REPAIR AND MAINTENANCE OF EXTERNAL WATER SUPPLY NETWORK IN AREA NO 02 OF AGE E/M (W) UNDER GE (W) JABALPUR

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan area and getting out in Soft / Loose soil, complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick of excavated soil complete all as specified and as directed. Note: A deduction of 10% shall be made from total computed volume of filling to cater in bulk irrespective of machinery used for ramming.

Removing excavated soils not exc 50m and depositing where directed at level not exc 1.5m above the starting point complete all as specified and as directed.

Taking down or taking up steel water tubing, galvanised from trenches/walls/floors including all fittings, segregatting and stacking the serviceable pipes and fittings properly at site for re-use all as specified and as directed for following bore of pipe. Note : Excavation and earth work shall be measured and paid under relevant item of schedule separately.

(a) 20mm dia

(b) 25mm dia

(c) 40/50mm dia

(d) 80/100mm dia

Re-laying/refixing only old serviceable steel water tubing, galvanised and connections in new or old situation / allignment including all new fittings (on Walls, floors and trenches etc, ) of pipe as recovered under item Ser No.4 ( a ) to 4 (d) above including de-scaling /cleaning of pipe (internally and externally) cutting and threading of tubing ends all as specified and directed. of following size :-

(a) Refixing old serviceable steel tubing and connections in new or old position (walls, ceilings, floors etc.) for 20mm bore of pipe complete all as specified and as directed.

(b) Refixing old serviceable steel tubing and connections in new or old position (walls, ceilings, floors etc.) for 25mm bore of pipe complete all as specified and as directed.

(c) Refixing old serviceable steel tubing and connections in new or old position (walls, ceilings, floors etc.) for 40mm bore of pipe complete all as specified and as directed.

(d) Refixing old serviceable steel tubing and connections in new or old position (walls, ceilings, floors etc.) for 50mm bore of pipe complete all as specified and as directed.

(e) Refixing old serviceable steel tubing and connections in new or old position (walls, ceilings, floors etc.) for 80mm bore of pipe complete all as specified and as directed.

(f) Refixing old serviceable steel tubing and connections in new or old position (walls, ceilings, floors etc.) for 100mm bore of pipe complete all as specified and as directed.

S & F steel water tubing galvanised, medium grade with all fittings and fixed complete to walls , or in floors, in old/new situation for bore of pipe following sizes: -

(a) 20mm dia

(b) 25mm dia

(c) 50mm dia

Ditto all as per Srl Item No 16 above but laid in trenches of following bore of pipe : -.

(a) 20mm dia

(b) 25mm dia

(c) 40mm dia

(d) 50mm dia

(e) 80mm dia

(f) 100mm dia

S & F in repair gate / globe valves cast copper alloy screwed both end down high pressure with crutch or butterfly handle screwed both ends for iron pipe or for union and fixed bore of following size : -

( a ) 20 mm bore.

( b ) 25 mm bore.

( c ) 40 mm bore.

(d) 50 mm bore

M&L for pre-cast reinforced cement concrete (1:2:4) type B1 using 20 mm graded stone aggregate as in manhole covers including placing the cover in position and set in cement mortar (1:4) complete all as specified and directed. Note: Reinforcement shall be measured and paid seperately.

Construction of brick masonry valve pits of size 120 cm x 120 cm x 120 cm (internal dimension) complete and fabrication of M S cover made out of 6 mm thick MS sheet and angle iron frame made out of 50 mm x 50 mm x 6 mm thick and one side provided with hinges and another side provided with locking arrangement including dismantling the existing unserviceable valve pit including excavation complete all as specifeid and as directed.

Ditto all as per Srl Item No 33 above but of size 100cmx100cmx100cm.

Ditto all as per Srl Item No 33 above but of size 90cmx90cmx90cm.

Ditto all as per Srl Item No 33 above but of size 60cmx60cmx60cm.

Ditto all as per Srl Item No 33 above but of size 45cmx45cmx45cm.

Repair to existing cast iron pipe line in position by cutting of existing cast iron pipe line in position of required sizes for insertion of new tees branches, repairs to existing lines etc complete all as specified and as directed for the following bores :-

(a) 80mm dia

(b) 100mm dia

(c) 150mm dia

(d) 200mm dia

(e) 250mm dia

M&L in replacement making run lead joints including jointing materials complete for the following bore CI/DI pipe and fittings complete all as specified and as directed. Note: : Excavation shall be measured and paid separately.

(a) 80 mm bore complete

(b) 100 mm bore complete.

(c) 150 mm bore complete.

(d) 200 mm bore complete.

(e) 250 mm bore complete.

M&L in replacement Rubber gasket tyton joints suitable for spigot and socket cast iron pipe and fittings of 80 mm bore complete all as specified and as directed. Note : Excavation shall be measured and paid separately.

ditto all as per Srl Item No 50 above but of 100 mm bore

ditto all as per Srl Item No 50 above but of 150 mm bore

ditto all as per Srl Item No 50 above but of 200 mm bore

ditto all as per Srl Item No 50 above but of 250 mm bore

M&L in replacement Joints to flanged pipes and fittings with rubber or fibre board gasket including provision of bolts, nuts, washers and white lead or mineral oil complete for the following bores :- Note: Excavation shall be measured and paid separately.

