Appendix J               Environmental Mitigation Implementation Schedule

 

Recommended Mitigation Measures

Objectives of the Recommended Measure & Main Concerns to Address

Location

Who to Implement?

When to Implement?

What Requirements or Standards to Achieve?

Status

Air Quality Mitigation Measures

 

 

 

 

 

 

General Measures

 

 

 

 

 

 

Site clearance and demolition of existing structure

 

 

 

 

 

 

The working area for the uprooting of trees, shrubs, or vegetation or for the removal of boulders, poles, pillars or temporary or permanent structures should be sprayed with water or a dust suppression chemical immediately before, during and immediately after the operation

To maintain the entire surface wet

Construction site

Contractor

Construction stage

APCO (Cap.311); Air Pollution Control (Construction Dust) Regulation

TM on EIAO

Ö

All demolished items (including trees, shrubs, vegetation, boulders, poles, pillars, structures, debris, rubbish and other items arising from site clearance) that may dislodge dust particles should be covered entirely by impervious sheeting or placed in an area sheltered on the top and the 3 sides within a day of demolition

To minimize dust emission

Construction site

Contractor

Construction stage

APCO (Cap.311); Air Pollution Control (Construction Dust) Regulation

TM on EIAO

Ö

Excavation and earth moving

 

 

 

 

 

 

The working area of any excavation or earth moving operation should be sprayed with water or a dusty suppression chemical immediately before, during and immediately after the operation

To maintain the entire surface wet

Construction site

Contractor

Construction stage

APCO (Cap.311); Air Pollution Control (Construction Dust) Regulation

TM on EIAO

Ö

Excavation or earthworks should be completed as quickly as practicable and exposed earth should be properly treated by compaction, turfing, hydroseeding, vegetation planting or sealing with latex, vinyl, bitumen, shotcrete or other suitable surface stabilizer immediately after the last construction activity

To minimize dust emission

Construction site

Contractor

Construction stage

APCO (Cap.311); Air Pollution Control (Construction Dust) Regulation

TM on EIAO

N/A

Use of vehicle

 

 

 

 

 

 

Any vehicle with an open load carrying area used for moving materials which have the potential to create dust shall have properly fitted side and tail boards. Materials having the potential to create dust shall not be loaded from a level higher than the side and tail boards, and shall be covered by a clean tarpaulin. The tarpaulin shall be properly secured and shall extend at least 300 mm over the edges of the side and tail boards. The materials shall also be dampened if necessary before transportation

To ensure that the dusty materials do not leak from the vehicle

Construction site

Contractor

Construction stage

APCO (Cap.311); Air Pollution Control (Construction Dust) Regulation

TM on EIAO

Ö

Access road

 

 

 

 

 

 

Every main haul roads with movement of vehicles exceeds 4 vehicles in any 30 minutes or as directed by the Supervising Officer shall be paved with concrete, bituminous materials, hardcores or metal plates, and kept clear of dusty materials; and sprayed with water or a dust suppression chemical

To maintain the entire road surface wet

Construction site

Contractor

Construction stage

APCO (Cap.311); Air Pollution Control (Construction Dust) Regulation

TM on EIAO

Ö

The portion of any road leading only to a construction site that is within 30m of a discernible or designated vehicle entrance or exit should be kept clear of dusty materials

To minimize dust emissions

The portion of any road leading only to a construction site that is within 30m of a discernible or designated vehicle entrance or exit

Contractor

Construction stage

APCO (Cap.311); Air Pollution Control (Construction Dust) Regulation

TM on EIAO

·

Site boundary and entrance

 

 

 

 

 

 

Wheel washing facilities including a high-pressure jet shall be installed at every discernible or designated exit points and used by all vehicles leaving the site. No earth, mud, debris, dust and the like shall be deposited on public roads. Water in the wheel cleaning facility shall be changed at frequent intervals and sediments shall be removed regularly.

