Environmental Management Plan (EMP)

Oman Oil Refineries and Petroleum Industries Co.Sohar Refinery, PO Box: 282Falaj Al Qabail, PC: 322, SoharSultanate of Oman

CB&I Nederland B.V.PrinsesBeatrixlaan 35 2595 AK, The Hague, The Netherlands

HMR ENVIRONMENTAL ENGINEERING CONSULTANTS

P.O. Box: 1295, CPO Seeb, Postal Code: 111

Sultanate of Oman

Tel: (968) 24618800 ; Fax: (968) 24618811

Email: [email protected]

www.hmrenv.com

Document No.: G-F000-5240-004

Environmental Management Plan

Natural Gas Liquid Extraction (Fahud)February 2015

Natural Gas Liquid Extraction (Fahud) Environmental Management PlanOrpic and CB&I HMR #3817

G-F000-5240-004 HMR ConsultantsMarch 2015 ii

Project No: HMR #3817

Issue and Revision

Rev. Document Description Issue DateHMR FEED/Company

Prepared Checked Approved Approved

0 G-F000-5240-004


Issued for FEED

06/03/2015 Radheshyam Stuart Stuart Noelia Benzal Martinez/ Fahd Sharaf

This document has been prepared for the above titled project and it should not be relied upon or used for any other project without the prior written authority of HMR Environmental Engineering Consultants. HMR Environmental Engineering Consultants accepts no responsibility or liability for this document to any party other than the client for whom it was commissioned.

Document No.: G-F000-5240-004


Natural Gas Liquid Extraction (Fahud)March 2015


G-F000-5240-004 HMR ConsultantsMarch 2015 iii

Table of Contents

1 ENVIRONMENTAL MITIGATION AND MONITORING PLAN.................................................. 6

1.1 Construction Phase Management............................................................................................... 6

1.1.1 Organisation and Responsibilities ................................................................................. 6

1.1.2 Site Security ................................................................................................................... 7

1.1.3 Site Preparation ............................................................................................................. 7

1.1.4 Sourcing of Construction Materials and Utilities.......................................................... 8

1.1.5 Air Quality Management................................................................................................ 8

1.1.6 Noise Management......................................................................................................... 8

1.1.7 Wastewater Management............................................................................................... 9

1.1.8 Waste Management........................................................................................................ 9

1.1.9 Handling and Storage of Hazardous Substances........................................................... 9

1.1.10 Labour Camps.............................................................................................................. 10

1.1.11 Mutual Aid ................................................................................................................... 10

1.1.12 Environmental Monitoring and Data Management..................................................... 10

1.2 Operational Phase Management............................................................................................... 11

1.2.1 Organisation Structure and Responsibility.................................................................. 11

1.2.2 Air Quality Management.............................................................................................. 11

1.2.3 Noise Management....................................................................................................... 12

1.2.4 Wastewater Management............................................................................................. 13

1.2.5 Waste Management...................................................................................................... 13

1.2.6 Storage and Handling of Hazardous Substances......................................................... 14

1.2.7 Transport Management................................................................................................ 14

1.2.8 Greenbelt Development................................................................................................ 14

1.2.9 Mutual Aid ................................................................................................................... 14

1.2.10 Environmental Monitoring Programme....................................................................... 15

1.2.11 Environmental Training and Awareness...................................................................... 15

1.3 Decommissioning and Site Restoration Phase Management ................................................... 15

1.3.1 Introduction.................................................................................................................. 15

1.3.2 Decommissioning......................................................................................................... 16

1.3.3 Site Restoration............................................................................................................ 16

1.3.4 Soil Conditioning ......................................................................................................... 16

1.3.5 Post-closure Monitoring .............................................................................................. 16

List of Tables

Table 1-1: Environmental Monitoring and Auditing Plan for Construction Phase.................................. 11

Table 1-2: Environmental Monitoring Program for Operational Phase................................................... 15

List of Figures

Figure 1-1: Organization Structure for HSE for Construction Phase ........................................................ 7


