8123/SAR-63/2023-24 REPAIR/MAINT OF EXTERNAL WATER SUPPLY LINES AND CONNECTED ITEMS AT 1 AFSB DEHRADUN UNDER GE (AF) SARSAWA

Amount

Exavation in trenches in any type of soil not exceeding 1.5 metre wide and not exceeding 1.5 metre deep for taking out/laying of pipe lines, cables and getting out and forming bottom surfaces to required gradient all as specified and as directed.

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

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

Demolition cement concrete (un-reinforced) in ground floor and paving n.exc 15cm thickness (below or above ground level) complete all as specified and directed.

Repair to road cutting on PCC path by providing 1:3:6 type C1 in 20 mm graded aggregate 10 cm thick slab complete.

Supply,laying and connection in replacement of Ductile iron pipe K7 with spigot and socket end along with suitable rubber gasket tighton joint centrufugally cast, class LA in any length laid in trenches of 100 mm bore dia including cutting the existing pipe with suitable joints all as specified and directed. Make : Tata/Jindal

Taking up or down steel tubing and connection 20 mm bore including cleaning for re-fixing or removal from site complete all as specified.

All as per item No 7 here-in-before, but 25 mm bore pipe.

All as per item No 7 here-in-before, but 40 to 50 mm bore pipe.

S&F in repalcement of unserviceable 20 mm bore tube medium grade galvanized with all fitting and fixed to wall, ceiling or laid in floor and trench complete all as specified and directed.

All as per item No 10 here-in-before, but 25mm bore pipe.

All as per item No 10 here-in-before, but 40mm bore pipe.

All as per item No 10 here-in-before, but 50 mm bore pipe.

All as per item No 10 here-in-before, but 80 mm bore pipe.

All as per item No 10 here-in-before, but 100mm bore pipe.

Dismantling all electrical connection from centrifugal pump and motor of capacity 35 HP, 415 Volts, 50 Hz, removing coupling, servicing pump, greasing, replacing worn out bearings, packing/gland and refit after completion of work complete all as specified and directed.

Material & Labour for rewinding of motor starter or rotor of 35 HP capacity, 415 Volts, 50 Hz after removing the burnt out winding wire completely, cleaning the slots of stater or rotor throughly and rewinding with same gauge, number of turns, weight of super enamelled specified and as directed of the following sizes:-

Supply and fix Ball Valve Brass ,high Pressuure, with polythene float and fly nut complete, of size 20 mm bore, screwed for iron pipe or brass complete all as speceifed and as directed.

Supply and fixing inreplacement stop valve copper alloy , screwed down, high pressure with crutch or butterfly handle screwed both ends, 20 mm bore including fittings and fixtures, as required, complete all as specified and as directed.

Supply and fixed gun metal globe or gate valve of 50mm complete, all as speceifed and as directed.

All as per Serial Item No-20 here-in-above but 40mm bore.

All as per Serial Item No -20 here-in-above but 25mm bore.

All as per Serial Item No -20 here-in-above but 20mm bore.

Supply and fixing inreplacement CI sluice valve class PN-1.6 type of size 80 mm dia ISI marked with iron wheel head brass spindle. Confirming to IS - 14846 flanged ends including rubber joints and jointing material all as required at site including any addition alteration for fixing at site of following size all a directed by Engr-in-Charge.

Supply and fix CI sluice valve class PN-1.6 type of size 100 mm dia ISI marked with iron wheel head brass spindle. Confirming to IS - 14846 flanged ends including rubber joints and jointing material all as required at site including any addition alteration for fixing at site of following size all a directed by Engr-in-Charge.

Supply and fix CI sluice valve class PN-1.6 type of size 150 mm dia ISI marked with iron wheel head brass spindle. Confirming to IS - 14846 flanged ends including rubber joints and jointing material all as required at site including any addition alteration for fixing at site of following size all a directed by Engr-in-Charge.

Supply and fixing in replacement gun metal valve (ISI marked) with spindle and CI wheel, both ends flanged, 80 mm bore including fittings and fixtures, as required, complete all as specified and as directed.

Taking out old unserviceable sluice valve by opening the flanged joints, of 80 mm to 150 mm bore, including cutting the existing pipe, threading , welding etc after dismantling the existing floor, road if required including excavation and earth work complete all as specified and as directed.

Cutting into the existing CI pipe 150/100 mm bore, in position for insertion of Tee, junction etc, of any size, for diversion the pipe line, including necessary excavation and earth work complete all as specified and as directed.

Supply and fixing inreplacement Cast iron fitting such as bends (any type , radius and angle), tapers any type, tee, Y junction, collar , tail piece, dummy plate etc flanged and/or socket ends required upto 150 mm bore pipes including joints and jointing materials for run lead joints and flanged joints complete all as specified and as directed.(Run lead joints shall be measured and paid separately)

Repairing the run lead joints by burning out and taking out the existing run lead and filling the joint with pig lead/lead wool and caulking properly for 150mm bore CI pipe including necessary excavation and earth work complete all as specified and as directed (New Run lead shall not be less than 3.5 Kg per joint and spun yarn 0.30 Kg per joint)

Taking out the unserviceable non return valve 150 mm dia by opening of flange joints supply fixing inreplacement of non return valve 150 mm dia cast iron flanged ends complete with joints and jointing materials all as specified and directed.