To minimize dust emissions

Vehicle exit points

Contractor

Construction stage

APCO (Cap.311); Air Pollution Control (Construction Dust) Regulation

TM on EIAO

·

The area where wheel washing takes place and the section of the road between the washing facilities and the exit point should be paved with concrete, bituminous materials or hardcores

To minimize dust being raised

Area where vehicle washing takes place and the section of the road between the washing facilities and the exit point

Contractor

Construction stage

APCO (Cap.311); Air Pollution Control (Construction Dust) Regulation

TM on EIAO

Ö

Where a portion of the Site boundary adjoins a road, street, service and or other area accessible to the public, hoarding of not less than 2.4m from ground level should be provided along the entire length of that portion of the Site boundary except for site entrance or exit

To minimize dust being raised

Site boundary

Contractor

Construction stage

APCO (Cap.311); Air Pollution Control (Construction Dust) Regulation

TM on EIAO

Ö

Stockpiling of dusty materials

 

 

 

 

 

 

Stockpiles of sand and aggregate greater than 20m3 shall be enclosed on three sides, with walls extending above the pile and 2 metres beyond the front of the pile; and all stockpiles shall be covered by a clean tarpaulin or sprayed with a dust suppression chemical

To maintain the entire surface wet

Construction site

Contractor

Construction stage

APCO (Cap.311); Air Pollution Control (Construction Dust) Regulation

TM on EIAO

Ö

Specific Measure

 

 

 

 

 

 

Water lorries shall be provided to water the site.

To minimize fugitive dust emission

Construction site

Contractor

Construction stage

ER Part 14 Clause 29.17(16)

Ö

Twice daily watering of the construction site where construction activities are conducted.

To suppress dust generated

Construction site

Contractor

Construction stage

APCO (Cap.311); Air Pollution Control (Construction Dust) Regulation

TM on EIAO

Ö

Noise Mitigation Measures

 

 

 

 

 

 

General Measures

 

 

 

 

 

 

Good Site Practice

 

 

 

 

 

 

Use of quiet construction equipment and/or employ the quietest practicable working methods when carrying out demolition works, and/or road opening works during restricted hours.

To reduce noise impacts

Construction site

Contractor

Construction stage

NCO (Cap.400);

EIAO (cap.499);

TM on EIAO;

 

Ö

All plant and equipment used on site should be properly maintained in good operating condition

To reduce noise impacts

Construction site

Contractor

Construction stage

NCO (Cap.400);

EIAO (cap.499);

TM on EIAO;

PP-TM;

GW-TM;

DA-TM

Ö

Noisy construction activities shall be effectively sound reduced by means of silencers, mufflers, acoustic linings or shields, acoustic sheds or screens or other means to avoid disturbance to any nearby noise sensitive receivers

To reduce noise impacts

Construction site

Contractor

Construction stage

NCO (Cap.400);

EIAO (cap.499);

TM on EIAO;

PP-TM;

GW-TM;

DA-TM

N/A

Intermittent noisy activities should be scheduled to minimize exposure of nearby NSRs to high levels of construction noise

To reduce noise impacts

Construction site

Contractor

Construction stage

NCO (Cap.400);

EIAO (cap.499);

TM on EIAO;

PP-TM;

GW-TM;

DA-TM

N/A

Noisy equipment and activities shall be sited as far from sensitive receivers as practical

To reduce noise impacts

Construction site

Contractor

Construction stage

NCO (Cap.400);

EIAO (cap.499);

TM on EIAO;

PP-TM;

GW-TM;

DA-TM

Ö

Idle equipment should be turned off or throttled down.  Noisy equipment should be properly maintained and used no more often than is necessary

To reduce noise impacts

Construction site

Contractor

Construction stage

NCO (Cap.400);

EIAO (cap.499);

TM on EIAO;

PP-TM;

GW-TM;

DA-TM

Ö

Use of hydraulic concrete crusher whenever applicable

To reduce noise impacts

Construction site

Contractor

Construction stage

ER Part 14 Clause 29.15(14)

N/A

Using Temporary and Movable Noise Barriers

 

 

 

 

 

 

Movable barriers of 3 to 5m height with a small cantilevered upper portion and skid footing can be located within a few metres of stationary plant and within about 5m or more of mobile equipment such as an excavator and mobile crane etc., such that the line of sight to the NSR is blocked by the barriers

To reduce noise impacts

Stationary plants on construction sites

Contractor

Construction stage

NCO (Cap.400);

EIAO (cap.499);

TM on EIAO;

PP-TM;

GW-TM;

