ANNEX 1 List of key personnel participating in the EIA ...€¦ · water supply, drainage and sewer c

Report on Environmental Impact Assessment

Medium Cities Development Project– Lao Cai City Sub-project

____________________________________________________________________________________________

VIWASE – LAVIC Consulting Association

ANNEX 1

List of key personnel participating in the EIA preparation

1. Institutional Organization

Representation of Investor

- The name of Project Management Unit (PMU): PMU OF INVESTMENT OF

INFRASTRUCTURE FOR SUSTAINABLE DEVELOPMENT OF LAO CAI

CITY

- Director of PMU: Mr. Doan Van Huong, Vice Chairman of Provincial People’s

Committee of Lao Cai.

- Deputy Director of PMU: Mr. Nguyen Trong Hai, Deputy Director of Department

of Transportation.

EIA Consultant

- Name: Association Vietnam Water, Sanitation and Environment Joint Stock Company

(VIWASE) - Lac Viet Investment, Environment and Infrastructure Development Joint

Stock Company (LAVIC).

- Legal Representative: Mr. Nguyen Van Thanh, General Director of VIWASE.

- Dean of Project: Mr. Pham Danh Tam, Deputy Director of LAVIC.

2. Main personnel participating in EIA

- Team leader: Mr. Nguyen Le Phu, Master in Environment

- Key personnel:

o Mr. Trinh Anh Duc, Doctor in Environment

o Mr. Le Ba Viet Bach, Master in Environment

o Mr. Pham Bien Cuong, Master in Environmental Chemistry

o Ms. Tran Thi Hien, Master in Environment

- Besides, it also has the participation of some specialists in support activities.

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ANNEX 2

Figures and Maps

Annex 2-a Map of project's investment items

Annex 2-b Map of environmental sampling points

Annex 2-c Layout of drainage items under the scope Lao Cai MCDP subproject

Annex 2-d Diagram of waste water treatment technological process for WWTP

Annex 2-e Diagram of sludge treatment technological process for WWTP

Annex 2-f Diagram of odor treatment technological process for WWTP

Annex 2-g Plan of drainage arrangement for the resettlement areas

ANNEX 2-a. MAP OF PROJECT’S INVESTMENT ITEMS

Km00

Km950

Km5+700

Km6+500

Km9+200

Km9+400

Nam Cuong archaeological site

Pac Ta archaeological site

Vi Kim archaeological site

Cam Lo Pagoda- Doi Co Temple

5

4 3

4 Soi Lan historical site

21

Thuong Temple

Cam Temple Mau Temple

Already constructred by other projects in 2001 & 2004; Shall be constructed by this proeject.

Section (1),(3)&(5): Section (2)&(4):

GW4

S2

S3

W3

W13 S5

S1

W15

W14

W1

W2

S4

W11

W4

W12

W16

W5

W6 W7 W8 W10

W9

A1-1,2 A2-1,2

A3-1,2

A4-1,2

A5-1,2 A7-1,2

A8-1,2

A10-1,2 A9-1,2

WW-MẪU NƯỚC THẢI

SW-MẪU NƯỚC MẶT

SURFACE WATER SAMPLING

WASTE WATER SAMPLING SW-MẪU NƯỚC NGẦM GROUND WATER SAMPLING A-MẪU KHÔNG KHÍ AIR SAMPLING

S-MẪU BÙN SLUGE SAMPLING

HỢP PHẦN 1 / COMPOMENT 1



KHU TÁI ĐỊNH CƯ / RESETTLEMENT AREA

NHÀ VỆ SINH CÔNG CỘNG / PUBLIC TOILET

VỆ SINH TRƯỜNG HỌC / SCHOOL SANITATION

NẦNG CẤP , CẢI TẠO CÁC TUYẾN ĐƯỜNG / UPGRADING AND IMPROVING THE ROAD

CẤP NƯỚC, THOÁT NƯỚC MƯA, NƯỚC THẢI / WATER SUPPLY, DRAINAGE AND SEWER

CỐNG HỘP / DRAINAGE BOX

TXL NƯỚC THẢI / WWTP

TRẠM BƠM /PUMPING STATION

ĐƯỜNG / ROAD

CẦU LÀNG CHIÊNG / LANG CHIENG BRIDGE

GHI CHÚ / LEGEND

Suối Ngòi Đum Ngoi Dum stream

CHINA

D1 road

ANNEX 2-b. MAP OF ENVIRONMENTAL SAMPLING POINTS

DỰ ÁN PHÁT TRIỂN CÁC ĐÔ THỊ LOẠI VỪA - TIỂU DỰ ÁN THÀNH PHỐ LÀO CAI MEDIUM CITIES DEVELOPMENT PROJECT - LAO CAI SUB-PROJECT

GW3

GW2

GW1

Di tích Soi Lần / Soi Lan historical site

- Dong Ha resettlement area: to be divided in to 2 sub-catchments:

+ Sub-catchment 1: Pipelines on roads B12, DM3, DM2, D1, DM1, D5 (limited by road T7) with sizes of D600, D800 connecting to the existing pipeline D1500 on road T8 then discharged to Red River.

+ Sub-catchment 2: Pipelines on roads B12, DM3, DM2, D1, DM1, D5 (limited by road T8) with sizes of D600, D800 connecting to the existing pipeline D1000 on road T9 in B9 residential area.

- Soi Lan resettlement area:

+ Pipelines on roads B12, DM3, DM2, D1, DM1, D5 (limited by roads T10 & B10) with sizes of D600, D800, D1000 connecting to the existing pipeline D1500 on road B10 then discharged to Red River.

Domestic wastewater from households shall pre-treated by septic tanks (similarly as existing in other areas in Lao Cai City). Wastewater after going through households’ septic tanks will be collected to the combined sewers

to be discharged to Red River.

Existing sewer

(dashed blue

line)

Planned new sewers

(red line)



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ANNEX 3

Environmental quality analytical results and baseline data

3-a) Results of environmental quality survey in August 2010

The table of description of sampling locations

Sample Quantity Description

Surface

water/

wastewater

16

W1- Waste water sample on

channel Ngô Gia Tự-Duyên

Hà-Hoàng Sào (Duyen Hai

ward)

-This channel is proposed for improvement

because of flooding.

