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| 1 | Dismantling and taking down old unserviceable pressed steel plate of pressed steel overhead tank such as pressed steel sheets of any size, internal bracing nuts and bolts, top cover, angle iron channel, flat and all water supply connections to tank of capacity 20000 Glns at 12 to 15 mtrs height and staking serviceable materials from site of work complete all as directed. NOTE -(i) Work has to be carried out at 12 to 15 mtrs height above ground level.(ii) All safety measurers for the labour to be provided by contractor. |
| 2 | Dismantling and taking down old unserviceable pressed steel plate of pressed steel overhead tank such as pressed steel sheets of any size, internal bracing nuts and bolts, top cover, angle iron channel, flat and all water supply connections to tank of capacity 10000 Glns at 12 to 15 mtrs height and staking serviceable materials from site of work complete all as directed. NOTE -(i) Work has to be carried out at 12 to 15 mtrs height above ground level.(ii) All safety measurers for the labour to be provided by contractor. |
| 3 | S & F PS plate of size 1.25m x 1.25m x 6 mm thick fixed to PS overhead tank bottom and first layer including all jointing materials such as good quality rubber gasket, lead wool wire, black putty etc. to make the joints leak proof complete all as specified and as directed. |
| 4 | All as per Item No 3.00 (here- in- before) but for PS plate of size 1.25m x 1.25m x 5 mm thick for second layer. |
| 5 | All as per Item No 3.00 & 4.00 (here- in- before) but fixing only PS plate 5/6 mm thick including all jointing materials such as good quality rubber gasket, lead wool wire, black putty etc, to make the joints leak proof, including cutting/welding complete all as specified and directed. NOTE : Existing PS plate, nuts and bolts with washers which are retrieved item No 01 & 02 shall be re-used) |
| 6 | S&F mild steel angle size 65 mm x 65 mm x 6 mm for bracing supporting members of PS tank including cutting, welding, bending, drilling holes etc complete all as specified and as directed. |
| 7 | S&F mild steel angle size 50 mm x 50 mm x 6 mm for bracing supporting members of PS tank including cutting, welding, bending, drilling holes etc complete all as specified and as directed. |
| 8 | M&L for mild steel sheet, 3.15mm thick as in top cover of PS overhead tank complete all as specified and as directed. |
| 9 | S & F mild steel rolled section as in bracing/supports to members of PS tank including cutting, welding, bending, drilling holes etc complete all as specified and directed. |
| 10 | M&L for preparation of new/old steel surfaces of PSOH tank internally (inside storage) and applying two coats of hygienic bituminous paint over a coat of red oxide zinc chrome primer and sealing surface previous treated with tar, bituminous compositions with one coat of knotting in preparation for painting suitable for drinking water purpose complete all as specified and directed. |
| 11 | M&L for preparation of old painted/new-steel surfaces by scrapping & painting of steel overhead tanks external surface by applying two coats of Aluminium paint over a coat of red oxide primer including suitable staging complete all as specified and directed. |
| 12 | Supply, laying, fixing in repairs GI tubing medium grade of size 80 mm dia with all fittings fixed to PSOH tanks with necessary clips, hooks etc as required at site complete all as specified and as directed. |
| 13 | Supply, laying, fixing in repairs GI tubing medium grade of size 100 mm dia with all fittings fixed to PSOH tanks with necessary clips, hooks etc as required at site complete all as specified and as directed. |
| 14 | Supply, laying, fixing in repairs GI tubing medium grade of size 150 mm dia with all fittings fixed to PSOH tanks with necessary clips, hooks etc as required at site complete all as specified and as directed. |
| 15 | Supply, install, connecting and testing in repairs/replacement of sluice valve, of size 80mm dia,class PN-1.6 double flanged with CI body, wheel and brass spindle and nuts etc., IS- 14846 marked including jointing materials i.e. rubber gaskets, nuts, bolts complete all as specified and as directed |
| 16 | Supply, install, connecting and testing in repairs/replacement of sluice valve, of size 100mm dia,class PN-1.6 double flanged with CI body, wheel and brass spindle and nuts etc., IS- 14846 marked including jointing materials i.e. rubber gaskets, nuts, bolts complete all as specified and as directed |
| 17 | Supply, install, connecting and testing in repairs/replacement of sluice valve, of size 150mm dia,class PN-1.6 double flanged with CI body, wheel and brass spindle and nuts etc., IS- 14846 marked including jointing materials i.e. rubber gaskets, nuts, bolts complete all as specified and as directed |
| 18 | Supply, install, connecting and testing in repairs/replacement of sluice valve, of size 200mm dia,class PN-1.6 double flanged with CI body, wheel and brass spindle and nuts etc., IS- 14846 marked including jointing materials i.e. rubber gaskets, nuts, bolts complete all as specified and as directed |
| 19 | S&F in connecting and testing in repairs/replacement butterfly valve, , heavy duty with CI body of size 100 mm dia, lever operated, suitable length of lever, conforming to IS 14846, PN-1.6, including jointing materials i.e rubber gaskets, nuts bolts etc complete all as specified and as directed |
| 20 | S&F in connecting and testing in repairs/replacement butterfly valve, , heavy duty with CI body of size 150 mm dia, lever operated, suitable length of lever, conforming to IS 14846, PN-1.6, including jointing materials i.e rubber gaskets, nuts bolts etc complete all as specified and as directed |
| 21 | M & L for construction of brick masonary valve pit chamber 1050mm x 1050mm x 1000mm (internal dimension) with MS angle iron frame work (angle iron size 45mm x 45mm x 6mm) and 3.15 mm thick MS black sheet top cover openable through hinges of suitable size including necessary earth work, PCC, locking arrangement,rendering complete with two coats of black bituminous paint over a coat of red oxide zinc chrome primer to all iron surfaces with sub class B bricks (using old size burnt brick), built in CM (1:4), PCC (1:3:6), type C-2 as in foundation concrete bed/ floor coping and 10mm thick rendering in CM (1:4) on internal and exposed external surfaces, external plaster shall be upto 15 cm below ground level and mixed with water proofing compound @ 3% by weight of cement with and complete all as specified and as directed. |
| 22 | Supplying, fixing and testing of CI, heavy duty, Specials of any size, radius and length confirming to IS - 1538 Part - I to XXIII: 1976 such as bends, tapers any type sockets, tail pieces, connecting pieces, tee pieces, single branch, \\"Y\\" junction, double branch, cross, [all sockets or socket and spigot or Flanged], collars, caps and plugs, ( required for shape as per site) adopters etc suitable for CI pipes up to 250 mm dia complete all as specified and as directed |
| 23 | Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth for laying of water supply pipe line n exc 10 sq m on plan and n exc 1.5 m in depth and getting out soft/loose soil complete all as specified and as directed. |
| 24 | Returning filling in including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft/loose soil complete all as specified and as directed. |
| 25 | Removing excavated material n exc 50 m and depositing where directed at a level n exc 1.5 m above the starting point complete all as specified and as directed. |
| 26 | M & L for PCC work (1:3:6) Type D-2 (using 40mm Graded aggregate stone aggregate) as in foundation, mass concrete, sub base etc complete all as specified and directed. |
| 27 | NOTES :-1. The contractor or his authorised representative shall report to water supply complaint cell /JE E/M or Engineer-in-Charge at 0900 hours daily on all working days to receive order/instructions of the work or regular complaints. 2. In case the contractor fails to attend/rectify the defects within the time limit as given by Engr-in-Charge, penalty will the imposed as Rs 500/- per day per complaints/jobs. Please Enable Macros to View BoQ information |
