Table of Contents
Advertisement
•
Continue filling the chamber with clean water whilst evenly backfilling in stages, maximum 1000mm
each stage, ensuring the water level is 50mm below the level of the concrete backfill, repeating
process until the concrete is approximately 300mm from the top of the chamber
•
Connect up the site pipework to the inlet and outlet of the pumpwell, and draw the pump and float
cables through the conduit to the control panel before they are encased in concrete
•
Under no circumstances should concrete be poured directly onto the chamber. Attempting to pour
too much concrete at once will result in the chamber 'floating' or particularly above the halfway
point damage to the chamber due to excessive weight on the chamber body for which the
manufacturers will not be responsible
•
Finish off the surface of the concrete at the required level, depending on the final ground cover
required i.e. topsoil, tarmac, gravel etc. (see sketch below). If the access cover or the surrounding
area is likely to be subject to other than purely pedestrian traffic, provision must be made to ensure
that no weight loading is taken by the chamber i.e. by the construction of a cover slab, and the
appropriately specified access cover must be used.
LOCAL CONCRETE BED AND
SURROUND TO ACCESS COVER FRAME
PLEASE ALLOW THE CONCRETE BACKFILL TO SET BEFORE PUMPING
THE WATER FROM THE PUMP CHAMBER
© Automated Environmental Systems Ltd. February 2022
ACCESS COVER
FINISHED GROUND LEVEL
Advertisement
Table of Contents
