CRBC – KADEN Joint Venture

 

 

WASTE MANAGEMENT PLAN

 

For Contract No. HY/2013/12

 

Tuen MunChek Lap Kok Link –

Northern Connection Toll Plaza and Associated Works

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Prepared by :

 

Date :

 

 

Environmental Officer

HY Tang

 

 

 

 

 

 

Endorsed by :

 

Date :

 

 

Site Agent

John Wong

 

 

 

 

 

 

 

 

 

 


 

 

 

 

Contents

1.0   Introduction. 4

2.0   Environmental Legislation and Standards. 6

2.1       Statutory Requirements. 6

2.2       Non-statutory Requirements. 7

3.0   Waste Management 9

3.1       Project Organization. 9

3.1.1    Responsibilities of Key Personnel 9

3.1.2    Regular Information Flow.. 13

4.0   Waste Generation and Disposal 15

4.1       Sources of Waste and Disposal Location. 15

4.2       Alternative Disposal Grounds. 16

5.0   Construction and Demolition Waste Management, Mitigation Measures and Protocols. 18

5.1       Introduction. 18

5.2       Mitigation Measures. 18

5.2.1    Avoidance / Minimization Measures. 18

5.2.2    Reuse and Recycle. 19

5.2.3    Storage. 20

5.2.4    Disposal Methods. 21

5.2.5    Good Site Practices. 22

5.2.6    Trip Ticket System.. 23

6.0   Chemical Waste Management, Mitigation Measures and Protocols. 25

6.1       Chemical Waste Storage, Handling and Disposal 25

6.1.1    Chemical Waste. 25

7.0   General Refuse. 27

7.1       Mitigation Measures for General Refuse. 27

8.0   Sewage System.. 28

8.1       Provision of sewage system for site office. 28

8.2       Provision of sewage system for working locations. 28

9.0   Site Cleanliness. 29

9.1       Daily Cleaning. 29

9.2       Weekly Tidying. 29

9.3       Control of Rodents. 30

10.0                                                                                                                                          Training. 31

11.0                                                                     Waste Management Inspection and Monitoring. 32

11.1     Site Environmental Inspection. 32

11.2    Performance Monitoring. 35

12.0                                                                                                                        Recording System.. 36

12.1     Mechanism for Recording C&D Materials Removed off Site. 36

12.1.1  Construction Waste Disposal Charging Scheme. 36

12.1.2  Data Recording and Filing System.. 37

 

 

APPENDIX

 

Appendix A      Project Environmental Organization Chart

Appendix B      Site Layout Plan

Appendix C      Summary Table for Work Processes or Activities Requiring Timber for Temporary Works

Appendix D      Sample of Daily Record Summary

Appendix E      Sample of CHIT

Appendix F      Disposal Delivery Form (DDF)

Appendix G      Notice to Truck Driver

Appendix H      Environmental Mitigation Implementation Schedule for Waste Management

Appendix I       Waste Flow Table

Appendix J       Control Procedure on off-site disposal of C&D materials

 


1.0            Introduction

This Waste Management Plan (WMP) sets out in detail the approaches CRBC – KADEN JV should adopt in the management of waste generated from the various different construction activities. It also sets out the procedures for the waste management activities and requirements during the construction.

 

To demonstrate the Project Team’s commitment on the continual improvement of our waste management performance, the project waste management policy has been established as below:

 

2.0            Environmental Legislation and Standards

2.1              Statutory Requirements

The following legislation relates to the handling, treatment and disposal of wastes in Hong Kong, and should be observed with regard to all wastes generated and requiring disposal due to the construction, where applicable:

 

·        Waste Disposal Ordinance (Cap 354)

·        Waste Disposal (Chemical Waste) (General) Regulation (Cap 354)

·        Waste Disposal (Charges for Disposal of Construction Waste) Regulation (Cap 354)

·        Land (Miscellaneous Provisions) Ordinance (Cap 28)

·        Public health and Municipal Services Ordinance (Cap 132) – Public Cleansing and Prevention of Nuisances (Urban Council) and (Regional Council) By-Laws

 

The Waste Disposal Ordinance (WDO) prohibits the unauthorized disposal of wastes. The illegal tipping or flytipping of wastes on unauthorized sites is also controlled under the WDO. Under the Waste Disposal (Construction Waste Disposal Charging Scheme) Regulation, project team should apply for a billing account from EPD for disposal of construction wastes generated from the project. The regulation prescribes the requirements of handling of construction wastes on site and the construction waste disposal-charging scheme.

 

Under the Waste Disposal (Chemical Waste) (General) Regulation all producers of chemical wastes (including asbestos) must register with EPD and treat their wastes either utilizing on-site plant licensed by EPD, or arranging for a licensed collector to take the wastes to a licensed facility. The regulation also prescribes the storage facilities to be provided on site, including labeling warning signs, and requires the preparation of written procedures and training to deal with emergencies such as spillages, leakages or accidents arising from the storage of chemical wastes.

 

Construction wastes that are wholly inert would be taken to public dumps. Public dumps usually form part of land reclamation schemes operated by the Civil Engineering and Development Department (CEDD). The Land (Miscellaneous Provisions) Ordinance requires that individuals or companies who deliver suitable construction wastes to public dumps obtain dumping licenses. CEDD issues the licenses under delegated powers from the Director of Lands.

 

The Public Cleansing and Prevention of Nuisances By-Laws provide further controls on the illegal tipping of wastes on unauthorized (unlicensed) sites.

