Himachal Pradesh Irrigation And Public Health Department Tender

Supply of submersible pumping set of KSB /Calama /Johnstion/Crompton make comprising to latest relevant BIS Code. The pump should be fitted with bronze impeller of suitable alloys as per IS 8034-1976 latest suitable for Clear water having greased packed bearings and shaft with wound stator on motor side and with soft protection sleeve on pump side ensuring better life for shaft coupled to a submersible squirrel cage electric induction motor (water proof type) of required HP, RPM 2900 of reputed make conforming to BIS 9238-1979 latest with upto date amendments, totally dust and water proof for submersible duty isolated from the pump by intermediate casing with double mechanical seal in oil chamber and grease packed lubricated bearings and provided with stainless steel thrust bearing plate to with stand non vertical loads with minimum wear and tear. It should also be fitted with a device to take up expansion of water with the heating of motor. The pump set should include water level guards, erection clamps , cable clips and depth gauge etc. and suitable for operation on data given below:-

A SITE CONDITIONS:- i) Location of site:- 1 KM from Guler Railway station ii) The altitude of place in which the motor is intended to work in ordinary service = 426.00 mtrs. Iii) Humidity :- Humid during rainy season iv) Nature of atmosphere:- Normal , v) Detail of quality of water :- Clear water, vi) water free from sand or not:- Free from sand, vii) water corrosive or not:- Not corrsive , viii Turbidity:- Less than 50 ppm, ix) Type of well :- Infilteration gallery/sump well , x) Inside dia of well :- 6.00 mtr. xi) Depth of water during HFL in the well :- xii) Maximum draw down:- Execepted 1.00 mtrs. xiii) Depth of well :- Infilteration gallery/sump well xiv) any other information if required . B Operating Conditions:- i) Type of current :- AC Three phase ii) Operating frequency = 50 Hz., iii) Rated voltage = 400(+/-)10% volts. system of earthing if any to be adopted ; Dubble loop earthing as per BIS: 3243:1987 v) Speed of revolution ; To be quoted by tenderer vi) Direction of rotation : To be quoted by tenderer vii) No. of working hours per day : 8 Hours viii) The maximum temperature of cooling air and water in the place in which the pump set is : Temperature of place to be specified 20 C to

C. Motor i) Ref. to BIS Code : BIS 9283-1979 with upto date amendments , ii) Type of enclosure of motor : As per BIS 4691-1985 ( Lstest), iii) Type of duty:- Continuous iv) Mechanical output in KW :- Suitable for driving submersible pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output to prime Mover. v) Class of insulation : Class-B vi) Max Permissible temp Rise of motor reqd. if different from that given in 8 9viii) above :- to be specified by the tnederer. vii) Particulars of test reqd. & where they are to be fonducted:- As per terms and conditions atteched viii) Particulars as to whether voltage limiting device will be employed:- Oil immersed star delta starter to be installed between bus bar and motor. Shunt capacitor is also proposed to be installed for improving the power factor at site.Note :- Star delta staarter upto 37.5 Kw ix) Type of motor :- As per BIS 9283-1979 or latest. x Details of shaft extension required xi) Break way torque in terms of rated load torque and the corresponding break-way starting current which may be taken from the supply with the starting apparatus in circuit. :Break way torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current. xii) Nature of load and 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 accelerated and No. of starts during a specified period. :To work the pump offered