FOR. Mer (MOST) (E.I.A)

Transcription

1 PROPOSED OIL FARM of MT CAPACITY AT MER ROUGE Mer FOR Rouge Oil Storage Terminal (MOST) ENVIRONMENTAL IMPACT ASSESSMENT REPORT (E.I.A) December 2014

2 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 The Promoter The Proposed Project Job Opportunities Need for an Environment Impact Assessment Methods of Assessment of Direct Environment Impact 4 Chapter 2. Project Site Location & Description Project Location/Surrounding The Existing Oil Jetty Zoning Existing Surrounding Land Use Ownership of Land Access to Site Existing Infrastructure & Public Utilities Climatic Conditions Air Temperature Rainfall Wind Speed & Direction Cyclones Geology, Landform & Soil Characteristics Topography Water Resources Flora & Fauna Value of Project Site as Designated Site Cultural Heritage Similar Projects 29 ii

3 Chapter 3 MARINE SURVEY Introduction Objective of the Marine Survey Proposed Site Location Tides Methods of Assessment Monitoring of Seawater Quality Marine Biodiversity Surveys Results & Discussions Sea Water Quality Marine Biodiversity Conclusions 43 Chapter 4 PROJECT DESCRIPTION Project Description The Dike Area The Oil Tanks The Pipelines The Pumping Station Ancillary Buildings Fire-Fighting Systems Provision of Electricity Supply System Provision of Lighting on Proposed Site Instrumentation & Control Systems Fuel Farm Control and Monitoring 65 System (FFCMS) Control Description System Description Emergency Shutdown System Pump Control Instrumentation Requirements Instrument in Hazardous 68 Areas Instrument Cables Cable Glands Actuators Level Measurement 69 iii

4 Flow Measurement Hydrocarbon Detector Safety Functions Main/internal Road Accesses & Parking Spacing Security Set Backs The Project Team Implementation Schedules Alternative To Proposed Project Statutory, Legal & Institutional Clearances & 72 Permits 4.18 Project Justification 73 Chapter 5 PREDICTED ENVIRONMENTAL IMPACTS The Rationale Impact Identification Impact During Construction Stage Disruption Due to Construction Impact During Operational Phase Oil Spill Impact of Diesel Domestic Wastewater Storm run-off Solid Waste Air Emissions Traffic Impact Flora & Fauna Socio-Economic Impact Ensuring Energy Security Job Creation 83 Chapter 6. Mitigating Measures Negative impact of the project Disruption due to construction Oil Spill at Sea During Offloading at Oil Jetty Oil Spill on Land Wastewater Disposal Sewerage Treatment and Disposal 89 iv

5 6.5.2 Storm Water Run-off Solid Waste Disposal 91 Chapter 7. Environmental Management Plan during Implementation & Operational Stage EMP During Construction Dust Fumes Noise Pollution Measures to be Implemented by Prospective Contractors EMP During Operation Stage 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 ( ) Table 2.6 Wind directions & their respective % of time 26 Table 2.7 % of time of calm period at Fort William ( ) 26 Table 3.1 Tides during the month of July 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

6 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 at Fort 27 William for January June Figure 2.2 Monthly wind rose over the period of 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

7 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 vii

8 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

9 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