Taking out the unserviceable non return valve 100 mm dia by opening of flange joints supply fixing inreplacement of non return valve 100 mm dia cast iron flanged ends complete with joints and jointing materials

Supply and fix MCCB 4 pole, 415 V, adjustable type 160 Amp with braking capacity 35KA . (Make : Havells L&T/MDS/Scheineder)

Supply and fix Pvc insulated 3 core summersible flat cable of size of 25 sqmm for 27.5 HP and 35 HP summersible pumps (make : Havells,polycab, Finolex)

Supply and fix Pvc insulated 3 core summersible flat cable of size of 35 sqmm for 35 HP and 60 HP summersible pumps (make : Havells,polycab, Finolex)

Cleaning of Over Head water tank of capacity 50000 Gallon complete all as speciefied and as directed by engr -in-charge

Cleaning of Under Ground sump of capacity 50000 Gallon complete all as speciefied and as directed by engr -in-charge

Labour only for lifting/taking up of defective submersible pumping set of capacity 27.5 HP-60HP from tube well 110 meter deep approximate dismantling of connected raising main, non return valve, bend etc from delivery of pumping set, lifting of column pipe of size 150/ 100 mm fixed with pumping set column pipe from socket/flange cutting of welded slip unscrewing of cable, holding clamps and disconnecting of submersible cable joint complete and refitting the motor and pump set and connection with necessary cables and pipes with nuts bolts and lowering the same all as specified and as directed.

Supply and replacement of stainless steel nuts and bolts 5/8 inch dia, 3 inch long, CRC washer 3 mm thick having 16 mm internal dia and 40 mm outer dia complete all as specified and as directed.

Dismantling of motor and pump of capacity 60 HP in to part for repair and over hauling assembling of motor including rotor turning, grinding, polishing and balancing the motor and pump including repair to shaft by means of grinding, polishing and balancing of pump after necessary repair and testing complete all as specied and as directed.

Supply only winding kit with insulating material of 60 Hp Motor.

Supply only bearing bush set of 60 Hp Motor.

Supply only thrust bearing of 60 Hp Motor.

Supply only GM impeller of 60 hp pump

Dismantling of motor and pump of capacity 27.5 HP in to part for repair and over hauling assembling of motor including roter turning, grinding, polishing and balancing the motor and pump including repair to shaft by means of grinding, polishing and balancing of pump after necessary repair and testing complete all as specied and as directed.

Supply only winding kit with insulating material of 27.5 Hp Motor.

Supply only bearing bush set of 27.5 Hp Motor.

Supply only thrust bearing of 27.5 Hp Motor.

Supply only GM impeller of 27.5 hp pump

Supply only Calcium based granual chlorination chemical for water treatment 60% to 70% availablen chlorine must contain appropriate quantities of despensants/corrosion enhibitors to note contractor/supplier must submit toxicity free report from Govt institute test report of calcium hypochlorite alongwith each delivery all as specified and directed. Make : Rayalaseema/Declibac Technology/Grasim

M&L for Collecting water sample from any pump houses at 1 AFSB in sterilized glass jar and get it bacteriological/chemical analysis test from Govt/Approved laboratory complete all as specified and directed.

Supply only Chlorine Test Kit ranging from 0.05 - 5mg/l complete all as specified. Make:- Aquasol Product Code: AE409 or equivalent.

M&L in replacement valve pit chamber of size 1200x1200x1200 mm internal dimension, 6 mm thick MS steel cover with 2 Nos MS hinges suitable size wekded with angle iron frame of 40x40x6 mm thick with lifting hooks and locking arrangement complete with necessary earth work, brick work in cm (1:6) 230 mm thick PCC bed (1:4:8) type D-2, 15 mm thick cement plaster in cm 1:4 internal surface complete and external surface of wall upto 300 mm front top and applying a coat of black bituminious paint to the steel surface complete incl demolition and removal of old u/s valve pit all as specified and directed by Engr-in-Charge.

All as per item No-54 but size 900x900x900 mm

All as per item No-54 but size 600x600x600 mm

Supply only O- Tolidine Reagent (OT Solution) for chlorination testing of 500 ml bottle complete all as specified and directed.

Service and repair of Chloination Dosing Pump Installed in Pump house of any Make any size,completed as specified and directed by Engr-in- Charge. (Note :- Replacement of worn out/unserviceable parts shall be measure separately and paid under respctive items )

Gearmotor complete 230 V 50 Hz, suitable for Altoch decrine dosing pump

Pump head (ferrules 1/4' and duckbill included)

Pump tube

NRV for dosing pump

White Suction/discharge tubing 3/8"

Taking down old unserviceable pump house board and supply and fix in repair glow sign board showing "PUMP HOUSES NO-3 AGE B/R (AF) DEHARDUN" with radium letter of size 6 x 4 inch covering complete length of main entrance gate along with two legs & frame of stainless steel of size 11.5 x 2 x 0.5 feet along with two nos LED tuble light 20 watt capacity for night illumination complete all as specified and directed.

VATANUCOOL ENGINEERS