Providing LWSS Baleta in GP Neri in Tehsil and Distt. Hamirpur

Amount

Excavation in foundations and trenches (for pipes and pits for other civil structures) upto all depths in all kinds of soil such as pick work, jumper work and saturated soil and paved surfaces including bailing or pumping out of water, chiseling or wedging out of same where blasting is prohibited in all leads and lifts including trimming and dressing of sides, leveling of beds to correct grade including shoring, strutting, planking timbering and dewatering wherever required, stacking usable and unusable material/soil separately and after laying jointing and testing of pipes, returning the usable soil in 15 cm layer by ramming and watering and then disposing of all surplus excavated soil/unusable material as directed within all leads and lifts including cost of diversion of traffic, night signal boards, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respects as per the direction of Engineer-in-charge.

Pick jumper work

Pick work

Laying jointing and testing in trenches (to level or grade) of GMS pipes 95% butt welded joint & 5% M.S Flanged joint of below mentioned diametre conforming to IS 1239-2004 (Latest upto date amendments) as specified, suitable to withstand required hydraulic test pressure including fixing of required number of bends of all degree , tee MS nuts and bolts as per IS 1369-1967 compressed asbestos fibre jointing gaskets sheet not less than 4.00 mm in thickness as per IS 2712-1998. complete in all respects . The laying of pipes shall conform to IS 5822-1994 as well as CPHEEO manual and will include all operations such as jointing including flushing, cleaning and hydrauliic testing complete in all respects to the entire satisfation of Enginner in Charge including entire carrirage of materials in all leads and lifts. ((Earth work in trenches, M.S. flanged joint and butt welded joint be measured and paid for separately.)

Booster stage :- GI pipe 100mm dia (M.C) 0 to 1210 Rmt

1st stage :- GI pipe 125mm dia (M.C) 0/0 to 1330 Rmt

Providing welding and fixing of MS flanges @ 5% of joints, conforming to following tables as per IS 6392-1971 (Latest 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 laying of G.I. 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.

Booster stage :- GI pipe 100mm dia . M.S.flange Table-17

Booster stage :- GI pipe 100mm dia . M.S.flange Table-5

1st stage :- GI pipe 125mm dia . M.S.flange Table-17

1st stage :- GI pipe 125mm dia . M.S.flange Table-5

Providing Circumferencial Butt welded joints by electrical arc welding to below mentioned dia and wall thickness GI pipe welded in three 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.

GI pipe 100mm dia .

GI pipe 125mm dia .

Providing and fixing Screw type Cast iron Air Valve 25mm dia (Single Ball type) of Leader make confirming to BS:1452-90 with upto date amendment as per Class- 10.00 with standing a normal seat pressure of 10.20 kg/cm2 in rising main

Providing and laying cement concrete 1:3:6(1cement:3sand:6 graded stone aggregate 40mm nominal size and curing complete excluding the cost of form work in foundation and plinth in all leads and lifts.

Prov.form work with steel plates 3.15mm thick welded with angle iron frame 30 x 30 x 5mm so as to give a fair finish including centring, shuttering,strutting & propping etc. with wooden battens and ballies, height of propping & centering below supporting floor to ceiling not exceeding 4mtr.& removal of same for insitu rainforced concrete and plain concrete work complete in all leads and lifrs and as per the directioin and to the entire satisfaction of the Engineer-in-Charge :-

Vertical surfaces such as walls ( any thickness ) partition and the like including attached pillasters buttresses, plinth and string courses and the like.

Providing and laying cement concrete 1:2:4(1cement:2sand:4 graded stone aggregate 40mm nominal size and curing complete excluding the cost of form work in foundation and plinth in all leads and lifts.

Providing, Laying mild or tor steel reinforcement for RCC. Work including bending binding and placing in position complete upto floor two level Tor steel complete in all respect as per direction and to the entire satisfaction of the Engineer-in-charge.

Booster Stage- :Pumping Machinery

Supply of submersible pumping set of KSB/Kirloskar/Hindustan 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 KSB/Kirlosker/ NGF/Crompton 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:-

The altitude of place in which the motor is intended to work in ordinary service.- 406.00 mtrs.

Humidity:- Humid during rainy season

Nature of atmosphere:- Normal

Detail of quality of water:- Clear water

Water free from sand or not:- Free from sand

Water corrosive or not:- Not corrosive

Turbidity:- < 50 ppm

Type of well:-

Inside dia of well:- meter dia.

Depth of water during HFL in the well:-

Maximum draw down:- mtrs.

Depth of well :- mtrs.

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 revolutionTo 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 20oC to 42oC.

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 over loading 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. suitable 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 Star Delta strater up to 37.5 KW 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 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.

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. pumps out of which one set will work at a time and one set will act as stand bye.

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 7.86 LPS for each Pump

Total head in meters 77.35 meter

Static head 50.2 meters

Minimum depth of water Meters

Variation in water level meter

Ground level to Max. water level meter

Ground level to delivery point Meter

Pressure in the suction tank.

