Restoration of rain damages to LWSS Dhuril Samon Kothi in Tehsil Joginder Nagar District Mandi HP SH Replacement of centrifugal pump pump 40 HP set No.1

Supply and errection of horizontal spindle, horizontal split casing/end sucons (back pull out arrangement) single/double/multistage centrifugal pumps or combination of pumps in series/parallel of Mather and Plant/KSB/KIRLOSKAR or JSV approved make conforming to BIS 1520-1980 pump (latest with up to date ammendments) read with BIS:9137-1978 (latest edition) suitable for lifting clear water of under mentioned characteristics with bronze/ suitable alloy. priming funnels, casing ring and shaft motor of bronze, shaft of steel grade EN-8 with cast iron casing coupled directly through a flexible coupling on a common MS/Cast steel plate (Base plate from the principal manufacturer of pumping set) to coupling 3 phase squirrel cage electric induction motor (already present on site) of standar make such as kirloskear/ Ngef/Crompton or JSV approved make conforming to IS12615-2018 (only pump is to be replaced, motor is already present at site) and should be energy efficient minimum IE2 compliant and totally enclosed fan cooled (TEFC) type (latest with upto date ammendments) it should include the cost of bearings, nuts and bolts, painting etc and shall be suitable for operation on the data given below:

SITE CONDITIONS Location of Site :- 30 km from Chuantra Division The altitude of place in which the motor is intended to work in ordinary service if it exceeds 1000 mtr Humidity :- Weather generally remains humid during monsoon season. Nature of atmosphere :- As normally encounterd in Shivalik Range Detail of quality of water :- Clear cold water Water free from sand or not :- Yes Water corosive or not :- Not Turbidity (if any) :- Clear cold water NPSH available Mts Postive suction Any other information or requirement OPERATING CONDITIONS Type of current :- AC three phase Operating frequency :- 50 HZ Rated voltage :- 415 (+/-) 10% volts System of earthing if any to be adopted :- Double loop earthing as per BIS 3043-1987 latest with upto date ammendments 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 intented to work in ordinary service : - 25 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 :- TEFC (latest with upto date ammendments) Type of duty :- Continuous Mechanical out put in KW :- 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 :- B Max.permissible temp.rise of motor reqd. if different from given in 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 oil immersed,fully automatic to be installed between bus bar & motor. Shunt capacitor is also proposed to be installed for improving the power factor at site. NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW to 50 KW & Stator rotor starter with slip ring motor beyond 50KW Motor whether squirrel cage or slipring :- Squirrel cage 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 circuiting arrangements or both if interlocks are rquired. :- Continouslly rated for Squirrel cage/ 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. :- 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 latest with up to date ammendments Nos of pumps reqd. :- 2 no. pumps one will act as stand bye. Spare parts required :- For Two years normal maintenance as recommended by manufacturer. Optional fittings reqd. :- Air cock for exahausting air from each stage PUMP OPERATING CONDITIONS Capacity :- 6.78 lps for each pump. Total head in Mts. :- 233.40 mts If total head is not known then following details be provided:- i) Static head 207.30 mts ii) Minimum depth of water -- Postive suction iii) Variation in water level -- mts iv) Ground level to max. water level mts v) Ground level to delivery point mts vi) Pressure in the suction tank ____ Kg/cm^2 vii) Pressure in the delivery tank ....... Kg/cm^2 Length of R/Main 1500 mts Dia of R/Main 100 mm 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 c) (-)15 % head Material of construction :- To be specified by the tenderer (manufacturer~s certficate to be appended)