Mixed use development at. Caudan District of Port-Louis

Transcription

1 Annex A Mixed use development at Caudan District of Port-Louis UNITED PROPERTIES LTD Architectural brief and drawings JULY 2017

2 PLANNING BRIEF QUAY HEIGHTS PROPOSED MIXED USE DEVELOPMENT IN CAUDAN, PORT LOUIS

3 A. INTRODUCTION The proposed project is a mixed use development, which is comprised of a commercial component, a residential component and a hotel component, to be developed as a Property Development Scheme (PDS) project. The proposed site of an area of 8387sqm is situated in Caudan, Port Louis as fully described in the title deed. The present site is currently a bare land. B. BUILDING PLANNING Lower Ground Floor Level The lower ground floor level has been provided for parking, service access and storage for the supermarket and is opened to the service area. Upper Ground Floor Level The upper ground floor level will accommodate the hotel double volume lift lobby/reception/waiting area, double volume supermarket and commercial shops/restaurants. First Floor Level The first floor level will accommodate the supermarket office, medical suits and public toilets. Second to Fourth Floor Levels - Parking Vehicular parking will be spread from 2nd to 4th floor levels as listed below. 2 nd floor: 114 parking slots 3 rd floor: 105 parking slots 4 th floor: 63 parking slots Total: 282 parking slots Fourth & Fifth Floor Level - Office The 4th floor will be divided between office and parking space. 5 th floor will be dedicated to office space only. Sixth to Tenth Floor Levels Typical Apartment Level 6th to 10th floor levels will house the residential component, and each floor will accommodate 12 residential units. The residential component will have 60 residential units. Eleventh to Twenty-Seventh Floor Levels Hotel Component Level 11 will house the hotel main restaurant/kitchen, bar/lounge, laundry area, common toilet and a small meeting room. Level 12 will house the hotel function areas, pre-function areas administrative/technical offices, a small conference room, common toilet.

4 Level 13 will house the hotel wellness center, spa and pool. Levels 14 to 26 will house the hotel rooms, and each level will accommodate 15 hotel rooms. The hotel component will have a total of 195 rooms. Level 27 is dedicated for an executive lounge. All three components, hotel, residential & commercial, will have separated dedicated access. C. PLANNING POLICIES The project has been planned and designed to comply with the following guidelines: 1. PPG1 Design Guidelines 2. PDS Property Development Scheme Guidance 3. BLUP Building and Land Use Permit Guidelines a. Site Total site area is 8387sqm. b. Plot Coverage Building plot coverage is 54% and is permitted as per PPG1 since plot is located in central business centre. c. Setbacks Building setback of 10m from road edge have been respected as per PPG 1. d. Heights The building height complies with the setbacks required for building above 25m as stipulated in PPG1. e. Parking Parking is provided for all components which are described in more details below. D. SCHEDULE OF AREAS Building schedule of gross areas are tabulated in the schematic section as shown below.

5 E. PARKING Supermarket 1300sqm 1 parking per 18sqm No of parking required: 72 Commercial shop 2150sqm 1 parking per 30sqm No of parking required: 57 Office 1950sqm 1 parking per 60sqm No of parking required: 26 Residential Component 60 Units 2 parking per residential unit 1 visitor parking for every 5 units No of parking required: 132

6 Hotel Component Hotel Dining 300sqm 1 parking per 30sqm No of parking required: 10 Hotel Conference/Function 413sqm 1 parking per 15sqm No of parking required: 27 Hotel rooms 195 rooms 1 parking per 3 rooms No of parking required: 65 Total no. of parking required: 389 Total no. of parking provided: 389 F. SOCIAL RESPONSIBILITY A Social Impact Assessment report will be prepared taking into consideration several social aspects of the region with a set of recommendations listing a number of actions to be taken towards addressing priority social needs in view of helping the community progress. The developer and the design team are fully dedicated to social responsibility concepts and remain adamant to the ideas that benefit society at large in the short, medium and long term.

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22 Annex B Mixed use development at Caudan District of Port-Louis UNITED PROPERTIES LTD Notary certificate JULY 2017

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25 Annex C Mixed use development at Caudan District of Port-Louis UNITED PROPERTIES LTD Engineering reports JULY 2017

26 Quay Heights Outline Concept Design Report MERITS CONSULTING ENGINEERS LTD IS A MEMBER OF THE ASSOCIATION OF CONSULTING ENGINEERS MAURITIUS, A FIDIC MEMBER ASSOCIATION Version: 0 Issued Date: Code: A278.29_1340

27 Merits Consulting Engineers Ltd DOCUMENT MANAGEMENT DOCUMENT INFO Enter the information relevant to this document below. Project Title: Quay Heights Report Title: Outline Concept Design Report Services: Mechanical & Electrical Services Issue Code : A278.29_1340 Current Version: 0 Issued on: DISTRIBUTION LIST Record the details of access given to this document. Name Organisation Position Type of Access Date Version Office Merits M&E Consultant Edit 24 May Nitin Pandea UDL Developer Read 24 May Ashween Ramhotar Ark Atelier Architect Read 24 May VERSION CONTROL Record all approved changes to this document. Status/Revision Change Description Approval Date Author Approved by 0 Initial Issue 24 May 2017 Avi Jayshen Quay Heights Version 0 Document Management Page 1 of 26 Outline Concept Design Report Published on ID: A278.29_1340

28 Merits Consulting Engineers Ltd TABLE OF CONTENTS Document Management... 1 Document Info... 1 Distribution List... 1 Version Control INTRODUCTION MECHANICAL SERVICES SCOPE OF WORKS STANDARDS AND REGULATIONS AIR CONDITIONING COOLING General Retails Outlets Supermarket Offices Hotel AIR CONDITIONING HEATING GENERAL VENTILATION SYSTEM General Toilet Exhaust Residential Kitchen Exhaust Plantroom Ventilation Car Park Ventilation Fire Mode Ventilation Systems BUILDING AUTOMATION SYSTEm DESIGN CRITERIA General Building Fabric Design Temperature Conditions Internal Heat Load Acoustic Other Criteria ELECTRICAL SERVICES DESIGN SCOPE OF WORK STANDARDS AND REGULATIONS ELECTRICAL LOAD DENSITY CRITERIA Quay Heights Version 0 Document Management Page 2 of 26 Outline Concept Design Report Published on ID: A278.29_1340

29 Merits Consulting Engineers Ltd 3.4 HIGH VOLTAGE NETWORK TRANSFORMERS LOW VOLTAGE DISTRIBUTION SYSTEM Supermarket Apartments Hotel Offices and Rest of Building STANDBY POWER GENERAL LIGHTING AND POWER General Lighting System Lighting Control LIGHTING PROTECTION AND GROUNDING SYSTEM TELEPHONE / DATA SYSTEM MASTER ANTENNA TELEVISION SYSTEM SECURITY SYSTEM General Security Command Centre CCTV System Security for Parking Lift Access cards Intercom System Door Monitoring Door Access Control and Security Hardware Aircraft Obstruction Lights FIRE and LIFE SAFETY SERVICES SCOPE OF WORKS STANDARDS AND REGULATIONS FIRE PROTECTION SYSTEM OBJECTIVES Fire Command Centre Fire Mode Ventilation System Fire Detection & Alarm systems COMMUNICATIONS Public address/ emergency warning and intercommunication system Firefighters Intercom System Emergency & Exit Lighting...21 Quay Heights Version 0 Document Management Page 3 of 26 Outline Concept Design Report Published on ID: A278.29_1340

30 Merits Consulting Engineers Ltd 4.5 FIRE WATER SUPPLY SYSTEM FIRE PUMP STATION AUTOMATIC SPRINKLER SYSTEM FIRE HOSE CABINETS AND STANDPIPE STATIONS PORTABLE FIRE EXTINGUISHERS CARBON DIOXIDE FLOODING SYSTEM LIFT FIRE MODE PROVISIONS PUBLIC HEALTH SERVICES SCOPE Of WORK STANDARDS AND REGULATIONS WATER SUPPLY SOURCE & DEMAND DESIGN CRITERIA Treatment DOMESTIC WATER STORAGE POTABLE WATER SYSTEM General Gravity Distribution System HOT WATER SYSTEM SOIL WASTE VENT SYSTEM Quay Heights Version 0 Document Management Page 4 of 26 Outline Concept Design Report Published on ID: A278.29_1340

31 Merits Consulting Engineers Ltd 1 INTRODUCTION This report communicates the proposed engineering design and resultant spatial system requirements for the Quay Heights Tower to be constructed at Caudan, by United Docks Ltd. It gives the outlines system description proposed for further development into a full Concept Design Report and also aid to capture Developer s Brief as the project unfolds during the initial design stage. The proposed development will have a total gross floor area of approximately 50,895 and will be one of the highest mixed used development in Mauritius comprising of a single tower above a Lower Ground car park. The development will consist of: Lower Ground Car Park and Supermarket store Ground floor retail Outlets and Supermarket Outlet First Floor Retail Outlets 2 nd 4 th Floors Car Parks 5 th Floor Gym and Office 6 th Floor Office 7 th 11 th Floors Apartments 12 th Floors Hotel Restaurant Area 13 th Floors Hotel Functions 14 th Floor Hotel Spa & Wellness 15 th 27 th Floors Hotel Rooms 28 th floor Hotel Lounge Building Services covered by this report are: Air Conditioning & Ventilation Electrical & ELV Fire and Life Safety Public Health Once approved, this report will form the basis for Concept Design, detail design and documentation for the construction of the building. Merits Consulting Engineers Ltd has compiled this document using NES under license which the copyright belongs to AMTECH Group. The contents incorporates that of the National Engineering specification (NES) and in-house Merits design data and specification adapted for this project. Copy of any part of this report without express permission is not permitted. Quay Heights Version 0 INTRODUCTION Page 5 of 26 Outline Concept Design Report Published on ID: A278.29_1340

32 Merits Consulting Engineers Ltd Population Design Criteria Area Permanent Floating Total LG - Parking GF - Retail FF - Retail nd Floor rd Floor th Floor th Floor th Floor th Floor th Floor th Floor th Floor th Floor th Floor th Floor th Floor th Floor th Floor th Floor th Floor th Floor th Floor th Floor st Floor nd Floor rd Floor th Floor th Floor th Floor th Floor th Floor Total Probable Population 1612 The probable population is used to estimate building services requirement in terms of sizing of electrical demand, water demand and similar parameters. Quay Heights Version 0 INTRODUCTION Page 6 of 26 Outline Concept Design Report Published on ID: A278.29_1340

33 Merits Consulting Engineers Ltd 2 MECHANICAL SERVICES 2.1 SCOPE OF WORKS The building will be designed on the basis of Shell & Core principle for the main tenancy areas. The Mechanical services will be appropriate to a high class residential building for the Apartments. Services will general comprise the following: U60 Air Conditioning to all occupied areas as listed below - Residence bedrooms and living rooms (bathrooms and kitchens will not be directly cooled) - Fire Command / Security / Communication Room - IT/Server Room for the building Management System U60 Tempered or spot cooling for - Lift motor rooms - Main garbage store room U10 Mechanical Ventilation Systems - Toilets - Residential Kitchens - Intermediate Garbage store room (if any) - Lower Ground Floor car parks where not naturally ventilated - Plantrooms U14 Smoke Control & Extraction Systems Fire Mode - Fireman lift lobby pressurization system - Stairwell pressurization system - Smoke exhaust for Lower Ground Floor car park W60 Building Automation System Quay Heights Version 0 MECHANICAL SERVICES Page 7 of 26 Outline Concept Design Report Published on ID: A278.29_1340

34 Merits Consulting Engineers Ltd 2.2 STANDARDS AND REGULATIONS The mechanical services will be designed, installed and tested in accordance with the following standards and Regulations. 1. American Society of Heating, Refrigeration and Air Conditioning Engineers ASHRAE 2. The chartered Institute of Building Services Engineers CIBSE 3. The Environmental Act 4. The Government Fire & Rescue Service Act 5. The Occupational Safety & Health Act 6. Requirement for Electrical Installation MS63 7. Fire Safety in the design, Management and use of buildings BS AIR CONDITIONING COOLING General Air Conditioning of all residential units will comprise of air cooled Multi DX type air conditioning system. This will be provided on the basis of one condenser unit per room. The same principle will be applied to areas such as security rooms and IT rooms. All air conditioning units will operate on refrigerant 407C or 410A Retails Outlets The Retails Outlets will not be provided with Air Conditioning as part of the Shell & Core deliverables. However spaces will be planned and implemented for the tenants to fit their own air conditioning system during their fir-outs stage. The spaces will be planned and allocated on the basis of air cooled variable refrigerant volume (VRV) air conditioning systems and one condenser system per retail outlet of area of more than 60 m². For retail outlets of less than 60 m², DX type air conditioning system will be used Supermarket The Supermarket will not be provided with air conditioning as part of the Shell & Core deliverables. However spaces will be planned and implemented for the Supermarket to fit his own air conditioning system during their fit-outs stage. The spaces will be planned and allocated on the basis of a roof-top air conditioning system with one roof top unit sitting on the roof of the Ground Floor which will be coordinated with the tenant in the early stages of design development. Quay Heights Version 0 MECHANICAL SERVICES Page 8 of 26 Outline Concept Design Report Published on ID: A278.29_1340

35 Merits Consulting Engineers Ltd Offices The offices will not be provided with air conditioning as part of the Shell & Core deliverables. However spaces will be planned and implemented for the offices to fit their own air conditioning system during their fit-outs stage. The spaces will be planned and allocated on the basis of air cooled variable refrigerant volume (VRV) air conditioning systems with their condensers sitting on the roof of the below floor adjacent to the offices Hotel The hotel and its associated spaces will not be provided with air conditioning as part of the Shell & core deliverables. However spaces will be planned and implemented for the Hotel to fit out their own air conditioning system during their fit-outs stage. The spaces will be planned and allocated on the basis of air cooled variable refrigerant volume (VRV) air conditioning system with their condensers sitting in position yet to be defined. Currently, on the 15 th to 19 th floor a VRV room per floor has been planned so that the condenser Unit can exhaust on the vertical. Roof space on 14 th floor has been allocated for condenser Units serving 12 th, 13 th and 14 th floors. Space on Roof of 28 th floor has been allocated of condenser units serving 28 th floor. 2.4 AIR CONDITIONING HEATING Heating will not be provided. 2.5 GENERAL VENTILATION SYSTEM General Fans will be selected to suit the required duty and ductwork configuration but will generally be either adjustable pitch vane axial, single width single inlet centrifugal or inline centrifugal / mixed flow Toilet Exhaust Toilets will be exhausted by central fan and duct system for individual toilet blocks. Exhaust fans will be located in the false ceiling with exhaust towards wall façade with weathered louvered grilles. Toilet exhaust rates will be 12 ACH per residence toilet / bathroom and 15 ACH for public areas toilets. These rates equal or exceeds ASHRAE recommendations. Make-up air to the toilets / bathrooms will be via door undercuts from fresh air introduced at the adjacent air conditioned spaces. Quay Heights Version 0 MECHANICAL SERVICES Page 9 of 26 Outline Concept Design Report Published on ID: A278.29_1340

36 Merits Consulting Engineers Ltd Residential Kitchen Exhaust Residential kitchen will be exhausted by individual fans and duct systems. Exhaust fans will be located in the kitchen themselves. Kitchen exhaust rates will be 125 l/s per residence kitchen. Make-up air will come via fresh air introduced at the adjacent air conditioned spaces. Kitchen exhaust hoods which are to be provided by the residents shall be recirculating type complete with grease / oil traps and filters Plantroom Ventilation Plantrooms will be provided with mechanical ventilation sized to maintain each room at no higher than 7 C above ambient temperature or for 15 ACH or to code requirement whichever is greater. The ventilation rate for the generator room will be based on generator performance Car Park Ventilation The Lower ground floor car park ventilation system will comprise of: Fresh air supply fans located in on corner of the car park Exhaust air fans located in the opposite corner of the car park Jet fans located throughout the car parks The jet fans will be used to minimize the extent of ductwork within the parking areas. All car park fan systems will be fitted with 2 speed motors. During normal mode operation the fresh air supply fan and exhaust fans will run to achieve 12 ACH. During fire mode operation, an additional set of exhaust fans run to achieve 20 ACH. The fresh air required to compensate the additional 8 ACH is considered to come from the adjacent areas and entry and exit alleys. All car park ventilation fans shall be heat resistant type for smoke ventilation during fire mode. During fire mode, the fire alarm system will switch the fan to high speed and start the additional set of exhaust fans to achieve the 20 ACH Fire Mode Ventilation Systems As there is an atrium linking the ground floor and first floor, a smoke extraction system is required to evacuate smoke that would accumulate on first floor in case of fire. The exhaust system will comprise of fans and duct works situated on first floor. During fir mode the fire alarm system will switch the fans and start the exhaust system. The fans will be selected to achieve 20 ACH. The will also be a fire escape pressurization system and lift bobby pressurization system to keep the escape route clear of smoke as people escape into the stairs and lift lobbies. Quay Heights Version 0 MECHANICAL SERVICES Page 10 of 26 Outline Concept Design Report Published on ID: A278.29_1340

37 Merits Consulting Engineers Ltd 2.6 BUILDING AUTOMATION SYSTEM The common areas mechanical plant and equipment will be controlled and monitored by a building automation System incorporating Direct Digital controls. A BAS is necessary for maintaining design conditions in a building of this size and of this quality level. Key characteristics of the BAS will include: Start/Stop, and status of all common area mechanical services motors. Status of all fans and pump to be determined from different pressure switches. Control of dampers, valves and other mechanical services devices Fault and alarm reporting Energy management functions Monitoring of tenancy, landscape and car park meters Interface with electrical services status and alarm of mains supply system and generators Interface with hydraulic services for status and alarm Interface with lift controllers for status and alarm Interface with Fire Indicator Panel for status and alarm Monitoring of residential water meters will not be provided as all cold water consumption will be charged on a rate / m² of apartment area or similar pro-rata basis. 2.7 DESIGN CRITERIA General Design criteria adopted for the mechanical services will be consistent with industry accepted standard for the development and will meet or exceed the requirement of the relevant Act and standards Building Fabric The mechanical services design will be based on the façade details provide by the Architect. We recommend that double glazing is used. Typically this will comprise of dual laminated glass panels with combined U-value of approximately 3.0 W/m²K and shading coefficient of approximately The final selection of glass is to be coordinated with the Architect prior to air conditioning system load calculation being finalized. Quay Heights Version 0 MECHANICAL SERVICES Page 11 of 26 Outline Concept Design Report Published on ID: A278.29_1340

38 Merits Consulting Engineers Ltd Design Temperature Conditions The air conditioning system design will be based on the following external conditions: External Summer 34.0 C dry bulb Ambient temperature for air cooled condensing unit selection = 40 C. This allows for some hot air recirculation within the CDU enclosure and for any stack effect. Internal conditions for residential air conditioned spaces will generally be designed to 23± 1, 60±%% RH. Areas nominated as being tempered or spot cooled will be designed to 27 C. Control tolerance: ± 1.0 C dry bulb; humidity controls are not provided other than by virtue of cooling coil operation Internal Heat Load The mechanical services design will be based on the following internal heat loads. Occupancy and fresh air rates are based on ASHRAE; lighting and equipment loads are based on our advice and experience for this development. Location Occupancy Fresh Air (ASHRAE Standard 62.1) (L/s/person) (L/s/m²) Lighting Load (W/m²) Equipment Load (W/m²) Residence Bedroom Residence Living Room bedroom Acoustic Acoustic design criteria for air borne noise transmitted via ductwork will be in accordance with the following: General Residential Retail Outlet Lobbies and Corridors Office Areas Toilet and Laundries NC40 (varying with FCU fan speed and capacity) NC50 NC50 NC45 NC Other Criteria Pressurised Staircase Lift Shaft Lift Lobby Pressurisation 50 Pa 50 Pa 25 to 30 Pa Quay Heights Version 0 MECHANICAL SERVICES Page 12 of 26 Outline Concept Design Report Published on ID: A278.29_1340

39 Merits Consulting Engineers Ltd 3 ELECTRICAL SERVICES DESIGN 3.1 SCOPE OF WORK The electrical services will be appropriate to a high class mixed used building. The systems to be included in the electrical system design are: V10 Electricity Generation Plant V11 HV Supply/Distribution/Public utility Supply V20 LV Distribution V21 General Lighting V22 General LV Power V32 Uninterruptable Power Supply V40 Emergency Lighting V41 Street/Area/Flood Lighting W12 Building Address /Sound Amplification W20 CCTV W40 Access Control W51 Earthing, bonding, EMC measures and surge protection W52 Lightning Protection W70 Structured Cabling System 3.2 STANDARDS AND REGULATIONS The electrical services will be designed, installed and tested in accordance with the following Standards and Regulations. 1. Requirement for Electrical Installations MS63 2. The Chartered Institute of Building Services Engineers CIBSE 3. International Electro Technical Commission IEC 4. Relevant British Standards 5. Illuminating Engineering Society IES 6. Occupational Safety & Health Act 7. Energy Efficiency Act Quay Heights Version 0 ELECTRICAL SERVICES DESIGN Page 13 of 26 Outline Concept Design Report Published on ID: A278.29_1340

40 Merits Consulting Engineers Ltd 3.3 ELECTRICAL LOAD DENSITY CRITERIA Location Lighting (W/m²) Power & Air Conditioning Diversity Miscellaneous (W/²) (W/m²) Parking 5 Incl. Incl. 0.8 Services 15 Incl. Incl. 0.8 Lift Lobby 15 Incl. Incl. 0.8 Residential Retails Supermarket Hotel Offices The electrical services design for specific systems within the overall site will be based on the following electrical loads System Load (W) Diversity Parking 100,000 0,8 Retails 930, Supermarket 400, Offices 275, Apartments 600, Hotel 950, Common Areas 100, Mechanical Equipment 300, Based on the above figures, the estimated total electrical load will be 3 MVA. This figure will be reviewed as the design develops and system loads are finalised. 3.4 HIGH VOLTAGE NETWORK The main electricity supply to the site will be from CEB (Central Electricity Board) 22 KV underground grid. An underground feeder will be taken from their 22 kv ring main network through to a high voltage switch room and transformer sub-station located on Ground Floor on the canal side of the site. The 22 kv high voltage supply will then be reticulated to adjacent transformers and reduced to 400 V for further distribution throughout the building. The high voltage switchboards will incorporate SF6 or vacuum circuit breakers for the incoming and similarly for the outgoing circuit breakers to protect the transformers. 3.5 TRANSFORMERS There will be different transformers due to the nature and consumer mix. The following have been planned: Transformer Name Installation by Metering By Loads Transformer A 500 KVA CEB CEB - LV Supermarket Transformer B 500 KVA CEB CEB - LV Apartments Transformer C 1000 KVA Client CEB - HV Hotel Transformer D 1000 KVA Client CEB- HV Common Areas and Rest of building Quay Heights Version 0 ELECTRICAL SERVICES DESIGN Page 14 of 26 Outline Concept Design Report Published on ID: A278.29_1340

41 Merits Consulting Engineers Ltd 3.6 LOW VOLTAGE DISTRIBUTION SYSTEM Supermarket The supermarket will have its own dedicated Transformer with its own dedicated billing tariff from CEB. There will be two supplies from the transformer, one for the supermarket and one for its bakery so that they can benefit from the subsidised bakery tariff in force currently. The two supplies will terminate into the rented spaces of the supermarket and bakery with isolators on the basis of Shell & Core Principle. The Tenant will then carry out their own internal electrical distribution Apartments As the Apartments will be on a residential tariff, they will have a dedicated transformer that will feed the individual apartments via individual CEB Meters. Billing will be done by CEB. The electrical reticulation will be installed Hotel The Hotel will have its dedicated transformer with its own dedicated billing tariff from CEB there will be one Feeder from the transformer going up the riser and terminate into a Main Isolator situated within the Hotel Electrical Plantroom on 14 th Floor or roof of 13 th Floor. The tenant will then carry out their own internal electrical distribution Offices and Rest of Building Offices, retails outlets, parking, mechanical equipment such as lifts, pumps and common areas will share one transformer. There will be a main Distribution Switchboard that will beefed from the transformer. Outgoing submain will then feed individual offices, retails outlets and other loads. The rentable areas will be metered with billing carried out by Landlord. 3.7 STANDBY POWER In the event of mains failure, the following standby rated diesel engine driven generators is planned. Generator Name Installation by Space allocated by Loads Generator A 500 KVA Supermarket Landlord Supermarket Generator B 500 KVA Landlord Landlord Apartments Generator C 1000 KVA Landlord Landlord Hotel Generator D 1000 KVA Landlord Landlord Common Areas and Rest of building The Generator sets that will be installed by Landlord will be of automatic type and with diesel tanks enough for 24 hours autonomy. They will be sized for 100 % back up. The fuel level in the day tanks will be monitored by the BMS. An alarm signal will be raised at the main control room when diesel fuel supplies require replenishing. Alarm level will be adjustable at each tank to allow fine tuning based on fuel agent response times. Quay Heights Version 0 ELECTRICAL SERVICES DESIGN Page 15 of 26 Outline Concept Design Report Published on ID: A278.29_1340

42 Merits Consulting Engineers Ltd 3.8 GENERAL LIGHTING AND POWER General Power for lighting and equipment will be provided to suit architectural and interior design philosophy for all common areas and parking Lighting System Lighting fittings for all residential areas, public areas, parking, landscape and building façade will be selected by specialist lighting consultant / interior designer. At this stage of the project the specialist lighting consultant is yet to be appointed. We envisage that significant opportunities exist for the lighting designer to use low power consumption light fittings such as fluorescent and LED and this will contribute to achieving low lighting densities. In other back of house areas, recessed or surface mounted fittings will be provided to suit local working conditions and will be based on: Areas Min Lighting Level (Lux) Proposed Lighting Types Management office, Control 400 Recessed mounted T5 Rooms fluorescent with aluminium louvres Lift Lobbies 150 Recessed mounted sealed Led downlights Plantrooms, services areas, Toilets Loading dock, corridor, store, car parks 200 Surface mounted T5 fluorescent fitting with wire guard or waterproof diffusers 100 Surface mounted diffused T5 fluorescent or LED lights to define drive ways, car park, stairs and ramps The light level will be designed to comply with Illuminating engineering Society (IES) Standard Lighting Control A centralised lighting control system will be provided for all car park and public area lighting. This will either be an extension to the BAS or a separate control system. This system will enable automatic time clock control or manual override of each group of lights. External lighting will be controlled via photocells and the lighting control system. 3.9 LIGHTING PROTECTION AND GROUNDING SYSTEM Lighting protection will be provided to the building structure using the conventional faraday cage system. A complete lightning protection system complying with IEC Standard will comprise of horizontal copper tapes around the roof parapet, 600 mm high air terminal and copper down conductors connected to earth electrodes at ground level. Test points will be provided at ground level for the earth electrodes. Separate grounding systems will also be provided for the power and communication systems. The earth electrodes of the low voltage system, high voltage system, lightning protection system and communication system will be bonded together for potential equalisation. Quay Heights Version 0 ELECTRICAL SERVICES DESIGN Page 16 of 26 Outline Concept Design Report Published on ID: A278.29_1340

43 Merits Consulting Engineers Ltd 3.10 TELEPHONE / DATA SYSTEM The telephone system Main Distribution Frame (MDF) will be located at ground Floor to receive the incoming telephone service cable from Mauritius Telecom, the Telecom provider. Telephone signal will then be distributed to intermediate distribution frame (IDF) located on each floor level. From there signals will be distributed to a 10 pair telephone cabinet in each retail outlet to allow them to do their own cabling works and patching. Optical fibre will be catered for in terms of cable ways and space for splitters. It is envisaged at this stage for Mauritius Telecom to carry out internal optical fibre networks upon demand from tenants such as supermarket, hotel and offices MASTER ANTENNA TELEVISION SYSTEM Provision will be made within the main ELV risers for two MATV back-bone cabling systems to be supported by local service providers such as Parabole Maurice and DSTV Each residential apartment unit will be fitted with MATV signal cabling connected back to the ELV riser for connection to one of the two service providers. MATV outlets will be provide in all bedrooms and living areas SECURITY SYSTEM General The security system will comprise of security command centre, closed circuit TV (CCTV), lift access cards, duress/panic alarm system, video intercom, door monitoring alarms and door access control and security hardware Security Command Centre A central monitoring and response point will be provided for the security system of the buiding. The room will include head-end equipment (CPU, printers, multiplexers, DVRs) and operator workstation with both display monitors (showing multiple cameras) and spot monitor (for enlarged view of single camera). The multiplexer will allow simultaneous recording and playback. Storage capacity will be based on 24/7 recording from all cameras at average of 5 frames per second for one month; individual cameras can be set for resolutions of up to 30 frames per second CCTV System Pan/Tilt/Zoom and fixed digital colour cameras will be located in main lobby, reception, lift lobbies, lifts, car park entrances and exits, building entrances and exits, main MEP plantroom doors. All cameras will be connected via UTP cable run through the false ceiling spaces to the building s centralised monitoring security rom with sequential switches to provide continual monitoring of the critical areas. Wed based digital video recorder storage system will be included for recording of the cameras and for quick retrieval Security for Parking There will be visitor parking area and owner s parking area. Owners parking area will have gate barrier with card access. This card will be the same card for lift access. Quay Heights Version 0 ELECTRICAL SERVICES DESIGN Page 17 of 26 Outline Concept Design Report Published on ID: A278.29_1340

44 Merits Consulting Engineers Ltd Lift Access cards Each resident will be provided with an access card that only allows lift access to their residence floor and to common area. The attendant at the ground floor reception area will announce arriving guest to apartments via video intercom system. The guard will use an access card to allow the guest to reach the required floor via lifts Intercom System An intercom system will be provided at the reception security room, and apartment units. The intercom will provide communication between apartment and security room for emergency purpose and for general communication between each apartment Door Monitoring All the main external doors at entry/exit positions, fire stair and door leading to the ground level exits will be fitted with magnetic reed switches to monitor the status of the doors and to detect any unauthorised entry Door Access Control and Security Hardware Power supply and monitoring interfaces for door security will be provided in accordance with a door schedule produced by the Architect. We understand that the Architect will establish security requirements with the client and specify al required door security hardware. Access control measures are yet to be determined but we envisage that they could include proximity cards, keypads (standard or scramble type) or biometric interfaces Aircraft Obstruction Lights We recommend that dual flashing red obstruction lamps be provided in accordance with the recommendation of Department of Civil Aviation. These lamps will be provided with emergency back-up and automatic photo-cell actuators with override switch. Quay Heights Version 0 ELECTRICAL SERVICES DESIGN Page 18 of 26 Outline Concept Design Report Published on ID: A278.29_1340

45 Merits Consulting Engineers Ltd 4 FIRE AND LIFE SAFETY SERVICES 4.1 SCOPE OF WORKS The fire and life safety building services will generally comprise the following: U14 Fire Mode Ventilation Systems - Zone smoke control / sandwich pressurization - Fireman lift lobby pressurization system - Stairwell pressurization system W50 Fire Detection and Alarm Systems W10 Communications - Emergency warning and Intercommunication System - Fire fighter s intercom System V40 Emergency & Exit Lighting Fire water supply system S63 Automatic sprinkler system S65 Fire standpipe (hydrants) and hose reel stations S72 Portable fire extinguishers S70 Gas suppression system Lift fire mode provisions 4.2 STANDARDS AND REGULATIONS The fire & life safety protection services will be designed, installed and tested in accordance with the following Standards and Regulations. 1. Fire and Rescue Act 2. Government Fire Services Guidelines 3. Relevant BS standard 4.3 FIRE PROTECTION SYSTEM OBJECTIVES The fire protection systems are provided: To minimize the risk to occupants from both smoke and fire To assist occupants to egress the danger area To minimize the extent of damage to the structure, fabric and contents The fire protection design will englobe a range of detection, monitoring and fire fighting system as described in the following sections. Quay Heights Version 0 FIRE and LIFE SAFETY SERVICES Page 19 of 26 Outline Concept Design Report Published on ID: A278.29_1340

