PROPOSED OIL FARM of 250000 MT CAPACITY AT MER ROUGE Mer FOR Rouge Oil Storage Terminal (MOST) ENVIRONMENTAL IMPACT ASSESSMENT REPORT (E.I.A) December 2014
TABLE OF CONTENTS Title Page (i) Table of Contents (ii) List of Tables (v) List of Figures (vi) List of Plates (vi) List of Annexes (vii) Executive Summary (x) Chapter 1. Introduction & Methods of Assessment of Impact 1 1.1 The Promoter 1 1.2 The Proposed Project 2 1.3 Job Opportunities 3 1.4 Need for an Environment Impact Assessment 4 1.5 Methods of Assessment of Direct Environment Impact 4 Chapter 2. Project Site Location & Description 6 2.1 Project Location/Surrounding 6 2.2 The Existing Oil Jetty 14 2.3 Zoning 17 2.4 Existing Surrounding Land Use 18 2.5 Ownership of Land 21 2.6 Access to Site 21 2.7 Existing Infrastructure & Public Utilities 22 2.8 Climatic Conditions 22 2.8.1 Air Temperature 23 2.8.2 Rainfall 24 2.8.3 Wind Speed & Direction 24 2.8.4 Cyclones 28 2.9 Geology, Landform & Soil Characteristics 28 2.10 Topography 28 2.11 Water Resources 29 2.12 Flora & Fauna 29 2.13 Value of Project Site as Designated Site 29 2.14 Cultural Heritage 29 2.15 Similar Projects 29 ii
Chapter 3 MARINE SURVEY 30 3.1 Introduction 30 3.2 Objective of the Marine Survey 30 3.3 Proposed Site Location 31 3.4 Tides 31 3.5 Methods of Assessment 33 3.5.1 Monitoring of Seawater Quality 33 3.5.2 Marine Biodiversity Surveys 34 3.6 Results & Discussions 37 3.6.1 Sea Water Quality 37 3.6.2 Marine Biodiversity 38 3.7 Conclusions 43 Chapter 4 PROJECT DESCRIPTION 44 4.1 Project Description 44 4.2 The Dike Area 45 4.3 The Oil Tanks 47 4.4 The Pipelines 51 4.5 The Pumping Station 53 4.6 Ancillary Buildings 54 4.7 Fire-Fighting Systems 55 4.8 Provision of Electricity Supply System 60 4.9 Provision of Lighting on Proposed Site 64 4.10 Instrumentation & Control Systems 65 4.10.1 Fuel Farm Control and Monitoring 65 System (FFCMS) 4.10.2 Control Description 66 4.10.3 System Description 67 4.10.4 Emergency Shutdown System 67 4.10.5 Pump Control 67 4.10.6 Instrumentation Requirements 68 4.10.6.1 Instrument in Hazardous 68 Areas 4.10.6.2 Instrument Cables 69 4.10.6.3 Cable Glands 69 4.10.6.4 Actuators 69 4.10.6.5 Level Measurement 69 iii
4.10.6.6 Flow Measurement 70 4.10.6.7 Hydrocarbon Detector 70 4.10.6.8 Safety Functions 70 4.11 Main/internal Road Accesses & Parking Spacing 70 4.12 Security 71 4.13 Set Backs 71 4.14 The Project Team 71 4.15 Implementation Schedules 72 4.16 Alternative To Proposed Project 72 4.17 Statutory, Legal & Institutional Clearances & 72 Permits 4.18 Project Justification 73 Chapter 5 PREDICTED ENVIRONMENTAL IMPACTS 74 5.1 The Rationale 74 5.2 Impact Identification 75 5.3 Impact During Construction Stage 75 5.3.1 Disruption Due to Construction 75 5.4 Impact During Operational Phase 76 5.4.1 Oil Spill 76 5.4.2 Impact of Diesel 78 5.4.3 Domestic Wastewater 81 5.4.4 Storm run-off 81 5.4.5 Solid Waste 81 5.4.6 Air Emissions 82 5.4.7 Traffic Impact 82 5.4.8 Flora & Fauna 82 5.4.9 Socio-Economic Impact 83 5.4.9.1 Ensuring Energy Security 83 5.4.9.2 Job Creation 83 Chapter 6. Mitigating Measures 84 6.1 Negative impact of the project 84 6.2 Disruption due to construction 84 6.3 Oil Spill at Sea During Offloading at Oil Jetty 85 6.4 Oil Spill on Land 87 6.5 Wastewater Disposal 89 6.5.1 Sewerage Treatment and Disposal 89 iv
6.5.2 Storm Water Run-off 89 6.6 Solid Waste Disposal 91 Chapter 7. Environmental Management Plan during Implementation & Operational Stage 92 7.1 EMP During Construction 92 7.1.1 Dust 92 7.1.2 Fumes 92 7.1.3 Noise Pollution 92 7.1.4 Measures to be Implemented by Prospective Contractors 93 7.2 EMP During Operation Stage 94 7.3 Environmental Monitoring Matrix Plan 94 Construction Phase 7.4 Environmental Monitoring Matrix Plan Operation Phase 94 Chapter 8. Conclusion 98 References 100 LIST OF TABLES Table 1.1 Existing Oil farms & their capacities at the Port area 1 Table 2.1 Minimum distance between the plot of land and selected 13 features Table 2.2 Port Louis Land use sectors 18 Table 2.3 Monthly temperature recorded in Fort William 23 Table 2.4 Long term mean monthly rainfall in mm at Cite La Cure 24 rainfall gauge station Table 2.5 Percentage of wind frequencies at Fort William (1996 25 2005) Table 2.6 Wind directions & their respective % of time 26 Table 2.7 % of time of calm period at Fort William (1996-2005) 26 Table 3.1 Tides during the month of July 2014 32 Table 3.2 Coordinates of the 5 sampling points 33 Table 3.3 Comparison of physico-chemical properties of sea water with the guidelines of coastal water quality 37 Table 3.4 Mean and standard deviation (n=3) of percentage 38 substrate and coverage v
