Environmental Monitoring Report - Asian Development … · PO Box 356 Cooma Tel : 61 (0)2 64520222 ... TCVN : Vietnam Standard ... ENVIRONMENTAL MONITORING REPORT Quarter 3/ 2011

Environmental Monitoring Report Quarterly Report January 2012

VIE: GMS Southern Coastal Corridor Project Prepared by SMEC International Pty. Ltd. in association with China Engineering Consultants Inc., Peaceful Intelligence Consultants Co. Ltd. and SMEC Vietnam JSC for the Ministry of Transport and the Asian Development Bank.

CURRENCY EQUIVALENTS (as of 31 January 2012)

Currency unit – dong (D)

D1.00 = $0.000047 $1.00 = D20,934

NOTE

In this report, "$" refers to US dollars unless otherwise stated. This environmental monitoring report is a document of the borrower. The views expressed herein do not necessarily represent those of ADB's Board of Directors, Management, or staff, and may be preliminary in nature. In preparing any country program or strategy, financing any project, or by making any designation of or reference to a particular territory or geographic area in this document, the Asian Development Bank does not intend to make any judgments as to the legal or other status of any territory or area.

MINISTRY OF TRANSPORT CUU LONG CORPORATION FOR INVESTMENT, DEVELOPMENT AND PROJECT MANAGEMENT

OF INFRASTRUCTURE (CUU LONG CIPM) Grant No. 0095 – VIE(SF)

Contract No. 4207/PMUMT-HDTV

ENVIRONMENTAL MONITORING REPORT

QUARTER 3 - 2011

GMS SOUTHERN COASTAL CORRIDOR PROJECT CONSULTING SERVICES

For Project Implementation of the ADB and AusAID Funded Sections

SMEC INTERNATIONAL PTY LTD

IN ASSOCIATION WITH

CHINA ENGINEERING CONSULTANTS INC PEACEFUL INTELLIGENCE CONSULTANTS CO LTD

SMEC VIETNAM JSC

ENVIRONMENTAL MONITORING REPORT Quarter 3/ 2011

ADB Grant 0095 - VIE (SF), Contract 4207/PMUMT-HDTV: GMS Southern Coastal Corridor Project Consulting Services for Project Implementation of the ADB and AusAID Funded Sections, Revision D0.1 2

Document / Report Control Form Project Name: Consulting Services for Project Implementation of the ADB and

AusAID Funded Road Sections of GMS Southern Coastal Corridor Project

Loan Agreement : 0095-VIE(SF) PMU-MT Contract Number : 4207/PMUMT-HDTV SMEC Project Number : 5026063 Report for : CUU LONG CIPM Report Name : Environmental Monitoring Report – Quarter 3/ 2011 SMEC Report Cataloguing No: SCCP 190 PREPARATION, REVIEW AND AUTHORISATION

Revision Date Prepared by Reviewed by Approved for Issue by

D0.1 22/09/2011 Nguyen Hoang Sam A. Burnside A. Burnside

ISSUE REGISTER

Distribution List Date Issued Number of Copies

CUU LONG CIPM 22/09/2011 02 (English) + 02 (Vietnamese)

SMEC Regional Office 22/09/2011 01 (English) + soft copy

Consultant Design Office HCMC 22/09/2011 01 (English)

For more information on any part of this document please contact: SMEC International 222-226 Sharp Street Cooma NSW 2630, Australia PO Box 356 Cooma Tel : 61 (0)2 64520222 Fax : 02 6452 0380 Email : [email protected] www.smec.com.au

http://www.smec.com.au/



ABBREVIATIONS

ADB : Asian Development Bank

AUSAID : Australian Agency for International Development

BGTVT : Ministry of Transport (Vietnam)

BOD5 : Biochemical oxygen demand

BTNMT : Ministry of Natural Resources and Environment

COD : Chemical oxygen demand

CUU LONG CIPM : Cuu Long Corporation for Investment, Development and

Project Management of Infrastructure

EDCF : Economic Development Cooperation Fund (Korea)

EHSMTCP : The Environmental, Health, Safety Management and

Traffic Control Plan

EIA : Environmental Impact Assessment

EMP : Environmental Management Plan

ESO : Environment/Safety Officer

GMS : Greater Mekong Sub-Region

GMS-SCC : GMS Southern Coastal Corridor

GOV : Government of Vietnam

KG : KienGiang Province

MOT : Ministry of Transport (Vietnam)

PMU-MT : Project Management Unit – My Thuan

QCVN : National technical regulation

SCC : Southern Coastal Corridor

SCCP : Southern Coastal Corridor Project

TCVN : Vietnam Standard

TSP : Total Suspended Particles

TSS : Total suspended solids

VOC : Volatile organic compound

WHO : The World Health Organization



TABLE OF CONTENTS

1. INTRODUCTION ............................................................................................ 7

2. CONSTRUCTION PROGRESS .................................................................. 8

2.1. Contract Package CW1/1 ........................................................................................... 8



2.4. Contract Package CW7/4 ......................................................................................... 10

3. CURRENT SITUATION OF ENVIRONMENTAL MANAGEMENT SYSTEM............................................................................................................. 11

3.1. Environmental Management Organization ......................................................... 11

3.2. Emergency Call-out Procedure .............................................................................. 15

3.3. Implemented works ................................................................................................... 18

3.4. Works not adequately implemented ..................................................................... 19

4. CURRENT SITUATION OF MITIGATION MEASURES BEING IMPLEMENTED DURING CONSTRUCTION PROCESS ........................ 20

4.1. Works Implemented to Minimize Negative Impacts ......................................... 20

4.2. Works not adequately implemented to date ...................................................... 25

5. ENVIRONMENTAL MONITORING RESULTS ...................................... 27

5.1. Air, Noise and Vibration Monitoring ..................................................................... 27

5.2. Monitoring of Surface Water .................................................................................. 34

5.3. Monitoring of Soil ...................................................................................................... 45

6. CONCLUSION .............................................................................................. 50

APPENDIX......................................................................................................... 51

Appendix 1.Some of sampling images ........................................................................ 51

Appendix 2.Monitoring Results of Air, Noise and Vibration .................................. 52

Appendix 3.Monitoring Results of surface water ..................................................... 59

Appendix 4.Monitoring Results of Soil ........................................................................ 68

Appendix 5.Contents of Weekly Environmental and Safety Report .................... 73



LIST OF TABLES

Table 1: Summary of the road sections under construction of package CW1/1 ......................... 8

Table 2: Summary of the road sections under construction of package CW7/2 during reporting period ...................................................................................................................................... 8

Table 3: Summary of the bridges under construction of package CW7/2 during reporting period ....................................................................................................................................................... 9

Table 4: Summary of the road sections under construction of package CW7/3 during reporting period ...................................................................................................................................... 9

Table 5: Summary of the bridges under construction of package CW7/3 during reporting period ..................................................................................................................................................... 10

Table 6: Summary of the road sections under construction of package CW7/4 during reporting period .................................................................................................................................... 10

Table 7: Summary of the bridges under construction of package CW7/4 during reporting period ..................................................................................................................................................... 10

Table 8: Personnel list of Environmental Management System on Site – Contract Package CW1/1.................................................................................................................................................... 13




Table 12: List of Important Telephone Numbers in Ca Mau (Contract Package CW7/2; CW7/3; CW7/4) .................................................................................................................................... 16

Table 13: List of Important Telephone Numbers in KienGiang (Contract Package CW1/1) ... 17

Table 14: Positions of air, noise and vibration samples ................................................................ 28

Table 15: Parameters of air, noise and vibration quality to be monitored .................................. 29

Table 16: Monitoring Results of Air, Noise and Vibration .............................................................. 29

Table 17: Sampling positions of surface water ............................................................................... 35

Table 18: Monitored parameters of surface water quality ............................................................. 36

Table 19: Monitoring results of surface water quality .................................................................... 37

Table 20: Sampling positions of Soil ................................................................................................ 46

Table 21: Monitored parameters of excavated soil quality ............................................................ 46

Table 22: Monitoring results for excavated soil .............................................................................. 47

Table 23: The amount of lime powder used for neutralization of acid sulphate soil based on the content of Sulphate ....................................................................................................................... 49



LIST OF FIGURES Figure 1:The road sections under construction of package CW1/1 during reporting period ..... 8

Figure 2: The road sections currently under construction of packages CW7/2; CW7/3; and CW7/4.................................................................................................................................................... 10

Figure 3: Environmental Management Organization ..................................................................... 11

Figure 4: Environmental Management System on site .................................................................. 13

