REPAIR MAINTENANCE REPLACEMENT OF PUMPING AND EXTERNAL WATER SUPPLY DISTRIBUTION NETWORKS ALONG WITH ALLIED WORKS INCLUDING CLEANING OF UG SEMI UG OH TANKS ETC AT RESIDENTIAL AREA EETF DSC ELSEC CPDC AND ETC UNDER GE I RCI R AND D RCI HYDERABAD

Amount

Repair/rectification of leakages to water supply distribution lines 15 mm bore to 25 mm bore GI/PPR tubing with provision of necessary excavation, cutting of hard standing, returning and filling in as required, tightening of loose joints of union, elbow, sockets etc, threading if required including replacement of GI unions/sockets/nipples as required at site complete all as specified and directed.

All as per item No 1 above but for GI tubing 40 mm bore to 50 mm bore

All as per item No 1 here-in-before but for GI tubing 80 mm bore to 100 mm bore.

M&L for attending break down of water supply pipe line at RCI area / Military Roads and repairs to CI/DI/MS water mains of size 80 mm to 450 mm bore at a given notice including necessary excavation in mud, in any type of soil , PCC,RCC, hard rock etc by manual or using special T&P such as JCB etc. De-watering from the trenches by using pump sets, rectification of leakages, fixing of CI specials such as collars, bends/tail peaces etc and making joints complete all as specified and as directed including making good of disturbed surfaces.

Taking up or down steel tubing along with connections and all fittings from trenches / walls / floors complete all as directed for the following sizes .

20 mm dia

25 mm dia

40 mm dia

50 mm dia

80 mm dia

100 mm dia

Refixing of old steel tubing and connection in new or old position including cutting threads if required, fittings with old/new bends, elbows, socket, nipple, tapers, and reducers etc as per site requirement and laid in trenches and testing for leakages complete all as specified and directed for the following sizes:-

20 mm dia

25 mm dia

40 mm dia

50 mm dia

80 mm dia

100 mm dia

S&F, steel water tubing, medium grade, ISI marked, galvanized, including all fittings such as bends, tees, elbows, reducers, unions, plugs, sockets etc., laid in trenches or fixed to walls and ceilings or concealed in walls, ducts/ceilings or laid in floors complete all as specified and directed for the following sizes.

20 mm dia

25 mm dia

40 mm dia

50 mm dia

80 mm dia

100 mm dia

S&F in repairs, Gun metal, globe or gate valves with iron wheel head, ISI marked screwed both ends for iron/GI pipe and fixed complete all as specified and as directed for the following sizes.

20 mm dia

25 mm dia

40 mm dia

50 mm dia

Taking up or down CI/DI pipes with all pipe fittings from trenches, supports etc., complete all as directed for the following sizes.

100 mm dia

150 mm dia

200 mm dia

Refixing of old CI/DI/MS Pipe and connection in new or old position including fittings with old/new bends, elbows, socket, nipple, tapers, and reducers etc as per site requirement and laid in trenches and testing for leakages complete all as specified and directed for the following sizes:-

100 mm dia

150 mm dia

200 mm dia

Supply, laying, jointing and testing Ductile Iron pipes with spigot and socketed ends, centrifugally cast, class K-7, conforming to IS in any length with blue epoxy coating laid in trenches complete including jointing by using rubber gasket all as specified and directed for the following sizes ( Make ;- TATA/ Electro Steel/ Jindal)

100 mm dia

150 mm dia

200 mm dia

M&L, DI fittings for pipes upto 200mm bore such as bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch. 'Y' junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs complete all as specified and as directed.

Supply, install, test and commissioning of 80mm bore CI Sluice Valve in repairs, Class PN-1.6, both ends flanged and drilled type with stainless steel spindle including wheel, suitable rubber gasket for flanged joints, ISI marked, including provision of necessary jointing materials nuts and bolts, washers etc., complete all as specified and directed. Make : Kirloskar/Leader/Kartar/Durga

All as per item No 13 above but 100mm bore Sluice Valve.

All as per item No 13 above but 150mm bore Sluice Valve.

All as per item No 13 above but 200mm bore Sluice Valve.

S&F in repairs Non return valve suitable for 50mm bore pipe heavy duty cast iron body including necessary fittings, packing material, nuts and bolts etc., complete all as specified and directed. Make : Kirloskar/Leader/Kartar/Durga

All as per item No 17 above but 80mm bore Non Return Valve.

All as per item No 17 above but 100mm bore Non Return Valve.

Supply and fixing of GI fittings 20 mm bore, medium grade, ISI marked, smooth finished and make embossed on fittings complete all as specified and directed for the following fittings:-

Union

All equal Tee

Reducer Tee 20 x 20 x 15 mm

Socket

Reducer Socket 20 x 15 mm

Nipple 75mm Long

Nipple 100mm Long

Nipple 150mm Long

Reducer Elbow 20 x 15 mm

Elbow

All as per item No 20 above but for 25 mm bore.

