Renovation and construction of LWSS Malyour from New source Mani Khad in Tehsil Ghumarwin District Bilaspur SH Supply and erection of submersible pumping machinery with allied accessories complete in Booster stage, Supply and Erection of Centrifugal

Amount

Supply of mono block pumping set of Kirloskar / KSB/Crompton make conforming to latest relevent BIS code. The pump should be fitted with impellers of suitable alloy as per BIS 5659-1972 or latest with up to date ammendments suitable for raw water having greased packed bearings & shell with wound stator on motor side & with shaft protection sleeve on pump side ensuring better life for shaft conforming to BIS specifications. The pump shall be directly coupled to a submersible squirrel cage electric induction motor ( Water proof type) of required HP, RPM 2900 of KSB/Kirloskar/Crompton make conforming to BIS 9287-1979 latest with up to date ammendments totally dust & water proof for submersible duty isolated from the pump by intermediate casing with double mechanical seal in oil chamber chamber & grease packed lubricated bearings & provided with stainless steel thrust bearing plate to withstand non vertical loads with minimum wear & 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 guard, errection clamps, cable clips & depth gauge etc. & suitable for operation on data given below:

Total head in mtr (i/c depth of column pipe in case of 23.01 Mtr

Capacity (in LPS) of each pump set 3.58 LPS

Dia of rising main (in mm) 80 mm

Length of rising main 60 Mtr

SITE CONDITIONS

Locaotin of site Mani Khad/ Sump well

The altitute of place in which the motor is intended to work 600 mtr

Humidity: Whether generally remains humid during monsoon season

Nature of atmosphere As normally encountered in Shivalik Ranges

Detail of quality of water Raw water

Water free from sand of not Free from sand

Water corrosive or not Corrosive

Turbidity 150 PPM

Type of well Sump well

Inside dia of well 3.00 mtr

Depth of water during HFL in the khad 3.00 mtr

Max. draw down -

Depth of well 3.00 mtr

Any other informaton or requirement

OERATING CONDITIONS

Type of current AC three

Operating frequency: 50 HZ

Rated voltage 400(+-)10% volts

Sysem of earthing if any to be adopted Double loop earthing as per BIS 3043-1987 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 8Hrs

The max. temp of cooling air & water in the place in which the pump set is intented to work in ordinary service Temperature of place to be specifieed 200C to 420C

MOTOR

Ref. of BIS code BIS 9283-1979 or latest with upto date amendments.

Type of enclosure of motor As per BIS: 4691-1985 or latest with upto date amendements

Type of duty "S1" i.e. continous duty type as per IS: 12824-1989 or latest wit upto date amendements.

Mechanical out put in KW Suitale for driving submersble pump required for duties specified against pumps, to avoid overloading of motor a margin of about 15-10% may be kept in the rated outpur to prime mover.

Class of insulation: Class-B

Max. permissible temp.Rise of motor reqd. if different from that give in To be specified by the tenderer

Particulars of test reqd. and where they are to be coducted As per terms and conditions attached.

Particulars as to whether voltage imiting device wil lbe 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 with upto date amendements

Details of shaft extension required. To work with the pump offered

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

No of pump requred 2 No. Pumps 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 :

Total head in meters: 23.01 mtr

Static head : 18.5 mtr

Minimum depth of water: meters 515 mtr

Variation in water level: Meters. 515.5 mtr

Ground level to Max. water level: Meters 515.5 mtr

Ground level to delivery point: Meters 534 mtr

Pressure in the suction tank. Kg/Cm2

Pressure in the delivery tank: Kg/cm2

Length of rising main: Meters. 60 Rmt

Dia of rising main: mm 80 mm

Turbidity of water: 150 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 specified by the tenders.

Efficiency of pump at : to be specified by the tenderer.

Duty head: To be specified by the tenderer.

(+) 10% head: To be specified by the tenderer.

(-) 15% head: to be specified by the tenderer.

Material of construction: To be specified by the tenderer (Manufacturers certificate to be appended).

Supply of MS angle iron steel sheet 16 SWG fabricated floor mounting closed (Almirah type) switch board comperising and capable of mounting the following accessories and with all internal electric connections, dully 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/Crompton make to BIS: 4064-1978 latest with upto date amendements

Supply of floor/wall mounted power factor shunt capacitor conforming to BIS: 2834-1986 latest with upto date ammendments 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 busbar chamber to capacitor and also including L&T/LK/Kilburn make ICTP switches conforming to BIS –4064-1978 or latest with HRC fuses (range tobe specified by the tendrerer).

Supply of Direct online 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 penel board with magnetic type over load release and dashgas-pots, time legs, 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 amendements.

Providing and laying copper PVC insulated armoured power 3.5 core cable conforming to BIS: 1554 (Part-I) -1988 of ltest with upto date amendments Siemen/Closter/ICC make from meter of HPSEB to MCB and from MCB to Busbar 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, sie 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. Motor side: Suitable size Min length =15 mtrs Supply side Suitable size Min. length = 5 mtr

Supply of Kirloskar/Leader make 80 mm dia cast iron (class PN-1.0) double flanged (swing check type) reflux valve Non return valve having bye pass arrangement and 80 mm dia and capable of withstanding nominal seat pressure of 10.20kg/cm2 as per BIS: 5312-1984 (Part-I).