DA-TM

N/A

Purpose-built noise barriers or screens constructed of appropriate material (minimum superficial density of 15 kg/m2) located close to operating PME shall be provided, in order to reduce the noise impact to the surrounding sensitive uses.  Certain types of PME, such as generators and compressors, can be completely screened by portable barriers giving a total noise reduction of 10 dB(A) or more

To reduce noise impacts

Construction site

Contractor

Construction stage

NCO (Cap.400);

EIAO (cap.499);

TM on EIAO;

PP-TM;

GW-TM;

DA-TM

N/A

Using Noise Screening Structures or Purpose-built Noise Barriers along the Site Boundary

 

 

 

 

 

 

Site buildings such as office and stores can be grouped together to form a substantial barrier separating site operations and nearby noise sensitive premises

To reduce noise impacts

Site buildings

Contractor

Construction stage

NCO (Cap.400);

EIAO (cap.499);

TM on EIAO;

PP-TM;

GW-TM;

DA-TM

N/A

Stacks of certain materials such as bricks, aggregate, timber or top soil can be strategically placed to form a barrier

To reduce noise impacts

Construction site

Contractor

Construction stage

NCO (Cap.400);

EIAO (cap.499);

TM on EIAO;

PP-TM;

GW-TM;

DA-TM

N/A

For adverse cases, purpose-built noise barriers or screens could be placed along the site boundary

To reduce noise impacts

Site boundary

Contractor

Construction stage

NCO (Cap.400);

EIAO (cap.499);

TM on EIAO;

PP-TM;

GW-TM;

DA-TM

N/A

Specific Measures

 

 

 

 

 

 

Use of movable noise barrier for the following construction activities:

·         construction of viaduct from Tai Lam Kok to Siu Lam including piling, pile cap, bridge piers and abutment, casting of bridge beams and lifting of bridge beams

·         construction works at Siu Lam Interchange including relocation of CLP power sub-station, bored pile wall construction, road embankment, realignment of access road, roundabout modification, road pavement, utilities, footpath and road furniture

To reduce noise impacts

Work sites of the viaduct from Tai Lam Kok to Siu Lam and Siu Lam Interchange

Contractor

Construction stage

 

N/A

Restriction on the usage of operating PME for the following construction activities during the examination period of the schools:

·         Road reconstruction from Tai Lam Kok to Siu Lam: road construction (excavation of existing pavement, road pavement, footpath and road furniture), utilities, fill slopes recompaction, cut slopes stabilization (soil nailing to cut slopes).

·         Reclamation at Tai Lam Kok: dredging and sand filling.

To reduce noise impacts

Work sites of the road reconstruction  from Tai Lam Kok to Siu Lam and reclamation at Tai Lam Kok

Contractor

Construction stage

 

N/A

Rescheduling of the following concurrent construction activities so as to avoid simultaneous operating during the examination period of the schools:

Seamen’s Training Centre

·         Piling works for viaduct from Tai Lam Kok to Siu Lam and dredging works at Tai Lam Kok

·         Piling works for viaduct from Tai Lam Kok to Siu Lam and seawall construction at Tai Lam Kok

·         Pile cap, bridge pier & abutment and filling works at Tai Lam Kok

·         Fill slope recompaction and soil nailing to cut slopes (cut slopes stabilization) for road reconstruction from Tai Lam Kok to Siu Lam

 Customs & Excise Training School

·         Fill slopes recompaction and soil nailing to cut slopes (cut slopes stabilization) along the existing Castle Peak Road from Tai Lam Kok to Siu Lam

To reduce noise impacts

Work sites of the road reconstruction  from Tai Lam Kok to Siu Lam and viaduct construction from Tai Lam Kok to Siu Lam

Contractor

Construction stage

 

N/A

Low noise road surfacing, using polymer modified friction course material or otherwise as agreed with EPD, on viaduct should be fully implemented.

