MAINT AND REPAIR TO EXTERNAL WATER SUPPLY SYSTEM AND CLEANING TO OH RESERVOIR TANKS, SUMPS, SERVICES TANKS AT AFACF UNDER AGE(I) AF COIMBATORE

Amount

M&L for dewatering, cleaning of Over Head reservoir any height and underground sumps of following capacities with high pressure water jet to remove all small masses (settled particles), algae and dirt and removal of dirty water alongwith sludge using sludge removing machine and disposal of the same to a safe distance and including scrubbing of internal surfaces and washing with bleaching powder solution, water, etc and writing the date of cleaning in white letters in black background complete all as specified and as directed.

All as per item No. 01 above but for 50,000 gallons capacity over head reservoirs on 18mtr staging.

All as per item No. 01 above but for 10,000 Gallons capacity over head reservoirs on 12 metre staging.

All as per item No. 01 above but for 5,000 Gallons capacity over head reservoirs on 10 metre staging.

All as per item No. 01 above but for 3,000 Gallons capacity over head reservoirs on 10 metre staging.

All as per item No. 01 above but for Under ground sump of 1,00,000 Gallons capacity

All as per item No. 01 above but for Uunder ground sump of 30,000 Gallons capacity

All as per item No. 01 above but for Under ground sump of 10,000 Gallons capacity

All as per item No. 01 above but for Under ground sump of 3000 Gallons capacity

M&L for dewatering, cleaning of service tanks with high pressure water jet to remove all small masses (settled particles), algae and dirt and removal of dirty water alongwith sludge using sludge removing machine , scrubbing with industrial vaccum cleaners and disposal of the same to a safe distance and finally washing with bleaching powder solution, water,etc and writing the date of cleaning in white letters in black background, complete all as specified for the following capacities service tank :-

All as per item No. 10 above but for PVC water tank 5,000 Ltrs capacity

All as per item No. 10 above but for PVC water tank 2,000 Ltrs capacity

All as per item No. 10 above but for PVC water tank 1,000 Ltrs capacity

All as per item No. 10 above but for PVC water tank 750 Ltrs capacity

All as per item No. 10 above but for PVC water tank 500 Ltrs capacity

All as per item No. 10 above but for PVC water tank 300 Ltrs capacity

M&L for preparation of old painted external surfaces by brooming down, scraping distempered and painted surface by scrubbing with steel wire brush, and applying two coat of cement base paint for the following under ground sumps all as specified directed.

All as per item No. 17 above bt for Under ground sump of 1,00,000 Gallons capacity

All as per item No. 17 above bt for Uunder ground sump of 30,000 Gallons capacity

All as per item No. 17 above bt for Under ground sump of 10,000 Gallons capacity

All as per item No. 17 above bt for Under ground sump of 3000 Gallons capacity

Supply and Fix PVC tank lid any type suitable for 500/750/1000 Ltrs. Make shall be as that of water tank all as specified and directed.

Supply and Fix rotational moulded polythylene water storage tank three layer cylindrical (vertical with closed top) hoisted and fixed in position of capacity 500 Ltrs including connecting up with the existing water lines and dismantling and removing the old one all as specified and directed.

All as per item No 23 above but 750 Ltrs capacity

All as per item No 23 above but 1000 Ltrs capacity

All as per item No 23 above but 2000 Ltrs capacity

Supply and fix in repairs ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe for 20 mm bore pipe (minimum weight 210 gm).

All as per item No 27 above but pipe of 25 mm bore (minimum weight 455 Gms).

Supply and mix high strenght calcium based granular chlorination chemical having 65 % to 70 % available chlorine factory sealed pack to achive the desire PPM level of chlorine and maintain the daily consumption records. The chemical packed in sealed container with anti corrosion and anti scaling agents all as specified & directed. Make : Sathiya Sai Aqua Pura / Declibac Altoch -GP, RMCO

Material and Labour for collecting water sample from different wells in AFAC Coimbatore, packing it safely in sterlized bottles as required quantity and send it to approved govt laboratory (TWAD - Tamilnadu water and drainage board test lab or other approved labs) for testing of potable water/raw water as per IS 10500 with following parameters colour,odour,turbidity,conductivity,TDS,PH,alkalinity,hardness,calcium,magnessium,iron,manganese,ammonia,nitrate,nitrite,chloride,fluoride,sulfite,phosphate,silica,free chlorine,standard plate count, totalcoliform, fecalcoliform, streptococci and special element tests all as specified & directed.

M&L for repairing/overhauling of the non clogging pump of capacity 12.5 HP coupled with motor by replacing of unserviceable parts like bearings, sleeves bushes, bearings housing shaft, gunmetal impeller etc assembling the pump with new packing materials, nuts and bolts, washers and checking the alignment connecting up delivery, suction pipes and testing complete including painting with two coats of synthetic enamel paint all as specified & directed.