Erection of all equipments from Sr No. 1 to 3 including cost of tees,bends, tapers and any other fittings required as per site conditions and as per direction of Engineer-in-charge.

1ST STAGE Providing horizontal spindle horizontal split casing/end suctions (back pull out arrangement) single/double/ multistages centrifugal Reciprocating pump or combination of pump in series recommended make such as Matherand Platt/KSB/Kirloskar as per BIS-1520-1980 with upto date ammendments, read with IS: 9137-1978 or latest edition suitable for lifting Clear water under mentioned characterstics with bronze impellers/priming funnels, casing ring and shaft sleaves 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 Squarrel cage drip proof induction motor of standard make such as KirloskarCrompton/NGEF and suitable for operation on 400 (+)/-) 10% volts, 50 cycles/second, 3 phase AC electric supply. The power of electric motor should be atleast 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 upto date ammendments read with IS: 900-1972. It should etc. and should include cost of bearing units, bolts and pointing etc. and shoould meet the following requirements.

Discharge (Q) 3.58 LPS or 12.88 cum/Hr.for each. Pump.

Total Dynamic Head: 332.61 Meters.

LWL in sump well (h). 522.00 Meters.

Pump Shaft level: 519.50 Meters.

Level at discharge point. 810.10 Meters.

Suction lift. 0.00 Meters.

Residual head: 3.00 Meters.

Static Head. 288.00 Meters.

Rising main.

Length. 2850.00 Meters.

Dia. 80 mm

Pumping Hours. 8 Hours.

Altitude of Installation above MSL 550 Meters

Characteristics of water.

(a) Temperature 20o C

(b) Abient Temp. 42oC

(c) Turbidity Clear water <than 50 JTU)

(d) Alkalanity. Mg/Ca Co3

(e) Size of the solids. Mm

(f) Other.

Providing ICTP main switch with HRC fuses of L&T/Crompton/Standard/Havells make and having suitale Capacity operational rating as per IS: 4064-1978 with upto date amendements 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:- ICTP Switches (i) Make ii) Model iii)Capacity: iv) Suitable capacity.

M.C.B of Havells/MDS/Standard make 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: 2516-1985 with upto date ammendments with. i) Drawing ii) Layout plan

E.L.C.B. of Havlle /MDS/INDIETEC make as per IS: 2516-1977 with upto date ammendment and of 63 Amp. Capacity 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. MCB i)Make ii) type iii) Range:Suitable iv) 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). ELCB i)Make ii) Type iii)Range: 63 Amp

Power factor meter of standard make AE/L&T Rishab as per relevant IS code with upto date ammendments of suitable rating. Voltmeter. i) Make ii)Type: iii)Range:0-500 volt

Frequency meter of standard make AE/ L&T rishab make as per relevant IS: Code with upto date ammendments of suitable rating. Power factor meter. i) Type ii)Make:

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 upto date ammendments Frequency meter. i) Type ii)Make iii) Range::

ICTP switches with HRC fuses of L&T/Standard/ Havells make and of suitable capacity as per IS: 4064-1978 with upto date ammendments Bus Bar chamber. Make Rating: Suitable

Three phase indicator lamps complete with toggle switches for individual motors as per IS: 3452 ( P-I&II) with upto date ammendments. 15 Watt ICTP Switches i) Type ii)Make: iii) Range:Suitable

Capacitor of L&T/Bajaj/Assian/Crompton make as per IS: 2834-1986 latest with upto date ammendments to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR rating according to HP offered including cable as per relevant ISI code of siemens/Gloster/IEC make form busbar chamber to capacitor and also including ICTP switches of appropriate range as per IS:4064-1978 with upto date amendements. Ammeter. i) Type ii) Make iii)Rang: Suitable

Providing suitable oil immersed star delta starter of L&T/Crompton/Siemen make conforming to BIS 8544-1979 latest with upto date amendments for squirrel cage motor mounted on penel board with magnetic type over load release and gash-pots, time legs, 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 amendements. Capacitor i) Type ii) Make iii)Rang: Suitable

Providing Hour run meter of recommended make of suitable capacity as per IS: 722 ( Latest edition) 0-9999 Hours. Starter i) Type ii) Make iii)Rang: Single Phase Preventor i) Type ii) Make iii)Rang:

Providing double flanged cast iron sluice valve of Leader/Kirloskar/ KSB make class PN-1.0 of 125mm dia for the suction pipe and capable of withstanding the normal seat pressure 10.20kg/cm2 as per IS: 780-1984 with upto date amendements in all leads and lifts and to the entire satisfaction of the Engineer-in-charge. Hour Run Meter. i) Type ii) Make iii)Rang:

Providing double flanged cast steel sluice valve of Leader/Kirloskar/KSB make and size one dia higher than pump for the delivery line of the pump and capable of withstanding the normal seat pressure 52kg/cm2 and as per IS:1414/API-600 ( class PN ASA-300 with upto date amendments Sluice valve. Make Class-) PN-1.0 Seat pressure:10.20kg/cm2 Materials: C.I

Providing double flanged (Swing type) cast steel Reflux valve of Leader/ Kirloskar/ KSB make and size one dia higher than pump having by pass arrangement of the delivery line of pump and capable of with standing normal seat pressure 52kg/cm2 as per IS: 1414/API-600 (class ASA-300) with upto date amendements. Sluice valve Make Class-) ASA-300 Seat pressure:52Kg/cm2 Materials: C.S

Providing double flanged cast steel Non Return vlave of Leader/ Kirloskar/ KSB make 80mm dia having bye pass arrangement for rising main and capable of with standing normal seat pressure 52kg/cm2 as per IS: 1414/API-600 (class ASA-300) with upto date amendments. Reflux valve Make Class-) ASA-300 Seat pressure:52kg/cm2 Materials: C.S

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 upto date amendments Non Return valveMake Class-) ASA-300 Seat pressure:52kg/cm2 Materials: C.S

Installation of all the items appearing at Serial No. 1 to 8 as per the systematic drawing attached with the tender documents. (Drg.No.1) Pressure guage Make: Range:0-52 Kg/cm2

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 as indicated in the drawing No.2 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 : 80 mm dia Min.length = 15 mtr flanged with table-5

(ii) Delivery pipe :65 mm dia -do- = 5 mtr flanged with table-28

(iii)Common Header :80 mm dia -do- = 10 mtr.flanged with table-28

and will extended upto 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 ammendments 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 Min length =20 mtrs Supply side Suitable Min. length =10 mtr

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 and G.I wire as per IS: 3043-1987 with upto date amendments for motors and other electrical equipments and digging of pits etc. complete in all respect.

Excavation in foundation and trenches etc. ( for pipe and pits) up to all depths and in all kinds of soils such as pick work, pick jumper work, saturated soil including bailing or pumping out of water, blasting in soft/ hard rock, chiseling/wedging out of rock 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 materials/ soils separately and after laying, jointing and testing of pipes, returning the usable soils in 15 cm layers by ramming and watering and then disposing of all surplus excavated soil / unusable materials as directed within all leads and lifts including restoration of un-metalled surfaces to its original condition and 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 within all leads and lifts as per the direction of the Engineer-in-charge.

Laying jointing and testing of below mentioned GMS tube every fifth joint flanged with MS flange as per IS: 6392-1971 and remaining four joint of butt welding complete in all respect within allleads and lifts and to the entire satisfaction of the Engineer-in-charge. (The cost of flanges butt welds joint to be measured andpaid for separately).

Rising main Booster stage GMS tube 80mm dia (H.C)

1st stage GMS tube 80mm dia (H.C) RD 0 to RD 840

GMS tube 80mm dia (M.C) RD 840 to RD 2850

Providing and welding of MS flanges at suitable point confrming to following table as per IS 6392-1971 (latest with upto date amendments) welding of MS flanges in thickness two layer on outer face and one lyaer on outer face of each flange GMS pipe and bend on both ends (The GMS pipe to be measured and paid for separatly). The welding of flnages conforming to IS: 816-1969 with electrodes as per IS: 814-1991 and required of nuts and bolts conforming to IS: 1364 including the cost of gasket sheet not less than 3.00 mm conforming to IS: 2712-1998, the work shall be done and to the entire satisfaction of the Engineer-in-charge in all leads and lifts.

Rising main Booster stage GMS tube 80mm dia (M.C) RD 0 to 60 table-5

1st stage GMS pipe 80mm dia (H.C) RD 0 to 840 table-28

GMS pipe 80mm dia (M.C) RD 840 to 2220 table-17

GMS pipe80mmdia (M.C) Rd 2220 to2850 table-5

Providing circumferential butt welded joints by electrical arc welding of GMS tube 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 2.5mm to 6.3mm of Advani Orelon (Adore)-CITOJET/ESAB make, conforming to IS: 814-1991 at site of work complete in all respect, including manual/ mechanical handling of pipe in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.( Butt welding joints of various dia).

Rising main Booster stage GMS pipe 80mm dia RD 0 to 60

1st stage GMS pipe 80mm dia from RD 0 to 2850

Providing doule flanged cast steel reflux valve of following dia class -API/600 of Leader/Kirloskar/ KSB make of various dia for rising main and capable of with standing folowing normal seat pressure conforming to BS: 1868/API-600 with upto date amendements and to the entire satisfaction of the Engineer-in-charge.

80mm dia table-5 class ASA-300

80mmdia table-5 class ASA-150).

Providing and fixing screwed type cast iron air valve of 25mm dia (single ball type) of Leader make conforming to BS: 1452-90 with upto date amendements as per class PN-1.00 to withstand a seat pressure 11.22kg/cm2 in rising main and to the entire satisfaction of the Engineer-in-charge.

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