To mitigate traffic noise impact

Construction site

Contractor

Construction stage

Condition 3.5 of EP-171/2003/A

N/A

Water Quality Mitigation Measures

 

 

 

 

 

 

Sediment Dredging

 

 

 

 

 

 

Dredging should be undertaken using closed grab dredgers with a maximum total production rate of 3,000 m3 day-1

To avoid water pollution

Construction site

Contractor

Construction stage

WBTC No. 34/2002

N/A

Deployment of silt curtain around the immediate dredging area while dredging works are in progress

To avoid water pollution

Construction site

Contractor

Construction stage

WBTC No. 34/2002

N/A

Filling should commence only after the completion of seawall construction and should be undertaken behind the seawalls

To avoid water pollution

Construction site

Contractor

Construction stage

WBTC No. 34/2002

N/A

Mechanical grabs should be designed and maintained to avoid spillage and seal tightly while being lifted

To avoid water pollution

Construction site

Contractor

Construction stage

WBTC No. 34/2002

N/A

All vessels should be sized so that adequate clearance is maintained between vessels and the seabed in all tide conditions, to ensure that undue turbidity is not generated by turbulence from vessel movement or propeller wash

To avoid water pollution

Construction site

Contractor

Construction stage

WBTC No. 34/2002

N/A

All hopper barges and dredgers should be fitted with tight fitting seals to their bottom openings to prevent leakage of material

To avoid water pollution

Construction site

Contractor

Construction stage

WBTC No. 34/2002

N/A

Construction activities should not cause foam, oil, grease, scum, litter or other objectionable matter to be present on the water within the site or dumping grounds

To avoid water pollution

Construction site

Contractor

Construction stage

WBTC No. 34/2002

Ö

Loading of barges and hoppers should be controlled to prevent splashing of dredged material into the surrounding water.  Barges or hoppers should not be filled to a level that will cause the overflow of materials or polluted water during loading or transportation

To avoid water pollution

Construction site

Contractor

Construction stage

WBTC No. 34/2002

N/A

Construction Site Runoff and Drainage

 

 

 

 

 

 

Before commencing any site formation work, all sewer and drainage connections shall be sealed to prevent debris, soil, sand etc. from entering public sewers/drains

To avoid water pollution

Construction site

Contractor

Construction stage

ProPECC

PN 1/94

Ö

Provision of perimeter channels to intercept storm-runoff from outside the site.  These shall be constructed in advance of site formation works and earthworks

To avoid water pollution

Construction site

Contractor

Construction stage

ProPECC

PN 1/94

Ö

Temporary ditches such as channels, earth bunds or sand bag barriers shall be included to facilitate runoff discharge into the stormwater drain, via a sand/silt basin/trap

To avoid water pollution

Construction site

Contractor

Construction stage

ProPECC

PN 1/94

Ö

Works programmes shall be designed to minimise works areas at any one time, thus minimising exposed soil areas and reducing the potential for increased siltation and runoff

To avoid water pollution

Construction site

Contractor

Construction stage

ProPECC

PN 1/94

Ö

Sand/silt removal facilities such as sand traps, silt traps and sediment basins shall be provided to remove the sand/silt particles from run-off.  These facilities shall be properly and regularly cleaned and maintained. These facilities shall be carefully planned to ensure that they would be installed at appropriate locations to capture all surface water generated on site

To avoid water pollution

Construction site

Contractor

Construction stage

ProPECC

PN 1/94

Ö

Careful programming of the works to minimise excavation works during the rainy season

To avoid water pollution

Construction site

Contractor

Construction stage

ProPECC

PN 1/94

Ö

Temporary access roads shall be protected by crushed gravel and exposed slope surfaces shall be protected when rainstorms are likely

To avoid water pollution

Construction site

Contractor

Construction stage

ProPECC

PN 1/94

Ö

Open stockpiles of construction materials on-site shall be covered with tarpaulin or similar fabric during rainstorms to prevent erosion

To avoid water pollution

Construction site

Contractor

Construction stage

ProPECC

PN 1/94

Ö

General Construction Activities

 

 

 

 

 

 

Debris and rubbish generated on-site should be collected, handled and disposed of properly to avoid entering the nearby coastal waters and stormwater drains

To avoid water pollution

Construction site

Contractor

Construction stage

ProPECC

PN 1/94

·

All fuel tanks and store areas shall be provided with locks and be sited on sealed areas, within bunds of a capacity equal to 110% of the storage capacity

To avoid water pollution

Construction site

Contractor

Construction stage

ProPECC

PN 1/94

Ö

Open drainage channels and culverts near the works areas should be covered to block the entrance of large debris and refuse

To avoid water pollution

Construction site

Contractor

Construction stage

ProPECC

PN 1/94

N/A

Sewage from Workforce

 

 

 

 

 

 

Portable toilets shall be provided by the Contractors, where necessary, to handle sewage from the workforce

