Providing LWSS to Tarat Bass and Adj hab Of GP Tontha Jakhal in Tehsil kamrou Distt Sirmour HP

Amount

Supply, erection, testing & commissioning 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 characterstics as mentioned in item 1 (A) as under. 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.- 2 Set (2X60=120HP)

a) Total Head in mtrs (i/c depth of Column Pipe in case of t/well) : 512.00 b) Capacity (in LPS) 4.03 LPS c) Dia of R/Main (in mm) 80.00 mm d) Dia of Column pipe (in mm)

(A) SITE CONDITIONS:- Motorable i) Location of site:- ii) The altitude of place in which the motor is intended to work:- iii) Humidity:- