Providing LWSS Bhamnoli in GP Bhamnoli Tehsil Rohru Distt Shimla HP

Providing of horizontal spindle,horizontal/redial split casing/end suction (backpull out arrangement) Single/double/Multistage centrifugal pumps or combination of pumps,.in series/parallel of recommended make such as KSB/Mather & Platt/Kirloskar/Beaconweir/BE / Grundfos pump/LUBI Pump as per BIS 1520-1980 with upto date ammendments) read with IS 9137-1978 or latest edition suitable for lifting water for under mentioned characteristics with bronze ,impellers/priming funnels,casing ring and shaft sleeves of bronze,shaft of steel grade------- with cast iron casing coupled directely through a flexible coupling on a common CI/cast steel base plate(base plate to be from the manufacturer of the pumping unit only) to slip ring/squirrel cage screen protected drip proof induction motor/motors of standard make such as kirlokar/BHEL/NGEF/GEC/Crompton/ Siemen/Marthon/ABB and suitable for operation on 415(+/-)5% volts,50 cycles/second ,3 phase AC electric supply. The power of electric motor/motors should be at least +15% in excess of the maximum power required by the pump/pumps in the operation range of (+) 10% and (-) 15% of the duty point head.The motor/motors as per IS: 325-1978 with upto date ammendments read with IS: 900-1972. It should include cost of bearing ,nuts,bolts and painting etc. and should meet the following requirements:-

Site Conditions:-

Location of site near by Kamaksha Temple Near Sarithath

The altitude of place in witch the motor is intended to work in ordinary service if it exceeds 1000Mtr. 130Mtr

Humidity:- Wether generally remaind humid during monsoon season.

Nature of atmosphere:-As normally encountered in Shivalik Range.

Detail of quality of water:-Clear water .

Water free from sand or not :- Yes.

Water corosive or not:- Not.

Turbidity (if any) :- Clear Cold Water .

NPSH avilable :- 8.994 mtrs.

Any other information or requirement. :-

Operating Conditions:-

Type of current :- AC three/single phase.

Operating frequency :- 50 HZ

Rated voltage :- 400(+/-) 10% volts.

System of earthing if any to be adopted.:- Double loop earthing as per BIS 3043-1987 latest with upto date ammandments.

No. of working hours per day :- 8 hours.

Speed of revolution in RPM.:- To be quoted by tenderer.

Direction of rotation:- To be quoted by tenderer.

The max. Temp. of cooling air & water in the place in which the motor is intended to work in ordinary service. :- 25 Dedree centigrade.

Motor:-

Ref to BIS code. :- BIS 325-1978 read with BIS 900-1992 ( latest) with upto date ammendments.

Type of encioure of motor :- SPDP (as per BIS 4691-1985 (Latest)

Type of duty :- Continous.

Mechanical out put in KW. :- Suitable for criving centrifugal pumps required for duties specified againsed pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated out put of prime mover.

Class of insulation :- Class -B .

Max. permissible temp. rise of motor reqd. if different from given B(viii) above.:- -----

Particulars of test reqd. & where they are to be conducted.:- As per terms & conditions.

Particulars as to whether voltage limiting device will be employed.:- ATS/ star delta starter of immersed fully automatic to be installed between bus bar chamber & motor.

Shunt capacitor is also proposed to be installed for improving the power factor at site.

Note:- Star delta stater upto 37.5 KW. ATS between 37.5 KW to 50 KW & stater rotor stater with slip ring motor beyond 50 KW.

Motor whether squirrel cage or silpring.:- Squirrel cage/ slipring.

Note:- Squirrel cage upto 65HP and slipring above 65 HP.

Details of shaft extension reqd. :- Just sufficient to provide direct drive by flexible coupling to pump.

Type of slip ring gear whether continously rated or for stating purposes only & whether to be fitted with brush lifting or short circuiting arrangements or both if interlocks are required. :- Continously rated for squirrel cage/ slipring motor.

Breakway torque in terms of rated load torque & the corresponding breakway starting current which may bt taken from the supply with the starting apparatus in circuit. :- Breakway torque to be given by the tenderbut the starting current should not exceed 2.5 times of the full load cutrrent.

Nature of land & any information regarding the driven machine which has been bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelarated & No. of starts during a specilised period.:- To work the pump offered.

