REPAIR/REPLACEMENT AND REWINDING OF SUBMERSIBLE PUMP / CENTRIFUGAL PUMP AND REPAIR / REPLACEMENT OF MOTOR CONTROL PANEL AND ALLIED WORK AT AIRFORCE STATION THANJAVUR

Amount

Dismantling the delivery pipe line of submersible pump set from water mains, Lifting / taking out of GI column pipes of 50 mm dia / 80mm dia Submersible cable / defective Submersible pump set from bore well for repairs and lowering of repaired submersible pump set with GI column pipe 50 mm dia / submersible cable etc complete in the bore well at various sites under GE (AF) Thanjavur, complete upto 110mtrs deep all as specified.

Disconnecting the electric power supply and opening the centrifugal monoblock pump set including opening the Pump checking the serviceability of spares and replacing minor spare parts such as gasket, gland packing, cleaning, painting, greasing, varnishing, reconnecting and testing including writting machine number on body complete. motor and pump painting with two coats of synthetic enamelled paint of approved quality and shade as specified below a) Motor and pump - Smoke Grey colour, (b) Coupling guard and motor air grill - Post office Red colour.(c) Suction line and delivery line in side pump house - Navy blue colour for fresh water pipe lines.(d) Writing SM/MES No 25 mm wide in white colour on motor and pump complete all as specified

Slushing/ flushing of accumulated soil from borewell 150 mm dia & depth up to 120m by using compressed air / special tools / tackles accessories complete all as specified. Note:The rate shall be inclusive of hiring of Air compressor with fuel /special tools / Accessories including transportation of the same & Labour charges, for specially trained man power for the work of desiliting of bore well .

Supply and fix in repairs borewell cap made out of 5 mm thick MS plate for 250 mm ERW MS pipe complete all as specified.

Supply and lowering including fixing with MS clamp made of 60mm X 6 mm flat iron with pumps/motor down/sling 8 m dia complete all as specified.

Carrying out yield test of bore well continuously for 12 hours complete all as specified.

Dismantling and reassembling of the following submsersible pumpset and centrifugal monoblock pump set and after rewinding of motor with suitable size of submersible winding wire/ repairing of pump of different capacity of any model/ make including cleaning, painting greasing varnishing replacement of wornout nut & bolts etc:-

Submersible Pump motor 20HP

Submersible Pump motor 12.5 to 15 HP

Submersible Pump motor 7.5 HP

Submersible Pump motor 5/6 HP

Centrifugal Monoblock pump set 10 HP

Centrifugal Monoblock pump set 5 HP Note: (i) Spare/Items/Parts for repairing submersible pump set shall be measured and paid separately under relevant items as supply only. (ii) Cost of item/parts which are not covered in sch `A' but are necessary for satisfactory functioning of the pump set shall be deemed to be included in the rate quoted for this item.

Supply only following spares/parts for motors :-

Housing bush for submersible motor.

Shaft grinding and jointing of submersible motor

Thrust bearing for submersible motor.

Sand Guard for submersible motor

Rubber bush for submersible pump of any size.

Gun metal bush for submersible pump.

CI bowl for submersible pump.

Gun metal Ring for submersible pump.

Stud nut for submersible pump.

Pump shaft for submersible pump.

IP for submersible pump and Motor .

Oil seal for submersible pump of any size.

Gun metal impellor for submersible pump.

Stainless steel sleeve for submersible pump of any size.

Bearing for centrifugal monoblock Pump

Removing the unserviceable automatic DOL starter by disconnecting electric supply and provision of new DOL Starter for Centrifugal pump set 3 phase, 415 volts, relay range 11-18 Amps complete all as specified.

Supply and replacement of 3 phase contactor , range 32A suitable for Star Delta Starter complete all as specified.

Supply and replacement of 3 phase contactor , range 25A suitable for Star Delta Starter complete all as specified.

Supply and replacement of 3 phase contactor suitable for DOL Starter complete all as specified.

Supply and replacement of relay range 20-32 Amps suitable for Star Delta Starter ML-2 FASD complete all as specified.

Supply and replacement of relay range 10-16 Amps suitable for Star Delta Starter ML-2 FASD complete all as specified.

Supply and fix in repair MCB, Tripple pole & neutral, 63 amps, 415 volts, ‘C’ curve, 10 KA complete all as specified.

Supply and fix in repair MCB, Tripple pole & neutral, 25/32 amps, 415 volts, ‘C’ curve, 10 KA complete all as specified.

Supply and fix in repair MCCB, Tripple pole & neutral, 63 amps, 415 volts, ‘C’ curve, 16 KA complete all as specified.

Supply and fix in repair MCCB, Tripple pole & neutral, 125 amps, 415 volts, ‘C’ curve, 25 KA complete all as specified.

Earthing complete with galvanised earth plate electrode 600 mm X600 mm X6 mm thick buried directly in ground vertically to a depth, not less than 2.25 metre below ground level not less than 1.5 m below normal ground level connectd to galvanised iron wire 4 mm dia as earth lead means of nuts and bolts, wahser made out of copper of tinned brass and protection GI pipe of 25mm dia all as specified and testing complete including earth work, PCC chamber, RCC cover with handle, GI pipe 20 mm dia light grade for watering with GI funnel wire mesh, salt, charcoal, lugs complete all as specified. Note: The rate if inclusive of earth work and excavatioin in any strata, PCC chamber in PCC 1:3:6 type C1, RCC cover slab 50mm thick with 8mm dia TMT bars both ways at 140mm centre to centre.