46 Merits Consulting Engineers Ltd Fire Command Centre A fire command centre will be located on ground floor level of the building to accommodate a central monitoring and response point. The command centre requires direct access to outside the building. This command centre will incorporate: The main fire detection and alarm panel Input to the public address system The fire fighter s intercom system Fire fan control panel Lift system monitoring panel Building Management System workstation Fire Mode Ventilation System Refer to Mechanical engineering services for a description of the Fire mode ventilation systems Fire Detection & Alarm systems The proposed fire alarm system will enable either manual fire alarms or automatic fire detection of a fire and will feature an intelligent detection and control panel. This will operate in conjunction with an emergency warning and inter-communication system, and will enable fire-fighting by a combination of both manual and automatic means. Fire alarm graphic annunciation panel will be provided in the ground floor security room / fire command centre. For large areas of tenancy such as Supermarket, hotel, offices, it is envisaged that a communication link will be provided from the main fire alarm panel to enable their respective tenants to install their own fire alarm system. The fire detection control panel will respond to one or more positive signal(s) from either the automatic detection or the manual call points as follows: By alerting the security staff By instigating the fire alarm system within the appropriate zones By instigating the broadcast of an appropriate message via public address system By instigating the associated pressurization system and smoke exhaust system(s) It will also monitor and /or control the following: Fire fighting pumps Lifts Alarm valves Sprinkler system flow switches Fire water reserve level in each tank Quay Heights Version 0 FIRE and LIFE SAFETY SERVICES Page 20 of 26 Outline Concept Design Report Published on ID: A278.29_1340

47 Merits Consulting Engineers Ltd Fresh air system shut down The fire detection and control panel will have battery back-up in case of mains power failure. 4.4 COMMUNICATIONS Public address/ emergency warning and intercommunication system The public address system which will be provided throughout the building, will be used to convey appropriate emergency warnings to occupants. Two emergency messages will be provided with digital memory cards for emergency evacuation system. The system will be capable of manual operation or automatic operation initiation by fire detection and alarm system. This will be zoned so that the suitable public address or emergency evacuation announcements will be broadcast in the appropriate areas. All occupied areas, including lifts will be provided with speakers(s). zoning will be: Each apartment floor Passenger lift sand lift lobbies Each hotel room floors Each office floor Fireman lift and lift lobbies Fire escape stairs and plant areas Car park Ground floor and first floor Wiring will be fire resistant to prevent a fire in one area from hampering an evacuation in another area Firefighters Intercom System A two-way intercom system will be provided at each fire standpipe location within fire escape stairs; each fireman lift lobby and each passenger lift lobby to enable direct communication to the Fire Command Centre. This will enable the fire fighters: To report directly to the Fire Command Centre To receive instructions directly form the Fire command Centre Emergency & Exit Lighting Emergency lighting complying with local and international building codes will be provided and comprise of: Single point, self-contained fittings in car parks, plantroom, stairs and other back of house areas and common areas. Illuminated LED type exit signs will be provided throughout corridors and public areas to facilitate occupant egress in the event of the total power failure. Exit lamps will be maintained type and the battery will be sized for minimum 2 hours illumination Quay Heights Version 0 FIRE and LIFE SAFETY SERVICES Page 21 of 26 Outline Concept Design Report Published on ID: A278.29_1340

48 Merits Consulting Engineers Ltd 4.5 FIRE WATER SUPPLY SYSTEM The main fire water storage tanks will be located at ground level with a preliminary estimated capacity of 160 m³. These will be connected to a common pump header. These water tanks and associated fire pumps stations will service the fire protection system from lower ground floor to 28 th floor. We are currently exploring possibilities to split the system into two zones Valve ratings will be reviewed during the detailed design stage with due consideration of pump shut-off head and design safety factor. 4.6 FIRE PUMP STATION Fire pump stations will be provided at Ground Floor. They will be positioned to ensure a flooded suction from the adjacent fire water tanks to ensure proper operation of the pump and to obviate the need for a pump priming system. All fire pumps will be UL listed and FM approved. A fire pump station will comprise of 3 sets of fire pumps. 2 fire pumps are electric driven and the third set is diesel driven. Each fire pump capacity will be determined during hydraulic calculation stage. The first electric pump is provided for fire hose system and the second electric pump provided for sprinkler system. The diesel fire pump is provided for standby. An automatically controlled electrical jockey pump will also be provided for the fire pump station to maintain the pressure in the fire protection piping system The fire pump will start automatically upon a decrease in system pressure from the set point which will occur if a fire hose station, sprinkler or hydrant is utilized. 4.7 AUTOMATIC SPRINKLER SYSTEM An automatic sprinkler system will be provided and shall be designed to current BS standard. Quick response sprinkler heads will be used in light hazard (residential areas). These will activate faster than standard response heads so that a fire can be more quickly controlled in the early growth phase. Sprinkler protection coverage will include: All common areas spaces and retail outlets Feeder pipes will be given to supermarket, hotel and offices and they would install their own sprinkler heads and internal pipe works to our approval. Concealed spaces containing combustible building services Restaurant kitchen exhausts ducts (if any) Sprinkler will not be provided in Bathrooms smaller than 55 ft² MDB rooms Generator Rooms Transformer Rooms Diesel storage room Electrical /communication rooms and risers Various sprinkler heads types will be used as follows: Side wall type heads mounted in bulkheads will be used to protect residential areas without false ceiling Pendant type heads will be used in areas with false ceilings Upright heads will be used in areas where false ceiling depth is greater than 800 mm One wet riser will be provided for each escape stair External fire department inlet connections will be provided at the entrance to the building. Quay Heights Version 0 FIRE and LIFE SAFETY SERVICES Page 22 of 26 Outline Concept Design Report Published on ID: A278.29_1340

49 Merits Consulting Engineers Ltd External fire hydrants will be provided around the site. These can be used by fire trucks with on-board pumps to fight building fires from outside. 4.8 FIRE HOSE CABINETS AND STANDPIPE STATIONS Fire hose valve and hose reel stations will be located according to code requirements, generally adjacent to each emergency exit door, in each fireman lift lobby and to provide fire hose coverage across the occupied areas. Fire standpipe and hose stations will consist of an automatic fire hose reel 30 m long rubber hose, complete with nozzle for occupants or untrained personnel use and a 63 mm hose valve for trained personnel use. At each fire hose station there will also be a fire extinguisher and a fire fighter s intercom point. 4.9 PORTABLE FIRE EXTINGUISHERS Dry chemical carbon dioxide extinguishers will be provided in appropriate areas throughout the building. The dry chemical fire extinguishers will be provided in all general areas. Carbon dioxide extinguishers will be provided in plant rooms and electrical rooms. The installation and rating of portable fire extinguishers will be in accordance with relevant BS standard CARBON DIOXIDE FLOODING SYSTEM Self-contained carbon dioxide gas flooding systems will be provide for: Each transformer / MDB / HV switchgear room Each system will be activated by dedicated smoke / heat detectors and include Local control panel outside each room with alarm status indication, countdown timer for release of gas, manual override to abort release and immediate manual release of gas Interlock with room ventilation systems to ensure they are shutdown prior to release of gas Interface to fire alarm system to raise an alarm when activated 4.11 LIFT FIRE MODE PROVISIONS Each lift controller will have an input from the building fire alarm system. The controller will use this signal to drive each lift to a pre-designated floor in fire mode. Fire lift power supplies cables will be fire rated type Service / fireman lift will be designated for fire brigade use and will be provided with a fire rated fireman s lift lobby. Each fire lift and lift lobby will be pressurized to reduce the possibility of smoke entering. Quay Heights Version 0 FIRE and LIFE SAFETY SERVICES Page 23 of 26 Outline Concept Design Report Published on ID: A278.29_1340

50 Merits Consulting Engineers Ltd 5 PUBLIC HEALTH SERVICES 5.1 SCOPE OF WORK Public Health Services will comprise of the following: Raw water storage Domestic water treatment, storage and supply Hot water system Soil, waste and vent systems Waste water disposal 5.2 STANDARDS AND REGULATIONS The public health services will be designed, installed and testing in accordance with the following standards and regulations: 1. The Chartered Institute of Building Services Engineers CIBSE 2. Central Water Authority Act 3. Waste Water Management Authority Act 5.3 WATER SUPPLY SOURCE & DEMAND DESIGN CRITERIA Water supply for the building will come from CWA network and will be delivered to the raw water storage tanks to be situated at Ground Floor via the fire water storage tanks. The water will then be distributed throughout the building. Design criteria for water demand calculation is: Apartment of 1 bedroom Apartment of 2 Bedroom Apartment of 3 bedroom or more Hotel Offices Retails Restaurants Supermarket 0.5 m³ per day 1 m³ per day 1.5 m³ per day 1.3 m³ per room 40 L/person/day 40 L/person/day 70L/seat/day 9000 L Based on these design criteria, the daily water consumption is estimated to be 338 m³ daily. CWA recommends a storage capacity of two days. Therefore two tanks of 338 m³ is required. A water balance diagram will be developed at concept stage once all major spatial requirement is shown on drawings Treatment The water treatment system shall be defined once the raw water quality has been tested and submitted. At this stage, space for a water treatment will be planned. Quay Heights Version 0 PUBLIC HEALTH SERVICES Page 24 of 26 Outline Concept Design Report Published on ID: A278.29_1340

51 Merits Consulting Engineers Ltd 5.4 DOMESTIC WATER STORAGE As a safeguard against disruption of supply and the resultant consequences, it is proposed to accommodate sufficient storage capacity to allow for interruption. The Main water tank will have two compartments (2x 50%) each. This will allow one compartment to be cleaned while the other is still in use. Currently, possibilities are being explored to provide break tanks at different levels and on the roof for a more efficient water distribution using gravity. 5.5 POTABLE WATER SYSTEM General Water meters will be provided to allow metering for each retail tenancy, landscape and hotel. Meters will be electronic and will be connected to the BMS for remote metering. Water hammer arrestors will be provided immediately after transfer pumps and in the pipeline system. The cold water system pressured will be maintained at a minimum 1.5 bar, In instances where flush valves are used pressured will be maintained at a minimum 1.8 bar. Water outlets will be provided to each retail outlets, supermarket and supply point to the Hotel. Cold water pipes will be flanged galvanized iron for main risers with galvanized branch pipes to feed tenants areas. The pipes will end with isolating valves in the main tenancy areas to enable tenants to fit out according their requirement as far as practically possible Gravity Distribution System For the tower water will be distributed via a gravity feed system because this is simple and reliable solution. However, this require an elevated tank on the roof. Duty and standby transfer pumps will lift the potable water from the Ground Floor tanks to the tank on the roof. A simple piping distribution system and a proprietary booster pump set will serve the top floor. A gravity fed distribution system from the elevated tank will serve the remainder of the building. At the lower floors far from the elevated tank, pressure reducing valves will be provided to ensure the head of water will not cause excessively high pressure at the plumbing fixtures outlets. 5.6 HOT WATER SYSTEM Hot water system for the apartment will be based on 100 L electric hot storage heater per apartment. Hot water will not be provided anywhere else. It is envisaged that the supermarket will install their own hot water production and distribution. It is envisaged that the Hotel will install their own hot water production and distribution. Space on the roof of the building is planned for the hotel to install heat pumps and storage tanks for hot water production. Quay Heights Version 0 PUBLIC HEALTH SERVICES Page 25 of 26 Outline Concept Design Report Published on ID: A278.29_1340

52 Merits Consulting Engineers Ltd 5.7 SOIL WASTE VENT SYSTEM The waste water system will incorporate the following: Soil (sewage) water from water closet or urinals Waste water from showers and basin Kitchen waste water from kitchen sinks in residences and restaurants Vents to soil / waste and kitchen waste systems Floor drains in wet areas Grease traps The system will be arranged to minimize the risk of accidental blockage, but will also incorporate accessible rodding points Soil, waste, vent and kitchen pipe stack will be in upvc with acoustic insulation. This will be further considered as the design develops. The disposal network will be connected to a lifting station which in turn will pumped the waste & sewage water into the WWA disposal network. Quay Heights Version 0 PUBLIC HEALTH SERVICES Page 26 of 26 Outline Concept Design Report Published on ID: A278.29_1340

53 GEOTECHNICAL INVESTIGATION AT WAREHOUSE ALBION DOCKS REPORT Original September 2015

54 CONTENTS 1.0 INTRODUCTION The Site Geology General Geology Site Geology Scope of works SITE INVESTIGATION The Ground Model Groundwater conditions IN SITU TESTINGS LABORATORY TESTINGS CONCLUSIONS REFERENCES 22 ANNEX 1 : Location plan ANNEX 2 : Positions of trial pits and boreholes ANNEX 3 : Logs and photographs of trial pits ANNEX 4 : Results of In-Situ tests ANNEX 5 : Laboratory Tests Schedule and results. 1 1 Industrial Zone, La Tour Koenig, Mauritius T: F:

55 1.0 INTRODUCTION The present geotechnical investigation has been carried out with an aim to provide appropriate geological, geotechnical and other technical information to enable the construction of a warehouse at Albion Docks (hereby referred as Trou Fanfaron site) and a high-rise building at Caudan (hereby referred as Caudan Site) within its existing premises, currently under the jurisdiction of the United Docks Limited (UDL the Client). It is meant to give appropriate information for use by the Design Engineer. The attached layout plans give an idea of the orientation of the investigation. The aim of the geological and geotechnical investigations is to assess the site conditions within the port area with the following main objectives: Assess the nature and thickness of underlying strata at specific locations within the area under investigation. Determine the characteristics of the underlying strata as appropriate. Provide technical information, from an engineering point of view, on the ground profile, physical and mechanical (engineering) properties of subsoil and rock strata for the determination of design parameters. Assess the quality of excavated materials for the eventual possibility of their use as founding material for pavements. As such, the purpose of the factual report is to provide a summary of the findings of the in situ investigations carried out on the above site and laboratory tests performed on excavated bulk disturbed samples/drilled cores from relevant trial pits. Industrial Zone, La Tour Koenig, Mauritius T: F:

56 1.1 THE SITE The site is located at Mer Rouge in the district of Port Louis on the north western coastal zone of the island and is presently under the care of the United Docks Limited. The area is currently unexploited. The general location of the site is shown in annex I. The investigation area may be considered in two distinct locations: 1. Trou Fanfaron 2. Caudan The sites may be accessed from the M1 (North) motorway at the Quay D and Caudan round about. 1.2 GEOLOGY General geology The island of Mauritius is of volcanic origin and formed by several series of volcanic activities. It consists of undulating central uplands (rising to a maximum elevation of about 600m in the south and with a mean elevation of the order of 400m) surrounded by mountain ranges and plains, forming a bowl with chipped rims, filled with layers of young formations, the excess of which has flowed away. Outside are the plains, which were deposited as lava flows. These flows are the products of small volcanoes situated on the wide low median ridge running across the island from southwest to north east. The much eroded relicts of the rim of the bowl protrude above these younger volcanics as a discontinuous ring of mountain ranges with rugged peaks. The mountain ranges surrounding the central plateau have an asymmetrical profile. Four volcanic series are considered in the formation of the island: 1. Emergence 2. Older volcanic series 3. Intermediate or Early volcanic series 4. Younger volcanic series or late volcanic series. Intermediate and more recent series of volcanic eruptions from several small emissions of volcanic rock distributed over the whole island cover the ancient central volcanic plateau and the deeply eroded valleys heading towards the sea. Most of the island is now covered with intermediate and late lava flows which have in general a Industrial Zone, La Tour Koenig, Mauritius T: F:

57 gradual dipping towards the sea from the interior. Isolated remnants of the ancient series occur in the highest peak of the island. The lava flows consist of a sequence of massive basalt strata and volcanic breccias. Volcanic tuff layers occur in between the lava flows Site geology From the geological map of Mauritius, most of the site appears to be underlain by pyroclasts and weathered basaltic deposits from the old Volcanic Series. Later the site was reclaimed to extend its territory. Reclamation was done from dredged material consisting of sand, shells and coral fragments up to boulder size and borrowed/imported fill material from inland which comprises mainly of basalt derivatives ranging from plastic silty clay to basalt boulders. The fill is underlain by loose and soft lagoonal deposits of coral sand, dark organic silts and coral fragments up to gravel and cobble size. This soft stratum is underlain by a stratum of weak coral which varies from cemented sand, shells and coral fragments having the texture of porous sandstone to compact limestone. The coral layer is in turn underlain by the above mentioned weathered basaltic bedrock of the older volcanic series which is found at a depth of about 12 to 15 m. The older volcanic series are essentially made up of basic rocks, most of which are extrusive. These basic extrusives are mainly represented by flows of olivine basalt which are in general fine grained dark rocks, but in some places also show coarse grained facies with quite large phenocrysts of olivine and of pyroxenes of relatively high density. The basaltic flows are generally unvesiculated and massive. However, the rare vesicles are very often infilled with deposits of secondary zeolites, calcites and aragonite. Iron pyrite crystals up to 2 mm and larger are common in some places. The flows in some places alternate with beds of agglomerate and subordinate tuffs and the thicknesses of these layers may vary up to more than 30 m. In general these layers are homogeneous and some weathered zone up to 0.6 m thick are frequently found overlying the agglomerate. Generally, these rocks, when weathered, are grayish in colour, contrasting with the reddish appearance of the agglomerate or the darkish colour of the basalts when fresh. The agglomerates are made up pebbles of olivine basalt, in general subangular Industrial Zone, La Tour Koenig, Mauritius T: F:

