SPECIAL REPAIR REPLACEMENT OF OLD GI CI PIPES AND FILTRATIONPLANT IN OMQ AT AF STATION DEOLALI

Amount

Excavation in trenches not exc. 1.5 mtr wide and not exc 1.5 mtr depth in any type of soil (soft/loose/hard/dense soil) for laying / taiking up/ taking down of water pipes of any size and type including levelling of bottom surface to required level all as specified and directed by Engineer-in-Charge

All as per item No- 1 above but in hard/dense soill.

Returning filling in trenches including spreading, levelling, watering and well ramming soil in layers not exceeding 25 cm thick all as specified and directed.

Removing excavated material from site to a distance n. exc. 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr avove the starting point all as specified and directed by Engineer-in-Charge.

Taking up or down galvanised steel tubing and connections including cleaning for refixing or removal for 15mm bore

All as per item no- 5 but 20mm bore

All as per item no- 5 but 25mm bore

All as per item no- 5 but 40mm bore

All as per item no- 5 but 50mm bore

Supply and lay galvanised steel water tubing medium grade including all fittings such as bends, elbows, tees, reducers, sockets, union etc and laid in trenches complete all as specified and drected of the 15mm bore Note :- Excavation & earthwork will be measured & paid sperately

All as per item no- 10 but 20mm bore

All as per item no- 10 but 25mm bore

All as per item no- 10 but 40mm bore

All as per item no- 10 but 50mm bore

Supply and fix galvanised steel water tubing medium grade including all fittings such as bends, elbows, tees, reducers, sockets, union etc and laid in floor fixed on wall and ceiling complete all as specified and drected for 15mm bore

All as per item no- 15 but 20mm bore

All as per item no- 15 but 25mm bore

Taking up cast iron water main (including all fittings, with spigot, and socket ends and lead joints including burning out joints and recovering lead for 80 mm bore of pipe

All as per item no- 18 but 100 mm bore of pipe

All as per item no- 18 but 150 mm bore of pipe

Supply, laying, jointing and testing cast iron pipes with spigot and socket ends cetrifugally cast class LA in any length, suitable for tyton joint, laid in trenches for the following sizes of pipes all as specigied and directed for 80 mm bore of pipe 80 mm bore of pipe 80 mm bore of pipe

All as per item no- 21 but 100 mm bore of pipe

All as per item no- 21 but 150 mm bore of pipe

Supply,laying, jointing and testing Ductile iron (DI) pipes with spigot and socket ends cetrifugally cast class K 9 in any length, and including suitable tyton joint, laid in trenches & walls as per site requirment for 80 mm bore of pipes all as specigied and directed:- Note : Rates are included for rubber gaskets for jointing DI pipe .

All as per item no- 24 but 100 mm bore of pipe

All as per item no- 24 but 150 mm bore of pipe

M&L for jointing cast iron/DI pipe spigot and socket and fittings with run lead joint joint complete all as specified and directed by Engr-in-charge for 80 mm bore of pipe

All as per item no- 27 but 100 mm bore of pipe

All as per item no- 27 but 150 mm bore of pipe

All as per item no- 27 but 250 mm bore of pipe

M&L for Bends (any type, radius and angle) tappers any type,(straight, bend, increasing, decreasing, or double socket etc). Tee pieces, single branch, Y junction double branch, cross (all socket or socket and spigot) collars, caps, caps, and plugs) upto 150 mm bore of pipe .

Supply and Fix Gun metal gate valve, ISI marked, with iron wheel head screwed both ends for iron pipe, fixed in repairs complete of the for 15mm bore

All as per item no- 32 but 20mm bore

All as per item no- 32 but 25mm bore

All as per item no- 32 but 40mm bore

All as per item no- 32 but 50mm bore

S&F in repair Sluice valve with flanged ends cast iron body flanged and drilled for sizes as per IS- 14846 hand wheel operated, stainless steel stem with gun metal parts including all joints with rubber for fibre board bolts nuts and washers, also including the necessary pre-drilled flange according to site condition for adjustment in existing pipes to fit the sluice valve tightly with stainless steel wedge nut and gun metal spindle class PN 1.6 with operating wheel complete 80mm dia.