G-F000-5240-004 HMR ConsultantsMarch 2015 iv

Abbreviations and Acronyms

°C Degree Centigrade

ALARP As Low As Reasonably Practicable

BAT Best Available Technique

BRC Beyond Regulatory Control

CAAQMS Continuous Ambient Air Quality Monitoring System

CB&I Chicago Bridge and Iron Co

CCP Central Processing Plant

CH4 Methane

CO Carbon Monoxide

CO2 Carbon dioxide

dB (A) Decibel (A-weighted)

DGCA Directorate General of Climate Affairs

DGEA Directorate General of Environmental Affairs

DM Demineralised

EIA Environmental Impact Assessment

EIL Engineers India Limited

EHS Environment, Health and Safety

EPC Engineering Procurement Construction

FCS Fahud Compression Station

FEED Front End Engineering Design

FG Fuel Gas

g gram

GGP Government Gas Plant

GHG Greenhouse Gases

GLC Ground level concentration

GT Gas Turbine

ha hectares

HDPE High density polyethylene

H2S Hydrogen Sulfide

HFC Hydrofluorocarbons

HMR HMR Environmental Engineering Consultants

HSEMS Health Safety and Environmental Management System

IAM Impact Assessment Matrix

IPCC Intergovernmental Panel on Climate Change

IPPC Integrated Pollution Prevention and Control

ISLM Integrating and Logging Sound Level Meter

IUCN International Union for the Conservation of Nature and Natural Resources

km kilometer

kTA Kilo tonnes per annum

LDC Less developed countries

LLPDE Linear low density polyethylene

LPP Liwa Plastic Project

m3 Cubic meter

m3/h Cubic meter per hour

MECA Ministry of Environment and Climate Affairs


G-F000-5240-004 HMR ConsultantsMarch 2015 v

MRMWR Ministry of Regional Municipalities and Water Resources

mg milligram

NGL Natural gas liquids

NGLE Natural gas liquid extraction

O3 Ozone

ODS Ozone Depleting Substances

ORPC Oman Refineries and Petrochemicals Company

Orpic Oman Oil Refineries and Petroleum Industries Company

OWS Oily Water Sewer

PDO Petroleum Development Oman

PEP Preliminary Environmental Permit

PM Particulate Matter

PM10 Particular Matter less than 10 micron

PMC Project Management Consultancy

POP Persistent Organic Pollutant

PPE Personal Protection Equipment

RD Royal Decree

RFCC Residue Fluid Catalytic Cracker

ROP Royal Oman Police

SF6 Sulfur hexafluoride

SO2 Sulfur dioxide

SRIP Sohar Refinery Improvement Project

STP Sewage Treatment Plant

TNMHC Total Non-methane hydrocarbon

TPA Tonnes per annum

TPH Tonnes per hour

UFCCC United Nations Framework Convention on Climate Change

USEPA United States Environmental Protection Agency


G-F000-5240-004 HMR ConsultantsMarch 2015 6

1 ENVIRONMENTAL MITIGATION AND MONITORING PLAN

The potential impacts on the environment from the construction and operation of the Project are

discussed in Chapter 8. In this chapter, the environmental management plan including the mitigation

measures and monitoring programs necessary to minimize potential adverse impacts on the

environment is presented. The environmental management plan (EMP) covers both the construction

and operational phases of the project. EMP for project decommissioning phase is not extensively

discussed, since project will have a life of over 25 years and is considered similar to the construction

phase. The EMP includes the organizational structure, specific mitigation actions, monitoring

program and resource allocation.

At this stage of project development and information available, a detailed EMP has been provided in

subsequent section of this EMP. This EMP will be further be updated by Orpic and the EPC

contractors at appropriate time. It should be noted that the primary responsibility for environmental

management during the plant construction rests with the EPC contractors, with Orpic as the project

owner having the ultimate responsibility and accountability.

The responsibility for the environmental management during operational phase as well as

decommissioning phase rests entirely with Operator (OGC).

1.1 Construction Phase Management

1.1.1 Organisation and Responsibilities

The EPC contractors will establish an integrated organization structure for the management of health,

safety and environment (HSE) in order to achieve the utmost HSE performance. The proposed

organization structure is shown in Figure 1-1.

