CoCP Part B Chelsea Embankment Foreshore Track Changes

8/13/2019 CoCP Part B Chelsea Embankment Foreshore Track Changes

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Code of Construction Practice Part B

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Code of Construction Practice ii

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CoCP Part B: Chelsea Embankment Foreshore

Code of Construction Practice Part B 1

1 Chelsea Embankment Foreshore

1.1 General

1.1.1 All works covered within this document are to be managed and performedto the culture within the Thames Tideway Tunnel vision of Zero Incidents,Zero Harm, Zero Compromise.

1.1.2 The Code of Construction Practice(CoCP) comprises two parts:

a. Part A: General requirements. These measures are applicableproject-wide.

b. Part B: Site-specific requirements. These are site-specific measures,where there are deviations from the general requirements indicated inPart A.

1.1.3 This document comprises the CoCPPart B for the Thames TidewayTunnel project works at Chelsea Embankment Foreshore site andidentifies the detailed site-specific measures including working hours, siteset up and servicing arrangements, taking into account the environmentalissues and consultations with the Royal Borough of Kensington andChelsea and other stakeholders.

1.1.4 For ease of reference the CoCPPart B mirrors the headings in Part A.The CoCPPart B sets out site-specific issues and deviations from Part Aso where there are no site-specific measures reference should be made tothe measures set out in Part A.

1.1.5 A plan showing the location of the site is shown in


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1.1.6 Figure 1.1 below.


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Figure 1.1 Chelsea Embankment Foreshore: Site context and locationplan

Note: For detailed Limits of Land to be Acquired or Used, refer to drawings in the Book of Plans.

2 General requirements

2.1.1 As per text in CoCPPart A.

3 Communications and community/stakeholderliaison

3.1.1 As per text in CoCPPart A.

4 Site operation

Topic Site-specific requirement

Working hours This site willshalladhere to the following workinghours:

a. standard

b. continuous for duration of the Ranelagh

connection tunnel construction.


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When other types of working hours (CoCPPart A,Table 4.1) are required, these willshallbe subject toagreement with the local authority through theSection 61 process.

Standard hours on this site are in accordance withthe Royal Borough of Kensington and Chelseasnormal working hours of 8am to 6.30pm Monday toFriday, and 8am to 1.00pm Saturday. Mobilisation isonly permitted from 7:30am to 8am for staff arrivaland briefings, unless otherwise agreed with thecouncil.

Site layout As per text in CoCPPart A.

Site security / hoarding

requirements

The hoarding is to be as defined in CoCPPart A

para. 4.3.4a and b incorporating suitable art workand viewing windows.

River works As per text in CoCPPart A.

Other items A site-specific lighting plan is required. The lightingwillshalladdress the impact on terrestrial and aquaticecology and include the use of low level directionallighting where possible whilst meeting safe workrequirements.

5 Public access, highway and river transportTopic Site-specific requirement

Site access and gates All vehicles willshallaccess/egress site from thewestbound lane, using a left turn in and left turn outarrangement.

Traffic management Site areas willshallbe designed to maintain two-wayflow on traffic on Chelsea Embankment (A3212). Ifrequired a suitable central safety barrier to beinstalled between alternate directional lanes.Minimum lane width of 3.25m subject to agreementwith Transport for London. The existing traffic islanddirectly to the northeast of Bull Ring Gate willshallberemoved.

Access through the Bull Ring entrance for set-up andtake-down of the Chelsea Flower Show andMasterpiece events, and for VIP access, willshallbemaintained during these events. Emergency accessfrom Chelsea Embankment (A3212) willshallbemaintained during the events.

In the Traffic Management Plan the contractor shallconsider alternate construction routes for vehicles in


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excess of 4.4m in height to avoid the heightrestriction on the A3212 Grosvenor Road. This shallbe reviewed with Royal Borough of Kensington andChelsea and TfL during preparation of the plan.

Event restrictions Management arrangements during events in theadjacent area to be confirmed in consultation withthe Local Highway Authority, the Royal HorticulturalSociety, the Royal Hospital Chelsea and Transportfor London.

River transport As per text in CoCPPart A.

Other The diversion of the Thames Path willshallbeadequately signed, and a temporary signalisedpedestrian crossing willshallbe provided between

the foreshore site and the worksite on the eastboundcarriageway of Chelsea Embankment (A3212).

The riverside footway on Chelsea Embankment(A3212) willshallbe reinstated for public use outsideof working hours at weekends.

Arrangements to allow buses to turn right fromA3212 into the bus stop in the Bull ring areawillshallbe maintained, except during landscapingworks in this area, unless agreed otherwise.

The bus stop in the Bull Ring area would be

suspended temporarily only during landscapingworks.

6 Noise and vibration


Control measures As per text in CoCPPart A.

Other As per text in CoCPPart A.

7 Air quality


Vehicle and plant emissions As per text in CoCPPart A.

Dust emissions/control As per text in CoCPPart A.

Odour As per text in CoCPPart A.



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8 Water resources


Control of pollution: surfacewater / groundwater

As per text in CoCPPart A.

Control on abstraction As per text in CoCPPart A.

Ground treatment/ dredging As per text in CoCPPart A.


9 Land quality


Site works As per text in CoCPPart A.

Site-specific issues /mitigation

As per text in CoCPPart A.

10 Waste management and resource use


Excavated material As per text in CoCPPart A.

Energy usage As per text in CoCPPart A.


11 Ecology (aquatic and terrestrial)


Protection of habitats Membrane to be installed between river bed andtemporary back fill material to prevent contamination

of juvenile fish habitat.Areas of foreshore used for temporary workswillshallbe restored to similar condition and materialas was present prior to the works.

Protection of trees Replacement tree planting to be provided for thoselost along Chelsea Embankment. Specification forreplacement trees to be agreed with Transport forLondon and includes species, size, source, pitdesign and finish.

Replacement shrub planting willshallbe provided

where removed as part of works within RanelaghGardens. Retained vegetation willshallbe protected


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during works.


12 Historic environment


Other A proportion of the brickwork of the river wall as wellas all of the granite parapet stones willshallberetained for reinstatement and reuse in accordancewith the procedures set out within the HeritageStatement.

Retain materials and reuse or reinstate where

possible. The railings that form the boundary of theGrade II Registered Ranelagh Gardens willshallbecarefully removed, stored and reinstated.

Protective measures to mitigate potential strikedamage to the Grade II listed Chelsea RoyalHospital Gardens park gates, the boundary of theGrade II Registered Ranelagh Gardens, and theChelsea Embankment river wall.

13 Other


Other Any materials to be used on highway constructionworks on the Transport of London Road network tobe agreed with Transport for London.


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Documents

CoCP Part B Chelsea Embankment Foreshore Track Changes