S&F in repair Sluice valve with flanged ends cast iron body flanged and drilled for sizes as per IS- 14846 including all joints with rubber for fibre board bolts nuts and washers, also including the necessary pre-drilled flange according to site condition for adjustment in existing pipes to fit the sluice valve tightly with stainless steel wedge nut and gun metal spindle class PN 1.6 with operating wheel complete 100mm dia.

S&F in repair Sluice valve with flanged ends cast iron body flanged and drilled for sizes as per IS- 14846 including all joints with rubber for fibre board bolts nuts and washers, also including the necessary pre-drilled flange according to site condition for adjustment in existing pipes to fit the sluice valve tightly with stainless steel wedge nut and gun metal spindle class PN 1.6 with operating wheel complete 150mm dia at any height in a vertical position on main raising pipe line at top of RCC OH Reservoir stagging 60 feet height complete including with providing a scaffolding on top at RCC OH tank as prevention to human safety complete as all directed .

S&F in repair Sluice valve with flanged ends cast iron body flanged and drilled for sizes as including all joints with rubber for fibre board bolts nuts and washers, also including the necessary pre-drilled flange according to site condition for adjustment in existing pipes to fit the sluice valve tightly with stainless steel wedge nut and gun metal spindle class PN 1.6 with operating wheel complete 250 mm dia.

S&F in repair Cast iron Air Valves with two air Outlets, 150mm dia bore and fixing up in cast iron water supply mains.

M&L for Dismantling the old damaged valve chamber complete and removing the debries of demolished material to a distance not exc 50 mtr for disposal, cleaning the site and Construction of valve chamber of size 1200mm x 1200mm x1200mm internal dimensions complete of brick masonry of 23cm thick in cement mortar 1:6 on PCC 1:4:8 fountation 75 mm thick using 40 mm graded stone aggregate, coping in concrete 1:3:6 for 10 cm thick at the top of brick wall using 20 mm graded stone aggregate and 10 mm thick plastering in 1:4 cement mortar on exposed MS cover of 3.15 mm thickness including 40mm x40mm x6mm angle iron frame fixed with the same size of angle iron hold fast, handle with locking arrangement, two coats of synthetic enamel paint over coat of red oxide primer on steel surfaces and two coat of white wash on the plasterd / concrete surfaces. complete all as specified and directed.

All as per item No. 42 but for size 600 x 600 x 600.

Drilling and tapping cast iron water mains (in position) for branch connections of the internal dia 15 mm

Drilling and tapping cast iron water mains (in position) for branch connections of the internal dia 20 mm

M & L for mechanical joints CI/DI of dia 80 mm complete all as specified & as directed by Engineer-in-charge.

M & L for mechanical joints CI/DI of dia 100 mm complete all as specified & as directed by Engineer-in-charge.

M & L for mechanical joints for CI/DI pipe of dia 150mm complete all as specified & as directed by Engineer-in-charge.

M & L for mechanical joints CI/DI of dia 250mm complete all as specified & as directed by Engineer-in-charge.

Taking out existing nozzles from filter bed all as direted by the Engineer- in Charge

Taking out filter media of all sizes i.e gravels/ sand from esixting water filter bed and removing unserviceable material from site of work.

M & L for filling of filter media in filter beds in layers as directed by the Engineer- in-Charge for sizes of Pebbles grade 2 ( 15 mm to 25 mm ) (2-4 mesh) 100 mm thick

All as per item no-52 above but Pebbles grade 23( 5 mm to 15 mm ) (4-10 mesh) 100 mm thick

All as per item no-52 above but Coarse sand grade 4 (3 mm to 6 mm) (10-20 mesh) 150 mm thick

All as per item no-52 above but Fine sand grade 6 ( 2mm to 3mm) ( 20 - 30 mesh) 750 mm thick

S&F brass nozzels with perforated cap for fixing to pipe in 15 mm dia hole including threading/ rethreading and testing all as specified.

Refixing of brass nozzels in same position obtained from item No 50 after cleaning the same by air pressure to remove mud/ sand particles.

Refilling of filter media any size as per site requirment obtained from item No 51 after proper washing and making good up to desired level all as specified and directed by Engr in charge.

MAHIMA CONSTRUCTION

M/s.NIKI ENTERPRISES