GE/SMB/T-23/2025-26 COMPREHENSIVE MAINT TO OVER HEAD SEMI UNDERGROUND WATER TANKS LOCATED IN VARIOUS LOCATION UNDER AOR OF GE SAMBA

Amount

M & L for cleaning of semi under ground reservoir by draining out of water below supply lable, removing all internal sludge by washing. Cleaning the surface of the reservoir using wire brushes and other scraping tools to remove dirt and scales to make it free from deposits. Washing the resorvoir with pressure compressor nozzle throughly and removing dirty water from the tank to make it clean. Repair to internal surfaces by plastering and providing fillers cracks to prevent any sepage of water and white washing to complete internal wall and floor of chamber. Disinfecting the sump surface using disinfectent complete all as specified and directed for 100000 GLN capacity. Note- The work of cleaning and disinfection will be carried out by experts in the filled of the work.The work is to be carried out in such way that the water supply is not disrupted.

M & L for cleaning of semi under ground reservoir by draining out of water below supply lable, removing all internal sludge by washing. Cleaning the surface of the reservoir using wire brushes and other scraping tools to remove dirt and scales to make it free from deposits. Washing the resorvoir with pressure compressor nozzle throughly and removing dirty water from the tank to make it clean. Repair to internal surfaces by plastering and providing fillers cracks to prevent any sepage of water and white washing to complete internal wall and floor of chamber. Disinfecting the sump surface using disinfectent complete all as specified and directed for 50000 GLN capacity. Note- The work of cleaning and disinfection will be carried out by experts in the filled of the work.The work is to be carried out in such way that the water supply is not disrupted.

M & L for cleaning of semi under ground reservoir by draining out of water below supply lable, removing all internal sludge by washing. Cleaning the surface of the reservoir using wire brushes and other scraping tools to remove dirt and scales to make it free from deposits. Washing the resorvoir with pressure compressor nozzle throughly and removing dirty water from the tank to make it clean. Repair to internal surfaces by plastering and providing fillers cracks to prevent any sepage of water and white washing to complete internal wall and floor of chamber. Disinfecting the sump surface using disinfectent complete all as specified and directed for 5000 GLN capacity. Note- The work of cleaning and disinfection will be carried out by experts in the filled of the work.The work is to be carried out in such way that the water supply is not disrupted.

M & L for cleaning of Overhead reservoir at the staging of 21m by draining out of water below supply lable, removing all internal sludge by washing. Cleaning the surface of the reservoir using wire brushes and other scraping tools to remove dirt and scales to make it free from deposits. Washing the resorvoir with pressure compressor nozzle throughly and removing dirty water from the tank to make it clean. Repair to internal surfaces by plastering and providing fillers cracks to prevent any sepage of water and white washing to complete internal wall and floor of chamber. Disinfecting the sump surface using disinfectent complete all as specified and directed for 50000 GLN capacity. Note- The work of cleaning and disinfection will be carried out by experts in the filled of the work.The work is to be carried out in such way that the water supply is not disrupted.

M&L for cement concrete using in road cutting/ foundetion type D2 1:4:8 using 40mm graded stone aggregate.

M&L for cement concrete using in road cutting/ foundetion type B1 ,1:2:4 using 20mm graded stone aggregate.

S & F in replacement for cast iron pipes with flanged ends/ vertically cast,class B in any length 150mm dia fitted at over head semi underground (Vertical line) including clamps etc complete all as spd and as directed. Note:-work will be carried out upto 25 mtr height of O H TANK ,as per direction of Engr- in-charge including necessary formwork and scaffolding required as per site conditions and no extra payment shall be made on this account.

Locating the leakage of CI pipe having dia 200 mm and earth excavation at the leaked portion of the pipe carefully by manually and burning out lead joint in position including removing old lead complete, testing after filling new lead joints complete all as specified and as directed. Note : Rates for excavation of 2 m in length, 1 m in width and depth as per requirement of site deemed to be included in the quoted rate

All as per Item No 8 above but for 150 mm bore of pipe.

All as per Item No 8 above but for 100 mm bore of pipe.

