Providing water supply pipe distribution system at RIMS,Imphal.

Amount

Excavating trenches of required width for pipes, cables, etcincluding excavation for sockets and dressing of sides, ramming ofbottoms, depth upto 1.5 m including getting out the excavatedsoil and then returning the soil as required, in layers not exceeding20 cm in depth including consolidating each deposited layer byramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :

Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering -All work upto plinth level

External work

150mm nominal outer dia Pipes

100mm nominal outer dia Pipes

75mm nominal outer dia Pipes

62.50 mm nominal outer dia Pipes

50 mm nominal outer dia Pipes

40 mm nominal outer dia Pipes

32 mm nominal outer dia Pipes

25 mm nominal outer dia Pipes

20 mm nominal outer dia Pipes

Providing and laying S&S Centrifugally Cast (Spun) / Ductile IronPipes conforming to IS : 8329 :

100 mm dia Ductile Iron Class K-7 pipes

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc.

50 mm dia nominal bore

25 mm dia nominal bore

Providing and aying in position cement concrete of specified grade excluding the cost of centering and shuttering -

All work upto plinth level:

1:1.5:3 ( 1 Cement: 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form for:

Foundations, footings, bases of columns, etc. for mass concrete.

Providing flanged joints to double flanged C.I./ D.I. pipes and specials, including testing of joints :

200 mm diameter pipe

Providing and laying S&S Centrifugally Cast (Spun) / Ductile IronPipes conforming to IS : 8329 :

200 mm dia Ductile Iron Class K-7 pipes

Providing and laying D.I. Specials of Class K - 12 suitable formechanical jointing as per IS : 9523 :

Up to 600 mm dia

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 :

25 to 40 mm nominal bore

50 to 80 mm nominal bore

Providing and fixing uplasticised PVC connection pipe with brass unions :

30 cm length

20 mm nominal bore

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) :

40 mm nominal bore

80 mm nominal bore

Providing and fixing enclosed type water meter (bulk type)conforming to IS :2373 and tested by Municipal Board completewith bolts, nuts, rubber insertions etc. (The tail pieces if requiredwill be paid separately) :

100 mm dia nominal bore

Constructing masonry Chamber 60x60x75 cm inside, in brick workin cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve,with C.I. surface box 100mm top diameter, 160 mm bottomdiameter and 180 mm deep ( inside) with chained lid and RCC topslab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stoneaggregate 20mm nominal size ) , i/c necessary excavation,foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 gradedstone aggregate 40 mm nominal size) and inside plastering withcement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick,finished with a floating coat of neat cement complete as perstandard design :

With Ist class common burnt clay F.P.S. (non modular) bricks

C.I.sluice valve (with caps) class I : 150 mm dia

P/F variable frequency water pump(5 hp) capacity kriloser brand.

M/S SAIKHOM LOKENDRO SINGH

Y.DEVENDRO SINGH