Restoration of rain Damages to LWSS Chaba SH Providing Pumping Machinery and motors of requisite capacity including electrical panel capacitor bank LT breaker panel PLC panel soft starter control panel RSF all capacity of Motors RMU cab

Amount

Supply, erection, testing & commissioning with automation of horizontal spindle,horizontal split casing,radial split Single,/Multistages centrifugal pumps of standarad make such as KSB/ Mather & Platt/ Jyoti /Kirloskar/ Beaconweir /BS & BE conforming to BIS 1520-1980 with upto date ammendments read with BIS 9137-1978 or latest edition to handle clear water having turbidity up to 50 ppm. with impelleres,casing ring, priming funnels & shaft sleeves of bronze, shaft of steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirlokar/ NGEF/ Crompton / Siemen/Jyoti /GEC make slip ring /squirrel cage screen protected drip proof induction electric motor suitable for operation on the data given below, including all leads and lifts and as per entire satisfaction of Engineer - in - charge 2 Sets 500 HP

Total Head :- 542.35 mtrs.

Capacity :- 43.40 lps of each pump .

SITE CONDITIONS:-

Location of Site:-

The altitude of place in which the motor is intended to work in ordinary service (in metres) :- To be filled by the Engineer Incharge.

Humidity:- Weather generally remains humid during monsoon season.

Nature of atmosphere:-

Detail of quality of water:- Clear cold water

Water free from sand or not :- Yes

Water corosive or not :- Not

Turbidity (if any):- 1.5 NTU.

NPSH available:- Positive suction.

Any other information or requirement:-

OPERATING CONDITIONS:-

Type of current:- AC three/single phase

Operating frequency:- 50 HZ

Rated voltage:- 400 (+/-) 10% volts

System of earthing if any to to be adopted.:- Double loop earthing as per BIS 3043-1987 latest with upto date ammendments

No. of working hours per day:- 16 hours

Speed of revolution in RPM:- To be quoted by tenderer

Direction of rotation:- To be quoted by tenderer

The max. Temp. of cooling air & water in the place in which the motor is intented to work in ordinary service.:- 35 Degree Centigrade

MOTOR:-

Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest)with upto date ammendments

Enclosure type TEFC IE 2 /CACA as per IS 12615

Type of duty:- Continuous as per IS-12824-1989 or latest with up to date ammendments

Mechanical out put in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps.To avoid overloading of motor a margin of about 15-20% may be kept in the rated out put of prime mover.

Class of insulation:- Class ~F~

Max.permissible temp.rise of motor reqd. if different from given in B(viii) above:- 16.5O

Particulars of test reqd. & where they are to be conducted:- As per terms & conditions

Motor :-slip-ring

Details of shaft extension reqd.:- Just sufficient to provide direct drive by flexible coupling to pump.

Type of slip-ring gear whether continouly rated or for starting purposes only & whether to be fitted with brush lifting or short circuit arrangements or both if interlocks are rquired.:- Continously rated for Squirrel cage/ Slipring motor

Breakway torque in terms of rated load torque & the corresponding breakway starting current which may be taken from the supply with the starting apparatus in circuit.:- Breakway 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 & 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 accelrated & No.of starts during a specified period.:- Sufficient 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.

PUMP :-BIS 1520-1980 read with BIS 9137-1978 both with up to date ammendments

Nos of pumps reqd.:- 2 Nos pump.

Spare parts required:- For 10 years normal maintenance as recommended by manufacturer.

Optional fittings reqd.:- Air cock for exahausting air from each stage.

PUMP OPERATING CONDITIONS:-

Capacity (in LPS) 42.40 LPS by each pump set

Total head (in Mts).:- 542.35 mtrs.

