Providing house hold connection by ministry of Jal Shakti Har Ghar Nal Se Jal for improvement of LWSS Bani Barsar Garli zone 3rd in Tehsil Barsar Distt. Ham

Amount

Booster Stage

Supply of submersible pumping set of KSB Kirloskar / Oswal Johnstion/ Crompton /Hindostan/ 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 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:-

SITE CONDITIONS:-

Location of site:- ( Khwaza Khad head works )

The altitude of place in which the motor is intended to work in ordinary service.-765 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:- I/gallery

Inside dia of well :- 4.00 mts.

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

Maximum draw down:- Excepted 2.00 mtrs.

Depth of well :- I/gallery

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 20°C to 42°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 –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. 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 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. pumps out of which one set will work at site 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 1.54 LPS for each pump or 5.54 M3/hours

Total head in meters 29.37 metres.

Static head 23.00 metres.

Minimum depth of water - metres

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 80.00 mtrs

Dia of rising main 50 mm

Turbidity of water < 50 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

Supply of Direct on line starter of MEI/Kilburn make conforming to BIS 8544-1979 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 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 ( P.N. 1.00 ) double flanged sluice valve having one dia Higher than pump size to delivery of pump and capable of with standing nominal seat pressure of 10.20 kg/cm2 as per IS :780-19840 ( head including water hammer effect )

Supply of Kirloskar/Leader make dia. cast iron ( P.N. 1.00 ) double flanged (swing check type ) refelux valve having one dia Higher than pump size to delivery of pump and capable of with standing nominal seat pressure of 10.20 kg/cm2 as per IS : 5812-1984 ( head including water hammer effect )

Supply of Kirloskar/Leader make dia. cast iron (class PN 1.00 ) double flanged (swing check type ) refelux valve having bye pass arrangement and size equal to dia of rising main i.e. 50 mm capable of with standing nominal seat pressure of 10.20 kg/cm2 as per IS :52312-1984 ( head including water hammer effect )

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 tenderer.

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 40 mm dia. and common header 50 mm dia GMS Tubes (Medium Class) (IS:1239 - 1979) jointed with MS flanges of table-17 as per IS: 6392-1971 (upto a length of 20 mtrs ) including tappers, 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

Supply of suitable cable for water level guard

Supply of supporting clamps.

Supply of cable clips of required size.

Erection of all equipment from Sr No. 1 to 86 including cost of tees, bends, tapers and any other fittings required as per site conditions and as per direction of Engineer-in-charge.

IST STAGE

Providing horizontal spindle horizontal split casing/end suctions (back pull out arrangement) single/double multistage centrifugal pump or combination of pump in series of recommended make such as Mather and Platt/ KSB/ Kirloskar 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 Squrrel cage 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 shold include the cost of bearing nuts, bolts and painting etc and should meet the following requirement. .

(a)Pumps: Specifications

(i) Make

(ii) Model

(iii) No's of Stages

(iv) Material (manufacures certificate to be appended )

Performances

(i) Head (H) in

(ii) Discharge (Q) in

(iii) BHP absorbed

(iv) Efficiency (n)

(v) NPSH (K)

(b) Motors: (Specification)

(i) Make.

ii) Model

(iii) Motor rating (KW)

(iv) Speed

(v) Insulation :

(c) Coupling:

(d) Base plate.

Discahrge (Q) : -For each pump 3.09 lps or 11.12 Cum/ hours

Total dynamic head :300.87 metres.

(a) LWL in sump well (h) : 701.50 mtr

(b) Shaft level : 701.50 mtr

(c ) Level at discahrge point : 935.00 mtr

(d) Suction lift :

(e) Residual head : mtr

(f) Static head :233.50 mtrs

(i) Rising Main :

(a) Length 2100.00 mtrs

(b) Dia. :65 mm

(iv) Pumping Hours : 8 hours

(v) Altitude of installation above MSL : 850.00

(vi) Characteristics of water : clear water

(a) Temperature :

(b) Ambient temperature

(c ) Turbidity up to 50 ppm

(d) Alkalinity Mg/Ca Co3

(e) Size of the solids mm

(f) Other

Providing ICTP Main Switch with HRC fuses/Side handled operated L & T/ Crompton/ Standard/ Havells make Operational rating as per IS: 4064 ( Part-II) -1978 with up to date amendments immediately after the power meter of HPSEB of suitable capacity. i) Make ii) Model ii) Capacity Suitable Amps

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:-

Panel/Switch Board:

(i) Drawing

. (ii) Layout plan.

