REPAIR/ REPLACEMENT OF WATER SERVICE TANK, PUFF TANKS, CLEANING OF SUMPS AND OH TANKS AND WATER SUPPLY DISTRIBUTION SYSTEM AND OHER CONNECTED WORKS AT AF STN LEH

Amount

M&L for cleaning of insulated steel overhead tanks of 50,000 ltrs capacity by adopting following method :- (a) Removing accumulated sludge and solid particles etc. deposited at the bottom of tank and removing the same to a distance not exceeding 50 mtr away complete all as specified and directed by Engr-in-Charge. (b) Washing with clean water bleaching powder solution by rubbing with wire brush on all side walls and bottom of the tank and removing grits and other deposited materials complete inside, outside of the tank and applying two coats of water bond distemper making it absolutely germ free complete all as specified and directed .

M&L for cleaning of insulated steel overhead tanks of 30,000 ltrs capacity by adopting following method :- (a) Removing accumulated sludge and solid particles etc. deposited at the bottom of tank and removing the same to a distance not exceeding 50 mtr away complete all as specified and directed by Engr-in-Charge. (b) Washing with clean water bleaching powder solution by rubbing with wire brush on all side walls and bottom of the tank and removing grits and other deposited materials complete inside, outside of the tank and applying two coats of water bond distemper making it absolutely germ free complete all as specified and directed.

M&L for cleaning of steel overhead tanks of 25,000 ltrs capacity by adopting following method :- (a) Removing accumulated sludge and solid particles etc deposited at the bottom of tank and removing the same to a distance not exceeding 50 mtr away complete all as specified and directed by Engr-in-Charge. (b) Fabrication & welding work with the specified size of MS plain sheet and angle iron to steel tank to stop leakages complete all as directed by Engr-in-charge. (c) Washing with clean water bleaching powder solution by rubbing with wire brush on all side walls and bottom of the tank and removing grits and other deposited materials complete inside, outside of the tank and applying two coats of water bond distemper making it absolutely germ free complete all as specified and directed.

M&L for cleaning of under ground/ semi underground sumps of 25,000 ltrs capacity by adopting following method :- (a) Taking out the water from the sump with the help of monoblock/submersible pump set and removing accumulated sludge and solid particles etc. deposited at the bottom of sump and removing the same to a distance not exc 50 meter away complete all as specified. (b) Washing with clean water bleaching powder solution by rubbing with wire brush on all side walls, dome portion and bottom of the tank and removing grits and other deposited materials complete inside and from the outside of sump and wash with two coat of cement wash, plastering internally with 15mm thick in cement mortar 1:6 & flush pointing externally in the same mortar. (applying two coats of water bound distemper making it absolutely germ free) complete all as specified and dircted by Engr-in-Charge.

M&L for cleaning of Static water tank sumps by adopting following method :- (a) Taking out the water from the sump with the help of monoblock/submersible pump set and removing accumulated sludge and solid particles etc. deposited at the bottom of sump and removing the same to a distance not exc 50 meter away complete all as specified. (b) Washing with clean water bleaching powder solution by rubbing with wire brush on all side walls, dome portion and bottom of the tank and removing grits and other deposited materials complete inside and from the outside of sump and wash with two coat of cement wash, plastering internally with 15mm thick in cement mortar 1:6 & flush pointing externally in the same mortar. (applying two coats of water bound distemper making it absolutely germ free) complete all as specified and dircted by Engr-in-Charge.

M&L for cleaning of overhead tanks of 10,000 ltrs capacity by adopting following method :- (a) Removing accumulated sludge and solid particles etc deposited at the bottom of tank and removing the same to a distance not exceeding 50 mtr away complete all as specified. (b) Washing with clean water bleaching powder solution by rubbing with wire brush on all side walls, dome portion and bottom of the tank and removing grits and other deposted materials complete inside and from the outside of the tank, plastering internally wtih 15mm thick in cement mortar 1:6 & flush pointing externally in the same mortar to stop leakages (applying two coats of water bound distemper making it absolutely germ free) complete all as specified and dircted by Engr-in-Charge.

M&L for painting to steel ladder all along the overhead tank approx 15 mtr high, painting to staging and overhead tank of capacity 50000 ltrs by applying two coats of primer and top coating with synthetic enamel paint black inlcuding preparation of old painted surfaces and writing "Tank cleaned on the date" and next due date with white paint complete on the base of black paint all as directed by Engr-in -Charge.