To avoid water pollution

Construction site

Contractor

Construction stage

ProPECC

PN 1/94

Ö

Road Drainage

 

 

 

 

 

 

The silt traps should be regularly cleaned and maintained in good working condition

To avoid water pollution

Road drainage system

Highways Department

Operation stage

ProPECC

PN 5/93

N/A

Waste Management Mitigation Measures

 

 

 

 

 

 

Handling and Disposal of Dredged Materials

 

 

 

 

 

 

In accordance with the WBTC No. 34/2002, the seriously contaminated material must be dredged and transported with great care.  Mitigation measures, including the use of closed-grab dredgers, shall be incorporated

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WBTC No. 34/2002

N/A

The dredged contaminated sediment must be effectively isolated from the environment upon final disposal and shall be disposed of at the East Sha Chau Contaminated Mud Pits

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WBTC No. 34/2002

N/A

During transportation and disposal of the dredged marine sediments, bottom opening of barges shall be fitted with tight fitting seals to prevent leakage of material.  Excess material shall be cleaned from the decks and exposed fittings of barges and hopper dredgers before the vessel is moved

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WBTC No. 34/2002

N/A

During transportation and disposal of the dredged marine sediments, monitoring of the barge loading shall be conducted to ensure that loss of material does not take place during transportation.  Transport barges or vessels shall be equipped with automatic self-monitoring devices as specified by the Director of Environmental Protection

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WBTC No. 34/2002

N/A

Good Site Practices and Waste Reduction Measures

 

 

 

 

 

 

Use waste haulier authorized or licensed to collect specific category of waste

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WDO (Cap.54)

Ö

Obtain the necessary waste disposal permits from the appropriate authorities, if they are required, in accordance with the Waste Disposal Ordinance (Cap 354, Waste Disposal (Chemical Waste) (General) Regulation (Cap 354), the Land (Miscellaneous Provision) Ordinance (Cap 28)

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WDO (Cap.54)

Ö

Nomination of an approved personnel, such as a site manager, to be responsible for good site practice, arrangements for collection and effective disposal to an appropriate facility, of all wastes generated at the site

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WDO (Cap.54)

Ö

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

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WDO (Cap.54)

Ö

Provision of sufficient waste disposal points and regular collection for disposal

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WDO (Cap.54)

Ö

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

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WDO (Cap.54)

N/A

Separation of chemical wastes for special handling and appropriate treatment at the CWTF

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WDO (Cap.54)

N/A

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

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WDO (Cap.54)

Ö

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

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WDO (Cap.54)

Ö

In order to monitor the disposal of C&D and solid wastes at public filling facilities and landfills, and control fly-tipping, a trip-ticket system should be included as one of the contractual requirements and implemented by the Environmental Team.  One may make reference to WBTC No. 5/99 for details

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WDO (Cap.54)

Ö

A Waste Management Plan (WMP) should be prepared and this WMP should be submitted to the SOR for approval.  One may make reference to WBTC No. 15/2003 for details

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WDO (Cap.54)

Ö

Segregation and storage of different types of waste in different containers, skips or stockpiles to enhance reuse or recycling of materials and their proper disposal

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WBTC No. 4/98

Ö

To encourage collection of aluminium cans by individual collectors, separate labelled bins shall be provided to segregate this waste from other general refuse generated by the work force

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WBTC No. 4/98

Ö

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

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WBTC No. 4/98

N/A

Use of reusable non-timber formwork to reduce the amount of C&D material

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WBTC No. 4/98

Ö

Prior to disposal of C&D waste, it is recommended that wood, steel and other metals shall be separated for re-use and / or recycling to minimise the quantity of waste to be disposed of to landfill

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WBTC No. 4/98

Ö

Proper storage and site practices to minimise the potential for damage or contamination of construction materials

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WBTC No. 4/98

Ö

Plan and stock construction materials carefully to minimize amount of waste generated and avoid unnecessary generation of waste

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

WBTC No. 4/98

Ö

Construction and Demolition (C&D) Waste

 

 

 

 

 

 

Careful design, planning and good site management can minimize over-ordering and generation of waste materials such as concrete, mortar and cement grouts.  The design of formwork should maximize the use of standard wooden panels so that high reuse levels can be achieved.  Alternatives such as steel formwork or plastic facing should be considered to increase the potential for reuse