Since the project owner is expected to have the ultimate responsibility for HSE management even

during the construction, the Project Director of NGLE Plant (Orpic) will ensure through its Engineer

that the EPC contractors comply with all the HSE requirements outlined below throughout the period

of project construction. The Owner’s Engineer will have the operational control to ensure that the

EPC Contractors develop and implement an effective HSE plan for the construction period. Before the

commencement of construction, the EPC Contractors will prepare a detailed HSE plan in line with the

following sections and any additional conditions imposed by the regulators.

On behalf of the EPC contractors, the HSE Manager reporting to the Project Manager will be

responsible for day-to-day HSE management on site. The HSE Manager, who will stay on site

throughout the construction period, will interact with line manager and staff on daily basis.



Figure 1-1: Organization Structure for HSE for Construction Phase

1.1.2 Site Security

The site access gates will be manned during working and off-hours 7 days a week including on

holidays by security personnel, who will carry out regular foot patrols, permanent patrols and lock

inspections. The access to site will be restricted to employees, authorized sub-contractors and

authorized visitors. All workers working on the site will be given either a uniform or an identity

badge, as a mark of authorization to work on the site.

1.1.3 Site Preparation

The site for NGLE Plant is in the midst of a desert where other than few scrubs commonly found in

arid ecosystem, no other environmentally significant features exist. Therefore, no specific

management plan is required during preparation. However, wastewaters generated during construction

phase will be handled as mentioned in Section 1.1.7.

Project Director

Owner’s Engineer Project Manager

(EPC Contractor)

Line Managers

(EPC Contractor)

HSE Manager

(EPC Contractor)

Supporting Staff

Indicates Command

Indicates Interaction

Company HSE

Advisor



1.1.4 Sourcing of Construction Materials and Utilities

Rocks and aggregates for foundation and concrete works will be obtained from local quarries under

sub-contract. Quarrying may involve the use of explosives for blasting. The sub-contractors will be

required to get the necessary operating permits from MECA, PDO, OGC and ROP before they

commence any operations at the quarry sites. This will ensure that the public are not exposed to any

safety or health risk.

Freshwater required for construction and domestic use at site will be sourced from the approved water

suppliers in the region or from approved drilled water well during construction period. For the labor

camps, freshwater will be obtained either from the existing supply source or by means of desalination.

The potable water requirement will be met with bottled water. Efforts will be made to minimize water

consumption through conservation measures.

1.1.5 Air Quality Management

Grading and soil compaction will be involved as a part of site preparation. If any dust risings are

expected particularly during the dry weather conditions, water will be sprayed for dust suppression.

Dust will be generated from the movement of transport vehicles also. To control dust risings under

dry weather conditions, water will be sprayed on dust prone graded roads. Daily water requirement for

dust suppression could be in the order of 20 m3. In order to conserve groundwater, treated sewage

obtained from the packaged STP, if installed at site, will be used as much as possible, for dust

suppression. On-site vehicle speeds will be controlled to reduce dust re-suspension and dispersion by

traffic within the site. The construction equipment and transport vehicles will be periodically water

washed to remove accumulated dust/dirt. In addition to this all site personnel will be provided with all

required PPE including cover all, safety glasses, safety boots, air mask etc.

Engine emissions from construction equipment and transport vehicles can adversely affect the air

quality within the work areas. In order to ensure that the release of air pollutants is minimized, only

those vehicles complying with the emissions standards (regulatory and institutional) will be used.

1.1.6 Noise Management

Only well-maintained construction equipment, which meets the regulatory standards for source noise

levels, will be used. Any equipment known to emit significant noise in one direction will, where

possible, be oriented so that the noise is directed away from noise sensitive receptors. Construction

equipment will be fitted with silencers or mufflers, and they will be properly maintained during the

construction phase. Mobile equipment will be sited as far away from noise sensitive receptors as

possible. Machines and transport vehicles that may be used only intermittently will be shut down

during idling periods or throttled down to a minimum.

High noise generating activities such as piling and drilling, if required, will be scheduled such as to

minimize noise generation at certain areas during periods (e.g. night times) that may be particularly

sensitive to noise.



1.1.7 Wastewater Management

A proper drainage system will be provided at the site to segregate the storm water run-off from other

wastewater streams. Suitable measures will also be taken to prevent the washing away of construction

materials into the drainage system.