Pressure in the delivery tank

Length of rising main 1210 meters

Dia of rising main 100 mm dia

Turbidity of water < than 50PPM

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

Efficiency of pump at

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 Fully automatic air break star delta starter of MEI/Kilburn make conforming to BIS 8544-1987 (P-II)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 of suitable capacity.

Supply of MS. Angle iron steel sheet 16 SWG fabricated floor mounting closed switch board comprising and capable of mounting the following accessories and with all internal electric connections, duly painted. The drawing of pannel 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 capacity 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.

3 phase indicating lamps complete with toggle switches for individual motors conforming to BIS-3452 part-I & II latest with upto date ammendments. 15 Watt.

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

Supply of Kirloskar/leader make . cast iron (class PN. 1.00 ) double flanged sluice valve having size one dia higher than delivery of pump and capable of with standing nominal seat pressure of 10.20 kg/cm2 as per IS :780-1984 (Part I)

Supply of Kirloskar/leader make cast iron (class PN. 1.00 ) double flanged ( swing check type) reflux valve having bye pass arrangement and having one dia higher to delivery of pump and capable of withstanding nominal seat pressure of 10.20 kg/cm2 as per BIS-5312-1984.(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 starter and to motor ( two meter 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 suitabe size

Motor Side Suitable size

Supply of Leader /Kirloskar make 100 mm dia. cast iron class PN. 1.00 double flanged (swing check type) reflux valve having bye pass arrangement and size equal to dia of rising i.e. 100 mm for withstanding nominal seat pressure of 16.32 Kg/Cm 2 as per BIS 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 & 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 0-11 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 - 2004) jointed with MS flanges of table-17 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 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).

Erection of all equipment including cost of tees, bends, tapers and any other fittings required as per site conditions and as per direction of Engineer-in-charge.

Centriugal pumping machinery 1st stage

Providing horizontal spindle horizontal split casing/end suctions (back full out arrangement) single/double/ multistage centrifugal pump or combination of pump in series of recommended make such as KSB /Mather & Platt/Kirloskar make as per BIS-1520-1980 with up to date amendments, read with IS: 9137-1978 or latest edition suitable for lifting clear water for under mentioned characteristics with bronze impellers/priming funnels, casing ring and shaft sleeves of bronze, shaft of steel grade EN-8 with cast iron casing coupled directly through a flexible coupling on a MS/Cast steel base plate ( base plate to be from the manufacturers of the pumping unit only) to Squirrel Cage drip proof induction motor of standard make such as Kirloskar/Crompton/NGEF and suitable for operation on 400 (+)/-) 10% volts, 50 cycles/second, 3 phase AC electric supply. The power of electric motor should be at least 10% in excess of the maximum power required by the pump in the operation range of (+) 10% and (-) 15% of the duty point head. The motor should be as per IS: 325-1978 with up to date amendments read with IS: 900-1972. It should include cost of bearing nuts, bolts and pointing etc. and should meet the following requirements:-

Discahrge (Q) : -Total 9.60 LPS

Or 34.56 Cum/Hour

Total dynamic head : 96.89 Mtr

(a) LWL in sump well (h) : 595.00 mtr

(b) Shaft level : 594.00 Mtr

(c ) Level at discahrge point : 674.85 mtr

(d) Suction lift :- 0.00 mtrs

(e) Residual head : 3.00 Mtr

(f) Static head : 80.85 mtrs

(i) Rising Main :

(a) Length 1330 Mtr

(b) Dia. : 125 mm

(iv) Pumping Hours : 8 Hours

(v) Altitude of installation above MSL : 550.00

(vi) Characteristics of water :

(a) Temperature : 20.00 0 C

(b) Ambient temperature 42.00 0 C

(c ) Turbidity Less than 50.00 ppm

(d) Alkalinity < than Mg/Ca Co3

(e) Size of the solids mm

(f) Other

Providing Side handled operated Change over switch of L&T/Crompton/Standard/ Havells make suitable capacity Operational rating as per IS: 4064-1978 with up to date amendments immediately after the power meter of HPSEB

Providing M.S. sheet, steel fabricated floor mounted closed ( Almirah type) switch board including angle iron post of suitable height and size ISA 40x40x6mm, duly painted, with steel sheet of 16 gauge comprising, capable of mounting the following accessories with all internal connections:-

M.C.B. Havell/L&T/Standard of make of suitbale capacity on incoming feeder with or without initial oil filling as the case may be with neutral linked under voltage releases as per IS: 2516-1985 with up to date amendments with.

E.L.C.B of Havell/MDS/INDETEC make as per IS: 2516-1977 with upto date amendment which should have control box operating handle and trip/reset bush button on/off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet thermal release with metallic tape etc. It should also be lifted with earth fault for tripping of breaker on occurrence of earth fault on off breaker load side end.

The voltage monitor relay of L&T/AE make three phase with all protection and usual indicator and electric siren against single phasing low voltage, high voltage, reverse phasing, over loading and phase voltage difference as per IS: 3842 ( Latest edition).

Power factor meter of AE/L&T Rishab make as per relevant IS codes with up to date amendments of suitable rating.

