contract no. hy/2011/03 - enpo.com.hk · figure 3 sampling points for floating type silt curtain...

Contract No. HY/2011/03

Hong Kong-Zhuhai-Macao Bridge Hong Link Road Section between Scenic Hill and Hong Kong Boundary Crossing Facilities

Method Statement – Silt Curtain Pilot Test

Rev. 9

22 October 2013

1. Introduction ................................

1.1 Background ................................

2. Silt Curtain ................................

2.1 Introduction ................................

2.2 Pilot Test ................................

3. Silt Curtain – Pilot Test ................................

3.1 Objectives ................................

3.2 Pilot Test Sampling Points ................................

3.2.1 Sample Depths ................................

3.2.2 Sampling Points ................................

3.3 Sampling Parameters and Equipment

3.3.1 Sampling Parameters

3.3.2 Sampling Equipment

3.3.3 Sampling Equipment Cali

3.4 Pilot Test Duration and Sampling Frequency

3.4.1 Pilot Test Duration

3.4.2 Sampling Frequency

3.5 Other Conditions ................................

3.5 Determination of Silt Removal Efficiency

Figures Figure 1 Water Quality Impact Monitoring StationsFigure 2 Location of the SiteFigure 3 Sampling Points for Floating Type Silt Curtain

Contract No. HY/2011/03 : Hong Kong

Hong Kong Link Road

and Hong Kong Boundary Crossing Facilities

Method Statement –

Contents

................................................................................................................................

................................................................................................................................

................................................................................................................................

................................................................................................................................

................................................................................................................................

................................................................................................

................................................................................................................................

................................................................................................

................................................................................................

................................................................................................

Sampling Parameters and Equipment ................................................................................................

Sampling Parameters ................................................................................................

Sampling Equipment ................................................................................................

Sampling Equipment Calibration ................................................................

Pilot Test Duration and Sampling Frequency ................................................................

Pilot Test Duration ................................................................................................

Sampling Frequency................................................................................................

................................................................................................................................

Determination of Silt Removal Efficiency ................................................................................................

Water Quality Impact Monitoring Stations Location of the Site Sampling Points for Floating Type Silt Curtain

Contract No. HY/2011/03 : Hong Kong-Zhuhai-Macao Bridge

Hong Kong Link Road - Section between Scenic Hill


Silt Curtain Pilot Test (Rev.9)

Page i

................................................. 1

................................................... 1

.................................................. 1

................................................... 1

....................................................... 1

.............................................................. 2

..................................................... 2

............................................................ 2

............................................................ 2

.......................................................... 3

.......................................... 4

.................................................. 4

................................................... 4

................................................................. 5

............................................................... 5

....................................................... 5

.................................................... 5

........................................... 6

...................................... 6

`

1. Introduction

1.1 Background

The Hong Kong-Zhuhai-Macao Bridge (“H

Main Bridge at the Hong Kong Special Administrative Region (

Boundary Crossing Facilities (“HKBCF

Airport (“HKIA”). The Contract No. and Contract Title of this Contract are HY/2011/03 and HZMB Hong Kong

Link Road – Section between Scenic Hill and Hong Kong Boundary Cro

2).

This Method Statement outlines the requirements

Contract, specifically, Section 9.6 of the

HKLR (“Updated EM&A Manual”).

adopted for the Contract. There will be no dredging activities but

The Method Statement – Silt Curtain Pilot Test (Rev. 7)

layout has been changed due to the setup of temporary barging point for importing of fill material (Southern) and

interfacing with Contract No. HY/2010/02

has to be updated based on the latest silt curtain layout

2. Silt Curtain

2.1 Introduction

In accordance with Section 9.6 of the

contractor, China State Construction Engineering (Hong Kong) Ltd. (“CS

during the contract.

The silt curtains are intended as a measure to prevent the displacement and movement of sediments

construction and reclamation activities at the site

need to be verified by carrying out a Pilot Test

2.2 Pilot Test

The contract documents require that

the project. In order to ensure that the

preventing the movement of silt from within the

The Pilot Test will be carried out during early construction

curtains that are deployed by CSHK

rates, as specified in Section 9.6.4 of the

reduction of the water passing through the


Hong Kong Link Road



Macao Bridge (“HZMB”) Hong Kong Link Road (“HKLR”) serves to connect the HZMB

Main Bridge at the Hong Kong Special Administrative Region (“HKSAR”) Boundary and the HZMB Hong Kong

HKBCF”) located at the north eastern waters of the Hong Kong International

The Contract No. and Contract Title of this Contract are HY/2011/03 and HZMB Hong Kong

Section between Scenic Hill and Hong Kong Boundary Crossing Facilities respecti

outlines the requirements for a Silt Curtain Pilot Test that is required as part of the above

, specifically, Section 9.6 of the Updated Environmental Monitoring and Audit Manual

Based on the latest engineering design, a non-dredged method has been

adopted for the Contract. There will be no dredging activities but there will be filling works

Curtain Pilot Test (Rev. 7) was approved by EPD on 9 May 2013


HY/2010/02 HZMB HKBCF Reclamation Works (Northern)

based on the latest silt curtain layout and site conditions.

