REPAIR REPLACEMENT OF OLD RUSTED CI GI DI PIPE LINE FOR MAIN WATER SUPPLY LINE OF FILTER HOUSE AREA FOD TA BN AND NEARBY LOCATIONS UNDER AGE EM OF GE BENGDUBI

Amount

Excavation in trenches not exceeding 1.50 m wide and 1.5 mtr depth for foundation etc, not exc 10 sqm on plan and getting out in soft/loose soil complete all as specified and directed.

Excavation in trenches not exceeding 1.50 m wide and exc 1.5 mtr depth but nt exc 3.0m in depth for foundation etc, not exc 10 sqm on plan and getting out in soft/loose soil complete all as specified and directed.

Returning filling in including spreading, leveling watering well ramming in layers not exc 25cm thick complete all as specified and directed.

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

M&L for PCC 1:3:6 type C2, using 40mm graded stone aggregate, as in foundation filling & mass concrete complete all as specified and directed.

M&L for Providing, cement concrete 1:2:4 type-B1 in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands,plinth courses, string courses,lacing courses, parapets and railings upto 60 cm in height,copings, kneelers, apex stones,bed plates, kerbs not provided for in Item 04028, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed complete all as specified and directed.

M & L for Cement concrete 1:3:6 type C-2 using 20mm graded stone aggregate in foundations, filling and mass concrete for pipe support post foundation complete all as specified and directed.

M & L for cement concrete 1:2:4 type B-1 using 20 mm graded stone aggregate in under ground water sump grouting of pipe in water sump etc including weathering, slightly rounded or chamfered angles and throating as directed including necessary form work complete all as specified and directed.

M&L for brick with sub class B brick straight or curved on plain exc 6 m mean radius built in cm 1:4 complete all as specified and directed.

M&L for rendering 15 mm thick in two layers 10mm +5mm in cement mortar 1:4 on external surfaces of brick work or concrete surfaces with using WPC finishing the surfaces even and smooth without using extra cement complete all as specified and directed. Note:- WPC will be measured and paid separately under respective item of this schedule.

M&L for surface excavation n.exc 30 cm deep and averaging 15 cm deep getting out in soft/loose soil for cleaning and cutting of grass/bushes (at zero level) in and around the installation / yard and spreading thin layer of anti-vegitaion chemical to prevent abnormal growth of grass/bushes including removal of surplus soil complete all as specified and directed. (Note :- The above item shall be carried out through out the contract period as and when required and shall measured and paid once only)

Taking down GI pipes 15 mm dia from trenches/walls/floor etc complete all as specified and directed.

Taking down GI pipes 20 mm dia from trenches/walls/floor etc complete all as specified and directed.

Taking down GI pipes 25 mm dia from trenches/walls/floor etc complete all as specified and directed.

Taking down GI pipes 32/40 mm dia from trenches/walls/floor etc complete all as specified and directed.

Taking down GI pipes 50/63 mm dia from trenches/walls/floor etc complete all as specified and directed.

Taking down GI pipes 80/90 mm dia from trenches/walls/floor etc complete all as specified and directed.

Taking down GI pipes 100/110 mm dia from trenches/walls/floor etc complete all as specified and directed.

Labour only for refixing steel water tubing medium grade galvanised with new fitting laid in trenches/wall obtained from item No. 09.00 to 15.00 here-in-before for the following sizes :

15 mm Bore.

20 mm Bore.

25 mm Bore.

40 mm Bore.

50 mm Bore.

80 mm Bore.

100 mm Bore.

M&L for steel water tubing medium grade galvanised with new fitting laid in trenches for the following sizes :-

15 mm Bore.

20 mm Bore.

25 mm Bore.

40 mm Bore.

50 mm Bore.

80 mm Bore.

100 mm Bore.

Supply & laying PPR (Polypropylene random copolymer) pipe size 90 mm, OD, PN-10 (SDR-11) IS-15801, 3 Layer outer green colour UB stabilize middle black colour UV stabilized including all fitting such as elbow, tee, socket, bends, union joint etc complete all as specified and directed.

Supply & laying PPR (Polypropylene random copolymer) pipe size 63 mm, OD, PN-10 (SDR-11) IS-15801, 3 Layer outer green colour UB stabilize middle black colour UV stabilized including all fitting such as elbow, tee, socket, bends, union joint etc complete all as specified and directed.

Supply & laying PPR (Polypropylene random copolymer) pipe size 50 mm, OD, PN-10 (SDR-11) IS-15801, 3 Layer outer green colour UB stabilize middle black colour UV stabilized including all fitting such as elbow, tee, socket, bends, union joint etc complete all as specified and directed.

Supply & laying PPR (Polypropylene random copolymer) pipe size 40 mm, OD, PN-10 (SDR-11) IS-15801, 3 Layer outer green colour UB stabilize middle black colour UV stabilized including all fitting such as elbow, tee, socket, bends, union joint etc complete all as specified and directed.

