GE/SMB/T-54/2023-24 DIVERSION RE ROUTING OF DI PIPE LINE CLEANING OF OH RESERVOIR UNDERGROUND SUMPS AND ALLIED WORKS UNDER MIL STN SAMBA

Amount

Taking up D I/ CI water Mains (Including all fittings) with spigot and socket ends and connection for re-fixing after cleaning 250mm dia sizes :- Note: Excation work will be paid seprately in respectiv item.

Taking up D I/ CI water Mains (Including all fittings) with spigot and socket ends and connection for re-fixing after cleaning 200 mm dia sizes :- Note: Excation work will be paid seprately in respectiv item.

D I (DUCTILE IRON) pipes with spigot and socket ends CLASS 'K'-7, 250mm dia in any length laid in trenches.complete all as specified and directed.

D I (DUCTILE IRON) pipes with spigot and socket ends CLASS 'K'-7, 200mm dia in any length laid in trenches.complete all as specified and directed.

Relaying old D I Pipe 250mm dia and connection to new position including cleaning and tyton joints with complete fittings as per site requirement (in trench etc) .complete all as specified and directed.

Relaying old D I Pipe 200mm dia and connection to new position including cleaning and tyton joints with complete fittings as per site requirement (in trench etc) .complete all as specified and directed.

Rubber gasket joint for 250 mm bore D I Pipe complete testing and commissioning all as specified and as directed by engr-in-charge

Rubber gasket joint for 200 mm bore D I Pipe complete testing and commissioning all as specified and as directed by engr-in-charge

Cement concrete type D-2 1:4:8 using 40 mm graded crushed stone aggregate as in road cutting/ foundation , complete all as specified and directed..

Cement concrete type B-1 1:2:4 using 20 mm graded crushed stone aggregate as in road cutting/ foundation , complete all as specified and directed..

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m deep in any type of soil getting out for laying of pipe CI/GI etc of any size.complete all as specified and directed.

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

Removing surplus excavated material from site not exceeding 50 mtrs from starting point and depositing where directed at level not exceeding 1.5 mtr above the starting point.

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.

Cleaning of Overhead reservoir at the staging of 21m height 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.

Cleaning of Overhead reservoir at the staging of 21m height 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 25000 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.

Cleaning of Overhead reservoir at the staging of 21m height 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.

Writing letters or figures in Block Roman, Italian or Indian with Synthetic enamel paint of shade as directed height not exceeding 36 cm, complete all as specified and directed including all required material T & P. Note :- Only letter and figures shall be considered for payments by Commas, dashes full stop etc shall not be considered for payment

Removing vegitation, grass, scrubs, creepers and bushes growing in pump houses area, sub station yard, around the pipe line poles/stays etc., along with fancing by mannually / mechanically and keep the pump house yard/ sub station yard neat and clean complete all as specified and as directed. Note :- Unit rate quoted deemed to include to keep the installation neat and clean through out the period of contract and each cleaning will be measured and paid separately.

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, complete all as specified and directed

Cutting existing GI/CI water main pipe line 250mm 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 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.

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 including 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 including 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 including dismantling and taking out existing unserviceable sluice valves for 100 mm bore complete all as specified and directed.

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

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

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

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

Note:- The contract sum arrived after deduction of amount of Sch of credit as listed in tender Documents.

SIDDAHANT ENTERPRISES

M/S GULATI ENGINEERING WORKS