-Evaluation of existing waste water quality


channel of Coc leu ward

- From Phan Chu Trinh across Dang Tran

Con, parallel with Luong Van Can, Phan

Chu Trinh, Phan Huy Chu.

- This channel is proposed for improvement


- Evaluation of existing waste water quality


channel proposed to improve

in Kim Tan ward

- This channel is proposed for improvement


- Evaluation of existing waste water quality

W4- Red river water sample

after confluence with Nam

Thi river (500m towards

downstream)

- Far 500m towards downstream of

confluence of Red river and Nam Thi river

(is building Coc Leu bridge).

-Describe water quality in riverhead

W5- Red river water sample

at waste water treatment

plant.

- Evaluate river water quality, water quality

of receiving source before project

W6, W7, W8, W9, W10,

W11- are 6 waste water

samples at outlets

discharging directly into Red

river along riverbank’s

embankment

W12-Water sample at Ngoi

Dum stream- near the

intersection of Ngo Quyen-

Yet Kieu

-The area is proposed to construct Ngoi Dum

bridge

-Describe surface water existing situation in

project area before construction

W13-Waste water sample at

discharge outlet on Coc Sa

road

-As designing, waste water at this area will

be pumped to proposed treatment plant for

treatment.

-Primary evaluation of waste water quality in

the area, to evaluate waste water inlet of

treatment plant.


discharge outlet on B8 road

-Waste water is currently discharged into

Lang Lon stream (Ngoi Duong).

-Waste water will be pumped to waste water



____________________________________________________________________________________________


treatment plant of project latter

- Evaluate waste water quality in the area,

and realize inlet quality of treatment plant


discharge outet on Bac Lenh

bridge

-Waste water from residential area, offices

on Tran Hung Dao road.

- Waste water will be pumped to waste water

treatment plant of project latter

-At the present, waste water is discharged to

Lang Lon stream

W16-Water sample on Lang

Lon stream (Ngoi Duong) on

Lang Chieng bridge

-At this area, Lang Chieng bridge will be

constructed.

- This stream have high water flow in Lao

Cai city, discharge directly into Red river;

-Describe existing surface water

environment before construction

Underground

water

4

(sign

from

GW1 to

GW4)

-Take underground water sample in households on D1 road (people in two

resettlement areas Dong Ha, Soi Lan use underground water), near waste

water treatment plant .

-Evaluate underground water quality before construction of D1 road; two

resettlement areas and waste water treatment plant.

-Specific location is defined in sampling process

Air sample,

microclimate,

noise (take 2

times/day in

the morning

and the

afternoon)

20 A1-1, A1-2: Air sample on Tran

Hung Dao road, far 400km from Bac

Cuong bridge towards B1

-The roads have a lot of material

transportation vehicles.

-Evaluate current air baseline

environmental quality

A2-1, A2-2: Air sample at Binh

Minh intersection, at the end of Tran

Hung Dao road

-Intersection of end D1 road and the

beginning of Tran Hung Dao

extension road.

-The road has a lot of material

transportation vehicles.

-Near Cam Lo pagoda-Doi Co temple

A3-1, A3-2: Air sample at

intersection B5-D1

-At this area, building D1 road, near

Giang Dong bridge, households on

D1 road, Provincial department of

Tax.

-Evaluate air environment before

construction

A4-1, A4-2: Air sample at

intersection B8-D1

-At this area, building D1 road, Lang

Chieng bridge, waste water treatment

plant. The area is near 500-bed

hospital in progress.

-Evaluate existing air environment

before construction.

A5-1, A5-2: Air sample at the front

of hostel of College of education

-This is the beginning point of B10

construction in the project scale. At

the present, traffic was connected

(B9 road).

- Evaluate existing air environment



____________________________________________________________________________________________


before construction

A6-1, A6-2: Air sample at the end

point of Tran Hung Dao extension

road on national way 4E (near Gia

Phu bridge)

- Evaluate existing air environment


A7-1, A7-2: Air sample near

intersection of Ngo Quyen- Yet

Kieu, towards Ngoi Dum stream

-At this area, building Ngoi Dum

bridge.

- road surface and drainage sewers on

two sides of Ngo Quyen road will be

upgraded.

-Evaluate existing air environment


A8-1, A8-2: on Muong Than street,

at construction site of Hong Long

kindergarten

- The box sewers with length of 923

m along roads in Kim Tan ward is

constructed

A9-1, A9-2: Intersection on Hoang

Hoa Tham and Phan Chu Trinh

- The area will be affected by dust

because of construction of box

sewers 442 m of project

A10-1, A10-2: Intersection of Hoang

Lien and Hoang Sao

- The area will be affected by

construction of box sewers 527 m of

project

Sediment

sample

5 S1: Sludge sample at discharge outlet

on B8 road

S2, S3, S4: 3 sludge samples on

channels which are proposed to

renovate (at the location of taking

waste water samples 1, 2, 3)

S5: Sludge sample at discharge outlet

Coc Sa

-Evaluate existing environmental

quality

Analytical results from the survey

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3-b) Other baseline data collected during EIA study

* Water quality of Nam Thi River in 2003-2004

No Paramaters Unit Results TCVN 5942-95

2003 2004 A B

1 T0C

0C 28 27 - -

2 pH pH 7.2 7.5 6-8.5 5.5-9

3 DO mg/l 5.6 5.5 6 2

4 EC S/cm 271 285 - -

5 TSS mg/l 5.04 15.5 20 80

6 BOD5 mg/l 0.35 1.5 <4 <25

7 COD mg/l 2.94 3.5 <10 <35

8 NO2- mg/l 0.012 0.01 0.01 0.05

9 NO3- mg/l 0.02 0.12 10 15

10 Hg mg/l 0.0001 0.0001 0.001 0.002

11 As mg/l 0.0001 0.0001 0.05 0.1

12 Pb mg/l 0.09 0.05 0.05 0.1

13 Cu mg/l 0.01 0.01 0.1 1

14 Cd mg/l 0.06 0.05 0.01 0.02

15 Zn mg/l 0.086 0.09 1 2

16 CN-

mg/l 0.001 0.001 0.01 0.05

Source: DONRE of Lao Cai. Report on existing environmental situation, 2005.

* Water quality of Nam Thi River in 2006

No Parameters Unit Results

TCVN-5942-

1995-col A

QCVN 08:2008/BTNMT-

Column A2

1 pH - 6.93 6 - 8.5 6-8.5

2 DO mg/l 4.2 > 6 >5

3 TSS mg/l 52 20 30

4 COD mg/l 56 < 10 15

5 BOD5 mg/l 27 < 4 6

6 Pb mg/l < 0.001 0.05 0.02

7 As mg/l < 0.003 0.05 0.02

8 Cd mg/l KPH 0.01 0.005

9 Hg mg/l KPH 0.001 0.001

10 Cu mg/l 0.10 0.1 0.2

11 Cr6+

mg/l 0.02 0.05 0.02

12 Ni mg/l 0.01 0.1 0.1



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13 Fe mg/l 0.23 1 1

14 Mn mg/l 0.10 0.1

15 NO2-

mg/l 0.04 0.01 0.02

16 Coliform MPN/100ml 1200 10,000 5000

Source: DONRE of Lao Cai. Report on Lao Cai existing environmental situation, 2006.



____________________________________________________________________________________________


ANNEX 4

Theoretical formula and calculation

Table A4-1. Exhaust gases generated from transportation means

Means Unit (U) TSP SO2 NOX CO VOC

kg/U kg/U kg/U kg/U kg/U

Trucks using oil

Transport within the city 1000 km 0.4 4.5S 4.5 70 7

Tons of fuel 3.5 20S 20 300 30

Transport on high way 1000 km 0.6 3.3S 7.5 50 3.5

Tons of fuel 3.6 20S 45 300 20

Truck with load from 3.5 - 16 tons using heavy diezel

Transport within the city 1000 km 0.9 4.29S 11.8 60 2.6

Tons of fuel 4.3 20S 55 28 12

Vehicles produced in phase 1985 – 1992

Engine 1400 - 2000 cc 1000 km 0.07 1.62S 1.78 15.73 2.23

Tons of fuel 0.86 20S 22.02 194.7 27.65

Engine >2000cc 1000 km 0.07 1.85S 2.51 15.73 2.23

Tons of fuel 0.76 20S 27.11 169.7 24.09

Source: WHO, 1993. S fraction in diesel is accounted for 0.7%.

Table A4-2. Theoretical noise level caused by different construction equipment

No Types of machines Noise (dB) No Types of machines Noise (dB)

1 Derrick (measured at

distance of 15,24 m)

81 7 Sludge and excess soils and

rocks treatment machines

(noise is measured at source)

99

2 Bulldozer (measured at


88 8 Fuel machine (noise is

measured at source)

93

3 Grader (measured at


85 9 Derrick (noise is measured at

source)

101

4 V.Roller (measured at


74 10 Blower (noise is measured at

source)

91

5 Dump truck (measured at


88 11 Air compressor 81

6 Cutter (measured at


93 12 Concrete mixer 85

13 Pile binding machine 98

Source: The US Federal Transit Admistration (FTA), 2006.



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Table A4-3.Vibration generated from construction machines (at distance of 7.62 m) No Machines Vibration (cm/s)

1 Excavation machine (press) 1.9

2 Excavation machine (nomal) 0.4

3 Absorbing mud machine 0.5

4 Vibrating machine 0.5

5 Ramming machine 0.2

6 Big bulldozer machine 0.2

7 Borer machine (with tanks) 0.2

8 Dump track (full) 0.2

9 Hammer Borer 0.1

10 Small bulldozer 0.008

Source: The US Federal Transit Admistration (FTA), 2006.

* River water Quality Modeling for Ngoi Dum Stream and Red River:

To estimate the pollutant concentrations in the Ngoi Dum stream and Red River water after

receiving the discharges from WWTP, we used the “River Water Quality Model No.1” (RWQM

No.1) written by International Water Association. The changes of water quality in Ngoi Dum

stream and Red River in case of operation failure are predicted for two scenarios as followings:

- Scenario 1: 4,300 m3/day of untreated wastewater will be discharged directly into the

Ngoi Dum stream in case of operation failure.

- Scenario 2: 9,900 m3/day of untreated wastewater will be discharged directly into the

Ngoi Dum stream in case of operation failure.

The estimated distance from the outlet of WWTP in the Ngoi Dum stream to the confluence with

Red River is of about 2.5 km. Average water flow of Ngoi Dum stream at the downstream section

during the dry season is about 0.6m/s.

The modeling results about water quality trends in the Ngoi Dum downstream following 2

scenarios are represented in the following figures:

0

2

4

6

8

10

12

14

16

0 500 1000 1500 2000 2500 3000

Ngoi Dum (m)

BO

D

Scenario 1

Scenario 2

Figure A4-1. Simulated trends of BOD5 concentration in the Ngoi Dum stream after

receiving untreated waste water from operation failure of WWTP.

Discharge point

Cross-point with

Red River

QCVN 08/2008/BTNMT – Column B1



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0

0,5

1

1,5

2

2,5

3

3,5

4

4,5

0 500 1000 1500 2000 2500 3000

Ngoi Dum (m)

Tot

N (

mg/L

)

Scenario1

Scenario 2

Figure A4-2. Simulated trends of total nitrogen concentration in the Ngoi Dum stream

after receiving untreated waste water from operation failure of WWTP.

0

0,1

0,2

0,3

0,4

0,5

0,6

0 500 1000 1500 2000 2500 3000

Ngoi Dum (m)

Tot

P (

mg/L

)

Scenario 1

Scenario 2

Figure A4-3. Simulated trends of total phosphorous concentration in the Ngoi Dum

stream after receiving untreated waste water from operation failure of WWTP.

The above results show that even for the worst case of WWTP’s operation and whole untreated

wastewater will be directly discharged into the Ngoi Dum stream; the pollutant concentrations will

increase but still meet the allowable standard limits of QCVN 08/2008/BTNMT – class B1. At the

confluence with Red River, the water quality of Ngoi Dum stream for scenario 1 and 2 will vary

from 8.0 to 12.0 mg/l O2 for BOD5; from 3.1 to 3.7 mg/L for total nitrogen; from 0.25 to 0.38

mg/L for total phosphorous; and between 16.6 and 24.1 mg/l O2 for COD (extrapolated results

from BOD), respectively.