Union

Socket

Reducer Socket 25 x 20 mm

Nipple 75mm Long

Nipple 100mm Long

Nipple 150mm Long

Elbow

Reducer Elbow 25 x 20 mm

Reducer tee 25mm x 25 mm x 20mm

All as per item No 20 above but for 40 mm bore.

Union

Socket

Reducer Socket 40mm x 25 mm

Nipple 75mm Long

Nipple 100mm Long

Nipple 150mm Long

Elbow

Reducer elbow 40mm x 25mm

Reducer tee 40mm x 40mm x 25mm

All as per item No 20 above but for 50 mm bore.

Union

Socket

Nipple 75mm Long

Nipple 100mm Long

Nipple 150mm Long

Reducer Socket 50mm x 40mm.

Elbow

Reducer elbow 50mm x 40mm

Reducer tee 50mm x 50 mm x 40mm

Reducer tee 50mm x 50 mm x 25mm

All as per item No 20 above but for 80 mm bore.

Union

Socket

Reducer Socket 80mm x 50mm.

Nipple 150mm Long

Nipple 250 mm Long

Elbow

Threaded Flanged with provision of Nut Bolt

M&L for Arresting leakages of sluice valves by replacing Gland packing, gland bush, gland flange, nut bolts, gasket, packing material as required after dismantling in existing position including testing on completion complete all as specified and directed for the following sizes:- Note: Quoted rates inclusive of the materials mentioned above like Gland packing, gland bush, gland flange, nut bolts, gasket, packing material etc as required to arrest the leakages.

80 mm Dia

100 mm Dia

150 mm Dia

200 mm Dia

S&F, connecting and testing in repair of Cast Iron foot Valves flanged ends swing type operation with rubber seat as per IS : 4038 single disc with all standard accessories and tested including replacement of nuts, bolts, washers, gaskets, packings etc complete all as specified and directed.

50 mm Dia

65 mm Dia

Supply and fix in replacement of unserviceable ball brass valves, high pressure with polythene float and fly nut alongwith socket/reducer of suitable size, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed for the following sizes:-

20mm dia bore

25mm dia bore

Cleaning of over head service tanks (PVC/RCC) of buildings by removing the ball valves, draining out water, removing mud, sitt and washing with chlorine solution for antibacterial disinfections and re-fixing the ball valves and marking the date of cleaning, next due date with black & white synthetic enamel paint all as directed. Note: Incase of any damage occured to ball valves and service tanks while cleaning, the same shall be replaced free of cost by the contractor.

All as per Sl Item No. 28 above but 500 Ltre capacity.

All as per Sl Item No. 28 above but 750 Ltre capacity.

All as per Sl Item No. 28 hereinbefore but 1000 Ltrs capacity.

Bailing out the water from the semi underground sump 50,000 litres capacity at Elesec pump house ,AD pump house without causing any interruption to regular water supply, cleaning the walls, roof and floor thoroughly by using scrapper, removing the deposited scales/ fungus/ sludge/dirt etc., cleaning thoroughly with water and bleaching powder, finally cleaning with chlorine solution for complete anti bacterial disinfections complete including removing and disposing of the rubbish materials of the site and writing date of cleaning of the sump on the black ground/board with white synthetic enamel paint complete all as specified and directed.

Draining out the water from the Over Head Reservoir (OHR) 10,000 Litres capacity on 10metres staging at elesec, without causing interruption in regular water supply, cleaning the walls, roof and floor of tank complete by scrapping thoroughly with wire brush and removing dirt/dust/scales/sludge etc., cleaning the tank thorughly with water and bleaching powder, finally cleaning with chlorine solution for complete antibacterial disinfections including removing and disposing off the rubbish out of tank off as directed and writing date of cleaning on the tank on black ground/board with white synthetic enamel paint complete all as specified and directed.

All as per item No 30 above but 2,50,000.00 Litres capacity OHR on 30 m staging at Residential Area Area

Dismantling and strip opening the centrifugal/ monoblock pump including disconnecting the suction, delivery, vaccum pipe lines and coupling for repairs to pump and refixing the same after repairs including overhauling the pump set, renewal of gasket to pump suction and delivery lines, gland packing, greasing nuts, bolts and washers,Metal Sleeves, painting ,all kind of grinding & welding work , etc as required for arresting any kind of water leakages including testing and commissioning complete all as specified and directed for the following capacities as mentioned below :

Pump 3 phase 20 to 40 HP capacity.

Pump 3 phase 10 to 15 HP capacity.

Pump 3 phase 7.5 HP capacity.

Pump 3 phase 3 to 5 HP capacity.

Dismantling and strip opening the centrifugal/ INDUCTION motor including disconnecting the cable connections and coupling of the motor, removing the starter and rotor units, bearings, servicing the motor assembly including cleaning the carbon deposits with carbon tetra chloride, and refixing the same after repairs including connecting up of the electric connections including testing and commissioning complete all as specified for the following capacities :-

Motor, 3 phase, capacity 20 to 40 HP .

Motor, 3 phase, capacity 10 to 15 HP .

Motor, 3 phase, capacity 7.5 HP.

Motor, 3 phase, capacity 3 to 5 HP.