All as per Item No 8 above but for 80 mm bore pipe

CI/GI special fittings as per IS for spigot and socketed pipes for water mains / branches lines such as bends(any type radious and angle )tapers any type (straight, bend,increasing,decresing,or double socket etc) tee pices,single branch ,Y juntion, double branch,cross(all socket ,socket and spigot) collers,caps&plugs, including connecting pieces one end flanged and other socket or spigot and bell mouth pices suitable for run lead joint, run lead up to 150mm bore complete all as specified and directed.

Construction of brick masonry valve chamber of internal dimensions 900 x 900 x 900 mm, bottom floor of the pit shall be constructed in PCC (1:3:6) 15 cm thick with 20 mm stone aggregate, inner and exposed surfaces and bottom floor of the pit should be plastered in CM (1:4) 15 mm thick. The top cover of the pit shall be made out of MS sheet min 3 mm thick with angle iron frame made out of MS angle 40 mm x 40 mm x 6 mm with 02 nos steel hinges and locking arrangements duly painted with two coats of synthetic enamel paint over one coat of red oxide primer all as specified and as directed

Cutting existing GI/CI water main pipe line 200mm bore of pipe in position for making branch connection (insertion of GI/cast iron Tee) including excavation and earth work complete all as apecified and directed. Note : Cast iron fittings such as tee, bends, collar, reducer etc joint and jointing material for fixing of cast iron fittings shall be measured and paid separately.

Cutting existing GI/CI water main pipe line 150mm bore of pipe in position for making branch connection (insertion of GI/cast iron Tee) including excavation and earth work complete all as apecified and directed. Note : Cast iron fittings such as tee, bends, collar, reducer etc joint and jointing material for fixing of cast iron fittings shall be measured and paid separately.

Cast iron sluice valve with both end flanged with iron wheel handle for clockwise closing brass spindle heavy duty PN-1.6 class conforming to IS-14846/2000 including gaskit joint nuts, bolts & washers all as requirement of site incl dismantling and taking out existing unserviceable sluice valves for 250 mm bore complete all as specified and directed.

Cast iron sluice valve with both end flanged with iron wheel handle for clockwise closing brass spindle heavy duty PN-1.6 class conforming to IS-14846/2000 including gaskit joint nuts, bolts & washers all as requirement of site incl dismantling and taking out existing unserviceable sluice valves for 200 mm bore complete all as specified and directed.

Cast iron sluice valve with both end flanged with iron wheel handle for clockwise closing brass spindle heavy duty PN-1.6 class conforming to IS-14846/2000 including gaskit joint nuts, bolts & washers all as requirement of site incl dismantling and taking out existing unserviceable sluice valves for 150 mm bore complete all as specified and directed.

Cast iron sluice valve with both end flanged with iron wheel handle for clockwise closing brass spindle heavy duty PN-1.6 class conforming to IS-14846/2000 including gaskit joint nuts, bolts & washers all as requirement of site incl dismantling and taking out existing unserviceable sluice valves for 100 mm bore complete all as specified and directed.

M&L for cast iron non return valves conforming to IS-5312 with Gun metal seating single door type gasket joints bolts/nuts etc including taking out unserviceable non return valves, all as required for 250mm bore pipe line

M&L for cast iron non return valves conforming to IS-5312 with Gun metal seating single door type gasket joints bolts/nuts etc including taking out unserviceable non return valves, all as required for 200mm bore pipe line

M&L for cast iron non return valves conforming to IS-5312 with Gun metal seating single door type gasket joints bolts/nuts etc including taking out unserviceable non return valves, all as required for 150mm bore pipe line

M&L for cast iron non return valves conforming to IS-5312 with Gun metal seating single door type gasket joints bolts/nuts etc including taking out unserviceable non return valves, all as required for 100mm bore pipe line

Supply & Fixing Foot valve 80 mm dia as complete all as specifies and directed.

Supply & Fixing Foot valve 100 mm dia as complete all as specifies and directed.

Note :- The contract sum shall be arrived at after deduction of amount of sch of credit

Vishav Karma Refrigeration and Electric Work (BID ID -3322002)

M/S RAJESH SHARMA & CO. (BID ID -3321961)