LWSS Shimla from Gumma SH Providing fixing testing of 1 No pump and motor complete set of KSB make Model HGB 4 10 along with induction motor 1250 KW 1675 HP at Bed No 1 old Gumma Pumping station under AMRUT Project

Amount

Providing ,Fixing ,testing and commissioning the horizontal spindle multistage centrifugal Ring section Non -API pump Model HGB 4/10 206 Cum/Hour with LIFT OFF DEVICE with section and discharge load as per KSB India Standred with Gland packing KSB STD quality plan will be Followedd. 1(i)Pressure gauge 1 each at section and discharge.(ii) Counter flange for section and discharge.(iii)Motor shims and foundation bolts, pump is ring oil lubricated with balacing disc type balacing device.(2).Conical suction strainer of size :-DN 250class 159 RF with suction adapter of size 250xDN 150 class 150. (3)Connecting gear coupling between pump and Motor Make :-Rathi transpower india. (4)Non-witness performance testing as per KSB india standred with KSB India test bed motor and cold water at ambient temperture for all pump.NPSHR 3 % test for one pump.(5)set for special tools common for these offered water pumps.(6)Commissioning spare per pump 1set of pump O ring and Gaskets-1 set. Packing and painting as per KSB India Standred. Specufication Of Motor:- Providing ,Fixing ,testing and commissioning BHEL/ABB make motor of 1250 KW,2960RPM with sleeve bearings ( forced oil lubricated bearings)foot mounted Horizontal squirrel cage induction Motor.Enclosure;-SPDP, Type of cooling :-IC01,Insulation/Temp Rise;-F class B, Ambient Temperture :-40 Deg C,Method of starting;-DOL. ,Type of bearing ;-sleeve,Type of Fan;-Uni-directional, Noise of vibration ;- as per IS/IEC,Space heater,winding RTD as per Mf.r std. ,Non- witness routing test shall be conducted on all Motros.Type tesr report for similar motor shall be submitted. ;- Standard relay panel as per Mfr Std. ( Make:-Southern lubrications /Eq. with all leads & lifts Complete in all respects.

Total Head :- 1480 mtrs.

Capacity/ Discharge :- 206 Cum/Hour

Dia of R/Main:- 175 mm.

SITE CONDITIONS:-

Location of Site:-

The altitude of place in which the motor is intended to work in ordinary service (in metres) :- To be filled by the Engineer Incharge.

Humidity:- Weather generally remains humid during monsoon season.

Nature of atmosphere:-

Detail of quality of water:- Clear cold water

Water free from sand or not :- Yes

Water corosive or not :- Not

Turbidity (if any):- 1.5 NTU.

NPSH available:- Positive suction.

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 to be adopted.:- Double loop earthing as per BIS 3043-1987 latest with upto date ammendments

No. of working hours per day:- 16 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 intented to work in ordinary service.:- 35 Degree Centigrade

MOTOR:-

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

Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)

Type of duty:- Continuous as per IS-12824-1989 or latest with up to date ammendments

Mechanical out put in KW:- 1250 Kw (2960 RPM) Suitable for driving centrifugal pumps required for duties specified against 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 ~F~

Max.permissible temp.rise of motor reqd. if different from given in B(viii) above:- 16.5O

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

Motor :-Induction motor with F class insulation.

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

Type of slip-ring gear whether continouly rated or for starting purposes only & whether to be fitted with brush lifting or short circuit arrangements or both if interlocks are rquired.:- Continously rated for Squirrel cage/ Slipring motor

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

Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelrated & No.of starts during a specified period.:- Sufficient to work the pump offered

Where possible fault capacity 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.

PUMP :-BIS 1520-1980 read with BIS 9137-1978 both with up to date ammendments

Nos of pumps reqd.:- 1 Nos pump.

Spare parts required:- For 10 years normal maintenance as recommended by manufacturer.

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

PUMP OPERATING CONDITIONS:-

Capacity (in LPS) 206 Cum/Hours

Total head (in Mts).:- 1480 Mtrs

If total head is not known then

following details be provided:-

i) Static head ( in mtrs) =1480

ii) Minimum depth of water( in mtrs)

iii) Variation in water level ( in mtrs)

iv) Ground level to max. water level ( in mtrs)

v) Ground level to delivery point ( in mtrs)

vi) Pressure in the suction tank (in Kg/cm^2 )

vii) Pressure in the delivery tank (in Kg/cm^2 )

Length of R/Main (in metres):- 3250 mtrs

Dia of R/Main (in mm):- 175mm.

Drive arrangement:- 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.:- (-) 15% to (+) 10% of total head.

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

Efficiency of pump at:- To be specified by the tenderer

a) duty head

b) (+)10 % head

Material of construction:- To be specified by the tenderer (manufacturer,s certficate to be appended)

SB Trading company

HILL CONSTRUCTION AND ENGINEERING CO. SOLAN