M&L for rewinding the centifugal/ Monoblock electric motor stator or rotor with PVC insulated, super enamelled copper conductor with ‘F’ class heavy grade insulation weight and turns to achieve its full efficiency inclduing tying the winding and connecting the coils and brining the connections as that of exisitng one including applying insulating varnish, heating and backing the windings thoroughly including taking down old existing copper winding complete all as specified and directed of following capacities :-

Stator winding of Electric motor, 3 phase,20 to 40 HP capacity.

Stator winding of Electric motor, 3 phase, 10 to 15 HP capacity.

Startor Winding of Electric Motor, 7.5 HP capacity.

Startor Winding of Electric Motor, 3 to 5 HP capacity.

Supply only the spare part of DRIVE / Non Drive End Bearing suitable for make of motor existing at site as in repairs for the following capacities of motors complete all as specified and directed :-

Motor, 3 phase, capacity 20 to 40 HP .

Motor, 3 phase, capacity 10 to 15 HP .

Motor, 3 phase, capacity 7.5 HP.

Motor, 3 phase, capacity 3 to 5 HP.

Supply only the ball bearing/roller bearing (For DRIVE/ Non-Drive End) suitable for make of pump existing at site for repairs of the following capacities of pumps complete all as specified and directed :-

Pump, fitted with 3 phase motor of capacity 20 to 40 HP .

Pump, fitted with 3 phase motor of capacity 10 to 15 HP.

Pump, fitted with 3 phase motor of capacity 7.5 HP.

Pump, fitted with 3 phase motor of capacity 3 to 5 HP.

Supply and fixing impellor of 20 to 40 HP pump motor as that of existing make and model including applying grease complete all as specified.

All as per item No 37 above but 10 to 15HP Pump.

All as per item No 37 above but 7.5 HP Pump.

All as per item No 37 above but 3 to 5 HP Pump.

Supply and fixing pump shaft of 20 to 40HP pumpset as that of existing make and model including applying grease complete all as specified.

All as per item No 41 above but 10 to 15HP Pump.

All as per item No 41 above but 7.5 HP Pump.

All as per item No 41 above but 3 to 5 HP Pump.

M&L, Construction of brick masonry valve chamber, 1000 x 1000 x 1000mm (Internal dimensions) with PCC foundation 1:4:8 type D2 using 40mm graded stone aggregate 150mm thick, 100mm wide offsets alround over 100mm thick hard core, brick masonry walls built in CM 1:6, 50mm thick coping and floor in PCC 1:2:4 type B-1 using 20mm graded stone aggregate, finished even and smooth, rendering 15mm thick in cement mortar 1:4, finished even and smooth without using extra cement internally and externally upto 150mm below GL including top of floor including excavation earthwork in any type of soil, 3mm thick mild steel sheet cover fixed on 40mmx40mmx6mm thick angle iron frame with hold fasts embedded in PCC coping with locking arrangement, mild steel handles and painting to steel surfaces with two coats of synthetic enamel paint over one coat of primer including disposal of surplus soil to a distance not exceeding 50m etc., complete all as specified and directed.

S&F in repairs, 500 litres capacity triple layered rotational moulded polyethylene water storage tank (cylindrical vertical with closed top) hoisted and fixed in position including connecting up of existing inlet and outlet pipes and ball valve complete all as specified and as directed.

All as per item No 46 above but 750 litres tank capacity

All as per item No 46 above but 1000 litres tank capacity

Excavation in trenches not exceeding 1.50m wide and not exceeding 1.50m depth for foundation, for laying of pipes/cables/poles etc., forming bottom surfaces to required slope/gradient where pipe are laid and getting out in any type of soil complete all as specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick each layer as in soil complete all as specified and as directed.

Removing excavated material/soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

S&F in repairs, Star delta Starter in sheet steel enclosure, max motor output at 415volts 3 phase of upto 15HP, complete all as specified and directed.

Supply and fixing of DOL Starter suitable for upto 7.5 HP Motor, 5.5 KW and relay max range 20-32 Amp as in repairs complete all as specified and as directed.

Supply and replace thermal over load relay in existing DOL starter of capacity 5hp/7.5 HP as per existing relay range complete all as directed.

Supply and fixing of single phase preventer suitable for upto 7.5 HP motor as in repairs complete all as specified and as directed. Make : L&T / Havell/MINILAC as approved by GE.

Taking up or down 150 mm bore steel tubing along with connections and all fittings from trenches / walls / floors complete all as directed.

All as per item No 57 above but 200 mm bore of pipe

Supply, laying welding, fixing, leak proof testing and commissioning of 150 mm bore, medium grade mild steel ERW pipes thick conforming to IS 3589 with bitumen wrap coating over the external surface of the pipe including necessary specials/fittings and taking down old unserviceable pipe complete all as specified and directed. Note: Excavation and earthwork will be measured and paid seperately.

All as per item No 58 above but for 200 mm bore of pipe

S.S.ENGINEERING CORPORATION

SHANTI MARKETING AND SERVICES

UNITY ENGINEERING TRADERS

SRI SAI ENTERPRISES

Richcon Engineers

M/S J J ENTERPRISES