Improvement and Augmentation of LWSS Dhamrol in Tehsil Bhoranj Distt Hamirpur

Amount

Providing horizontal spindle horizontal split casing/end suctions (back full out arrangement) single/double/ multistage centrifugal pump of recommended make such as Mather and Platt/KSB/Kirloskar as per BIS:1520-1980 with up to date amendments, read with BIS: 9137-1978 or latest edition suitable for lifting Clear water for under mentioned characteristics with bronze impellers/priming funnels, casing ring and shaft sleeves of bronze, shaft of steel grade EN-8 with cast iron casing coupled directly through a flexible coupling on a MS/Cast steel base plate ( base plate to be from the manufacturers of the pumping unit only) to squirrel cage screen protected drip proof induction motor of standard make such as Kirloskar/Crompton/NGEF and suitable for operation on 400 (+)/-) 10% volts, 50 cycles/second, 3 phase AC electric supply. The power of electric motor should be at least 10% in excess of the maximum power required by the pump in the operation range of (+) 10% and (-) 15% of the duty point head. The motor should be as per BIS: 325-1978 with up to date amendments read with IS: 900-1972. It should include cost of bearing nuts, bolts and pointing etc. and should meet the following requirements:- Pumping set complete i/c allied accessories.

Discahrge (Q) : - Total 12.54 LPS of each Pump Or 45.14 Cum/Hour

Total dynamic head : 151.10 Mtr.

(a) LWL in sump well (h) : 805.8Mtr.

(b) Shaft level : 800.8Mtr

(c ) Level at discahrge point : 928.00 Mtr.

(d) Suction lift : (+ve) Mtr.

(e) Residual head :3.00 Mtr.

(f) Static head :127.2 Mtr.

(i) Rising Main :

(a) Length 1500.00 Mtr.

(b) Dia. :125mm

(iv) Pumping Hours :8.00 Hours

(v) Altitude of installation above MSL :800.00

(vi) Characteristics of water :

(a) Temperature : 0 C

(b) Ambient temperature 0 C

(c ) Turbidity < than 50 PPM

(d) Alkalinity Mg/Ca Co3

(e) Size of the solids mm

(f) Other

Providing ICTP Main Switch with HRC fuses/Side handled operated Change over switch of L&T/Crompton/Standard/Havells make suitable capacity Operational rating as per BIS: 4064 -1978 with up to date amendments immediately after the power meter of HPSEB.

Providing M.S. sheet, steel fabricated floor mounted closed ( Almirah type) switch board including angle iron post of suitable height and size ISA 40x40x6mm, duly painted, with steel sheet of 16 gauge comprising, capable of mounting the following accessories with all internal connections:-

M.C.B of MEI/Kilburn/Jyoti/L&T/ABB of make of suitable capacity on incoming feeder with or without initial oil filling as the case may be with neutral linked under voltage releases as per BIS: 2516 -1985 with up to date amendments with.

E.L.C.B. of Havell/MDS/INDETEC/L&T make as per IS: 2516 -1977 with upto date amendment which should have control box operating handle and trip/reset bush button on/off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet thermal release with metallic tape etc. It should also be lifted with earth fault for tripping of breaker on occurrence of earth fault on off breaker load side end.

The voltage monitor relay of L&T/AE/Rishav make three phase with all protection and usual indicator and electric siren against single phasing low voltage, high voltage, reverse phasing, over loading and phase voltage difference as per IS: 3842 ( Latest edition).

Power factor meter of AE/L&T /Rishav make as per relevant IS codes with up to date amendments of suitable rating.

Frequency meter of AE/ L&T /Rishav make as per relevant IS: Codes with up to date amendments of suitable rating.

Bus bar chamber with copper strips having three bars of suitable rating for full length equal to the width of the board for three live phases and suitable for induced current, one copper bar of half the rating of full length for neutral phase as per IS: 8084-1976 and IS: 11353-1985 read with BIS 5578-1985 with up to date amendments Suitable capacity.

ICTP switches with HRC fuses of L&T/ Standard/Havells make and of suitable capacity as per BIS: 4064 -1978 with up to date amendments.

Three phase indicator lamps complete with toggle switches for individual motors as per BIS: 3452 -1966 with up to date amendments.

