REPAIRS / MAINTENANCE OF EXTERNAL WATER SUPPLY PIPELINE, FIRE HYDRANTS, PUMP SETS AND OTHER MISC WORKS SYSTEM AT NMRL AMBERNATH

Amount

Excavation in trenches not. exceeding 1.5 metre wide and not exc 1.5 metre in depth in hard/dense soil complete all as specified and directed

Returning filling in trenches including spreading leveling watering and well ramming in layers not exceeding 25 cm in soils complete all as specified and directed.

Removing surplus soil and depositing to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and directed by Engr-in-Chagre.

Taking up or down following size MS/GI water tubing including removing of all necessary connections/fittings as specified and directed by Engineer in Charge. (a) 20 mm dia

(b) 25 mm dia

(c) 40 mm dia

(d) 50 mm dia

(e) 65 mm dia

(f) 80 mm dia

(g) 100 mm dia

(g) 150 mm dia

Relaying and refixing the CI//DI/MS /GI pipe after descaling / cleaning complete with the help of water & brush of the following size / bore obtained from Sl item No 4 to 11 here-in-before and connect in old / new positions, laid in trenches fixed on wall on floor including provision of fittings such as bends, tee, unions, elbows, sockets etc complete all as specified and directed. (a) 20 mm dia.

(b) 25 mm dia.

(c) 40 mm dia

(d) 50 mm dia

(e) 65 mm dia

(f) 80 mm dia

(g) 100 mm dia.

(h) 150 mm dia.

Supply and fix MS ERW pipe of following size / bore including all fitting such as Tees, elbows, unions, sockets etc. complete laid in trenches or fixed on wall / floor all as specified :- (a) 25 mm bore

(a) 40 mm bore

(b) 50 mm bore

(c) 65 mm bore

(d) 80 mm bore

(e) 100 mm bore

(f) 150 mm bore

(g) 200 mm bore

Supply and fix galvanised iron tubing medium grade of following size / bore including necessary fitting such as Tees,bend, elbows, unions, sockets etc. complete laid in trenches or fixed on wall / floor all as specified :- (a) 20 mm bore

(b) 25 mm bore

(c) 40 mm bore

(d) 50 mm bore

(e) 65 mm bore

(f) 80 mm bore

Taking up cast iron water mains including all fittings with spigot and socket ends and lead joints including burning out joints and recovery lead for 80 mm dia pipe complete all as specified and directed.

Taking up cast iron water mains including all fittings with spigot and socket ends and lead joints including burning out joints and recovery lead for 100 mm dia pipe complete all as specified and directed.

Taking up cast iron water mains including all fittings with spigot and socket ends and lead joints including burning out joints and recovery lead for 150 mm dia pipe complete all as specified and directed.

Taking down old existing Cracked /unserviceable cast iron pipe and material and labour for 80 mm dia CI pipe spigot and socket end centrifugally cast class LA in any length conforming to IS-1536 of 1976 laid in trenches complete all as specified and directed.

All as per item No. 37 but CI pipe 100 mm dia

All as per item No. 37 but CI pipe 150 mm dia Note for itemNo 37 to 39 : Excavation and earth work shall be measured and paid separately.

Material and labour for run lead joints for cast iron spigot & socket pipes for following sizes:- (a) 150 mm bore

(b) 100 mm bore

(c) 80 mm bore

Material and labour for flanged joints for cast iron pipes for following sizes:- (a) 150 mm bore

(b) 100 mm bore

(c) 80 mm bore

Supply and fix 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 specified and directed for Cast iron Pipes up to 150 mm dia

All as per item No 47 herein before but of capacity 10.0 HP mono block type - ditto-.

All as per item No 47 herein before but of capacity 7.5 HP mono block type - ditto-.

Supply only following spare part complete all as specified and directed. (a) Impeller with complete assembly for 7.5 to 12.5 HP pump.

(b) Pump Shaft.

(c) Shaft sleeve.

(d) Bearing cartridge DE/NDE.

(e) Thruat bush (set of two).

(f) Split gland coupling suitable size.

(g) Gland coupling.