M.C.B.of Kilburn / MEI / Jyoti /Havell make of suitable 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(Part-II) -1985 with up to date amendments.

(i) Make

(ii) Type

(iii) Range: Suitable Capacity

ELCB of Havell/Inditec/ MDS/ L&T /Standard make as per IS: 2516(Part-II)-1985 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.

(i) Make

(ii) Type

(iii) Range: Suitable rating

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 of suitable capacity).

(i) Make

(ii) Type

(iii) Range: 380-440 volts

(i) Make

(ii) Type

(iii) Range:

Power factor meter of AE/ L& T make square type as per relevant IS codes with up to date amendments of suitable rating. Rate inclusibe in item No. 2 (A) above

(i) Make

(ii) Type

Frequency meter of AE/ L& T make square type as per relevant IS: Codes with up to date amendments of suitable rating. Rate inclusibe in item No. 2 (A) above

(i) Make

(ii) Type

(iii) Range: 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 of suitable capacity .

(i) Make

(ii) Type

(iii) Range: suitable rating

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

(i) Make

(ii) Type

(iii) Range: suitable rating

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

(i) Make

(ii) Type

(iii) Range: suitable rating

(i) Make

(ii) Type

(iii) Range: suitable

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 suitable capacity 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 .

(i) Make

(ii) Type

(iii) Range: suitable rating

Providing suitable oil immersed star delta starter of MEI/ Kilburn 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 with or without initial oil filling with single phase preventor as per IS 8544 ( Part-II) -1987 with up to date amendments . .

Starter

i) Type

ii) Make :

Singal Phase Prevantor

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

Hour Run meter

i) Type

ii) Make

iii) Range. Suitable rating.

Providing double flanged Cast iron sluice valve of Kirloskar/ Leader make of 65 mm dia for the suction pipe and capable of with standing the normal seat pressure and as per 780-1984 ( Part-I) Class PN 1.0 with upto date ammendments ..

i) Make

(ii) Class P.N.I

(iii) Seat pressure : 10.20 Kg Cm2

iv) Material C.I.

Providing double flanged Cast steel sluice valve of Kirloskar/ Leader make and size one dia higher than pump for the delivery line of the pump and capable of with standing the normal seat pressure and as per relevant IS 1414 API 600 Class ASA -300 with upto date ammendments ..

i) Make

(ii) Class ASA-300

(iii) Seat pressure : 52.00Kg Cm2

iv) Material :C.S..

Providing double flanged (Swing type) Cast steel reflux valve of Kirloskar/ Leader make size one dia higher having bye pass arrangement on the delivery line of pump and capable of with standing normal seat pressure as 1868/ API 600 ( Class ASA- 300 with up to date amendments .

Reflux valve

i) Make

(ii) Class ASA-300

(iii) Seat pressure : 52.00Kg Cm2

iv) Material :C.S..

Providing double flanged Cast steel non return valve of Kirloskar/ Leader make and size one dia higher having bye pass arrangement for rising main and capable of with standing normal seat pressure as per 1868 API 600 ( Class ASA- 300 ) up to date amendments .

Non return valve

i) Make

(ii) Class ASA-300

(iii) Seat pressure : 52.00Kg Cm2

iv) Material :C.S..

Providing 100 mm 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 range

(i) Make

(ii) Range :0.52Kg/cm2

Installation of all the items appearing at Serial No. 89 to 217 as per the direction and to the entire satisfaction of Engineer-in-Charge.

Providing and fixing double flanged MSERW 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 as indicated in the drawing including rubber/asbestos gasket of minimum 3mm thickness as per IS 2712-1979 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.

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

(i) Suction pipe 65 mm dia Min. length = 15 mtr.