Due to water flow of the Red River in the dry season is about 40 times greater than the Ngoi Dum

water flow, the impacts on its water quality is quite low due to its high dilution capacity. The

BOD5 concentrations in the Red River water after receiving and mixing with Ngoi Dum water

when WWTP breakdown taking place could be calculated as following:



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[BOD5]Red River, after mixing = ([BOD5]Ngòi Đum, confluence point + [BOD5]Red River, baseline*39) / 40

Predicted BOD5 concentrations in the Red River after mixing with Ngoi Dum water at the

confluence for Scenario 1 and 2 are:

- For scenario 1: BOD5Scenario 1 = (8 + 2.7*39) / 40 = 2.83 mg/l O2;

- For scenario 2: BOD5Scenario 2 = (12 + 2.7*39) / 40 = 2.94 mg/l O2.

- Similarly, COD concentrations in the Red River after mixing with Ngoi Dum water at the

confluence for scenrios 1 and 2 are:For scenario 1: CODScenario 1 = (16.6 + 5.6*39) / 40

= 5.9 mg/l O2;

- For scenario 2: CODScenario 2 = (24.0 + 5.6*39) / 40 = 6.0 mg/l O2.

To forecast the pollutant dispersion at downstream of Red River, we applied for the most important

parametter, BOD5 as a typical case and assumed that BOD reduction vs time depends totally on

natural BOD decomposition process and ignored all other factors such as adsorption by suspension

particles, flocculation, precipitation/sedimentation, etc.

The variation of BOD concentrations versus time in downstream Red River could be calculated

following the simplified equation (Curi K., 1980):

BODt = BODo *10-kt

In which:

o BODt : is the BOD concentration (in mg/L) at t time units away from the source;

o BODo: is the initial BOD in the river at the confulence point after mixing (mg/L); in

this case BODo is considered as 2.83 for Scenario 1, and 2.94 for Scenario 2.

o t : is the time (day);

o k: is the BOD degradation coefficient; this case k is considered as 0.04 (day-1

).

Because the minimum flow (Vmin) of Red River in the dry season is about 0.5m/s (equally 43.2

km/day), accordingly, the BOD dispersion at different distances towards downstream of Red River

was also simulated as shown in Table 43.

Table A4-4. Variation of BOD5 concentrations in Red River downstream water versus

time and distance a part from the WWTP outlet

Time (day) Distance (km) BOD5 (mg/L O2)

Scenario 1 Scenario 2

0 0 2.83 2.94

0.1 4.32 2.80 2.91

0.2 8.64 2.78 2.89

0.3 12.96 2.75 2.86

0.4 17.28 2.73 2.83

0.5 21.60 2.70 2.81

0.6 25.92 2.68 2.78

0.7 30.24 2.65 2.76

0.8 34.56 2.63 2.73

1 38.88 2.58 2.68



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2,40

2,50

2,60

2,70

2,80

2,90

3,00

0 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1

Time (day)

BO

D5

(m

g/L

O2

)

Scenario1 Scenario2 Baseline

Figure A4-4. Simulated BOD concentrations versus time after receiving untreated

wastewater from WWTP's operation failure.

2,40

2,50

2,60

2,70

2,80

2,90

3,00

0 4 9 13 17 22 26 30 35 39 43

Distance (km)

BO

D5 (

mg/L

O2)

Scenario1 Scenario2 Baseline

Figure A4-3 Simulated BOD concentrations versus time after receiving untreated

wastewater from WWTP's operation failure.

The above calculation shows that BOD5 concentration in the Red River will always meet the

allowable standard A2 of the QCVN 08/2008/BTNMT, which is applied for domestic water supply

and therefore suitable for aquatic life preservation.



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ANNEX 5

Environmental Codes of Practice (ECOPs) for Urban

Construction Projects

The World Bank Operational Policy (OP) on Environmental Assessment (OP 4.01) requires

environmental assessment (EA) of Bank-financed projects to ensure they are environmentally

sound and sustainable. EA is a process of analyzing potential environmental risks and of the

identification and adoption of measures to avoid or mitigate such impacts.

As a part of EA, an Environmental Management Plan (EMP) is a safeguards instrument that is

typically used in many projects and which consists of information on and guidance for the

process of mitigating and managing adverse environmental impacts throughout project

implementation.

Environmental codes of practice (ECOPs) are mitigation measures for generic impacts from

project activities during the construction phase and are intended to be included in the bidding

documents as requirements directed to the construction contractor. ECOPs are not a formally

recognized World Bank safeguards instrument but their use, as part of an EMP, is a convenient

and effective way to ensure that generic and typical construction impacts are adequately

mitigated during project implementation.

If impacts require site-specific mitigation measures that are not adequately covered in these

generic ECOPs, they must be addressed separately in the EMP. These ECOPs also do not cover

impacts from worker camps (assuming they would not generally be needed for small urban

works projects), impacts from large works (bridges, tunnels, big roads). Social impacts caused by

involuntary resettlement or involving ethnic minorities are addressed in other safeguard

instruments. The ECOPs cover dredging operations producing relatively small amounts of

sludge, whilst very large amounts or seriously contaminated sludge would need to be handled

through a separate set of procedures outside of the scope of these ECOPs.