 

The project team should obtain all necessary permits and licenses under these ordinances including, but not limited to:

·        Chemical waste permits/ licenses under the Waste Disposal Ordinance (Cap 354)

·        Billing Account for construction waste disposal-charging scheme (Cap 354)

2.2                   Non-statutory Requirements

The following guidelines related to waste management and disposal would be adhered to during construction of the project:

 

·        Waste Disposal Plan for Hong Kong (1989), Planning, Environmental and Lands Branch, Hong Kong Government Secretarial

·        Environmental Guidelines for Planning in Hong Kong. Hong Kong Planning Standards and Guidelines (1990)

·        New Disposal Arrangements for Construction Waste. EPD and CED (1992)

·        Code of Practice on the Packaging, Labeling and Storage of Chemical Wastes (2002), Environmental Protection Department

·        Code of Practice on the Handling Transportation and Disposal of Asbestos Waste, Environmental Protection Department

·        Code of Practice on the Handling, Transportation and Disposal of Asbestos Waste

·        Code of Practice for Demolition of Buildings 2004

·        Works Branch Technical Circular No. 12/00, Fill Management

·        Works Branch Technical Circular No. 32/92, The Use of Tropical Hard Wood on Construction Site

·        Works Branch Technical Circular No. 2/93, Public Dumps

·        Works Branch Technical Circular No. 16/96, Wet Soil in Public Dumps

·        Works Bureau Technical Circular No. 4/98, Use of Public Fill in Reclamation & Earth Filling Projects

·        Works Branch Technical Circular No. 5/98, On-site Sorting of Construction Waste on Demolition Site

·        Works Branch Technical Circular No. 29/00, Waste Management Plan

·        Works Branch Technical Circular No. 25/99, 25/99A and 25/99 Incorporation of Information on Construction and Demolition Material Management in Public Works Sub-committee Papers

·        Environmental, Transport and Works Branch Technical Circular No. 33/02, Management of Construction and Demolition Material Including Rocks

·        Works Branch Technical Circular No. 6/02 and 6/02A, Enhanced Specification for Site Cleanliness and Tidiness

·        Works Bureau Technical Circular No. 31/04 Trip Ticket System for Disposal of Construction & Demolition Materials

·        Works Bureau Technical Circular No. 15/03, Waste Management on Construction Sites

·        Works Bureau Technical Circular No. 22/03, Additional Measures to Improve Site Cleanliness and Control Mosquito Breeding on Construction Site

·        Waste Reduction Framework Plan, 1998 to 2007, Planning, Environmental and Lands Bureau, Government Secretariat, 5 November 1998

·        A Guide to the Registration of Chemical Waste Producers

·        A Guide to the Chemical Waste Control Scheme

·        Practice Notes for Authorized Persons and Registered Structural Engineers (PNAP) 71

·        Code of Practice: Safety and Health at Work with Asbestos

·        Code of Practice: Control of Asbestos at Work

·        Code of Practice for Demolition of Building 2004

·        Code of Practice on the Handling, Transport and Disposal of Asbestos Waste

·        Factories and Industrial Undertakings (Asbestos) (Approval of Respiratory Protective Equipment) Notice

·        Air Pollution Control Ordinance

·        The Protection of Workers’ Health Series – Asbestos

·        Construction Sites (Safety) Regulations

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


 

3.0            Waste Management

3.1       Project Organization

Appendix A of this WMP contains a Project Organization Chart showing the reporting channels and functional relationships of the various personnel currently employed and to be employed in the future on this project.

3.1.1    Responsibilities of Key Personnel

All personnel of contractor team are required to implement waste management and measures within their work area. A summary of the responsibilities of key personnel:

The Engineer

 

The Engineer is responsible for overseeing the construction works and for ensuring that the works are undertaken by the Contractor in accordance with the specification and contractual requirements. The duties and responsibilities of the Engineer with respect to EM&A may include:

 

·        Supervise the Contractor’s activities and ensure that the requirements in relevant regulation and terms are fully complied with.

·        Inform the Contractor when action is required to reduce environmental impacts in accordance with the Event and Action Plans;

·        Participate in joint site inspections and audits; and

·        Adhere to the procedures for carrying out complaint investigations.

 

Environmental Project Office

 

The independent Environmental Project Office (ENPO) is set up by the Client. The purpose of the ENPO is to oversee the cumulative environmental impacts arising from this Contract and other concurrent projects in the adjoining area and to liaise closely with the mainland project teams for the HZMB Main Bridge.

 

Contractor

The Contractor (JV) shall:

·        Ensure compliance with the procedures and recommendations set out in this WMP;

·        Work within the scope of the construction contract and other tender documents;

·        Participate in the site inspections undertaken by the Environmental Team as required and undertake any corrective actions instructed by the Engineer; and

·        Take responsibility and strictly adhere to the guidelines of the EM&A programme and complementary protocols developed by their staffs.

 

The key personnel for environmental matters include the Project Manager, Environmental Team Leader, Environmental Officer and Environmental Supervisor.  Their responsibilities are listed below:

 

Project Manager

He is the Management Representative of the JV. His overall responsibilities on environmental issues of the Project include:

·      Oversee the implementation of the WMP; and

·      Assign adequate resources for the implementation of the WMP.

 

Site Agent

His/ Her responsibilities include:

·           Supervise & co-ordinate project team and sub-contractors for construction works to meet the quality, safety & environmental and schedule requirements

·           Implement and adherence to statutory environmental requirement

·           Ensure design, work methods and practices take due consideration of environmental requirements

·           Release / accept work which complies with contract / specification requirements

·           Ensure that all project personnel are adequately trained and experienced

·           Ensure all necessary statutory permits and license being applied

·           Ensure all environmental mitigation equipment and installations are well maintained

·           Ensure the recommendations and instruction from Engineer and Environmental Officer are implemented to improve the environmental practice and carry out immediate action to rectify the non-compliance of environmental requirements

·             In the event of unwillingness of site workers (including sub-contractors) to follow correct procedures, carry out necessary actions to rectify the situation. Necessary actions include but not limited to administrative charges, issue warning letter, expel from site and immediate termination of the sub-contract.

·           Carry out monthly environmental management performance review with project team and review the overall environmental performance on a quarterly basis. Report environmental performance in Project Monthly Review Report

·           Report any warning / advises received from Government Authorities (e.g. EPD or Labour Department)

·           Maintain relevant environmental records

 

Environmental Team (ET) Leader

The leader of the Environmental Team shall be an independent party from the Contractor and have relevant professional qualifications, or have sufficient relevant EM&A experience subject to approval of the Engineer and the EPD. The duties of ETL are:

 

·           Identify the potential hazardous waste whenever possible and take proactive actions before problems arise

·           Provide briefing to the contractor’s project team as necessary on the waste management requirements.