Section 9.6 of the Updated EM&A Manual, suitable silt curtains shall be deployed by the

contractor, China State Construction Engineering (Hong Kong) Ltd. (“CSHK”) enclosing the entire site at all times

a measure to prevent the displacement and movement of sediments

activities at the site. Therefore the effectiveness of the silt removal curtains will

carrying out a Pilot Test, during the early stages of marine construction

that single layer of floating type silt curtains will be required during the course of

In order to ensure that the type of silt curtain that is deployed at the site will be effective in

preventing the movement of silt from within the contract area, a Pilot Test will be undertaken.

will be carried out during early construction and reclamation activities

HK can meet the required silt removal efficiency. The req

, as specified in Section 9.6.4 of the Updated EM&A Manual, are defined as the degree of

water passing through the silt curtain are provided in Table 1 below.





Page 1

) serves to connect the HZMB

) Boundary and the HZMB Hong Kong

rn waters of the Hong Kong International

The Contract No. and Contract Title of this Contract are HY/2011/03 and HZMB Hong Kong

respectively (see Figure

that is required as part of the above

Environmental Monitoring and Audit Manual (Version 1.0) for

dredged method has been

s for the Contract.

on 9 May 2013. The silt curtain


(Northern). Therefore, the plan

EM&A Manual, suitable silt curtains shall be deployed by the

enclosing the entire site at all times

a measure to prevent the displacement and movement of sediments during

he effectiveness of the silt removal curtains will

tages of marine construction.

floating type silt curtains will be required during the course of

deployed at the site will be effective in

e undertaken.

activities to confirm that the silt

efficiency. The required silt removal

defined as the degree of suspended solid

`

Table 1 Required Removal

Testing Scenario

Scenario 1 - Floating Type Single Silt Curtain

3. Silt Curtain – Pilot Test

3.1 Objectives

As outlined in Section 2 above, the silt

solids. The performance of the silt curtains

suspended solids within the water as it passes

In order to determine the efficiency of the

selected inside and outside the area

background concentrations of turbidity

A Pilot Test for the floating type silt curtain

sampling data to be collected during

To ensure that the Pilot Test that is undertaken is representative of the works undertaken at the HKLR site, the

Pilot Test will only be undertaken wh

3.2 Pilot Test Sampling Points

In order to determine the effectiveness of the

Section 3.2.2 below) inside and outside the area delineated by the silt curtains

of two (2) control points.

Measurements and water samples are to

depending upon the water depth (see Section 3.2.1

3.2.1 Sample Depths

Water parameters and the concentrations of suspended solids, will be

sampling location and control point location

• 1m below the surface of the water

• Mid depth at the sampling point

• 1m above the sea bed.

However, if the depth of water at a sampling

and parameters will be taken.

A portable, battery powered echo sounder

sampling locations and control point


Hong Kong Link Road



Removal Efficiency of Silt Curtain for Filling Activities

Silt Removal Rate to be Tested

Filling Activities

Single Silt Curtain 45%

Pilot Test

, the silt curtains need to be effective at reducing the concentration of suspended

. The performance of the silt curtains, for this contract, is measured as a percentage of

as it passes through the curtain.

In order to determine the efficiency of the silt curtains, water quality data will be required from

inside and outside the area delineated by the silt curtains. Control points will also be used to provide

turbidity that are typically present in the area of the project.

silt curtain scenario will be required, the sampling points to be used and the

be collected during the Pilot Test is outlined below.


Pilot Test will only be undertaken when marine filling activities are underway at the HKLR site.

Points

determine the effectiveness of the single layer of silt curtain, a suitable number of

inside and outside the area delineated by the silt curtains will be required

are to be collected from each sampling point at up to three (3)

(see Section 3.2.1 below) at each sampling point.

the concentrations of suspended solids, will be needed at the following depths

location:

of the water.

point.

sampling location is found to be less than 3m, then only the mid depth

powered echo sounder (or similar) is to be used to determine the depth of

locations.





Page 2

Silt Removal Rate to be Tested

Filling Activities

45%

concentration of suspended

is measured as a percentage of reduction of

data will be required from sampling points

ontrol points will also be used to provide

sampling points to be used and the


en marine filling activities are underway at the HKLR site.

number of sampling points (see

will be required, along with the use

three (3) different depths,

the following depths at each

location is found to be less than 3m, then only the mid depth sample

e the depth of water at each of the

`

3.2.2 Sampling Points

For the purposes of the Pilot Tests

sampling point and one (1) downstream

will be undertaken at Seawall Chainage (SWCH)

position of the sampling points for each of the Pilot Tests.

Control data will be required for the

from the impact monitoring Control Stations CS

Given that the predicted currents from the EIA model simulations for this specific coastal area are rather weak

and that the localized flow pattern is complicated by the new construction activities associated with the HKBCF,

the actual conditions at the proposed monitori

influenced by the HKBCF (that have not been modeled) the proposed monitoring stations may be all located

upstream of the identified filling work that will be undertaken by CSHK.

Given the complicated situation envisaged within the sampling area, the water current should be determined at

each of the proposed monitoring positions prior to undertaking the proposed testing.

monitoring positions be identified to be weak

unanticipated direction etc.) for the proposed testing, alternative sampling points suitable situated relative to each

of the initial filling points will be proposed

Table 2 below provides details on the number of proposed monitoring points for each of the anticipated

construction scenarios.

