Repair, replacement of old filter media and cleaning of reservoir, clean water sump and other connected work at Mil Stn Dharamshala under AGE (I) Dharamshala

Amount

Periodical cleaning of new filter bed (filter bed size 2.90 X 2.0 X 3.10M) chamber by by draining/pumping out the water, removing the sludge and cleaning by scrubbing thoroughly with wire brushes, bleaching powder, taking out the sand and gravel layers, PVC Nozzles complete if required, including alternate arrangement for bypass connection from receiving point to clean water sump without disturbing the water supply complete all as directed by Engr-in-Charge. Note (i) Replacement of filter media will be measured and paid separately. (ii) Broken 20mm dia PVC nozzles are to be replaced and will be measured and paid separately.

Periodical cleaning of old filter bed (filter bed size 3.0 X 2.0 X 2.5M) chamber by by draining/pumping out the water, removing the sludge and cleaning by scrubbing thoroughly with wire brushes, bleaching powder, taking out the sand and gravel layers, PVC Nozzles complete if required, including alternate arrangement for bypass connection from receiving point to clean water sump without disturbing the water supply complete all as directed by Engr-in-Charge. Note (i) Replacement of filter media will be measured and paid separately. (ii) Broken 20mm dia PVC nozzles are to be replaced and will be measured and paid separately.

Supply and fix PVC nozzles of 20mm dia complete all as specified and directed.

Supply and fill old filter media (HCL free river sand) of size 1.5mm to 5mm dia complete all as specified and as directed. Note :- (a) Filter media sand shall be collected from the nearest river

Supply and fill filter media (gravels) of size 05 to 10mm ,10 to 20mm and 20 to 30mm dia in different layers complete all as specified and as directed.

Removing the old filter media such as sand and gravels to s distance not exceeding 50 mtr and deposited where directed at a level not exc 30cm complete all as specified and directed.

Periodical cleaning of the raw water sedimentation tank of consisting of 06 compartments of size 14.00 x 10.00 x 3.30 Mtr each by draining/pumping out the water, removing the sludge and cleaning all the compartments by scrubbing thoroughly with wire brushes, bleaching powder complete all as specified and directed

Periodical cleaning of the raw water sedimentation tank of size 14.00 x 14.00 x 6.00 Mtr by draining/pumping out the water, removing the sludge and cleaning all the compartments by scrubbing thoroughly with wire brushes, bleaching powder complete all as specified and directed

Periodical cleaning of the clear water sumps of size 12 mtr radius x 04 mtr depth by by draining/pumping out the water, removing the sludge and cleaning all the compartments by scrubbing thoroughly with wire brushes, bleaching powder complete all as specified and directed

Periodical cleaning of the clear water sumps of size 12 x 6 x 4 mtr by draining/pumping out the water, removing the sludge and cleaning all the compartments by scrubbing thoroughly with wire brushes, bleaching powder complete all as specified and directed

Cleaning and removing all scale and dirt, etc from 500 Ltr tanks with bleaching powder including one coat of black/white paint over a old date and writing the cleaning date outer side of the tank through white/black paint complete all as specified and directed

Cleaning and removing all scale and dirt, etc from 1000 Ltr tanks with bleaching powder including one coat of black/white paint over a old date and writing the cleaning date outer side of the tank through white/black paint complete all as specified and directed

Supply and fixing in replacement CI sluice valve of size 150mm dia confirming to IS -14846 PN-1.0 non raising type both ends flanged with SS spindle with jointing materials such as nuts, bolts washers and 3mm rubber gasket 02 Nos including taking out the old unserviceable valve complete all as specified and directed.

Supply and fixing in replacement CI sluice valve of size 100mm dia confirming to IS -14846 PN-1.0 non raising type both ends flanged with SS spindle including jointing materials such as nuts, bolts washers and 3mm rubber gasket 02 Nos complete all as specified and directed. Make :- Kirloskar/Upadhaya/Leader

Supply and laying in floors/drain GI pipe medium grade including fittings such as bends, elbows, union, socket etc.. of size 150mm dia including taking down old unsv pipe complete all as specified and directed.

Supply and laying in walls/ceilings/floors GI pipe medium grade (ISI Marked) including fittings such as bends, elbows, union, socket etc.. of size 100mm dia including taking out old unsv pipe complete all as specified and directed.

Supply and laying in floors/drain GI pipe medium grade including fittings such as bends, elbows, union, socket etc.. of size 80mm dia including taking down old unsv pipe complete all as specified and directed.

M & L for MS flange heavy duty, 12 mm thick suitable for 150 mm dia GI pipe including all necessary rubber gasket , nuts & bolts etc welding or securing properly with pipe by any suitable means complete all as specified and as directed by Engr-in-Charge.

All as per Serial No 18 here in above but 100mm bore.

All as per Serial No 18 here in above but 80mm bore.

Supply and fix solar flat collector of appx size 80 cm x 40 cm suitable for 200/500 ltr solar water heating system to raise water temp upto 60-70 degree centrigade complete with all accessories insulated valve for outgoing and incoming pipe, heat transfer fluid (Glycol) etc all as specified and directed.

M/S JOHN VASSELLY (BID ID -3142010)