REPAIR/ MAINT OF CENTRIFUGAL / SUBMERSIBLE PUMPING SETS AND CONNECTED WORKS OF WATER SUPPLY AT NAMKUM AND KHOJATOLI AREA UNDER GE RANCHI

Amount

Taking out/Lifting up the submersible pumping set at any depth of borewell/open well including GI pipe of 80/50/40 mm dia complete all as directed and transportation of submersible pumping set 5 to 17.5 HP, 3 Phase from pump house at any location in Namkum area under AGE E/M Namkum Yard, transporting to contractors workshop

Lowering down the repaired /new submersible pumping set upto any depth of borewell/open well 5 to 17.5 HP including GI pipe of 80/50/40 mm dia complete all as directed and transportation of submersible motor upto 17.5 HP 3 Phase from contractors workshop to pump house at any location or at the place of borewell in Namkum/Khojatoli area

Taking out/lifting up and lowering down submersible motor pump of capacity 1.5 HP /2 HP including all pipes vertically laid in the borewell.

Dismantling and carrying out necessary repair/replacement of motor & pump including reassembling, testing and commissioning for satisfactory operation and rementling the subersible motor/pump after overhauling/repair of complete submersible pumping set of 1.5 / 2 HP including disconnection of electric and water connections with all worn out spares replace as required ie ball bearings, connection stage discharge as per following :- (a) cutting of old winding and rewinding with new copper winding (b) repair of warn out bushes (c) sleeves (d) cable gronment (e) Mechanical seal (f) Rubber diaphragm (c) coupler (g) impeller (h) bearing (i) coupler etc and all other parts of motor & pump and transporting it to contractor wksp and returning to MES store yard complete all as specified and directed

Dismantling and carrying out necessary repair/replacement of motor including reassembling, testing and commissioning for satisfactory operation and rementling the subersible motor after overhauling/repair of complete submersible pumping set of 17.5 HP including disconnection of electric and water connection s with all worn out spares replace as required ie ball bearings, connection stage discharge as per following (a) M&L Cutting out existing winding of stater of submersible motor of any make and rewinding with same size of copper winding wire as existing as directed by the Engineer-in-Charge. (Note : Cutting of existing copper winding and rewinding shall be done in front of AGE E/M / JE E/M and photographs for the same will must be provided ) (b) Straightening the slot of water of submersible motor of any make. (c) Replacement of thrust bearing block complete of submersible motor of any make. (d) Replacement of worm-out bushes of submersible motor as per manufactures design and specification. (e) Replacement of 6 sqmm submersible flat cable 3 Core of suitable size 4 Mtr long complete with suitable clips. (f) Replacement of sand guard. (g) Replacement of sleeves in end plate of submersible motor. (h) Repair/Replacement of cable gronment. (j) Replacement of mechanical seal. (k) Replacement of studs with nuts. (l) Replacement of spring with washer. (m) Replacement of Motor housing. (n) Replacement of steel coupler as per old sample. (o) Replacement of rubber diaphragm. (p) Replacemente of diffuser. (q) Remetlling of motor shaft, turning to bring it to original size and shape and plastering of shaft of submersible motor. (r) Painting of motor and transporting it back to site/store yard and testing to the entire satisfaction of Engineer-in-Charge.

All as per Item Srl No. 5 above but of capacity upto 7.5 HP.

All as per Item Srl No. 5 above but of capacity upto 5 HP.

All as per Item Srl No. 5 above but of capacity upto 25 HP incl lifting up and lowering.

All as per Item Srl No. 5 above but of capacity upto 60 HP incl lifting up and lowering down.