 

Environmental Team (ET)

The ET Leader and the ET shall be employed to conduct the EM&A programme and ensure the Contractor’s compliance with the project’s environmental performance requirements during the Contract. The duties are:

·           Environmental site surveillance;

·           Audit of compliance with environmental protection, and pollution prevention and control regulations;

·           Monitor the implementation of environmental mitigation measures;

·           Monitor compliance with the environmental protection clauses/specifications in the Contract;

·           Adhere to the procedures for carrying out complaint investigation, evaluation and identification of corrective measures;

·           Liaison with Independent Checker (Environment) on all environmental performance matters, and timely submission of all relevant EM&A preform for IEC’s approval;

·           Advice to the Contractor on environmental improvement, awareness, enhancement matters, etc., on site;

·           Timely submission of the EM&A report to the Project Proponent and the Director of Environmental Protection.

·           Regularly check the waste chit record to ensure the procedure observing the relative environmental regulations.

·             Ensure the Contractor has implemented the mitigation measures as stated in the EM&A Manual.

 

Environmental Officer

An Environmental Officer will be present full time on site for inspection, supervision and monitoring of the environmental performance, including waste management of the Contract.  The duties of Environmental Officer in the area of waste management will include:

·           Assist the Q&E Manager in preparation, implement and update the Waste Management Plan;

·           Carry out inspections of the Site and attend the weekly environmental walk for checking and identifying any waste management practice on site not complying with this Plan and/ or relevant environmental regulations in Hong Kong;

·           Assist the Q&E Manager on the implementation of site practice to meet the requirement on waste avoidance or waste reduction;

·           Advise the Q&E Manager on the opportunities for reuse/ recycling of C&D materials generated on site;

·           Properly keep the records of the waste reuse, recycle or disposal for inspection by the Engineer;

·           Maintain a database to trace the C&D materials and waste to be generated from the project;

·           Report and rectify any environmental mal-practice on site to avoid the generation of unnecessary C&D materials or waste from the project;

·           Carry out training to the JV staff to promote the environmental awareness.

 

 

Environmental Supervisor(s)

The Environmental Supervisor is an assistant to the EO in environmental matters.  He shall assist the EO in his day-to-day management of on-site environmental issues and act on behalf of the EO during his absence. 

 

Site Engineer(s)/ Foreman(s)

The Site Engineers / Foremen appointed by the JV are responsible for the following duties in relation to environmental control:

·           Assist the project management team to implement in the Contract all environmental related plans, including but not limit to Environmental Management Plan, Waste Management Plan, Spoil Disposal Plan and etc.;

·           Control the Contract to fulfill the requirement of waste management as detailed in this Plan;

·           Ensure the disposal of C&D materials and waste was directed to designated areas as approved by The Engineer;

·           Report to the Environmental Officer on the non-compliance of the frontline operatives or the sub-contractors on handling of the C&D materials and the waste as according to this Plan;

·           Implement remedial actions or mitigation measures on the non-compliance regarding the waste management on site;     

·           Conduct environmental tool box talks to the labourers and workers to make them aware of environmental practice;

·           Collaborate with the Environmental Officer in the implementation of waste management measures;

·           Assist the Environmental Officer in arranging the necessary workforce for carrying out corrective actions.

Sub-contractor

All subcontractors and other employees have the duty to carry out agreed waste management practices as instructed by the Contract management.  Every employee will report promptly to project management any non-compliance of environmental protection and mitigation measures.  They will actively participate in and co-operate with the Contract management to achieve the environmental objectives.

3.1.2    Regular Information Flow

Effective 2-way communications will be developed to initiate the flow of environmental information among different parties. The communication is mainly achieved through the environmental correspondence, environmental report, SSEMC & SSEC meeting, environmental briefing and training, site inspection, etc. and environmental awareness promotion activities between the JV and site works and sub-contractors.

    Table 3.1 - Means of Communications on Environmental Issues

Means

Frequency

Purpose/Action

Responsible Party

Environmental correspondence

As required

Written communication among the ET, JV and the Engineer

ET, JV and Engineer Representative

Monthly Environmental report

Monthly

Report on monitoring and audit results for the Project

EO

Notice of exceedance, non-compliance, complaint

As required

Written notification to different members of the JV requesting appropriate actions

JV, ET, Engineer Representative. Action according to procedures given in Sections 7.0.

licenses and permits

As required

On receipt of a license or permit, the original shall be kept at the site office and a copy shall be sent to AECOM

EO

SSEMC & SSEC meeting

Monthly

Face-to-face communications between the ET and other disciplines

ET Leader, EO, ES, Sub-contractors, Worker’s Representative

Weekly Environmental Walk

Weekly

Face-to-face communications between the EO and the ET Leader during the site inspection

EO, ES, Engineer

Induction training

Contractual requirement for new workers and sub-contractors

Promote awareness of environmental procedures among workers and sub-contractors

EO, ES

Tool Box Talk

Contractual requirement

Promote on-going awareness of environmental procedures among workers and sub-contractors

EO, ES

Site inspection

Continually

Promote awareness of environmental procedures among workers and sub-contractors via routine and specific talks

ET Leader, EO, ES

Environmental records (i.e. Monthly Summary of WFT and Summary table on the use of timber)

Continually

Records of training, permits, communications, etc., refer to Section 6

EO, to be kept at site office

Note:

1.      The follow-up actions on environmental issues in the SSEMC meetings and SSEC meetings will be carried out ASAP and reported in the forthcoming meetings. .The EO/ES shall monitor the progress of the follow-up actions.

2.      The environmental records such as permits and licenses will be checked by EO regularly to ensure that those records are valid and comply with the ordinances.


 

4.0            Waste Generation and Disposal

4.1              Sources of Waste and Disposal Location

Construction and Demolition (C&D) materials include public fill (inert material) and C&D wastes (non-inert material). Public fill should comprise broken concrete, brick and aggregates, etc. C&D wastes should comprise unwanted materials generated during construction, including rejected structures and materials, materials which have been over ordered or are surplus to requirement and materials, which have been used and discarded.

 

The following types of waste would be generated from the construction activities:

 

·   Excavated material

·   C&D material containing inert and non-inert materials

·   Chemical waste

·   General refuse

·   Sewage

 

The disposal sites for the wastes generated from the project as shown in the following table.

