Tender For Repair/ Maintenance Of External Water Supply In Txr And Technical Area At Af Stn Sonegaon Nagpur; 1 Excavation in trenches not exc 1.5 metre wide and not exc 1.5 metre in depth and getting out in any type of soil for laying of cable complete all as specified and directed. 2 Returning, filling in and including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and as directed. 3 Removal of excavated materials to a distance not exceeding 50 mtrs and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed. 4 Taking up or down GI steel tubing and connection including fittings cleaning for refixing complete all as specified and as directed for the following sizes: - 5 20mm bore 6 25mm bore 7 40mm bore 8 50mm bore 9 80mm bore 10 Refixing/ laying &Testing of steel tubing medium grade with all fittings and fixed complete to walls and ceiling or laid in floors / trenches complete all as specified and directed for the following sizes: - 11 20mm bore 12 25mm bore 13 40mm bore 14 50mm bore 15 80mm bore 16 Supply and laying of GI tubing medium grade with all fittings including cutting for branch line & making threads complete fixed to wall/flooring /ceiling etc or laid in trenches complete all as specified and directed. 17 20mm bore 18 25mm bore 19 40mm bore 20 50mm bore 21 80mm bore 22 Supply and fix in repairs gun metal globe or gate valves with iron wheel head screwed both ends for GI pipe complete all as specified and directed for the following sizes: - 23 20mm bore 24 25mm bore 25 40mm bore 26 50mm bore 27 Supply and fix in repairs Ball brass valves, high pressure with polythene float and flynut complete, screwed for iron complete pipe or brass ferrule and fix to inlet of delivery main of water storage tank complete all as specified and directed for the following sizes: - 28 15mm bore 29 20mm bore 30 25mm bore 31 Taking down valves/meter chamber cover complete with frame from the existing location complete all as specified and as directed. 32 Taking down existing sluice valve with flanged end cast iron body including repair/renewal of spare parts valve spindle, spindle nut, caps, gland rope, gland studs, rubber gasket during process of repairing & same fixed on existing line complete all as specified and as directed. 33 100 mmbore 34 80 mmbore 35 S & F in repairs of sluice valve 1.6PN size 100mm (4) dia suitable for existing main CI pipe line at Pump house complete all as specified and as directed. 36 M & L for Over-hauling of pump set (submersible pump set) coupled with 5HP three phase motor squirrel cage type by means of opening & replacing of impeller, bearings, bushes, gaskets, unserviceable nuts, bolts, washers including assembling, coupling with motor & testing complete at site complete all as specified and as directed. 37 M & L for Over-hauling of pump set (submersible pump set) coupled with 7.5HP three phase motor squirrel cage type by means of opening and replacing of impeller, bearings, bush, gaskets, unserviceable nuts, bolts, washers including assembling, coupling with motor & testing complete at site complete all as specified and as directed. 38 Dismantling and removing damaged portion of brick masonry, PCC coping pits of valve chambers and removing from site for disposal more than 50 Mtr where directed by Engineer-in-charge. 39 M & L for brick work with sub class B bricks exc 6 meter mean radius in cement mortar 1:6 complete all as specified and as directed. 40 M & L for PCC coping 1:2:4, Type B-1 using 20 mm graded stone aggregate complete all as specifiedand as directed. 41 M & L for rendering with 15 mm thick in cement mortar 1:4 on fair surfaces of brick work or concrete surfaces finished even and smooth surfaces without using extra cement complete all as specified and directed. 42 S & F in Repairs of Star Delta starter of 7.5HP including relays, contactor etc after taking down removing all electric connection and fitted the same to its original position complete all as specified and as directed. 43 S & F in Repair unserviceable foot valve from UG sump by means of opening of existing 80mm bore GI tubing and lowering in sump after replacing foot valve and make good priming system complete all as specified and as directed. 44 M & L for cleaning and removing all scale and dirt with wire brush, etc, from tanks and from mouths of circulating pipes, etc of capacity upto 250ltrs complete all as specified and as directed. 45 M & L for cleaning and removing all scale and dirt with wire brush, etc, from tanks and from mouths of circulating pipes, etc of capacity upto 250ltrs to 500 Ltrs complete all as specified and as directed. 46 M & L for cleaning and removing all scale and dirt with wire brush, etc, from tanks and from mouths of circulating pipes, etc of capacity upto 500ltrs to 1000 Ltrs complete all as specified and as directed. 47 S & F in repair rotational moulded polyethylene water storage tanks (Cylindrical vertical with closed Top) hoisted and fixed in position all as specified in SSR Part I and ISI marked, 500 Litres capacity complete all as specified and directed. 48 S & F in repair Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position with ISI marked with capacity 1000ltr complete all as specified and as directed. 49 Supply only bleaching powder 25kg (bag) 50 Supply only Orthotolidine solution 500ml with PPM testing kit as per sample complete all as specified and as directed. 