8314 REPAIR MAINTENANCE OF EXTERNAL WATER SUPPLY DISTRIBUTION SYSTEM INCLUDING VALVES, CONNECTED PIPE LINES AND ALLIED WORKS UNDER AGE (I) RnD NSTL, VISAKHAPATNAM

Amount

Excavating in trenches n. exc. 1.5m wide and n. exc. 1.5m in depth for foundation etc. or for shafts, wells, cesspits, manholes, pier holes etc. n. exc. 10sq.m. on plan and n. exc. 1.5m in depth and getting out in hard/ dense soil complete all as specified and as directed.

Returning, filling in including spreading leveling watering and well ramming in layers not exc 25cm in any type of soil complete all as specified and as directed.

Removing excavated materials to a distance not exc. 50m and depositing where directed at a level n.exc 1.50m above the starting point complete all as specified and as directed.

S&F GI tubing medium grade 15mm dia bore with all fittings such as bends, sockets, elbows, tees, reducers, unions, sockets complete laid in trenches/ floors or fixed to walls complete all as specified including taking up the old unserviceable pipe. [Make: Jindal/ Prakash/ Tata/ Zenith] Note: The work shall be carried out at various locations including on external building walls up to a height of 4th storey. Rate quoted includes for necessary scaffolding arrangement.

All as per Item No. 4 herein before but for 20mm bore dia pipe

All as per Item No. 4 herein before but for 25mm bore dia pipe

All as per Item No. 4 herein before but for 40mm bore dia pipe

S&F GI tubing medium grade 50mm dia bore with all fittings such as bends, sockets, elbows, tees, reducers, unions, sockets complete laid in trenches/ floors complete all as specified including taking up the old unserviceable pipe. [Make: Jindal/ Prakash/ Tata/ Zenith]

All as per Item No. 8 herein before but for 80mm bore dia pipe

Taking up old unserviceable gun metal gate valve and S&F new gun metal gate valve of 25mm dia bore [Class-I, 1.5 Mpa] with ISI mark and iron wheel head, screwed both ends to GI pipes. [Make: Leader/ Bir/ Zoloto/ Lakshmi/ Shakti]

Taking up old unserviceable gun metal gate valve and S&F new gun metal gate valve of 40mm dia bore [Class-I, 1.5 Mpa] with ISI mark and iron wheel head, screwed both ends to GI pipes. [Make: Leader/ Bir/ Zoloto/ Lakshmi/ Shakti]

Taking up old unserviceable gun metal gate valve and S&F new gun metal gate valve of 50mm dia bore [Class-I, 1.5 Mpa] with ISI mark and iron wheel head, screwed both ends to GI pipes. [Make: Leader/ Bir/ Zoloto/ Lakshmi/ Shakti]

Supply only Chlorine test kit of range 0.1 PPM to 2 PPM with coloured ample complete with all testing fitments and 500ml OT solution in rexene finish box. [Make: Rmco or equivalent]

Supply only Chlorine test kit of range 0.1 PPM to 2 PPM digital type. [Make: Rmco or equivalent]

S&F in replacement, general purpose gland rope of 15/20mm dia including renewal of necessary bolts and nuts. [Make: Spitmaan/ Champion]

Supply & replace power contactor coil/ shunt closing coil suitable for operation at 110V DC/ 230/415V AC supply suitable for motor operated 4 pole MCCB 200 Amps of model: NSX250F U800V of make: Schneider complete all as directed.

S&F CI foot valve with CI body, heavy duty 200mm dia including necessary rubber gasket, bolts, nuts and washers, removing and taking out unserviceable foot valve from suction lines complete all as specified and as directed by Engineer-in-charge. [Make: Kirloskar/ Audco/ Advance]

All as per Item No. 17 herein before but 150mm dia

M&L for rectification of defective run lead joint by burning out lead joint in position including recovering lead and making new lead joint including bailing out water leaking from defective joints by means of electric/diesel driven pump set, testing of the joint under full working pressure for 80mm bore dia CI Pipe lines all as directed by Engineer-in-charge.