Dismantling and carrying out necessary repair/replacement of submersible pump upto 17.5 HP and lowering down of motor pump set with GI pipe and rope all as directed and transportation of submersible pumps upto 15 stage from pump house at any location in Namkum/khotatoli/ranchi area under AGE E/M Namkum Yard, transporting to contractors workshop, dismantling and carrying out necessary repairs/replacement of pumps/testing as the following :- (a) Replacement of coupling of submersible motor pump key. (b) Replacement/repair of shaft sleeves (c) Balancing of pump shaft and cutting of key slots. (d) Minor repairs of bowel assembly. (e) Re-threading of worn-out studs holes and providing over size studs with nuts. (f) Replacement of bowels bushes. (g) Replacement of neck ring. (h) Replacement of steel distance pieces. (j) Replacement of impeller. (k) Replacement of bowel. (l) Replacement of head extension. (m) Replacement of bearings (m) Painting of pumps and transporting it back to site/store yard and testing to the entire satisfaction of Engineer-in-Charge. (o) replacement of rubber sand gaurd

All as per Item Srl No. 10 above but of capacity upto 7.5 HP.

All as per Item Srl No. 10 above but of capacity upto 5 HP.

All as per Item Srl No. 10 above but of capacity upto 25 HP incl lifting up and lowering

All as per Item Srl No. 10 above but of capacity upto 60 HP.

S&F PVC insulated submersible cable water proof flat type 3 core with stranded copper conductor cable, 6 Sqmm, 1100 Volts grade inculding cable lugs/joints, connection to submersible motor and other end to aluminium amoured cable including jointing complete as directed. Make: Havell's / Polycab Gloster.

All as per Item Srl No. 15 above but of 4 Sqmm, 1100 Volts submersible cable.

S&F MS/GI Borecaps of size 250 mm dia complete all as directed by Engineer-in-Charge.

M&L Submersible pump, electric driven 415 V, 2900 RPM, three phase suitable for 200/250 mm dia bore well (Casing pipe size 200/250 mm) supply and Install complete 7.5 HP, head range 130-54M, discharge range 135-380 LPM including all connected items complete all as specified and directed

M&L Submersible pump, electric driven 415 V, 2900 RPM, Three phase suitable for 200/250 mm dia bore well (Casing pipe size 200/250 mm) supply and Install complete 5 HP , head range 65-27M, discharge range 135-380 LPM inclusive all connecting items complete all as specified and directed

Replacement of old rusted GI Column Pipe heavy grade of size 80 mm dia flanged type in the bore/open wells incl all connected fittings complete all as specified and directed.

All as per Item Srl No. 21 above but of 50 mm dia.

S&F of steel rope in submersible bore wells from motor to top edge of the bore well of size 6 mm dia (Multi wire stainless steel) for holding of submersible pump motor set all as directed by Engineer-in-Charge.

M&L GI flange joints with rubber gasket or 3 mm thick chemically treated compressed including suitable size bolts, nuts and washer complete as directed of size 80 mm dia.

All as per Item Srl No. 24 above but of size 50 mm dia.

S&F MS work as/or holding MS clamps on tube well for delivery/column pipe, fabricated out of flat iron section as directed, made to shape drilled fixed with suitable size of MS bolts, nuts, washers etc including fittings like iron angle, tee, bend, stud nut bolt, Y junction etc and one shop coat of red oxide primer, after preparation of surface complete all as directed.

Flushing/cleaning of bore well including taking out and lowering of new /repaired submersible pump set of any size (5 HP to 17.5 HP), 3 Phase 400/415 Volts in 200/250 mm size tube well upto existing depth of bore comprising following nature of work:- (a) Dip connecting existing pipe connection in any size and removing electric connection. (b) Errection of tripod/chain pulley lock at site. (c) Unscrewing the submersible pump and removing the same at site for relowering. (d) Transporting the trolley mounted DTH machine at site for flusing the bore well/further boring if required. (e) Flushing the bore hole through compressor operating 120 PSI after lowering the rig in length 1.5 Mtr x 80 Nos continously till clear water is obtained not less than 8 hrs.

M&L for dismantling the power supply of electric motor any type including dismantling from pump and taking to workshop with necessary transportation and opening the complete motor and rewinding the rotor with super enameled copper wire as per the existing guage with necessary insulation, sticks and varnishing, including replacement of shaft bearing of shaft and replacement of bearing 02 Nos and motor terminals plate/cable ducts, incl replacement of fan, fan cover and minor repair of stater complete of capacity 100 HP including two coat of synthetic enamel painting complete all as directed including reassembling, testing and commissioning for satisfactory operation. Note : Cutting of copper winding of motor and rewinding shall be done in front of AGE E/M /JE E/M.