Capacitor of L&T/Bajaj/Assian/Crompton make as per IS:2834-1986 with up to date amendments to raise the power factor at site to 0.95 for direct connections to induction motor individually of required KVAR rating according to HP offered including cables as per relevant ISI code ( of Siemens / Glocter /IEC make) from bus bar chamber to capacitor and also including ICTP switches of appropriate range as per IS: 4064-1978 with upto date amendments.

Providing Suitable fully Automatic Star delta Starter of MEI/Kilburn/ABB/L&T/Schneider make as per IS:8544-1979 with upto date amendments for squirrel cage motor mounted on panel board with magnetic type overload release and dashpot time lag, under voltate release with or without initial oil filling as the case may be with single phase preventor as per IS 1248 (P-V)-1983 with upto date amendments.

Providing Hour run meter of recommended make of suitable capacity as per IS: 722 (Latest edition)

Providing double flanged Cast iron sluice valve of Leader/Kirloskar make of 125 mm dia for the suction pipe and capable of withstanding the normal seat pressure of 10.20 kg/cm2 as per IS: IS : 780 - 1984 (class -PN-1.0) with up to date amendments.

Providing double flanged Cast steel sluice valve Leader/Kirloskar make and size one dia higher than pump for the delivery line of the pump and capable of with standing the normal seat pressure and as per IS: 1414 /API-600, class ASA-150 with up to date amendments.

Providing double flanged (Swing type) Cast steel reflux valve of Leader / Kirloskar make and one dia higher than pump having bye pass arrangement on the delivery line of pump and capable of with standing normal seat pressure as per BS 1868/API-600, class ASA 150 with up to date amendments .

Providing double flanged Cast steel non return valve of Leader/ Kirloskar make and of 125 mm dia having bye pass arrangement for rising main and capable of with standing normal seat pressure as per BIS –1868/ API-600 class-300 with up to date amendments.

Providing 100mm dia. circular dial pressure gauge of Fiebig make complete with all accessories such as stop cock, copper tubing etc. as per IS: 3624-1987 with up to date amendments range 0-52 Kg/cm2

Installation of all the items appearing at Serial No. 1 to 8 as per the systematic drawing attached with the tender documents ( Drg.No.1)

Providing and fixing double flanged G.M.S.piping work layout to be approved by the Engineer-in-Charge for suction and delivery pipes suitable to pump(s) offered and common header as per the rising main respectively complete with all specials such as bends ,tees reducers/ increasers with companion flanges matching with the relevant specifications of the accessories as indicated in the drawing No.2 including rubber/asbestos gasket of minimum 3mm thickness as per BIS 2712-1979 and required number of nuts and volts as per IS: 1364-1983. The pipes shall be as per relevant IS Code and to withstand 1.50 times total head stipulated under item No.1.

The size of the various components to be as under:-

(i) Suction pipe 125mm dia Min. length = 15mtrs.

(ii) Delivery pipe 80 mm dia Min. Length = 5 Mtrs.

(iii) Common Header 125 mm dia Min Length = 10 Mtrs,.

And will extend upto 5 meters from the outer wall of the pump house in the direction to be jointed.

Providing and laying copper PVC insulated armoured power cable ( one cable carrying all the three phases) of suitable size and capacity to and all other electrical equipments as per IS: 1554 (P-I)1988 or latest with upto date amendments of Siemens/ IEC/ICC/GICO/Grandly/National make including all other accessories such as thimbles, flexible, pipes solder, nuts and bolts, cable glands etc. laid in pipes or trenches under floor. Motor side: 16mm Sq Min Length=20 mtrs. Supply side: 25mm sq Min Length=10 mtrs.

Providing and fixing double loop earthing and G.I. plate 600 mm x 600 mm x 3 mm thick electrode complete with material such as thimbles, nuts and bolts, charcoal and common salt, 25 mm x 6 mm Copper strips & Copper wire as per IS: 3043-1987 with up to date amendments for motors and other electrical equipments and digging of pits etc. complete in all respect.

M/S THAKUR ELECTRICAL & HARDWARE STORE (BID ID -451722)

M/S ASHWANI ELECTRICAL WAORKS (BID ID -451963)

Electro Mechanical Engineering Company (BID ID -451965)