The washing of construction equipment and transport vehicles will be carried out in designated areas

only and the wash water will be collected into a primary settling tank. The clarified effluent will be

periodically monitored and reused for dust suppression provided pollutant levels in the clarified

effluent meets the effluent discharge limit. If the pollutant levels are higher than the limit, then the

effluent will be removed by vacuum trucks and transferred to a nearby STP or to the packaged STP, if

installed at site.

The sewage generated on-site will be segregated and treated in septic tanks. However, if the total

number manpower at site is more than 150, the sewage will be collected through underground pipes

into a holding tank. From the holding tank, the sewage will be sent to a packaged STP for treatment.

The sewage generated in the labor camps will either be treated in septic tanks or be sent to a nearby

STP.

1.1.8 Waste Management

The various types of wastes generated during the construction phase will be segregated into four main

categories, viz., non-hazardous and recyclable; non-hazardous and non-recyclable, hazardous and

recyclable, and hazardous and non-recyclable. Their method of disposal will be as discussed in of the

EIA report.

General refuse generated on-site will be collected in waste skips and separated from construction and

chemical waste. A local waste handler will be employed to remove general refuse from the site,

separately from construction waste and hazardous wastes, on regular basis to minimize odour, pest

and litter impacts. The burning of refuse on construction sites will be prohibited.

1.1.9 Handling and Storage of Hazardous Substances

The hazardous substances used during the construction period may include fuel oils, welding gases,

acids, alkalis etc. All hazardous substances will be handled and stored in strict compliance with the

requirements of MSDS. All fuel tanks and the acid / alkali storage areas located on site will be bunded

to prevent any spillage from reaching water systems or running into the drainage system. The welding

gas cylinders will be secured and kept in cool, covered and ventilated areas.

The use of radioactive sources is envisaged for radiographic testing of process vessels, pipelines etc.

Any radioactive sources stored on site will be kept in secured designated areas under the custody of

authorised personnel. The sealed sources of radioactive substances will be stored at site and disposed

of through transfer to an authorized recipient as per Orpic’s radiation management program. The

storage areas and storage conditions will comply with the requirements of the MSDS and their storage

and handling will comply with the local regulations viz., MD 249/97.



1.1.10 Labour Camps

The sites for any new labor camps will be selected in compliance with the local town planning

restrictions and will also be based on Workers’ accommodation: processes and standards (a guidance

note by IFC and the EBRD). The labor camp consisting of port-cabins will be constructed in

accordance with industry norms and regulatory requirements, and will be maintained in good order

throughout the period of construction. The camp bosses will be required to strictly comply with the

Omani regulations, and handle the treatment and disposal of domestic wastes and sewage as per

MECA’s regulations.

The camp bosses will be required to implement a good health and hygiene management program,

consisting of the following:

Proper sanitation and drainage facilities;

Routine pest control measures such as spraying of insecticides and pesticides;

Regular waste collection, proper storage and disposal;

Regular inspections for any health problems of workers;

Good housekeeping practices;

Adequate food supplies at the camp and snacks at the site; and

Adequate drinking water supplies.

1.1.11 Mutual Aid

Since the Project will be inside the PDO concession area, good coordination is required between

Orpic, the local authorities and contractors working for PDO. The main issues of concern will be the

following:

Traffic management;

Groundwater sourcing;

Locating labor camps;

Sewage treatment and disposal;

Solid waste disposal;

Public health and safety; and

Public relations.

1.1.12 Environmental Monitoring and Data Management

In order to ensure that the quality of the environment within and near the work sites complies with the

local regulations, periodic environmental monitoring will be carried out through a third party. All the

monitoring data will be documented by the HSE Manager to demonstrate compliance. Further,

periodic environmental auditing will be carried out by a third party to check and review the

effectiveness of the management system.

The proposed monitoring and auditing plan for the construction phase is presented in Table 1-1.



