 Adequate wall shoring or sheet piling on all sides of the excavation to prevent collapse of soil;


 Sufficient space to facilitate cable jointing process;  Safe access and egress including provision of steps;  Generator with lighting;  De-watering pump;


 Temporary Heras security fencing around the site to prevent unauthorised access;


 Up to 300m2 for laydown area; and  Jointing pit floor up to 150mm thick.


408. There is no requirement for permanent hard standing to support excavators and pulling gear for plant for construction of jointing.


409. The quantity of excavated material would be approximately 65m3 per jointing pit. Half of this material is likely to be reused as backfill materials with the excess disposed of offsite. The jointing pit would also contain bedding sand. If a permanent manhole access is to be constructed, then, blockwork walls and cover slab would also be required.


410. The estimated duration of the works is three to four weeks per jointing pit with simultaneous operations along the route.


5.6.5.3 Temporary Works: Construction Consolidation Sites 411. Construction Consolidation Sites (CCS) would be required along the onshore cable route, in order to facilitate access to the route, allow storage of materials and accommodate site offices. Both primary and secondary sites would be required. The CCS sites are as follows:


 Bramford (Secondary CCS A)  Paper Mill Lane (Primary CSS B)  B1077 Witnesham Road (Secondary CCS C)  Playford (Secondary CCS D)  Top Street (Primary CCS E)


Preliminary Environmental Information May 2014


East Anglia THREE Offshore Windfarm


Chapter 5 Description of the Development Page 86


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