Providing house hold connection by ministry of Jal Shakti Har Ghar Nal Se Jal Improvement of LWSS Bhota Ropari Ujhen in Tehsil Barsar Distt. Hamirpur

Amount

Supply of submersible pumping set of KSB/Oswal Johnstion/Hindostan/ Kirloskar /Lubi /Crompton/ Sabar make comprising to latest relevant BIS Code. The pump should be fitted with bronze impeller of suitable alloys as per IS 8034-1979 latest suitable for raw 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:-

SITE CONDITIONS:-

Location of site:- ( Kunah Khad near Didwin )

The altitude of place in which the motor is intended to work in ordinary service.-500 mtrs.

Humidity:- during rainy season

Nature of atmosphere:- Normal

Detail of quality of water:- Raw water

Water free from sand or not:- Free from sand

Water corrosive or not:- Not corrosive

Turbidity:- < up to 500 ppm

Type of well:-

Inside dia of well :- MTS

Depth of water during HFL in the well:- mtrs.

Maximum draw down:- mtrs.

Depth of well :-

Any other information if required.

OPERATING CONDITIONS

Type of current:-AC. Three phase

Operating frequency 50 Hz.

Rated voltage 400(+/-) 10% volts

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. 8 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 200C to 420C.

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 –B

Max. 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.Fully automatic Air break 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 starter upto 37.5 Kw.

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.

PUMPS

Nos. of pumps required. 2 No. pump

Spare parts required.For two years normal maintenance as recommended by manufacturer.

Type of drive Electric induction motor

Optional fittings required

Pump Operating conditions

Capacity 15.89 LPS for each for each pump

Total head in meters 75.58 metres.

Static head 48.00 metres.

Minimum depth of water -

Variation in water level -

Ground level to Max. water level

Ground level to delivery point

Pressure in the suction tank.

Pressure in the delivery tank

Length of rising main 265 mtrs

Dia of rising main 100 mm

Turbidity of water <500 PPM

Drive type Electric driven

Limits of total head in which the pump is required to operate.(-) 15% to (+) 10% of total head

Suction/Delivery size of pump to be sepcified by the tenderer

Efficiency of pump at to be sepcified by the tenderer

a) Duty head

b) (+) 10% head.

c) (-) 15% head.

Material of construction to be sepcified by the tenderer (manufactures certificate to be apptended

Providing Fully automatic Air break star delta starter of MEI/ Kilburn /L&T/ABB/Schneider make as per IS: 8544-1979 with up to date amendments for Squirrel Cage motor mounted on panel board with magnetic type overload release and dashpot time lag, under voltage release initial oil filling with single phase preventor as per IS 8544 ( Part-II) -1987 with up to date amendments of suitable capacity

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 suitable capacity and conforming to BIS: 4064-1978 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 BIS: 8084 –1976 and 11353-1985 read with 5578-1985 all latest with upto date amendmentsof suitable rating.

MCB of suitable capacit of Havells/standard/MDS/Jyoti/Kilburn make to feed motors offered by the tenderer conforming to BIS: 2516-1985 latest with upto date amendments with neutral linked under voltage release. (Sutaible capacity )

3 phase indicator lamps complete with toggle switches for individual motors conforming ti BIS 3452 part I & II latest with up to date amendments of of suitable rating

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

Supply of Kirloskar/leader make dia cast iron (class PN. 1.60 ) double flanged sluice valve having size one dia. Higher than pump size to delivery of pump and capable of with standing nominal seat pressure of 16.32 kg/cm2 as per IS :780-1984 (Part I)

Supply of Kirloskar/leader make dia. cast iron (class PN. 1.60 ) double flanged ( swing check type) reflux valve having bye pass arrangement and having one dia. Higher than pump size to delivery of pump and capable of withstanding nominal seat pressure of 16.32 kg/cm2 as per IS :780-1984 (Part I)

Providing and laying suitable size copper PVC insulated armoured power 3.5 core cable conforming to BIS 1554 (part-I) –1988 of latest with upto date amendments siemen/closter/ICC make form meter of HPSEB- to MCB and form MCB to Bus bar switch and starter (one cable carrying all three phases) including all other electrical equipment/accessories such as thimbles, flexible pipe solder, nuts and bolts, cable glands, etc. laid in pipes of trenches under floor. The type, size and make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer.

Supply side suitable size ( 10 Rmt)

Motor Side suitable size ( 30 Rmt)

Supply of Kirloskar/Leader make cast iron (class PN. 1.60 ) double flanged ( swing check type) reflux valve 100 mm dia having bye pass arrangement and size equal to dia of rising main i.e. 100 mm dia of with standing nominal seat pressure of 16.32 kg/cm2 as per B IS :5312 -1984 (Part I) .