M&L for painting to steel overhead tank of capacity 25000 ltrs by applying two coats of primer and top coating with synthetic enamel paint black including preparation of old painted surfaces and writing "Tank cleaned on the date" and next due date with white paint on the base of black paint complete all as specified and directed.

M&L applying two coats of white wash to overhead tank of capacity 10000 Ltrs including preparation of old surface and writing "Tank cleaned on the date" and next due date with white paint complete on the base of black paint complete all as directed by Engr-in-Charge.

M&L applying two coats of white wash to underground/semi underground/ static water tank sump including preparation of old surface and writing "Tank cleaned on the date and next due date "in white with synthetic enamel paint complete on the base of black paint complete all as directed by Engr-in-charge.

S&F Ball brass valve, high pressure with polythene float and fly nut complete ISI marked of size 15mm complete all as specified and directed by Engr-in-charge.

S&F Ball brass valve, high pressure with polythene float and fly nut complete ISI marked of size 20mm complete all as specified and directed by Engr-in-charge.

S&F Ball brass valve, high pressure with polythene float and fly nut complete ISI marked of size 25mm complete all as specified and directed by Engr-in-charge.

Disconnecting existing tanks of size 300 Ltrs to 500 Ltrs setting aside (for lowering ) and cleaning of all scaling all dirt etc. Hoisting reconnecting and refixing in position including preparation of old painted surfaces complete all as directed by Engr-in-charge.

Disconnecting existing tanks of size 1000 Ltrs on the ground (for lowering ) and cleaning of all scaling all dirt etc. Hoisting reconnecting and refixing in position including preparation of old painted surfaces complete all as directed by Engr-in-charge.

Supply only of Gun-metal, globe or gate valves, 15 mm dia , heavy duty, with iron wheel head, screwed both ends (ISI marked), complete all as specified & directed by Engr-in-Charge.

Supply only of Gun-metal, globe or gate valves, 20 mm dia , heavy duty, with iron wheel head, screwed both ends (ISI marked), complete all as specified & directed by Engr-in-Charge.

Supply only of Gun-metal, globe or gate valves, 25 mm dia , heavy duty, with iron wheel head, screwed both ends (ISI marked), complete all as specified & directed by Engr-in-Charge.

Supply only of Gun-metal, globe or gate valves, 40 mm dia , heavy duty, with iron wheel head, screwed both ends (ISI marked), complete all as specified & directed by Engr-in-Charge.

Supply only of Gun-metal, globe or gate valves, 50 mm dia , heavy duty, with iron wheel head, screwed both ends (ISI marked), complete all as specified & directed by Engr-in-Charge.

Supply only of cast iron sluice valve ISI marked 80 mm dia class PN 1.6 flanged with gun metal spindle including all fittings such as nuts , bolts, washers tec with iron wheel confirming to IS: 780/14846 complete in all respect all as specified.

Supply only GI fittings heavy duty ISI marked including necessary cutting, screwing and making threads complete all as required at site and as directed by Engg- in- charge.

GI Elbow15mm

GI Elbow 20mm

GI Elbow 25mm

GI Elbow 40mm

GI Elbow 50mm

GI Socket 15mm

GI Socket 20mm

GI Socket 25mm

GI Socket 40mm

GI Socket 50mm

GI Union 15mm

GI Union 20mm

GI Union 25mm

GI Union 40mm

GI Union 50mm

GI Tee 15 x 15 mm

GI Tee 20 x 20 mm

GI Tee 25 x 25 mm

Labour for Cleaning drain pits by removing the waste materials (soil) to a distance exceeding 50 m and depositing where directed at a level not exc 1.5 m above the starting point, making all good of drains for easy draining the pits in winter complete all as specified and directedby engr-in-charge.

M&L for collecting the water sample from the pump house and sending to the laboratory Approved by Govt for testing of the water including chemical analysis as PH value,Turbidity,Mineral Test,Residual test on the interval of 6 Month in a year conforming to IS:3025, IS:10500-2012 complete all as specified and directed by Eng in Charge

M &L for Repair to existing valve pit of internal size (100cm x 100cm x 100 cm), with resetting the stones with cement mortar 1:6 including relastering, recoping with PCC 12:4 type B-1 (using 20mm graded stone aggregate), welding of hinges with angle iron frame bringing the bended MS sheet into flat shape etc complee ass as specified and as directed by Engr-in-Charge.

S&F in replacement Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I, of storage capacity 500 Ltrs ISI Mark including connecting inlet and outlet connections complete all as specified and directed by Engr-in-charge.

Note : Schedule of credit to be deducted on acceptances of bid.Details of Schedule of credit is given in tender documents

Sona Enterprises