REPAIR MAINTENANCE OF SUBMERSIBLE PUMP BOOSTER PUMP STARTERS AND CONNECTED WORKS INCLUDING WATER SUPPLY PIPE LINES AT SUNDERBANI AREA UNDER GE NORTH AKHNOOR

Amount

Taking down the 60 HP 3 phase 415 volt capacity motor from base plate/pump after disconnecting, and rewinding with super enamelled copper wire of best quality of existing size/guage and weight including replacement of insulation material ,varnish,bearing,connection plate and all other petty items required to make motor functional and reassembling the motor incl installation,commissioning and testing on full load all as specified and directed. Note: (i) Transportation charges from installation to contractor workshop and back after repair are deemed to be included in the quoted rate for above item (ii) Cost of nuts, bolts, washers,connection plate,greese lubrication to bearing bushes ets are deemed to be included and supply only bearings and terminal plates will be measured and paid separetly under respective items.

Taking down the 20 HP 3 phase 415 volt capacity motor from base plate/pump after disconnecting, and rewinding with super enamelled copper wire of best quality of existing size/guage and weight including replacement of insulation material ,varnish,bearing,connection plate and all other petty items required to make motor functional and reassembling the motor incl installation,commissioning and testing on full load all as specified and directed.

Supply only the following parts :- 60 HP motor bearings Make SKF/NBC

20 HP motor bearings Make SKF/NBC

Terminal plate with brass nuts, washers suitable for 3 phase 60 HP Motor

Terminal plate with brass nuts, washers suitable for 3 phase 20 HP Motor

Material and labour in replacement of LT Panel Board, indoor type of suitable size as per relevent IS, mounted on angle iron legs of size 40x40x6mm embedded in PCC 1:2:4 block type B-2 (using 40 mm graded aggregates) at pump house, floor mounting, dust and vermin proof, factory made (CPRI approved), fabricated out of 2 mm thick CRCA sheet suitable for 3 Phase, 415 Volt, 50HZ AC Supply, busbar chamber with aluminum busbar of suitable amp rating for 3 Phase and 4 wire system duly insulated with heat shrinkable sleeve as per colour, supported on epoxy insulator 01 set, common earth bus of 25mm x 4mm at bottom inside panel board with two earth terminal out side panel board, cable alley cable gland with independent plate at bottom and complete panel board painted with powder coating in grey colour all as specified & directed,The panel should be IS/IEC 61439-I- TTA. The Panel builder should submit Test Certificate along with GA drawing before executing the job. (Note: Panel shall be a front/rear opening with cable entry from the bottom). The panel shall include following:-

(a)MCCB 160 Amps,thermal adjustable and magentic setting having rupturing capacity 36 KA (Ics= 100% Icu) , TP, 415 volts, 50 Hz, along with Extended Ratory handle ,Spreader terminal and phase barrier - 01 No. (b) Supply, installation, testing and commissioning of Soft Starter 60 H.P. (c) Supply, installation, testing and commissioning contactors, relays, CT timers, for suitable rating having with ON, OFF , Trip Indicating Light, Push Buttons, Digital MFM along with contactor & semiconductor fuses with , Control Fuse etc fitted in Panel board for showing V, I, Hz, Pf all as specified and directed. Make of Panel: Make: Legrand/L&T/ABB.

Dismantling and Taking down centrifugal pumpset from platform and disconnecting suction and delivery pipe line and electrical connections, transport the same to workshop for repair and after repairing transporting the pumpset from workshop to site , installation at site connecting suction and delivery pipe and electrical connection complete all as directed by Engineer-in-charge for 220 HP pump capacity Note :(i) The rate is deemed to be included the cost of providing foundation nuts,bolts and washers gland packing, greasing,oiling and oil sheet gasket (ii) The spare parts will be measured and paid separately under relevant items of supply only.

All as per Srl item No. 5 above but of capacity 20 HP.

Supply only the following parts for incorporating in item for 60HP Capacity centrifugal pumpset Bronze impeller

casing ring

impeller ring brass nut

impeller key

coupling key

coupling rubber bushes

shaft sleeve(steel)

Bearing

Shaft(steel)

Brass bush

Gland bolt/nut

Supply only the following parts for incorporating in item for 20HP Capacity centrifugal pumpset Bronze impeller

casing ring

impeller ring brass nut

impeller key

coupling key

coupling rubber bushes

Shaft sleeve(steel)

Bearing

Shaft(steel)

Brass bush

Gland bolt/nut

Lifting the submersible pump from the existing bore hole/tube well for repairs complete including disconnecting electric connections from starter, disconnecting the water connections carefully by unscrewing the nuts, bolts, washers, rubber flanges etc and taking out the submersible pump set of capacity 12.5 HP with column pipes of size 80/100/150 mm bore and two runs of submersible cable and stacking properly for reuse and lowering complete in borewell after repair from workshop, rejointing each column pipe, submersible cable connection, testing, complete all as specified & directed. Note:- (i) Transportation charges from installation to contractor's workshop and back after repair are deemed to be included in the quoted rate for above item (ii) Cost of nuts, bolts, washers,connection plate,greese lubrication to bearing bushes ets are deemed to be included and supply only relevant parts of pumps and motors will be measured and paid separetly.

