REPAIR / MAINT OF STP, INTERMEDIATE SEWAGE INSTALLATIONS, PIPE LINE AND CONNECTED ITEMS AT LGJ MIL STN

Excavation for cable in trenches in any type of soil by not exceeding 1.5 mtr wide and not exceeding 1.5 mtr depth below ground level for foundation of poles/ stays/cable and getting out complete all as specified and directed by Engr-in-charge.

Returning, filling in, any type of soil and spreading in layers not exceeding 25cm thick each layer including watering & well ramming complete all as specified. and directed by Engr-in-Charge.

Removal of surplus soil to a distance not exceeding 50 mtr & depositing where directed at a level not exceeding 1.5mtr above the starting point complete all as specified .and directed by Engr-in-Charge.

Supply and fix in replacement of submercible rubber PVC 4.00 Sqmm, 8/10 core copper cable HR 120 deg C, 1100 volts conforming IS 694:1990 complete all as specified.

Providing T&P, Material & Labour for complete desilting, cleaning and extraction of sewage treated effluent, and dense sludge/mud from treated sewage/effluent storage sump/sludge tank/oxidation pond having depth of sump upto 6 mtrs from ground level and depth of sludge is not exceeding 1.5 mtr. The item includes deploying heavy duty municipal cleaning equipment, such as truck mounted high vacuum jetting-cum-suction machines capable of pulling a vertical lift exceedng 6 metres or hydraulic trolley mounted grab buckets, breaking and dislodging compacted floor silt using high velocti jetting, extraction of all accumulated sludge/mud and transportation and decanting of sewage slurry at any place dircted by Garrison Engineer upto 05 KMs from the well/sump. Details of sumps to be cleaned are as below :- (a) oxidaton pond/treated effluent storage sumps at STP- 02 Nos (b) Sludge collection beds Note :- (a) The item may include working under foul/hazardous conditiions (toxic enviornment having methane. Hydrogen sulphide, CO, CO2), therefore contractor shall provide required safety kit including oxygen cylinder, face mask, safety belt/harness etc to the workers and to follow absolute adherence to Class-A confined space entry (CSE) Protocols. The rates shall be quoted accordingly, nothing extra will be paid on this account. (b) The Machine &man power shall be employed by the contractor in such a manner that the cleaning is completed in all respect within two days. (b) Any damage caused to the tank during cleaning shall be made good by the contractor without any extra cost. (c) The contractor shall make the necessary arrangements to block the incoming sewage pipe line of sewage sump and sewage collection sump before starting the above work and opening the same after cleaning the sump for which no extra payment will be made. (d) The contractor shall make the necessary arrangements for removing the sewage waste from main holes nearest to the sewage sumps at the time of the cleaning of the sumps for which no extra payment will be made. (e) No extra payment will be made for transportation of pumping sets or any other machinery required for the above work. (f) Cost of removing of excavated material and taking it to a suitable place as decided by Garrison Engineer exceeding 1.5Km but not exceeding 5Km deemed to be included in quoted rates. (g) Dewatering to be carried out by the contractor. (h) The contractor shall submit cleaning plan/schedule to Engineer-in-charge for approval, atleast 07 days prior to commencement of cleaning

Providing T&P, Material & Labour for complete desilting, cleaning and extraction of raw sewage, heavy silt, floating debris, and dense sludge/mud from raw sewage/treated effluent collection wells having well depth of well upto 17 mtrs from ground level and depth of sludge is exceeding 1.5 mtr. The item includes deploying heavy duty municipal cleaning equipment, such as truck mounted high vacuum jetting-cum-suction machines capable of pulling a vertical lift exceedng 17 metres or hydraulic trolley mounted grab buckets, breaking and dislodging compacted floor silt using high velocti jetting, extraction of all accumulated sludge/mud and transportation and decanting of sewage slurry at any place dircted by Garrison Engineer upto 05 KMs from the well/sump. The tanks/well to be cleaned are as below :-(a) at STP- 01 No,(b) at Intermediate sewage installations- 04 Nos (c) treated sewage collection sumps at user end- 03 Nos Note :- (a) The item may include working under foul/hazardous conditiions (toxic enviornment having methane. Hydrogen sulphide, CO, CO2), therefore contractor shall provide required safety kit including oxygen cylinder, face mask, safety belt/harness etc to the workers and to follow absolute adherence to Class-A confined space entry (CSE) Protocols. The rates shall be quoted accordingly, nothing extra will be paid on this account. (b) The Machine &man power shall be employed by the contractor in such a manner that the cleaning is completed in all respect within two days. (b) Any damage caused to the tank during cleaning shall be made good by the contractor without any extra cost. (c) The contractor shall make the necessary arrangements to block the incoming sewage pipe line of sewage sump and sewage collection sump before starting the above work and opening the same after cleaning the sump for which no extra payment will be made. (d) The contractor shall make the necessary arrangements for removing the sewage waste from main holes nearest to the sewage sumps at the time of the cleaning of the sumps for which no extra payment will be made.(e) No extra payment will be made for transportation of pumping sets or any other machinery required for the above work.(f) Cost of removing of excavated material and taking it to a suitable place as decided by Garrison Engineer exceeding 1.5Km but not exceeding 5Km deemed to be included in quoted rates. (g) Dewatering to be carried out by the contractor (h) The contractor shall submit cleaning plan/schedule to Engineer-in-charge for approval, atleast 07 days prior to commencement of cleaning (j) The tanks/wells to be cleaned in 03 days of handing over, post which penalty of Rs 5000/day will be imposed (k) During the cleaning work, the contractor shall make necessary arrangement to block incoming sewage to the well and arrangements to empty the upstream tanks to ensure that no tank overflows and no sewage spills or discharges from the tanks.

M&L for disconnecting the existing non-clog submersible pump set (of any capacity ) from electrical connections, lifting and removing the pump set complete with delivery pipe, guide arrangement, lifting chain/wire rope and accessories (as applicable) from the well/sump, loading, transporting to the workshop, unloading for inspection/repair, and loading and transporting the repaired pump set back to the site, including unloading, lowering into the well, reconnection of electrical and delivery connections, testing and commissioning, complete in all respects, including labour, tools & tackles, lifting equipment, chain pully, loading, unloading and transportation, but excluding the cost of repair and replacement of defective parts, complete all as specified and directed by engineer-in-charge.

Repairing/overhauling of three phase non-clog submersible sewage pump set of capacity 05 to 7.5 HP, including dismantling, cleaning, inspection, fault diagnosis, replacement of worn out/defective washer, nuts, bolts, packing, upper mechanical seal, lower mechanical seal, Oil Seal, O ring set, gasket set, cable entry seal, material addition, machining and balancing of impeller if required (replacement of major defective components to be measured and paid separately), reassembly, alignment of rotating parts, lubrication wherever required, testing of insulation resistance and winding continuity, hydraulic performance testing, trial run, and making the pump set fully operational, complete

All as per Srl No. 08 here-in-before but of capacity 12.5 HP complete all as specified and directed by engineer-in-charge.

All as per Srl No. 08 here-in-before but of capacity 20 HP complete all as specified and directed by engineer-in-charge.