QPM Ltd. Tender Document _1020

Transcription

1 Bill No. 1 : PRELIMINARIES 1.01 CONTRACT: Allow for complying with obligations and liabilities in, or implied by the contract documents and for all necessary temporary and ancillary works. Mobilisation and demobilisation of all necessary plant. Provide all necessary insurance as required by the conditions of contract. Provide for the co-ordination and execution of the total works for the work of sub-contractors appointed by Contractor. Provision of competent supervision during the duration of the works SPECIFICATIONS: Allow for all necessary instruments, materials and testing, contained or implied by the specifications Allow for the supply of samples and materials for testing. Retain approved samples in good, clean condition on site for comparison with product used in the Works. Before starting work, allow for examining all available information, allow for carrying out all surveys, setting out of works, agreeing levels including the provision and erecting permanent setting out marks of the quantity and quality as required by the Architect. Submit a survey report and method statements to the Architect covering all relevant matters listed below The form, condition and demolition methods of the structure(s). The form, location and removal methods of any toxic or hazardous materials. The type and location of adjoining or surrounding premises which may be adversely affected by noise, vibration, dust or removal of structure. The identification and location of services above and below ground HEALTH & SAFETY: Allow for protecting at all times the whole of the works, including providing screens, fans, planked footways, guardrails, warning lights and similar items as required and as deemed necessary at all times by the Architect Ensure that means of escape from the property in the event of fire are maintained for the duration of the Works. Take adequate precautions to protect site operatives and the general public from health hazards associated with dangerous fumes and dust arising during the course of the Works. Allow for complying with Health & Safety regulations. Allow for services rendered by Consultant Health & Safety Officer SECURITY: Adequately safeguard the site, the Works, materials arising, products, plant, and any existing buildings affected by the Works from damage and theft. Take all reasonable precautions to prevent unauthorised access to the site, the Works and adjoining property MAINTENANCE: Allow for continuously keeping the site clean and in a workmanlike condition free from debris, surplus materials and any other type of loose matter, which will disturb the proper conditions of any roads or adjoining structures. Reduce dust by periodically spraying demolition works with water. Page 1 of 15

2 Adequately maintain roads and footpaths within and adjacent to the site and keep clear of mud, debris and obstructions. Any damage to roads and footpaths caused by site traffic or otherwise consequent upon the Works must be made good to the satisfaction of the Local Authority or other owner. Bear any costs arising. C/F - Bill No. 1 : Preliminaries Cont'd B/F - Allow for sweeping and cleaning / washing of all access roads pertaining to the Site of works at times deemed appropriate to keep the roads clean and dust free at all time FIRE: Take all necessary precautions to prevent personal injury, death, and damage to the Works or other property from fire EXISTING SERVICES: Notify all service authorities and/or adjacent owners of the proposed works not less than one week before commencing site operations. Observe service authority's recommendations for work adjacent to existing services. Adequately protect and prevent damage to all services. Do not interfere with their operation without consent of the service authorities or other owners. Replace any marker tapes or protective covers disturbed during site operations to the service authority's recommendations. Allow for providing, maintaining and removing all necessary temporary services, including fresh water, compressed air, electrical supplies, telephone, etc. Disconnection and removal of existing mechanical and electrical systems and cart-away off-site, including water-tanks, pipes, airconditioning units, etc. Allow for the supply and consumption of water and electricity required for the works GENERAL: Allow sum to carry-out modifications to site as necessary to allow plant and equipment access into the site and making-good to original state on completion. Allow for the provision of site office accommodation. Allow for site-storage as required by the works. Allow for providing site lighting Allow for police and local council permits as required by works. Page 2 of 15