Figure 5: Emergency Call-out Procedure ........................................................................................ 15

Figure 6: Safety/Sanitation training course for workers is implemented by the ESO (Left); The ESO from Contract Package CW7/4collecting information about environmental impacts from local residents during construction period (Right) .......................................................................... 18

Figure 7: The approved EHSMTCPs ................................................................................................ 18

Figure 8: Sampling of water, soil, air, and noise/vibration– Construction impacts .................... 18

Figure 9: Checking the pH on the Site ............................................................................................. 20

Figure 10: The Project signs (Left), the workplace regulation signboard at Thi Phung Bridge (Right) .................................................................................................................................................... 21

Figure 11: Isolate the Site from outside by fence ........................................................................... 21

Figure 12: Installation of warning signs ............................................................................................ 21

Figure 13: Notice of alcohol prohibition (left) and entry-card wearing (right) on Site ................ 22

Figure 14: Installation of warning signs, temporary fences during construction (Contract package CW1/1) .................................................................................................................................. 22

Figure 15: Fresh water (Left), toilets and site huts (Right) ............................................................ 23

Figure 16: Workers are equipped with personal protective equipment ....................................... 23

Figure 17: Pole mounted cubicle and lighting system ................................................................... 23

Figure 18: Undertake consultations during the construction period ............................................ 24

Figure 19: Sand backfilling method is a good way to reduce dust and noise (Contract Package CW7/2; CW7/3; CW7/4) ..................................................................................................... 24

Figure 20: Soil and sand dropped outside at Canal 7 Bridge ....................................................... 25

Figure 21: Garbage has not been collected at Canal Mot Ruoi Bridge (Left) and at Thoi Binh Bridge (Right) ....................................................................................................................................... 25

Figure 22: Leakage of oil at Thoi Binh Bridge ................................................................................. 26

Figure 23: Site huts and toilets not provided (at Canal 7 Bridge) ................................................ 26

Figure 24: Positions of air, noise and vibration samples for CW7/2; CW7/3; CW7/4 ............... 27

Figure 25: The monitoring results of dust concentration ............................................................... 31

Figure 26: Monitoring results of NOx, SO2, CO, VOCs concentration ........................................ 32

Figure 27: The monitoring results of noise ...................................................................................... 33

Figure 28: Monitoring Results of Vibration ...................................................................................... 33

Figure 29: Sampling Positions of surface water for CW7/2; CW7/3; CW7/4 ............................. 34

Figure 30: Monitoring results of pH ................................................................................................... 39

Figure 31: Monitoring results of COD; BOD5; Total – Phosphorus; Total – Nitrogen .............. 40

Figure 32: Monitoring results of Total-Coliform ............................................................................... 41

Figure 33: Monitoring results of Temperature and Petroleum products ..................................... 42

Figure 34: Monitoring result of Coloration ....................................................................................... 43

Figure 35: Monitoring result of TSS .................................................................................................. 44

Figure 36: Monitoring positions for soil quality of CW7/2; CW7/3; CW7/4 ................................. 45

Figure 37: Monitoring results for excavated soil of CW7/2; CW7/3; CW7/4 ............................... 47

Figure 38: % Sulphate – pH relationship ......................................................................................... 48



1. INTRODUCTION

PMU-MT (Cuu Long CIPM) engaged SMEC International Pty Ltd (the Consultant) to conduct feasibility studies and detailed design of specific sections of the SCC works. SMEC International Pty Ltd formed an association with a number of sub-consultants including China Engineering Consultants Inc, BACHKHOA Engineering Consultants Company Ltd (changed to Peaceful Intelligence Consultants Co. Ltd (PICON)) and SMEC Vietnam JSC. Generally, the works covered by the Consultant shall include only ADB and AusAID funded sections, not the works under the scope of Economic Development Cooperation Fund (EDCF). The Consultant however has involvement in the EDCF works as a supervisor primarily for the and social safeguards and development activities, for example Environmental, HAPP/HTPP and Resettlement activities.

Construction Supervision activities (including Work and Safety Management, Quality Control, Contract Management, Land Acquisition and Resettlement, and Environmental Management) have been commenced and will be conducted continuously by the Consultant throughout the life of the project. After the completion of the project, the Consultant will maintain a team to manage the Defects Liability Period.

Four (4) contracts have been executed between PMU My Thuan (Cuu Long CIPM) and the respective Contractors. Three Contract Packages, CW7/2, CW7/3 and CW 7/4,in Ca Mau Province, started working from 26th April 2011 and Contract Package CW1/1 started working from 3rd June 2011. Each of these contract packages shall appoint an Environment/Safety Officer (ESO) before the commencement of the work. The ESO shall be responsible for environmental, safety, and traffic control activities on site throughout the Contract period.

The Environmental Specialist of the Consultant has been mobilized to manage environmental issues since July 2011. In the initial stages of the construction phase of the project, Environmental Specialist will (i) guide and supervise the Contractors in implementing measures to minimize environmental impacts; (ii) review and approve the Environmental, Health, Safety Management and Traffic Control Plans (EHSMTCP) submitted by the Contractors; (iii) train the Contractors in Safety and Environment weekly and monthly reports; (iv) review and approve the environmental monitoring plan, contents of occupational safety training course as well as any Environment/Safety reports submitted by the Contractors; (v) check construction sites, consult the residents near construction sites about environmental matters, and carry out other tasks related to environmental issues.

All contents, obtained results, analysis, evaluations and recommendations will be specifically presented in this report.



2. CONSTRUCTION PROGRESS 2.1. Contract Package CW1/1

Table 1: Summary of the road sections under construction of package CW1/1

No From To Length (m) Note

1 Km1+700 Km2+600 900 Right side 2 Km1+000 Km1+600 600 Left side 3 Km1+900 Km2+600 700 Left side

Figure 1:The road sections under construction of package CW1/1 during reporting period

2.2. Contract Package CW7/2

Table 2: Summary of the road sections under construction of package CW7/2 during reporting period

No From To Length (m)

1 Km172+300.00 Km172+519.47 219.47

2 Km172+547.33 Km172+800.00 252.67

3 Km174+500.00 Km175+431.92 931.92

4 Km175+459.78 Km175+820.00 360.22

5 Km176+0.00 Km176+400.00 400.00

6 Km177+480.00 Km177+860.00 380.00

7 Km177+940.00 Km178+80.00 140.00

8 Km179+480.00 Km179+640.00 160.00

9 Km179+880.00 Km180+40.00 160.00

10 Km181+400.00 Km181+600.00 200.00

Under construction

Design-road




11 Km181+680.00 Km181+777.74 97.74

12 Km182+360.00 Km182+420.00 60.00

13 Km186+200.00 Km186+400.00 200.00

14 Km186+500.00 Km186+900.00 400.00

15 Km187+100.00 Km187+900.00 800.00

Table 3: Summary of the bridges under construction of package CW7/2 during reporting period

No Bridge’s Name Work at Abutment A1 Work at Abutment A2

1 RachOng Driving (a pile) No construction

2 Cai san Cast (a pile) Driving (a pile)

3 Mot Ruoi Casting and Driving(a pile) No construction

4 Canal2 Driving (a pile) No construction

5 Canal 3 No construction Casting (a pile)

6 Canal 4 No construction No construction

7 Canal 5 Casting (a pile) No construction

8 Canal 6 Driving (a pile) Casting and Driving(a pile)

9 Canal 7 Driving (a pile) Casting and Driving(a pile)







1 Km191+380 Km191+674 294

2 Km192+500 Km193+258 758

3 Km193+321 Km194+600 1,279

4 Km194+940 Km195+196 256

5 Km195+232 Km196+115 883

6 Km196+150 Km197+120 970

7 Km197+220 Km197+787 567

8 Km197+821 Km198+300 479




No Bridge’s Name Work at Abutment A1 Work at Abutment A2 1 Thoi Binh Driving, bored cast-in-place pile No construction

2 Lang Tram Casting and Driving (a pile) No construction




1 Km198+300.00 Km198+751.86 451.86

2 Km198+815.20 Km199+879.79 1064.59

3 Km199+912.59 Km200+780.16 867.57

4 Km203+333.79 Km204+400.00 1066.21


No Bridge’s Name Work at Abutment A1 Work at Abutment A2

1 Thi Phung Casting and Driving(a pile) No construction

2 Ong Huong Preparing for casting yards Preparing for casting yards

Figure 2: The road sections currently under construction of packages CW7/2; CW7/3; and CW7/4



