AEC2 Wootton Lower Drainage (Semilong Services Ltd)

Tender description

Description The Service Provider will provide the following; Demolitions/ Excavations · Floor saw existing tarmac surface; ne 100mm say · Break out ditto; ne 100mm say; inc dispose · Lift existing block paving to path; set aside for reuse · e/o remove shrubs, bushes; including disposal · Excavate to reduce depth; between FW1 - FW11; ne 1500mm say; inc. disposal of excess spoil · e/o to remove existing redundant defective pipework between FW1 - FW11; including disposal · Excavate to reduce depth; between FW3 - FW1; ne 1200mm say; inc. disposal of excess spoil · e/o break out existing manhole FW3, FW1; inc. disposal · Level and compact base of excavations FW Drainage · Supply & lay new UPVC pipes and fittings; lip seal coupling joints; 150mm dia; · Granular fill to pipe surround; depth to invert >1200mm · Concrete fill to pipe surround; depth to invert < 1200mm · e/o to connect into existing FW manhole FW11; utilising existing spigot · e/o to re-connect existing pipework from FW2, FW6, FW7, FW8, FW9, FW10 to new pipe runs · Supply & install new UPVC Inspection Chamber; non man entry chamber; ne 1400mm depth to invert; ne 600mm dia say; D400 Cover & Frame · Granular trench fill to ditto · Level and compact ditto; ne 150mm intervals say Tarmac Works · Blind & Compact surface of hardcore to receive macadam paving/ Block paving Lay new 70mm base course; Dense asphalt concrete; AC14 Dense Bin 100/150 to BS EN13108 Lay new 30mm surface course; 6mm close graded macadam to BS EN 13108-5 · Re-lay block paving, previously set aside Linemarking Works ·Reinstate Thermoplastic linemarkings as required