Strengthening of Ghalna (Ghalna) Water Supply Scheme in Bhimtal, Nainital

Amount

Construction of R.C.C. Cross wall Gadhera tapping arrangement per running meter length excess over 4 meter gadhera including supply of all materials,labour, T&P etc. complete.

Construction of Boulder filled gallery -4m including Intake Chambr supply of all materials,labour, T&P etc. complete.

Construction of R.C.C. roughening filter cum screening chamber including supply of all materials,labour, T&P etc. complete.

Construction of B.P.T Chamber Size 1mx1m Including Supply of all material Labour T&P etcComplete

Providing of all materials, carting from site store to site of work, laying & jointing of G.I. screwed pipes (including supply of all jointing materials like specials, white lead, hemp and oil etc.) in trenches with its cutting, threading and testing of pipe line etc complete.

15mm dia

20mm dia

25mm dia

32mm dia

40mm dia

50mm dia

Excavation of earth for pipe line in following strata lift upto 1.5m. Lead upto 30m. Including refilling,watering,ramming of excavated earth into the trenches and removal of surplus earth upto adistance of 60m. Fromtrenches including supply of labour,T&P.etc complete.Assuming that 90%pipe line is laid in trenches ,it is estimated that 75% exavation will be in soil mixed with shingle,bajri&boulders and rest 25%will be in soft rock

Soil mixed with boulder and bajri

Medium rock

G.M. Gate Valve IS 778 Class - I

20mm dia

25mm dia

32mm dia

40mm dia

50mm dia

15mm (T.P.-10 kg/Sqcm)

20mm (T.P.-10 kg/Sqcm)

Supply of all materials, labours, T&P etc and construct gate valve chamber (0.60x0.60x 0.75)as per type design complete.

Supply of all materials, labours, T&P etc and construct air valve chamber(0.90x0.90x 1.0) as per type design complete.

Providing of RR 1:6 Stone Masonry

Providing of RR Dry Stone Masonry

Supply of all materials, labour, T&P etc and construction of R.C.C. Sump / CWR of following capacities (KL) with M.S. ladder outside & inside of the tank, M.S.M.H. cover with locking arrangement, supply and fixing of chlorinator, cowl,outlet, over flow and wash out pipes with necessary sluice valves, pipe pieces (including cost of materials) flooring 0.60 M wide apron, painting with approved water proofing (apex) / enamal paint, testing, filling water for testing purpose etc. including supply of vertical pipes and specials, assuming bearing capacity as 8MT/M2 .

supply of FRP coated MS bucket type chlorinator of 25 ltr capacity with chlorination arrangements

P/FAMR Compatiable Class-B Water meter as per 779-1994 or ISO 4064-2005,inferential type multijet and etc.

Supply of all materials,labours ,T.&P. etc. and making ferrule connection to provide FHTC to the consumers under JJM complete (assuming average 20.00m length for a single connection) (As per house hold survey)

GANGA SINGH