3. CURRENT SITUATION OF ENVIRONMENTAL MANAGEMENT SYSTEM

3.1. Environmental Management Organization

Andrew BurnsideTeam Leader/Project Manager

Environmental Specialist

Resident Engineers CW1/1; 7/2; 7/3; 7/4

InspectorsCW1/1; 7/2; 7/3; 7/4

ContractorsCW1/1; 7/2; 7/3; 7/4

ESOCW1/1; 7/2; 7/3; 7/4

Consultant (SMEC) Civil Works Contractors

MOT

ADB

AusAID

CUU LONG CIPM Provincial Peoples Committees

Department of Natural Resources and Environment

Local people

Figure 3: Environmental Management Organization

To ensure good management of environmental issues, the Environmental Specialist of the Consultant will undertake the following tasks:

o Undertaking site inspections in accordance with relevant criteria in the EMPS

o Monitoring Contractors’ implementation of EMP during construction,

o Providing advice and guidance for the Contractors on environmental management matters where required,

o Providing instructions for the Contractors to undertake actions in compliance with environmental requirements,

o Undertaking separate monitoring

o Writing and submitting detailed monthly and quarterly Environmental Monitoring reports to the Employer

Each contract package will appoint one Environment/Safety Officer (ESO) prior to the commencement of construction. The ESO shall be responsible for environmental, safety, and traffic control activities on site throughout the Contract period.



o The proposed ESO shall be bilingual in Vietnamese and English and suitably qualified and experienced to supervise and monitor the implementation of EHSMTCP and, in certain circumstances, shall carry out auditing of EHSMTCP activities in accordance with periodic programs and then submit to the Engineer for approval.

o The ESO shall not be away from the site of works without written permission from the Engineer. Within fourteen (14) days without the presence of the ESO on site, a replacement of ESO shall be submitted to the Engineer for approval.

o The ESO shall be provided with one deputy ESO, and this staff shall be approved by the Engineer. The deputy ESO shall be capable of taking over ESO’s duties and responsibilities whenever necessary.

o The ESO and deputy ESO shall be granted sufficient authority to instruct all employees of the Contractor or Subcontractors at any level to stop construction operations and take urgent and appropriate actions to ensure the safety onsite and to prevent unsafe working practices or other infringements of the Plan or the statutory regulations.

o The ESO shall maintain a Site Diary comprehensively recording all relevant matters concerning on-site environmental management, safety and traffic control, inspections and audits, and related incidents and the like. The Site Diary shall be available at all times for inspection by the Engineer.

Furthermore, all daily works on site shall be controlled by Resident Engineers and Inspectors of the Consultant. In case environmental, safety and traffic issues occur; the Inspectors shall coordinate with the ESO to promptly control and handle the situation.

Through weekly meetings, the Environmental Specialist shall review, guide and remind the Contractors to well manage environmental issues.



Figure 4: Environmental Management System on site

The personnel list corresponding to the above Environmental Management System of the Contractors is as follow:

Table 8: Personnel list of Environmental Management System on Site – Contract Package CW1/1

No Job title Name Mobile

1 Project Manager Pham Xuan Truong ([email protected])

0909.876.107

2 Deputy Project Manager Nguyen Van Dat 0915.405.633

3 Environment /Safety Officer Hoang Nghia Hai 0983.888.003

4 Site sewer engineer Tran Van Lam 0944.037.086

5 Site road engineer Nguyen Van Danh 0974.274.648


No Job title Name Mobile Email 1 Project Manager Hoang

QuocDinh 0913341966 [email protected]

2 Deputy Project Manager

Tran Van Nghia

0912456121 [email protected]



No Job title Name Mobile Email 3 Environment /Safety

Officer Nguyen Van

Hoang 0978721488 [email protected]

4 Deputy Environment /Safety Officer

Hoang Quoc Duc


5 Site bridge engineer Le Hong Manh


6 Site road engineer Pham Thanh Nhon



No Job title Name Mobile Email

1 Project Manager Tran Quang Vinh



Le Quy Hong


3 Environment /Safety Officer

Pham Quoc Truong



Nghiem Van Nam


5 Site bridge engineer Nguyen Manh Tuan


6 Site road engineer Le Xuan Hai 0975986270 [email protected]


No Job title Name Mobile Email

1 Project Manager Nguyen Quoc Huong 0918878572 [email protected]


Phung Dinh Dan 0915110862 [email protected]

3 Environment /Safety Officer

Luu Thi Phuong Hoa 0902328506 phuonghoaenv @gmail.com


Le Cong Thanh 0935105859 [email protected]

5 Site bridge engineer Phung Dinh

Dan 0915110862 [email protected]

6 Site road engineer To Quyen 0979898703 [email protected]



3.2. Emergency Call-out Procedure Emergency cases are identified as follows:

o Fatal accidents o Accidents causing serious injury including loss of vital organs or severe

bleeding o Accidents causing injury to the public o Accidents causing severe blockage to public traffic or passageway o Damages to or impacts on important works o Fire

Figure 5: Emergency Call-out Procedure

a) First Step Site Engineer, other staffs and workers shall initiate the Emergency Call-out Procedure. The Contractor’s personnel who have first aid training must perform the first aid treatment and in the meantime, contact the ESO/Resident Engineer and, if necessary, call the ambulance.

In case the ESO cannot be contacted, their level will be skipped and the 3rd Stage level will be alerted. In addition, the initiator shall take prompt actions to mitigate the situation and then report on:

ESO

AA CCCCII DDEENNTT // IINNCCIIDDEENNTT

CUU LONG CIPM

Utility Company

Electricity; Water; Telephone: 119

(hotline)

Emergency Call No. Police: 113

Fire: 114

Ambulance: 115

Hospital

Report

(If Necessary)

Call

Contractor’s Project manager

Rep

ort

Site Engineers

The Consultant

Resident Engineer

Report

Instru

ction

Instru

ction

Rep

ort



o The general situation as initially judged. o The number of people killed / injured / involved. o Actions taken by responsible personnel on site. o Other vital information in brief. o The Site Engineer shall also report the matter to the Contractor’s Project

Manager and contact on-duty telephone numbers. b) Second Step (2nd Stage) The ESO, upon receiving information, shall carefully check the information and evaluate the situation, and then go to the Site to check again. Upon the verification of all information involved, he shall start the Third Step (3rd Stage) with given telephone number(s).

c) Third Step (3rd Stage) The persons at the 3rd Stage (Contractor’s Project Manager) shall assess the situation, the severity of accident/incident and decide what to do next.

If necessary, the personnel in charge shall contact the following telephone numbers:

Table 12: List of Important Telephone Numbers in Ca Mau (Contract Package CW7/2; CW7/3; CW7/4)

No Agency Address Telephone Number

1 Ambulance (*Emergency) 115

2 Hospital

2.1 Ca Mau Hospital 01 Le Dai Hanh, W.6, Ca Mau (0780) 3567413

2.2 ThoiBinh Hospital ThoiBinhTown, Ca Mau (0780) 3860770

2.3 Ca Mau city Hospital 115 Ly Thai Ton Street, Ward 2, Ca Mau City (0780) 3831201

3 Police

3.1 Police (*Emergency) 113

3.2 Provincial Public Security Department W.5, Ca Mau (0780) 3825733

4 Fire Police Department (*Emergency) W.5, Ca Mau 114

5 Telephone Co. 3 Luu Tan Tai, W.5, Ca Mau (0780) 836222

6 Ca Mau Water Supply Co. 202-204 Quang Trung, W.5, Ca Mau (0780) 836723

7 Ca Mau Power Co. 22 Ngo Quyen, W.2, Ca Mau (0780) 2211999

8 ThoiBinhTown People’s Committee Cluster1, ThoiBinh town, Ca Mau (0780) 3860198

9 Provincial People’s Committee 02 Hung Vuong, W.5, Ca Mau (0780) 3567899

10 Department of Labour, War Invalids and Social Affairs

555A Phan Ngoc Hien, W.5, Ca Mau (0780) 3831021



Table 13: List of Important Telephone Numbers in KienGiang (Contract Package CW1/1)

No Agency Address Telephone Number

1 Ambulance (*Emergency) 115

2 Hospital

2.1 KienGiang Hospital 46 Le Loi street, RachGia town, KienGiang province.

0773.863.328 0773.877.270

2.2 Ha Tien Hospital MacCuu Street, HaTien town, KienGiang province 0773.952.550

2.3 My Duc Hospital ThachDong, MyDuc commune, KienGiang province 0773.851.898

3 Police

Police (*Emergency) 113

3.1 Department of Public Security

02, LyThuongKiet Street, RachGia Town, KG province 0773.862.058

3.2 Fire Police Department (*Emergency)

838, NguyenTrungTruc Street, RachGia town, KG Province 0773.815.008

4 Telephone Co, Telecom Co.

4.1 Telephone Co. 575, NguyenTrungTruc Street, RachGia town, KG Province

0773.862.551 0773.813.124

4.2 Telecom Co. 25, DienBienPhu Street, RachGia town, KG Province

0773.962.888 0773.894.848

5 Water Supply Co. 206, MacCuu Street, RachGia town, KG Province 0773.862.131

6 KienGiang Power Co. 68, Nguyen Hung Son Street, RachGia town, KG Province 0773.876.123

7 Provincial People’s Committee

So 06, NguyenCongTru Street, RachGia town, KG Province 0773.862.135

8 Department of Labour, War Invalids and Social Affairs

249, NguyenTrungTruc Street, RachGia town, KG Province 0773.862.043



3.3. Implemented works - Currently all Contractors have mobilized their ESOs and all are on site carrying

out their duties.