58 to round and set in a matrix of scoria and volcanic ash. The tuffs are very similar to the agglomerate matrix and often difficult to distinguish. The basic intrusives are made up of dykes very similar in composition to the layers of the basic extrusives which they cross. They are mostly olivine basalts of fine grained type, compact and dark in colour. The thickness of the dykes varies between several centimetres to several metres. The trachyte intrusives are in general outcropping plugs and are grayish in colour. They weather to a cream greenish colour and the soils are rather clayey. A total of seven trial pits and six boreholes were realized, of which four trial pits and four boreholes at Trou Fanfaron (namely TP4 -TP7 and BH1-BH4) and three trials pits and two boreholes at Caudan site (namely TP1-TP3 and BH1-BH2) to reveal the nature of the site geology. From the trial pit logs in Annex 3, it can be seen that the subsoil consists essentially of alternate layers of various borrowed materials and native basalt at different stage of weathering. 1.3 SCOPE OF WORKS An intrusive ground investigation was scoped by the United Docks Limited (the client) and was undertaken by Sotravic Ltée within the delineated area. The content of works was defined by the client and which was readjusted accordingly during the course of the investigation, to suit both sites. The fieldwork was carried out in May- June 2015 and consisted of the following: Digging of seven (7) nos trial pits of variable depths, ranging from 2.40 m to 2.70 m. Drilling of six (6) boreholes with depths varying in the range of 12 to 48 m. Conducting of Standard Penetration Tests in boreholes where applicable. Location of Ground Water Levels in trial pits, if any. Bulk and undisturbed soil/core sampling. Laboratory testing of soil and core samples as per schedule provided by Client. Submission of factual report consisting of trial pit and borehole logs, photographs, maps, field/laboratory investigation results and brief descriptions of laboratory methods used. Industrial Zone, La Tour Koenig, Mauritius T: F:

59 The associated laboratory testing was scheduled by the Client and was carried out by the Materials and Geotechnical Laboratories of the Universite des Mascareignes and GETS Geotechnical Services Ltd. The updated laboratory testing schedule and description of tests required is hereby annexed. 2.0 SITE INVESTIGATION The site investigation consisted of 7 machine dug trial pits and 6 boreholes, located on both Trou Fanfaron and Caudan sites, as shown in Table 1. The exact locations of trial pits and boreholes were indicated and scheduled by the Client and are presented in annex 2 (Positions of trial pits and boreholes). The depth of each trial pit varied with the strata encountered, based on actual observations or down to ground water level. The tests and terminologies used are according to the British Standards BS 1377 (1990) Soils for Civil Engineering purposes and BS 5930 (1999) Code of Practice for Site Investigations. Trial Pit/ Location TP/BH Depth Ground Bulk sample Borehole (m) Water Level (depth, m) (m) TP TP TP TP BH1 Trou Fanfaron BH BH BH TP TP TP3 Caudan BH BH Table 1. Trial pits and boreholes details Industrial Zone, La Tour Koenig, Mauritius T: F:

60 The logging of soil/rock strata was carried out as per BS 5930 (1999) Code of Practice for Site Investigations as follows. Degree of weathering. The following descriptive terms have been used describe the degree of weathering of the rock mass encountered in the trial pits. Descriptive term Fracture condition Surface characteristics Original texture/grain condition Fresh Basalt Closed Unchanged Preserved/tight Slightly Discoloured and weathered Basalt may contain thin filling Moderately Discoloured and weathered Basalt may contain thin filling Highly Discoloured and weathered Basalt may contain thin to medium thick filling Completely weathered Basalt --- Partial discoloration/not friable Partial to complete discoloration/not friable except poorly cemented samples Friable Resembles soil Preserved/tight Preserved/partial opening Mainly preserved/partial opening Partly preserved/complete separation Table 2: Rock mass weathering The rocks encountered during the present investigation belong essentially to the above categories according to their degree of weathering. Industrial Zone, La Tour Koenig, Mauritius T: F:

61 Strength of rock material. A scale of strength of rock material, based on the indicative uniaxial compressive strength, as per BS 5930, is used to classify the rock mass according to its strength and is shown in Table 3. Term Field description Indicative Unconfined compressive strength (MPa) Very weak Gravel size lumps can be crushed between finger and thumb. < 1.25 Weak Gravel size lumps can be broken in half by heavy hand pressure to 5 Moderately weak Only thin slabs, corners or edges can be 5 to 12.5 broken off with heavy hand pressure. Moderately When held in the hand, rock can be 12.5 to 50 strong broken by hammer blows Strong When resting on a solid surface, rock 50 to 100 can be broken by hammer blows Very strong Rock chipped by heavy hammer blows. 100 to 200 Extremely strong Rock rings on hammer blows. >200 Table 3 : Strength description of rock material The description of joint spacing in the encountered rocks are as per ISRM recommendations and are shown in Table 4 below: Industrial Zone, La Tour Koenig, Mauritius T: F:

62 Description Joint spacing (m) Extremely closely spaced < 0.02 Very closely spaced 0.02 to 0.06 Closely spaced 0.06 to 0.2 Moderately spaced 0.2 to 0.6 Widely spaced 0.6 to 2 Very widely spaced 2 to 6 Extremely widely spaced >6 Table 4: Classification of discontinuity spacing The soil mass has been identified and classified as sand, silt and clay or a combination of all coexisting components. Its physical state was determined by the principles listed below. Consistency Very soft Soft Firm Stiff Very Stiff Hard Identification Easily moulded by fingers Easily penetrated with thumb Indent by thumb/moulded with strong pressure Indent by thumb Penetrated by thumbnail Penetration by thumbnail difficult Table 5: Soil strength description for cohesive/fine soils The classification of compressive strength of rocks, based on BS5930:1999 are as follows: - Very weak : 0.60 to 1.25 MPa - Weak : 1.25 to 5.0 MPa - Moderately weak : 5.0 to MPa - Moderately strong : to 50 MPa - Strong: 50 to 100 MPa. Industrial Zone, La Tour Koenig, Mauritius T: F:

63 2.1 THE GROUND MODEL Based on the findings of the present ground investigation in all trial pits and the boreholes, the ground conditions encountered are summarized as follows: TROU FANFARON TP/BH Fill Material Highly/completely Highly/moderately Moderately/slightly (m) weathered (m) weathered Weathered basalt (Residual basalt) basalt (m) (m) TP m TP m TP TP m ---- BH BH BH m BH Table 6: Strata descriptions in trial pits and boreholes at Trou Fanfaron site. Industrial Zone, La Tour Koenig, Mauritius T: F:

64 2.1.1 CAUDAN TP/BH Fill Highly/completely Highly/moderately Moderately/slightly Material/Top weathered weathered Weathered basalt Soil basalt/limestone/ basalt (m) (m) (m) silty sand TP m TP m TP BH BH Table 7: Strata descriptions in trial pits and boreholes at Caudan site As evidenced by the core photographs and Trial pit/borehole logs, the site is overlain by a layer of top soil/fill material of variable thicknesses ranging from 0 to 1.10 m which is underlain by native highly to completely weathered basalt/limestone also of variable thicknesses varying between 0.2 to 40.7 m and highly to moderately weathered basalt. The detailed stratigraphy encountered in each trial pit and borehole is given in the trial pit and borehole logs (Annex 3). However, the depth, physical state and thickness of each stratum are highly variable and do not follow any pattern or sequence, which make it difficult to give a model geological profile of the site under investigation. Industrial Zone, La Tour Koenig, Mauritius T: F:

65 2.2 GROUNDWATER CONDITIONS The ground water was encountered only in trial pits at Caudan site with levels in the range between 2.40 m and 2.60 m. However, it must be recognised that groundwater levels are subject to seasonal, tidal and annual fluctuations depending on hydrogeological and other factors. Table 8 below, summarises the ground water conditions recorded during site investigation and measured from existing ground level. Trial Pit Location Trial Pit depth (m) Water level (m) TP TP2 Caudan TP Table 8: Groundwater levels, encountered during site investigation 3.0 IN-SITU TESTINGS 3.1 Standard Penetration Test Standard Penetration tests (SPT) were conducted at various depths as per BS 1377, both in cohesive and granular/gravelly soils. The test was carried by using a thick walled sample tube, the outside diameter of which is 50 mm. This is driven into the ground at the bottom of the borehole by blows from a standard weight of 63.5 kg falling through a standard height of 760 mm. The number of blows required to drive the sampler each 150 mm increment of a total of 450 mm penetration was recorded. The blow count for the first 150 mm increment was discarded and the sum of the blow counts for the second and third increments were recorded as the SPT N value. Due to the gravelly nature of the encountered strata a total of only four (4) Standard Penetration Tests could be carried out, of which 1 in BH1 at Trou fanfaron and 1 and 2 nos in boreholes BH1 and BH2 respectively at Caudan. Industrial Zone, La Tour Koenig, Mauritius T: F:

66 Results of Standard Penetration Tests carried out at different levels are shown in Table 9 below. Location Trou Fanfaron Caudan BH SPT level SPT Estimated UCS, kpa Estimated Consistency no (m) N value (Jennings and Al, Cu, kpa 1973) BH > Refusal BH Stiff Soft to firm BH Firm Table 9: Standard Penetration Tests results 5.0 LABORATORY TESTING As agreed with Client s representatives, a series of laboratory tests on selected bulk/undisturbed samples, taken from various trial pits and boreholes, were scheduled and samples were dispatched to appropriate laboratories. The associated laboratory testing was carried out by the Materials and Geotechnical Laboratories of the Universite des Mascareignes and GETS Geotechnical Services Ltd. The tests and terminologies used in this report are according to the British Standards BS 1377, 1990 and BS 5930, 1999, unless otherwise stated. A total of 9 laboratory tests, as per schedule agreed with Consultant, were realised, as shown in Table 10 below and summarized in the Laboratory Tests Schedule which is hereby annexed. Industrial Zone, La Tour Koenig, Mauritius T: F:

67 Laboratory Test Quantity Trial Pit/Borehole Location Atterberg limits 5 TP1 and TP3 Caudan TP2, TP3 and TP4 Trou Fanfaron Particle size distribution (with hydrometer) 5 TP1 and TP3 Caudan TP5, TP6 and TP7 Trou Fanfaron Specific gravity 5 TP1 and TP3 Caudan TP5, TP6 and TP7 Trou Fanfaron Linear shrinkage 5 TP1 and TP3 Caudan TP5, TP6 and TP7 Trou Fanfaron Modified Proctor 5 TP1 and TP3 Caudan TP5, TP6 and TP7 Trou Fanfaron 4Days Soaked CBR (3 compactive efforts) 5 TP 1 and TP3 Caudan TP5, TP6 and TP7 Trou Fanfaron Unsoaked CBR 5 TP 1 and TP3 Caudan TP5, TP6 and TP7 Trou Fanfaron Unconfined Compressive Strength 5 BH1 and BH2 Caudan BH1, BH2 and BH4 Trou Fanfaron Total 40 Table 10: Schedule of realized laboratory tests Industrial Zone, La Tour Koenig, Mauritius T: F:

68 Atterberg limits These were carried out in natural state where possible. For soil samples containing high coarse fractions, the samples were first air-dried and sieved on a 0.425mm BS sieve before allowing to mature on addition of water. The cone penetration test was used for the determination of liquid limit. The following parameters were determined for each sample: Liquid limit, W l % Plastic limit, w p % Plasticity Index, I p % The results are summarized in the Table 11 below. Location Trial Pit w l, % w p, % I p, % Caudan Trou Fanfaron TP TP TP TP TP Table 11: Atterberg limits The above values have been plotted on an A-line chart to indicate their plasticity according to Casagrande and shown in Appendix (Figure 3). The soils encountered at Caudan site are thus being classified as slightly to moderately plastic, whereas those encountered at Trou Fanfaron are moderately to highly plastic. 5.2 Particle size distribution The wet sieving method was adopted for determination of the size fractions to a minimum size of 63 microns and the hydrometer method for fractions smaller than 63 microns (shown on graphs). 15 Industrial Zone, La Tour Koenig, Mauritius T: F:

69 16 Location Trial Pit Particle size distribution Fines (%) Sand (%) Gravels (%) Caudan Trou Fanfaron TP TP TP TP TP Table 12: Particle size distribution The above Particle Size Distribution tests results show the composition of components varying in the following indicative ranges: Caudan site 43 % to 57 % of gravels/cobbles, 17.3% to 19.3 % of sand, 25.7 % to 37.7% of fines Trou Fanfaron site Caudan site 32 % to 49 % of gravels/cobbles, 2.2% to 21.4% of sand, 29.6% to 66.8% of fines The high plasticity class and relatively considerable percentage of fines in the samples may exhibit swelling properties in the encountered soils. 5.3 Specific Gravity The values of specific gravity (particle density) of samples were determined in accordance with BS 1377: Part 2: 1990, paragraph 8 and results are summarized in Table Industrial Zone, La Tour Koenig, Mauritius T: F:

70 17 Location Trial Pit Specific gravity Caudan Trou Fanfaron TP TP TP TP TP Table 13: Specific gravity 5.4 Linear Shrinkage Linear Shrinkage was determined for the fraction of soil passing mm test sieve from linear measurements of a bar of soil as a percentage of the completely dried to original length of the specimen (Clause 6.5, BS 1377:Part 2: 1990). A total of 5 tests have been performed as shown below. Location Trial Pit Linear shrinkage(%) Caudan Trou Fanfaron TP TP TP TP TP Table 14: Linear shrinkage Linear shrinkage values are relatively high and are in agreement with values of obtained in sections 5.1 and 5.2 above. 17 Industrial Zone, La Tour Koenig, Mauritius T: F:

71 Compaction related tests Proctor compaction test with a 4.5 kg rammer Heavy compaction test, using 4.5 kg rammer and five compacted layers, was undertaken for the determination of the dry density/moisture content relationship. The soil was compacted into the CBR mould. California Bearing Ratio Both soaked and unsoaked CBR tests were performed. These values were determined at three compactive efforts namely at 15, 31 and at 62 blows to assess the strength of the subgrade. Geotechnical laboratory testing on soil samples was carried out by the Materials and Geotechnical Laboratories of Geotechnical Services Limited in accordance with BS1377:1990 Methods of tests for soils for civil purposes. A total of 25 compaction and compaction related tests, namely 5 modified proctor tests, 5 unsoaked and 5 unsoaked CBR tests (at 3 compactive efforts) were performed. The results are summarized below. The number of blows adopted to measure the CBR values were 15, 31 and 62, and respective swelling values have been reported. 18 Industrial Zone, La Tour Koenig, Mauritius T: F:

72 19 Trial MDD OMC CBR results (%) Pit (Mg/m 3 ) (%) Unsoaked 4 days Soaking No of Swelling CBR No of Swelling CBR blows (%) value blows (%) value TP TP NA NA Table 15.1: Compaction Test results for Caudan site Trial MDD OMC CBR results (%) Pit (Mg/m 3 ) (%) Unsoaked 4 days Soaking No of Swelling CBR No of Swelling CBR blows (%) value blows (%) value TP TP TP NA NA NA Table 15.2: Compaction Test results for Trou Fanfaron 19 Industrial Zone, La Tour Koenig, Mauritius T: F:

73 20 Both Unsoaked and Four Days Soaked CBR values for both Caudan and Trou Fanfaron sites are found to be acceptable at high compactive efforts. On the other hand swelling values are apparently high in the range of 0.8 % and 6.02 % which is in agreement with particle size distribution and Atterberg limits results in sections Unconfined Compressive Strength (UCS) tests Direct measurement of the Unconfined Compressive strengths were carried out on core samples of intact rock samples. Results of Unconfined Compressive Strength tests on selected samples, after 24 hours soaking, have given the following results: Caudan site Bulk Density Failure Compressive Modulus of Borehole Depth,m (kn/m 3 ) load, KN strength elasticity BH MPa MPa BH MPa MPa Table 16.1: Unconfined Compressive Strength Test results for Caudan site. Trou Fanfaron site Bulk Density Failure Compressive Modulus of Borehole Depth,m (kn/m 3 ) load, KN strength elasticity BH NA MPa NA BH MPa MPa BH MPa MPa Table 16.2: Unconfined Compressive Strength Test results for Trou Fanfaron site UCS values are in agreement with the classifications mentioned in the borehole logs. 20 Industrial Zone, La Tour Koenig, Mauritius T: F:

