Code of Construction Practice Part B: Site Speciﬁc Requirements Acton Storm Tanks - Revised 3 February 2014

8/13/2019 Code of Construction Practice Part B: Site Specic Requirements Acton Storm Tanks - Revised 3 February 2014

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DCO-DT-000-ZZZZZ-071902 I Feburary 2014

Code of Construction Practice

Part B: Site-specificrequirements

Acton Storm Tanks


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Code of Construction Practice Part B

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Code of Construction Practice Part B ii

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Acton Storm Tanks

Code of Construction Practice Part B 2

Figure 1.1 Acton Storm Tanks: Site context and location plan

Note: For detailed limits of land to be acquired or used, refer to the drawings in the Book of Plans.

2 General requirements

2.1.1 As per the CoCP Part A.

3 Communications and community/stakeholderliaison

3.1.1 As per the CoCP Part A.

4 Site operation

Topic Site-specific requirement

Working hours The following working hours shall apply to this site:a. standard

b. continuous for the main tunnel secondary liningphase.

When other types of working hours (see CoCP Part

A, Table 4.1) are required, these shall be subject toconsent from the local authority under Section 61 of


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Topic Site-specific requirementphases to minimise the impact on users.The contractor shall manage potential conflictsbetween construction activities and pedestrians by

use of traffic marshals on Canham Road, includingusers of the nursery.The site-specific traffic management plan shallcomply with the London Borough of Ealingsrequirements for signage, tactile paving and roadmarkings to be provided where diversions are inplace.

Event restrictions N/A

River transport N/A

Other N/A

6 Noise and vibration


Control measuresThe noise and vibration controlmeasures shall be detailed(and may be modified or

added to) in Section 61consent applications to thelocal authority.

The construction area around the main tunnel shaftshall be covered by an enclosure during the maintunnel secondary lining works. The enclosures cladding shall have a minimum sound reductionvalue of 20 dB R w. Noise enclosure openings shallface away from sensitive noise receptors wherepracticable; at night openings shall only be usedwhere essential and kept closed when not in use.The temporary concrete batching plant shall beenclosed by a suitable structure and acousticattenuation material.Movements of vehicles onsite outside standardhours shall be restricted.The fill material in the existing storm tanks shall becompacted using machinery that generates thelowest practicable vibration levels that can achievethe required level of compaction. Specifically, largetwin-drum vibrating rollers shall only be used inlocations where vibration levels can be controlled toless than the impact criteria set in theEnvironmental Statement, Vol 4: Acton StormTanks, Tables 9.5.3 and 9.5.4 .

Other N/A


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7 Air quality


Vehicle and plant emissions As per the CoCP Part A.

Dust emissions/control Reference should be made to CoCP Part A para.7.5.1 when agreeing locations and data provisionswith the London Boroughs of Ealing and Hounslow.Baseline monitoring for PM 10 and NO 2 shall becarried out for a minimum of 12 months prior tocommencing works. Note that the nearest

Automatic Urban and Rural Network monitor iscurrently located in North Kensington. Themonitoring layout shall include a continuous monitorlocated at each end of a transect of the site, havingregard to the prevailing wind direction.

Additional monitors shall be located at the boundaryof the site with 2-10 Greenend Road and in thevicinity of 1-2 Canham Road.

Odour As per the CoCP Part A.

Other N/A

8 Water resources


Control of pollution:surface water/groundwater

As per the CoCP Part A.

Control on abstraction As per the CoCP Part A.

Ground treatment As per the CoCP Part A.

Other N/A

9 Land quality


Site works As per the CoCP Part A.

Site-specific issues/mitigation As per the CoCP Part A.


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10 Waste management and resource use


Excavated material If suitable, excavated material arising from worksonsite shall be used to fill the northern storm tanks.

Resource usage As per the CoCP Part A.

Other N/A

11 Ecology (aquatic and terrestrial)


Protection of habitats Bird and bat boxes shall be installed at locationsagreed with the local authority.

Protection of trees Moderate quality (prominent) existing trees shall bereplaced with high quality trees on completion of theworks.See below for details of advanced planting.

Other N/A

12 Historic environment


Other As per the CoCP Part A.

13 Other


Visual Advanced planting shall be provided to form a treeline screen down the eastern boundary andsoutheastern corner of the site hoarding.


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Documents

Code of Construction Practice Part B: Site Speciﬁc Requirements Acton Storm Tanks - Revised 3 February 2014