 

Table 4.1 - Sources and Waste and Corresponding Disposal Site

Waste Type

Examples

Disposal Site

Estimate Volume

Generated

Estimate Volume Reused on/off-site

Estimate Volume Disposed off-site

Excavated material

·         Rock

·         Rubble

·         Boulder

·         Soil

·         Sand

·         Tuen Mun Area 38 Fill Bank– for inert construction waste excluding slurry and bentonite;

·         Tseung Kwan O Area 137 Fill Bank – for slurry and bentonite

452660 m3

112490 m3

340170 m3

C&D material – public fill (inert)

·        Broken concrete

·         Brick

·         Aggregate

·         Asphalt

·         Tile

·         Masonry

·         Used bentonite

3000 m3

1000 m3

2000 m3

C&D material – C&D waste (non-inert)

·         Wood

·         Bamboo

·         Plastic

·         West New Territories (WENT) Landfill or other disposal outlets as approved by the Engineer Representative

4800 m3

400 m3

4400 m3

Chemical waste

·         Used oil

·         Spent solvent

·        Chemical Waste Treatment Facility at Tsing Yi

·        Other approved facility

30 m3

N/A

30 m3

Chemical waste

(Asbestos)

·         Asbestos Cement pipe

·         Landfill or other disposal outlets as approved by the Engineer

0

N/A

0

General Refuse

·         Packaging waste

·         Office waste

·         West New Territories (WENT) Landfill or other disposal outlets as approved by the Engineer

2400 m3

N/A

2400 m3

Sewage

·         Chemical toilet

·         Site office toilet

·         Licensed contractor

·         Discharge to existing sewer

30 m3/d

20 m3/d

N/A

30 m3/d

20 m3/d

4.2              Alternative Disposal Grounds

In order to make use of C&D materials generated by the Site, JV will identify and use recycling facilities or other construction sites where such materials can be used before obtaining the written approval of the Engineer. Relevant information should be submitted to the Engineer as following:

 

(a)     A detailed description of the alternative disposal ground, including location, lot number (where appropriate), location plan and photographs of the proposed alternative disposal grounds showing the surrounding environment and land use;

(b)     where the alternative disposal ground is a private construction site, a letter from each of the relevant authorities, such as Agriculture, Fisheries and Conservation Department, Lands Department and Planning Department, to comment on suitability of the site under their respective purview, and a letter from the Authorized Person of the development to confirm:-

1)          The C&D materials for use in the development is acceptable;

2)          The land/pond filling in the proposed alternative disposal ground and the use of land so formed by the C&D materials are in conformity with the statutory town plan/lease condition; and

3)          The Engineer’s staffs are allowed to enter the alternative ground to conduct inspections where necessary.

(c)      where the alternative disposal is a private recycling facility, it is on the recyclers’ list for C&D materials recognized by EPD, as well as a letter from the operator to confirm the Engineer’s staff are allowed to enter the recycling facility to conduct inspections where necessary;

(d)     where the alternative disposal ground is a construction site of Government (other than a government contract quarry), Hong Kong Housing Authority or Mass Transit Railway Corporation, a written consent from the project office of the alternative disposal ground to use the C&D materials generated from the Site;

(e)     where the alternative disposal ground is a government contract quarry, a written consent from the Mines Division of Civil Engineering and Development Department to import the C&D materials generated from the Site;

(f)       the estimated quantity and type of C&D materials to be used/processed in the alternative disposal ground and the approximate delivery programme, together with the name, post and specimen signature of the competent person to sign the Disposal Delivery Form (DDF); and

(g)     a system for transmitting disposal records from the alternative disposal ground to the Engineer’s Representative.


 

5.0            Construction and Demolition Waste Management, Mitigation Measures and Protocols

5.1              Introduction

The purpose of this section is to describe the proposed mitigation measures considered to ensure that all wastes generated during the construction and demolition are well-managed on-site, transported and disposed of in a manner that is both environmentally acceptable and in full compliance with statutory and contractual requirements. A Site Layout Plan indicated the area for the waste management such as temporary storage area, waste sorting area and disposal area as presented in Appendix B.

5.2              Mitigation Measures

5.2.1     Avoidance / Minimization Measures

§  Design and programme excavation works so that the materials excavated can be re-used as back-fill material to balance cut and fill and hence reduce the generation of excavated materials.

 

§  Right amount of raw materials should be ordered at the right time with proper control and documentation on material flow to minimize over-ordering. Raw materials should be fully utilized to avoid wastage

 

§  Surplus materials should be returned to stock in centralized area with suitable protective measures. If possible, surplus materials should be exchange with other sites, to minimize material wastage

 

§  Careful design and planning and good site management should be maintained to minimize over ordering and generation of waste materials such as concrete, mortars and cement grouts

 

§  Sequence of demolition should be planned to allow the separation and sorting of building materials.

 

§  Avoid, reduce or minimize the use of timber in temporary works construction as far

§  as possible. Procedures of using timber should be established guiding the use of timber on site, in order to reduce or minimize the use of timber. The design of formwork should maximize the use of standard wooden panels so that high level of reuse can be achieved

 

§  Steel false work should be used as much as possible to reduce the amount of waste timber generated from the project

§  Current operation procedures including any waste reduction measures should be reviewed, especially during installation and cutting, to avoid unnecessary use

§  Broken items or offcuts should be used when sections of small lengths are required

5.2.2    Reuse and Recycle

§  If cut and fill could not be balanced on-site, suitable excavated materials should be sorted on site to recover the inert portions (e.g. soil and broken rock) for reuse on site before the remaining materials are disposed off site or disposal to designated Public Filling Facility

 

§  Carefully plan/program excavation and backfilling activities so that excavated materials can be used for backfilling within the site

 

§  Excavated material should be reused as close to the point of excavation and as soon after excavation as possible and directly transferred to the area of deposition, if practicable.

 

§  The inert C&D materials generated from the toll plaza cut slopes will be used for construction of the raised platform for the toll plaza where possible.

