REPAIR REPLACEMENT OF OLD RUSTED CI GI DI PIPE LINE FOR OTM MD ACCN UNDER AGE E M OF GE BENGDUBI MIL STN

Amount

SCHEDULE 'A'

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.

Returning filling in including spreading, leveling watering well ramming in layers not exc 25cm thick complete all as specified and as 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 40 mm grade cruhed stone aggregate for making good the road/path etc. complete all as specified and directed.

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 all as 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 etc all as directed

Taking down GI pipes 20 mm dia from trenches/walls etc all as directed

Taking down GI pipes 25 mm dia from trenches/walls etc all as directed

Taking down GI pipes 40 mm dia from trenches/walls etc all as directed

Taking down GI pipes 50 mm dia from trenches/walls etc all as directed

Taking down GI pipes 80 mm dia from trenches/walls etc all as directed

Taking down GI pipes 100 mm dia from trenches/walls etc all as directed

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.

Labour only for refixing steel water tubing medium grade galvanised with new fitting laid in trenches/wall obtained from item No. 6 to 12 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.

S&F PPR (Poly Propylene random co-polymer) pipe size 110mm OD, PN-10 (SDR-11) IS-15801, 3-layer (outer green coloured UV stabilized, middle black coloured UV stabilized and innermost layer white coloured with anti-microbial property) having thermal stability for hot & cold water supply with and including all necessary PPR plain and brass threaded fittings, laid in trenches complete all as specified & directed. (Make: Reliance/Finolex/Savoir faire manufacturing Co. Ltd/KPT) (NOTE:- Contractor shall give 7 years warranty certificate of any manufacturing defect and leak proof material & 50 years product life certificate will be submited before RAR process.)

Ditto all as per item No. 15.00 here-in-before but for 90 mm dia.

Ditto all as per item No. 15.00 here-in-before but for 63 mm dia.

Taking down CI/DI pipes 80 mm dia, Checking, cleaning internally by using steel brush /scrubber throughly to remove all rusts/slit/mud etc from pipe and Keep the Serviceable pipes & Lead in safe custody for refixing in existing/new position including replacing worn out Sockets, nuts, bolts, flange, gasket complete all as directed.

Ditto all as per item No. 18.00 above but for 100 mm dia.

Ditto all as per item No. 18.00 above but for 150 mm dia.

Ditto all as per item No. 18.00 above but for 200 mm dia.

Ditto all as per item No. 18.00 above but for 250 mm dia.

Ditto all as per item No. 18.00 above but for 300 mm dia.

Labour only for refixing CI/DI Pipes any type with fittings fixed to floor / laid in trench obtained from item No. 18 to 23 here-in-before for the following sizes :-

80 mm Bore.

100 mm Bore.

150 mm Bore.

200 mm Bore.

250 mm Bore.

300 mm Bore.

Supply, jointing, laying and testing in standard length 80 mm dia, centrifugally cast (spun) ductile iron (DI) pressure pipes with inside cement mortor lining and black bitumen external coating, nominal diameter, class K-7 classification, confirming to IS-8329 including push on and rubber gasket joints and jointing necessary DI specials etc complete all as specified and directed. (Note:- DI special/ fitting will be measured and paid seperately under relevent item of SCh'A'/BoQ)

Ditto all as per item No. 25.00 above but for 100 mm dia.

Ditto all as per item No. 25.00 above but for 150 mm dia.

Ditto all as per item No. 25.00 above but for 200 mm dia.

Ditto all as per item No. 25.00 above but for 250 mm dia.

Ditto all as per item No. 25.00 above but for 300 mm dia.

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 directed.

Ditto all as per item no. 31.00 here-in-before but CI pipe of dia 100 mm

Ditto all as per item no. 31.00 here-in-before but CI pipe of dia 150 mm

Ditto all as per item no. 31.00 here-in-before but CI pipe of dia 250 mm

Ditto all as per item no. 31.00 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.

M&L for drilling and tapping cast iron water mains (in position) for branch connections of internal dia 20 mm all as 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 mm dia complete all as directed.

S&F sluice valve cast iron 80 mm bore confirming to IS : 14846 both end flanged with S/S spindle with nut class PN - 1.0 ISI marked complete with hand wheel nuts, bolts, washers & rubber gusket etc for the sizescomplete all as specified & directed. (Make- Upadhya/Venus/Hazra/Kirloskar)

Ditto all as per item no. 49.00 here-in-before but 100 mm bore

Ditto all as per item no. 49.00 here-in-before but 150 mm bore

Ditto all as per item no. 49.00 here-in-before but 200 mm bore

Ditto all as per item no. 49.00 here-in-before but 250 mm bore

S&F brass spindle suitable for 80mm to 150mm dia sluice valve incl taking down of old unsv one all as directed. (Make:- Upadhya / Venus / Hazra / Kirloskar)

S&F brass spindle suitable for 200mm to 300mm dia sluice valve incl taking down of old unsv one all as directed. (Make:- Upadhya / Venus / Hazra / Kirloskar)

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 all as directed. (Make:- Upadhya / Venus / Hazra / Kirloskar)

S&F bends Upto 150 mm bore (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 all as specified and directed.

Ditto all as per item no. 57.00 here-in-before but 200 mm to 300 bore

Taking down unserviceable gate valve 20mm, 25mm, 40 mm & 50mm dia complete all as directed.

S&F Gun metal gate valve 20 mm bore Cast Copper alloy, screwed down high pressure with Crutch or Butterfly handle screwed both ends for iron pipe complete all as specified and directed.

Ditto all as per item no. 60.00 here-in-before but 25mm bore

Ditto all as per item no. 60.00 here-in-before but 40mm bore

Ditto all as per item no. 60.00 here-in-before but 50mm bore

Taking down unserviceable float valve from PVC Tank with fittings of size 20/25 mm complete all as directed.

S&F float valve with complete fittings for PVC Tank of dia 20 mm all as directed.

S&F float valve with complete fittings for PVC Tank of dia 25 mm all as 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.

Taking sample of water from Jack well/Sump wells/Borewell/User end and getiing tested from PHED, Raw water test to be carried out by Directorate of PUBLIC HEALTH ENGINEERING OFFICE by collection of sample from source of water physical and chemical and BACTERIOLOGICAL ANALYSIS to be carried out and report shall be submitted to Engineer-in-Charge

Checking and inspection of Static Water Tank (SWT) including connected pipe lines repair if required and maintain a register for serviceability of SWT monthly and report to Engineer-in-charge with user signature all as directed.

Checking and inspection of Fire Hydrants valve including connected pipe lines repair if required and maintain a register for serviceability of fire hydrants monthly and report to Engineer-in-charge with user signature all as directed. (Note:- Spares required will be measured under separate item here in after)

M&L for repairing of fire hydrants upto 65 mm dia with single flanged end, 'pit' pattern ,including jointing only one flanged joint all as specified and directed.

Ditto all as per item No. 72.00 here-in-before but pillar pattern fire hydrant

S&F 63MM, 3-Inch Gun metal Brass Single headed Fire Hydrant volve ISI Mark all as per Specified and Directed

(Note : The Scope of Work contained in 'Sch of Credit' amounting to Rs. 47,665.00 (refer Tender Srl Page No 37). The Quoted sum shall be arrived at after deducting the amount of “Sch of Credit” from the total amount of the ‘BoQ’

NAYAK BROTHERS

Prahalad Rai

MUKHERJEE ENTERPRISE

CHAKRABORTY AND SONS

SHRI S K BHATTACHARJEE

M/S K M CONSTRUCTION

M/S R. K. INDUSTRIES