All as per Item Srl No. 28 above but of capacity 40 HP electric motor any type.

All as per Item Srl No. 28 above but of capacity 20 HP electric motor any type.

All as per Item Srl No. 28 above but of capacity 7.5 HP electric motor any type.

All as per Item Srl No. 28 above but of capacity 1 to 1.5 HP electric motor/booster pump any type.

M&L dismantling complete Centrifugal/Mono Block Pump set of any type and overhauling the pump re-threading of wornout holes of studs and providing over size studs with nuts and washers. Remantlling and balancing of shaft, replacement of Copper/gunmental bush (as per existing), replacement of impleller, repair of suctionhead, delivery head incl replacement of all bearing (radial /thrust bearing) type 6309/6307/6307C etc, gland packing (12/8 mm) & mechanical seal of pump set and refitting the same after the repair all as specified capacity 100 HP including two coat of synthetic enamel painting, SM No writings etc complete with base etc all as directed.

All as per Item Srl No. 33 above but of capacity 40 HP.

All as per Item Srl No. 33 above but of capacity 20 HP.

All as per Item Srl No. 33 above but of capacity 7.5 HP.

All as per Item Srl No. 33 above but of capacity 1 to 1.5 HP.

M&L Cement concrete (1:4:8) Type D-2 using 40 mm graded stone aggregate as in foundation filling and mass concrete, all as specified and as directed.

Removing excavated material n.exc 50 m and depositing where directed at a level n.exc 1.5m above the starting point, all as specified and as directed.

Excavation in trenches, n.exc. 1.5 m wide and n.exc 1.5m in depth for foundation and getting out in soft/loose soil, all as specified and as directed.

Demolition of cement contrete in ground floors and paving n.exc 15 cm thickness (below or above ground level), all as specified and as directed.

M&L in repairs gun metal gate or/glove valvewith iron wheel head(ISI marked) screwed both ends for iron pipe and fixed of size 15mm bore complete all as specified and directed

All as per item No 42 above but of size 20mm bore

All as per item No 42 above but of size 25 mm bore

All as per item No 42 above but of size 40 mm bore

All as per item No 42 above but of size 50 mm bore

S& F GI Tubing Medium grade ISI marked incl all fittings laid in trenches/fixed on wall of sie 15mm bore complete all as specified and directed

S& F GI Tubing Medium grade ISI marked incl all fittings laid in trenches/fixed on wall of sie 20 mm bore complete all as specified and directed

S& F GI Tubing Medium grade ISI marked incl all fittings laid in trenches/fixed on wall of sie 25mm bore complete all as specified and directed

S& F GI Tubing Medium grade ISI marked incl all fittings laid in trenches/fixed on wall of sie 40 mm bore complete all as specified and directed

S& F GI Tubing Medium grade ISI marked incl all fittings laid in trenches/fixed on wall of sie 50mm bore complete all as specified and directed

S& F GI Tubing Medium grade ISI marked incl all fittings laid in trenches/fixed on wall of sie 80mm bore complete all as specified and directed

Taking up or down GI tubing and connection and stacking neatly for reuse and removing the balance material from site of size 15 mm bore complete all as specified and directed

All as per item No 53 above but of size 20mm bore

All as per item No 53 above but of size 25 mm bore

All as per item No 53 above but of size 40mm bore

All as per item No 53 above but of size 50mm bore

All as per item No 53 above but of size 80mm bore

S&F MCCB four pole 415 Volt 50 Hz 250 Amp of capacity 36/25 KA (AS PER EXISTING) adjustable type complete with all accessories.

S&F MCCB four pole 415 Volt 50 Hz 400 Amp of capacity 36 KA adjustable type complete with all accessories.