74 21 5. CONCLUSIONS 1. A geological investigation comprising of 7 machine excavated trial pits and 6 boreholes was performed on two existing sites, namely Trou Fanfaron and Caudan. 2. The geology of the project site under investigation belongs to the older (ancient) volcanic series. 3. Based on the stratigraphy observed in the trial pits and boreholes, the general subsurface soil conditions consists of a made layer of fill materials of variable thicknesses overlying layers of native highly to completely to moderately weathered basalt/limestone. 4. Ground water was encountered between depths of 2.4 m to 2.60 m from the existing ground surface at Caudan site. 5. A total of 40 laboratory tests of which 5 particle size distribution (with hydrometer analysis of fines), 5 modified proctor, 5 unsoaked and 5 soaked (at 3 compactive efforts) CBR tests, among others, have been performed and results reported. 6. Atterberg limit values have been plotted in the Casagrande plasticity chart to enable classification of encountered soils from various trial pits and depths. Dr R. GOODARY MSc, Civil Engineering PhD, Soil Mechanics and Foundation Engineering. Registered member - ISSMGE. 21 Industrial Zone, La Tour Koenig, Mauritius T: F:

75 22 6. REFERENCES 1. Ile Maurice Carte Geologique et Hydrogeologique (1996), Republique de Maurice. 2. Byrne G., Berry A. D. (2008), A guide to Geotechnical Engg in Southern Africa, 4 th Edition, Franki. 3. Proag, V. (1995), The geology and water resources of Mauritius, analysis, Mahatma Gandhi Institute. 4. Giorgi, L. and Borchiellini, S. (1999), Les aquifères de l Ile Maurice (Map). 5. British Standards (1999), BS 5930, Code of practice for site investigations. 6. British Standards (1990), BS 1377, Methods of tests for soils for Civil Engineering purposes. 7. Tomlinson M. J., 1995, Foundation Design and Construction, 6th Edn, Longman 8. Barnes G E (2000), Soil Mechanics. Principles and Practice, 2 nd Edition, Palgrave macmillan. 9. Chenna Kesavulu N., Textbook of engineering geology, 2 nd edition. Macmillan. 10. Parbin Singh, Engineering and general geology, 8 th edition. L B Enterprises. 22 Industrial Zone, La Tour Koenig, Mauritius T: F:

76 Annex 1 LOCATION PLANS Industrial Zone, La Tour Koenig, Mauritius T: F:

77 Y = X = X = X = X = X = X = X = LOCATION PLAN PORT LOUIS HARBOUR & ENVIRONS Quay D Roundabout To the North ABC M Y = Thon des Mascareignes C E B PORT WEST ACCESS Shell Quay D Approach Road Speed Freight Y = Y = Quay E Queen Warehouse Marine Road Taylor Smith & Co. Ltd. MPA Marine Road Albion Dock & Co. Ltd. SITE Canal ABC Car Rental Trou Fanfaron Dual Carriageway M2 Port Louis Sottise Canal Temple To the North Police Stn Y = Granary Immigration Square PORT LOUIS HARBOUR Granary Apravasi Ghat Bus Terminal Y = Post Office

78 COMPANY TROPICAL PARADISE Co. LTD" T.B.320 No.101 HOTEL LE SUFREN BAGGED SUGAR TERMINAL WAREHOUSE KWAN TEE STREET J.KALACHAND & Co. Ltd m2 T.V.1936No.48, T.V.4110No.13 T.V.3332No.32 Cie. "UNION SHIPPING LIMITED" m2 T.V.2107No.95 & T.V.3332 No.32 MAURITIUS SUGAR SYNDICATE 61.01m 2 1 Cie "GALVANISING Ltd" 5486m2 (1A30P) T.V.2414No.13 K W A N T E E S T R E E T Compagnie "SPEEDFREIGHT Ltd." m2 T.V.2022No.92, T.V.3564No.39 T.V.4110No.13 THE MADURAI MARIAMEN TEMPLE 0 A 40P L.B. 48 No m MINISTRY OF WORKS "Waste Water Authority Office" 3 4 D E S C R E O L E S S T R E A M Bridge "MAURITIUS PLANTERS AGRICULTURAL BY PRODUCTS CO-OPERATIVE SOCIETY LTD" MAURITIUS COOPERATIVE AGRICULTURAL FEDERATION LTD HAPPY WORLD FOODS CAUDAN ROUND ABOUT "R.10"

79 Annex 2 Position of trials Pit and Boreholes Industrial Zone, La Tour Koenig, Mauritius T: F:

80 G G G G

81 61.01m IGHT Ltd." 64No m 3 4 D E S C R E O L E S S T R E A M

82 Annex 3 Logs and photographs of trial pits Industrial Zone, La Tour Koenig, Mauritius T: F:

83 GEOTECHNICAL INVESTIGATION AT WAREHOUSE AT ALBION DOCKS Logged by : Date of Logging : COREHOLE LOGGING Date of photograph : Location : Drilling method : Rotary Coring Drilling rig : Depth (m) Level RG Type of sample for lab testing Albion Docks - Trou Fanfaron APAFOR 38 SPT Drilling Run Drilled by : L.Casimir Total core recovery (%) Solid core recovery (%) Rock Quality Desig- -nation (%>100 mm) (00.60) Legend Thickness (m) Sheet : 1 of 1 DRILLHOLE BH1 Elevation : Drilling started : Drilling completed : Hole diameter : 76 mm Depth : m STRATA STRATA DESCRIPTIONS m Gravels and cobbles in a matrix of stiff reddish brown silty clay. FILL MATERIAL m Grey with brown discoloration at fractures with occasional vesicles, weak to moderately weak to moderately strong HIGHLY TO MODERATELY WEATHERED BASALT, occasionally reduced to cobbles and gravels in a matrix of very stiff greyish brown to reddish brown silty clay SPT N N > Refusal (15.60) End of Borehole

84 BH 1 Industrial Zone, La Tour Koenig, Mauritius T: F:

85 BH 1 Industrial Zone, La Tour Koenig, Mauritius T: F:

86 Logged by : Date of Logging : COREHOLE LOGGING Date of photograph : Location : Drilling method : Rotary Coring Drilling rig : Depth (m) Level RG Type of sample for lab testing Albion Docks - Trou Fanfaron APAFOR 38 SPT Drilling Run Total core recovery (%) Solid core recovery (%) Rock Quality Desig- -nation (%>100 mm) Legend GEOTECHNICAL INVESTIGATION AT STRATA STRATA DESCRIPTIONS DRILLHOLE m FILL MATERIAL comprising gravels and cobbles (00.70) Drilled by : L.Casimir Thickness (m) WAREHOUSE AT ALBION DOCKS Elevation : Drilling started : Drilling completed : Hole diameter : Depth : m Sheet : 1 of m mm BH2 Grey to purplish grey with brown discoloration at fractures, weak to moderately strong with occa- -sional vesicles, medium to fine grained HIGHLY TO MODERATELY WEATHERED BASALT with occasional boulders from strong basalt (14.10) End of Borehole

87 BH 2 Industrial Zone, La Tour Koenig, Mauritius T: F:

88 BH 2 Industrial Zone, La Tour Koenig, Mauritius T: F:

89 Logged by : Date of Logging : COREHOLE LOGGING Date of photograph : Location : Drilling method : Rotary Coring Drilling rig : Depth (m) Level RG Type of sample for lab testing Albion Docks - Trou Fanfaron APAFOR 38 SPT Drilling Run Drilled by : L.Casimir Total core recovery (%) Solid core recovery (%) Rock Quality Desig- -nation (%>100 mm) Legend Thickness (m) GEOTECHNICAL INVESTIGATION AT Elevation : Drilling started : Drilling completed : Hole diameter : Depth : Sheet : 1 of m 76 mm STRATA STRATA DESCRIPTIONS DRILLHOLE m FILL MATERIAL comprising gravels and cobbles. (00.70) WAREHOUSE AT ALBION DOCKS m BH3 Grey to greyish brown with brown discoloration at fractures, weak to moderately weak HIGHLY TO COMPLETELY WEATHERED BASALT occasionally reduced to gravels and cobbles in a matirx of very stiff silty clay (07.85) (34.50) m Grey to purplish grey with brown discoloration at fractures with occasional vesicles, medium to fine grained HIGHLY TO MODERATELY WEATHERED BASALT End of Borehole

90 BH 3 1 Industrial Zone, La Tour Koenig, Mauritius T: F:

91 BH 3 2 Industrial Zone, La Tour Koenig, Mauritius T: F:

92 GEOTECHNICAL INVESTIGATION AT WAREHOUSE AT ALBION DOCKS Logged by : Date of Logging : COREHOLE LOGGING Date of photograph : Location : Drilling method : Rotary Coring Drilling rig : Depth (m) Level RG Type of sample for lab testing Albion Docks - Trou Fanfaron APAFOR 38 SPT Drilling Run Drilled by : L.Casimir Total core recovery (%) Solid core recovery (%) Rock Quality Desig- -nation (%>100 mm) Legend Thickness (m) DRILLHOLE Sheet : 1 of 1 Elevation : Drilling started : Drilling completed : Hole diameter : 76 mm Depth : m STRATA STRATA DESCRIPTIONS BH (00.90) m MASS CONCRETE m FILL MATERIAL comprising cobbles and gravels in a matrix of soft to firm silty clay m Grey to purplish grey with brown discoloration at fractures, occasionally vesicular, weak to modeartely strong, medium to fine grained HIGHLY TO MODERATELY WEATHERED BASALT with occasional boulders from strong basalt and segments of completely weathered basalt reduced to gravelly silty clay (13.70) End of Borehole

93 BH 4 Industrial Zone, La Tour Koenig, Mauritius T: F:

94 BH 4 Industrial Zone, La Tour Koenig, Mauritius T: F:

95 Logged by : Date of Logging : COREHOLE LOGGING Date of photograph : Location : Drilling method : Rotary Coring Drilling rig : Depth (m) Type of sample for lab testing RG SPT Caudan - United Docks APAFOR 38 Drilling Run Total core recovery (%) Solid core recovery (%) Rock Quality Desig- -nation (%>100 mm) Drilled by : L.Casimir Fracture frequency per metre Legend Thickness (m) Elevation : GEOTECHNICAL INVESTIGATION AT CAUDAN FOR UNITED DOCKS Drilling started : Drilling completed : Hole diameter : Depth : Sheet : 1 of m 76 mm STRATA STRATA DESCRIPTIONS m (01.00) Brown, moist, soft to firm GRAVELLY SILTY CLAY. TOP SOIL m (00.80) (02.20) DRILLHOLE BH 1 COMPLETELY WEATHERED BASALT reduced to gravels and cobbles in a matrix of stiff silty clay m Grey with light brown discoloration at fractures, weak HIGHLY WEATHERED BASALT - fragmented, with occasional boulders from strong basalt SPT (02.60) m Reddish brown to brown, moist, stiff, moderately plastic to plastic - COMPLETELY WEATHERED BASALT N = m Grey with brown discoloration at fractures, weak with occasional vesicles, medium to fine grained HIGHLY WEATHERED BASALT, fragmented and with occasional boulders from strong basalt (15.55) (Stratum continues down to m.)

96 Logged by : Date of Logging : COREHOLE LOGGING Date of photograph : Location : Drilling method : Rotary Coring Drilling rig : Depth (m) Type of sample for lab testing RG SPT Caudan - United Docks APAFOR 38 Drilling Run Total core recovery (%) Solid core recovery (%) Drilled by : L.Casimir Rock Quality Desig- -nation (%>100 mm) Fracture frequency per metre Legend Thickness (m) GEOTECHNICAL INVESTIGATION AT CAUDAN FOR UNITED DOCKS Elevation : Drilling started : Drilling completed : Hole diameter : Depth : Sheet : 2 of m 76 mm STRATA STRATA DESCRIPTIONS DRILLHOLE BH (Continued) m (15.55) Grey with brown discoloration at fractures, weak with occasional vesicles, medium to fine grained HIGHLY WEATHERED BASALT, fragmented and with occasional boulders from strong basalt m Dark grey, moderately strong to strong, almost compact, medium to fine grained SLIGHTLY (01.85) TO MODERATELY WEATHERED BASALT (02.00) m Dark grey to reddish light brown, moderately weak to weak HIGHLY TO MODERATELY WEATHERED BASALT (01.00) m Beige with brown discoloration at fractures, weak HIGHLY WEATHERED LIMESTONE reduced to gravels and cobbles m Light brown, loose GRAVELLY SILTY SAND with occasional cobbles from limestone (06.00) m (01.00) Beige, loose SILTY SAND m (01.20) HIGHLY WEATHERED LIMESTONE reduced to sand, gravel and cobble size (03.90) m Greyish brown, stiff, moderately plastic to plastic COMPLETELY WEATHERED BASALT m Grey with brown discoloration at fractures, weak, non vesicular HIGHLY WEATHERED (02.60) BASALT, fragmented (Stratum continues down to m.)

97 GEOTECHNICAL INVESTIGATION AT CAUDAN FOR UNITED DOCKS Logged by : Date of Logging : COREHOLE LOGGING Date of photograph : Location : Drilling method : Rotary Coring Drilling rig : Depth (m) Type of sample for lab testing RG SPT Caudan - United Docks APAFOR 38 Drilling Run Total core recovery (%) Solid core recovery (%) Rock Quality Desig- -nation (%>100 mm) Drilled by : L.Casimir Fracture frequency per metre Legend Thickness (m) (02.60) (01.30) (02.80) Elevation : Drilling started : Drilling completed : Hole diameter : Depth : Sheet : 3 of m 76 mm STRATA STRATA DESCRIPTIONS DRILLHOLE BH 1 (Continued) m Grey with brown discoloration at fractures, weak, non vesicular HIGHLY WEATHERED BASALT, fragmented m Grey with brown discoloration at fractures, strong, almost compact, medium to fine grained SLIGHTLY WEATHERED BASALT m Grey to dark grey, weak to moderately strong with occasional vesicles, medium to fine grained HIGHLY TO MODERATELY WEATHERED BASALT, occasionally fragmented End of borehole

98 BH 1- United Docks at Caudan

99

100

101

102

103 Logged by : Date of Logging : COREHOLE LOGGING Date of photograph : Location : Drilling method : Rotary Coring Drilling rig : Depth (m) Type of sample for lab testing RG SPT Caudan - United Docks APAFOR 38 SPT 1 N = 5 Drilling Run Total core recovery (%) Solid core recovery (%) Drilled by : L.Casimir Rock Quality Desig- -nation (%>100 mm) Fracture frequency per metre Legend Thickness (m) (0.60) (03.80) Elevation : GEOTECHNICAL INVESTIGATION AT CAUDAN FOR UNITED DOCKS Drilling started : Drilling completed : Hole diameter : Depth : m m Sheet : 1 of m 76 mm STRATA STRATA DESCRIPTIONS DRILLHOLE BH 2 Brown, moist, soft to firm GRAVELLY SILTY CLAY. TOP SOIL. COMPLETELY WEATHERED BASALT reduced to gravels and cobbles in a matrix of stiff silty clay m HIGHLY WEATHERED BASALT reduced to gravels, cobbles and gravelly silty clay (06.60) m Grey with brown and cream discoloration at fractures, weak to moderately strong with occasional vesicles, medium to fine grained HIGHLY TO MODERATELY WEATHERED BASALT, fragmented and occasionally reduced to gravel size (10.00) (Stratum continues down to m.)

104 GEOTECHNICAL INVESTIGATION AT CAUDAN FOR UNITED DOCKS Logged by : Date of Logging : COREHOLE LOGGING Date of photograph : Location : Drilling method : Rotary Coring Drilling rig : Depth (m) Type of sample for lab testing RG SPT Caudan - United Docks APAFOR 38 Drilling Run Total core recovery (%) Solid core recovery (%) Drilled by : L.Casimir Rock Quality Desig- -nation (%>100 mm) Fracture frequency per metre Legend Thickness (m) (10.00) Elevation : Drilling started : Drilling completed : Hole diameter : Depth : (Continued) m Sheet : 2 of m 76 mm STRATA STRATA DESCRIPTIONS DRILLHOLE BH 2 Grey with brown and cream discoloration at fractures, weak to moderately strong with occasional vesicles, medium to fine grained HIGHLY TO MODERATELY WEATHERED BASALT, fragmented and occasionally reduced to gravel size m HIGHLY WEATHERED BASALT reduced to gravels and cobbles in matrix of stiff silty clay SPT 2 N = (14.00) (07.00) m Grey with brown and cream discoloration at fractures, weak to moderately strong with occasional vesicles, medium to fine grained HIGHLY TO MODERATELY WEATHERED BASALT, fragmented and occasionally reduced to gravel size (Stratum continues down to m.)