51 Cleaning of UG Sump of capacity 10,000 Glns (on accessible/ inaccessible roofs) by removing all scale, dirt, mud, any foreign material and removing accumulated silt, other dirty substance, algae, fungus and other bacterial material from sides/bottom of sump with wire brush and cleaning to be done by draining / pumping out water / sludge from bottom removing edges and another growths from wall / floor/ roof by high pressure cleaning method with jet set and again cleaning the tank with fresh water, disinfecting by using UV radiator and approved chemical (chlorite) removing the existing letters/figures complete and writing date of cleaning, next due date of cleaning on black back ground complete all as specified and directed. 52 Cleaning of UG Sump of capacity 25,000 Glns (on accessible/ inaccessible roofs) by removing all scale, dirt , mud, any foreign material and removing accumulated silt, other dirty substance, algae, fungus and other bacterial material from sides/bottom of sump with wire brush and cleaning to be done by draining / pumping out water / sludge from bottom removing edges and another growths from wall / floor/ roof by high pressure cleaning method with jet set and again cleaning the tank with fresh water, disinfecting by using UV radiator and approved chemical (chlorite), cleaning / removing the existing letters/figures complete and writing date of cleaning, next due date of cleaning on black back ground complete all as specified and as directed. 53 Cleaning of Over Head Sump of capacity 67500 Ltrs (on accessible/ inaccessible roofs) by removing all scale, dirt , mud, any foreign material and removing accumulated silt, other dirty substance, algae, fungus and other bacterial material from sides/bottom of sump with wire brush & cleaning to be done by draining / pumping out water / sludge from bottom removing edges and another growths from wall / floor/ roof by high pressure cleaning method with jet set and again cleaning the tank with fresh water, disinfecting by using UV radiator and approved chemical (chlorite), cleaning / removing the existing letters/figures complete and writing date of cleaning, next due date of cleaning on black back ground complete all as specified and directed. 54 Cleaning of Over Head Sump of capacity 45000 Ltrs (on accessible/ inaccessible roofs) by removing all scale, dirt , mud, any foreign material and removing accumulated silt, other dirty substance, algae, fungus and other bacterial material from sides/bottom of sump with wire brush and cleaning to be done by draining / pumping out water / sludge from bottom removing edges and another growths from wall / floor/ roof by high pressure cleaning method with jet set and again cleaning the tank with fresh water, disinfecting by using UV radiator and approved chemical (chlorite), cleaning / removing the existing letters/figures complete and writing date of cleaning, next due date of cleaning on black back ground complete all as specified and directed. 55 Cleaning of SWT (Static water tank) UG Sump of Fire section of capacity 20,000 Glns (on accessible/ inaccessible roofs) by removing all scale, dirt , mud, any foreign material and removing accumulated silt, other dirty substance, algae, fungus and other bacterial material from sides/bottom of sump with wire brush and cleaning to be done by draining / pumping out water / sludge from bottom removing edges and another growths from wall / floor/ roof by high pressure cleaning method with jet set and again cleaning the tank with fresh water, disinfecting by using UV radiator and approved chemical (chlorite), cleaning / removing the existing letters/figures complete and writing date of cleaning, next due date of cleaning on black back ground complete all as specified and directed. 56 M & L for Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc. n. exc 10 kg each brackets, conforming to Fe. 290.Gde-E-165 for ladder and manhole (Brackets over 10 kg each to be measured under Structural Steel) complete all as specified and directed. 57 M & L for MS Plates (Fe 410-W Gde E 250 Quality ‘A’) (chequered) channels, square cut or notched or circular (ordinary and counter sunk) forming holes, with riveted, bolted or welded attachment all as specified and directed for opening or manhole with handle etc. complete all as specified and directed. 58 Preparation to new steel surfaces of any description over 10 cm in width or girth not otherwise described and applying two coat of Synthetic enamel paint over a red oxide primer complete all as specified and as directed. 59 S & F 100mm AC vent pipe with AC Cowl are to be provided in sump and height of AC pipe shall be 1.2m from top of slab and the cowl to be protected with mosquito proof wire net and fixed complete all as specified and as directed. 60 M & L for preparation of old deteriorated plastered surfaces of walls including booming down or by steel wire brushing, scrapping down smoke soot, moss and efflorescent salts and treating oil and greasy spots and applying one coat of cement based paint complete all as specified and directed. 61 M & L for preparation of old decorated plastered surfaces of slab of underground sump including brooming down or by steel wire brushing, scrapping down smoke soot, moss and efflorescent salts and treating oil and greasy spots and applying one coat of cement based complete all as specified and as directed.