 

§  All C&D materials arising from or in connection with demolition work should be sorted on-site and be separated into different groups for disposal at landfills, public filling facilities or recycling appropriate

 

§  Identify and list out all work processes or activities that should generate reusable/ recyclable materials during construction and demolition

 

§  For those suitable inert C&D materials (e.g. broken concrete from demolition or road improvement works) should be properly sorted for recycling into aggregates and recover the materials for on -site usage

 

§  Demolition debris from demolition works should be sorted to recover on site broken concrete, reinforcement bars, mechanical and electrical fittings as well as other building services fittings / materials that have established recycling outlets

 

§  Procedures of the handling of reusable/ recyclable materials should be established

 

§  Recycle suitable C&D materials by transporting the materials to designated C&D materials recycling facilities for processing

 

§  All materials should be reused on site as far as practicable, including formwork plywood, hoardings, scaffolding, trench supports, topsoil and excavated materials.

 

§  Where necessary, alternatives such as metal scaffolding, steel formwork or plastic facing should be considered to increase the potential for reuse.

 

§  Suitable materials, such as metal should be recovered on site for collection by recycling contractors

 

§  All cardboard and paper packaging (for plant, equipment and materials) should be recovered on site, properly stockpiled in dry condition and covered to prevent cross contamination by other C&D materials

 

§  Reputable recycling contractors with valid licenses and fulfilling all the legislative requirements should be employed to facilitate that recyclable materials sorted from the site are collected with reasonable care

 

§  The quantities of all the recyclable materials should be recorded before removal off site

5.2.3    Storage

The materials stockpiled on-site should be managed in order to prevent any potential impacts. Following measures should be considered in order to properly manage the stockpiled materials:

 

§  Identify and provide sufficient space for temporary storage of C&D materials to facilitate collection and/ or sorting on site

 

§  Stockpiled materials should be sited away from any stream courses so as to avoid releasing materials into the water bodies

 

§  Demolished debris should not be accumulated on the floors unless the debris accumulation is justified by engineering calculations

 

§  No stockpile of construction materials, debris, formworks, or other forms of obstructions is allowed to block the accesses throughout the entire construction period

 

§  Location to minimize visual impacts and nuisance related to noise and air quality (dust) to any sensitive receivers

 

§   Storage of material on site should be kept to a minimum to avoid nuisance to local residents

 

§   Keeping the movement of stockpiled material to a minimum

§    

§   Stockpiled materials should be covered by tarpaulins and/or watered as appropriate to prevent windblown dust and/or surface run-off.

 

§   Measures such as providing sand bag barriers should be provided to prevent the washing away of construction materials, soil, silt or debris into any drainage system. Any washout of construction or excavated materials should be diverted to the drainage system via sediment traps

5.2.4    Disposal Methods

§  All surplus excavated material generated from the project should be disposed of at the designated Public Filling Facility

 

§  According to the Waste Disposal (Charges for Disposal of Construction Waste) Regulation (Cap. 354N), Construction Waste Disposal Charging Scheme mentioned in Section 5.10 in this WMP should be implemented during the construction.

 

§  The acceptance criteria for Public Filling Facility and Landfill should be followed

 

§  All inert C&D materials generated from this contract should be disposed of at the designated Public Filling Facility. Such materials should be free from marine mud, household refuse, plastic, metal, industrial and chemical waste, animal and vegetable matter and other matter considered unsuitable by Filling Supervisor

 

§  All dump trucks used for delivery of public fill to public filling facilities should have valid Dumping Licenses issued by CEDD. The inert C&D materials delivered to the public filling facilities should be in accordance with the conditions in the dumping license

 

§  All non-inert portions of C&D material (C&D waste) generated from the project should be disposed of at the designated landfill and/ or other disposal outlet as directed by the Engineer. Should provide EPD with one week’s advance notice before starting to deliver the C&D waste to the landfills and should inform EPD of any subsequent changes to the disposal programme during the contract period

 

§  Trees and vegetation should be stripped prior to site clearance, chopped and compacted using suitable mobile compactors to reduce the volume of material to be transported and disposed of

 

§  Should not permit any sewage, wastewater or effluent containing sand, cement, silt or any other suspended or dissolved material to flow from the site onto any adjoining land or allow any waste matter or refuse which is not part of the final product from waste processing plants to be deposited anywhere within the site or onto any adjoining land

 

§  In order to minimize the impacts of demolition works, the wastes should be cleared as quickly as possible after demolition

 

§  When any components of a structure or water mains to be demolished and are suspected to be consisting of asbestos, the project team should inform the ER. Any work which involves the use or handling of asbestos containing materials must strictly follow the following procedure:

 

§   employ a registered asbestos consultant to conduct an asbestos investigation and prepare an asbestos investigation report and an asbestos abatement plan;

§    

§   submit the asbestos investigation report and the asbestos abatement plan to the Environmental Protection Department at least 28 days before start work on the asbestos containing materials;

§    

§   notify the Environmental Protection Department of the date of commencement of work on asbestos containing materials at least 28 days in advance;

§    

§   employ a registered asbestos contractor to carry out the asbestos work in accordance with the asbestos abatement plan;

§    

§   employ a registered asbestos consultant to supervise the implementation of the asbestos abatement plan and the work of the registered asbestos contractor; and

 

§   employ a registered asbestos laboratory to conduct sampling and analysis for the asbestos work.

5.2.5    Good Site Practices

§  Responsible for good site practices, arrangements for collection and effective disposal to an appropriate facility, of all wastes generated at the site

 

§  Training of site personnel in proper waste management and chemical waste handling procedures

 

§  Provision of sufficient waste disposal points and regular collection for disposal

 

§  Appropriate measures to minimize windblown litter and dust during transportation of waste by either covering trucks or by transporting wastes in enclosed containers

 

§  Regular cleaning and maintenance programme for drainage systems, sumps and oil interceptors

 

§  A recording system for the amount of wastes generated, recycled and disposed of (including the disposal sites).

5.2.6    Trip Ticket System

A trip ticket system (TTS) for the removal of construction and demolition (C&D) materials from the Site to the designated disposal ground or alternative disposal ground will be implemented as according to the Particular Specification.  The system will be developed and presented in the Waste Management Plan to be prepared for the project. 

 

JV willl inform the Engineer of the account number of the billing account for disposal of construction waste under the Waste Disposal (Designated Waste Disposal Facility) Regulation (Cap. 354L). This is to enable the Engineer to check the disposal records posted at the Environmental Protection Department’s website. The Engineer will provide the account number to the Civil Engineering and Development Department for overall monitoring of the trip ticket system, detecting and taking action to deal with malpractice such as overloading of dump trucks and improper covering of load, and compiling statistics as well as counting eligible trips for mechanical dump truck covers under the pay for safety and environment scheme / pay for safety scheme.