To minimize over-ordering and generation of waste materials, and to increase the potential for reuse

Construction site

Contractor

Construction stage

TM on EIAO;

WDO;

Land (Miscellaneous Provision) Ordinance (Cap.28);

Public Health and Municipal Services Ordinance (Cap.132);

HKPSG;

New Disposal Arrangements for Construction Waste;

Various WBTC

Ö

The contractor should use as much of the C&D material as possible on-site.  Proper segregation of waste types on site will increase the feasibility of certain components of the waste stream by recycling contractors

To increase the feasibility of certain components of the waste stream by recycling companies

Construction site

Contractor

Construction stage

TM on EIAO;

WDO;

Land (Miscellaneous Provision) Ordinance (Cap.28);

Public Health and Municipal Services Ordinance (Cap.132);

HKPSG;

New Disposal Arrangements for Construction Waste;

Various WBTC

Ö

Inert C&D material (public fill) are directed to reclamation areas, where they have the added benefit of offsetting the need for removal of materials from borrow areas for reclamation purposes, or to an approved public filling area (PFA)

To handle waste properly

Construction site

Contractor

Construction stage

TM on EIAO;

WDO;

Land (Miscellaneous Provision) Ordinance (Cap.28);

Public Health and Municipal Services Ordinance (Cap.132);

HKPSG;

New Disposal Arrangements for Construction Waste;

Various WBTC

N/A

Chemical Wastes

 

 

 

 

 

 

After use, chemical wastes should be handled according to the Code of Practice on the Packaging, Labeling and Storage of Chemical Wastes.  Spent chemicals should be stored and collected by an approved operator for disposal at the Chemical Waste Treatment Facility or other licensed facility in accordance with the Chemical Waste (General) Regulation

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

Waste Disposal (Chemical Waste) (General) Regulation;

Code of Practice on the Packaging Labelling and Storage of Chemical Wastes

N/A

Containers used for the storage of chemical waste should:

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

·         Have a capacity of less than 450 litres unless the specifications have been approved by the EPD; and

·         Display a label in English and Chinese in accordance with instructions prescribed in Schedule 2 of the Regulations

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

Waste Disposal (Chemical Waste) (General) Regulation;

Code of Practice on the Packaging Labelling and Storage of Chemical Wastes

N/A

The storage area for chemical waste should:

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

·         Be enclosed on at least 3 sides;

·         Have an impermeable floor and bunding, of capacity to accommodate 110% of the volume of the largest container or 20% by volume of the chemical waste stored in that area, whichever is the greatest;

·         Have adequate ventilation;

·         Be covered to prevent rainfall entering (water collected within the bund must be tested and disposal as chemical waste if necessary); and

Be arranged so that incompatible materials are adequately separated.

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

Waste Disposal (Chemical Waste) (General) Regulation;

Code of Practice on the Packaging Labelling and Storage of Chemical Wastes

·

Disposal of chemical waste should:

 

·         Be via a licensed waste collector.

·         Be a facility licensed to receive chemical waste, such as the Chemical Waste Treatment Facility which offers a chemical waste collection service and can supply the necessary storage containers; or be a reuser of the waste, under approval from the EPD.

Be a reuser of the waste, under approval from the EPD

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

Waste Disposal (Chemical Waste) (General) Regulation;

Code of Practice on the Packaging Labelling and Storage of Chemical Wastes

N/A

General Refuse

 

 

 

 

 

 

General refuse should be stored in enclosed bins or compaction units separate from C&D and chemical wastes.  A reputable waste collector should be employed by the contractor to remove general refuse from the site, separately from C&D and chemical wastes, on a daily or every second day basis to minimize odour, pest and litter impacts

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

PHMSO;

Air Pollution

Control (Open Burning) Regulation

Ö

Office waste can be reduced through recycling of paper if volumes are large enough to warrant collection.  Participation in a local collection scheme should be considered if one is available

To ensure the wastes are adequately managed

Construction site

Contractor

Construction stage

PHMSO;

Air Pollution

Control (Open Burning) Regulation

Ö

Ecology Mitigation Measures

 

 

 

 

 

 

On-site planting should be provided if there are loss of vegetation due to construction activities

To restore vegetation

Construction site

Contractor

Construction stage

 