MAIN ENVIRONMENTAL AND SOCIAL ISSUES DURING URBAN WORKS

CONSTRUCTION

Construction activities for small works governed by these ECOPS are those whose impacts are

of limited extent, temporary and reversible, and readily managed with good construction

practices. The environmental and social issues covered in this document are:

Dust generation

Air pollution

Impacts from noise and vibration

Water pollution

Drainage and sedimentation control

Management of stockpiles, quarries, and borrow pits

Solid waste

Chemical and hazardous wastes



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Management of dredged materials

Disruption of vegetative covers and ecological resources

Traffic management

Interruption of utility services

Restoration of affected areas

Worker and public safety

Communication with local communities

Chance findings

VIETNAMESE LEGAL AND REGULATORY FRAMEWORK

There are a number of Government of Vietnam (GoV) regulations, standards, code of practices,

etc. related to environmental and safety aspects that are relevant to construction activities and

environmental quality. The principal ones related to issues covered by these ECOPs are listed

below (not an exhaustive list):

Vietnamese Environment Standards: including standards on sampling and sample

preservation; analysis methods; standards on quality of air, surface water, groundwater,

soils, standards on emission, waste water, standards on dumps, and standards on

incinerators. These include:

(i) QCVN 05:2009/BTNMT: National technical regulation on Ambient Air Quality ;

(ii) QCVN 06:2009/BTNMT: National technical regulation on hazardous substances

in ambient air;

(iii) QCVN 08:2008/BTNMT – National technical regulation on quality of surface

water

(iv) QCVN 09:2008/BTNMT: Water Quality: National Technical regulation on

underground water quality;

(v) QCVN 14:2008/BTNMT: National technical regulation on domestic wastewater

(vi) QCVN 24: 2009/BTNMT: National technical regulation on industrial

wastewater;

(vii) TCVN 7222: 2002: General requirements on centralized wastewater treatment

plant;

(viii) QCVN 25:2009/BTNMT: National Technical Regulation on wastewater of

landfills

(ix) QCVN 07:2010/BXD: Sectoral technical regulations on municipal WWTPs

(x) QCVN 15:2008/BTNMT: National technical regulation on the pesticide residues

in the soils;

(xi) QCVN 03:2008/BTNMT: National technical regulation on the allowable limits of

heavy metals in the soils;

(xii) QCVN 26:2010/BTNMT: National Technical Regulation on Noise



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(xiii) QCVN 27:2010/BTNMT: National technical regulation on vibration

(xiv) QCVN 07:2010/BXD: National technical standard on urban technical

infrastructure

Basics for Safety/Construction: Location of the disposal sites and other use purposes shall

be agreed with the local authorities and all earth works shall comply with:

(i) Law on traffic and transportation No. 23/2008/QH12

(ii) Law on construction No. 16/2003/QH11

(iii) Decree No. 73/2010/ND-CP on administrative penalization security and society

issues

(iv) Decree No. 88/2007/ND-CP on drainage in urban areas and industry zones

(v) Decree No. 12/2009/ND-CP on management of project

(vi) Decree No. 59/ND-CP on management of solid waste

(vii) Decree No. 1338/NĐ-CP on technical guidelines for construction within weak

foundation area

(viii) Decree No. 22/2010/TT-BXD on regulation of construction safety;

(ix) Circular No. 12/2011/TT-BTNMT on management of hazardous substance

(x) Decision No. 35/2005/QD-BGTVT on inspection of quality, technical safety and

environmental protection;

(xi) Instruction No. 02 /2008/CT-BXD on safety and sanitation issues in construction

agencies

(xii) TCVN 5308-91: Technical regulation on safety in construction

(xiii) TCVN 7222:2002: General requirements on waste water treatment plants

(xiv) TCVN 4447:1987: Earth works-Codes for construction

(xv) Air, noise, and vibration control requirements stipulated in the TCVN4087: 1985-

(Use of building plants-General requirements);

Chance find procedure

(i) Law on Cultural Heritage (2002)

(ii) Law on Cultural Heritage (2009) for supplementary and reformation

(iii) Decree No. 98/2010/ND-CP for supplementary and reformation

MONITORING AND REPORTING REQUIREMENTS

Non-compliance by the contractor could result in suspension of works, financial penalties, or

other penalties, as must be clearly spelled out in the EMP and in the contract.

Contractors are responsible for implementation of ECOPs. The responsibilities for monitoring

ECOPs implementation are typically shared between the contractor, the PMU, and the

Construction Supervision Consultant (CSC) with assistance from the Independent Environmental



____________________________________________________________________________________________


Management Consultant (IEMC). The Contractor’s Work Plan should incorporate the guidelines

provided in these ECOPs as well as the Environmental Management Plan (EMP) created for the

sub-project. The designated Technical Officer(s) and Safeguards Officer(s) of the PMUs are

responsible for supervising the adherence to the agreed EMP by the selected contractor(s)

through periodic audits. The World Bank may periodically supervise implementation activities of

Bank-financed projects. The monitoring requirements will differ from project to project and

these are described in the relevant sections of the project EMP.

At a minimum, the contractor should prepare a monthly report on adherence to ECOPs which

should be submitted to the CSC and to the PMU. Project-specific or contract-specific reporting

requirements are described in the EMP. IEMC is responsible for monitoring overall

environmental performance of the project and submit to PMUs quarterly monitoring reports.


Medium Cities Development Project – Lao Cai City Subproject

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STANDARDIZED ENVIRONMENTAL CODES OF PRACTICE (ECOPs)

ENVIRONMENTAL –

SOCIAL ISSUES

MITIGATION MEASURE VIETNAM

CODE/REGULATION

1. Dust generation The Contractor is responsible for compliance with relevant Vietnamese

legislation with respect to ambient air quality.

The Contractor shall ensure that the generation of dust is minimized and is not

perceived as a nuisance by local residents and shall implement a dust control plan

to maintain a safe working environment and minimize disturbances for

surrounding residential areas/dwellings.

The Contractor shall implement dust suppression measures (e.g. use water

spraying vehicles to water roads, covering of material stockpiles, etc.) as

required.

Material loads shall be suitably covered and secured during transportation to

prevent the scattering of soil, sand, materials, or dust.

Exposed soil and material stockpiles shall be protected against wind erosion and

the location of stockpiles shall take into consideration the prevailing wind

directions and locations of sensitive receptors.

Dust masks should be used where dust levels are excessive

QCVN 05:

2009/BTNMT:

National technical

regulation on

ambient air quality

2. Air pollution All vehicles must comply with Vietnamese regulations controlling allowable

emission limits of exhaust gases.

Vehicles in Vietnam must undergo a regular emissions check and get certified

named: “Certificate of conformity from inspection of quality, technical safety and

environmental protection” following Decision No. 35/2005/QD-BGTVT;

There should be no burning of waste or construction materials (eg. bitumen etc.)

on site.

Cement processing plants should be far from residential areas

TCVN 6438-2005:

Road vehicles

Maximum permitted

emission limits of

exhaust gas.