S&F MCCB four pole 415 Volt 50 Hz 100 Amp of capacity 16 KA adjustable type complete with all accessories.

S&F MCCB four pole 415 Volt 50 Hz 160 Amp of capacity 16 KA adjustable type complete with all accessories.

S&F MCCB four pole 415 Volt 50 Hz 63 Amp of capacity 16 KA adjustable type complete with all accessories.

Dismantling and repair of starter panel/LT panel of centrifugal motors of any capacity complete all as specified and directed. Note : material used/replaced in panel will be measured and paid seperately.

S&F in replacement of 3 Ph, Star delta starter panel consisting of sheet metal enclosure with Ammeter, voltmeter, suitable MCB, Push buttons & RYB indicator, relay, timer etc for capacity 7.5 HP complete all as specified and directed

All as per item no 65 above but of capacity upto 20 HP

S&F in replacement of DOL Starter 3 Ph for capacity suitable upto 5 HP submersible motor pump complete all as specified and directed

S&F in replacement of DOL Starter 3 Ph for capacity suitable for 7.5 HP submersible motor pump complete all as specified and directed

S&F Dry run and over load protection with phase failure relay as per existing (sample) alongwith suitable CTS-01 Set and single phase preventer for complete all as specified and directed

For 100 HP Star delta starter panel

For 40 HP Star delta starter

For 20 HP star delta starter

S&F Surge protector of suitable rating (as per existing) 3 ph 4 wire base 415 Volts AC for panels complete all as specified and directed

S&F contactor suitable for starter panel as per (sample) existing for motor pump at Namkum and Khojatoli water supply installations complete all as specified and directed : Make : HPL, Havells or equivalent approved in command list must fit to the existing place.

For 100 HP Star delta starter panel IC-225a

For 40 HP Star delta starter panel IC-100a/95A

For 20 HP star delta starter panel IC-50a

S&F Copper bus bar of proper rating in Amps as per existing (Sample) busbar with suitable thickness for fixing in LT Panel in replacement of damaged bus bar complete all as specified and directed

S&F PVC insulated copper conductor armoured cable as required for connection/fixing in LT/starter panel incl nut bolt, thimble etc complete all as specifed and directed

(a) 50 Sqmm single core

(b) 25 Sqmm single core

(c) 16 Sqmm single core

(d) 10sqmm single core

S&F PVC insulated copper cable 6 sqmm as required for connection/fixing in LT/starter panel complete all as specifed and directed

S&F PVC insulated copper cable 4 sqmm as required for connection/fixing in LT/starter panel complete all as specifed and directed

S&F Current transformer (CT) as per existing (sample) rating suitable for electrical starter panel complete all as specified and directed

S & F Suitable Add-on Auxilary Block for contactor (as per existing sample) (1No 1NC)/(2NO 2 NC) for star delta starter panel or other panels.

S&F in replacement of RYB indicator required for LT panel or starter panel for centrifugal/submersible pumps at Namkum and Khojatoli water supply installations.

S & F push buttons (set of green and red) with 2 NO 2 NC three phase suitable for starter panel complete all as directed.

S&F Electronic adjustable cyclic timer for star delta starter panel as per existing (sample) at Namkum and Khojatoli water supply installations complete all as specified and directed

S & F in replacement of centrifugal pump suitable for 100 HP motor ,suc/delivery 150 x 200mm, 1450-1500 RPM, upto 2 stage, split casing, discharge greater than equall to 205 cum , head range 75-80m, CI impeller incl PCC foundation, frame work connected and fixed in the original position and make the system functional by reducing/increasing the suc/delivery head as per existing incl dismantling old one complete all as specified and directed buy Engr-in-Charge. Old pump will be deposited in the MES store yard. All other fitting as bend, elbow flanges etc and cutting threading, welding work reqd will be included in the quoted rate Make : Crompton Greaves/ KIRLOSKAR/ JYOTI/ KSB/BEACON

THE SUVASH AND SONS (BID ID -3135045)

BHARATI ENTERPRISES (BID ID -3142860)