Figure 6: Safety/Sanitation training course for workers is implemented by the ESO (Left); The ESO from Contract Package CW7/4collecting information about environmental impacts from local residents during

construction period (Right)

- All the Environmental, Health and Safety Management and Traffic Control Plans have been submitted and approved by the Consultant

Figure 7: The approved EHSMTCPs

- Contractor CW7/2, CW7/3 and CW7/4 proposed to use a subcontractor, the Center for Analysis and Environment, to undertake environmental monitoring for the duration of the contract period in accordance with the requirements of the contract specification and in accordance with the Project Environmental Monitoring Plan. Up to now, on-site sampling has been carried out for baseline survey and for first environmental monitoring of construction impacts. All Contractors have received the monitoring results.

Figure 8: Sampling of water, soil, air, and noise/vibration– Construction impacts



- The Environmental Specialist has instructed the Contractors on the contents of Weekly Environmental and Safety Reports. These reports will be prepared by the ESO at the each construction Site on weekly basis. Weekly Environmental and Safety Reports shall be summarized and submitted on a monthly basis.

- The supervision of contractors’ implementation of Environmental Management Plan during construction stage has been undertaken regularly by the Environmental Specialist. Since July 2011, the Environmental Specialist has carried out three monthly inspections and several inspections without prior notice in order to evaluate current situation of mitigation measures implemented during construction process. Meanwhile, the Environmental Specialist has also interviewed local residents near the Site about environmental impacts as another means of evaluation.

3.4. Works not adequately implemented - The contractors’ submission of Environment and Safety reports was slower than

required. The Consultant had to remind the Contractors several times on tardy implementation of Environmental Management Plan in both writing and verbally at the weekly progress meetings.

- Although the Contractors have mobilized their ESOs to undertake environmental management duties, the ESOs of the Contractors CW1/1, CW7/2 and CW7/3 are not meeting their responsibilities fully and more is required from them. The ESO of Contractor CW7/4 however has maintained good cooperation with the Consultant and conducted inspections and reporting in a timely manner to ensure project’s environmental management, safety, and traffic control.



4. CURRENT SITUATION OF MITIGATION MEASURES BEING IMPLEMENTED DURING CONSTRUCTION PROCESS 4.1. Works Implemented to Minimize Negative Impacts - In general, environmental issues are managed well by the Contractors. No

accident/incident has occurred and no complaints have been received from local residents or local authorities regarding environmental, safety, and traffic control matters.

- The pH of water running out from excavated soil has been checked regularly by ESO to minimize the impacts of Acid Sulphate Soil. Whenever the pH is lower than pH level specified in National technical regulation, the Contractors shall use powder lime to neutralize, especially at shrimp ponds near the -construction sites. On the other hand, the households are informed about the construction schedule in advance so that they can harvest the shrimps before the excavation work. Therefore, the impacts of excavation work are minimized effectively.

Figure 9: Checking the pH on the Site

- The Contractors have installed project signs in advance of the project sites with sufficient information. Therefore local residents can easily contact the Contractors when necessary. Meanwhile, the installation of workplace regulation signboards to prevent unauthorized people from entering the site has also been instigated as a good method to minimize risks.



Figure 10: The Project signs (Left), the workplace regulation signboard at Thi Phung Bridge (Right)

- Isolate the Site from outside by fence

Figure 11: Isolate the Site from outside by fence

- Warning signs have been installed to minimize risks for traffic users on existing roads crossing construction sites. In scope of contract packages CW7/2, CW7/3 and CW7/4, there are 5 locations where the new highway crosses the existing roads (ie.Thi Phung Bridge, Lang Tram Bridge, Thoi Binh Bridge, Rach Ong Bridge, and Canal 7 Bridge).and warning signs are in place at these locations.

Figure 12: Installation of warning signs



- Manage the sites by prohibiting workers from drinking and obligating workers to wear entry card on Site

Figure 13: Notice of alcohol prohibition (left) and entry-card wearing (right) on Site

- Install warning signs, temporary fences during expansion of road

Figure 14: Installation of warning signs, temporary fences during construction (Contract package CW1/1)



- Supply of fresh water and toilets on site

Figure 15: Fresh water (Left), toilets and site huts (Right)

- Adequately equip workers with hard hats.

Figure 16: Workers are equipped with personal protective equipment

- Pole mounted cubicle and lighting system are equipped

Figure 17: Pole mounted cubicle and lighting system



- Consult local people about environmental issues

Figure 18: Undertake consultations during the construction period

- Most unskilled workers in the project are local people. Therefore, Cultural and social confusion is reduced significantly. Amount of garbage is also reduced because the workers go back home after work.

- As designed, the new road mainly crosses paddy fields, shrimp ponds and a small part near residential areas. However, most of the residential areas are of low population density and surrounded by a lot of trees. Furthermore, the Contractors have used calibrated equipment, transported sand for embankments and carried out construction work in the daytime, so noise and air pollution are minimized. The local people around the site have said that the impacts of construction activities were negligible.

Figure 19: Sand backfilling method is a good way to reduce dust and noise (Contract Package CW7/2; CW7/3; CW7/4)



4.2. Works not adequately implemented to date - In some locations, soil and sand dropped outside the Site causes dust and dirt

nuisance for local residents.

Figure 20: Soil and sand dropped outside at Canal 7 Bridge

- Because no garbage collection service exists in the area with no garbage treatment plant and difficulties of access, the disposal of garbage onsite is by dumping and burning, which is not a very effective treatment method.

Figure 21: Garbage has not been collected at Canal Mot Ruoi Bridge (Left) and at Thoi Binh Bridge (Right)



- In some locations, waste fuel management is not good enough.

Figure 22: Leakage of oil at Thoi Binh Bridge

- On some construction sites, site huts and toilets have been insufficiently provided for workers.

Figure 23: Site huts and toilets not provided (at Canal 7 Bridge)



5. ENVIRONMENTAL MONITORING RESULTS 5.1. Air, Noise and Vibration Monitoring

5.1.1. First Environmental Monitoring

Figure 24: Positions of air, noise and vibration samples for CW7/2; CW7/3; CW7/4



Table 14: Positions of air, noise and vibration samples

No Sample's Name Contract Package

Latitude / Longitude Date Description

1 1st Air_Noise 1 CW1/1 10.41786 104.4635

Km1+500, located in a residential area, impacted by construction activities on road section Km 1+000 - Km 1+600

2 1st Air_Noise 2 CW1/1 10.41191 104.4720

Km2+640, located in a residential area, impacted by construction activities on road section Km 1+600 - Km 2+900

3 7.2-1.A2 CW7/2 9.39678 105.0774 27/8/2011

Km185+975, located in a residential area, impacted by construction activities at Cai San Bridge and on road section Km 186+000 - Km 184+400

4 7.2-1.A3 CW7/2 9.43618 105.0631 27/8/2011

Km181+335, located in a residential area, impacted by construction activities at Canal 3 Bridge and on road section Km 181+350 - Km 181+600

5 7.2-1.A4 CW7/2 9.45335 105.0575 27/8/2011


6 7.2-1.A5 CW7/2 9.46273 105.0523 27/8/2011


7 7.2-1.A6 CW7/2 9.46837 105.0484 27/8/2011


8 1st 7.3-A1 CW7/3 9.31818 105.0952 23/8/2011

Km197+215, located in a residential area, impacted by construction activities at Ba Mop Bridge and on road section Km197+220 - Km197+787

9 1st 7.3-A2 CW7/3 9.33467 105.0967 23/8/2011

Km195+200, located in a residential area, impacted by construction activities at Ba Hoi Bridge and on road section Km195+232 - Km196+115