Table 3.5 Fish species encountered and relative abundance 41 Table 4.1 Comparison of standards for height of bund wall as well 46 as the intermediate bund wall, and the minimum required dike capacity Table 4.2 Category, characteristics and volumes of the tanks 48 Table 4.3 Siting of the tanks within the proposed plot of land 50 based on international standards/norms/regulations Table 4.4 Minimum distance of hydrocarbon station from plot 53 boundary Table 4.5 Minimum distance from building to tank and plot 54 boundary Table 4.6 Relevant distance of Fire station from tanks and plot 60 boundary Table 4.7 Types of control of pump 67 Table 4.8 Minimum set-backs of selected features 71 Table 5.1 Assessment groups on which to assess impacts 75 Table 7.1 Environmental Monitoring Matrix Plan Construction 95 Phase Table 7.2 Environmental monitoring matrix plan Operational Phase 97 LIST OF FIGURES Figure 2.1 Monthly wind rose over the period of 1996 2005 at Fort 27 William for January June Figure 2.2 Monthly wind rose over the period of 1996 2005 at Fort 27 William for July December Figure 3.1 The % sand and rock cover 39 Figure 3.2 % coverage 40 Figure 4.1 Schematic representation of installation of the 56 proportioner Figure 6.1 Parallel-plate oil-water separator 90 LIST OF PLATES Plate 2.1 The subject site 6 vi
Plate 2.2 The road access along the North-western boundary of 7 the proposed site Plate 2.3 The existing rock revetment and the sea from the north 7 western boundary of proposed site Plate 2.4 Bare land adjoining the South-western boundary of the 8 proposed site and thereafter the Petredec Ltd building. Plate 2.5 Bare land adjoining the south-western boundary of the 9 proposed site Plate 2.6 The tarred road access adjoining the south-eastern 10 boundary of the proposed site and thereafter the Coal Terminal Management site. Plate 2.7 The Indian oil terminal adjoining the north-eastern 11 boundary of the proposed site Plate 2.8 The Oil jetty 15 Plate 2.9 A petroleum tanker at the Oil Jetty 15 Plate 2.10 Pipelines along the oil jetty 16 Plate 2.11 Different Pipelines along the oil jetty 16 Plate 2.12 Accessories for unloading oil products from petroleum 17 tankers on the oil jetty platform Plate 2.13 Rock revetment works 19 Plate 2.14 Land reclaiming activities 20 Plate 2.15 Containment of sediments during land reclaiming work 20 Plate 2.16 Loading & unloading activities of containers from ship 21 Plate 3.1 Location of the site 31 Plate 3.2 Locations of the 5 sampling points 34 Plate 3.3 Area of the marine survey 35 Plate 3.4 Plate 3.5 One pile of the jetty covered with turf algea and few corals Coral species around the oil jetty, mostly of Favites sp. and Porites sp. 39 41 vii
Plate 3.6 From upper left to bottom right. School of the fish Caesio caerulaurea; Fish (Lutjanus kasmira) under the oil jetty; Ostracion cubicus under the oil jetty; Arothron nigropunctatus and Lutjanus kasmira under the oil jetty. 42 Plate 3.7 From upper middle to bottom right. Marine organisms 43 inside the sand; Sponges growing next to oil jetty; Sponges growing under the oil jetty. Plate 4.1 A typical Proportioner 56 Plate 4.2 Typical fire hydrant 57 Plate 4.3 Typical gun monitor 57 Plate 4.4 Typical water curtain 58 Plate 5.1 Diesel spill on road forming the rainbow and silver 79 sheens Plate 5.2 Diesel spill at sea 79 Plate 6.1 Parallel-plate oil-water separator 90 LIST OF ANNEX Annex A1 Copy of Certificate of Incorporation and Business Registration Card of MOST Annex A2 List of standards/norms/regulations Annex B1 Location, Site & Topographical Plan Annex B2 Context Plan Annex B3 Land Use Map of Port Louis Harbour Area Annex B4 Copy of Reservation of Plot of Land letter from MPA dated 27 th November 2014 Annex B5 Geotechnical Investigation Report Annex C1 Guidelines for Coastal Water Quality Requirements Annex D1 Proposed Oil Farm Layout Plan Annex D2 Copy of MPA letter dated 17 July 2014 Annex D3 Tank Design Calculation Note Annex D4 MOGAS Tank Details Drawing Annex D5 Diesel Tank Details Drawing Annex D6 Piping Hydrocarbon Layout Plan Annex D7 PID of the Hydrocarbon Pumping Station Annex D8 Piping Firefighting Layout Plan Annex D9 Firefighting PID viii
Annex D10 Specifications of Firefighting Equipment Annex D11 Details of Electricity Requirements of the Proposed Oil Farm Annex D12 LV/HV Line Diagram Annex D13 Electrical Guide Drawing of Outdoor Lighting Annex D14 The Network Architecture Principle Annex D15 List of Instrumentation Items Annex D16 Project Plan Annex F1 Proposed Storm Run-Off Drainage Layout Plan Annex F2 Copy of letter of intent to collect oil sludge from the proposed oil farm from Eco-fuel Ltd Annex F3 Copy of letter of intent to collect oil sludge from the proposed oil farm from Virgin Oil Co Ltd ix