Ö

Erect fences where practical along the boundary of construction sites

To protect vegetation

Construction site

Contractor

Construction stage

 

Ö

Check the work site boundaries regularly

To protect vegetation

Construction site

Contractor

Construction stage

 

Ö

Prohibit and prevent open fires within the site boundary and provide temporary fire fighting equipment

To protect vegetation

Construction site

Contractor

Construction stage

 

Ö

Reinstate temporary work sites / disturbed areas to its original condition immediately after completion of the construction

To restore vegetation

Construction site

Contractor

Construction stage

 

N/A

Landscape and Visual Mitigation Measures

 

 

 

 

 

 

Construction programming and management

 

 

 

 

 

 

The construction programme for the Project should be reduced to the shortest possible period, particularly in those locations where severe or high landscape and visual impacts are expected

To ensure landscape and visual amenities are properly managed

Construction site

Contractor

Construction stage

 

N/A

Keeping the periphery of the works areas at street level clean and tidy and attractive and convenient for pedestrians

To ensure landscape and visual amenities are properly managed

Construction site

Contractor

Construction stage

 

Ö

Use of colourful hoarding with interesting motifs

To ensure landscape and visual amenities are properly managed

Construction site

Contractor

Construction stage

 

N/A

Advanced planting and erosion control works

 

 

 

 

 

 

Advance planting of trees and landscape areas

To ensure landscape and visual amenities are properly managed

Construction site

Contractor

Construction stage

 

N/A

Temporary hydroseeding of stockpiled topsoil to minimise erosion and improve the visual appearance

To ensure landscape and visual amenities are properly managed

Construction site

Contractor

Construction stage

 

N/A

Maintenance and Management of planting during operation

To ensure landscape and visual amenities are properly managed

Construction site

LCSD

Operation stage

WBTC 18/94

LU/GN001

N/A

Maximisation of amenity planting in road corridor

 

 

 

 

 

 

Opportunities to incorporate significant amenity areas along the alignment should be maximised to provide visual relief in an otherwise congested traffic environment. Efforts to remove the footpath from the immediate road edge are to be incorporated whenever possible

To ensure landscape and visual amenities are properly managed

Construction site

HyD

Design stage

 

N/A

Substantial planting of amenity areas

To ensure landscape and visual amenities are properly managed

Construction site

Contractor

Construction stage

 

N/A

Maintenance of planting during operation

To ensure landscape and visual amenities are properly managed

Construction site

LCSD

Operation stage

WBTC 18/94

LU/GN001

N/A

Design, materials and finishes of engineering structures

 

 

 

 

 

 

The quality of the design of all engineering structures, which will include viaducts, parapets, piers, slip roads, noise barriers, noise enclosures and drainage systems. Attention should be given to design modern and attractive structures

To ensure landscape and visual amenities are properly managed

Construction site

Contractor

Design stage

ACABAS

Submission HyD Standards

Ö

High quality finishes to structural elements

To ensure landscape and visual amenities are properly managed

Construction site

Contractor

Construction stage

 

N/A

Maintenance and management during operation

To ensure landscape and visual amenities are properly managed

Construction site

HyD

Operation stage

 

N/A

Maximisation of woodland planting on disturbed land

 

 

 

 

 

 

Compensatory planting

To ensure landscape and visual amenities are properly managed

Construction site

Contractor

Construction stage

WBTC 25/93

N/A

Maintenance and Management of planting during operation

To ensure landscape and visual amenities are properly managed

Construction site

LCSD

Operation stage

WBTC 18/94

LU/GN/001

N/A

Urban area under-viaduct hard and soft landscape works

 

 

 

 

 

 

Where viaducts result in sterilised space under viaducts, extensive hard and soft landscape works should be provided to enhance and restore the function of the land, including creepers and climbers on retaining walls and supporting columns

To ensure landscape and visual amenities are properly managed

Construction site

Contractor

Construction stage

 

N/A

Maintenance and management of during operation

To ensure landscape and visual amenities are properly managed

Construction site

ASD/LCSD/HyD

Operation stage

WBTC 18/94

LU/GN/001

N/A

 

Note:

Ö

Compliance of mitigation measure

´

Non-compliance of mitigation measures

·

Non-compliance but rectified by the contractor

N/A

Not applicable