SPECIAL REPAIR TO REPLACEMENT OF VT PUMPS (02 NOS) AND CENTRIFUGAL PUMP (06 NOS) WITH ALLIED SERVICES AGAINST BER UNDER GE (WEST) MATHURA

Amount

Supply, installation, testing, alignment and commissioning of centrifugal pump set, electrical driven of discharge capacity of pump 30 to 35 Ltr/Sec at 60 Mtr head coupled with three phase 415 VAC, 50 Hz induction motor of capacity 50 HP suitable for existing size of suction pipe of 125 mm & discharge/delivery size of 100 mm duly mounted on MS base frame including suitable Nos of AVM pads coupling guard, complete removal of old PCC foundation and grouting in new PCC 1:2:4 foundation as per manufactuer recommendation with following make and technical specifications:- Centrifugal Pump Make - Kirloskar Model No DSM 100/36 or equivalent in Crompton Greaves, Bharat Bijlee, Wilo Mather Platt Induction Motor Make - Kirloskar Model No Frame - RC225SM or equivalent in Crompton Greaves, Bharat Bijlee, Texmo, Siemens, NGEF, ABB Cont/-

Cont/- Centrifugal Pump Specifications: The technical data shall be all as specified below comprising of the following:- (i) Casing: Horizontal axially split volute type, suction and discharge nozzles and supporting feet cast integral with lower half casing. (ii) Impellers: Enclosed type accurately balanced impellers are placed back to back to balance axial thrust load. (iii) Shaft: The high tensile steel shaft accurately machined and ground is supported by antifriction bearings. The shaft is protected by shaft sleeves from wear in stuffing box area. (iv) Stuffing Box: The stuffing box can be sealed by gland packing or by mechanical seal and is suitable for liquids having temperature up to 90 degree centigrade. Cont/-

Cont/- (v) Bearings: Deep groove ball/roller bearings are provided. Standard lubrication is grease. (vi) Direction of Rotation: Clockwise viewed from driving end. (vii) Drive: Suitable for coupling with electric induction motor. (viii) Flanges: Standard drilling as per BS 4504 Table 16/11. (ix) Impellers: Enclosed type accurately balanced impellers are placed back to back to balance axial thrust load. Cont/-

Cont/- Induction Motor Specifications: The technical data shall be all as specified below comprising of the following:- (i) Type of Motor - 3 Phase squirrel cage induction moto suitable for 415 Volt ( ± 10 %), 50 Hz (±5%), combined variation 10 %, insulation class F with temperature rise 70º C, degree of protection IP-55, Duty - S 1, Efficiency class conforms to IS 12615, IEC 60034-1 & testing according to IEC 60034-2-1. (ii) Power - 50 HP/37 KW (iii) No of Pole - 4 (iv) Speed - 1479 RPM (v) Efficiency - 93.90% as per IE 3 (vi) Power factor - 0.89 (vii) Rated Current - 62.0 Amp (viii) Enclosure type - TEFC (Totally Enclosed Fan Cooled).

Supply, lowering, lifting, alignment, testing and commissioning of vertical turbine pump 227 CuM/Hr or 50,000 Gallon/Hr at 60 Mtr head, electrical driven coupled with vertical hollow shaft (VHS) three phase induction motor of capacity 75 HP, 415 V AC, 50 Hz with following technical specifications:- Vertical turbine pump Make - WPIL (Worthington Pump India Ltd) Model No WVT26-12/5 or equivalent in Flowserve, Xylem, Kirloskar, Crompton Greaves, Bharat Bijlee, Wilo Mather Platt Induction Motor Make – Kirloskar Model No Frame - SVH 250 or equivalent in, Crompton Greaves, Bharat Bijlee, Texmo, Siemens, NGEF, ABB, Jyoti Cont/-

