Improvement of WSS for Providing HH Connection to PC Habitation Nagpuri Rana Nagar Guhan in Tehsil Jaisinghpur Distt kangra HP

Amount

Supply of submersible pumping set of KSB/Calama/SU/Johnston make, comprising to latest relevant BIS Code. The pump should be fitted with bronze impeller of suitable alloys as per IS 8034-1976/IS 5659-1970 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 2900/1450 of reputed make conforming to BIS: 9283-1979 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 :- Location of site :- Basanti Pattan The altitude of place in which the motor is intended to work in ordinary service.- mtrs. Humidity:- Humid during rainy season Nature of atmosphere:- Partly sunny Detail of quality of water:- Clear/Raw Water Water free from sand or not:- Free from sand Water corrosive or not:- Not corrosive Turbidity:- PPM Type of well:- P/Well Depth of water during HFL in the well:- Maximum draw down:- Any other information if required. (B) OPERATING CONDITIONS:- Type of current:- Ac. Three phase Operating frequency 50 Hz Rated voltage 400(+/-) System of earthing if any to be adopted-Double loop earthing as per BIS: 3243-1987 latest with upto date amendments . Speed of revolution-To be quoted by tenderer Direction of rotation-To be quoted by tenderer . No. of working hours per day.Hours The maximum temperature of cooling air and water in the place in which the pump set is intended to work in ordinary service - Temperature of place to be specified 20°C to 42°C. (C) MOTOR:- Ref. to BIS code-BIS: 9283-1979 with upto date amendments Type of enclosure of motor.-As per BIS:4691-1985 (Latest) Type of duty : Continuous 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. Class of insulation- Class –BMax. Permissible temp. Rise of motor reqd. if different from that given in 8 (viii) above. To be specified by the tenderer. Particulars of test reqd. & where they are to be conducted.-AS per terms and conditions attached. 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. Type of motor-As per BIS 9283-1979 or latest. Details of shaft extension required:-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. 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 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. (D) PUMPS:-Nos. of pumps required.-1 Nos. pumps, Spare parts required.-For two years normal maintenance as recommended by manufacturer. Type of drive.-Electric induction motor. Optional fittings required Pump Operating conditions Total Capacity :4 LPS for pump Total head in meters: 108.53 Mters Static head : 90 Meter Minimum depth of water- Meter Variation in water level- Meter Ground level to Max. water level: Ground level to delivery point - Meter Pressure in the suction tank.- Meter Pressure in the delivery tank Length of rising main- 240 Meter Dia of rising main - 80.00 mm Turbidity of water- PPM Drive type-Electric driven Limits of total head in which the pump is required to operate.-15% +10% of total head at duty points Suction/Delivery size of pump-To be specified by the tenderer.-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 (manufacturers certificate to be appended.

Supply of direct online starter of Kilburn/L&T/Havells make i.e conforming to BIS 8544 -( Part - )1979 latest with upto date amendments for squirrel cage induction motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release and gas-pots, time legs, under voltage release & initial oil filing suitable for _HP motor.

Supply of MS. Angle iron steel sheet 16 SWG fabricated floor mounting closed (Almirah type) switch board comprising and capable of mounting the following accessories and with all internal electric connections, duly painted. The drawing of panel board shall be subject to approval of Engineer-in-Charge.

ICTP switches with HRC fuses of Havells/L&T/standard /cromption make for required motor of 32 Amp. capacity and conforming to IS: 4064 (part - II)1978 latest with upto date amendments.

Bus bar chamber having 3 copper bars of suitable rating for full length of 3 phases and one bar of half the rating of full length for neutral conforming to IS: 8084 –1976 and 11354-1985 read with 5578-1985 all latest with upto date amendmentsof suitable rating.

3 phase indicator lamps complete with toggle switches for individual motors conforming ti IS 3452 part I & II latest with up to date amendments of 15 watts.

50 mm dial Hour run meter of CEE / NEE make of suitable range as per relevant IS specifications.

Supply of standard make circular dial pressure gauge 10-20 kg/cm2 range of feibig make with all accessories such s stop cock, copper tubing etc, conforming to IS: 3624-1987 latest with upto date amendments.

Sunil Kumar (BID ID -525977)

SANJAY SAINI (BID ID -526115)