Table 2 Monitoring Details for Silt Curtain Pilot Test

Monitoring Details

Control Stations

Sampling Points

Collection of Parameters at Depth

Water Sample (for suspended solids) D


Hong Kong Link Road



s, sampling points inside and outside the silt curtains

downstream sampling point will be used. According to CSHK, the initial filling work

will be undertaken at Seawall Chainage (SWCH) 300 – 800 and SWCH 900 – 1300.

sampling points for each of the Pilot Tests.

Pilot Tests, therefore water parameters and water samples will

ontrol Stations CS2 and CS(Mf)5 (see Figure 1).

predicted currents from the EIA model simulations for this specific coastal area are rather weak


the actual conditions at the proposed monitoring positions may vary. Additionally, given the variable conditions


upstream of the identified filling work that will be undertaken by CSHK.

complicated situation envisaged within the sampling area, the water current should be determined at

each of the proposed monitoring positions prior to undertaking the proposed testing. Should conditions at the

monitoring positions be identified to be weak or unsuitable (e.g. low current flow rate, or current in an


proposed to confirm the effectiveness of the silt curtain.

below provides details on the number of proposed monitoring points for each of the anticipated

Monitoring Details for Silt Curtain Pilot Tests

Single Layer of Floating Type Silt Curtain

CS2 and CS(Mf)5

4 number for each tidal condition, to be collected on the same

day. See Figure 3. Additionally, sample points within the

perimeter shall be sampled first.

(i) Ebb condition when filling works are undertaking at SWCH

300-800 – Undertake water sampling work at

and S3) and downstream (S2 and S4) locations.

(ii) Flood condition when filling works are undertaking at

SWCH 900-1300 – Undertake water sampling work

upstream (S6 and S8) and downstream (S5 and S7)

locations.

1m below water surface, mid-depth and 1m above seabed(for suspended solids) Depths





Page 3

s and one (1) upstream

According to CSHK, the initial filling work

00. Figure 3 indicates the

and water samples will be collected

predicted currents from the EIA model simulations for this specific coastal area are rather weak


ng positions may vary. Additionally, given the variable conditions


complicated situation envisaged within the sampling area, the water current should be determined at

Should conditions at the

or unsuitable (e.g. low current flow rate, or current in an


below provides details on the number of proposed monitoring points for each of the anticipated

Floating Type Silt Curtain

4 number for each tidal condition, to be collected on the same

. Additionally, sample points within the

condition when filling works are undertaking at SWCH

Undertake water sampling work at upstream (S1

and S3) and downstream (S2 and S4) locations.

Flood condition when filling works are undertaking at

Undertake water sampling work at

upstream (S6 and S8) and downstream (S5 and S7)

depth and 1m above seabed

`

3.3 Sampling Parameters and Equipment

3.3.1 Sampling Parameters

As the silt removal efficiency of the silt curtains will be determined by the

following parameters, outlined in Table 3

Table 3 Parameters Required for th

Parameter

Dissolved Oxygen

Salinity

Temperature

pH

Turbidity

Suspended Solids

Water depth

Water velocity and direction

3.3.2 Sampling Equipment

The equipment used at each sampling

• Dissolved oxygen (“DO”) and temperature measurements, DO in the range of 0

saturation, and a temperature range of 0

with automatic temperature compensation complete with a cable.

• Salinity measured in the range of 0

• The pH measured between 0 and 14 on the pH scale.

• Turbidity will be measured in th

• Water depth will be recorded using a portable battery powered echo sounder or similar.

• A water current meter capable of measuring the rate and direction of flow

6.06m/s and an accuracy of 0.03m/s

Falmouth Scientific, Inc. 2-Dimensional Acoustic Current Meter, or

• A hand held or boat-fixed type digital Global Positioning System (dGPS) with way point bearing

indication and Radio Technical Commission for maritime Type 16 error message “screen pop

facilities (for real-time auto

Hydrographic Office), or other equipment of similar accuracy, should be used during maritime water

monitoring to ensure the monitoring vessel is at the correct location before taking measurements.

Water samples, for analysis for suspended solids, will be collected using a

similar instrument. The water samples

added (cooled to 4oC without being frozen)

laboratory within 24hours of the sample being collected.


Hong Kong Link Road



Parameters and Equipment

efficiency of the silt curtains will be determined by the analysis of collected

Table 3, will be analysed.

Parameters Required for the Silt Curtain Pilot Tests

Data Recorded in situ with Meter Water Sampl

�

�

�

�

�

�

�

sampling point will be required to record the following:

and temperature measurements, DO in the range of 0 –

and a temperature range of 0 – 45 degrees Celsius. It should have a membrane electrode

with automatic temperature compensation complete with a cable.

Salinity measured in the range of 0 -40 on the practical salinity scale.

between 0 and 14 on the pH scale.

in the range of 0 – 1,000NTU.