(ii) Delivery pipe 50 mm dia -do- = 5 mtr.

(iii) Common Header 50 mm dia -do- = 10 mtr.

(i) Suction pipe GMSERW pipe 65 mm dia ( 4.8mm wall thickness) flanged with M.S. flanges of Table - 28

(ii) Delivery pipe. GMSERW pipe 65 mm dia ( 4.8mm wall thickness) flanged with M.S. flanges of Table - 28

And will extend up to 5 meters from the outer wall of the pump house in the direction to be jointed. (iii) Common header GMSERW pipe 50 mm dia ( 4.8mm wall thickness) flanged with M.S. flanges of Table - 28

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 Min length = 20 mtrs.

Supply side: Suitable Size Min length = 10 mtrs.

Providing and fixing double loop earthing and G.I. plate /copper 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.

RISING MAIN

Excavation in foundation , trenches etc., in all kinds of soil such as pickwork, jumper work blasting work, in soft / hard rock, including chiseling wedging out of rocks clearance of bushes etc.including shoring, dewatering etc. in all leads and lifts stacking the excavated soil upto any lead and lift 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 layers by ramming and watering and then disposing of all surplus earth within all leads and lifts complete to the entire satisfaction as directed by the Engineer-in-charge of the site of work.

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 5% of totle joints 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 50 mm dia Heavy class 0/0 to 80

GMS pipe 65 mm dia Heavy class 750 to 1200

Providing, Laying , jointing and testing of MSERW flanged/ butt welded joints by considering three layers pipes including cost of bends complete as per API specification i.e. 5L( standard pressure) Grade X-60 as per dimensions, weights and test pressure mentioned below in a random length of 4 to 7 metres . The M.S. flnages are to be provided 5% of totle joints as per Table given below conforming to 6392-1971 and welding of flnages wiht electrodes as per relevants codes including required number and size of nuts and bolts as per less than 3mm thickness as per relevants codes. The welding of flanges to be done on both faces in two layers to make the joint lead proof and to the entire satisfaction of the Engineer-in-Charge . The laying of pipe should be conformed to IS 5822-194 . (earth work in trenches flnages joints and butt welded joints to be measured and paid for seperately) The pipe shall have put side coating as per AWWA specification as per5 C-223 -1978 followed by a flood cost of coaltar approximately 3/32". Tapa completely dipped in coaltar inside cost shall be black bitumenous anticorrosive paint complete in all respects and to the enitre satisfaction of the Engineer-in- Charge.

GMSERW Pipe 65mm dia 4.5mm wall thickness from RD 0/0 to 750 Rmt

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.

GMS Pipe 40 mm dia GMS ( Heavy ) from RD 0/0 to 80 mtrs Table -5

MSERW Pipe 65 mm dia from RD 0/0 to 750 mtrs Table -28

GMS Pipe 65 mm dia ) from RD 750 to 1080 mtrs Table -28

GMS Pipe 65 mm dia ) from RD 1080 to 2100 mtrs Table -17

Providing Circumferencial Butt welded joints by electrical are welding to below mentioned dia and wall thickness GMS /MSERW 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 40 mm dia

Butt welding MSERW/GMS Pipe 65mm dia pipe .

Providing and fixing double flanged cast steel non return valve of 65 mm dia class ASA -150 having test pressure of 52.00 kg Cm2 of Leader/Kirloskar make as per BIS 1868/API-600 complete in all respect with in all leads and lifts including required No.of Nuts and bolts and gasket sheet not less than 4mm in thickness to the entire satisfaction of the Engineer-in-Charge .

Providing and fixing screwed type cast iron air release valve 25 mm dia (single ball type ) of Leader/ Kirloskar make as per BS 1452-90 with upto date amendments as per class PN 10.00 to with stand a seat pressure of 11.22 kg /Cm2 complete in all respects with in all leads and lifts & to the entire satisfaction of the Engineer-in-Charge .

rohit kumar

Bharat Engg and Suppliers

SANJEEV KUMAR

SG Engineers and Consultants

Raman Thakur Govt. Cont.

RANDEEP SINGH GOVT CONT