 

Site Management Plan for Trip Ticket Implementation

 

A Site Management Plan (The Plan) will be prepared which includes the implementation of TTS. The Plan should include site organization and staff duties, disposal programme, site procedures for duly completed of CHIT/DDF, as presented in Appendix E and Appendix F etc.

 

A comprehensive register of the disposal delivery for recording the disposal of C&D materials and waste will be established. The register will also cover the recyclable materials removed by the recycling contractors off the Site. The quantity (ton) of the C&D material shall be recorded in the register.

 

Record Keeping

 

For the management of CHIT/DDF, the following procedures and record keep will be implemented to all dumping activities.

 

(a)     For each truckload of C&D materials leaving the Site, the truck driver must bear a duly completed CHIT/ DDF;

 

(b)     A daily record of disposal, as presented in Appendix D, of C&D materials from the Site including CHIT/ DDF numbers, vehicle registration marks, drivers’ particulars, approximate volume, C&D materials type, designated disposal ground, departure time from the Site, actual disposal ground and arrival time at disposal ground should be maintained. Part 1of the DRS completed by JV in duplicate and inform the Engineer’s staff before departure of the vehicle. The Engineer’s staff shall sign Part 1 of the DRS before departure of the trucks, or to suit site operations at other time to be agreed between the Engineer’s Representative and JV;

 

(c)     The truck shall proceed to the disposal ground as stipulated in the designated disposal ground. The truck driver shall present the CHIT/ DDF to the operator of the disposal ground. For a prescribed facility, if the C&D materials accord with the acceptance criteria, disposal of the materials will be permitted and the facility operator will give the driver a Transaction Record Slip and stamp the CHIT.

 

(d)     For disposal ground other than prescribed facilities, the DDF should be signed off by a competent person as agreed by the Engineer at the disposal ground to confirm completion of each trip. A daily record with details of each disposal trip from the Site to the disposal ground will be maintained. The completed Part 2 of the DRS form should be submitted to the Engineer.

 


 

6.0            Chemical Waste Management, Mitigation Measures and Protocols

Chemical waste, as defined under the Waste Disposal (Chemical Waste) (General) Regulation, includes any substance being scrap material, or unwanted substances specified under Schedule 1 of the Regulation. Substances likely to be generated by construction activities arise from the maintenance of construction plant and equipment. These include, but not limited to the following:

 

§   Scrap batteries or spent acid/alkali from their maintenance;

§   Used engine oils, hydraulic fluids and waste fuel;

§   Spent mineral oils/cleaning fluids from mechanical machinery; and

§   Spent solvents/solution, some of which may be halogenated, from equipment cleaning activities.

 

It is anticipated that the quantity of chemical waste, such as lubricating oil and solvent produced from plant maintenance, should be small for this project.

6.1              Chemical Waste Storage, Handling and Disposal

6.1.1    Chemical Waste

Storage, handling, transport and disposal of chemical waste should be arranged in accordance with the Code of Practice on the Packaging, Labeling and Storage of Chemical Waste published by EPD.

 

General:

§   No maintenance activities which may generate chemical wastes should be undertaken directly on the ground;

§   Stored volume shall not be kept more than 450 litres unless the specification has been approved by the EPD. Storage area should be enclosed by three sides by a wall, partition of fence that is at least 2m height or height of tallest container with adequate ventilation and space;

§   Any unused chemicals or those with remaining functional capacity shall be recycled;

 

Containers used for the storage of chemical wastes:

§   Be suitable for the substance they are holding, resistant to corrosion, maintained in a good condition, and securely closed

§   Have a capacity of less than 450 litre unless the specifications have been approved by EPD

§   Display a label in English and Chinese in accordance with instructions prescribed in Schedule 2 of the Regulation

 

 

Labeling:

§   Every container of chemical waste should bear an appropriate label containing the particular details of the chemical waste it contained. The waste producer should ensure that the information contained on the label is accurate and sufficient so as to enable proper and safe handling, storage and transport of the chemical waste

 

Storage area:

§   Be clearly labeled and used solely for the storage of chemical waste

§   Be enclosed on at least 3 sides

§   Have an impermeable floor and bounding of sufficient capacity to accommodate 110% of the volume of the largest container or 20% of the total volume of waste stored in that area, whichever is the greatest

§   Have adequate ventilation

§   Be covered to prevent rainfall entering

§   Be arranged so that incompatible materials are adequately separated

 

Disposal:

§   Be via a licensed waste collector

§   To a licensed disposal facility, such as Chemical Waste Treatment Centre

 

Spillage:

§   Contact immediately the Contracts Manager and/or Foreman and report the spillage

§   Establish source of spill or discharge and determine nature of material

§   Where possible halt discharge

§   Commencing at the source of the spill, establish all current and potential impacted areas following the flow/drainage/infiltration paths to limit of spill and project future path

§   Establish priority order for containment of spill based on assessment above

§   Commence containment of spill using bunds made from available materials and ground water cut-off trenches where necessary

§   After spill is contained remove material (including contaminated soil where necessary) using pumps and/or absorbent materials

§   Dispose of the materials, including the contaminated soil as chemical waste

 

 


 

7.0            General Refuse

The presence of a construction site with large numbers of workers and site offices should result in general refuse requiring disposal. This should mainly consist of food waste, aluminium cans and waste paper.

