Installation of submersible pump at the Control Room of FBP on the right bank upstream of river Ganga near bay no. 1 of main Farakka Barrage.

Amount

Labour for boring tube well of required dia. by water jet system through any type of soil strata including hire and labour charges for boring pipes, scaffolding, tools and plants as necessary and taking out them and lowering pipes, strainers, blind pipe etc. and fitting and fixing the same complete including bucket washing and other incidental works in the connection. The tube well should have a minimum 50 mm gap in between the outside of the tube well pipe and the bore.

For depth up to 150 metre. (ii) 50 mm dia.

For depth up to 150 metre for 50 mm dia. tube well with top enlargement of 100 mm dia. - 100 mm. Dia.

For depth up to 150 metre for 80 mm dia. tube well with top enlargement of 150 mm dia. 150mm. Dia.

Supplying brass-strainer with brass socket of approved make. (Heavy type) 100 mm. Dia.

Supplying, fitting and fixing in position G.I. pipes of TATA make for underground works with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbow, nipple, short piece etc. including cost of all materials, jointing materials, cutting pipes, making threads, cutting trenches up to 1.5 metre below surface in all sorts of soil and refilling the same as directed with two coats of painting on G.I. pipes and specials with bituminous paint complete in all respect.

32 mm dia medium quality

100 mm. dia medium quality

150 mm. Dia. Medium quality

Supply, fitting and fixing steel cutter piece up to 450 mm long with socket – 75 mm dia

Supplying fitting fixing plug of approved make confirming to I.S. specification - 75 mm dia.

Supplying fitting fixing G.I. cap at top. 150 mm.

Washing and developing tube well with air compressor pump and Engine for 8 hours contentions pumping per day with necessary arrangement for testing the yield in gallons per hour with V notch including hire and labour charges for all tools and plants and scaffolding as required.

Packing the annular space between the outside of the tube well pipes and strainers and the bore with 'pea' size wagheed gravel of approved quality having size from 2mm. To 5mm or the size approved by the Engineer-in-charge including cost of all materials labour and equipment complete.

Supply, installation and commissioning 2.2 kilo Watt, Single Phase,240 ±10%Volts,50Hz, 32 mm delivery submersible pump set (Kirloskar or equivalent) including all ISI mark necessary accessories, auto cut voltage stabilizer, control panel box, Havel or equivalent make main switch etc.

Providing and fixing white vitreous china flat back or wall corner type lipped front urinal basin of 430x260x350 mm and 340x410x265 mm sizes respectively with automatic flushing cistern with standard flush pipe and C.P. brass spreaders with brass unions and G.I clamps complete, including painting of fittings and brackets, cutting and making good the walls and floors wherever required: One urinal basin with 5 litre white P.V.C. automatic flushing cistern.

Providing and fixing controlled flush, low level cistern made of vitreous china with all fittings complete.10 litre (full flush) capacity-white.

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

M/S ANJAN KUMAR GHOSH

M/S LEFT BANK CONSTRUCTION

SACHIN PAL

SWADHIN CHOWDHURY