105 Logged by : Date of Logging : COREHOLE LOGGING Date of photograph : Location : Drilling method : Rotary Coring Drilling rig : Depth (m) Type of sample for lab testing RG SPT Caudan - United Docks APAFOR 38 Drilling Run Total core recovery (%) Solid core recovery (%) Rock Quality Desig- -nation (%>100 mm) Drilled by : L.Casimir Fracture frequency per metre Legend Thickness (m) Elevation : GEOTECHNICAL INVESTIGATION Drilling started : Drilling completed : Hole diameter : Depth : Sheet : 3 of 3 76 mm STRATA STRATA DESCRIPTIONS DRILLHOLE BH 2 Grey with brown and cream discoloration at fractures, weak to moderately strong with occasional (07.00) vesicles, medium to fine grained HIGHLY TO MODERATELY WEATHERED BASALT, fragmented and occasionally reduced to gravel size (Continued) m m AT CAUDAN FOR UNITED DOCKS m Grey, strong, compact, medium to fine grained SLIGHTLY WEATHERED BASALT (03.65) End of borehole

106 BH 2 United Docks at Caudan

107

108

109

110

111

112 Annex 4 Results of In-Situ tests Industrial Zone, La Tour Koenig, Mauritius T: F:

113 Annex 5 LABORATORY TESTS RESULT Industrial Zone, La Tour Koenig, Mauritius T: F:

114 GEOTECHNICAL INVESTIGATION AT WAREHOUSE UNITED DOCKS A - Line Plot for soil 70 LOW PLASTICITY INTER- MEDIATE HIGH VERY HIGH EXTREMELY HIGH PLASTICITY Plasticity Index (%) TP 1 A line TP Liquid Limit (%) Figure 3: PLASTICITY CHART (Caudan)

115 GEOTECHNICAL INVESTIGATION AT WAREHOUSE ALBION DOCKS A - Line Plot for soil 70 LOW PLASTICITY INTER- MEDIATE HIGH VERY HIGH EXTREMELY HIGH PLASTICITY Plasticity Index (%) TP 7 TP 6 TP 5 A line Liquid Limit (%) Figure 3: PLASTICITY CHART (Trou Fanfaron)

116

117 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT CALIFORNIA BEARING RATIO TEST (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: Albion Docks - Trou Fanfaron Date : Tral Pit: TP 5 Depth: 1.0 m Material type : Soil. Proctor Test Results Rammer 4.5 kg Maximum Dry Density (MDD) 1.34 g/cm 3 Optimum Moisture Content (OMC) 35.5 % C.B.R Tests Results Number After 4 days soaking CBR values, % of blows Dry Density g/cm 3 Swelling, % Moisture content, % 2.5 mm 5.0 mm

118 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT CALIFORNIA BEARING RATIO TEST (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: Albion Docks Trou Fanfaron Date : Tral Pit: TP 6 Depth: 1.0 m Material type : Soil. Proctor Test Results Rammer 4.5 kg Maximum Dry Density (MDD) g/cm 3 Optimum Moisture Content (OMC) 27.5 % C.B.R Tests Results Number After 4 days soaking CBR values, % of blows Dry Density g/cm 3 Swelling, % Moisture content, % 2.5 mm 5.0 mm

119 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT CALIFORNIA BEARING RATIO TEST (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: Albion Docks Trou Fanfaron Date : Tral Pit: TP 7 Depth: 1.0 m Material type : Soil. Proctor Test Results Rammer 4.5 kg Maximum Dry Density (MDD) 1.67 g/cm 3 Optimum Moisture Content (OMC) 22.0 % C.B.R Tests Results Number After 4 days soaking CBR values, % of blows Dry Density g/cm 3 Swelling, % Moisture content, % 2.5 mm 5.0 mm

120 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL & ENVIRONMENTAL ENGINEERING DEPARTMENT PARTICLE SIZE DISTRIBUTION (Methodology: BS 1377, Part 2, 1990) Client: Sotravic Ltd Project: Albion Docks Location: Fanfaron, TP 7 Date: Material type: Soil SIEVE MASS CUMMULATIVE CUM PERCENTAGE GRADING LIMIT SIZE RETAINED (g) RETAINED (g) RETAINED (%) % PASSING Page 1/2

121 Page 2/2

122 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill CIVIL & ENVIRONMENTAL ENGINEERING DEPARTMENT ATTERBERG LIMITS (Methodology: BS 1377, Part 2, 1990) Client: Sotravic Ltd Project: Albion Docks Location: Fanfaron, TP 7 Date: Material type: Soil Liquid limit 45.4 % Plastic limit 38.6 % Plasticity index 6.8 %

123

124 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL & ENVIRONMENTAL ENGINEERING DEPARTMENT PARTICLE SIZE DISTRIBUTION (Methodology: BS 1377, Part 2, 1990) Client: Sotravic Ltd Project: Albion Docks Location: Fanfaron, TP 6 Date: Material type: Soil SIEVE MASS CUMMULATIVE CUM PERCENTAGE GRADING LIMIT SIZE RETAINED (g) RETAINED (g) RETAINED (%) % PASSING Page 1/2

125 Page 2/2

126 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill CIVIL & ENVIRONMENTAL ENGINEERING DEPARTMENT ATTERBERG LIMITS (Methodology: BS 1377, Part 2, 1990) Client: Sotravic Ltd Project: Albion Docks Location: Fanfaron, TP 6 Date: Material type: Soil Liquid limit 55.4 % Plastic limit 44.4 % Plasticity index 11.0 %

127

128 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL & ENVIRONMENTAL ENGINEERING DEPARTMENT PARTICLE SIZE DISTRIBUTION (Methodology: BS 1377, Part 2, 1990) Client: Sotravic Ltd Project: Albion Docks Location: Fanfaron, TP 5 Date: Material type: Soil SIEVE MASS CUMMULATIVE CUM PERCENTAGE GRADING LIMIT SIZE RETAINED ( g ) RETAINED ( g ) RETAINED ( % ) % PASSING Page 1/2

129 Page 2/2

130 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill CIVIL & ENVIRONMENTAL ENGINEERING DEPARTMENT ATTERBERG LIMITS (Methodology: BS 1377, Part 2, 1990) Client: Sotravic Ltd Project: Albion Docks Location: Fanfaron, TP 5 Date: Material type: Soil Liquid limit 57.8 % Plastic limit 44.4 % Plasticity index 13.4 %

131

132 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT DRY DENSITY/MOISTURE CONTENT RELATIONSHIP (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: Albion Docks Trou Fanfaron Location: TP7 Date: Material type: Soil (Gravelly silty clay). Rammer 4.5 kg Maximum Dry Density (MDD) g/cm 3 Optimum Moisture Content (OMC) 22.0 %

133 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT DRY DENSITY/MOISTURE CONTENT RELATIONSHIP (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: Albion Docks Trou Fanfaron Location: TP 6 Date: Material type: Soil (Gravelly silty clay). Rammer 4.5 kg Maximum Dry Density (MDD) g/cm 3 Optimum Moisture Content (OMC) 27.5 %

134 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT DRY DENSITY/MOISTURE CONTENT RELATIONSHIP (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: Albion Docks Trou Fanfaron Location: TP5 Date: Material type: Soil (Gravelly silty clay). Rammer 4.5 kg Maximum Dry Density (MDD) 1.34 g/cm 3 Optimum Moisture Content (OMC) 35.5 %

135 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT UNSOAKED CALIFORNIA BEARING RATIO TEST (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: Albion Docks Trou Fanfaron Date : Tral Pit: TP 7 Depth: 1.0 m Material type : Soil. Proctor Test Results Rammer 4.5 kg Maximum Dry Density (MDD) 1.67 g/cm 3 Optimum Moisture Content (OMC) 22.0 % C.B.R Tests Results After 4 days soaking CBR values, % Dry Density g/cm 3 Swelling, % Moisture content, % 2.5 mm 5.0 mm NA NA

136 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT UNSOAKED CALIFORNIA BEARING RATIO TEST (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: Albion Docks Trou Fanfaron Date : Tral Pit: TP 6 Depth: 1.0 m Material type : Soil. Proctor Test Results Rammer 4.5 kg Maximum Dry Density (MDD) g/cm 3 Optimum Moisture Content (OMC) 27.5 % C.B.R Tests Results After 4 days soaking CBR values, % Dry Density g/cm 3 Swelling, % Moisture content, % 2.5 mm 5.0 mm NA NA

137 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT UNSOAKED CALIFORNIA BEARING RATIO TEST (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: Albion Docks Trou Fanfaron Date : Tral Pit: TP 5 Depth: 1.0 m Material type : Soil. Proctor Test Results Rammer 4.5 kg Maximum Dry Density (MDD) 1.34 g/cm 3 Optimum Moisture Content (OMC) 35.5 % C.B.R Tests Results After 4 days soaking CBR values, % Dry Density g/cm 3 Swelling, % Moisture content, % 2.5 mm 5.0 mm NA NA

138 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT CALIFORNIA BEARING RATIO TEST (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: United Docks - Caudan Date : Tral Pit: TP 3 Depth: 1.0 m Material type : Soil. Proctor Test Results Rammer 4.5 kg Maximum Dry Density (MDD) 1.69 g/cm 3 Optimum Moisture Content (OMC) 16.8 % C.B.R Tests Results Number After 4 days soaking CBR values, % of blows Dry Density g/cm 3 Swelling, % Moisture content, % 2.5 mm 5.0 mm

139 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT CALIFORNIA BEARING RATIO TEST (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Date : Material type : Soil. Project: Albion Docks - Caudan Tral Pit: TP 1 Depth: 1.0 m Proctor Test Results Rammer 4.5 kg Maximum Dry Density (MDD) g/cm 3 Optimum Moisture Content (OMC) 21.5 % C.B.R Tests Results Number After 4 days soaking CBR values, % of blows Dry Density g/cm 3 Swelling, % Moisture content, % 2.5 mm 5.0 mm

140 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL & ENVIRONMENTAL ENGINEERING DEPARTMENT PARTICLE SIZE DISTRIBUTION (Methodology: BS 1377, Part 2, 1990) Client: Sotravic Ltd Project: United Docks Location: Caudan, TP 3 Date: Material type: Soil SIEVE MASS CUMMULATIVE CUM PERCENTAGE GRADING LIMIT SIZE RETAINED (g) RETAINED (g) RETAINED (%) % PASSING Page 1/2

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142 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill CIVIL & ENVIRONMENTAL ENGINEERING DEPARTMENT ATTERBERG LIMITS (Methodology: BS 1377, Part 2, 1990) Client: Sotravic Ltd Project: United Docks Location: Caudan, TP 3 Date: Material type: Soil Liquid limit % Plastic limit % Plasticity index 7.56 %

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144 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL & ENVIRONMENTAL ENGINEERING DEPARTMENT PARTICLE SIZE DISTRIBUTION (Methodology: BS 1377, Part 2, 1990) Client: Sotravic Ltd Project: United Docks Location: Caudan, TP 1 Date: Material type: Soil SIEVE MASS CUMMULATIVE CUM PERCENTAGE GRADING LIMIT SIZE RETAINED (g) RETAINED (g) RETAINED (%) % PASSING Page 1/2

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146 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill CIVIL & ENVIRONMENTAL ENGINEERING DEPARTMENT ATTERBERG LIMITS (Methodology: BS 1377, Part 2, 1990) Client: Sotravic Ltd Project: United Docks Location: Caudan, TP 1 Date: Material type: Soil Liquid limit 46.0 % Plastic limit 22.6 % Plasticity index 23.4 %

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148 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT DRY DENSITY/MOISTURE CONTENT RELATIONSHIP (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: United Docks - Caudan Location: TP3 Date: Material type: Soil (Gravelly silty clay). Rammer 4.5 kg Maximum Dry Density (MDD) 1.69 g/cm 3 Optimum Moisture Content (OMC) 16.8 %

149 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT DRY DENSITY/MOISTURE CONTENT RELATIONSHIP (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: United Docks - Caudan Location: TP1 Date: Material type: Soil (Gravelly silty clay). Rammer 4.5 kg Maximum Dry Density (MDD) g/cm 3 Optimum Moisture Content (OMC) 21.5 %

150 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT UNSOAKED CALIFORNIA BEARING RATIO TEST (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: United Docks - Caudan Date : Tral Pit: TP 3 Depth: 1.0 m Material type : Soil. Proctor Test Results Rammer 4.5 kg Maximum Dry Density (MDD) 1.69 g/cm 3 Optimum Moisture Content (OMC) 16.8 % C.B.R Tests Results After 4 days soaking CBR values, % Dry Density g/cm 3 Swelling, % Moisture content, % 2.5 mm 5.0 mm NA NA

151 UNIVERSITE DES MASCAREIGNES Avenue de la Concorde, Camp Levieux, Rose Hill GEOTECHNICAL LABORATORY CIVIL ENGINEERING DEPARTMENT UNSOAKED CALIFORNIA BEARING RATIO TEST (Methodology : BS 1377, Part 4, 1990) Client: Sotravic Ltee Project: United Docks - Caudan Date : Tral Pit: TP 1 Depth: 1.0 m Material type : Soil. Proctor Test Results Rammer 4.5 kg Maximum Dry Density (MDD) g/cm 3 Optimum Moisture Content (OMC) 21.5 % C.B.R Tests Results After 4 days soaking CBR values, % Dry Density g/cm 3 Swelling, % Moisture content, % 2.5 mm 5.0 mm NA NA

152 Annex D Mixed use development at Caudan District of Port-Louis UNITED PROPERTIES LTD Clearances JULY 2017

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165 Annex E Mixed use development at Caudan District of Port-Louis UNITED PROPERTIES LTD Social Impact Assessment (SIA) and Social Needs Analysis (SNA) JULY 2017

166 UNITED PROPERTY LTD SOCIAL IMPACT ASSESSMENT QUAY HEIGHTS PDS PROJECT JUNE

167 Tel: , Frère Félix de Valois Street Fax: Port Louis, Mauritius P.O. Box 799 Mr Nitin Pandea Managing Director United Property Ltd/United Docks Ltd Kwan Tee Street Port Louis 20 June, 2017 Dear Sir, SOCIAL IMPACT ASSESSMENT REPORT We are pleased to submit herewith a social impact assessment report for the mixed-use development project Quay Heights in Caudan. Our consultants have conducted extensive fieldwork engaging with the local inhabitants to assess the likely positive and negative impacts of the proposed development. This report contains the findings of our analysis and provides the basis for the Social Needs Analysis which is also summarised in a separate document. We thank you for trusting our services. Yours Sincerely, BDO & Co. BDO & Co, a firm of Chartered Accountants in Mauritius, is a member of BDO International Limited, a UK company limited by guarantee, and forms part of the international BDO network of independent member firms. 0 BDO is the brand name for the BDO network and for each of the BDO Member Firms.