7.1              Mitigation Measures for General Refuse

§   Temporary storage areas should be identify and provided for the temporary storage of general refuse to facilitate collection

 

§   General refuse generated on-site should be stored in enclosed bins or compaction units separate from construction and chemical wastes

 

§   Temporary storage areas for general refuse should be enclosed to avoid environmental impacts.  Sufficient dustbins should be provided for storage of waste as required under the Public Cleansing and Prevention of Nuisances Ordinance (Regional Council) By-laws

 

§   General refuse should be cleared daily and should be disposed of to the nearest licensed landfill or refuse transfer station

 

§   Separate labelled bins should be provided to segregate the waste generated by workforce. Waste recycle collector should be employed to collect the segregated waste

 

§   Cardboard and paper packaging (for plant, equipment and materials) should be recovered on site, properly stockpiled in dry condition and covered to prevent cross contamination by other C&D materials

 

§   Office waste should be minimized through using papers on both sides. Communication by electronic means should be used as far as possible

 

§   Open burning of refuse on-site is prohibited by law and should not be undertaken

 

§   Toilet wastewater should be transported by a licensed contractor to a Government Sewage Treatment Works for disposal in accordance with the Sanitation and Conservancy (Regional Council) By-laws


 

8.0            Sewage System

8.1              Provision of sewage system for site office

§   In temporary stage, sewer from toilet and domestic wastewater from other source like hand and cup washing should be discharged into holding tank and collect by license collector. Application of Discharging Waste Water into Existing Sewage Manhole” was submitted to DSD for approval.

 

In permanent stage, sewer and domestic wastewater will be discharged to existing sewer, subject to DSD approval. Estimated volume of sewage flow was shown in Table 4.1.

8.2              Provision of sewage system for remote works locations

§   Wastewater from the chemical toilet should be emptied by licensed collector regularly.


 

 

9.0            Site Cleanliness

To maintain the site in a clean and tidy condition during the construction, the following general measures should be implemented on site at all times. Regular site inspections should be undertaken by the site team to ensure that the following general measures are observed on site:

9.1              Daily Cleaning

Daily cleaning should be performed daily after work within the site and the public areas immediately next to the site. It covers:

 

§   Clear passageways, common accesses and public areas, keep them free from obstruction

 

§   All access routes, including public access, staff access, loading/ unloading access of vehicles, emergency access and emergency vehicular access should be kept tidy, safe and convenient

 

§   Storing and stacking materials properly. Clearing stockpile and wastes

 

§   Sorting, storage and/or disposal of waste materials in accordance with the WMP

 

§   Securing hoarding, barriers, guarding, lighting, and signing of works properly

 

§   Removal and prevention of any water ponds and flooding

9.2              Weekly Tidying

Weekly tidying should be performed weekly within the site as well as the public areas immediately next to the site. It covers:

 

§   Thorough cleaning of passageways, common accesses and public areas

 

§   Re-organize storage of materials for better utilization of storage spaces and safe stacking

 

§   Maintenance, re-conditioning and cleaning of plants, tools and equipment

 

§   Collect and remove waste off site in accordance with the Waste Management Plan

§   Clean, re-condition and/or replace the hoarding, barriers, guarding, lighting and signage of works to good working condition

 

§   Clear drains and channels to prevent flooding

9.3              Control of Rodents

To control the rodent problem, the Site shall be maintained in a tidy state at all times to discourage rodent harbourage and detect rodents at an early stage. Refuse and food must be kept in containers with well-fitted covers/rodent proof store rooms to deprive rodents of food. The Contractor shall not attempt to disinfect rodents by themselves but shall appoint a pest control services contractor for rodent control services or contact district pest control offices or the Pest Control Advisory Section of the Food and Environmental Hygiene Department for rodent control advice.


 

10.0        Training

In order to enhance the awareness of the workers including those of the sub-contractors’ on waste management on site, site-specific induction training and regular toolbox talks topic related but not limited to site cleanliness and appropriate waste management procedures including waste reduction, reuse and recycling should be provided to all site staff.

 

Environmental Officer should identify the need and arrange relative trainings for all employee and the sub-contractors’ workers involved in the works.

 

The training should cover the waste management policy, targets, measures for on-site sorting of C&D materials and measurement on waste management performance on the site.

 

An auditable record should be maintained for all environmental training undertaken.


 

11.0        Waste Management Inspection and Monitoring

11.1          Site Environmental Inspection

Site environmental inspection should be conducted in a monthly basis. The Environmental Officer or Site Administrator and the Engineer or his delegate should attend the inspection, in order to evaluate the overall performance of the implementation of the WMP and ensure the appropriate control measures are properly implemented. The inspection should also cover waste sorting, storage and disposal.

 

The aims and objectives of waste management inspection are:

 

§   To ensure that the waste arising from works are handled, stored, collected, transported and disposed of in an environmentally acceptable manner;

 

§   To ensure that the handling, storage, collection and disposal of waste arising from the works comply with the relevant requirements under the Waste Disposal Ordinance and its regulations;

 

§   To encourage the reuse and recycling of materials.

 

Project team should take immediate action to rectify the deficiencies identified from the inspection and report the status of rectification actions in the Monthly Environmental Report.

 

Table 11.1 - Event Action Plan for Non-compliance

Step

Day

Action

Contractor

ER

1

1

Create a new non-compliance record within 1 working day after making an observation during a site audit. The project team should send a Notice of Non-Compliance (NNC) to the ER. The NNC should include the observations and the reasons for non-compliance.

*

 

2

2

Propose corrective actions within 1 working day after the issue of the NNC.

*

+

3

2

Review and agree the proposed corrective actions and make additional recommendations as required.

 

*

+

4

2

Implement the proposed corrective actions once they have been agreed.

*

 

5

-

Check the implementation of the corrective actions at the next site audit. Close the non-compliance record if the implementation of the corrective actions is satisfactory.

*

+

 

6

-

Propose preventive actions within 3 working days after the closure of the non-compliance record.

*

+

 

Note:

*        Action party

+        Comments on the non-compliance record where applicable

ER      Engineer’s Representative

 

The EO shall check whether GCL has followed the relevant contract specifications and the procedures specified under the laws of Hong Kong. In addition to the site inspections, the ET shall review the documentation procedures prepared by the GCL once a week to ensure proper records are being maintained and procedures undertaken in accordance with the Waste Management Plan. The checklist is given in below Table 11.2:

 

Table 11.2Waste Management Checklist

Activities

Timing

Monitoring Frequency

If non-compliance, Action Required

All necessary waste disposal permits or licenses have been obtained

Before the commencement of demolition works

Once

Apply for the necessary permits/licences prior to disposal of the waste. The ET shall ensure that corrective action has been taken.

Only licensed waste haulier are used for waste collection.

Throughout the works

Weekly

Inform the ER of the noncompliance. The ER shall instruct the Contractor to use a licensed waste haulier. The Contractor shall temporarily suspend waste collection of that particular waste until a licensed waste haulier is used. Corrective action shall be undertaken within 48 hours.