Water depth will be recorded using a portable battery powered echo sounder or similar.

meter capable of measuring the rate and direction of flow with a range of 0.1m/s to

6.06m/s and an accuracy of 0.03m/s. For example, the water current meter to be used shall be a

Dimensional Acoustic Current Meter, or an approved similar instrument.

fixed type digital Global Positioning System (dGPS) with way point bearing

indication and Radio Technical Commission for maritime Type 16 error message “screen pop

time auto-display of error messages and dGPS corrections from the Hong Kong



r suspended solids, will be collected using a Kahlsico Water Sampler or

The water samples will be stored in high density polythene bottle ware

C without being frozen), kept in the dark and transported to an HOKLAS

laboratory within 24hours of the sample being collected.





Page 4

collected water samples, the

Water Sample Required

�

20mg/l and 0 -200%

It should have a membrane electrode

Water depth will be recorded using a portable battery powered echo sounder or similar.

with a range of 0.1m/s to

he water current meter to be used shall be a

an approved similar instrument.

fixed type digital Global Positioning System (dGPS) with way point bearing

indication and Radio Technical Commission for maritime Type 16 error message “screen pop-up”

rrections from the Hong Kong



Kahlsico Water Sampler or approved

bottle ware with no preservatives

HOKLAS approved testing

`

For quality assurance and quality control purposes, independent duplicate water samples for suspended solids

are to be taken at each sampling point and

Duplicate samples will be taken for the

HOKLAS or other international accredited laboratory.

hours after collection of the water samples.

Table 4 Laboratory Analysis for Suspended Solids

Parameter

Suspended Solid (SS)

Two consecutive measurements of DO concentration, DO saturation, pH, salinity, temperature

data quality control. The monitoring probes shall be retrieved out of water after the first measurement and then

redeployed for the second measurement

of DO or turbidity parameters is more than 25% of the value of the first reading, the reading shall be discarded

and further readings shall be taken.

3.3.3 Sampling Equipment Calibratio

The pH meter, DO meter, water meter

meter and turbidimeter will be certified by a laboratory accredited under HOKLAS or any other international

accreditation scheme. The responses of s

solutions before use. Wet bulb calibration for the DO meter will be carried out before carrying out

measurements at each monitoring location.

3.4 Pilot Test Duration and Sampling

3.4.1 Pilot Test Duration

In order to ascertain the efficiency of the silt curtains that are

is proposed that the Pilot Tests outlined in this Method Statement

during ebb and flood tides, subject to

The sampling parameters will be collected from the

Test.

3.4.2 Sampling Frequency

It is proposed that the water parameters

sampling points, before commencement of the Pilot Test,

intervals dependent upon the flood condition

flood conditions will be conducted at the same time as commencement of the marine filling works.

For ebb conditions it is proposed that the sampling interval will be

and for flood conditions it is proposed that the sampling interval will b

hours.


Hong Kong Link Road




are to be taken at each sampling point and control station.

the suspended solids measurement and the analysis shall be carried

international accredited laboratory. The laboratory determination work shall start within 24

water samples. The analysis for SS is summarized in Table 4

Laboratory Analysis for Suspended Solids

Instrumentation Reference Method Detection Limit

Weighting APHA 2540-D 0.5mg/l

of DO concentration, DO saturation, pH, salinity, temperature

e monitoring probes shall be retrieved out of water after the first measurement and then

redeployed for the second measurement. Where the difference in value between the first and second readings


Equipment Calibration

, water meter and turbidimeter shall be checked and calibrated before use. The DO


The responses of sensors and electrodes will be checked with certified standard


measurements at each monitoring location.

Sampling Frequency

In order to ascertain the efficiency of the silt curtains that are intended for use by CSHK during filling

outlined in this Method Statement last for a period of 4 hour

, subject to marine construction activities and encountered weather conditions

will be collected from the sampling points indicated in Section 3.2.2

the water parameters and water samples for SS outlined in Table 3 will

, before commencement of the Pilot Test, at commencement of the Pilot Test, and then

flood condition for the duration of the Pilot Test. The Pilot Test

will be conducted at the same time as commencement of the marine filling works.

it is proposed that the sampling interval will be 30 minutes for a total time period of

and for flood conditions it is proposed that the sampling interval will be 30 minutes for a total time period of





Page 5


shall be carried out at a

The laboratory determination work shall start within 24

4 below.

Detection Limit

0.5mg/l

of DO concentration, DO saturation, pH, salinity, temperature and turbidity for

e monitoring probes shall be retrieved out of water after the first measurement and then

. Where the difference in value between the first and second readings


and turbidimeter shall be checked and calibrated before use. The DO


ensors and electrodes will be checked with certified standard


during filling activities, it

ours and be undertaken

weather conditions.

points indicated in Section 3.2.2 during the Pilot

will be collected from the

commencement of the Pilot Test, and then at

The Pilot Test under ebb and

will be conducted at the same time as commencement of the marine filling works.

for a total time period of 2 hours

minutes for a total time period of 2

`

3.5 Other Conditions

As stated in the Updated EM&A Manual, regardless of the measured efficiency of the silt curtain system the event

and action plan provided in the Updated

designated monitoring stations.

The Environmental Project Office, S

least one week in advance of conducting the pilot test.

If inclement weather conditions are forecast for the day of the Pilot Test, the test will be postponed

as appropriate.