Cont/- Vertical Turbine Pump Specifications:- The technical data shall be all as specified below comprising of the following:- (i) Bowl Assembly:- The intermediate bowls, discharge cases and suction bowls shall be flanged type constructed from close grain cast iron, and shall conform to ASTM A48, class 30, internally porcelain coated, externally coated with backed epoxy. (ii) Impellers:- Zinc free bronze, diffuser and casing are designed to deliver the required head and capacity as efficiently as possible. The impellers shall be produced by casting method and shall be of the enclosed type. They shall be free from defects, machined and accurately balanced and placed back to back to balance axial thrust load for optimum efficiency and performance. Cont/-

Cont/- (iii) Shaft:- The shaft material shall be constructed from stainless steel ASTM A582 type 416. It shall be precision machined and straightened with tolerance limit. (iv) Stuffing box:- The stuffing box shall be ductile iron, ASTM A536 class 65, rated at 250 psi or an optional balanced mechanical seal. It shall have an available fitting for pressure relief. The packing follower gland shall be 201 stainless steel and secured in place by stainless steel studs and nuts. The packing box bearing shall be bronze B-505-836. A rubber water slinger shall be provided to operate on the top shaft, above the packing gland. (v) Bearing retainers: SS-316 stainless steel bearing retainers, also known as spiders, shall be furnished for shaft stabilization at each column pipe coupling. A rubber fluted line shaft bearing, retained with a shoulder at each end, shall be installed in each bearing retainer. Cont/-

Cont/- (vi) Suction Strainer:- A manufacturer basket strainer of a suitable size shall be provided and attached to the pump suction with stainless steel fasteners. Galvanized strainers are not acceptable. (vii) Drive:- Suitable for coupling with electric induction motor. (viii) Length of MS column Pipe assembly flanged type (8.0 inch dia, thickness not less than 7.0mm) should not be less than 43 mtr for lifting of water upto the depth of 40 mtr (approx) (ix) including MS frame for fitting vertical turbineof suitable size recommended by OEM or as per sample provided by the department. Cont/-

Cont/- Induction Motor Specifications:- The technical data shall be all as specified below comprising of the following:- (i) Type of Motor – Vertical hollow shaft (VHS) three phase induction motor suitable for 415 volt (¬+10%), 50 Hz (¬+ 5 %), combined variation 10 %, insulation class F with temperature rise 70º C, Duty – S1, conforming to IS 325, Efficiency class conforms to IS 12615, IEC 60034-1 & testing according to IEC 600324-2-1. (ii) Power – 75 HP/55KW (iii) No of Pole – 4 (iv) Speed – 1470 RPM (v) Efficiency – 90.5% (vi) Power factor – 0.89 (vii) Rated Current – 96 Amp (viii) Enclosure type – IP 23 (ix) Bearing suitable to bear thrust load of 2860 Kgs: (a) Top side – Oil Lubricated, bearing No 2932E. (b) Bottom Side – Grease Lubricated, bearing No – 6316 (x) Direction of Rotation – Anti clock wise viewed from top of Motor.

Dismantling & taking down of wornout/unserviceable Centrifugal pump carefully from foundation & pipe and depositing the same to AGE E/M Store complete all as specified and directed.

Dismantling & taking down of wornout/unserviceable Vertical turbine pump and accessories carefully from Radial well depositing the same to AGE E/M Store complete all as specified and directed.

Supply & fixing in replacement of worn out starter with fully automatic star delta ( FASD) starter/controller suitable for 75 HP, 3 phase, 415 volt AC, AC-3 duty induction motor in sheet steel enclosure with IP 54 protection to changeover from star winding to delta winding with the help of electronc timer, having ON/OFF operation and overload protection with additional features like Auto ON (with 30 sec ON Delay), indications of supply ON/OFF and pump ON/OFF, reading of real time voltage & current of pump with unique dual analog meter, single phasing protection relay (SPPR), relay range 66 to 110 Amp, wide band coil operation from 65% to 110% of rated coil voltage - 380/415 Volt, phase-reversal protection, phase-unbalance protection, variable time-delay adjustment inside controller complete in all respect and conforming to IS/IEC 60947-4-1 standards complete all as specified and directed.