Table 1-1: Environmental Monitoring and Auditing Plan for Construction Phase

Environmental Aspect

Scope of Monitoring / Auditing Method Frequency of Monitoring / Auditing

Air quality

PM10 concentrations at several locations within work sites

Using personal dust monitor Monthly / Quarterly

NOX, and SO2 concentrations at a few locations near project site

Using passive diffusion tubes Quarterly/ Quarterly

Noise levels Sound pressure levels at several locations within work sites and around (within 500 m from fence)

Using sound pressure level meter Monthly /

Quarterly

Sewage Quantity of raw sewage disposed from labour camps

Volume calculated based on tanker capacity

Waste consignment note issued for each transfer

For every consignment

Wastes Quantity of each category of waste disposed from work sites and labour camps

Volume / weight calculated based on truck/tanker capacity

Waste consignment note issued for each transfer

For every consignment

Environmental Auditing

Management system

Monitoring data

Compliance status

Based on ISO 14010 specifications Monthly /

Quarterly

1.2 Operational Phase Management

1.2.1 Organisation Structure and Responsibility

At a later stage of project development, the Operator (OGC) will develop an appropriate

organizational structure for HSE management for the project operation. The Managing Director will

assume the ultimate responsibility for HSE management. The Plant Manager will be responsible for

the implementation and effective management of the HSE management system. The HSE Manager

will be responsible for the day-to-day HSE management and for coordination of HSE functions within

the line functions. All line managers will be required to implement and ensure compliance with the

HSE requirements within their departments. The HSE Manager, with assistance from an external

consultant if required, will be responsible for monitoring and improving HSE performance.

1.2.2 Air Quality Management

1.2.2.1 Reduction of Emissions at Source

The emissions from the various process and utility stacks will be primarily responsible of the Operator

for any impacts on the air quality around the project area. The use of natural gas greatly reduces the

generation of air pollutants that are normally expected from the combustion sources. The use of

natural gas will have negligible generation of PM and SO2 in the stack gases. Use of low NOx

burners will greatly reduce generation of NOX, the most significant air pollutant from the NGLE

Plant.



With reference to emission of greenhouse gases, the emission rate of CO2 per unit mass of fuel burned

is the lowest for natural gas, which will be the main fuel used in the NGLE Plant.

1.2.2.2 Control of Stack Emissions

In order to minimize the impact on ambient air quality, stacks attached with various combustion

sources will be designed in such a way that the plumes achieve maximum dispersion. The stack

designs of most significant emission sources are described in the EIA report.

1.2.2.3 Control of Fugitive Emissions

Fugitive emissions are expected mainly from the NGL storage tanks or pipeline networks of fuel oil,

waste oil and evaporation pond. Most significant fugitive emissions would be petroleum hydrocarbon

vapors, which may be released into the atmosphere due to the vapor pressure of the fuel oil at the

ambient temperature. The fugitive emissions from NGL storage tanks are minimized and controlled

by providing cone roofs to the storage tanks. Fugitive emissions from the network will be controlled

by an integrated sealed system designed, maintained and monitored for leakage. Fugitive emissions

from the NGL pipeline will be controlled by an integrate pipeline leak detection system designed,

maintained and monitored for leakage apart from regular pipeline patrolling.

1.2.2.4 Stack Monitoring

The emissions from the stacks will be monitored for exit concentrations of CO and oxygen using on-

line gas monitors. Continuous emission monitors for NOx will be employed for the GT. For the flare,

opacity will be visually checked. If any abnormal increase in the NOx HC, CO emissions or opacity is

noticed, the combustion system will be checked for any malfunctioning and appropriate corrective

measures will be taken.

1.2.2.5 Ambient Air Quality Monitoring

Air quality modeling has shown that the stack emissions from the Project under normal operation will

have marginal impacts on the ambient air quality. However, as a preventive measure, periodic

ambient air quality monitoring will be carried out near and away from the project site. The exact

locations, frequency, methodology and parameters for monitoring will be determined in consultation

with MECA and it is advised to install permanent air monitoring devices around the plant advised as

part of the EPC.

1.2.3 Noise Management

The continuous noise generating sources under normal plant operation will be GT, compressors, air

coolers, stacks, pumps and other rotating equipment. The GT and DG will be provided with acoustical

packages to limit the maximum noise level at 1m away from the source to less than 85 dB(A). The

other equipment will be provided with the necessary sound insulation and vibration control to ensure

that the maximum noise level at 1m away from the single source will not exceed 85 dB(A). Acoustic

packages will also be designed to ensure the maximum noise level at the site boundary will not exceed

Omani standard for the ambient noise level.



