repair , replacement of rewinding of submersible / centrrifugal pumps / motor control panel with allied works at air force station thanjavur , m & l for slushing/flushing of accumulated soil from borewell 150 mm dia & depth up to 120m by using compressed air / special tools / tackles accessories all as specified . note:the rate shall be inclusive of use of air compressor with fuel /special tools / accessories including transportation to the site & labour charges , for specially trained man power for the work of desiliting of bore well . , 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 and directed . , supply and fix in repairs borewell cap made out of 5 mm thick ms plate for 250 mm erw ms pipe and all as specified and directed . , supply and fixing ms clamp with fi 75x8mm for lowering / raising of submersible motor / pump complete all as specified and directed . , filling of gravel pack provided in fine aquifiers of suitable size around bore well casing pipe upto ground level as directed . , carrying out yield test of bore well continuously for 16 hours duration all as specified and directed . , dismantling and reassembling of the following submsersible pumpset and centrifugal monoblock pump set with rewinding of motor / repairing of pump of different capacity of any model/ make including cleaning , painting greasing varnishing replacement of wornout nut & bolts etc:-note :- ( i ) spare & required for repairing submersible pump set shall be measured and paid separately under relevant items as supply only . ( ii ) cost of spares 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 . , submsersible pump motor 20hp , submsersible pump motor 15 hp , submsersible pump motor 12 . 5 hp , submsersible pump motor 7 . 5 hp , submsersible pump motor 5 hp , centrifugal monoblock pump set 10 hp , centrifugal monoblock pump set 5 hp , supply only following spares/parts for submersible pump sets :- , oil seal for submersible pump of any size . , sand guard for submersible motor , thrust bearing for submersible motor . , housing bush for submersible motor . , cable box for submersible pump 139x1919x70mm , motor shaft grinding and jointing . , ci bowl for submersible pump . , gun metal impellor for submersible pump . , pump shaft for submersible pump . , gun metal bush for submersible pump . , stainless steel sleeve for submersible pump . , sand guard for submersible pump . , pump set ring for submersible pump . , replacement of stator assembly , disconnecting the electric power supply of the centrifugal monoblock pump set by opening the motor checking the serviceability of spares and replacing minor spare parts such as gasket , gland packing , cleaning , painting , greasing , varnishing , reconnecting and testing and motor and pump painting with two coats of synthetic enamelled paint of approved quality and shade including writting machine number on body complete 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 . , removing the unserviceable automatic star delta starter by disconnecting electric supply and fixing of new fully automatic star delta starter for submersible pump set 3 phase 415 volts relay range 20-32 amps . make : l&t , ml2 fasd or equivalent in havells/crompton greaves/cutler hammer . , removing the unserviceable automatic star delta starter by disconnecting electric supply and fixing of new fully automatic star delta starter for submersible pump set 3 phase 415 volts relay range 13-21 amps . make : l&t , ml1 . 5 fasdor equivalent in havells/crompton greaves/cutler hammer . , removing the unserviceable automatic star delta starter by disconnecting electric supply and fixing of new fully digital soft starter for submersible pump set 3 phase 415 volts relay range suitable for 20 hp submersible pump . make : l&t , cat no . csx-015-41 or equivalent in havells/crompton greaves/cutler hammer . , supply and replacing the burnt terminal block of 5 hp monoblock pump set all as specified and as directed . , 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 . make : l&t , mk-1 dol or equivalent in havells/crompton greaves/cutler hammer . , supply and replacement of 3 phase contactor , range 32a suitable for star delta starter . make : l&t/cutler hammer ml2 fasd or equivalent in havells/crompton greaves/cutler hammer . , all as per iltem no . 17 above but contactor range 25a . make:- l&t ml 1 . 5 fasd or equivalent in havells/crompton greaves/cutler hammer . , supply and replacement of 3 phase contactor suitable for dol starter . make : l&t/cutler hammer mk-1 dol . , supply and replacement of relay range 20-32 amps suitable for star delta starter ml-2 fasd . make : l&t/havells/cg . , all as per item no . 20 above but relay range 13-21 amps . make make : l&t/havells/cg . , s & f mcb tpn 63 a , 10ka including removing existing unserviceable . make : l&t/havells/standard . , s & f mccb tpn 63a , 16ka including removing existing unserviceable . make : l&t/havells/standard . , s & f mccb tpn 100 a , 25ka including removing existing unserviceable . make : l&t/havells/standard . , s & f mccb tpn 200 amps , 36ka , four pole breaking capacity fixed in existing panel including taking down existing unserviceable mccb complete at existing panels otm pump house . make : l&t/havells/standard . , taking out of existing defective ampere meter and replacing new digital ampere meter of capacity 0-100 amp existing . , taking out of existing defective volt meter and fixing of new volt meter 0-500 v . , taking out of u/s single phase preventor and fixing new single phase preventor for motor , current rating 10-32 amps . make : l&t & equivalent . , 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 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 . 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