PROVN OF WATER PIPE LINE FROM GANAPATI ENCLAVE TO C COY OF I TRG BN OF ASC NORTH 1 ATC UNDER GE CENTRAL BANGALORE

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation , laying of pipe line etc and getting out in Soft / loose soil complete all as specified and directed.

Returning filling in trenches including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick in soft rock complete all as specified and directed

Removing excavated surplus soil to a distance not exceeding 50 mts and depositing where directed .at a level not exceeding 1.5 M above the starting point complete all as directed.

Supply, laying, joint, testing and commissioning of DI pipes 100 mm bore Centrifugally cast, laid in excavated trenches with internal cement mortar lining, external metalic zinc coating with finishing layer of black bitumen, pressure pipe spigot & socket with bolts & nuts & gaskets of suitable size , confirming to IS 8329-2000 with ISI marked K-7 in standard length including any type of specials as required / ordered such as bends, Tapers, Tee pieces (single & double branch) any type and angle / radius and straight connecting pieces etc & necessary ethylene propylene diene monomer (EPDM) rubber gasket, tyton jointings, jointing materials complete all as specified. Make-Jindal, Electro Therm , Electro steel (Note : (i) Excavation & earth work measured & paid seperately . (ii) Quoted rate is deemed to be inclusive of site cleareance before excavation for laying of pipe in case of any shurbs / herbs / plants etc found in the alingment for laying pipe line . (iii) Quoted rate is deemend to be inclusive of any types of DI specials as required / ordered & Gaskets).

M & L for 50 mm bore GI water tubing medium grade (ISI marked) with fittings such as bends, tees, elbows, nipples, unions, short pieces etc laid in trenches making necessary connection and testing on completion all as specified and directed..

All same as per item No 05 here-in-above but 40 mm bore of pipe -do-

All same as per item No 05 here-in-above but 25 mm bore of pipe -do-

S&F Gun metal globe or gate valves with iron wheel head screwed box and both ends for iron pipe for 50 mm bore of pipe or union complete all as directed

S&F Gun metal globe or gate valves with iron wheel head screwed box and both ends for iron pipe for 40 mm bore of pipe or union complete all as directed

S&F Gun metal globe or gate valves with iron wheel head screwed box and both ends for iron pipe for 25 mm bore of pipe or union complete all as directed

S & F for cast iron heavy duty sluice valve 100 mm szie (class PN - 1.6 conforming to IS-780 (ISI Marked) with both ends flanged any pattern with brass spindle, GI cap, iron wheel head , rubber gasket of suitable size as ordred fixed with suitable size nuts & bolts , washers etc including testing on completion complete all as specified and directed .

S&F for Air release valve double headed including all fittings suitable for 100 mm bore ISI mark and fixed in position with rubber gasket joints, bolts nuts and washers etc all as specified and as directed.

Construction of valve chamber of size 600mm x 600mm x 900mm internal dimension including necessary earth work excavation with earth work on any type of soil, PCC 1:3:6, type C2 as in foundation, brick work in CM 1:4, 15 mm thick plaster in CM 1:4 internally and externally, flush pointed in same mortar as work proceeds, 75 mm thick PCC coping all round PCC 1:2:4 tyype B1 (using 20 mm aggregate), flooring shall be 40 mm thick PCC 1:2:4 type B1 (using 20mm aggregate) laid over 75 mm thick hard core. Top cover shall be made out of MS sheet 3.00 mm thick fixed in angle iron frame made out of angle iron size 40x40x6 mm with two number of hinges on one side and locking arrangement at other side complete including painting with two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified.

PRANATHI DEVELOPERS (BID ID -3258926)

Srinivas G Civil Contractor (BID ID -3259531)

Elite Constructions (BID ID -3259445)

PRAGATHI BUILDERS (BID ID -3258650)

M Mohan Babu (BID ID -3259577)

Harish Constructions (BID ID -3259210)

GKR and CO (BID ID -3258967)