AGE (I) N-32 OF 2023-24 DEVELOPMENT AND LOW YIELD BOREWELL AND OTHER MAINT AND MISC WORKS OF BOREWELL RISING MAIN OF PIPE LINE

Amount

M& L for taking out submersible pump/motor from any location borewell of any depth by disconnecting electric connection of submersible cable from outdoor panel,and taking out submersible pump/motor by using Tripod stand & chain pulley set complete all as directed alongwith taking out of entire column pipe length of any dia alongwith submersible cable, SWR rope from bore well any depth complete and redeploying of pump/motor alongwith column pipe,SWR rope, submersible cable etc by taking all necessary precautions including replacement of nuts,bolts and washers complete with rubber gasket of column pipe joints , joining of column pipes and rendering the entire setup functional after reconnecting to outdoor panel and testing thereof including lowering the submersible pump after repair with adopting the above procedure . (Note:- 1. The taking up and redeployment of pump/motor is meant for enhancement of bore wells, replacement of submersible cable,replacement of column pipe,or repair/replacement to pump/motor and all as jobs as mentioned will be measured and paid seperately in respective items. 2. Proper care should be taken while taking up or redeploying of pump/motor with colum pipe from bore wells. All T&P and clamps, nuts/bolts required is inclusive of rates and any damage to borewell while execution of work shall be the responsibility of contractor and he shall be liable for rectification or provision of new bore well if existing one gets damaged due to negligence while execution of job.

M&L for Re-development of borewells by means of air compressor of capacity (not less than 600 cu.feet/minute) followed by high capacity pump to its optimum yield till clear water of portable quality free from sand and silt is obtained including draw down performance and yield test of tube well complete all as specified and directed by Engineer-in-charge. (Note-compressor shall not be less than 75 BHP or above capacity pumping set equipment for testing yield shall be used)

M&L for Testing (Conducting yield test with" V" notch) by means of pumping set of suitable capacity for continously pumping for 16 hours running to determine safe pumping yield complete all as specified (All equipments etc shall be arranged by contractor at his own cost)

M&L for complete rewinding & complete repairing including replacement of weared and broken parts of electric submersibe motor of 3 phase , 415 volts 50 Hz of 10/12.5 HP capacity with super enameled copper wire of superior quality as per existing gauge including vanishing, insulating material complete all as directed and greasing, oiling etc and including reassembling fixing in position making connection testing, commissioning & transporting complete. Note :- rewinding shall be done with gurantee during the contract period. Any defects after rewinding shall be rectified by the contractor at his own expanses.

M&L for complete rewinding of electric centrifugal pump motor of 3 phase , 415 volts 50 Hz of 12 HP to 15 HP capacity with super enameled copper wire of superior quality as per existing gauge including vanishing, insulating material complete all as directed and greasing, oiling etc and including reassembling fixing in position making connection testing, commissioning & transporting complete. Note :- rewinding shall be done with gurantee during the contract period. Any defects after rewinding shall be rectified by the contractor at his own expanses.

M&L for complete rewinding of electric centrifugal pump motor of 3 phase , 415 volts 50 Hz of 7.5 to 10 HP capacity with super enameled copper wire of superior quality as per existing gauge including vanishing, insulating material complete all as directed and greasing, oiling etc and including reassembling fixing in position making connection testing, commissioning & transporting complete. Note :- rewinding shall be done with gurantee during the contract period. Any defects after rewinding shall be rectified by the contractor at his own expanses.

Dismantling monoblock pump set centrifugal type 5 HP, AC, 3 phase, 415 volts from site after disconnecting of electric connection, suction and delivery line, taking out to work shop, opening of motor, taking out old worn-out / burnt-out winding complete, cleaning the slots properly and rewinding with supper enamelled copper wire as per existing gauge and varnishing complete, dismantling pump set for overhauling, replacing u/s shaft sleeve, gland packing, bush, water seal, applying grease etc and reassembling the complete pump after repairs and replacement of parts as required, refixing the same at site incl. electric and piping connections etc, checking for satisfatory working all as directed by EIC. Note : rewinding shall be done with gurantee during the contract period and any defects after rewinding and servicing of motor shall be rectified by the contractor at his own cost.

Supply, lay , connecting PVC insulated submersible copper cable 3 core, 6 Sqmm, woking voltage 1100 Volts complete all as specified and directed.

Supply and fix in coloum pipe in tubewells, 80mm bore 6 Mtr long galvanized tubing Heavy grade with both ends screwed and fixed with flanges and holed drilled, groves cut for cables flanges 10mm thick, welded to pipe MS flats 20mm x 6mm thick 150mm long to flange including nut bolts and 2 Nos of rubber gaskets (length at each coloum pipe 6 mtrs long) and ISI marked etc all complete all as specified and directed by Engineer-in-Charge

Supply and fix in replacement Fully automatic star delta starter panel mounted of cap 15 HP in sheet metal enclosure type MN/ML suitable for motor rating AC-3 duty, 415V, 50Hz, 3-Phase, relay capacity 30-50A complete all as specified and directed. Make: -L&T cat part No. SS94021 / Seimens / Havells or equivalent as specified in list of make.

A N BUILDERS

SHRI RAM CONSTRUCTION CO