No. 35/2005/QD-

BGTVT on

inspection of quality,

technical safety and

environmental

protection;

QCVN

05:2009/BTNMT:



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ENVIRONMENTAL –

SOCIAL ISSUES


CODE/REGULATION

National technical

regulation on

ambient air quality

3. Impacts from noise

and vibration The contractor is responsible for compliance with the relevant Vietnamese

legislation with respect to noise and vibration.

All vehicles must have appropriate “Certificate of conformity from inspection of

quality, technical safety and environmental protection” following Decision No.

35/2005/QD-BGTVT; to avoid exceeding noise emission from poorly maintained

machines.

When needed, measures to reduce noise to acceptable levels must be

implemented and could include silencers, mufflers, acoustically dampened panels

or placement of noisy machines in acoustically protected areas.

Avoiding or minimizing transportation though or material processing near

community areas

QCVN

26:2010/BTNMT:

National technical

regulation on noise

QCVN

27:2010/BTNMT:

National technical

regulation on

vibration

4. Water pollution The Contractor must be responsible for compliance with the relevant Vietnamese

legislation relevant to wastewater discharges into watercourses.

Portable or constructed toilets must be provided on site for construction workers.

Wastewater from toilets as well as kitchens, showers, sinks, etc. shall be

discharged into a conservancy tank for removal from the site or discharged into

municipal sewerage systems; there should be no direct discharges to any

waterbody.

Wastewater over standards set by relevant Vietnam technical

standards/regulations must be collected in a conservancy tank and removed from

site by licensed waste collectors.

Using techniques as berming or diversion during construction to limit the

exposure of disturbed sediments to moving water

Make appropriate arrangements for collecting, diverting or intercepting

wastewater from households to ensure minimal discharge or local clogging and

flooding

QCVN

09:2008/BTNMT:

National Technical

Standard on

underground water

Quality

QCVN

14:2008/BTNMT:

National technical

regulation on

domestic wastewater;

QCVN 24:

2009/BTNMT:

National technical

regulation on



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ENVIRONMENTAL –

SOCIAL ISSUES


CODE/REGULATION

Before construction, all necessary wastewater disposal permits/licenses and/or

wastewater disposal contract have been obtained

At completion of construction works, wastewater collection tanks and septic

tanks shall be safely disposed or effectively sealed off.

industrial

wastewater;

TCVN 7222: 2002:

General requirements

on centralized

wastewater treatment

plant;

5. Drainage and

sedimentation

control

The Contractor shall follow the detailed drainage design included in the

construction plans, intended to prevent storm water from causing local flooding

or scouring slopes and areas of unprotected soil resulting in heavy sediment loads

affecting local watercourses.

Ensure drainage system is always maintained cleared of mud and other

obstructions.

Areas of the site not disturbed by construction activities shall be maintained in

their existing conditions.

Earthworks, cuts, and fill slopes shall be properly maintained, in accordance with

the construction specifications, including measures such as installation of drains,

use of plant cover.

To avoid sediment-laded runoff that could adversely impact watercourses, install

sediment control structures where needed to slow or redirect runoff and trap

sediment until vegetation is established. Sediment control structures could

include windrows of logging slash, rock berms, sediment catchment basins, straw

bales, storm drain inlet protection systems, or brush fences.

Site de-watering and water diversions: In the case that construction activities

require that work be carried out within the watercourse (e.g. culvert or bridge

crossing construction, retaining wall construction, erosion protection works), the

work area must be dewatered to provide for construction in dry conditions. The

sediment laden water pumped from the work area must be discharged to an

appropriate sediment control measure for treatment before re-release to the

TCVN 4447:1987:

Earth works-Codes

for construction

Decree No.

22/2010/TT-BXD on

regulation of

construction safety

QCVN

08:2008/BTNMT –

National technical

regulation on quality

of surface water



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ENVIRONMENTAL –

SOCIAL ISSUES


CODE/REGULATION

stream.

Stream diversions or construction of cofferdams would require site-specific

mitigation measures in the EMP.

6. Management of

stockpiles, quarries,

and borrow pits

Large scale borrow pits or stockpiles will need site-specific measures that go

beyond those in these ECOPs.

All locations to be used must be previously identified in the approved

construction specifications. Sensitive sites such as scenic spots, areas of natural

habitat, areas near sensitive receptors, or areas near water should be avoided.

An open ditch shall be built around the stockpile site to intercept wastewater.

Stockpile topsoil when first opening a borrow pit and use it later to restore the

area to near natural conditions.

If needed, disposal sites shall include a retaining wall.

If the need for new sites arises during construction, they must be pre-approved by

the Construction Engineer.

If landowners are affected by use of their areas for stockpiles or borrow pits, they

must be included in the project resettlement plan.

If access roads are needed, they must have been considered in the environmental

assessment.

7. Solid waste Before construction, a solid waste control procedure (storage, provision of bins,

site clean-up schedule, bin clean-out schedule, etc.) must be prepared by

Contractors and it must be carefully followed during construction activities.

Before construction, all necessary waste disposal permits or licenses must be

obtained.

Measures shall be taken to reduce the potential for litter and negligent behavior

with regard to the disposal of all refuse. At all places of work, the Contractor

shall provide litter bins, containers and refuse collection facilities.

Solid waste may be temporarily stored on site in a designated area approved by

the Construction Supervision Consultant and relevant local authorities prior to

collection and disposal through a licensed waste collector, for example,

Decree No.

59/2007/ND-CP on

solid waste

management



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ENVIRONMENTAL –

SOCIAL ISSUES


CODE/REGULATION

URENCO.

Waste storage containers shall be covered, tip-proof, weatherproof and scavenger

proof.

No burning, on-site burying or dumping of solid waste shall occur.

Recyclable materials such as wooden plates for trench works, steel, scaffolding

material, site holding, packaging material, etc shall be collected and separated

on-site from other waste sources for reuse, for use as fill, or for sale.

If not removed off site, solid waste or construction debris shall be disposed of

only at sites identified and approved by the Construction Supervision Consultant

and included in the solid waste plan. Under no circumstances shall the contractor

dispose of any material in environmentally sensitive areas, such as in areas of

natural habitat or in watercourses.