Supply & laying PPR (Polypropylene random copolymer) pipe size 25 mm, OD, PN-10 (SDR-11) IS-15801, 3 Layer outer green colour UB stabilize middle black colour UV stabilized including all fitting such as elbow, tee, socket, bends, union joint etc complete all as specified and directed.

Supply and fixing in repair Gun metal globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed for following size:-

50 mm bore

40 mm bore

25 mm bore

20 mm bore

15 mm bore

M&L for attending GI pipe line break down/leakage/broken pipe of 15 to 50 mm dia by making thread and replacing of GI fitting such as elbow, tee, union, socket etc as reauired including taking up/down pipe and if required any excavation in any type of soil, returning filling and removel of soil all as specified complete all as specified and directed.

M&L for attending GI pipe line break down/leakage/broken pipe of 80 to 100 mm dia by making thread and replacing of GI fitting such as elbow, tee, union, socket etc as reauired including taking up/down pipe and if required any excavation in any type of soil, returning filling and removel of soil all as specified complete all as specified and directed.

M&L for drilling and tapping cast iron water mains (in position) for branch connections of internal dia 20 mm without disturbing the existing CI pipe complete all as specifed and directed.

Taking down unserviceable CI sluice valve 80 mm dia complete all as directed.

Taking down unserviceable CI sluice valve 100 mm dia complete all as directed.

Taking down unserviceable CI sluice valve 150 mm dia complete all as directed.

Taking down unserviceable CI sluice valve 200 mm dia complete all as directed.

Taking down unserviceable CI sluice valve 250/300 mm dia complete all as directed.

Supply and fixing Sluice valve cast iron confirming to IS : 14846 both end flanged with S/S spindle with nut class PN:1.6 with ISI marked complete with hand wheel nuts, bolts, washers & rubber gusket etc of following the sizes complete all as specified and directed.

80 mm bore

100 mm bore

150 mm bore

200 mm bore

250 mm bore

300 mm bore

S&F Cast Iron Air release valves conforming to IS 14845-2000 with tamper proof arrangement of size 80 mm bore incl taking down of old unsv one complete all as specified and directed.

M&L for construction of brick masonry valve pit of size 1200x1200x900mm (internal dimension) one brick thick wall in CM 1:4 on 100mm thick PCC 1:4:8 type D-2 (40mm graded aggregate) as in foundation, and 15mm thick rendering in cement mortor (1:4) internally, externally up to 15cm below GL, providing valve pit cover made of 3 mm thick MS sheet/plate, welded with 40 X 40 X 5mm angle iron frame fixed on top of valve pit by means of hold fast 150mm long, embeded in PCC 1:2:4 type B-1 (20mm graded aggregate) block of size 230 x 200 x 100mm and provision of hinges, handle and locking arrangement including two coats of anti-corrosive paint over a coat of red oxide zinc chrome primer and necessary excavation and earth work in soft/loose soil including dismantling of existing valve pit complete all as specified & directed.

M&L for construction of brick masonry valve pit of size 900x900x900mm (internal dimension) one brick thick wall in CM 1:4 on 100mm thick PCC 1:4:8 type D-2 (40mm graded aggregate) as in foundation, and 15mm thick rendering in cement mortor (1:4) internally, externally up to 15cm below GL, providing valve pit cover made of 3 mm thick MS sheet/plate, welded with 40 X 40 X 5mm angle iron frame fixed on top of valve pit by means of hold fast 150mm long, embeded in PCC 1:2:4 type B-1 (20mm graded aggregate) block of size 230 x 200 x 100mm and provision of hinges, handle and locking arrangement including two coats of anti-corrosive paint over a coat of red oxide zinc chrome primer and necessary excavation and earth work in soft/loose soil including dismantling of existing valve pit complete all as specified & directed.

M & L for framed work for valve pit chamber cover made of MS equal angle and MS sheet including welding, cutting, hinges, locking arrangements of any size and shape including necessary fixing arrangement to existing valve pit chamber preparing of the surfaces and removing all type of substance and applying two coats of approved colour synthetic enamel paint over a coat of red oxide zinc chrome primer and dismantling old one complete all as specified and directed.

S & F MS Clamp Made out of MS flat / Angle iron FE-410 grade E-250 for any dia of CI / GI pipe and MS base frame of pump sets including preparing of the surfaces and removing all type of substance and applying two coats of approved colour synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed.

Supply and fixing in repair mild steel machine made nuts, bolts & washers of any size for pipe/frame work etc complete all as specified and directed.

Taking down CI pipes including all fittings of following sizes including checking and segregation of serviceable pipe and keep the serviceable pipes & Lead in safe custody for cleaning and refixing complete all as specified and as directed.