(h) Ball bearings suitable for 7.5 to 12.5 HP pump.

Material and labour for dismantling of Electric induction motor from pump set and foundation and transporting to authorised service centre for rewinding the motor with super enamelled copper winding wire of same gauge all as per standard practice including baking varnishing and replacement of bearings and testing and commissioning complete capacity of 12.5 to 15 HP complete all as specified and directed.

All as per item No 58 herein before but of capacity 10.0 HP elect motor of mono block type pump .

All as per item No 58 herein before but of capacity 7.5 HP elect motor of mono block type pump

All as per item No 58 herein before but of capacity 2.0/3.0 HP elect motor of mono block type pump

Supply and fix PVC fan suitable for 12.5 /10.0/ 7.5 HP motor complete all as specified and directed

Supply and fix in repairs star rubber coupling of size 100mm x 20mm thick complete all as specified and directed.

Supply and fix in repairs mild steel star coupling of size 100mm x 20mm thick duly fabricated for pump set of capacity 7.5/12.5 HP complete all as specified and directed.

Supply and fix pressure gauge of cap 14/15.0Kgs /sq cm with valve complete all as specified and directed.

Supply and fixing in repair valve spindle, gate and stud nut made of mild steel suitable for CI sluice valve of size 150mm dia complete all as specified and directed

Supply and fixing in repair valve spindle, gate and stud nut made of mild steel suitable for CI sluice valve of size 100mm dia complete all as specified and directed

Supply and fix in repair cast iron Foot valve of size 100 mm dia bore, ISI marked,flanged bolt complete all as specified and directed.

Supply and fix in repair cast iron sluice valve with iron wheel head flanged both end and ISI marked with stainless steel spindle class PN-1.6 complete all as specified and directed of following size :- (a) 200 mm dia

(b) 150 mm dia

(c) 100 mm dia

(d) 80 mm dia

Supply and fix in repair cast iron non return valve ISI marked flanged both ends of size 150mm dia complete all as specified and directed.

Supply and fix in repair cast iron non return valve ISI marked flanged both ends of size 100mm dia complete all as specified and directed.

Supply and fix in repair cast iron non return valve ISI marked flanged both ends of size 80mm dia complete all as specified and directed.

Supply and fix in repair gunmetal/Bronze gate valve with iron wheel head screwed both end, ISI marked for G.I. pipe complete all as specified and directed of following size :- (a) Bore of pipe 80mm.

(b) Bore of pipe 50mm.

(c) Bore of pipe 40mm.

(d) Bore of pipe 25mm.

(e) Bore of pipe 20mm.

Supply & fix in repair Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed .complete all as specified and directed by Engineer-in-Charge of following sizes :- (a) 25mm dia

(b) 20mm dia

Material and labour for preparation of old painting of electric motor of 12.5 / 10.0/ 7.5 HP capacity including connected pumpset and foundation plate installed at pump house No 1 & 2 at Domestic area applying with two coats of synthetic enamel paint complete all as specified and directed by Engineer-in-Charge.

Material and labour for preparation of steel surfaces of any description over 10cm width or girth of old existing C.I. / MS pipe line mains at Pump house No 1 & 2 by removing the dust and rust with the help of sand paper and applying two coats of synthetic enamel paint on C.I. / MS pipe line complete all as specified and directed by Engineer-in-Charge.

Material and labour for repairs/rectification of leakage in cast iron pipe lead joint by caulking lead wool/ pig lead complete including excavation and earth work for exposing the joints and working space on the site, returning filling in and making good to the existing earth level of the surroundings after repair for the pipes of sizes upto 200 mm dia complete all as specified and directed

(b) UG Sump of capacity 2.25 lakh litres

(c ) UG Sump of capacity 2.00 lakh litres

(d) OHR of capacity 1.00 lakh litres

(e) Fire static tank of capacity 2.25 lakh litres

Repair of water supply line with mechanical joint, of CI pipe line size 80 mm to 200 mm including taking out the puncture/cracked existing pipe and transport to local workshop, cutting of damaged portion of pipe through welding/ gas welding, making rough surfaces smooth and chamfered by grinding and connection through mechanical joint of adequate size with rubber rings both sides and fastener of required size and shape complete as per site requirement including Mechanincal joint, excavation, returning filling and removal complete all as specified and directed. Note : Testing/commissioning the pipe line on full pressure after complete the job will be carried out and payment will made for the job if found satisfactory other wise the same shall be done again and no extra payment will be made on this account.