3 Total Carried to Cost mary - Bill No.2 : MASONRY WORKS mm tk softstone wall, quarry faced both sides in foundations. m² Composite wall - 460mm tk softstone, quarry faced both sides; comprising two skins 230mm tk with no cavity in foundations. m² / 180mm tk softstone wall, fair faced & flush pointed both sides. m² mm tk softstone wall, fair faced & flush pointed both sides. m² Composite wall - 460mm tk softstone, fair faced & flush pointed both sides; comprising two skins 230mm tk and 150mm tk with 80mm cavity. m² Composite wall - 460mm tk softstone, fair faced & flush pointed both sides; comprising two skins 230mm tk with no cavity. m² Supply and install 230mm tk softstone lintols not exceeding 1.00m. Nr Supply and install 230mm tk softstone lintols not exceeding 1.50m. Nr Supply and install 230mm tk softstone lintols not exceeding 2.00m. Nr mm tk HCB wall, facework & flush pointed both sides. m² mm tk HCB wall, facework & flush pointed both sides. m² mm tk HCB wall single density type, facework & flush pointed both sides. m² 1, mm tk HCB wall double density type, facework & flush pointed both sides. m² Composite wall - 460mm tk HCB, facework & flush pointed both sides; comprising two skins 230mm tk single density with no cavity. m² Composite wall - 460mm tk HCB, facework & flush pointed both sides; comprising two skins 230mm tk double density with no cavity. m² Extra over for concrete Grade C20 infill to 150mm tk HCB single density. m² Extra over for concrete Grade C20 infill to 230mm tk HCB single density. m² 1, Extra over for concrete Grade C30 infill to 230mm tk HCB single density. m² Extra over for formation of angles, skewed corners (each skin measured separately, any thickness, HCB & softstone). m Extra over for toothing new soft stone walls to existing walls. Nr Extra over for formation of chase (ingall) to accommodate suspended slab. m Extra over for formation of soft stone horizontal /vertical moulded m Extra over for formation of 'membri' (vertical & horizontal, any thickness, HCB & softstone). m Extra over for formation of softstone dressing (tlibissa) to balconies. m 1.00 Page 3 of 15

4 2.25 Extra over per face single skin walls curved on-plan. m² Extra over for formation of softstone recess (imbrol). m 1.00 C/F Bill No.2 : Masonry Works Cont'd B/F 2.27 Extra over for formation of softstone strips, bands (faxex lixxi). m Extra over for pointed type (fuq il-fil) masonry finish. m² Extra over for formation of splayed edges. m Extra over for formation of voisours (samrotti). Nr 1.00 Page 4 of 15

5 Total Carried to Cost mary - Bill No.3 : CONCRETE WORKS 3.01 Grade C15, tk not exceeding 150mm, unreinforced, poured on or against earth or unbinded hardcore. m³ Grade C15, tk not exceeding 150mm, unreinforced, laid to falls on or against earth or unbinded hardcore. m³ Grade C15, mass, unreinforced, between HCB and rock face. m³ Grade C20, reinforced, unreinforced, cavity filling (reinforcement measured separately). m³ Grade C25, reinforced, in strip footings inclusive of all necessary formwork (reinforcement measured separately). m³ mm x 75mm sand cement fillet. m Grade C25, reinforced, in isolated foundations inclusive of all necessary formwork (reinforcement measured separately). m³ Grade C25, reinforced, in beds inclusive of all necessary formwork (reinforcement measured separately). m³ Grade C25, reinforced, in ground beams inclusive of all necessary formwork (reinforcement measured separately). m³ Grade C20, tk not exceeding 250mm, reinforced, in ground slab inclusive of all necessary formwork (reinforcement measured separately). m³ Grade C20, unreinforced, tk not exceeding 100mm, to 230mm tk walls, in made-up piece over ground slab to receive wall inclusive of all necessary formwork. m³ Grade C30, reinforced, in rectangular columns inclusive of all necessary formwork (reinforcement measured separately). m³ Extra over, ditto for circular columns. m³ Grade C20, reinforced in concrete walls inclusive of all necessary formwork (reinforcement measured separately). m³ Grade C20, part course to 230mm tk walls, in pad stones or spreader beams (suletta) inclusive of all necessary formwork (reinforcement measured separately). m³ Grade C30, reinforced, in lintols inclusive of all necessary formwork (reinforcement measured separately). m³ Grade C30, reinforced, in upstand/ down stand beams inclusive of all necessary formwork (reinforcement measured separately). m³ Grade C30, tk not exceeding 150mm, in suspended slab inclusive of all necessary formwork (reinforcement measured separately). m² Extra over for addition 25mm Grade C30, tk in suspended slab. m² 1, Extra over, ditto for cantilevering slabs (balconies). m² Grade C30, reinforced, in straight stairs and landings inclusive of all necessary formworks (reinforcement measured separately). m Page 5 of 15