Records of quantities of wastes generated, recycled and disposed are properly kept. For demolition material/waste, the number of loads for each day shall be recorded (quantity of waste can then be estimated based on average truck load. Should landfill charging be implemented, the receipts of the charge could be used for estimating the quantity).

Throughout the works

Weekly

The Contractor shall estimate the missing data based on previous records and the activities carried out. The ET shall audit the results and forward to the ER and IEC for approval.

Wastes are removed from site in a timely manner. General refuse is collected on a daily basis.

Throughout the works

Weekly

Inform the ER of the noncompliance. The ER shall instruct the Contractor to remove waste accordingly.

Waste storage areas are properly cleaned and do not cause windblown litter and dust nuisance.

Throughout the works

Weekly

Inform the ER of the noncompliance. The ER shall instruct the Contractor to clean the storage area and/or cover the waste.

Different types of waste are segregated in different containers or skip to enhance recycling of material and proper disposal of waste.

Throughout the works

Weekly

Inform the ER of the noncompliance. The ER shall instruct the Contractor to provide separate skips/ containers. The Contractor shall ensure the workers place the waste in the appropriate containers.

Chemical wastes are stored, handled and disposed of in accordance with the Code of Practice on the Packaging, Handling and Storage of Chemical Wastes, published by the EPD.

Throughout the works

Weekly

Inform the ER of the noncompliance. The ER shall instruct the Contractor to rectify the problems immediately. Warning shall be given to the Contractor if corrective actions are not taken within 24 hrs and the Waste Control Group of the EPD shall be identified.

Demolition material/waste in dump trucks are properly covered before leaving the site.

Throughout the works

Weekly

Inform the ER of the noncompliance. The ER shall instruct the Contractor to comply. The Contractor shall prevent trucks shall leaving the site until the waste are properly covered.

Wastes are disposal of at licensed sites.

Throughout the works

Weekly

Inform the ER of the noncompliance. The ER shall warn the Contractor and instruct the Contractor to ensure the wastes are disposed of at the licensed sites. Should it involve chemical waste, the Waste Control Group of EPD shall be notified.

11.2          Performance Monitoring

§   To facilitate monitoring and control over the site performance on waste management, the following items should be discussed at internal meeting, such as SSEC and SSEMC meeting, or other established channels for performance monitoring:

 

§   Review the WMP including the quantities and types of C&D materials generated, reused and disposed of off-site; the amount of fill materials exported from/imported to the site and quantity of timber used in temporary works construction, sample as presented in Appendix C for each process/ activity.

 

§   Review the implementation of the Construction Waste Disposal Charging Scheme, and identify areas for improvement

 

§   Monitoring the achievement of the WMP to assess its effectiveness

 

§   Discuss and review on the results of the regular Waste Management Inspection

 

§   Review the records on the inspection checklist of the Daily Cleaning and Weekly Tidying

 

§   Review incidents of non-compliance and discuss the necessary follow-up action identified

 

§   Monitor the follow-up action on defects and deficiencies identified

 


 

12.0        Recording System

12.1          Mechanism for Recording C&D Materials Removed off Site

12.1.1                Construction Waste Disposal Charging Scheme

§   Contracts Manager should ensure the implementation of Construction Waste Disposal Charging Scheme for recording the C&D materials being removed off site. The site procedures for implementation are as follows:

 

§   Contracts Manager should, within 21 days after being awarded the contract, make an application for a billing account solely in respect of that contract, using the form “EPD-211 Form 1 - Application for a Billing Account (Construction Work Contract with Value of $1 million or Above)”

 

§   Project Manager should assign competent personnel for the arrangement for disposal of construction wastes

 

§   Before the construction wastes being removed off site, the dump truck drivers should inform the delegated personnel for the “Chit”

 

§   The delegated personnel should fill in a “Chit” for that particular dump truck, issue the Part B & C of “Chit” to the dump truck driver and retain Part A of the “Chit” for record

 

§   The dump truck driver should present Part B & C of “Chit” to operator of designated waste disposal facilities, including the public filling facility, public sorting facility and landfill, when using the disposal service

 

§   If the materials accords with the acceptance criteria, the facilities operator should give Part B of “Chit” and a transaction receipt to the truck driver after completion of the disposal

 

§   The truck drivers should give Part B of “Chit” and the transaction receipt back to the delegated personnel for record

 

§   The delegated personnel should properly record all construction wastes being removed off site and check all relevant records to ensure no illegal dumping

 

§   The delegated personnel should update the status of “Chits”. Enough number of chits should be available for disposal of construction waste. If additional “Chits” required, the delegated personnel should fill in the form “EPD-214 Application for Issuance of Chits for Disposal of Construction Waste for Existing Account-holder” and submit it to EPD

§   If the “Chits” have been lost/ stolen, Project Manager should report to EPD in writing immediately

 

§   A monthly notice of demand and construction waste transaction information of the specific project should be received from EPD. Project Manager should pay the specified prescribed charge within 45 days from the date of the notice and in the manner specified in the notice

 

§   Contracts Manager should regularly review the monthly notice and counter-check with all relevant disposal records to ensure that the billing account is solely used for payment any prescribed charge payable in respect of construction waste generated from his/ her project

 

§   Training on the site procedures for implementation of charging scheme should be provided to all site staff, including the supervisory staff, all truck drivers and those employed by subcontractors.

 

§   All truck drivers must bear a valid Dumping License.

12.1.2                Data Recording and Filing System

A Filing System should be developed for the easy filing and effective retrieval of quality records. The environmental related records should be filed and indexed as per the filing system that should permit easy identification and access on a frequent basis.

 

All records, such as permits, site inspection checklists & reports, etc., relating to the implementation of the WMP, should be kept adequately and be properly recorded. The records should include, but not limited, to the followings:

 

§   Environmental Permit

§   Training Records

§   Inspection Checklists and Records

§   Records of Trip-tickets system

§   Any other related records

 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

Appendix A

Project Environmental Organization Chart

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


                                                                                                                      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Appendix B

Site Layout Plan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Appendix C    

Summary Table for Work Processes or Activities Requiring Timber for Temporary Works