REPAIRS AND CLEANING OF SEWAGE LINE MANHOLES DRAINAGE AT HQNC CP COLONY CAMP HRDC A MESS AND TA GP TA COY NCIB AND AOR OF AGE BRII GE SOUTH UDHAMPUR

Excavation in trenches n.exc. 1.5 m wide and n.exc. 1.5 m in depth for foundation or manholes etc, and area n.exc 10 Sqm on plan and getting out in any type soil complete all as specified.

M&L Concrete bed to drain pipes including packing under, and haunching against the sides of pipes after they are laid and tested in cement concrete type D2 (1:4:8) for 100 mm dia pipe all as specified and as directed.

All as per Srl item No 2 above but 150mm dia drain pipe all as specified and as directed

All as per Srl item No 2 above but 200 mm dia drain pipe all as specified and as directed.

M&L for SGSW drain pipe grade 'A' of 100 mm internal dia laid in trenches and jointed in cement mortar (1:1) complete all as specified.

All as per Srl item No 5 above but 150mm dia all as directed.

All as per Srl item No 5 above but 200mm dia all as directed.

Returning, filling in with approved soil obtained from excavation including spreading levelling, watering and well ramming in layers n.exc. 25cm thick all as specified and as directed.

Removing excavated soil to a distance n exc 50m and depositing where directed at a level not exc1.50m above the starting point complete all as directed.

Cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-1 smooth finished, and reforming benching as required for 100 mm dia SWG pipe all as specified and as directed.