Repair / Maint of external water supply at Dholewal, CG Complex and Doraha under GE Ludhiana.

Amount

Excavation in trenches n.exc. 1.5 m wide and not exc. 1.5 m in depth in soft/loose soil for taking out old rusted water pipe line all as specified and directed by engr in charge.

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

Removal of surplus soil/material to a distance of n.exc. 50 m and depositing where directed at a level not exc. 1.5 m above the starting point complete all as specified.

Disconnecting andTaking up old existing GI water pipe line and connections of any description/grade and in any position in trenches/under floors/on walls etc including connected fitting/accessories and fixtures such as bends, union,, elbow socket etc all as directed and specified for the following sizes

Ditto but 20mm dia

Ditto but 25 mm.

Ditto but 40 mm.

Ditto but 50 mm.

Refixing old steel tubing and connections in old position (wall, ceiling, floor etc) of following size.

Ditto but 20mm dia

Ditto but 25 mm.

Ditto but 40 mm.

Ditto but 50 mm.

Supply, laying jointing and testing in trenches/ on wall/floor galvanised iron water tubing medium grade including provison of all necessary steel fittings such as sockets, unions, elbow, etc. accessaries complete all as specfified and directed for the following sizes Make:- Jindal, TATA, OSWAL,Prakesh tubes, Tirupati

Ditto but 20mm

Ditto but 25 mm.

Ditto but 40mm

Ditto but 50mm.

Cutting existing steel tubing for alteration or additions of galvanise pipe line of following size complete all as specified and directed for the following sizes

Ditto but 20 mm.

Ditto but 25mm.

Ditto but 40 mm.

Ditto but 50mm.

Supply,fixing , jointing and testing, ISI marked of approved quality gun metal globe/gate valve with iron wheel head, both ends screwed for iron pipe complete all as specified and directed for following bore of pipes Make:- Kirloskar , Leader, Zoloto, L &T, NETA metal

Ditto but 20 mm.

Ditto but 25mm.

Ditto but 40 mm.

Ditto but 50mm.

Taking up /down Cast Iron water main including all fittings with spigot and socket ends and lead joints including burning out joints and recovering lead of following sizes of pipes complete all as specfied and directed

Ditto but 150 mm.

Ditto but 100mm.

Ditto but 80 mm.

Supply and laying ,in trenches CI pipe line 150 mm bore spigot and socket ends centrifugally cast class LA.( Note- Earthwork,, excavation,lead joint will be measured and paid separately under relevant items )

All as per item No.10 above but of size 100 mm dia.

All as per item No. 10 above but of size 80 mm dia.

Supply and laying only in trenches spigot and socketed cast iron pipes of any description/grade and in any postion as obtained from taking up or down after making necessry addtion/alternation and properly cleaning the pipes complete all as specfied and directed

Ditto but 150 mm.

Ditto but 100mm.

Ditto but 80 mm.

Cutting cast iron pipes and reducing to required length before laying of following sizes of pipes complete all as specified and directed .

Ditto but 150 mm.

Ditto but 100mm.

Ditto but 80 mm.

Drilling and tapping cast iron water mains in position for branch connections of the internal dia of follwing size complete all as specified and directed

15mm bore.

20mm bore

M&L for repairs to leakage of run lead joints/lead wool joints including caulking properly with using old retrieved lead from taking up or down pipes but using new lead for the following sizes of CI pipes/fittings etc all as specified and directed(Excavation of Earth work shall be measured and paid seperately)

Ditto but 150 mm.

Ditto but 100mm.

Ditto but 80 mm.

M&L for Bends cast iron any radius,angle, tapper any size, tee pieces, connected pieces collar, caps plug etc upto 150 mm bore flanged/spigot/socketed complete all as specified including taking out the defective one form the trenches or ground (joints and earth work to be measured and paid separately).

M&L for rubber gasket joint for pipe line 80 mm bore.

-ditto- but 150 mm bore.

-ditto- but 100 mm bore.

M&L for providing MS sheet size of cover (1x1 Mtr length and breadth) 3.0mm thick for sluice valve pit cover and frame fabricated out of 50x50x3 mm and 40x40x5 mm thick angle iron including MS hinges, handles & locking arrangement and grouting the angle iron in PCC. MS work to be painted with two coat of synthetic enamel paint over two coat of red oxide all as directed.