3.5 Determination of Silt Removal Efficiency

The laboratory results of the pilot test will be utilized to determine the efficiency of the

deployed at the site. The silt curtain is intended to act as a barrier to suspended solids by holding them in a

stagnation pocket behind the silt curtain.

In order to quantify the effectiveness of the silt curtain type that is deployed by CSHK, the concentrations of SS

and the levels of turbidity inside and outside of the curtain will be compared

of SS is to be used as the effectiveness

difference in readings.

The overall reduction in the concentrations of SS will be determined for the three depth positions and an overall

reduction will also be calculated for all depths to provide the silt removal efficiency of the silt curtain.

The TSS removal efficiency shall be calcula

�� % �


Hong Kong Link Road



A Manual, regardless of the measured efficiency of the silt curtain system the event

Updated EM&A Manual will only be based on the monitoring results at the

, Supervising Office and Environmental Protection Department

least one week in advance of conducting the pilot test.

forecast for the day of the Pilot Test, the test will be postponed

Determination of Silt Removal Efficiency

The laboratory results of the pilot test will be utilized to determine the efficiency of the silt curtains that will be

The silt curtain is intended to act as a barrier to suspended solids by holding them in a

stagnation pocket behind the silt curtain.


e levels of turbidity inside and outside of the curtain will be compared. The percent reduction in the level

effectiveness parameter. Percent reduction is defined as 100 times the ratio of the

l reduction in the concentrations of SS will be determined for the three depth positions and an overall


The TSS removal efficiency shall be calculated by:

Upstream TSS �mg/l� � Downstream TSS �mg

Upstream TSS �mg/l�





Page 6

A Manual, regardless of the measured efficiency of the silt curtain system the event

EM&A Manual will only be based on the monitoring results at the

epartment will be notified at

forecast for the day of the Pilot Test, the test will be postponed to the next day

silt curtains that will be

The silt curtain is intended to act as a barrier to suspended solids by holding them in a


The percent reduction in the level

Percent reduction is defined as 100 times the ratio of the

l reduction in the concentrations of SS will be determined for the three depth positions and an overall


mg/l� x 100

`


Hong Kong Link Road







Page 7

FIGURES

›xBarracks

Control Tower

––¤

“¯¶l

CentreAir Mail

“¯„B

Forwarding CentreAirport Freight

Terminal 1Super

¶Wfl¯⁄@

¤¨‹w“¯

TerminalAsia Airfreight

°Ó¥˛flŁ

CentreBusiness Aviation

›»·ä›‚

Engineering Hong Kong Aircraft

«¨„B

TerminalPassenger

·ç‰üFerry Pier

·ç‰üFerry Pier

·ç‰üFerry Pier

⁄Ñ¾´

Buddha StatueTian Tan

›»·ä°Œ

Hong Kong International Airport

«¨„BFerry Terminal

¤¨‹w°Œ»AsiaWorld-Expo

˜µPolice Post

“FflF⁄

Battery

Tung Chung

“FflF

Fort

Tung Chung

°“”‚⁄Golf Course

ObeliskÀ‹¥_

°t⁄Ser Res

C

C

°t⁄Ser Res

°t⁄Ser Res

“ŒFU SHAN

⁄ì‡MUK YUE SHAN

À–°NEI LAK SHAN

�g⁄POK TO YAN

¤FSHA CHAU

⁄j“SUNSET PEAK

( TAI TUNG SHAN )

•àSZE SHAN

•à⁄l

⁄j›

⁄j¿TAI MO TO

¥Ý…

⁄G“YI TUNG SHAN

†‘¥SHAM SHEK TSUEN

ƒa¶TEI TONG TSAI

“FTUNG CHUNG

SHA LO WAN

⁄jTAI O

SZE TSZ TAU SHAN

¤F`

“flƒKau San Tei

¥Õ¤Pak Sha Tsui

'øNGONG PING

˘QYIM TIN

»æ°LANTAU PEAK

( FUNG WONG SHAN )

–CÀPOR KAI SHAN

¶HCHEUNG SHAN

˘[·SCENIC HILL

`ô⁄Imhoff Tank

flŁ⁄SKYCITY

ƒˆ⁄ô‡

WorksTreatment

Sewage

Air

port

¾÷

‡Õ˜

AsiaWorld

-Expo

“F

Tung C

hung

“Ffl

AIRPORT

EXPRESS

TUNG CHUNG LINE

¾÷ §Ö

fló

Lawn

¶]

Runway

flóRun

way

¶]