(a) 80 mm bore.

(b) 100 mm bore.

( c) 150 mm bore

(d) 200 mm bore.

(e) 250 mm bore.

M&L Repairing leaking joints in existing cast iron water mains (lines) in position by providing extra lead wool caulking to make it leak proof including dewatering of trenches for the following bore of pipes :- Note: Excavation shall be measured and paid separately.

(a) 80 mm bore.

(b) 100 mm bore.

(c) 150 mm bore.

(d) 200 mm bore.

(e) 250 mm bore.

Taking up or down cast iron water mains (including all fittings), with spigot and socket ends and lead joint including buning out joints and recovering lead complete all as specified and as directed for the following sizes :-

(a) 80mm bore

(b) 100 mm bore

(c) 150 mm bore

(d) 200 mm bore.

(e) 250 mm bore.

M&L for Ductile Iron (DI) pipe Class K-9, ISI marked (IS 8329) for following bore of pipes complete all as specified and as directed.

(a) 80 mm bore

(b) 100 mm bore

(c) 150 mm bore

(d) 200 mm bore.

(e) 250 mm bore.

Supply and fix in replacement sluice valve of following size / bore, all as IS -14846-2000 PN 1.6 with gun metal spindle both ends flanged and drilled with necessary holes for bolts including jointing materials viz nuts, bolts, rubber gaskets etc with iron wheel head including flange joints and making necessary arrangements to fix in position complete all as specified and as directed .

(a) 80 mm bore.

(b) 100 mm bore.

(c) 150 mm bore.

(d) 200 mm bore.

(e) 250 mm bore

Taking down unserviceable cast iron Air Release valve of following size complete alla s specified and as directed : -

(a) 50 MM bore

(b) 80 MM bore

Supply and fix cast iron Air Release Valve with two air out lets complete all as specified and as directed for the following sizes : -

(a) 50 MM bore

(b) 80 MM bore

Cutting of existing road for laying /passing through CI Pipe line 80 to 100 mm bore including necessary excavtion ,returing filling in hard/dense soil material to a distance not exceeding 100mtrs and making good disturbed surface with exsiting one after laying of pipe line complete all as specified and as directed.

M&L Fittings for spigot socketed cast iron pipes 80 to 300 mm bore such as bends (any type, radius and angle), tapers any type (straight, bend, increasing, decreasing or double socket etc), tee pieces, single branch, `Y' junction, double branch, cross (all sockets or socket and spigot), collars, caps and plugs complete all as specified and as directed.

M&L for making foundation thrust blocks/support pillars for holding pipe line/clamp support etc by PCC 1:2:4 type B1 (using 20mm graded aggregate size) and using extra cement making good to surfaces complete all as specified and as directed.

S&F CI D Joint including all accessories nut, bolt and washer complete including dewatering of trenches for the following bore of pipes :-

(a) 80 mm bore.

(b) 100 mm bore.

(c) 150 mm bore.

(d) 200 mm bore.

(e) 250 mm bore.

Taking down Non return valve of following sizes complete all as specified and as directed :-

(a) 80 mm bore.

(b) 100 mm bore.

(c) 150 mm bore.

(d) 200 mm bore.

S&F CI Non return valve of following sizes complete all as specified and as directed :-

(a) 80 mm bore.

(b) 100 mm bore.

(c) 150 mm bore.

(d) 200 mm bore.

S&F in repair 20 mm bore, Bib cock, PTMT, any colour, high pressure, screwed for iron pipe, minimum weight 120 gms. complete all as specified and as directed.

M&L for PCC 1:4:8 type D2 using 40 mm graded stone aggregate in foundation filling and mass concrete complete all as specified and as directed.

M&L for PCC 1:2:4, type B-1, using 20mm graded stone aggregate as in window cills, lintel band, bed block, copings and the like including weathering, slightly rounded or chamfered angles and throating, Including necessary form work complete all as specified and as directed.

S&F in replacement mild steel plates, plain or chequered, 5mm thick or over in thickness in available sizes Fe 410-W (Gde-E-250) quality-complete all as specified and as directed.

M& L for repair of Sluice Valve Spindle made out of Brass including adequate size of spindle nut made of brass of following size as per sample complete all as specifeid and as directed.

(a) 80mm/100mm bore

(b) 150mm/200mm bore

M& L for repair of Sluice Valve Spindle made out of Steel including adequate size of spindle nut made of brass of following size as per sample complete all as specifeid and as directed.

(a) 80mm/100mm bore

(b) 150mm/200mm bore

ABHISHEK ENTERPRISES (BID ID -3138801)

BUILDTECH ASSOCIATES (BID ID -3135040)

kiran electrical and hardware centre (BID ID -3134061)