Supply only following parts for submersible pumpset (i) Impeller brass suitable for 12.5 HP

Stage bowl suitable for 12.5 HP

Bowl fixing steel nut and bolt for 12.5 HP

Bearing sleeve suitable for 12.5 HP

Bearing bush suitable for 12.5 HP

Neck ring suitable for 12.5 HP

Casing wear ring suitable for 12.5 HP

Shaft steel for 12.5 HP Pump

Strainer suitable for 12.5 HP

Stage gasket for suitable for 12.5 HP

Rewinding of AC 3 phase submersible motor of capacity 12.5 HP by cutting of burnt out winding,cleaning of starter slots, cleaning,bleaching of motor and rewinding with appropriate guage of copper winding wire complete including all required parts complete all asspecified and directed. Note Taking down of unsv parts and fixing the same with new ones will be taken under relevant items hereafter

Supply only the following parts of motor of submersible pumpset: Thrust bearing plate suitable for 12.5 HP

Motor bearing bush suitable for 12.5 HP

Assembly for coupling sleeve suitable for 12.5 HP

Drain plug for 12.5 HP motor

Sand guard for 12.5 HP

Key for thrust plate for 41HP

MCCB of capacity 250 Amps, 3 pole, 415volt, 50Hz, rupturing capacity 36 KA (minimum) or higher, AC, 50 C/S adustable type fixed in existing panel board including modification for new MCCB, all jointing/connecting materials and dismantling of old unserviceable MCCB, complete all as specified & directed. Make- Havells/L&T./ASCO

MCCB of capacity 160 Amps, 3 pole, 415volt, 50Hz, rupturing capacity 36 KA (minimum) or higher, AC, 50 C/S adustable type fixed in existing panel board including modification for new MCCB, all jointing/connecting materials and dismantling of old unserviceable MCCB, complete all as specified & directed. Make- Havells/L&T./ASCO

Taking down unsv Panel and accessories like burnt MCCB, bus bars and Supply, Installation, commissioning and testing LT panel outdoor cubical floor mounted channel type of size not less than (L=2 m x b=0.4mxh=1.2m) openable to front and back both side side made out of 2 mm thick CRCA sheet duly powder coated complete with bus bar size not less than 40x5mm rating made of Aluminium strip duly drillled holes for connections and mounted on epoxy based post insulators for 3 phase 4 wire 415 volts 50Hz power supply system suitable for and including the following. Make of panel Legrand, ABB , L&T Note:- Panel shall be as per IEC -61439 part I & II and TTA approved (A) INCOMER : i) MCCB DU 250 Amp 4 Pole 50 Hz 415 V with rupturing capacity 25 KA. -01 Nos as incomer Make L&T Cat part No CM90634OOPO Conforms to IS/IEC 60947-2 & IEC 60947-2 l Adjustable Overload Setting: 0.8 - 1.0 x In

Scrapping existing painting of pumpset of capacity 60 HP incl painting of steel base structure, exposed suction/delivery pipe, valve header complete with emery paper/ wire brush and repainting with two coats of synthetic enamel paint of colour approved by Engr-in-charge all as specified and directed. Make of paint ASIAN, BERGER

Scrapping existing painting of pumpset of capacity 20 HP incl painting of steel base structure, exposed suction/delivery pipe, valve header complete with emery paper/ wire brush and repainting with two coats of synthetic enamel paint of colour approved by Engr-in-charge all as specified and directed. Make of paint ASIAN, BERGER

Supply and fixing vinyl display board frame size 6'x4' showing schematic diagram of electric/water supply distribution network as sketch provided to be fixed on walls in installation all as specified and directed by Engr-in-charge.

Supply and fixing acrylic sheet display board frame size 3'x2' showing schematic diagram of electric/water supply distribution network as sketch provided to be fixed on walls in installation all as specified and directed by Engr-in-charge.

Material and labour for retro reflective installation sign board size 6ft x4 ft fabricated out of 1.6mm MS sheet frame welded/riveted with stainless steel pipe finished in square of size 25mmx25mm at 2.5m height from ground level on stainless steel finished pipe of size 50mm fixed with PCC 1:2:4 Type B-1 of block size 45cmx45cmx60cm.The board shall be painted in stove enamelled paint and the front and back of the frame shall be overall sheathed with blue colour base painter adhesive tape. The writting matter will be in English language on both sides with reflective adhesive painter tape all as specified and directed.

S&F GI tubing medium grade with all fitting in trenhes or fixed to wall including taking up/down old unserviceable GI tubing of following sizes:-

20 mm dia

25 mm dia

40 mm dia

50 mm dia

80 mm dia

M/s Mool Raj Romesh Chander