S&F in replacement cast iron sluice valve 150 mm dia PN-1.6 of both ends flanged and drilled holes complete with steel metal spindle and nuts and bolts comforming to IS-14846 Make:- Kirloskar , Leader, Zoloto, L &T, NETA metal

-ditto- but 100 mm bore.

-ditto- but 80 mm bore.

Supply and replace air release valve cast iron double air valve 80 mm bore.Make:- Kirloskar , Leader, Zoloto, L &T, NETA metal

Supply and fixing of non return valve 150 mm dia bore Make:- Kirloskar , Leader, Zoloto, L &T, NETA metal

Demolition Brickwork or stone/boulder masonry, built in cement mortar of any description and at any situation as ordered, Removing materials from site.

M & L for brick work with sub class 'B' bricks, straight or curved on plan exc 6m mean radius and built in cement morter 1:4 as in repair/raising /making of valve pit chamber.

M&L fr Rendering 15mm thick plaster on fair faces of brick work or concrete surfaces with CM 1:4.

M & L for cement concrete 1 : 2 :4 type C2 using 40mm stone aggregate, as in repairs to RCC pipe line/ Valve pits / disturbed hard standing or any other repair as required at site at any situation all as specified as directed.

Dismantling wrought iron or mild steel work of any description damaged/ broken MS valve pit cover(frame with sheet) , ladder of water reservior, strainer of foot valve etc.

Supply, febricate and fixing MS framed grills,gratings, framed guard bars,ladder, framework of Valve pit cover, water tanks etc, or similar work as ordered and febricated from MS rolled section of any size and shape as directed and fixed at position with all fixing accessories complete. (Fixing of MS sheet where required shall be measured and paid seperately)

M & L for MS plate /sheet plain or chequered, 3.00 mm thick cut to pieces as required and fixed to MS frame work by means of Electric arc/gas welding all as directed and specified.

M & L for Preparation old painted metal surfaces of any description, over 10cm in width or girth and applying one coat of synthetic enamel paint.of approved tint.

M & L for Preparation of new metal surfaces of any description, over 10cm in width or girth and applying two coat of synthetic enamel paint over a coat of red oxide.

Supply and fixing calcium hypochlorite having 60% to 70% available chlorine must contain appropriate quantities of dispersants/corroson inhibitor to prevent encrustation/scaling in distribution system note contractor supplier must submit govt lab test report of calcium hypochlorite alonbgwith each delivery packed in 45 KG plastic drum complete all as specified and directed by engr in charge Make:- Purichlor of Sree Ryala seema/ Declibac Technologies

Cleaning and removing all scale and dirt etc form OH tank and from mouth of circulation pipe etc of RACK overhead reservoirs of capacity 50,000 gallons at the staging height exceeding 15 Mtr and not exc. 21.5 mtr

Cleaning , grass cutting and removing of dust, raw materials of sourrounding area of installation/overhead tank, panels complete all as specified and directed

Supply and fix mechanical split coller joint including follower gland, gaskets,nuts and bolts for MJ ends of size 150 mm for repairs to CI / DI pipeline damaged during breakdown all as specified and directed Make:- Jiffy or equivalent

Supply and fix mechanical split coller joint including follower gland, gaskets,nuts and bolts for MJ ends of size 100 mm for repairs to CI / DI pipeline damaged during breakdown all as specified and directed Make:- Jiffy or equivalent

Supply and fix mechanical split coller joint including follower gland, gaskets,nuts and bolts for MJ ends of size 80 mm for repairs to CI / DI pipeline damaged during breakdown all as specified and directed Make:- Jiffy or equivalent

Testing potability of water by chemical analysis as per IS- 10500 such as PH value, dissolved solids, hardness as CaCO3, calcium, magnesium, chlorides, sulphates, nitrate, alkalinity, iron, turbidity NTU, mineral oil, colour hazen units, taste, odour, residual free chlorine, total coliform per 100ml (microbiological test) & E coli per 100ml (microbiological test) as well as bacteriological portability from any Govt. Laboratory or any NABL accrediated Lab complete all as specified & directed.

R K ENTERPRISES