In order to check compliance with the statutory standards, the noise levels (sound pressure level as

dB(A)) in the work place and at the site boundary will be monitored periodically. Ambient noise

levels will also be monitored occasionally around the site fence and public areas such as traffic routes.

Trees will be planted along the site fence to act as sound barriers.

1.2.4 Wastewater Management

The wastewaters generated from the plant during the operational phase include process effluents,

plant sewage and surface run-offs. As described in the EIA report, the following treatment and

disposal methods are proposed:

Wastewater stream from dryer regeneration will be may contain mercury at 1ppb(w) i.e.

0.001 mg/l level, Mercury will be adsorbed on suitable media and the descent shall be

disposed as per the streamlined disposal-ling procedure. The process wastewater will be

transferred to external ETP for treatment and disposal. The other effluents including GT

washings will be trucked to Sohar Petrochemical Complex for treatment or incineration. Non-

contaminated runoff will be will be discharged off directly after contamination check.

Sewage will be collected in underground drains and routed to a septic tank onsite for disposal.

Off-site sewage generated in labor camps will be treated in either built-for-purpose sewage

treatment plants or trucked to the nearest municipal sewage treatment plant.

All surface runoffs, unless suspected to be contaminated will be released into the storm water

drains. Any contaminated runoffs will be segregated and routed to external ETP and non-

contaminated will be disposed off directly.

1.2.5 Waste Management

The various types of wastes generated during the operation phase will be segregated into four main

categories, viz., non-hazardous and recyclable; non-hazardous and non-recyclable, hazardous &and

recyclable, and hazardous and non-recyclable. Their method of disposal is discussed in the EIA

Report.

General refuse generated on-site will be collected in waste skips and separated from process wastes.

A local waste handler will be employed to remove general refuse from the site on regular basis to

minimize odour, pest and litter impacts. The burning of refuse on site will be prohibited.

1.2.5.1 Storage and Disposal of Hazardous Wastes

Various kinds of hazardous wastes will be generated at NGLE Plant. These include (i) liquid wastes

e.g. waste lubricating oils (ii) semi-solid wastes e.g. oil sludge and (iii) solid wastes e.g. spent filter

media, mercury saturated adsorbent and radioactive wastes, if found to exist. While the radioactive

waste will be stored and disposed, as per Orpic’s radioactive waste management procedure, mercury

saturated adsorbent will be sent to supplier for resource recovery. All other non-recyclable hazardous

wastes will be temporarily stored and subsequently sent to the PP Plant for incineration. Waste

records will be maintained and all waste consignments will carry waste consignment notes. The



treatment and disposal methodology for various kinds of hazardous wastes are detailed in the EIA

report.

1.2.5.2 Storage and Disposal of Non- Hazardous Wastes

The non-hazardous solid wastes generated will be the waste packaging materials, domestic and office

wastes. The waste packaging materials, domestic and office wastes include metal drums, plastic bags

and sheets, cardboard and paper. They will be sent to waste handlers for possible recycling and

disposal. The treatment and disposal methodology for various kinds of non-hazardous wastes are

detailed in the EIA report.

1.2.6 Storage and Handling of Hazardous Substances

Other than natural gas and natural gas liquid no other hazardous substances will be handled at the

NGLE Plant. However, none of these hazardous substances will be stored in bulk on site. Beside

these, diesel will also be stored at site. Appropriate storage facilities for these hazardous substances

will be provided. The built-in safety features for spill and leak control and containment facilities will

be provided based on risk assessment. All hazardous substances will be handled and stored in strict

compliance with the requirements of MSDS.

1.2.7 Transport Management

No major vehicular traffic is expected at the NGLE Plant as the raw material, fuel and products will

be transported by pipeline. Therefore, no management plans are necessary for the mitigation of traffic

related impacts at NGLE Plant. However, the number of flights to and from Fahud airport will

increase. Hence, appropriate measures should be taken by the local aviation authority to prevent any

accident. Road transportation to and from camp site to the NGLE Plant will be in accordance with

PDO/OGC norms.

1.2.8 Greenbelt Development

Since the proposed project site is within a desert, the soil is not conducive of greenbelt development.