Water

Tunnel

¿Ø⁄

ô

Fuel Tank

¿Ufi

Harbour

Li

mit

fiü

·ä

·ç‰üFerry Pier


À–Lookout

À–Lookout

·ç‰üFerry Pier

·ç‰üFerry Pier

·ç‰üFerry Pier

·ç‰üFerry Pier

“aSw P

·ç‰üFerry Pier

›}“Y·ò‹

Recreation CentreInspiration Lake

§Ù‹

CentreTreatmentAddiction

˜µ

PostPolice

˜µ

PostPolice

‡ß˘F‹w

Institution

Correctional

Hei Ling Chau

˜µ

PostPolice

⁄E‚„Terminal 9

¿OLighthouse

›»·ä›}⁄Hong Kong Disneyland

˜µ

PostPolice

«C‹w–µ

Reception Centre

Green Island

°t⁄Ser Res

°t⁄Ser Res

°t⁄Ser Res

flB·

JettiesFloating

⁄ôRESERVOIR

°t⁄Ser Res

°t⁄Ser Res

‰„‰

'P⁄SUNSHINE ISLAND

“ł

“łCheung Tsui

“Æ†⁄U¤

ˆÉ„

HEI LING CHAU

‹ı“HUNG FA NGAN

“÷ƒKAM CHUK KOK

¥æ·KAU YI CHAU

'äKwai Shek

†p¾

ƒÑ“

°¤¤

°¤˘

‚U¤

–æ·MONG TO AU

–öMUI WO

«nNAM WAN

«nNAM WAN

NAM WAN

«n˘NAM WAN KOK

⁄›„

»¨NGAN CHAU

⁄ßÀ

¥Õ“

'WPENG CHAU

Shelter

Typhoon

Channel

Rambler

ƒŁflSAI TSO WAN

†‘⁄

⁄p¥æ

⁄p¿

¥|¥

¥|¥

⁄jTAI LEI

⁄jÀ

⁄j–Tai Pai Tsui

⁄j

⁄j⁄TAI SHUI HANG

⁄j‡

¿O¯

⁄j⁄p

«CÀ

TSUI

TSING LENG

TSING YI

°˝ˆ

“F

¥Ý⁄WO SHEUNG AU

flQˆ

CHUN FA LOK

'¥⁄

¥b⁄

“łfl

A PO LONG

¤¨–

‹F'†ˆz‹“fl“

⁄p˜SIU HO WAN

⁄â«FINGER HILL

Works

Treatment

Sewage

ƒˆ⁄ô‡

⁄j¥Tai Pak Tsui

NGAU TAU WAN

BUTTERFLY HILL

«n

‹K“

(CHAU KUNG TO)

«nNAM SHAN

†îDockyard

MA WAN

MA WAN TOWNTUNG WAN

Ma Kok Tsui

TANG LUNG CHAU

TAUTAI LENG

SHAN

PAK NAI

FA PENG TENG

Ngam Hau Shek

Pun Shan Shek

SIU MO TO

Cheung Sok Tsui

NG KWU LENG

TAI YAM TENG

CHEUNG SOK

THE BROTHERS

TSZ KAN CHAU

Ha Kok Tsui

LAI PIK SHAN

SZE PAK AU

TAI SHANSham Shui Kok

Sze Pak Tsui

Wu Ying PaiHai Kam Tsui

LO FU TAU

Man Kok Tsui

GREEN ISLAND

SIU KAU YI CHAU

Explosives DepotGovernment

Kau Shat Wan

ƒ¸¿tCHOK KO WAN TSUI

ó⁄

WorksWater Treatment

PENNY’S BAY

´´KAU PO

ƒˆ⁄ô‡

Works

Sewage Treatment

¥_˘

TENG

PAK WAN

ƒˆ⁄ô‡Sewage Treatment Works

«C

‡ß˘

«C

°¤

ƒ¸¿

⁄jTAI HO

“YSUNNY BAY

„q⁄Power Station

ƒˆ⁄ô‡

Works

Sewage Treatment

¥¶ÀPA TAU KWU

¥_PAK WAN

¥ÛSHEK WAN

”h“LAU FA TUNG

⁄T¥SAM PAK AU

⁄jàTAI CHE TUNG

⁄G¥YI PAK AU

ó⁄

Works

Water Treatment

†îDockyard

“Y¿YAN O TUK

ó⁄

Works

Water Treatment

›}⁄h¥§…ÖDISNEYLAND RESORT

¯K‚

ô

Rail

way D

epot

⁄˘⁄

Works

Chemical“Y

Sunny Bay

›}⁄

Disneyland Resort

AIRPORT

EXPRESS

TUNG C

HUNG LIN

E

“F

fl

¾÷‡

ı

›}⁄

hDIS

NE

YL

AN

D

RE

SO

RT

LIN

E

¾ôBridge Tower

¾ôBridge Tower

¾ôBridge Tower

¾ôBridge Tower

“oOil Depot

“oOil Depot

“oOil Depot “o

Oil Depot

¾ÉPipeline

¾É

Pip

elin

e

¾É

Pipelin

e

¾ÉPipeline

Wat

er

Tunn

el¿Ø⁄

ô

“oOil Depot

TSIN

G S

HA

N

FIRIN

G

RA

NG

E

BO

UN

DA

RY

«C⁄s‰m„

“aSw P

‰„‰”˘Butterfly Beach Park

·ò⁄s„

Playground

Recreation

Wu Shan

·ç‰üFerry Pier


À–Lookout


°t⁄Ser Res

°t⁄Ser Res

°t⁄Ser Res

Ser Res

°t⁄

SHA CHAU AND LUNG KWU CHAU MARINE PARK

¤F‹w⁄˛Às„“

«CCASTLE PEAK

Às„LUNG KWU CHAU

Às„LUNG KWU TAN

¥ÕPAK CHAU

µÔ¯POR LO SHAN

⁄p§SIU LANG SHUI

TAI LANG SHUI

‰æ¥Tap Shek Kok

–æƒPILLAR POINT

(MONG HAU SHEK)

