SPECIAL REPAIR TO REPLACEMENT OF 06 CENTRIFUGAL PUMP AND 01 VT PUMP 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). Note : Copper cable of 50 Sqmm R,Y,B required to connect motor to starter panel (approx 60 RM) will be included in quoted rate.

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 100 feet for lifting of water upto the depth of 40 mtr (approx) 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 – 1480 RPM (v) Efficiency – 93.90% as per IE 3 (vi) Power factor – 0.89 (vii) Rated Current – 93.9 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. Note : Copper cable of 70 Sqmm R,Y,B required to connect motor to starter panel (approx 10 RM each run) will be included in quoted rate.

M/S N.K. POWER SYSTEMS AND PROJECTS (BID ID -3062587)

Ms Kamal Kant Agarwal (BID ID -3070821)

CHOPRA ENTERPRISES (BID ID -3053484)

VIJAY ENTERPRISES (BID ID -3060895)