If total head is not known then

following details be provided:-

i) Static head ( in mtrs) =488.50

ii) Minimum depth of water( in mtrs)

iii) Variation in water level ( in mtrs)

iv) Ground level to max. water level ( in mtrs)

v) Ground level to delivery point ( in mtrs)

vi) Pressure in the suction tank (in Kg/cm^2 )

vii) Pressure in the delivery tank (in Kg/cm^2 )

Length of R/Main (in metres):- 14200 mtrs

Dia of R/Main (in mm):- 450mm.

Drive arrangement:- Direct through flexible coupling on a common base plate

Drive type:- Electric driven

NPSH reqd.:- To be quoted by the tenderer

Limits of total head in which

the pump is reqd. to operate.:- (-) 15% to (+) 10% of total head.

Suction/delivery size of pump:- 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 (manufacturer~s certficate to be appended)

Programmable Logic Controller for Automatic motor and pump control with text HMI, multiple timings option settings, Separate 12 V dc SMPS UPS backup meeting the protection and control criteria enclosed in technical specification with data logger capable of generating log run report.related to current voltage, energy consumption discharge running hours frequency and other pump / motor characteristics, including all leads and lifts and as per entire satisfaction of Engineer - in - charge

Soft starter of appropriate rating for motor specified in technical specification for the purpose of controlled starting and stopping of the pump, with adjustable upper and lower voltage and current limit , including all leads and lifts and as per entire satisfaction of Engineer - in - charge

Float type two point low/high level monitoring system of water supply tank ( Sump well) integrated with the Programmable Logic Controller for dry run protection and automatic pump control, including all leads and lifts and as per entire satisfaction of Engineer - in - charge

Easy fault Diagnostics with led display for main supply missing or <75%, phase loss, phase reversal & other errors, including all leads and lifts and as per entire satisfaction of Engineer - in - charge

Automatic Phase reversal rectifier of appropriate capacity suitable for the above specified motor , including all leads and lifts and as per entire satisfaction of Engineer - in - charge

Ammeter for AC supply of appropriate capacity suitable for the above specified motor, including all leads and lifts and as per entire satisfaction of Engineer - in - charge

Frequency Meter for AC supply of appropriate capacity suitable for the above specified motor , including all leads and lifts and as per entire satisfaction of Engineer - in - charge

Voltmeter AC supply of appropriate capacfity suitable for the above specified motor, including all leads and lifts and as per entire satisfaction of Engineer - in - charge

MCCB of appropriate capacity suitable for the above specified motor for mains ON/Off to the panel, including all leads and lifts and as per entire satisfaction of Engineer - in - charge

Indicator for mains ON-OFF, System Standby- Overload - Run, Sump Empty - Full, RYB Phase, including all leads and lifts and as per entire satisfaction of Engineer - in - charge

Motor Protection Circuit Breaker for 3 phase/3 wire under voltage/over voltage protection, short circuit protection, overload protection, phase loss, phase reversal protection and motor disconnect function, including all leads and lifts and as per entire satisfaction of Engineer - in - charge

Rust free powder coated Control panel suitable for housing all the above listed electrical and electronics components, including all leads and lifts and as per entire satisfaction of Engineer - in - charge

Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/MET/GEC conforming to BIS-2516-1977 with upto date ammendments and of suitaible range which should have control box, oprating handel and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circut breaker for over current protection. The circuit should be equipped with magnet thermal release with metallic tap CTS. It should also be fitted earth fault for tripping of breaker on occurance of earth fault on/ of breaker load side compatible with the automation system, including all leads and lifts and as per entire satisfaction of Engineer - in - charge

instead of RED marked it should be :-S/E of APFC panel of Havells/ L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually,of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer), including all leads and lifts and as per entire satisfaction of Engineer - in - charge

Supply of 100mm dia circular dial pressure gauge of suitable range & standard make such as Fiebeg/Bourden/ Precision/ PREGA with all accessories such as stop cock,copper tubing etc. conforming to BIS 3624-1987 or latest with up to date ammendments, including all leads and lifts and as per entire satisfaction of Engineer - in - charge

SB Trading company

HARJEET SINGH