6 3.22 Extra over, ditto for circular stairs. m 1.00 C/F - Bill No.3 : Concrete Works Cont'd B/F Grade C30, removable fibre reinforced flagstones complete as shown in detail 2 section 4 in LS5-(20)-Z-(-)-085 (reinforcement measured separately). Rate includes for all necessary preparatory work and sealing prior to backfilling (by other). m² Grade C35, tk not exceeding 125mm, reinforced, in topping inclusive of all necessary formwork (reinforcement measured m³ Grade C25, concrete grouting to precast concrete slabs. m Grade C20, 100mm tk to 230mm tk walls, unreinforced, in coping inclusive of all necessary formwork, splayed top edge. m Extra over for using Concrete: C35 instead of C30. m³ C30 instead of C25. m³ C25 instead of C20. m³ C20 instead of C15. m³ Extra over for application of approved surface hardener. m² Extra over for power float surface finish to slabs. m² Extra over for broom surface finish to slabs. m² Extra over for trowelling of concrete surface, to take self-adhesive membrane. m² Extra over for fair faced formwork finish for in-situ concrete. m² Extra over for dust inhibiter to slabs. m² Extra over for formwork left in place rate. m² Extra over for formation of ramps / slopes. m² Extra over for erection of scaffolding exceed 3.00m for construction of concrete elements. m³ Extra over for formation of recess (drip moulds) in concrete m Extra over for formation of chamfered edges to concrete elements. m Formation of saw cut expansion joints (filling with approved material measured separately). m Supply, cut and installation of polystyrene 50mm thick sheeting placed between beams and walls (maximum width 230mm). m² Construction of concrete C25 jambs to hollow concrete walls. m³ Extra over for Sika 1 (or approved equivalent) m³ Extra over for Plastocrete N. Grade C20 Concrete m³ 1.00 Grade C25 Concrete m³ 1.00 Grade C30 Concrete m³ 1.00 Page 6 of 15

7 Total Carried to Cost mary - Bill No.4 : STEEL REINFORCEMENT 4.01 Supply, cut, bend and fix steel bar reinforcement: a 10mm diameter Kg b 12mm diameter Kg 1, c 16mm diameter Kg 7, d 20mm diameter Kg e 25mm diameter Kg f 32mm diameter Kg g Extra over for stirrups Kg Supply, cut, bend and fix steel mesh fabric reinforcement: a A 98; weighing 1.54kg/m2; lapped a minimum of 150mm m² 1.00 b A252; weighing 3.95kg/m2; lapped a minimum of 150mm m² c A393; weighing 6.16kg/m2; lapped a minimum of 150mm m² d A503; weighing 7.90kg/m2; lapped a minimum of 150mm m² 1.00 e B503; weighing 5.93kg/m2; lapped a minimum of 150mm m² f C503; weighing 4.34kg/m2; lapped a minimum of 150mm m² Page 7 of 15

8 Total Carried to Cost mary - Bill No.5 : ROOFING WORKS 5.01 Supply and installation of 50mm tk polystyrene insulation layer. m² - Rate Only 5.02 Supply, spread and level 80mm average tk torba laid to falls (3/8" and sand). m² mm tk unreinforced concrete grade C25 in roof screed laid to falls. m² Formation of 50 x 50mm cement sand triangular fillet at junction between roofer and parapet walls. m Chase soft stone parapet walls to accommodate water proofing membrane. m Supply and installation hot weld 4.0mm proof membrane including 2 coats of liquid bitumen to roof screed, over-laps and turn-ups. m² Ditto, where membrane is embedded in HCB courses along the perimeter of the roof, formation of joint in wall filled with epoxy nonshrink grout. m Page 8 of 15

9 Total Carried to Cost mary - Bill No.6 : WATERPROOFING WORKS 6.01 Supply and installation of 4mm thick damp proof membrane in foundations including over-laps and turn-ups: a Horizontally m² b Vertically m² Supply, lay, bond and tie geotextile Horizontally/ vertically m² 1.00 To French drains m² Supply and lay gauge 1000 polythene sheeting m² Supply and lay damp proof course a Plastic type m 1.00 b Lead type m Supply and installation of 2 coats of liquid bitumen to structure to receive water proof membrane. m² 1.00 Page 9 of 15