8. Chemical or

hazardous wastes Chemical waste of any kind shall be disposed of at an approved appropriate

landfill site and in accordance with local legislative requirements. The Contractor

shall obtain needed disposal certificates.

The removal of asbestos-containing materials or other toxic substances shall be

performed and disposed of by specially trained and certified workers.

Used oil and grease shall be removed from site and sold to an approved used oil

recycling company.

Used oil, lubricants, cleaning materials, etc. from the maintenance of vehicles

and machinery shall be collected in holding tanks and removed from site by a

specialized oil recycling company for disposal at an approved hazardous waste

site.

Used oil or oil-contaminated materials that could potentially contain PCBs shall

be securely stored to avoid any leakage or affecting workers. The local DONRE

must be contacted for further guidance.

Unused or rejected tar or bituminous products shall be returned to the supplier’s

production plant.

Relevant agencies shall be promptly informed of any accidental spill or incident.

Store chemicals appropriately and with appropriate labeling

Decision No.

23/2006/QD-

BTNMT with list of

hazardous substance

Circular No.

12/2011/TT-BTNMT

on management of

hazardous substance



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ENVIRONMENTAL –

SOCIAL ISSUES


CODE/REGULATION

Appropriate communication and training programs should be put in place to

prepare workers to recognize and respond to workplace chemical hazards Prepare and initiate a remedial action following any spill or incident. In this case,

the contractor shall provide a report explaining the reasons for the spill or

incident, remedial action taken, consequences/damage from the spill, and

proposed corrective actions.

9. Management of

dredged materials Dredging plan should be established including time schedule, method statement

to meet the requirements of traffic safety, public health, and environmental

sanitation. In order to ensure dredging that is consistent with environmental

regulations, key decision makers (local authority, DONRE, utility company,

CSC, etc.) must be involved and concur in each key decision point in the process

leading to preparation and implementation of a plan.

Characteristics of sludge/sediment should be determined by sampling and

analysis if not already fully evaluated during the EIA. Sludge that is heavily

contaminated would require measures that go beyond the scope of these ECOPs.

Ensure that dredged material management plans incorporate environmental

considerations in the identification of short-term and long-term disposal

alternatives, consider methods to reduce dredging, and maximize the beneficial

use of dredged materials.

Lixiviate from dredged materials should not be allowed to enter watercourses

without appropriate filtering or treatment.

Collected dredged materials have to be processed, as per Vietnamese regulations

on waste collection, to ensure safe and environmentally secure transportation,

storage, treatment and management

Those involved in handling of sludge should be specialized and have certification

of sludge handling. Guidelines for certification of sludge handling is in the

Circular No. 12/2011/TT-BTNMT on management of hazardous substance

Sanitary landfill site should meet technical requirements, based on level of

potential contamination. In the case of disposal at a dumpsite, a hazardous cell

may need to be constructed if sludge is contaminated by heavy metals,

Decision No.

23/2006/QD-

BTNMT with list of

hazardous substance

Decree No.

59/2007/ND-CP on

solid waste

management

Circular No.

12/2011/TT-BTNMT

on management of

hazardous substance



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ENVIRONMENTAL –

SOCIAL ISSUES


CODE/REGULATION

10. Disruption of

vegetative cover and

ecological resources

The Contractor shall prepare a Clearance, Revegetation and Restoration

Management Plan for prior approval by the Construction Engineer, following

relevant regulations. The Clearance Plan shall be approved by Construction

Supervision Consultant and followed strictly by contractor. Areas to be cleared

should be minimized as much as possible.

Site clearance in a forested area is subject to permission from Department of

Agriculture and Rural Development

The Contractor shall remove topsoil from all areas where topsoil will be

impacted on by rehabilitation activities, including temporary activities such as

storage and stockpiling, etc; the stripped topsoil shall be stockpiled in areas

agreed with the Construction Supervision Consultant for later use in re-

vegetation and shall be adequately protected.

The application of chemicals for vegetation clearing is not permitted.

Prohibit cutting of any tree unless explicitly authorized in the vegetation clearing

plan.

When needed, erect temporary protective fencing to efficiently protect the

preserved trees before commencement of any works within the site.

No area of potential importance as an ecological resource should be disturbed

unless there is prior authorization from CSC, who should consult with PMUs,

IEMC and the relevant local authorities. This could include areas of breeding or

feeding of birds or animals, fish spawning areas, or any area that is protected as a

green space.

The Contractor shall ensure that no hunting, trapping shooting, poisoning of

fauna takes place.

Law on Environment

protection No.

52/2005/QH11

11. Traffic management Before construction, carry out consultations with local government and

community and with traffic police.

Significant increases in number of vehicle trips must be covered in a construction

plan previously approved. Routing, especially of heavy vehicles, needs to take

into account sensitive sites such as schools, hospitals, and markets.

Law on traffic and

transportation No.

23/2008/QH12

Law on construction

No. 16/2003/QH11



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ENVIRONMENTAL –

SOCIAL ISSUES


CODE/REGULATION

Installation of lighting at night must be done if this is necessary to ensure safe

traffic circulation.

Place signs around the construction areas to facilitate traffic movement, provide

directions to various components of the works, and provide safety advice and

warning.

Employing safe traffic control measures, including road/rivers/canal signs and

flag persons to warn of dangerous conditions.

Avoid material transportation for construction during rush hour.

Passageways for pedestrians and vehicles within and outside construction areas

should be segregated and provide for easy, safe, and appropriate access. Signpost

shall be installed appropriately in both water-ways and roads where necessary.

Decree No.

22/2010/TT-BXD on

regulation of

construction safety

12. Interruption of

utility services Planned and unplanned interruptions to water, gas, power, internet services: the

Contractor must undertake prior consultation and contingency planning with

local authorities about the consequences of a particular service failure or

disconnection.

Coordinate with relevant utility providers to establish appropriate construction

schedules.

Provide information to affected households on working schedules as well as

planned disruptions (at least 5 days in advance).

Interruptions of water supply to agricultural areas must also be avoided.

The contractor should ensure alternative water supply to affected residents in the

event of disruptions lasting more than one day.

Any damages to existing utility systems of cable shall be reported to authorities

and repaired as soon as possible.