⁄j§

¤ł“Dumping Area

ƒˆ⁄ô‡

Works

Treatment

Sewage


˜Œ¤Black Point

(Lan Kok Tsui)

⁄”“e‡fRiver Trade Terminal

°ï¶Landfill


⁄ô“Cement Works

Àô«EcoPark

LIG

HT

RAIL

»·

TSIN

G S

HA

N FIRIN

G

RA

NG

E

BO

UN

DA

RY

«C⁄s‰

m„

fiü

·ä

¥Û–

VillageShek Kong

›xBarracks

Harbour

Li

mit

⁄‚fiÔ

ParkYuen Long

“aSw P

⁄j•Town Hall

“a

Sw P

“aSw P

Psychiatric Centre

”ºfl«flf“

“aSw P

À–

À–

À–

À–

À–

¾÷Airfield

˜µPolice Post

À–Lookout

À–Lookout

·ç‰üFerry Pier

–ç⁄ó

Ancestral HallLeung

⁄G«Ò

Study HallYi Tai

–i⁄ó

Ancestral HallCheung

⁄s⁄ı`Fire Lookout

⁄s⁄ı`Fire Lookout

À–

À–

À–Lookout

À–

À–

ˆg–

InstitutionCorrectional

°t⁄Ser Res

°t⁄Ser Res

°t⁄Ser Res

°t⁄Ser Res

°t⁄Ser Res

°t⁄Ser Res

°t⁄Ser Res

°t⁄Ser Res °t⁄

Ser Res

°t⁄Ser Res

flB·

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

Floating Jetties

°t⁄Ser Res

°t⁄Ser Res

°t⁄Ser Res

C

C

°t⁄Ser Res

‡´¥

⁄j˘Brothers Point

fiª˘

KOK

CHAI WAN

•‹¾

WO

FUNG SHUE

ÀA

‹ß¥KONG A LENG

‰‹“LIN FA SHAN

⁄œ˘NGA YING CHAU

⁄ßÑgau Lan Tsui

¥Õ¥PAK SHEK HANG

P A T H E U N G

ÀsflPEARL ISLAND

«ÌPING SHAN

†‘SHAM TSENG

⁄Q⁄

S H A P P A T H E U N G

¥ÛS H E K K O N G

¥ÛÀSHEK LUNG KUNG

–‰”S O K W U N W A T

⁄j˘T A I L A M C H U N G

( Tai Lam Kok )

⁄jTAI LING

«CÀTSING LUNG TAU

flþTSUEN WAN

⁄Ù“ø

SAN HUITUEN MUN

⁄Ù“ø`

Typhoon ShelterTuen Mun

÷i'WOK TAI WAN

⁄‚YUEN LONG

¶ŒÀYUEN TAU SHAN

„¯'KAR WO LEI

⁄pSIU SAU

˜fi·

SHANHO HOK

flþÀ

⁄pSIU LAM

`×›

fiü

´¯⁄

ƒˆ⁄ô‡

ƒˆ⁄ô‡

WorksSewage Treatment

WorksSewage Treatment

„A•~‹

CentreAgricultural Research

K A M T I N

ó⁄

WorksTreatmentWater

⁄T‚

HUI

SAM SHING

ƒp⁄ßNina Tower

ó⁄

WorksTreatmentWater

ó⁄

WorksTreatmentWater

ó⁄

WorksTreatment

Water

AUTSUEN KAM

LINGMA PAU

¯K

‚ô

Railw

ay

Depot

¥Û˜Quarry

«CTsing Yi

LIGHT

RAI

L

LIG

HT

RAIL

»·

»·

»·

TUNG CHUNG

LINE

“Ffl

ÀA⁄

Ka

m

Sheung

Road

¥ü

Siu

Hong

⁄‚

Yuen Long

flþ˘

Tsu

en

Wan

West

ƒŁ¯

WEST

RAIL LIN

E

ƒŁ̄

WES

T

RAIL

LIN

E

¶]

Runway

¾ôBridge Tower

¾ôBridge Tower

¾ôBridge Tower

¿Ø⁄

ô

Water

Tunnel

¿Ø⁄ô

¿Ø⁄

ô

Water

Tunnel

¿Ø⁄ô

Water Tunnel

Water Tunnel¿Ø⁄ô

Water Tunnel ¿Ø⁄ô

¿Ø⁄

ô

Water Tunnel

¿Ø⁄

ôWater

Tunnel

Water Tunnel

Pip

elin

e

¾

”

Pipelin

e

¾É

Pip

elin

e

¾É

Pip

eli

ne

Water

Tunn

el

¾É

¾É

Pip

elin

e

¾É

Pip

elin

e

¿Ø⁄ô

Lookout

Lookout

Lookout

Lookout

Lookout

Lookout

Lookout

Lookout

Lookout

N

11/11AWA

AW

1:25000 @A1

11/11

A

SKRY

TENDER

ENVIRONMENTAL MONITORING

STATIONS

LEGEND

820000 N

815000 N

TUNG CHUNG

AIRPORT CHANNEL

HONG KONG INTERNATIONAL AIRPORT (

HKIA)