10 1st 7.3-A3 CW7/3 9.35027 105.1045 23/8/2011

Km193+280, located in a residential area, impacted by construction activities at Ba Dang Bridge and on road section Km193+321 - Km194+600



No Sample's Name Contract Package

Latitude / Longitude Date Description

11 1st 7.3-A4 CW7/3 9.36081 105.1036 23/8/2011

Km191+920, located in a residential area, impacted by construction activities at Thoi Binh Bridge and on road section Km192+500 - Km193+258

12 7.4-1.A3 CW7/4 9.25569 105.1013 22/8/2011

Km204+420, located in a residential area, impacted by construction activities at Thi Phung Bridge and on road section Km203+334 - Km204+400

Table 15: Parameters of air, noise and vibration quality to be monitored

No Analyzed Parameters Analyzing method / Instrument Reference standard 1 TSP (mg/m3) TCVN 5067-1995 QCVN 05:2009/BTNMT 2 CO (mg/m3) TCVN 6137-2009 QCVN 05:2009/BTNMT 3 SO2 (mg/m3) TCVN 5971-1995 QCVN 05:2009/BTNMT 4 NOx (mg/m3) 52 TCN 352-89 QCVN 05:2009/BTNMT 5 VOCs (mg/m3) Gas Chromatography QCVN 06:2009/BTNMT 6 Noise /Center 329 QCVN 26:2010/BTNMT 7 Vibration / LutronVB 8202 QCVN 27:2010/BTNMT

5.1.2. Results of First Environmental Monitoring

Table 16: Monitoring Results of Air, Noise and Vibration

Sample's Name

7.2-

1.A

2

7.2-

1.A

3

7.2-

1.A

4

7.2-

1.A

5

7.2-

1.A

6

1st 7

.3-A

1

1st 7

.3-A

2

1st 7

.3-A

3

1st 7

.3-A

4

7.4-

1.A

3

Con

trac

t Pa

ckag

e

CW

7/2

CW

7/2

CW

7/2

CW

7/2

CW

7/2

CW

7/3

CW

7/3

CW

7/3

CW

7/3

CW

7/4

Parameters

Date

Unit 27/8

/201

1

27/8

/201

1

27/8

/201

1

27/8

/201

1

27/8

/201

1

23/8

/201

1

23/8

/201

1

23/8

/201

1

23/8

/201

1

22/8

/201

1

Dust µg/m3 230 230 230 230 230 250 260 250 230 230

Baseline µg/m3 200 200 200 200 200 210 220 190 200 200

Allowed Limit µg/m3 300 300 300 300 300 300 300 300 300 300

NOx µg/m3 44 48 44 51 51 59 51 52 58 61



Sample's Name

7.2-

1.A

2

7.2-

1.A

3

7.2-

1.A

4

7.2-

1.A

5

7.2-

1.A

6

1st 7

.3-A

1

1st 7

.3-A

2

1st 7

.3-A

3

1st 7

.3-A

4

7.4-

1.A

3

Baseline µg/m3 42 43 41 46 48 42 43 46 51 56


SO2 µg/m3 59 56 51 64 58 62 53 54 56 67

Baseline µg/m3 53 49 46 51 54 46 48 51 47 62


CO µg/m3 1,990 1,720 1,790 1,910 1,760 1,890 1,810 1,891 1,090 2,080

Baseline µg/m3 1,710 1,680 1,790 1,820 1,730 1,870 1,770 1,910 1,010 1,780

Allowed Limit µg/m3 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000 30,000

VOCs µg/m3 60 53 59 48 71 70 65 74 81 65

Baseline µg/m3 51 47 53 48 64 55 62 67 83 59

Allowed Limit µg/m3 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000

Noise dBA 61.5 60.9 61.3 61.7 60.5 61 61.2 61.8 60.7 62.9

Baseline dBA 59.5 61.4 60.1 59.8 61.3 60.9 61 61.3 60.1 61.1

Allowed Limit dBA 70 70 70 70 70 70 70 70 70 70

Vibration m/s2 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.02

Baseline m/s2 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01

Allowed Limit m/s2 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03

Analysis and Evaluation of the Monitoring Results

- In general, all the monitored parameters of air, noise and vibration meet the requirements of the Standard QCVN 05:2009/BTNMT regarding the quality of the surrounding air and of the Standard QCVN 06:2009/BTNMT regarding hazardous substances existing in the surrounding air. This can be explained as follows:

o At some construction sites, only few simple construction activities have been carried out, for example site plan preparation or equipment mobilization; therefore, the machinery operation is less frequent.

o The peak of rainy season is from July to September; therefore, construction activities have usually been interrupted. The large amount of rainfall and the frequency of rain are also positive factors to air quality and help washing off dust.

o Monitored positions are located in residential area, are about 500m from the construction sites, and are surrounded by trees.



The analysis and evaluation of the parameters are as follows: - Dust: the concentration of dust at all construction sites is higher than that of the

baseline survey (before the commencement of construction activities). This means that construction activities do produce dust. The maximum concentration of dust is 260µg/m3 (at 1st7.3-A2) and the minimum value is 260µg/m3 (at 4 positions). The average concentration of dust is 237µg/m3. The dust concentration of all monitored positions is lower than the allowed limit of 300µg/m3 (in accordance with the standard QCVN 05:2009/BTNMT).

Figure 25: The monitoring results of dust concentration

- NOx, SO2, CO, VOCs: emissions from machinery operation like NOx, SO2, CO, VOCs are specified as much lower than the allowed limit. The concentration of these gases at most construction sites is higher than that of the baseline survey. However, the difference is insignificant.

o Maximum concentration of NOx is 61µg/m3 (at 7.4-1.A3), minimum value is 44µg/m3 (at 2 positions), and average value is 52µg/m3. At all the monitoring positions, the concentration of NOx is less than the allowed limit of 200µg/m3 (in accordance with the standard QCVN 05:2009/BTNMT).

o Maximum concentration of SO2 is 67µg/m3 (at 7.4-1.A3), minimum value is 51µg/m3 (at 7.2-1.A4), and average value is 58µg/m3. At all the positions, the concentration of SO2 is less than the allowed limit of 350µg/m3 (in accordance with the standard QCVN 05:2009/BTNMT).

o Maximum concentration of CO is 2080µg/m3 (at 7.4-1.A3), minimum value is 1090µg/m3 (at 1st 7.3-A4), and average value is 1793µg/m3. At all the positions, the concentration of SO2 is less than the allowed limit of 30000µg/m3 (in accordance with the standard QCVN 05:2009/BTNMT).

o Maximum concentration of VOCs is 81µg/m3 (at 7.4-1.A3), minimum value is 48µg/m3 (at 1st 7.3-A4), and average value is 65µg/m3. At all the positions, the concentration of SO2 is less than the allowed limit of 5000µg/m3 (in accordance with the standard QCVN 06:2009/BTNMT).

0

50

100

150

200

250

300

350

µg/

m3

Sample's Name

DUSTDust Baseline Allowed Limit



Figure 26: Monitoring results of NOx, SO2, CO, VOCs concentration

- Noise: in general, the noise at the construction sites is greater than that of the baseline survey. However, the difference is insignificant. Particularly, at 2 positions (7.2-1.A3 & 7.2-1.A6), the noise is less than that of the baseline survey because at the time of baseline survey, during measuring, there was the presence of transportation means (motorcycles) of local residents. The maximum value of noise is 62.9dBA (at 7.4-1.A3), the minimum value is 60.5dBA (at 7.2-1.A6), and average value is 61.35dBA. At all positions, noise value is less than the allowed limit of 70dBA for common areas from 6:00 to 21:00 (in accordance with the standard QCVN 26:2010/BTNMT).

0

50

100

150

200

250

µg/

m3

Sample's Name

NOx

NOx Baseline Allowed Limit

050

100150200250300350400

µg/

m3

Sample's Name

SO2

SO2 Baseline Allowed Limit

05,000

10,00015,00020,00025,00030,00035,000

µg/

m3

Sample's Name

CO

CO Baseline Allowed Limit

0

1,000

2,000

3,000

4,000

5,000

6,000

µg/

m3

Sample's Name

VOCs

VOCs Baseline Allowed Limit



Figure 27: The monitoring results of noise

- Vibration: in general, the noise at construction sites is almost similar to that of the baseline survey. At only 1 position (7.4-1.A3), the vibration value of 0.02m/s2 is greater than that of the baseline survey. At all positions, the acceleration of vibration is smaller than the maximum allowed value of 0.055m/s2 for construction activities conducted in common areas from 6:00 to 21:00 (in accordance with the standard QCVN 27:2010/BTNMT).