All as per Item No. 19 herein before but for 100mm bore dia pipe

All as per Item No. 19 herein before but for 150mm bore dia pipe

M&L for taking up old CI pipe 80mm to 150mm from the trenches, cleaning and removing all the accumulated sediments from the pipe, relaying and jointing the pipe and testing complete including lead joints all as directed by the Engineer-in-Charge. [Note: Excavation and earth work shall be measured and paid separately]

Supply & replace thermal overload relay 3 to 5 Amps. [Make: Type MN 2 of make L&T or equivalent in Schneider/ Siemens/ GE]

Supply & replace thermal overload relay 9 to 15 Amps. [Make: Type MN 2 of make L&T or equivalent in Schneider/ Siemens/ GE]

Supply & replace thermal overload relay 45 to 75 Amps. [Make: Type MN 5 of make L&T or equivalent in Schneider/ Siemens/ GE]

Supply & replace 3 pole power contactor 40- 45 Amps with 2 NO+ 2 NC aux contacts, 415 Volts. [Make: Type ML-3 of make L&T or equivalent in Siemens/ Schneider/ GE]

Supply & replace 3 pole power contactor 70- 100 Amps, 415 Volts. [Make: Type MNX70 of make L&T or equivalent in Siemens/ Schneider/ GE]

Supply & replace 3 pole power contactor 12- 30 Amps, 415 Volts. [Make: Type MNX12 of make L&T or equivalent in Siemens/ Schneider/ GE]

Supply & replace 3 pole power contactor 18- 30 Amps, 415 Volts. [Make: Type MNX18 of make L&T or equivalent in Siemens/ Schneider/ GE]

Disconnecting/ dismantling (electrically & mechanically) 3 phase, 440 volts, 50 cycle electrical motor from the mono block pump set of 50 HP capacity and shifting to work shop, opening the motor end cover, taking out rotor, taking out burnt stator winding, cleaning the stator and rewinding the motor with appropriate gauge, weight and turns of super enameled copper wire using proper insulating material, varnishing with Class-I varnish, heating/ baking, reassembling the motor completely and brought back to site, fixing back duly coupled with the pump in proper alignment, connecting and testing complete all as specified: Note :- Insulation of winding shall be Class 'B' up to 7.5 HP and Class 'F' for 10 HP and above.

S&F in repairs add-on blocks 2NO+2NC, front mounting type suitable for MNX/ MCX/ MU-2P contactors of L&T make. [Make: L&T/ Siemens/ Schneider/ GE]

Supply & replace HRC fuse, DIN type 200 Amps [Make: L&T/ CG/ EE/ Indo Asian]

Supply & replace Phase reverser/ single phase preventer with Auto reset, 440 Volts Unbalance. [Cat No. VSP-2 of Make : Minilec or equivalent in L&T].

S&F MCCB 3 Pole, 250 Amps, 36 kA, 415 volts with thermal magnetic release, connecting up with necessary spreader links complete all as directed including disconnecting & taking down existing unserviceable switchgear. [Cat No. CM92009OOP1OG of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F MCCB 3 Pole, 160 Amps, 25 kA, 415 volts with thermal magnetic release, connecting up with necessary spreader links complete all as directed including disconnecting & taking down existing unserviceable switchgear. [Cat No. CM90638OOMO of make: L&T or equivalent in Schneider/ ABB/ Legrand]

S&F MCCB 3 Pole, 100 Amps, 25 kA, 415 volts with thermal magnetic release, connecting up with necessary spreader links complete all as directed including disconnecting & taking down existing unserviceable switchgear. [Cat No. CM91612OOKOOG of make: L&T or equivalent in Schneider/ ABB/ Legrand]

Dismantling the sluice valve of 80mm dia; cleaning & removing of rust, old rubber washers; grinding and refacing the rings for smooth operation, renewal of gland plate, gland packing, check nuts & refixing in same position using new nuts, bolts, rubber gaskets & testing and commissioning including applying two coats of synthetic enamel paint (Black) all as directed.

All as per Item No. 37 herein before but sluice valve of 100 dia

All as per Item No. 37 herein before but sluice valve of 150 dia

All as per Item No. 37 herein before but sluice valve of 200 dia

Taking down unserviceable non return valve and S&F cast iron double flanged non return valve 200mm dia as per IS all as specified and directed by Engineer-in-Charge. [Make: Kirloskar/ Audco/ Advance]

All as per Item No. 41 herein before but 150mm dia

All as per Item No. 41 herein before but 100mm dia

All as per Item No. 41 herein before but 80mm dia

M&L for cutting & removing damaged portion of CI/ DI/ MS pipe line 200 mm bore dia and S&F mechanical joint of length not less than 300mm along with necessary gasket, clamps, bolts & nuts etc. complete all as directed

All as per Item No. 45 herein before but for 150mm bore dia pipe

All as per Item No. 45 herein before but for 100mm bore dia pipe

All as per Item No. 45 herein before but for 80mm bore dia pipe

B SRINIVAS

ANJALI CONSTRUCTIONS

MARINE TECHNICAL SERVICES