Laying and Fitting of Pipes Provided by R AND B Department for Commissioning of WSS Migrant Colony Zewan

Earth work in excavation by mechanical means (hydraulic excavator) in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed, within a lead of 50 metres: All kinds of soil :

Dismantling G.I. pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/by mechanical means including stacking of pipes within 50 meters lead as per direction of Engineer-in-charge : i. 15 mm to 40 mm nominal bore.

ii. Above 40 mm nominal bore

Dismantling C.I. / D.I pipes manually/ by mechanical means breaking lead caulked joints, melting of lead and making into blocks including stacking of pipes and lead at site within 50 meter lead as per direction of Engineer in-charge. Including excavation and refilling trenches after taking out the pipes. (Upto 150 mm diameter.)

Laying and fitting of G.I. pipes (all classes) complete excluding cost of pipes, fittings and Earth work. i. 20 mm dia. nominal bore.

ii. 25 mm dia. nominal bore.

iii. 40 mm nominal bore (50m old)

iv. 50 mm dia. nominal bore (50m old)

v. 65 mm nominal bore (50m old)

vi. 80 mm dia. G.I. pipes (50m old)

Laying in position centrifugally cast (spun) iron S&S or flanged pipes (excluding cost of pipe). i. 100mm dia (K7)

Providing push-on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and including the cost of rubber gasket. (100 mm dia pipes).

Providing & fixing of MS fittings with bends Tees of suitable degrees/sizes to be fabricated of MS plate as per requirement at site the item also includes cost of lead, spun yarn, Cutting of pipes, weding, providing of MS Flanges with nuts bolts & washers complete Job.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead upto 50 m and lift upto 1.5 m.

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing Tee, including cutting and threading the pipe etc. complete i. 25 to 40 mm nominal bore

ii. 50 to 80 mm nominal bore