Figure 28: Monitoring Results of Vibration

505560657075

dB

A

Sample's Name

NOISE

Noise Baseline Allowed Limit

00.010.020.030.040.050.06

m/s

2

Sample's Name

VIBRATION

Vibration Baseline Allowed Limit



5.2. Monitoring of Surface Water


Figure 29: Sampling Positions of surface water for CW7/2; CW7/3; CW7/4



Table 17: Sampling positions of surface water

No Sample's Name Latitude/ Longitude

Contract Package Date Description

1 1st water1 10.41741 104.4641 CW1/1

Km1+580, impacted by construction activities on road section Km 1+000 - Km 1+600

2 1st Water2 10.41437 104.4691 CW1/1

Km2+234, impacted by construction activities on road section Km 1+600 - Km 2+900

3 7.2-1.Cai San 9.39650 105.0772 CW7/2 27/8/2011 Km185+981.06, impacted by

construction activities at Cai San Bridge

4 7.2-1.Canal 3 9.43229 105.0591 CW7/2 27/8/2011 Km181+330.12, impacted by

construction activities at Canal 3 Bridge







8 7.2-1.Rach Ong 9.36288 105.0888 CW7/2 27/8/2011 Km190+44.81, impacted by construction

activities at Rach Ong Bridge

9 1st 7.3-ThoiBinh1 9.36189 105.1038 CW7/3 23/8/2011

Km191+866.68, impacted by construction activities at Thoi Binh Bridge

10 1st 7.3-ThoiBinh2 9.36180 105.1039 CW7/3 23/8/2011


11 1st 7.3-ThoiBinh3 9.36171 105.1040 CW7/3 23/8/2011


12 1st 7.3-ThoiBinh4 9.36129 105.1032 CW7/3 23/8/2011


13 1st 7.3-ThoiBinh5 9.36119 105.1033 CW7/3 23/8/2011


14 1st 7.3-ThoiBinh6 9.36111 105.1034 CW7/3 23/8/2011


15 1st 7.3-ThoiBinh7 9.36059 105.1025 CW7/3 23/8/2011


16 1st 7.3-ThoiBinh8 9.36051 105.1026 CW7/3 23/8/2011


17 1st 7.3-ThoiBinh9 9.36043 105.1026 CW7/3 23/8/2011


18 7.4-1.W4 9.25569 105.1004 CW7/4 22/8/2011

Km204+431.81, impacted by construction activities at Thi Phung Bridge



Table 18: Monitored parameters of surface water quality

TT Analyzed parameters Unit Analyzing method /

Instrument Reference Standard

1 pH - pH Meter QCVN08:2008/BTNMT

2 TSS mg/l SMEWW 2540D-2005 QCVN08:2008/BTNMT

3 COD mg/l SMEWW 5220 B-2005 QCVN08:2008/BTNMT

4 BOD5 mg/l SMEWW 5210B-2005 QCVN08:2008/BTNMT

5 Total – Phosphorus mg/l SMEWW 4500 P – B&D -2005 QCVN08:2008/BTNMT

6 Total – Nitrogen mg/l AOAC-200 QCVN08:2008/BTNMT

7 Temperature 0C Mercury thermometer QCVN24:2009/BTNMT

8 Coloration Pt-Co SMEWW 2120B-2005 QCVN24:2009/BTNMT

9 Petroleum products mg/l Gas Chromatography QCVN08:2008/BTNMT

10 Total - Coliform MPN/100ml SMEWW 9221B-2005 QCVN08:2008/BTNMT




Table 19: Monitoring results of surface water quality

Sam

ple'

s N

ame

7.2-

1.C

ai S

an

7.2-

1.C

anal

3

7.2-

1.C

anal

5

7.2-

1.C

anal

6

7.2-

1.C

anal

7

7.2-

1.R

ach

Ong

1st 7

.3-

Thoi

Bin

h1

1st 7

.3-

Thoi

Bin

h2

1st 7

.3-

Thoi

Bin

h3

1st 7

.3-

Thoi

Bin

h4

1st 7

.3-

Thoi

Bin

h5

1st 7

.3-

Thoi

Bin

h6

1st 7

.3-

Thoi

Bin

h7

1st 7

.3-

Thoi

Bin

h8

1st 7

.3-

Thoi

Bin

h9

7.4-

1.W

4

Con

trac

t Pa

ckag

e

CW

7/2

CW

7/2

CW

7/2

CW

7/2

CW

7/2

CW

7/2

CW

7/3

CW

7/3

CW

7/3

CW

7/3

CW

7/3

CW

7/3

CW

7/3

CW

7/3

CW

7/3

CW

7/4

Dat

e

27/8

/201

1

27/8

/201

1

27/8

/201

1

27/8

/201

1

27/8

/201

1

27/8

/201

1

23/8

/201

1

23/8

/201

1

23/8

/201

1

23/8

/201

1

23/8

/201

1

23/8

/201

1

23/8

/201

1

23/8

/201

1

23/8

/201

1

22/8

/201

1

Parameters Unit pH - 7.81 7.94 8.01 7.75 7.83 7.61 8 8 8 8 8.16 8.22 8.11 8.1 8.1 7.9 Baseline - 7.83 7.9 8.02 7.88 7.84 7.61 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1 7.92

Allowed Limit -Max - 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9

Allowed Limit -Min - 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5

SS mg/l 27 35 40 32 57 22 23 26 24 27 25 29 28 24 27 35 Baseline mg/l 26 25 36 26 47 22 23 23 23 23 23 23 23 23 23 28

Allowed Limit mg/l 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50

COD mg/l 13 23 18 18 17 14 15 17 20 13 16 19 14 15 12 25 Baseline mg/l 13 19 20 12 14 11 12 12 12 12 12 12 12 12 12 20




Sam

ple'

s N

ame

7.2-

1.C

ai S

an

7.2-

1.C

anal

3

7.2-

1.C

anal

5

7.2-

1.C

anal

6

7.2-

1.C

anal

7

7.2-

1.R

ach

Ong

1st 7

.3-

Thoi

Bin

h1

1st 7

.3-

Thoi

Bin

h2

1st 7

.3-

Thoi

Bin

h3

1st 7

.3-

Thoi

Bin

h4

1st 7

.3-

Thoi

Bin

h5

1st 7

.3-

Thoi

Bin

h6

1st 7

.3-

Thoi

Bin

h7

1st 7

.3-

Thoi

Bin

h8

1st 7

.3-

Thoi

Bin

h9

7.4-

1.W

4

BOD5 mg/l 7 12 10 9 9 8 8 9 12 8 9 9 8 8 6 13 Baseline mg/l 6 10 12 7 6 6 6 6 6 6 6 6 6 6 6 12


Total – Phosphorus mg/l 0.12 0.174 0.145 0.134 0.16 0.108 0.132 0.14 0.11 0.163 0.157 0.146 0.15 0.148 0.153 0.241 Baseline mg/l 0.109 0.174 0.143 0.117 0.158 0.119 0.132 0.132 0.132 0.132 0.132 0.132 0.132 0.132 0.132 0.21

Allowed Limit mg/l 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3

Total – Nitrogen mg/l 0.634 0.835 0.639 0.548 0.841 0.542 0.814 0.73 0.812 0.625 0.52 0.71 0.832 0.78 0.881 1.45 Baseline mg/l 0.63 0.817 0.605 0.448 0.683 0.536 0.414 0.414 0.414 0.414 0.414 0.414 0.414 0.414 0.414 1.41


Temperature 0C 28.3 28.5 28.6 28.4 28.8 28.6 28.3 28.5 28.4 28.3 28.3 28.4 28.5 28.4 28.4 28.9 Baseline 0C 28.3 28.4 28.6 28.4 28.9 28.6 28.3 28.3 28.3 28.3 28.3 28.3 28.3 28.3 28.3 28.6

Allowed Limit 0C 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40

Coloration Pt-Co 65 80 112 76 120 60 61 67 68 68 66 68 61 65 64 68 Baseline Pt-Co 71 77 109 61 85 60 61 61 61 61 61 61 61 61 61 72

Allowed Limit Pt-Co 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70

Petroleum Product mg/l 0 0 0 0 0.07 0 0.07 0.12 0 0.04 0.06 0.09 0.11 0.12 0.16 0.15 Baseline mg/l 0 0 0 0 0.06 0 0.09 0.09 0.09 0.09 0.09 0.09 0.09 0.09 0.09 0.08

Allowed Limit mg/l 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3

Total Coliform MPN/100ml 840 280 830 530 860 640 440 350 270 290 260 280 340 350 280 1100

Baseline MPN/100ml 750 610 750 750 950 530 420 420 420 420 420 420 420 420 420 530

Allowed Limit MPN/100ml 7500 7500 7500 7500 7500 7500 7500 7500 7500 7500 7500 7500 7500 7500 7500 7500



Analysis and Evaluation of Monitoring Results:

- In general, most monitored parameters of surface water (for example pH; COD; BOD5; Total – Phosphorus; Total – Nitrogen; Temperature; Petroleum products; Total Coliform) obtained at monitoring positions meet the requirements of the standard QCVN 08:2008/BTNMT regarding surface water quality. Only two parameters, TSS and Coloration, are greater than required at some monitoring positions.