Where possible fault capicity of the system to which the motor is connected.:- The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.

Pumps (BIS 1520-1980) read with BIS 9137- 1978 both latest with upto date ammendemnts.

Nos of pumps reqd. :- 1 No. working pump

Spare parts required. :- For two years normal maintenance s recommended by manufacturer.

Optional fittings reqd. :- Air clock for exahausting air from each stage.

Pump operating conditions :-

Capacity :-4.44 Lps

Total head in Mts. :- 152

If total total head is not known then following details be provided :-

i) Static head :- 130 Mts.

ii) Minimum depth of water :- ….. Mts.

iii) Variation in water level :- ……..Mts.

iv) Ground level to max. water level :- 1233.00 mts.

v) Ground level to delivery point :- 1584.00 mts.

vi) Presure in the suction tank :- …..kg/cm^2

vii) Pressure in the delivery tank:- …..kg/cm^2

Length of Rising main :- 450 mts.

Dia of R/main :- 65 mm

Drive arrangment :- Direct through flexible coupling on a common base plate.

Drive type :- Electric driven .

NPSH Reqd. :- To be quoted by the tenderer.

Limits of total head in which the pump is reqd. to operate. :- (-) 25 % to (+) 10 % of total head.

Suction / delivery size of pump. :- To be specified by the tenderer.

Efficency of pump at :- To be specified by the tenderer.

a) Duty head

b) (+) 10% head

c) (-) 25 % head

Material of construction :- To be specified by the tenderer.

(Manufacturer certificate to be appends)

Suply of suitable oil immeresd Star Delta Starter/ATS/stator Rotor Starter/control pannel of standard make such as MEI/Kilburn/Jyoti/Siemens conforming to BIS: 8544-1979 latest with upto date ammendments for squirrel cage/slipring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling.

Providing 4 pole motor 1500 RPM .in series/parallel of recommended make such as KSB/Mather & Platt/Kirloskar/Beaconweir/BE / Grundfos pump/LUBI Pump as per BIS 1520-1980 with upto date ammendments) read with IS 9137-1978 or latest edition suitable for lifting water for under mentioned characteristics with bronze ,impellers/priming funnels,casing ring and shaft sleeves of bronze,shaft of steel grade------- with cast iron casing coupled directely through a flexible coupling on a common CI/cast steel base plate(base plate to be from the manufacturer of the pumping unit only) to slip ring/squirrel cage screen protected drip proof induction motor/motors of standard make such as kirlokar/BHEL/NGEF/GEC/Crompton/ Siemen/Marthon/ABB and suitable for operation on 415(+/-)5% volts,50 cycles/second ,3 phase AC electric supply. The power of electric motor/motors should be at least +15% in excess of the maximum power required by the pump/pumps in the operation range of (+) 10% and (-) 15% of the duty point head.The motor/motors as per IS: 325-1978 with upto date ammendments read with IS: 900-1972. It should include cost of bearing ,nuts,bolts and painting etc. and should meet the following requirements:-Output 20 HP & Kw 15

Providing &fixing leader cast carbon steel NRV as required as per site conditions & as per directions of Engineer-in-Charge. (65mm dia)

Providing &fixing leader cast carbon steel Sluice valve as required as per site conditions & as per directions of Engineer-in-Charge. (50mm dia)

Steel work welded in built up section trusses and framed work including cutting hoisting fixinging in position and applying a priming coat of red lead paint.

Providing and supplying 2.5 sqmm 4 core cable as required as per site conditions & as per directions of Engineer-in-Charge.

Errection opf all equpments i/c cost of tees, bends, tapers and any other fitting required as per site conditions and as per direction of Engineer in charge

Manufacturing and providing of fancing panel of size 1.20mx 1.80mtr of jali 25x25mm welded to M.S black tube of 32mm dia of 14 gauge thick with MS flate 20x3mm welded all around the pipe panel 2Nos on both side and providing of hold fast 4 Nos of M.S flat of 32x32mm thickness having consisting of Tee of size 15x15cms Tee acting and hold fast including cutting welding painting with red oxide paint to complete in all respect and as per the entire setisfaction of the Engineer in Charge.

Please Enable Macros to View BoQ information