Decree No.

73/2010/ND-CP on

administrative

penalization security and

society issues

13. Restoration of

affected areas Cleared areas such as borrow pits which are no longer in use, disposal areas, site

facilities, workers’ camps, stockpiles areas, working platforms and any areas

temporarily occupied during construction of the project works shall be restored

using landscaping, adequate drainage and revegetation.

Law on Environment

protection No.

52/2005/QH11



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ENVIRONMENTAL –

SOCIAL ISSUES


CODE/REGULATION

Start revegetation at the earliest opportunity. Appropriate local native species of

vegetation shall be selected for the planting and restoration of the natural

landforms.

Spoil heaps and excavated slopes shall be re-profiled to stable batters, and

grassed to prevent erosion;

All affected areas shall be landscaped and any necessary remedial works shall be

undertaken without delay, including green-spacing, roads, bridges and other

existing works

Trees shall be planted at exposed land and on slopes to prevent or reduce land

collapse and keep stability of slopes

Soil contaminated with chemicals or hazardous substances shall be removed and

transported and buried in waste disposal areas.

Restore all damaged road and bridges caused by project activities

14. Worker and public

Safety Contractor shall comply with all Vietnamese regulations regarding worker safety.

Prepare and implement action plan to cope with risk and emergency

Preparation of emergency aid service at construction site

Training workers on occupational safety regulations

If blasting is to be used, additional mitigation measures and safety precautions

must be outlined in the EMP.

Ensure that ear pieces are provided to and used by workers who must use noisy

machines such as piling, explosion, mixing, etc., for noise control and workers

protection.

During demolition of existing infrastructure, workers and the general public must

be protected from falling debris by measures such as chutes, traffic control, and

use of restricted access zones.

Install fences, barriers, dangerous warning/prohibition site around the

construction area which showing potential danger to public people

The contractor shall provide safety measures as installation of fences, barriers

warning signs, lighting system against traffic accidents as well as other risk to

Decree No.

22/2010/TT-BXD on

regulation of

construction safety

Instruction No. 02

/2008/CT-BXD on

safety and sanitation

issues in construction

agencies

TCVN 5308-91:

Technical regulation

on safety in

construction

Decision No.

96/2008/QD-TTg on



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ENVIRONMENTAL –

SOCIAL ISSUES


CODE/REGULATION

people and sensitive areas.

If previous assessments indicate there could be unexploded ordnance (UXO),

clearance must be done by qualified personnel and as per detailed plans approved

by the Construction Engineer.

clearance of UXO.

15. Communication with

local communities Maintain open communications with the local government and concerned

communities; the contractor shall coordinate with local authorities (leaders of

local wards or communes, leader of villages) for agreed schedules of construction

activities at areas nearby sensitive places or at sensitive times (e.g., religious

festival days).

Copies in Vietnamese of these ECOPs and of other relevant environmental

safeguard documents shall be made available to local communities and to

workers at the site.

Reduced playground space, loss of playing fields and car parking: The loss of

amenities during the construction process is often an unavoidable source of

inconvenience to users in sensitive areas. However, early consultation with those

affected, provides the opportunity to investigate and implement alternatives.

Disseminate project information to affected parties (for example local authority,

enterprises and affected households, etc) through community meetings before

construction commencement;

Provide a community relations contact from whom interested parties can receive

information on site activities, project status and project implementation results;

Provide all information, especially technical findings, in a language that is

understandable to the general public and in a form of useful to interested citizens

and elected officials through the preparation of fact sheets and news release,

when major findings become available during project phase;

Monitor community concerns and information requirements as the project

progresses;

Respond to telephone inquiries and written correspondence in a timely and

accurate manner;

Inform local residents about construction and work schedules, interruption of

Decree No.

73/2010/ND-CP on

administrative

penalization security

and society issues



-------------------------------------------------------------------------------------------------------------------------------

ENVIRONMENTAL –

SOCIAL ISSUES


CODE/REGULATION

services, traffic detour routes and provisional bus routes, blasting and demolition,

as appropriate;

Provide technical documents and drawings to PC’s community, especially a

sketch of the construction area and the EMP of the construction site;

Notification boards shall be erected at all construction sites providing

information about the project, as well as contact information about the site

managers, environmental staff, health and safety staff, telephone numbers and

other contact information so that any affected people can have the channel to

voice their concerns and suggestions.

16. Chance find

procedures If the Contractor discovers archeological sites, historical sites, remains and objects,

including graveyards and/or individual graves during excavation or construction, the

Contractor shall:

Stop the construction activities in the area of the chance find;

Delineate the discovered site or area;

Secure the site to prevent any damage or loss of removable objects. In cases of

removable antiquities or sensitive remains, a night guard shall be arranged until

the responsible local authorities or the Department of Culture and Information

takes over;

Notify the Construction Supervision Consultant who in turn will notify

responsible local or national authorities in charge of the Cultural Property of

Viet Nam (within 24 hours or less);

Relevant local or national authorities would be in charge of protecting and

preserving the site before deciding on subsequent appropriate procedures. This

would require a preliminary evaluation of the findings to be performed. The

significance and importance of the findings should be assessed according to the

various criteria relevant to cultural heritage; those include the aesthetic, historic,

Law on Cultural

Heritage (2002)

Law on Cultural

Heritage (2009) for

supplementary and

reformation

Decree No.

98/2010/ND-CP for

supplementary and

reformation



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ENVIRONMENTAL –

SOCIAL ISSUES


CODE/REGULATION

scientific or research, social and economic values;

Decisions on how to handle the finding shall be taken by the responsible

authorities. This could include changes in the layout (such as when finding an

irremovable remain of cultural or archeological importance) conservation,

preservation, restoration and salvage;

If the cultural sites and/or relics are of high value and site preservation is

recommended by the professionals and required by the cultural relics authority,

the Project’s Owner will need to make necessary design changes to

accommodate the request and preserve the site;

Decisions concerning the management of the finding shall be communicated in

writing by relevant authorities;

Construction works could resume only after permission is granted from the

responsible local authorities concerning safeguard of the heritage.

Documents

ANNEX 1 List of key personnel participating in the EIA ...€¦ · water supply, drainage and sewer c