M & L for servicing the Diesel Engine driven pump of capacity 14HP at sewage pump house complete including replacing the following spares. Loc :- Sewage pump house No 1 and 2. (a) Diesel Filter - 01 No (b) Oil Filter - 01 No (d) Engine Oil - 07 Ltrs (e) Air Filter - 01 No

Supply and fixing fully automatic star delta starter suitable for 12.5HP capacity for sewage pump set, 415 Volts, 3 Phase, 50 HZ including taking out unservicable starter complete. Make : L & T/Schneider / havells/C&S/Indoasian.

Disconnecting electrical connection from the starter/panel for submersible pump set of 10/15 HP capacity taking up (unserviceable) pump set including motor from bore well of depth 450 feet to 720 feet and after repair reinstalling the same and making necessary electrical connection and lowering the pump and motor including transporting testing and commissioning and necessary tools and plants etc all as specified and directed. Note : Repair work alongwith spares will be measured in relevant item Nos

Split opening the submessible pump multi stage 3 phase 10/15HP capacity and replacing the worn out shaft sleeve ,impellers,diffuser bush,diffuser housing ,bearing, bushes, strainer,bolts,nuts etc and M & L for machining (remetalling, grinding, etc) the shaft and turning, polishing to shaft supply and fixing suitable size gun metal bushes etc reassembling the pump completely all as specified and directed.

M& L for split opening the submessible motor 10HP/15HP capacity and taking out worn out winding and rewinding with copper winding wire as per existing gauge including overall insulation and including replacement of defective parts intermediate sheet bottom and top thrust plate, support bush, oil seal, diaphram, 'O' ring, Key, sand guard and stud and nut complete reassembling the motor complete all as directed.

Supply and fix in replacement PVC insulated submersible cable 3 core flat copper conductor (including jointing material) size 6 Sqm 1100 Volt, confirming to IS 694- 1940 complete all as specified and directed.

Supply and replace galvanised steel tubing heavy duty coloum pipe 50 mm bore dia including lifting and lowering the pipes from the borewell as directed . (Make : TATA/ JINDAL/ Zenith) Note : Replacement of collar/socket will be measured and paid seperaely in relevant items here in after.

Supply and replace galvanised steel heavy duty collar/socket 50 mm bore dia all as specified and directed. (Make : TATA/JINDAL/Zenith)

Excavation in trenches not exc 1.50 meter wide and not exc 1.50 meter deep and getting out in hard dense soil all as specified and directed.

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

Removal of surplus soil to a distance not exc. 50 meter and depositing where directed at a level not exc 1.5 meter above starting pointall as specified and directed .

M & L for cutting the existing bituminous road 20 cm depth including refilling and consolidating the disturbed portion all as specified and directed.

Supply and fix 25 mm bore galvanised steel tubing medium grade with all fittings and fixtures to the wall or ceiling or laying in floors including taking down the existing rusted/damage/unserviceable pipe all as specified and directed.

All as per item No 44 above but 40 mm dia bore.

All as per item No 44 above but 50 mm dia bore.

Supply and lay 50 mm bore galvanised steel tubing medium grade with all fittings and fixtures in trenches including taking down the existing rusted/damage/unserviceable pipe all as specified and directed.

All as per item No 47 above but 80 mm dia bore.

Supply and fix in replacement gun metal gate valve heavy duly ISI marked with iron wheel head screwed both ends for iron pipes 25 mm bore dia all as specified and directed.

All as per item No 49 above but 40 mm size all as specified and directed.

All as per item No 49 above but 50 mm size all as specified and directed.

Supplying and laying of 25 mm bore CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling complete incluing taking down the old unserviceable pipes and fittings all as specified and directed.

All as per item No 52 above but 50 mm size.

S&F CPVC ball valve of size 25 mm outer dia including taking down unserviceable valve all as specified and directed.

All as per item No. 54 but of size 50mm outer dia including taking down unserviceable valve all as specified and directed.

M & L for plain cement concrete in foundation, filling and mass concrete type D2 1:4:8 (40 mm graded stone aggregate) for making good the camp area roads all as specified and directed.

M&L for repairing/overhauling of the following spit cage centrifugal pump set any make coupled with motor by replacing of unserviceable parts like bearings, sleeves bushes, bearings housing shaft, gunmetal impeller etc assembling the pump with new packing materials, nuts and bolts, washers and checking the alignment connecting up delivery, suction pipes and testing complete including painting with two coats of synthetic enamel paint all as specified and directed.

All as per item No. 57 but Pump set of 12.5 HP Capacity.

All as per item No. 57 but Pump set of 30 HP Capacity.

Supply and fix cast iron foot valve with leather flap scaling clamped on cast iron disc plates conforming to IS 4038 of size 80 mm (3") dia including taking down the old unsv foot valve all as specified and directed.

Material and labour for run lead joints for cast iron spigot and socket pipes and fittings for 100 mm bore including burning out the old existing joints and removing the old lead complete all as directed .

All as per item No 61 above but for 150 mm bore pipe.

Repair of water supply line (raw/fresh water) with mechanical joint , of cast iron pipe line size 100 to 150 mm including taking out the punctured /cracked exsiting pipe and cutting of damaged /cracked portion of pipe making rough surfaces smooth and champhered by grinding and then connected through mechanical joint of adequate size with rubber rings both sides and fasteners of required size and shape as per site requirement complete all as specified and as directed

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