Restoration of rain damages of LWSS Ootpur Sandha in Tehsil Lad Bharol District Mandi H.P SHSupply Errection of Pumping Machinery 75 HP with allied accessories

Amount

Providing raw water pump set of reputed/approved make such as KSB/Kirloskar model KRTU/AMAREX or eq. suitable for lifiting raw water in sump/storage tanks/jack wells etc having inflow mix with cold water with impellers priming funnel casing ring and shaft sleeves of CI Shaft of stainless steel with cast iron casing mounted on extended shaft ( to same make as that of pump) of suitable electric induction motor of 7.5 KW/10HP. The pumpset shall be suitable for operation on 415+/- 10% volts 3 Phase AC supply. The power of motor should be at least 10% in excess of maximum power required by the pump in complete operating range of +10% and (-) 25% of duty point head. The motor should confirm to latest IS specifications with up to date amendments. It should include cost of wiring nut & bolts painting etc complete and should meet the following requirements:- A) SITE CONDITIONS i) Location of Site Bank of Beas River ii) Discharge = 8.85 LPS for each pump. iii) Total Head = 345 Mtrs iv) Length of column/ Discharge pipe = 2250 Mtrs each pump v) Dia of colmn assembly = 125 mm dia vi) Low Water Level = 625 mtrs vii) Submersgence Level = 545.00 mtrs. viii) Bowl assembly head = ix) Column losses = x) Effected haed = xi) Bowlassembly in put = xii) BHP = To be quoted by the firm. xiii) Bowl efficency =To be quoted by the firm. xiv) Pump efficency =To be quoted by the firm. xv) Motor efficency =To be quoted by the firm. xvi) Rated HP of motor =To be quoted by the firm. xvii) Over all efficency =To be quoted by the firm. xviii) Turbidity (if any) up to 600 PPM xix) Any other information or requirement B) OPERATING CONDITIONS i) Type of current AC three/single phase ii) Operating frequency 50 HZ

iii) Rated voltage 400 (+/-) 10% volts iv) System of earthing if any to Double loop earthing as per BIS 3043-1987 to be adopted. latest with upto date ammendments v) No. of working hours per day 16 hours vi) Speed of revolution in RPM To be quoted by the tenderer vii) Direction of rotation To be quoted by tenderer viii) The max. Temp. of cooling air 25 Degree Centigrade & water in the place in which the motor is intented to work in ordinary service. D) PUMP (BIS 1520-1980 ) read with BIS 9137-1978 both latest with up to date ammendments a) Nos of pumps reqd. 2 no. pumps (one will act as stand bye) b) Spare parts required For Two years normal maintenance as recommended by manufactu c) Optional fittings reqd. Air cock for exahausting air from each stage. d) Material of construction To be specified by the tenderer (manufacturer~s certficate to be appended)

Supply of suitable oil immersed star delta starter/ATS/stator rotor starter of standarad make such as MEI/Kilburn/Jyoti/ Siemens cnonforming to BIS-8544-1979 latest with up to date ammendments for squirrel cage (make to be specified by the tenderers) mounted on panel board withmagnetic type over load release & dashpot,time lag,under voltage release with initial oil filling .

Providing & fixing M S sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angale iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessaries with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.

ICTP switches with HRC fuses Kilburn/Larsen & turbo/Standard/Siemen make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date ammendments immediatly after the power meter of HPSEB.

Busbar chamber having 3 copper bars of suitable rating for full length equal to width of board of 3 live phases and one copper bar of half reating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date ammendments.

MCB/Oil circuit breaker of suitable capacity of Kilburn/LT/LK/MEI/Standard make on in comming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date ammendments 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 up to date ammendments.

Earth leakage circuit breaker of requcemended (Kilburn/L&T/MET/GEC as per BIS-2516-1977 with upto date ammendments and of suitaible range with which should have control box, oprating handel and trip/reset bush button on/ off indicators, re-indicating off spring conditionof 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.

Hour run meter of reputed make of four digit capacity conforming to BIS-722(latest edition)/recommendations.

Suitable three phase voltage monitor relay with all protections & usual indicators with electrical sirens against single phasing,no voltage,high voltage & overloading & phase voltage difference

Change over Switch of reputed make & suitable capacity

Single phase preventor of reputed make & suitable capacity

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/ Kartar of reputed make of suitable size cast iron PN-1 double flanged sluice valve having size equal to due step higher than delivery of pump and capable of with standing nominal seat pressure of 10 kg/cm^2

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Kartar of suitable size cast Iron PN-1 double flanged swing check type reflux valve having bye pass arrangement & size equal to delivery of pump for withstanding nominal seat pressure of 10 kg/cm^2

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Kartar of suitable size cast Iron double flanged swing check type reflux valve having bye pass arrangement & size equal to dia of R/main for withstanding nominal seat pressure of 10 kg/cm^2

P/L suitable size copper PVC insulated armoured power 3..5 core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date ammendments Siemen/Gloster/ICC make from meter of HPSEB to OCB & from OCB to Busbar switch & starter (one cable carrying all three phases) including all other electrical equipment/accessories such as thimbles,flexible pipe,solder,nuts & bolts,cable glands etc. laid in pipes or trenches under floor .The type,size & 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 free of cost..

P/L suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554(part I)-1988 or latest with up to date ammendments Siemen/Gloster/ICC make from switch to starter & starter to motor (one cable for carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder,nuts & bolts,cable glands etc. laid in pipes or trenches under floor. The type,size & 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 free of cost.

P/L double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes,thimbles,nuts & bolts,digging of pits,GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date ammendments for above motors & other electrical equipment.

Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 latest with upto date ammendments BHEL/GEC/Machneil/ Mager/Bajaj 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 LT/LK/Kilburn make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer.

Supply of standarad make 100mm dia circular dial pressure gauge of suitable range Fiebeg/Bourden/ Precision make with all accessories such as stop cock,copper tubing etc. conforming to BIS 3624-1987 latest with up to date ammendments.

P/L column pipe considering site requirements,NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers,flanges,rubber gaskets,3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 mtrs. away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge The pipes shall be capable of withstanding 1.5 times thetotal presure indicated in item no. 1e(ii).

Naik Electrical Works

Sunny Kapoor