Project: Knowls Lane Retaining Wall Oldham
Client: Oldham Metropolitan Borough Council
The contract involved a ground works package,
which included bulk excavations, deep drainage,
concrete works, waterproofing and backfilling to
The schemes involved the following work elements:
Phase 1 incorporated the road closure and bulk
earthworks to widen the lane to accommodate the extra
carriageway width and footpath. Batter stabilisation was
put in place to provide a safe working environment.
The reinforced concrete retaining wall was then cast in
stepped sequences to accommodate the new retained
heights. After placing back of wall drainage backfilling
operations were carried out to the appropriate levels.
The concrete retaining wall was then clad in imported
and reclaimed stone.
Phase 2 incorporated the installation of the carriageway
drainage and service ducts. On completion of the
carriageway drainage the road formation was excavated
and filled with compacted sub base, ready to receive
the bitmac. Environ kerbs were the preferred kerbing
system throughout the project. Bitmac was laid to the
carriageway and footpaths with white lining completing
Phase 3 incorporated the regrading of the farmer’s field
and site compound. The opening of the new section of
carriageway and footpath allowed the removal of the
pedestrian diversion and traffic management.