168 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Table of Contents 1. Summary Background and scope Why social impact assessment and social needs analysis? Baseline study Social impact Commercial and Retail Development Employment Healthcare facilities Business hotel and apartments Potential negative impacts Findings of survey Residents Commuting Shopping Habits Healthcare Opinion Regarding new facilities in the Caudan area Social Issues Non Residents Shopping Habits Healthcare Opinion regarding new facilities in the Caudan area Proposed Mitigation measures to address potential adverse impact Community development Appendix- Questionnaire

169 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME 1. Summary Further to its application for a Property Development Scheme ( PDS ) Certificate from the Board of Investment, and a letter of intent from the latter, United Properties Limited UPL is now required under this Scheme to provide an appraisal of the impact on the day-to-day quality of life of the immediate communities whose environment is affected by the proposed project as per the Scheme Guidelines. The mixed-used development (known as Quay Heights) being proposed by UPL at the entrance of the Caudan area, is a high rise 28 storeyed mixed use building of 50,000 square metres. It will consist mainly of apartments, with the two lower levels dedicated to commercial space - and accompanying facilities that would benefit all those living/working in the building. This development not only brings variety and a better range of products and facilities to those in the region, but also offers opportunity for employment. A series of consultations have been carried out with relevant stakeholders, including meetings with individuals living and/or working in the neighbouring residential areas of Les Salines, Cassis and La Butte to elicit their views on the perceived impact of the impending project on their daily activities. The study has revealed that expectations were positive from different categories of people. For instance, residents would mostly see this development bringing an improvement to the existing facilities in their locality. Moreover, the people commuting to Les Salines and/or Le Caudan Waterfront felt that this new project would equally benefit them. The expected benefits include, among others, job creation, the regeneration of the Caudan area, the provision of a range of services (shopping, paramedical etc.) to the residents and inhabitants of the area of Les Salines and Cassis. Benefits also flow to people commuting daily to Port Louis and to the Caudan area for work. The social development programme being devised under the PDS Social Fund (estimated at Rs 12 million) will bring additional benefits to the inhabitants. 2

170 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME 2. Background and scope United Docks Ltd (UDL) was founded in 1991 and is a listed company on the official Stock Market of Mauritius. The company s core activities include real estate development, strategic investments, property management, warehousing and logistics solutions. UDL has a diversified portfolio with strategic investments in both listed and non-listed companies across various sectors which include manufacturing, agri-business, IT, retail, logistics, financial services, capital markets, real estate and education. In line with its expansion strategy, UDL is now looking to develop its warehousing & logistics arm as well as mixed-use projects in the Port Louis area. United Properties Ltd (UPL), a fully owned subsidiary of UDL, is looking to start a mixed development in the Caudan area. This new project will comprise a 195-key business hotel operated by Crowne Plaza, 60 apartments, a supermarket, gym, cafe, restaurants and 2,645 square metres of office spaces. The building will be erected on 8,377m of freehold land, will have 28 storeys and will provide space for 472 parking slots. The Property Development Scheme (PDS) allows the development of a mix of activities and the programme is designed to develop a business hotel as well as facilitate the acquisition of residential property by non-citizens in Mauritius. The PDS is basically an integrated project with social dimensions for the benefit of the neighbouring community and allows for the development and sale of high standing residential units mainly to foreigners. This document gives an overview of the social impact of Quay Heights, the new mixed-use development project at Caudan. 3

171 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME 2.1 Why social impact assessment and social needs analysis? The objective of a social impact assessment is to drive improvements that increase the value of development projects to the people they serve. Through social impact assessments, organisations are able to plan their activities and interventions in a more structured manner, leading to both better efficient use of funds and better results. This exercise can be quite complex as it entails assessing the future impact of a project that is yet to be implemented. A projection into the future is therefore required, with similar projects used as benchmark to ensure planning and execution. In this regard, consultation with the local community is a pre-requisite for such assignments to get a full picture of apprehensions and expectations of those who are most likely to be affected by the project. These consultations are an essential part of the communication strategy as the dialogue is key to understanding concerns of the community and contributes greatly towards finding solutions and/or mitigating tools to address any existing or potential adverse impact. The International Association for Impact Assessment defines Social Impact Assessment₁ ( as including processes of analysing, monitoring and managing the intended and unintended social consequences, both positive and negative, of planned interventions (policies, programs, plans, projects) and any social change processes invoked by those interventions. The goal is to bring responsible development that is not only acceptable to the community, but also equitable and sustainable. This report therefore seeks to assess the likely social impact of the project on the neighbouring villages and communities and to underline how mitigation measures can be implemented to improve social well-being in the local area. The Social Impact Assessment (SIA) will be one of the inputs towards the application for the Letter of Intent from the Board of Investment. The objective of the SIA was to provide an appraisal of the impacts on the day-to-day quality of life of the immediate communities whose environment is likely to be affected by the United Property Limited project. Such impact has been evaluated mostly at postcompletion/operational phase. Participatory approach As part of the certification process, consultations were held with the following groups during the month of July 2016: Stakeholders Individuals Residents & commuters Residents & commuters Residents & commuters Shop owners & employees Stakeholders - Social Groups Association Féminine Etoile de Mer Club CTC Les Flamboyants Location Cassis La Butte Les Salines Le Caudan Waterfront Location Bain des Dames Cassis 4

172 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME The main social groups consulted were Association Feminine Etoile de Mer at Bain des Dames and Club CTC Les Flamboyants Cassis. In addition, Buze Cassis Sports Club was also contacted. These groups are very active in the community and following our discussions, the respective representatives were invited to send us any additional feedback/suggestions in writing that they might want to share with us (annexed). 3. Baseline study The study was conducted in 3 phases: Phase I: One-to-one interview with residents of the neighbouring area of Cassis, La Butte, Les Salines. Phase II: One-to-one interview with people working in the Caudan/Les Salines area. Phase III: Meetings and discussions with social groups in the neighbouring areas of Cassis, La Butte and Les Salines. While conducting interviews, several visits were also made to those areas for first-hand feel, observations and investigations. Below is a brief description of the immediate surrounding areas with pictures. Figure 1: Location map Figure 2: Map of Les Salines 5

173 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Figure 3: Map of Cassis Social Profile The social profile relates to the current demography, housing status, occupational breakdown and types of businesses/categories of employment. The total population of the Port Louis district is estimated at 118,431 inhabitants, representing roughly 9.6% of the total population of Mauritius. Les Salines, the site of the upcoming project, located at the entrance of Port Louis, forms part of the Ward 3 cluster comprising Les Salines, Cassis, La Butte, Bain des Dames and Cité Vallijee. The number of inhabitants in this area is estimated at 21,544, representing 18% of the Capital s total population. There is no residential settlement in the immediate vicinity of the development area. However, the immediate communities are found mostly in: Les Salines Cassis La Butte Bain des Dames Cité Vallijee People in the region would be classified in the middle to lower class segments of the Mauritian population. Besides residential units, the communities have the following facilities: numerous small convenience shops (tabagies), a few larger self-service retail shops, several small snacks, a municipal centre, and several places of worship - Tamil temples, a chapel, a mosque, a pagoda and several small Hindu temples. According to the population Census of 2011, total population of the Ward 3 area was 21,544, living in some 5,800 housing units. 6

174 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Ward 3 Population by age <1 1 to 9 10 to to29 30 to to to Not stated Ward 3 Population by age List of all facilities at Les Salines and Cassis The area surveyed in the proximity of the project site was observed to have several social amenities for sports, leisure and for social use. These centres and activities mostly fall under the responsibility of the Municipality of Port Louis. While some of them can be accessed by the public at large, others require prior registration and a payment e.g. badminton court and swimming pool. The polyvalent centre in Cassis accommodates several uses including a nursery, a kindergarten, a library and polyvalent rooms. Les Salines Cassis Jean Lebrun Centre Freddy Desvaux football ground Dr Bouloux Area Health Centre Petanque pitch Basketball pitch Children playground Centre de Boxe Freddy Desvaux polyvalent centre Badminton court Swimming Pool Petanque pitch Mini soccer (synthetic) pitch Robert Edward Hart Garden Children playground 7

175 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Figure 4: The Robert Edward Hart garden Figure 5: Badminton Centre in Les Salines 8

176 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Figure 6: Children playground in Les Salines Figure 7: Open gym next to children playground (Les Salines) 9

177 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Figure 8: Centre polyvalent Freddy Desvaux Figure 9: Cassis children playground (next to centre polyvalent) 10

178 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Figure 10: Cassis children playground (next to centre polyvalent) Project description and how it fits in the landscape of Port Louis The UPL project consists of a high rise 28 storeyed mixed use building of 50,000 square metres at the entrance of Caudan. The building is set to house a 195-key business hotel (levels 12 to 18), 60 apartments from level 7 to level 11, with levels 5 to 6 to be used for office space, and levels 2 to 4 for parking slots. The ground floor will be dedicated to commercial units, which will comprise a leading supermarket chain (2,000 m2), restaurants and shops. This development will also comprise a comprehensive gym which will be exclusively for the use of the residents of the building. This project, poised to become the tallest building in Port Louis after completion, is set to revolutionise the landscape of Port Louis. The target market for the residential units being high net worth expatriates, there will be a fair number of job prospects for people in the neighbouring areas There have in the recent past been several attempts at renovating and rehabilitate Port Louis to make it a vibrant zone beyond office hours. The project fits very well with the willingness to regenerate the centre of Port Louis so as to accommodate new uses and simultaneously provide a higher level of security for the residents. The Port Louis Development Initiative for instance is one such example. 4. Social impact The different features of the project are expected to bring a wide range of benefits to society in general. The social impact is here broadened to include social and economic impact but all pertaining to people. 11

179 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME 4.1 Commercial and Retail Development The commercial and retail development (located on the Upper Ground floor and Level 1) will bring a wide offering of quality products, fresh vegetables and meat products. This suits the people in the vicinity as well as people who commute to work in the Caudan area and even beyond. It adds more variety and an experience of shopping in the area with good parking. Compared to other supermarkets in central Port Louis, the environment is of better quality and is more welcoming. The shopping outlets, namely the supermarket will serve a large radius in addition to the residents of the apartments, and that will include people who work in the Caudan area, as well as those working in and around Port Louis, who use parking facilities at Caudan. It is anticipated that people working in Port Louis in general will occasionally stop by to do some quick shopping before commuting back home. 4.2 Employment At construction stage, the project is likely to employ at least 200 people over a period of three years which can include people from the region too. Once the construction over, this project has the ability to generate 1,000 jobs. Two levels (5 th and 6 th ) will be dedicated to office space. In term of lifestyle, high net worth individuals require on average 2 domestic workers on a full time basis maid, cooks and nannies. In addition, such a building will require full time dedicated security staff, cleaners and handymen available at all times. Moreover, the supermarket is expected to generate at least 100 jobs, and the smaller commercial units will most likely require around 2 persons each. Below is a breakdown of the estimated number of new jobs that will be created. Table 1: Job creation Development Estimated number of permanent new jobs Hotel 500 Supermarket 100 Property management 50 Gym and wellness centre 50 Offices (relocation) - Commercial centre 100 Medical 50 Restaurants 150 Total 1, Healthcare facilities The idea of having healthcare facilities in the new complex was met with a very positive response by survey respondents, especially those working in and around the Caudan area. The survey revealed that most times the people were unable to seek medical help during workdays/work hours due to: a) The long distance between the Caudan Waterfront and hospitals/clinics in Port Louis; b) Time constraints: people cannot afford to be absent from work for hours queuing at the hospital; 12

180 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME c) Travel: they would need to find a taxi and given the Port Louis traffic, would end up being off from work for too long. As for a pharmacy, it would be very beneficial to those working at the waterfront and those using the parking facilities. However, the pharmacy would need to stretch its trading hours so that it opens earlier than the existing pharmacies at Dias Pier and Les Salines (IBL retail pharmacy), and closes much later in the evening. Overall, the new development will enhance the overall ambiance of the Caudan/Les Salines, which tends to get very quiet after hours. One of the points that was highlighted during the surveys was that residents were looking forward to the neighbourhood becoming livelier and therefore more secure for walks and runs in the afternoons and in weekends. 4.4 Business hotel and apartments The business hotel (located on levels 12 th to 28 th ) and the residential apartments (7 th to 11 th floor levels) will bring in a series of economic benefits. With the rise in tourism and the number of business people travelling to Mauritius, this strategically located hotel will attract clients throughout the year. The apartments will provide quality housing to foreigners settling to work in Mauritius. They will be close to their place of work and not create unnecessary traffic while commuting every day to work. Tourist arrivals exceeded 1.2 million in 2016, of which 44,133 arrivals corresponded to business. There were in the first quarter 11,314 tourist arrivals whose main purpose of visit was business, which represents a 9.7% increase from the first quarter of According to BOI statistics, there has been close to 2,000 buyers of approved IRS/RES/PDS residences so far with prices ranging between USD 500,000 and 3 million and the demand is still growing (Source: Luxury Residential Offerings, BOI report, December 2016). 4.5 Potential negative impacts The potential negative impacts of the project are not far ranging. The project, owing to the nature of the proposed activities is likely to displace a few micro businesses in the vicinity and it may cause additional traffic on the motorway access during peak hours. 1. Competition to micro businesses Till date, food shopping for the local residents has been mainly at small outlets, small convenience stores or low cost supermarkets at Cassis and at La Butte. The more formal food shopping outlet in the new complex will bring a broader range of products (both in terms of fresh produce and packaged goods) but might also cause the smaller traditional 13

181 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME businesses to suffer. Additionally, small ready-made food vendors might also face competition from the new coffee shops and food courts. 2. Traffic Traffic is not expected to be substantially higher in the area, the area being well served in terms of road network. This area of Caudan already attracts a high number of cars in two adjacent private car parks while United Docks also operate a car park facility. Nevertheless, appropriate traffic management measures will be introduced. Quay Heights will have sufficient parking (over 400 slots) for the apartment residents, the hotel residents and the shoppers. 3. Religious activities Future residents (expatriates) may be affected by religious activities organised by the temple adjacent to the new project (noise and traffic). The temple is under expansion at the time of drafting of this report. While religious activities form part of Mauritian traditions and adds to the local folklore, it might take a while for foreigners to get used to these. 5. Findings of survey For the purpose of this study a mix of questionnaire and interview methods was used to gather information about the local people, their lifestyles and their feel regarding the upcoming project. While the questionnaire ensured that certain points were addressed, the accompanying open-ended interview approach allowed for depth of information and understanding the specifics. This method proved to be particularly useful in gathering feedback pertaining to community challenges and needs, which will be addressed in a separate Social Needs Analysis report. The survey results were separated into two categories: i) Ward 3 Residents ii) Ward 3 Non-residents Below are the key findings per category. 5.1 Residents Total Number of residents in the survey: 33 (out of 55) 14

182 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Gender Female 45% Male 55% Age 36.3% 27.3% 27.3% 9.1% YEARS YEARS YEARS >60 YEARS Number of persons in household 33.3% 6.1% 9.1% 12.1% 18.2% 12.1% 3.0% 9.1% >6 NO RESPONSE 15

183 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Locality La Butte 18% Les Salines 27% Cassis 56% Retired 16% Place of Work No response 9% Ward 3 24% Not working 12% Plaines Whilems 18% Other Port Lo 21% Commuting The main difficulties that are faced by the inhabitants of the locality for commuting are traffic congestion and lack of buses in the area. 16

184 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME How do you commute? Is it easy to commute? No response 9% On foot 12% On motorcycle 9% By car 30% By bus 40% [CATEGORY NAME] [PERCENTAGE] No 21% Yes 67% Difficulties to commute LONG WAY TO BUS STATION 1 LACK OF BUSES 3 DIFFICULT TO CROSS THE MAIN ROAD 1 TRAFFIC CONGESTION 3 Shopping Habits Frequency 33.3% Rating of shopping facilities in the area 21.2% 24.3% 39.4% 12.1% 9.1% 15.2% 24.2% 21.2% EVERYDAY TWICE A WEEK WEEKLY EVERY TWO WEEKS MONTHLY 0.0%

185 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Supermarket or shop? Where do you shop? Shop 15% Outside Port Louis 30% In the Locality 56% Supermarket 85% In Port Louis Centre 15% Comments COMPETITIVE PRICE 2 VARIETY OF LOCAL SHOPS 1 EXPENSIVE 5 APPROPRIATE FOR LOCAL MARKET 1 SATISFIED 2 Part of the comments pertained to products being expensive but the majority were satisfied with local prices, quality and variety at the various small shopping outlets. 18

186 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Healthcare Where do you go in case of illness? Clinic Private Physician 3% 12% CLINIC PRIVATE PHYSICIAN Why? Careful attention More reliable, quicker Hospital 36% Community Healt 49% HOSPITAL HEALTH CENTRE Family's physician Limited opening hours 6 of health 0 5 centre 10 Most of the inhabitants go to the Community Health Centre because it is free and within a short distance. Some prefer going to the hospital where there are better facilities or because there are drug addicts on the Community Health Centre s premises due to distribution of methadone to them. People also go to hospital due to the restricted opening hours of the Community Health Centre. A small portion of the sample would go to private physicians or to clinics for more reliable, quicker services and higher quality care. 19

187 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Where do you go in case of emergency? Clinic 15% Community Healt 3% Private Physician 6% Hospital 76% Why? CLINIC PRIVATE PHYSICIAN Insurance coverage More reliable service Faster service HOSPITAL HEALTH CENTRE Limited opening hours of health centre No appointment required Better treatment In case of emergency, the inhabitants prefer to go directly to the hospital and those who can afford it to the clinic. Those who prefer going to the Hospital would say that there are no appointments required, and the hospital gives a better treatment and remains open 24/7 as compared to the Health Centre. A limited number of persons would go to clinics or private physicians principally those having insurance coverage or for quicker and more reliable services. 20

