Replacement and Realignment of Dilapidated MSERW Pipeline 300 mm Dia NB Ghat Rising Main under Ghat Pumping Water Supply Scheme

Excavation of earth below G.L complete depth upto 1.50 m below G.L, by manually or by mechanical means for laying of pipe of 323.90 mm OD and 219.10 mm OD, MSERW pipe in soil mixed with single boulder, including extra excavation below inverts, trimming & dressing of sides,levelling and back filling after placing of pipes of trenches by excavated earth in 20 cm layers,watering and ramming the same including removal of surplus earth or other dismentilled material upto a distance of 50 mtrs. from the center of trenches and cleaning of site properly after completion of work.Excavation by mechanical means shall be restricted upto 90 cms above invert levels at eavery point of excavation. Excavation from invert levels to 90 cms above shall be done by manually only.

Dismantling of existing structures at the alingment towards laying of pipes like culverts,small bridges,retaining walls and other structure comprising of masonary,cement concrete,woodwork,steel work including T&P and scaffolding wherever necessary,sorting the dismentilled materials,disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 meters as per technical specifications clause 202 by manual means.

Providing all T&P ,labours Lowering of MSERW pipe of given sizes 323.90 mm OD thickness 6.4 mm into the trenches with true alingment, Laying of Pipes grade YST 210, confirming to IS:1978-1982, jointing by electric welding process with proper grade of electrods suitable for jointing of water supply pipe lines (Ador,L&T or equivalent electrodes) by cutting of pipes and making required bends by welding,completion of work with testing of pipe line in water supply etc. complete

Providing all T&P ,labours Lowering of MSERW pipe of given sizes 219.10 mm OD,thickness 6.4 mm into the trenches with true alingment, Laying of Pipes grade YST 210, confirming to IS:1978-1982, jointing by electric welding process with proper grade of electrods suitable for jointing of water supply pipe lines (Ador,L&T or equivalent electrodes) by cutting of pipes and making required bends by welding,completion of work with testing of pipe line in water supply etc. complete

Supply all materials,labour ,T&P etc. and Construction of Air valve chamber of inner Size 1.0MX1.0MX1.0M with with RCC ,MH cover of heavy sheet with locking arrangment,supply and fixing of washout pipe and proper dranige in side the chamber filled 20mm size gravelup to 100 mm thickness in bottom complete in all as direct by Engineer in charge.

Providing all types of material,labour,T&P and placing of Plain/Reinforcement concrete in substructure in open foundations ,bottom of walls, pillars complete, as per PCC grade M20(1:2:4 hand mix) as techinical specifications clause 802,803,1202 & 1203.complete in all respects as direct by Engineer in charge at site .

Providing all types of material,labour,T&P and placing of Reinforcement concrete in superstructure complete, as per grade M25 as techinical specifications clause 800,1205.40 & 1205.50.complete in all respects as direct by Engineer in charge at site .

Supplying, straightening, cutting, bending and placing in proper position and binding of TMT Fe-500 D Steel for R.C.C. work all complete in all respects as direct by Engineer in charge at site .

Cartage of MSERW pipes of 323.90 mm OD from Divisonal store to site of work by mechanical /mannual means inbetween Ghat Pumping station to Matela Pumping station for fixing them in proper alingment as direct by Engineer in charge.

Cartage of MSERW pipes of 323.90 mm OD from Divisonal store to site of work by mechanical /mannual means inbetween Matela Pumping station to Gurna Pumping station for fixing them in proper alingment as direct by Engineer in charge.