The analysis and evaluation of particular parameters are as follows:

Figure 30: Monitoring results of pH

- pH: in general, there is some difference between the pH value at construction sites and that of the baseline survey. At all monitoring positions, pH value is in an acceptable range for irrigation water (in accordance with the standard QCVN 08:2008/BTNMT). Maximum pH value is 8.22, minimum 7.61 and average 8.00. In this range, water has slightly alkaline characteristic. This is a favorable condition for water because acid sulphate soil can be neutralized in this range of pH. In this rainy season of the year, the decay of dead plants can be washed off, which helps increasing pH value. This is also a good time for the farmers of the area to plant rice.

0

1

2

3

4

5

6

7

8

9

10

Sample's Name

pH

pH Baseline Allowed Limit -Max Allowed Limit -Min



Figure 31: Monitoring results of COD; BOD5; Total – Phosphorus; Total – Nitrogen

0

5

10

15

20

25

30

35

mg/

l

Sample's Name

COD

COD Baseline Allowed Limit

0

2

4

6

8

10

12

14

16

mg/

l

Sample's Name

BOD5

BOD5 Baseline Allowed Limit

0

0.05

0.1

0.15

0.2

0.25

0.3

0.35

mg/

l

Sample's Name

Total – Phosphorus

Total – Phosphorus

Baseline

Allowed Limit

0

2

4

6

8

10

12

mg/

l

Sample's Name

Total – Nitrogen

Total – Nitrogen Baseline

Allowed Limit



Figure 32: Monitoring results of Total-Coliform

- The content of COD, BOD5, Total – Phosphorus, Total – Nitrogen, Total-Coliform: These parameters are related to water affected by sewage and by construction activities. At all monitoring positions, the content of the substances are less than the allowed limits for irrigation water (in accordance with the standard QCVN 08:2008/BTNMT). For the other parameters, there are insignificant differences between the results of first monitoring and baseline survey. Therefore, it can be considered that sewage and construction activities have negligible impact on water quality. The main reason is that most unskilled workers are local people and go home after work, which helps reduce considerably the sewage on construction sites.

o Maximum COD content is 25 mg/l (at 7.4-1.W4, Thi Phung Bridge), minimum value is 12 mg/l (at 1st 7.3-ThoiBinh9) and average value is 16.8 mg/l. At all monitoring positions, the content of COD are less than the allowed limit of 30mg/l for irrigation water (in accordance with the standard QCVN 08:2008/BTNMT).

o Maximum BOD5 content is 13 mg/l (at 7.4-1.W4, Thi Phung Bridge), minimum value is 6 mg/l (at 1st 7.3-ThoiBinh9) and average value is 9.1 mg/l. At all monitoring positions, the content of BOD5 are less than the allowed limit of 15mg/l for irrigation water (in accordance with the standard QCVN 08:2008/BTNMT).

o Maximum Total–Phosphorus content is 0.241 mg/l (at 7.4-1.W4, Thi Phung Bridge), minimum value is 0.108 mg/l (at 7.2-1.Rach Ong) and average

0

1000

2000

3000

4000

5000

6000

7000

8000

MP

N/1

00

ml

Sample's Name

Total Coliform

Total Coliform Baseline Allowed Limit



value is 0.149 mg/l. At all monitoring positions, the content of Total–Phosphorus are less than the allowed limit of 0.3mg/l for irrigation water (in accordance with the standard QCVN 08:2008/BTNMT).

o Maximum Total–Nitrogen content is 1.45 mg/l (at 7.4-1.W4, Thi Phung Bridge), minimum value is 0.52 mg/l (at 7.2-1.Rach Ong) and average value is 0.76 mg/l. At all monitoring positions, the content of Total–Nitrogen are less than the allowed limit of 10 mg/l for irrigation water (in accordance with the standard QCVN 08:2008/BTNMT).

o Maximum Total-Coliform content is 1100 MPN/100ml (at 7.4-1.W4, Thi Phung Bridge), minimum value is 260 MPN/100ml (at 1st 7.3-ThoiBinh5) and average value is 496 MPN/100ml. At all monitoring positions, the content of Total–Nitrogen are less than the allowed limit of 7500 MPN/100ml for irrigation water (in accordance with the standard QCVN 08:2008/BTNMT).

Figure 33: Monitoring results of Temperature and Petroleum products

- Temperature and Petroleum products: these parameters are related to construction activities and machinery operation for example water for cooling and concrete curing, and water running over machinery maintaining areas. At all monitoring positions, the obtained values are less than the allowed limits for irrigation water (in accordance with the standards QCVN 08:2008/BTNMT and QCVN 24:2009/BTNMT).

o Maximum temperature is 28.9 0C (at 7.4-1.W4, Thi Phung Bridge), minimum value is 28.3 0C (at 7.2-1.Cai San) and average value is 28.5 0C.

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At all monitoring positions, the temperature is less than the allowed limit of 400C for irrigation water (in accordance with the standard QCVN 24:2009/BTNMT).

o Maximum content of Petroleum products is 0.16 mg/l (at 7.4-1.W4, Thi Phung Bridge). At 6 monitoring positions, no content of petroleum products is obtained. The average content is 0.062 mg/l. At all monitoring positions, the content of petroleum products are less than the allowed limit of 0.3 mg/l for irrigation water (in accordance with the standard QCVN 08:2008/BTNMT).

Figure 34: Monitoring result of Coloration

- Coloration: there are 4/16 samples/positions (25%) of the first monitoring and 4/16 samples/positions of the baseline monitoring with the results obtained greater than the allowed limits of the standard QCVN 24:2009/BTNMT. However, among the samples, there is only 1 sample with the coloration changed from less than the allowed limit (baseline survey) to greater than the allowed limit (construction stage); that is at 7.2-1.Canal 6. Another notable monitoring position is 7.2-1.Canal 7 with coloration difference of 35 Pt-Co between the baseline survey and the first monitoring (construction stage). The maximum coloration values at this position are 120 Pt-Co and 80 Pt-Co for the first monitoring and baseline survey respectively and both values are greater than the allowed limit. The average coloration of the baseline survey is 67.8 Pt-Co and the first monitoring 73 Pt-Co (greater than the allowed limit of 70 Pt-Co). However, this can be considered as insignificant impact because the positions with coloration

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value greater than the allowed limit are located in cajuput (melaleucaleucadendra) forest area with poor quality of soil and few aquatic production activities. The reasons why the coloration is greater than the allowed limit are the baseline survey’s high coloration, vegetable saps washed off by rain and water flows disturbed by construction activities.

Figure 35: Monitoring result of TSS

- Total suspended solids – TSS: there is only 1/16 samples (at 7.2-1.Canal 7) of the first monitoring (construction stage) with TSS of 57 mg/l, which is greater than the allowed limit for irrigation water (in accordance with the standard QCVN 08:2008/BTNMT). At this monitoring position, TSS of the baseline survey is 47mg/l, close to the allowed limit. At most monitoring positions, TSS are greater than the allowed limit; however, the difference is insignificant. The average TSS of the first monitoring is 30mg/l, which is less than the allowed limit of 50mg/l. Therefore, it can be concluded that the impact of construction activities on TSS of water is still in acceptable range.