188 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Leisure What do you do in your leisure time? ON THE INTERNET SOCIAL WORK LISTEN TO MUSIC WATCH T.V WATCH MOVIES FAMILY TIME SPORTS A large part of the population interviewed said that they practice sports in their free time such as football, jogging, boxing, badminton, yoga etc. Other popular activities in the locality are watching television or movies, doing household works and spending time with family. Leisure in the locality OTHER GROUP YOGA BADMINTON BOXING SWIMMING FOOTBALL PETANQUE RUNNING/ JOGGING/ FOOTING GO TO EDWAD HART GARDEN rarely every two weeks weekly Twice a week Thrice a week Everyday The non-response rate was 12.1% Other activities include home gym, individual yoga, fishing, bicycle, and private gym. From the listed facilities available in the locality, we could observe that the inhabitants enjoy most of them. Going to Edward Hart Garden is a popular activity as it offers a place of relaxation for the whole family. Many also go there to practice sports like jogging and 21

189 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME playing football as often as twice a week. From the sample interviewed swimming, badminton, boxing and petanque were the least popular. Of note, many locals would have liked to use the swimming pool, however due to the inconvenient registration procedures are not able to do so. Given the facility, what activity would you like to do? GYM ACCESS TO INTERNET GROUP ACTIVITIES FOR WOMEN VOLLEYBALL GROUP ACTIVITIES FOR SENIORS AEROBIC FOOTBALL HIKING SWIMMING SCRABBLE CAROM/ DOMINO PING PONG PLAY MUSIC When asked, the residents spoke about various activities that would have been of interest to them- the most popular desired activity being swimming. Although the facility already exists, interviewees find the process of getting access to the swimming pool too lengthy. Also, since all the formalities need to be completed at the Municipality of Port Louis, most people are not able to take long hours off work to complete same. There was also significant interest for group activities for seniors and women, for pingpong, carom, domino, scrabble, aerobic, playing music and access to internet. Opinion Regarding new facilities in the Caudan area What do you think of a supermarket in the Caudan area? NO OPINION NO NEAR ENOUGH NEEDS TO HAVE COMPETITIVE PRICE MORE FACILITIES AND DEVELOPMENT PRACTICAL HAVE TO DEAL WITH ISSUE OF JUVENILE DELIQUENCY GOOD IDEA 12.1% 12.1% 9.1% 9.1% 6.1% 3.0% 48.5% When asked about their views on a supermarket opening in the Caudan area, mixed opinions were obtained. A large majority of 72.1 % believe it could be a good idea as it will be more practical and will be a development for the locality. Some remain sceptical at the idea saying prices will have to be competitive and affordable and that authorities would have to deal with the issue of juvenile delinquency in the area in order to attract 22

190 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME customers. 12.1% of the sample did not think it as good idea given the distance and poor transport system from the locality of Les Salines, La Butte and Cassis to the Caudan area. Opinion on new facilities in the Caudan area 1 very bad, 5 very good idea SPECIALITY SHOPS PHYSICIANS PHARMACY APARTMENTS FOOD COURT PARKING SPACE No response Concerning the views on the opening of new facilities in the Caudan area, mixed responses were also obtained. Parking space and physicians got the most positive responses while apartments seemed to be a bad idea for those interviewed. Missing facilities NOTHING STREET LIGHTING DRAINS PARKING PROPERLY ASPHALTED ROADS GYM MARKET FOR FRESH PRODUCTS SPORTS CLUBS COMMUNITY CENTRE TRANSPORT FACILITIES LATE OPENING PHARMACY KIDS PLAYGROUND GOOD BADMINTON COURT SECURITY PATROLS HOTLINE SECURED CYCLING TRACK The survey revealed many missing social facilities in the area, the most demanded for being a well-equipped multi facility centre where people of different age groups can have access to indoor activities and learn new things. The locality of Les Salines and Cassis do have Municipal Centres, but people have to be involved in a club in order to have access to the facilities and the number of proposed activities tends to be limited. The transport 23

191 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME system again being an issue, the inhabitants also find that buses serving the locality are not enough, with long hours wait to get a bus. There a no proper market for fresh products and no late opening pharmacy. Also lacking are a proper children s playground, good drainage system, well asphalted roads and a security patrol s hotline. Other missing facilities were named such as parking facilities, street lighting, an affordable gym, sports clubs, a good badminton court and a secured cycling track. 24

192 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Social Issues Social Problems NO PROBLEMS UNEMPLOYMENT STRAY DOGS VERBAL HARASSEMENT VIOLENCE UNCLEAN ENVIRONMENT NOISY NEIGHBORS UNSAFE DRIVING POVERTY HOOLIGANS CHILDREN NOT ATTENDING SCHOOL METHADONE CENTRE IN CASSIS ALCOHOLISM ROBBERY DRUGS The social problem taking the most serious toll in the locality is that of drugs with youngsters being the most vulnerable. Children from poor families often do not attend school and with lack of support turn into hooligans. They get easily tempted into alcohol, drugs, robbery and violence. 12.1% of the interviewees blame the social problems on the distribution of methadone in the Community Health Centre. People also complained about stray dogs, the general unclean environment mainly due to lack of waste water drainage system and reckless driving in the locality. 25

193 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME 4.2 Non Residents Total number of non-residents in the survey: 22 Gender Age Female [PERCEN TAGE] Male [PERCEN TAGE] 31.8% 45.5% 18.2% 4.5% YEARS YEARS YEARS >60 YEARS The non- residents sample consist mainly of employees in speciality shops at Le Caudan Waterfront and some people working in the locality. Locality Work Place Plaines Wilhems 23% Port Louis Centre 9% Port Louis (other than ward 3) 64% Black River 4% Pamplemous 5% Flacq 4% Les Salines 18% Caudan 73% Shopping Habits Where do you shop? No response 14% 22.7% Frequency 31.8% Shop 10% 4.5% 13.6% 4.5% 13.6% 9.1% Supermarket 76% 26

194 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME For the most part, non-residents normally do their food shopping at supermarkets in their locality. Those residing in Plaines Wilhems have a much broader choice and the two most cited shopping places were Bagatelle Mall and Trianon Shopping Park (Shoprite). Healthcare In case of illness at work, where do you go? No response 9% Health Centre 9% Private physician 4% Clinic 9% Pharmacy 14% Hospital 55% In cases of illness, those working in Caudan would prefer going to the pharmacy in Caudan itself for advice and medication, given that it is the easiest and least time consuming option. In case of urgent need for treatment, most of them would choose to go to the hospital while those with medical cover would opt for clinics or private practitioners. Opinion regarding new facilities in the Caudan area What do you think of a supermarket in the Caudan area? Opinion on new facilities in the Caudan area 1 very bad, 5 very good idea NO RESPONSE NEEDS TO HAVE PRACTICAL WOULD BE TOO LACK OF ACCESSIBLE 1 PHYSICIANS PHARMACY FOOD COURT GOOD IDEA No response Non-residents of the Ward 3 area working in the Caudan region welcomed the idea of a supermarket closer to them as there was no such facility in their immediate work surroundings. This would make it much more practical for them to do their food shopping during lunchtime or after work. While the respondents did not deem a fully-fledged food court to be necessary, they would prefer to have a broader range of more affordable readymade foods (cheap sandwiches, pain fourrés etc, local foods, etc). 27

195 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME 6. Proposed Mitigation measures to address potential adverse impact The potential adverse impacts can be addressed through the employment of local inhabitants, accommodating small suppliers and small outlets in the commercial area and through appropriate communication on religious activities. 1. Advertise vacancies for people living in the vicinity This project has the potential to make a significant difference in the lives of people in the neighbourhood looking to work opportunities close to home. Despite the lack of proper transport, living in the vicinity will still make it easier for the inhabitants to reach their place of work rather than having to travel long distances. 2. Create opportunities for small suppliers or small outlets Care should be taken that this project protects the livelihood of micro businesses, especially when it comes to readymade food providers. A designated area or small kiosks could be made available to those people who normally sell local foods in the area, thus allowing them to increase their clientele and also adding more folklore to the landscape, which could also be appealing to those residing the block. 3. Communicate on religious diversity of the island to residents In an attempt to make the incoming residents feel more at ease and accepting of the local practices, the promoters should ensure that the religious diversity and general practices are communicated to the target group beforehand. Be it with regards to the Tamil temple or call of the Mosque during various times of the day, so that noise arising from these activities are not perceived as nuisance. Community development In the light of the different gaps and weaknesses observed with respect to the social amenities and the social environment, UPL has decided to come up with a number of actions that will bring a marked improvement in social life in the surrounding area, in particular in Les Salines and Cassis. The measures will be described at length in the Social Needs Analysis report. These will be financed from the Social Fund as per the requirement of the Property Development Scheme. The proposed Social Development Programme will in priority address the provision of a quality leisure space for the inhabitants of the locality. 28

196 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Appendix- Questionnaire 29

197 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME QUESTIONNAIRE FOR A SOCIAL IMPACT ASSSSEMENT REGARDING A REAL ESTATE DEVEOPMENT UNDER THE PROPERTY DEVELOPMENT SCHEME Name (Optional): Sex: Male Female Age: Locality: Place of work: No. of persons in your household: Age Profession (if any) Relationship 1. How do you commute to work (if applicable)? By car By bus By shuttle On foot 2. Is it easy for you to get to work/school every day? Yes No Please explain 3. Where do you commonly do your shopping (food and beverages)? Shop Supermarket Market Other (Specify) 4. Where do you go to do your shopping? In your locality itself In Port Louis Centre 30

198 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Other (Specify) 5. How often do you shop? Twice a week Weekly Every two week Every month Rarer 6. How would you rate shopping facilities in the area (Food and others), 1 being very good and 5 being very poor Comments: 7. In case of illness where do you prefer to go? Why? Community Health Centre Hospital Clinic Private physician 8. In case of emergency, where would you go? Why? Community Health Centre Hospital Clinic Private physician 9. What do you do in your leisure time? 10. What do you do in your leisure time in the locality? Go to Edward Hart Garden Everyday Thrice a week Twice a week Weekly Every two weeks Rarer 31

199 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Running/ Jogging Petanque Football Swimming Boxing Badminton Group Yoga Other If other, please specify 11. Given the facility, what would you like to do? 12. How often do you go to Caudan? Twice a week Weekly Every two weeks Every month Rarer 13. What do you think about a supermarket in the Caudan area? 14. What do you think about the following new facilities in the Caudan area (but not on the waterfront)? Please rate on a scale of 1 to 5 (1 very good idea, 5 very bad idea) Specialty shops Physicians (cabinet medical) Pharmacy Apartments A food court Parking space 32

200 SOCIAL IMPACT ASSESSMENT FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME 15. In your opinion, what social facilities are missing in your area? 16. What social problems does your area face? 33

201 UNITED PROPERTY LTD SOCIAL NEEDS ANALYSIS QUAY HEIGHTS PDS PROJECT JUNE

202 Tel: , Frère Félix de Valois Street Fax: Port Louis, Mauritius P.O. Box 799 Mr Nitin Pandea Managing Director United Property Ltd/United Docks Ltd Kwan Tee Street Port Louis June 20, 2017 Dear Sir, SOCIAL NEEDS ANALYSIS REPORT We are pleased to submit herewith a social needs analysis report for the mixed-use development project Quay Heights in Caudan. The report should be read in conjunction with the Social Impact Assessment Report submitted in a separate document. We thank you for trusting our services. Yours sincerely BDO & Co. 1

203 SOCIAL NEEDS ANALYSIS FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME This report is based on the findings of the Social Impact Report. The needs have been assessed through observations by the consultants as well as through interviews and discussions with the relevant stakeholders, namely the community, civil society, NGOs, decision-makers and the promoter. 1. Our Observations and Findings Robert Edward Hart Garden/ Leisure park There is not a wide range of activities available besides the garden, the gymnasium and the swimming pool. People living in the region of Les Salines and Cassis regularly come to the garden to practice walking and jogging especially in the evening. There is a significant green space. The sports and leisure facilities include an outdoor gym, children playground equipment and a synthetic football ground. Most of the facilities (besides the football ground which is in good state) are in a derelict state. The area in and around Robert Edward Hart garden has been reported not to be safe during the day or late evening/night. R. Seeneevassen Government School The school has a population of 180 students from kindergarten to Grade 6. There is no quality playground for the kindergarten and there are very few green plants in the school yard. It has been reported to us that most of the children come from vulnerable groups. While they are provided with books freely by the Ministry of Education, they do lack stationery such as copybooks and pencils. Community activities The Municipality of Port Louis owns and manages a polyvalent centre in Cassis, which accommodates a nursery, a kindergarten, a library and other rooms used for sports/ fitness classes. The nursery is equipped with very old baby cots, the playground equipment is broken and the library has no internet. The football ground adjacent to the centre is however widely used by people in the area. Social ills People interviewed have reported that drug abuse represents a social concern in the area. This concerns a high number of young people and. The area health centre in Cassis, was at the time of the field work, responsible for the distribution of methadone to drug addicts on a daily basis. 2

204 SOCIAL NEEDS ANALYSIS FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Commerce/ Services There are no Bank ATMs in the geographical proximity of Les Salines and Cassis. Caudan waterfront is located at a distance, especially for those who do not have a car. There are several micro shops (tabagies) and street vendors where people buy/eat food for convenience in the absence of better choice. There is a pharmacy in Les Salines but it closes at while the area health centre is not open on a 24 hour basis. Transport There is not enough parking near the school or key businesses. Bus frequency has been observed to be irregular, implying long waiting times. There are practically no bus shelters at bus stops. 2. Social development programme The social development programme of UPL would address a few of the above mentioned needs as it is practically impossible to remedy to all the problems of the area. Hence, a prioritisation of the needs has been done and the programme retained is one that suits the PDS Social Fund of the company, estimated at Rs 12 million. It can also be highlighted that the implementation of the programme will be continuous, hence allowing a continuity in engaging with the community over the years. One project will consist of a donation of a plot of land of around 144 square metres to a socio cultural organization. The land will be used to build a polyvalent centre, which will be equipped with a good outdoor gym and a children playground. This will be a safe and green area for inhabitants of the locality where they can come and enjoy sports/ leisure activities in an attractive environment. This plot of land will also accommodate a kalimaye which has been moved from another site belonging to UPL but which was set up without any approved permission from the land owner. The promoter is also making provision for waste recycling facilities and environment greening through a tree and plant project in the locality. Various seedlings and plantlets will be put to earth in strategic locations with a view to improve the quality of the environment. The initial investment is likely to be much more significant given the cost of some of the equipment being recommended. Prior to these investments, there will be meetings and discussions with the beneficiaries and partners. The alternative scenario could have been the donation of equipment to existing sports/ leisure grounds. However, it has been observed that equipment and facilities installed by the Municipality of Port Louis in both Les Salines and Cassis have been damaged and even stolen. Hence, the promoter is opting for investing in an owned-managed facility where it will put in place the necessary security to ensure the long-term use and life of these equipment. 3

205 SOCIAL NEEDS ANALYSIS FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME It is to be noted moreover that one or more bank ATMs could be installed in the commercial are of the property. A food corner with small businesses could be accommodated. A pharmacy that opens longer hours and which opens early in the morning will add significant value to the residents and inhabitants. With a view to enhance the employability of young people in the region, a training programme is being proposed that will cover a set of skills that will be in high demand (IT, E-Business, communication, web, graphics and Entrepreneurship) in the new development project. After completion of training, a database will be set up and new recruitment will give priority to the trainees. UPL will after each quarter, report to the Board of Investment, on the progress and monitoring of the programme. Cost Estimates of the Social Development Programme Items Donation of land to a socio cultural organisation for a Polyvalent centre Description of Investment 144 square metre plot of land to a socio cultural organisation (land only valued at Rs 6,000,000) Proposed Investment Time Frame (Rs) (Years) 8,500,000 Year 1 Skill development programme Kids playground Transport Training programme (focusing on high demand skills) targeting young people living in the region One set with slides (early and late childhood) Pre-school spring riders (animal/ cartoon) Bus shelters and amenities in the area of Les Salines/ Cassis 2,000,000 Year 1 500,000 Year 1 500,000 Year 2 Employment Employment on the site Taken care of directly in the project Commerce/ services One or more bank ATMs in the commercial area Taken care of directly in the project Environmental embellishment Waste recycling facilities and greening 500,000 Total 12,000,000 4

206 SOCIAL NEEDS ANALYSIS FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME Bus shelter with bench Children playground 5

207 SOCIAL NEEDS ANALYSIS FOR A MIXED-USED DEVELOPMENT PROJECT UNDER THE PROPERTY DEVELOPMENT SCHEME 6