(BY OTHERS)

FACILITIES (HKBCF)

BOUNDARY CROSSING

PROPOSED HONG KONG

(BY OTHERS)

CHEK LAP KOK LINK

PROPOSED TUEN MUN-

LINK ROAD (HKLR)

PROPOSED HONG KONG

WAN

SHEK

SAN

HKS

AR

BO

UN

DA

RY

HKLR

PROPOSED

(BY OTHERS)

MAIN BRIDGE

HZMB

WAN

LO

SHA

IS5

IS7

IS8

IS10

IS(Mf)9

IS(Mf)6 SR4

SR5

AMS

NMS

NMS5

AMS5

NMS3

AMS3

NMS2

AMS2

AMS6

LANTAU ISLAND

(WATER QUALITY)

IMPACT STATIONS

(WATER QUALITY)

CONTROL/FAR FIELD STATIONS

(WATER QUALITY)

SENSITIVE RECEIVERS STATIONS

(AIR QUALITY)

MONITORING STATIONS

(NOISE)

MONITORING STATIONS

IS

CS

SR

ST

RESULT (WATER QUALITY)

STATION FOR SENSITIVITY TEST

NOTES

TENDER ADDENDUM ISSUE

ENVIRONMENTAL MONITORING AND AUDIT WORKS.

STIPULATED IN THE EM&A MANUALS TO CONDUCT THE

3. THE CONTRACTOR SHALL COMPLY WITH THE REQUIREMENTS

CS2

PROPOSED LOCATION OF THE MONITORING STATIONS.

APPROVED BY THE SUPERVISING OFFICER FOR THE

ENVIRONMENTAL PROJECT OFFICE (ENPO) AND

INDEPENDENT ENVIRONMENTAL CHECKER (IEC) AND

ENVIRONMENTAL TEAM (ET) SHALL AGREE WITH THE

TO BE DETERMINED ON SITE. THE CONTRACTOR AND

1. EXACT LOCATIONS OF MONITORING STATIONS ARE

8100

00

E

8150

00

E

8050

00

E805000

E

810000

E

815000

E

820000 N

815000 N(TUNG CHUNG BAY)

MUDFLAT SURVEY

(SAN TAU)

MUDFLAT SURVEY

N

824500 N

822500

E

822000 N

825000

E

827500

E

SR10A

SR10B

TSING MA BRIDGE

MA WAN

TSING YI

LANTAU ISLAND

INSET A N

LANTAU ISLAND

HKIA

KEY PLAN

INSET A

TUEN MUN

E&MA MANUALS.

THE REQUIREMENTS STIPULATED IN THE EIA REPORTS AND

DETAILS OF THE MUDFLAT SURVEY IN ACCORDANCE WITH

WITH THE IEC, ENPO AND SUPERVISING OFFICER THE

THE CONTRACTOR AND ET SHALL DETERMINE AND AGREE

SHOWN ON THIS DRAWING ARE APPROXIMATE ONLY.

2. THE LOCATION AND EXTENT OF MUDFLAT SURVEY

SR3

CS(Mf)5

Filena

me :

J:\

214

487\

Record\

HY

_2

011_

03\

Tender

Addendu

m (2

011-11-11)\

DG

N\

E-

HY

_2

011_

03-

DR

G_

310-

A-00.d

gn

10/11/2011

Printed by :

Rev.

Status

Rev DateByDescription

Drawn

Drawing no.

Date Checked

Drawing title

Scale

Consultant

Approved

Contract No. and Title:

COPYRIGHT RESERVED

c OVE ARUP & PARTNERS HONG KONG LIMITED.

ALL RIGHTS RESERVED.

DO NOT SCALE DRAWING. CHECK ALL DIMENSIONS ON SITE.

Contract No. HY/2011/03

Hong Kong Boundary Crossing Facilities

Section Between Scenic Hill and

Hong Kong Link Road -

Hong Kong-Zhuhai-Macao Bridge

YUNG7172

Typewritten Text

Figure 1

YUNG7172

Typewritten Text

0

TUNG CHUNG

SCENIC HILLAFSCTANK FARM

HONG KONG INTERNATIONAL AIRPORT

AIRPORTCARGO AREA

CHEK LAP KOK

CATHAYCITY

GSE

Location of the Site

0 100 200 Meters

LEGEND

Site Boundary of Contract HY/2011/03

orsh8305

Text Box

Figure 2

EASTING NORTHING

S1 811988.425 817848.268

S2 812005.160 817837.315

S3 811904.755 817903.033

S4 812088.830 817782.550

S5 812214.385 819032.287

S6 812203.432 819015.553

S7 812269.150 819115.958

S8 812148.668 818931.882

COORDINATESSAMPLING

POINT

cohl

Rectangle

cohl

Arrow

cohl

Stamp

cohl

Rectangle

cohl

Rectangle

cohl

Arrow

cohl

Stamp

cohl

Rectangle

chau2146

Text Box

FIGURE 3 - SAMPLING POINTS FOR FLOATING TYPE SILT CURTAIN

cohl

Typewriter

SCALE : 1 TO 700

contract no. hy/2011/03 - enpo.com.hk · figure 3 sampling points for floating type silt curtain...

Documents