Frequency meter of AE/ L&T Rishab make as per relevant IS: Codes with up to date amendments of suitable rating.

Bus bar chamber with copper strips having three bars of suitable rating for full length equal to the width of the board for three live phases and suitable for induced current, one copper bar of half the rating of full length for neutral phase as per IS: 8084-1976 and IS: 11353-1985 read with BIS 5578-1985 with up to date amendments .

ICTP switches with HRC fuses of L&T/ Standard/Havells make and of suitable capacity as per IS: 4064-1978 with up to date amendments.

Three phase indicator lamps complete with toggle switches for individual motors as per IS: 3452 ( P-I&II) with up to date amendments.

Providing Hour run meter of recommended make of suitable capacity as per IS: 722 (Latest edition)

Capacitor of L&T/Bajaj/Assian/Crompton make as per IS:2834-1986 with up to date amendments to raise the power factor at site to 0.95 for direct connections to induction motor individually of required rating according to HP offered including cables as per relevant ISI code ( of Siemens/Glocter/IEC make) from bus bar chamber to capacitor and also including ICTP switches of appropriate range as per IS: 4064-1978 with upto date amendments

Providing suitable fully automatic air breaker Star delta starter of MEI/Kilburn make as per IS:8544-1979 with upto date amendments for squarrel cage motor mounted on panel board with magnetic type overload release and dashpot time lag, under voltage release with or without initial oil filling as the case may be with single phase preventor as per IS:1248(P-V)-1983 with upto date ammendments.

Providing double flanged Cast iron sluice valve of Leader/Kirloskar make and size one dia higher than pumps and suction size and capable of withstanding the normal seat pressure 10.20 Kg/cm2 as per IS: 780-1984 Class 1.0 with up to date amendments.

Providing double flanged Cast Iron Actuator sluice valve of Leader/ Kirloskar make and size one dia higher than pump delivery for the delivery line of the pump and capable of with standing the normal seat pressure 10.20 kg/cm2 and as per IS –780-1984 (class-PN.1) with up to date amendments.

Providing double flanged (Swing type) Cast Iron reflux valve of Leader/Kirloskar make and one dia dia higher then pump delivery having bye pass arrangement on the delivery line of pump and capable of with standing normal seat pressure 10.20 kg/cm2 as per IS 5312-1984 (class-PN.1) with up to date amendments

Providing double flanged Cast Steel non return valve of Leader/ Kirloskar make and of 125 mm dia having bye pass arrangement for rising main and capable of with standing normal seat pressure 10.20 kg/cm2 as per per IS –5312-1984 (class-PN.1) up to date amendments

Providing 100mm dia. circular dial pressure gauge of Fiebig make complete with all accessories such as stop cock, copper tubing etc. as per IS: 3624-1987 with up to date amendments range suitable

Installation of all the items and as per directions and to the entire satisfaction of Engineer-in-charge.

Providing and fixing double flanged G.M.S. piping work layout to be approved by the Engineer-in-Charge for suction and delivery pipes suitable to pump(s) offered and common header as per the rising main respectively complete with all specials such as bends ,tees reducers/ increasers with companion flanges matching with the relevant specifications of the accessories including rubber/asbestos gasket of minimum 3mm thickness as per IS 2712-2004 and required number of nuts and volts as per IS: 1364-1983. The pipes shall be as per relevant IS Code and to withstand 1.5 times total head stipulated under item No.1.G.M.S.TUBE Conforming to IS: 1239 – 2004 ( part – I) (Heavy class) flanged with M.S. flanges of Table - 28 in delivery side & common header.

The size of the various components to be as under:-

(i) Suction pipe 125 mm dia flanged with Table-5 Min length of 10 mtrs.

(ii) Delivery pipe 100 mm dia flanged with Table-17 Min length of 5 mtrs

(iii) Common Header 125 mm dia flanged with Table-17 Min length of 10 mtrs

And will extend up to 5 meters from the outer wall of the pump house in the direction to be jointed.

Providing and laying copper PVC insulated armoured power cable ( one cable carrying all the three phases) of suitable size and capacity to and all other electrical equipments as per IS: 1554 (P-I)1988 or latest with upto date amendments of Siemens/ IEC/ICC/GICO/Grandly /National make including all other accessories such as thimbles, flexible, pipes solder, nuts and bolts, cable glands etc. laid in pipes or trenches under floor.

Motor side: Suitable size

Supply side: Suitable size

Providing and fixing double loop earthing and G.I. plate 600mmx600mmx3mm thick electrode complete with material such as thimbles, nuts and bolts, charcoal and common salt, 25mmx6mm G.I. strips & G.I. wire as per IS: 3043-1987 with up to date amendments for motors and other electrical equipments and digging of pits etc. complete in all respect.

Providing and fixing SCADA based Automation system at main pump house :- The complete automation system should be consist of a PLC system, SCADA system, Elecromegnet Flow meters, level instruments etc. (As per Data Sheet No. 1) with in all leads & lifts complete in all respect and to the entire satisfaction of Engineer-in-Charge

NISHANT KUMAR

RAJE ENGINNERING WORKS

SUNIL KUMAR