10 Total Carried to Cost mary - Bill No.7 - DAYWORKS STAFF & LABOUR 7.01 Clerk of Works Hr Foreman Hr Mason Hr Concerters Hr Carpenter Hr Steel Fixer Hr Plumber Hr Electrician Hr Drain layer Hr Land Surveyor Hr Skilled Labourer Hr Unskilled Labourer Hr 1.00 PLANT & EQUIPMENT Rates for equipment are to be inclusive of the respective operator and all ancillary items required to setup the equipment on site. Rates will only be paid for the actual hours of operation Compressor Hr Hydraulic Excavator Hr Mini Excavator Hr Mobile Crane : 7-15 tonnes Hr Mobile Crane : 40 tonnes Hr Lorry Tipper : up to 12m3 Hr Lorry Tipper : up to 20m3 Hr Fixed Body Lorry : up to 12m3 Hr Fixed Body Lorry : up to 20m3 Hr Dumper (1.00cm capacity) Hr Skip hire Nr Self-priming pump Hr Chaser, small tools etc. Hr Hydraulic Excavator Hr Mechanical Shovel Hr 1.00 Page 10 of 15

11 7.28 Mechanical Trencher - 300mm wide Hr Mechanical Trencher - 600mm wide Hr 1.00 C/F - Bill No.8 : Dayworks Works Cont'd B/F Mechanical Trencher - Rotary Drum Cutter Hr Hand held tools - Chaser Hr Hand held tools - Jigger Hr Tower crane (up to 25 tonnes), including operator and bankman day Tower crane (up to 50 tonnes), including operator and bankman day Tower crane (up to 25 tonnes), including operator and bankman day Tower crane (up to 50 tonnes), including operator and bankman day Proprietary scaffolding including assembly and disassembly 7.38 Height up to 4.50m (per m2 of floor area per week) week Height above 4.50m (per m2 of floor area per week) week 1.00 Hollow concrete blocks, delivered site mm thickness each mm thickness each mm thickness, single density each mm thickness, double density each 1.00 Masonry limestone fair faced both sides, delivered to site per batch (vjegg) mm thickness vjegg mm thickness vjegg mm thickness vjegg 1.00 Plain Concrete 7.47 Grade C10 m³ Grade C15 m³ Grade C20 m³ Grade C25 m³ Grade C30 m³ Grade C35 m³ Grade C40 m³ 1.00 Payment for materials will be the prime cost including cost of delivery to site. Tenderers are to enter below their percentage to be added for expenses and overheads, profit and obligations whatsoever Overhead Percentage to be added % Page 11 of 15

12 7.55 Profit Percentage (cost over and above overhead cost above) % Total Carried to Cost mary Bill No.8 - MISCELLANEOUS WORKS 8.01 Supply, hoist, spread and level selected imported fill (Type 1 Aggregate) in foundations. m³ Supply, hoist, spread and level imported fill (zrar tal- franka) to the required levels. m³ Supply, hoist, spread and level imported fill (zrar tal- qawwi) to the required levels. m³ Manufacture, supply and installation of precast concrete roofing slabs: a 150mm tk. m² 1.00 b 175mm tk. m² 1.00 c 200mm tk. m² 1.00 d 230mm tk. m² 1.00 e 250mm tk. m² 1.00 f 300mm tk. m² 1.00 g 350mm tk. m² 1.00 h 410mm tk. m² 1.00 i 460mm tk. m² 1.00 j 350mm tk. (heavy) m² 1.00 k 460mm tk. (heavy) m² Manufacture, supply and installation of precast inverted T-Beams and bricks to roofing slabs, inclusive of 75mm concrete grade C25 topping. a Single T-Beam and bricks 5" tk. m² 1.00 b Single T-Beam and bricks 7" tk. m² 1.00 c Single T-Beam and bricks 9" tk. m² 1.00 d Double T-Beam and bricks 7" tk. m² 1.00 e Double T-Beam and bricks 9" tk. m² Complete rainwater drainage system as shown in detail 4 in drawing LS5-(20)-Z-(-)-086. Rate is to include for all necessary preparatory works, fixtures and fittings, and coordination as required Supply and install 75mm Ø PVC pipe under ground slab as shown in Detail B on drawing LS5-(20)-Z-(-)-082 require by Enemalta for earthing purpose. Rate is to include for sealing, with liquid membrane, areas where pipe penetration occurs. (Provisional depending on Enemalta requirements) 8.08 Allow for coordination and sequencing of the works with the enabling works contractor for the interface between service culvert and substation ensuring that joints are properly aligned and sealed. Page 12 of 15