Moreover, the quantity of treated effluent is not sufficient to support greenbelt development. Where

water is a scarce resource, it is not advisable to use fresh water for greenbelt development.

1.2.9 Mutual Aid

The main issues of concern during the operation phase will be the following:

Air quality management and monitoring;

Noise management and monitoring;

Sewage treatment and disposal;

Hazardous waste disposal;

Public health and safety;

Public relations;

Pipelines encroachments;

Sabotage and theft;



Road safety; and

Operations interfaces.

1.2.10 Environmental Monitoring Programme

Based on the discussions above, an environmental monitoring program as summarized below in

Table 1-2 is proposed for the operational phase.

Table 1-2: Environmental Monitoring Program for Operational Phase

Environmental Aspect Scope of Monitoring / Auditing

Method Frequency of Monitoring / Audit

Stack emissions from GT

NOx Continuous Emission Monitoring

Continuous / Quarterly

Stack emissions from Process Furnaces

O2, Temp, CO, CO2 Predictive Emission Monitoring

Continuous / Quarterly

Flare Emission Flow rate, Heating value, CO2

Predictive Emission Monitoring

Continuous /

Quarterly

Groundwater extraction Quantity and Quantity Flow meter Continuous /

Quarterly

Sewage Flow volume and Quality, if sent outside,

As required by the operator of sewage treatment plant

For every instances / Quarterly

Ambient air quality All primary pollutants e.g. NOx, SO2, CO2, CO, H2Sand HC around FahudSite (In consultation with DGEA)

Passive Diffusion Tubes Semi Annually /

Semi Annually

Noise levels Sound pressure levels at several locations within work sites and within 500m from the fence line

Using sound pressure level meter Monthly /

Quarterly

Hazardous wastes Quantity of each category of waste disposed from site

Weight or volume measurement

For every consignment/ Quarterly

1.2.11 Environmental Training and Awareness

All personnel whose work may cause significant environmental impacts will be required to undergo

environmental awareness and management training programs. The individual training requirements

will be identified, and the Plant Manager or the HSE coordinator will determine the structure of the

training courses. Qualified and competent trainers will be used for the training programs. For creating

all round environmental awareness within and outside the plant, the various types of media like

posters, news bulletins and video presentations will be employed.

1.3 Decommissioning and Site Restoration Phase Management

1.3.1 Introduction



At the end of the life cycle of the NGLE Plant, all the assets in the site will be decommissioned and

the site will be restored (to the extent possible) to its original condition or better. Remediation of any

contaminated soils will be carried out. All efforts will be made to restore the site to a level such that it

can be put to useful purposes like industrial, housing or recreational use. To demonstrate the fitness of

the land for the intended future use, post-closure monitoring will be carried out before transferring the

land to the next landowner.

1.3.2 Decommissioning

Decommissioning activities, which involve dismantling of equipment and structures will be more or

less similar to the construction phase activities. Consequently, similar environmental impacts and

management plan will be applicable. However, the duration of decommissioning will be much shorter

compared to the duration of construction activities.

The decommissioned equipment and the waste materials generated will be recycled to the extent

possible, and the non-recyclable wastes will be disposed according to the waste management plan.

The decommissioning will be contracted to a qualified contractor, who will be responsible for

environmental management.

1.3.3 Site Restoration

After the removal of structure and the equipment from the site, all above ground steelwork and

concrete will be entirely removed from the site. Foundations will be excavated up to the level of the

surrounding land, and back-filled with compacted granular fill, or other suitable material according to

the type of ground. Waste materials generated during site abandonment and restoration shall be

disposed according to the waste management plan in. The site will be leveled off.

1.3.4 Soil Conditioning

Any soil found to be contaminated with hydrocarbons or any other chemicals would be removed from

the site, and replaced with virgin soil. The contaminated soil will be treated or disposed according to

internationally accepted practices. Vegetation will be grown on the restored site for soil stabilization.

1.3.5 Post-closure Monitoring

Post-closure monitoring will be carried out before transferring the land to the next landowner, to

demonstrate the fitness of the land for the intended future use. The monitoring may include soil

analysis and groundwater analysis.

Documents

Environmental Management Plan (EMP)