Supply and fix Hose box made of 18 gauge MS Sheet 800mm X 600mm X 250mm with double door with 4 mm thick glass and door frame made of 16 gauge MS sheet painted with fire red shade out side and brilliant white inside complete all as specified and directed.

Supply and fix RRL hose type - A , 63 mm dia 15 metres length with Gun Metal male and female complete all as specified and directed.

Supply and fix Gun metal hydrant valve, Single headed including nut, bolts and washers complete all as specified and directed.

Supply and fix Branch pipe gun metal 63mm instantaneous inlet, male threaded outlet, 20 mm bore nozzle size short complete all as specified and directed.

Supply and fix Yard hydrant Post / Stand Post 80 mm Dia GI / MS both flanged type 1.5m Height complete all as specified and directed.

Material and labour for overhauling for pump set by dismantling the pump set opening, cleaning, greasing including replacement of bearing and re-assembling after repairs including all required metalling, grinding, etc., transportation, reinstalling back to position and testing complete for 79 HP Pump complete all as specified and directed.

Supply and fixing in repairs MCCB 4 Pole, 415 V, Adjustable type, 160 Amps with breaking capacity 36 KA complete all as specified and directed

Supply and fixing soft starter rated operational voltage 415V, 15 KW, 30A, 3 Phase, 50 HZ voltage rap and torque control for both start and stop, two phase controlled, current limit and kick-start, built-in-bypass for energy spacing and easy installation, normal starts, class 10, In-Line, rated control supply voltage, US, 100-240V AC, external keypad rated IP 66, new built-in-modbus-RTU communication for monitoring and control, fieldbus communication with fieldbus plug adaptor and fieldbus plug, analog output for display of motor current, electronic overload, under load and locked rotor protection complete all as specified and directed Make : L&R or equivalent as approved by GE.

Supply and fixing LED pilot lamp 22.5 mm dia suitable to fix panel mounting complete all as specified and directed.

Supply and fixing LED push button red and green for start and stop function of pump set suitable to mount on panel all as specified and directed

Supply and fixing 3 pole power contactor rating 50A, 3 pole, Conforms to IS/IEC 60947-4-1 & IEC 60947-4-1, range from 9A-650A AC -3 complete all as specified and directed Modle MNX 50 of Make : L&T or equivalent in Havells/ABB/Schneider/Siemens/Legrand

Supply and fixing front mounting Add-on Aux. Contact block 2 No+2NC, range from 9A-80A, Complete all as specified and directed Modle CS94114 of Make : L&T or equivalent in Havells/ABB Schneider/Siemens/Legrand

Supply install testing and commissioning of LT Panel Board CPRI approved cubical with kiosk type made of 3.5mm thick CRCA sheet outdoor type with IP 54 grade of protection CRCA sheet, powder coated, with support of 50 mm x 50 mm x 6mm angle iron bottom frame with double hinged front openable shutters of each feeder control unit with locking arrangement in front and back openable inspection doors, control wiring connectors, PVC DIN rail, incoming and outgoing terminals, epoxy connectors and provision for fixing of soft starter panel, MCCB, power contactor and contact block multifunction meter LED phase indicators and push buttons complete along with provision for necessary cable entry/ exit for all incoming and outgoing cables with suitable cable glands etc fixed on suitable PCC foundation complete all specified and directed.

Supply and fixing MCCB 3 Pole, 415 V, Adjustable type, 63 Amps with breaking capacity 16 KA complete including connecting and testing in existing panel complete all as specified and directed

Shree Ayyappa Engineering (BID ID -3435636)

sapana enterprises (BID ID -3435590)

shubham construction (BID ID -3434183)

devan enterprises (BID ID -3434263)

ASHOK ENTERPRISES (BID ID -3435360)