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5.3. Monitoring of Soil


Figure 36: Monitoring positions for soil quality of CW7/2; CW7/3; CW7/4



Table 20: Sampling positions of Soil

No Sample's Name Latitude Longitude

Contract Package Date Description

1 7.2-S1 9.38467 105.0786 CW7/2 27/8/2011 Km187+320, excavated soil on section

Km187+100.00 - Km187+900.00


Km186+200.00 - Km186+400.00


Km181+400.00 - Km181+600.00


Km179+480.00 - Km179+640.00


Km177+480.00 - Km177+860.00


Km175+459.78 - Km175+820.00


Km172+547.33 - Km172+800.00

8 1st 7.3-Soil1 9.33084 105.0948 CW7/3 23/8/2011 Km195+670, excavated soil on section

Km195+232 - Km196+115


Km193+321 - Km194+600


Km192+500 - Km193+258


Km191+380 - Km191+674

12 7.4-1.S1 9.25781 105.1011 CW7/4 22/8/2011 Km204+160, excavated soil on section

Km203+333.79 - Km204+400.00


Km203+333.79 - Km204+400.00


Km199+912.59 - Km200+780.16


Km199+912.59 - Km200+780.16

Table 21: Monitored parameters of excavated soil quality

No. Analyzed parameters Analyzing method/Instrument Reference Standard

1 pH (H2O) TCVN 5979: 2007 QCVN08:2008/BTNMT

2 pH (KCl) TCVN 5979: 2007 QCVN08:2008/BTNMT

3 SO42- % TCVN 6656:2000 -




Table 22: Monitoring results for excavated soil

Figure 37: Monitoring results for excavated soil of CW7/2; CW7/3; CW7/4

Sample’s Name Contract Package pH (H2O) pH (KCl) Allowed

Limit -Max Allowed

Limit -Min SO4

2-

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7.2-S1 CW7/2 4.86 4.67 9 5.5 0.16

7.2-S2 CW7/2 4.67 4.59 9 5.5 0.19

7.2-S3 CW7/2 4.88 4.66 9 5.5 0.21

7.2-S4 CW7/2 5.03 5 9 5.5 0.15

7.2-S5 CW7/2 4.29 4.17 9 5.5 0.23

7.2-S6 CW7/2 5.11 5.02 9 5.5 0.18

7.2-S7 CW7/2 5.08 4.96 9 5.5 0.17

1st 7.3-Soil1 CW7/3 3.9 3.7 9 5.5 0.28

1st 7.3-Soil2 CW7/3 4.1 3.9 9 5.5 0.15

1st 7.3-Soil3 CW7/3 5 4.8 9 5.5 0.19

1st 7.3-Soil4 CW7/3 3.9 3.8 9 5.5 0.14

7.4-1.S1 CW7/4 3.5 3.3 9 5.5 0.21

7.4-1.S2 CW7/4 5.6 5.3 9 5.5 0.18

7.4-1.S3 CW7/4 4.5 4.2 9 5.5 0.19

7.4-1.S4 CW7/4 5.2 4.8 9 5.5 0.17



Analysis and Evaluation of the Monitoring Results

- Most samples of excavated soil show low pH value in two analyzing methods, samples dissolved by water and by KCl solution. The results of both methods are relatively similar. Particularly, according to the water-dissolved method (with the soil/water ratio of 1g/5g), maximum pH(H2O) is 5.6, minimum value 3.5 and average value 4.64. The other methods with soil/KCl ratio of 1g/5g shows that maximum pH(KCl) is 5.3, minimum value 3.3 and average value 4.46. It can be seen from the above results that the soil samples are acidic, especially 3 samples (1st 7.3-Soil1, 1st 7.3-Soil4 and 7.4-1.S1) are highly acidic with pH value less than 4.0.

- It is believed that acid sulphate soil causes low pH value of excavated soil. The relationship between the percentage content of Sulphate and pH value of excavated soil is shown on the following graph:

Figure 38: % Sulphate – pH relationship

o The chart shows the reciprocal proportion of % Sulphate and pH value. It means that the greater the content of Sulphate, the lower the pH. At position 1st 7.3-Soil, the content of Sulphate is 0.28% and pH value is 3.9.

o According to the above relationship, in order for pH value to be greater than 4.5, 5.0, and 5.5, the content of Sulphate must be lower than 0.21%; 0.12%; and 0.02% respectively. It means that there are 2 soil samples with pH less than 4.5 and 14 samples with pH greater than 5.0 due to acid sulphate soil. According to the monitoring results of feasibility study stage of the project, the above samples can be classified as medium-risk acid sulphate soil or just above low-risk acid sulphate soil, and can be neutralized by lime powder.

- Currently, there is no standard specifying the allowed limits of pH and content of Sulphate in water. However, the pH values obtained are less than the allowed range for irrigation water (in accordance with the standard QCVN

y = -5.3773x + 5.6451R² = 0.1065

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08:2008/BTNMT). It mean that pH of the surface water may be decrease if rain water running over the surface of excavated soil.

- As analyzed in sub-item 5.2.2, average pH value of surface water is 8.0 (slightly alkaline) in this time of year. Therefore, if water running over the surface of excavated soil is acidic, the water will be neutralized by surface water.

- Accordingly, in order to control acid sulphate soil, following actions shall be taken: o The Contractors’ ESOs shall frequently measure the pH of surface water

surrounding excavated locations. Care shall be taken to measuring pH at aquatic production ponds and locations with silver-colored soil. pH can be quickly measured by litmus paper or pH meter.

o Determine whether neutralization of soil shall be taken: If pH of aquatic production ponds is greater than 7.0, neutralization

is not necessary. However, monitoring shall be maintained, especially during dry season.

If pH of aquatic production ponds is less than 7.0, lime powder shall be applied on the surface of newly excavated soil with initial ratio as directed in the Environmental Management Plan (see table 23)

Table 23: The amount of lime powder used for neutralization of acid sulphate soil based on the content of Sulphate

No. % SO42- kgH2SO4/ton Kg Lime/ton

1 0.1 1.021 1.976 2 0.15 1.531 3.063 3 0.16 1.633 3.280 4 0.17 1.735 3.498 5 0.18 1.838 3.715 6 0.19 1.940 3.932 7 0.2 2.042 4.150 8 0.21 2.144 4.367 9 0.22 2.246 4.585 10 0.23 2.348 4.802 11 0.24 2.450 5.020 12 0.25 2.552 5.237 13 0.26 2.654 5.454 14 0.27 2.756 5.672 15 0.28 2.858 5.889 16 0.29 2.960 6.107 17 0.3 3.063 6.324 18 0.35 3.573 7.411

o Monitoring and Evaluation: neutralization by using lime powder shall be carried out on a pilot section considered as least sensitive, and far from aquatic production ponds. After 24 hours from lime powder applied, pH of surrounding surface water shall be re-measured to decide appropriate amount of lime powder to be used for neutralization of the remaining sections.



6. CONCLUSION

- In general, environmental issues have been managed well by the Contractors. - Environmental Management System has been established for the whole project

and for each Contract Package. The Consultant and the Contractor have mobilized personnel in charge of Environmental Management. The Contractors and the Consultant have cooperated in environmental management.

- All the Environmental, Health and Safety Management and Traffic Control Plans have been approved by the Consultant. This is the framework of environmental management throughout the project. Meanwhile, the sequence of implementation and the contents of Environmental Report has been instructed by the Consultant, and the Contractors have started their obligations.

- Specific activities to minimize environmental impacts during construction have been done by the Contractors.

- The monitoring results show that the impacts of construction activities to the ambient air, noise, vibration and water is negligible. The environmental parameters monitored are lower than allowed limits specified in the National Technical Regulations. However, care shall be paid to Acid Sulphate Soil management. The Contractors are implementing the Consultant’s instructions to minimize the effects of Acid Sulphate Soil to aquaculture activities around the project area.

- However, the Contractors’ submission of Environment and Safety reports is tardy. Although the Contractors have mobilized their ESOs to undertake environmental management duties, some of the ESOs have not yet met all of their responsibilities.

- The Contractors’ measures to minimize environmental impacts in some locations has not been done adequately. In next period, in order for the Contractors to adequately perform their responsibilities for environmental protection, the Consultant shall frequently remind and instruct them.



APPENDIX Appendix 1.Some of sampling images

Cai San Bridge - CW7/2 Water sample: 7.2-1.CaiSan Air sample: 7.2-1.A2

Thoi Binh Bridge - CW7/3 Water sample: 1st7.3-Thoi Binh 2 Air sample: 1st7.3-A4

Soil Sample: 7.4-1.S1

Air sample: 7.4-1.A3

Thi Phung Bridge - CW7/4 Water sample: 7.4-1.W4



Appendix 2.Monitoring Results of Air, Noise and Vibration















Appendix 3.Monitoring Results of surface water



















Appendix 4.Monitoring Results of Soil











Appendix 5.Contents of Weekly Environmental and Safety Report







Documents

Environmental Monitoring Report - Asian Development … · PO Box 356 Cooma Tel : 61 (0)2 64520222 ... TCVN : Vietnam Standard ... ENVIRONMENTAL MONITORING REPORT Quarter 3/ 2011