Earthing complete with galvanised earth plate electrode 600mmX600mmX6 mm thick buried directly in ground vertically to a depth not less than 2.25 metre below ground level not less than 1.5 m below normal ground level connectd to galvanised iron strip 32x6 mm dia as earth lead means of nuts and bolts, wahser made out of copper of tinned brass and protection GI pipe of 25mm dia all as specified and testing complete including earth work, PCC chamber, RCC cover with handle, GI pipe 20 mm dia light grade for watering with GI funnel wire mesh, salt, charcoal, lugs complete. Note: The rate if inclusive of earth work and excavatioin in any strata, PCC chamber in PCC 1:3:6 type C1 RCC cover slab 50mm thick with 8mm dia TMT bars both ways at 140mm centre to centre.

Supply & laying in repair cable XLPE insulated screened PVC bedded galvanised steel strip armoured , electrical power cable(heavy duty) 1100 volts grade with stranded aluminium conductor of size 25 Sqmm 3.5 core complete all as specified.

Supply & laying in repair cable XLPE insulated screened PVC bedded galvanised steel strip armoured , electrical power cable(heavy duty) 1100 volts grade with stranded aluminium conductor of size 35 Sqmm 3.5 core complete all as specified .

Supply and fix in repairs of PVC insulated and sheathed 3 core flat, submersible cable with copper conductor 1100 volt grade of size 4.0 sqmm complete all as specified.

Supply and fix in repairs of PVC insulated and sheathed 3 core flat, submersible cable with copper conductor 1100 volt grade of size 6.0 sqmm complete all as specified.

Supply and fix in repairs pressure guage 0 to 100 Kg/sq cm, 100mm dia complete all as specified.

Gland packing of size 15 mm suitable for centrifugal pumpset complete all as specified.

Supply and fixing in replacement of LED security Lights 30 watt with best in class design & robust heat sink along with class leading IP, IK & Surge protections for long lasting performance and integrated electronic driver with 25 mm GI bracket for fixing of street light with 1.5 sq mm copper conductor for electric connection including clamps , nuts , bolt , washer and sintex FRP box complete all as specified.

Rubber gasket suitable for flanges 2 to 6 inch and 4 mm thick complete all as specified..

Clean dry river/crushed sand for cable cushoining in trenches complete all as specified. Note :The measurement should be only punned thickness will be considered for payment).

Sub class B, old size,well burnt bricks in trenches for cable protection all as omplete all as specified.

Excavation in trenches not exceeding 1.5 M wide and not exceeding 1.5 mtr deep and getting out in hard/dense soil for laying of pipe line complete all as specified.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm complete all as specified.

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

Supply and fix in replacement of heavy duty GI pipe 63mm for suction line including fitting complete all as specified.

Material and labour for servicing and repair welded with suitable guage MS sheet/ channel, and repair to hinge and locking arrengement and painting of LT panel board/ bore well panel board with two coat of synthetic enamel paints over a coat of red oxide primer to external surfaces including making good disturbed surfaces complete all as specified.

Replacement of wornout unserviceable column pipe and supply & fix 65 mm dia UPVC column pipe with ISO 9001:2015 certified standard DN(75mm OD) high tech , hi tensile column pipes suitable for submersible pump with maximum delivery pressure 16 Kgf/cm² including all fittings at one end complete all as specified.

Replacement of wornout unserviceable column pipe and supply & fix 50 mm dia UPVC column pipe with ISO 9001:2015 certified standard DN(60mm OD) high tech , hi tensile column pipes suitable for submersible pump with maximum delivery pressure 20 Kgf/cm² including all fittings at one end complete all as specified.

Supply and fix in repair LED Aviation Obstruction light suitable for over head water tank with and including lamp and fixing arrengement on top of the tank complete all as specified.

Aluminium strip 25 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground of over head tank lightning arrester to earthing complete all as specified.

Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw complete all as specified.

Supply and fix in repairs gun metal foot valve 65mm dia for 5 HP Centrifugal pump set suction line (65mm GI pipe) with gasket complete all as specified.

Supply & fix in repairs CI body foot valve ball type with threded end 63mm dia for 10 HP Centrifugal pump set suction line (80 mm GI pipe) with gasket complete all as specified.

Supply & fix in repairs CI body foot valve ball type with threded end 63mm dia for 5 HP Centrifugal pump set suction line (65 mm GI pipe) with gasket complete all as specified.

M&L for draining out water completely from PVC over head tank, cleaning and removal of all scales and dirt etc. from tank and from mouths of circulating pipes etc. washed with bleaching powder complete of PVC OH Tank capacity upto 1000 litres complete all as specified. Note : The quoted rate is deemed to inclusive of cleaning of PVC by vaccum pump & machines including writing tank capacity, cleaned on date, due on date on out side surface of PVC tank by paint and also arrangement of electricity required for cleaning purpose.

Sub main wiring complete with four runs of 6 sqmm single core PVC insulated FRLS cable 1100 volts grade, multistranded copper conductor cable with two runs of 6 sqmm single core PVC insulated FRLS cable 1100 volts grade, multistranded copper conductor cable as earth continuity conductor, drawn through and including 32 mm dia pvc conduit and conduit accessories complete all as specified.

Supply and fix in repairs float valve (Ball brass valves) high pressure of PTMT, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed 25 mm dia complete all as specified.

Supply and fix in repairs float valve (Ball brass valves) high pressure of PTMT, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed 20 mm dia complete all as specified.

Supply and fix in repair on load change over switch ,3phase, 415 V,4pole 125A in sheet enclosure side handle type complete all as specified.

D Subramani and Sons

SUPER COOL