13 Total Carried to Cost mary - Bill No.9 : PLASTERING & PAINTING WORKS All work is to be cleaned, rubbed down and prepared before plastering and painting. Plaster is to be of a minimum thickness of 6mm using galvanised steel beads at all external corners, sills, etc. And galvanised steel plastered stops at all points where plaster ends. Surfaces are to be smooth finished (using fine sand paper), crack free and level and worked in accordance with good practice. all corner angles are to be truly vertical and plumb Preparation of surface for the application of the plastering works ensuring proper removal of loose material, dust, oils and similar foreign materials. m² Hacking of walls m² Forming all angles using plumb, level, straight and clean beading m 1.00 Internal Plastering 9.04 Supply and installation of 2 base coats (1 coarse + 1 fine) of cement based render to ceilings. m² Pointing to existing HCB / softstone walls to receive water based m² Supply and installation of 2 coats of water based paint in one colour to walls and soffits m² Extra over for 2 colours, one to walls and one to soffits m² Extra over for changes in colour m² 1.00 External Plastering 9.09 Supply and installation of 2 base coats of cementations polymermodified plaster to receive an acrylic based decorative finish m² Supply and installation of suitable primer to receive the specified finish m² Supply and installation of single coat of acrylic based, composite, decorative finish in silicate m² Supply and installation of single coat of acrylic based, composite, decorative finish in graffiato m² Extra over for coloured plaster (depends on colour) m² Supply and installation of single coat of sand and cement mixture (frakas) to receive paint m² Supply and installation of 2 coats of exterior paint m² 1.00 Page 13 of 15

14 Total Carried to Cost mary - Bill No.10 - NON - STRUCTURAL METAL WORKS All galvanized items are to be hot dipped, unless otherwise indicated in the technical specifications or drawings. The rates for galvanized steel metal doors, louvers, meshes, chequered plates and ventilators are to include : a) manufacturing, delivering to site and fixing in position of all apertures, etc. as described in these bills of quantities as specified. b) the necessary primer and paint finish to match Enemata standards (RAL colour to be specified by Architect). For Items to refer to Details 1 to 7 on Drawing No. LS5-(41)-Z-(-) Supply and install 2650mm x 2670mm x 50mm galvanized sheet metal door for sub station (ED 501) Nr Supply and install 1500mm x 2670mm x 50mm galvanized sheet metal door for switch gear room (ED 502) Nr Supply and install 1150mm x 2575mm x 50mm galvanized sheet metal door for service culvert (ED 503) Nr Supply and install 3000mm x 3500mm x 50mm galvanized louvred metal door for generator room (ED 514) Nr Supply and install 460mm x 530mm x 50mm galvanized metal frame and louvers fixed internally to jambs (EW 501, 502, 503, 504) Nr Supply and install 460mm x 530mm x 50mm galvanized metal frame and mesh (EW 501, 502, 503, 504) Nr Supply and install 800mm x 530mm x 50mm galvanized metal frame and louvers fixed internally to jambs (EW 505, 506, 507, 508) Nr Supply and install 800mm x 530mm x 50mm galvanized metal frame and mesh (EW 505, 506, 507, 508) Nr Supply and install 1600mm x 530mm x 50mm galvanized metal frame and louvers fixed internally to jambs (EW 509) Nr Supply and install 1600mm x 530mm x 50mm galvanized metal frame and mesh (EW 509) Nr For Items to refer to Details 2 and 2A on Drawing No. LS5-(16)-Z-(-) Supply and install 6mm tk galvanized chequered steel plate cover; width not exceeding 750mm; to trenches in switch gear room. m Supply and install 6mm tk galvanized chequered steel plate cover; width not exceeding 750mm; to trenches in substation. m Supply and install 6mm tk galvanized chequered steel plate cover including 50mm x 75mm T-sections spaced at 1m centres for reinforcement, width not exceeding 1500mm; to trenches in switch gear room. m Page 14 of 15

15 10.16 Supply and install complete galvanized trench cover angles including flat bar, steel plate, grouted angles and support cast in concrete. m Total Carried to Cost mary - Page 15 of 15