Supply of PVC joint less flat water proof cable as per BIS: 694-1990 latest with upto date amendments suitable for the pump sets offered from MCB to motor including all other electrical equipment/accessories such as thimbles, flexible pipes solder, nuts and bolts, cable glands etc laid in pipes of trenches under floor. The type, size and make will be subject to approval of HPSEB authorities & in case of non acceptance by HPSEB authorities it shall have to be replaced by tender.

Providing and laying double loop earthing with G.I. wire 8mm SWG & G.I plate complete with material such as charcoal, common salt, GI. Pipes, thimbles, nuts and bolts, digging of pits, GI. Wiring and aluminum strips of required capacity conforming to BIS: 3043-1987 latest with upto date amendments for above motors and other electrical equipment’s.

Supply of standard make circular dial pressure gauge 0. 16 kg/cm2 range of feibig make with all accessories such s stop cock, copper tubing etc, conforming to BIS: 3624-1987 latest with upto date amendments.

Providing and laying delivery pipe 80 mm dia. and common header 100 mm dia GMS Tubes (Medium Class) (IS:1239 - 1979) jointed with MS flanges of table-5 as per IS: 6392-1971 (upto a length of 20 mtrs ) including rappers, flanges, rubber gaskets, nuts and bolts and specials upto 5 mtrs away from the outer wall of pump houses as per layout drawings approved by Engineer-in-Charge.

Supply of floor/wall mounted power factor shunt capacitor conforming to BIS: 2834-1986 latest with upto date amendments Baja/L&T/Asian / Cromption make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of suitable KVAR rating each including cable of siemens/ Gloster / ICC make form bus bar chamber to capacitor and also including L&T/LK/Kilburn make ICTP switches conforming to BIS –4064-1978 or latest with HRC fuses (range to be specified by the tendrerer).

Supply of suitable cable for water level guard

Supply of supporting clamps.

Supply of cable clips of required size.

Erection of all equipment from Sen.1 to 4 ,6,7,9,11 including cost of tees, bends, tapers and any other fittings required as per site conditions and as per direction of Engineer-in-charge.

Rising Mian

Excavation in foundation and trenches etc. (in pipes and pits) in all kinds of soils such as pick work, jumper work, blasting in soft/hard rock, chiselling/wedging out of rock/where blasting prohibited)saturated soil stacking the excavated earth within all leads and lifts clear from the edge of excavation and then returning the stacked soil in 15cm layers when required into plinth sides of foundation etc. consolidating each deposited layer by ramming and watering and then disposting of all surplus excavated earth as directed within all leads and lifts including uprooting of trees dressing of beds, and sides and preparation of sub-grade, restoration of unmetalled/ metalled /paved surfaces to its original condition including soring, strutting, timbering and dewatering where ever houses, fixing caution boards, crossing over trenches and to the entire satisfaction of the Engineer-in-charge.

Laying,jointing and testing of galvanized mild steel tube in trenches including cost of fabrication of bends as required at site of following dia including tube fittings and to the entire satisfaction of the Engineer-in-charge as per IS:1239 (Part-I)-1979 fully jointed with M.S. flanges / circumferencial butt welding including welding in three layers on both faces as per IS:816-1965,gasket sheet not less than 3mm in thickness,nuts and bolts etc.and including cost of cutting of threaded ends if plain ended pipe is not avaiable complete in all respect. (Cost of excavation in trenches,M.S flanges, butt wellding and gasket sheet etc. to be measured and paid for separately)

GMS pipe 100 mm dia hevy class

Providing Circumferencial Butt welded joints by electrical are welding to below mentioned dia and wall thickness GMS pipe welded in requisite number of weld runs so as to achieve the minimum effective throat thickness of weld conforming to IS 816-1969 specifications, by using welding electrodes of 2.5 mm to 6.3 mm of Advani Oerlikon (Adore)-CITOJET/ESAB make, conforming to IS 814-1991 including Die pentration test, at site of work complete in all respects, including manual/machanical handling of pipes in all leads and lifts to the entire satisfaction of Engineer in charge.

Butt welding GMS pipe Heavy 100 mm dia

Providing welding and fixing of MS flanges at 5% of total joints, conforming to following tables as per IS 6392-1971 (Last with upto date amendments) and welding of MS flanges with GMS pipes in three layers on both faces i.e two layer on outer faces and one layer on inner face to make the joint leak proof (The cost of providing and laying of GMS pipes to be measured and paid for separately). The welding of flanges should conform to IS 816-1969 with electrodes as per IS: 814-1991 and required number of nuts and bolts conforming to IS 1364. the thickness of gasket not less than 3.00 mm conforming to IS 2712-1998. The work shall be done as per entire satisfaction of engineer in charge within all leads and lifts.

M.S Flange 100 mm dia Table -17

RINKU SHARMA GOVT CONTRACTOR

SUNIL KUMAR

RAJE ENGINNERING WORKS