Supply & fixing and testing in replacement Cast iron Rising spindle sluice valve with iron wheel flanged ends including nut and bolts as per IS 14846 Body Cover-CI IS:210, Gr FG260 Door CI IS:210, Gr. FG260 Body ring-Bronze IS:318 Gr. LTB2 Door Face Natural Rubber Hinge Pin -SS ASTM A276 Type 410 Fastners-CS IS:1367, CL-4.6/4.0 Gasket Natural Rubber Flange Drilling -IS:1538 PN 1.6 of size 400 mm complete all as specified and directed by Engineer-in-charge.

Supply & fixing and testing in replacement Cast iron Rising spindle sluice valve with iron wheel flanged ends including nut and bolts as per IS 14846 Body Cover-CI IS:210, Gr FG260 Door CI IS:210, Gr. FG260 Body ring-Bronze IS:318 Gr. LTB2 Door Face Natural Rubber Hinge Pin-SS ASTM A276 Type 410 Fastners-CS IS:1367, CL-4.6/4.0 Gasket Natural Rubber Flange Drilling -IS:1538 PN 1.6 of size 200 mm complete all as specified and directed by Engineer-in-charge.

Supply, laying and testing in replacement (in trench/open) MS Pipe including fitting and nuts, bolts 400 mm Heavy class IS:1239, 6mm thick flanged ends all as specified and directed by engineer-in-charge.

Supply, laying and testing in replacement (in trench/open) MS Pipe including fitting and nuts, bolts 125 mm Heavy class IS:1239, 6mm thick flanged ends all as specified and directed by engineer-in-charge.

Supply, laying and testing in replacement (in trench/open) MS Pipe including fitting and nuts, bolts 100 mm Heavy class IS:1239, 6mm thick flanged ends all as specified and directed by engineer-in-charge.

Supply, fixing and testing in replacement of CI foot valve 125 mm ISI Marked, PN 1.6 complete all as specified and directed by Engineer-in-charge.

Supply, fixing and testing in replacement of CI non return valve 100 mm ISI Marked, PN 1.6 complete all as specified and directed by Engineer-in-charge.

Supply & fixing and testing in replacement Cast iron Rising spindle sluice valve with iron wheel flanged ends including nut and bolts as per IS 14846 Body Cover-CI IS:210, Gr FG260 Door CI IS:210, Gr. FG260 Body ring-Bronze IS:318 Gr. LTB2 Door Face Natural Rubber Hinge Pin-SS ASTM A276 Type 410 Fastners-CS IS:1367, CL-4.6/4.0 Gasket Natural Rubber Flange Drilling -IS:1538 PN 1.6 of size 100 mm complete all as specified and directed by Engineer-in-charge.

M & L for making pumping header made of (approx length 18 m) with 400 mm bore MS flanged pipe, Heavy grade comprising the following :- (i) Provision of 5 Nos outgoing flanged ends distribution feeder/by pass pipe feeder suitable for 200 mm bore in a length of approx 9 mtr 400 mm bore MS Pipe and 06 Nos 100 mm incomer with flanged ends in approx 9 mtr MS pipe of size 400 mm including all fitting both the pipe will be connected by flanged ends Tee of 400 mm size. (ii) PCC foundation in CM 1:2:4 type B-2 using 20 mm graded aggregate for support of header pipe as per manufacturer specification. Note :- (1) Sluice valve of any size required to be fixed in Header will be measured and paid separately under respective item of BOQ. (2) Distribution/Bypass pipe lines 100 from header mm will be measured and paid separately under respective items of BOQ.

Excavation in trenches not exc 1.5 mtr wide and not exc 1.5 mtr in depth for foundation etc, or for shafts, wells,cesspits, main holes, pier holes etc not exc 10 sq mtr on plan and not exc 1.5 mtr in depth and getting out in soft/loose soil complete all as specified and directed.

Returning, filling including spreading, levelling, watering and well ramming in layers not exc 25 cm thick soft/loose soil complete all as specified and directed.

Removing excavated materials not exc 50 mtr and deposited where directed at a level not exc 1.5 mtr above the starting point, complete all as specified and directed.

Ms Kamal Kant Agarwal

PARAS BROTHERS