100 mm bore

150 mm bore

200 mm bore

250 mm bore

300 mm bore

Labour only for cleaning of CI pipes of following sizes internally by using steel brush /scrubber throughly to remove all rusts/slit/mud etc obtained from item no 41.00 and keep in safe custody for refixing in existing/new position including replacing worn out sockets, nuts, bolts, flange, gasket etc complete all as specified and directed. NOTE :- CI specials/ fittings and run lead joint will be measured and paid separately under relevent items of Schedule.

80 mm bore to 150 mm

200 mm bore to 300 mm

Labour only for refixing CI Pipes any type with new or existing fittings fixed to floor /laid in trench obtained from item No. 41.01 to 41.06 here-in-before for the following sizes :-

100 mm bore

150 mm bore

200 mm bore

250 mm bore

300 mm bore

S&F CI/DI bends (any type, radius and angel) tapers any type (straingh, bend, increasing, decreasing or double socket etc) tee pieces single brancehs 'Y' junction double branch, cross (all socket or socket and spigot) collars, caps and plugs for following bore of pipes :-

upto 150 mm bore

upto 200 to 300 mm bore

Supply, Jointing and laying in trenches in standard length , centrifugally cast ( spun ) ductile iron ( DI ) S/S pressure pipes ,with inside cement mortar lining and black bitumen external coating, nominal daimeter, class K-7 classification, confirming to IS-8329 ISI marked , including push on rubber gasket joints and jointing necessary DI specials etc including testing complete all as specfied and directed of following sizes:- NOTE :- DI specials/ fittings will be measured and paid separately under relevent items of Schedule.

100 mm bore

150 mm bore

200 mm bore

Supply, Jointing and laying in trenches in standard length, centrifugally cast ( spun ) ductile iron ( DI ) S/S pressure pipes 100 mm dia,with inside cement mortar lining and black bitumen external coating, nominal daimeter, class K-9 classification, confirming to IS-8329 ISI marked , including push on rubber gasket joints and jointing necessary DI specials etc including testing, complete all as specfied and directed of following sizes:- NOTE :- DI specials/ fittings will be measured and paid separately under relevent items of Schedule

250 mm bore

300 mm bore

Supply, Jointing and laying in trenches in 300 mm dia standard/as required length, centrifugally cast (spun) ductile iron ( DI ) S/S pressure pipes 100 mm dia,with flanged ends and inside cement mortar lining and black bitumen external coating, nominal daimeter, class K-9 classification, confirming to IS-8329 ISI marked, including both ends flanged joints with gasket and jointing necessary DI specials etc including testing, complete all as specfied. NOTE :- DI specials/ fittings will be measured and paid separately under relevent items of Schedule

M&L for attending pipe line break down of CI pipe of 80 mm dia by making lead joint with lead and spun yarn and moulding clay including taking up/down pipe using chain pulley or rope and excavation in any type of soil, returning filling and removel of soil all as specified and testing of pipe line complete all as specified and directed.

Ditto all as per item No: 49.00 here-in-before but CI pipe of dia 100 mm

Ditto all as per item No: 49.00 here-in-before but CI pipe of dia 150 mm

Ditto all as per item No: 49.00 here-in-before but CI pipe of dia 200 mm

Ditto all as per item No: 49.00 here-in-before but CI pipe of dia 250 mm

Ditto all as per item no : 49.00 here-in-before but CI pipe of dia 300 mm

M&L for run lead joints for CI pipe of following bore of pipe with spun yarn and complete testing :-

80 mm bore

100 mm bore

150 mm bore

200 mm bore

250 mm bore

300 mm bore

M&L for Tyton rubber joint of size 100 mm dia complete all as specified and directed.

M&L for Tyton rubber joint of size 150 mm dia complete all as specified and directed.

M&L for Tyton rubber joint of size 200 mm dia complete all as specified and directed.

M&L for Tyton rubber joint of size 250 mm dia complete all as specified and directed.

M&L for Tyton rubber joint of size 300 mm dia complete all as specified and directed.

Carry out physico-chemical, biological testing of raw water of bore well/shallow well/deep well or filtered water of different pump house/Filter House of Bengdubi Mil Station and out side area of GE Bengdubi from Govt Lab/Govt Authorised Laboratory all directed and submitting the report to Eng-in-charge complete all as specified and directed.

(Note : The Scope of Work contained in 'Sch of Credit' amounting to Rs. 1,06,061.00 (refer Tender Srl Page No 29). The Quoted sum shall be arrived at after deducting the amount of “Sch of Credit” from the total amount of the ‘BoQ’

GOUTAM KUMAR GHOSH (BID ID -3489061)

V N ENTERPRISE (BID ID -3490901)

M/S UTTAM ENTERPRISES (BID ID -3489172)

M/S G D CONSTRUCTION (BID ID -3490202)

SAROJ DEVI AGARWAL (BID ID -3488279)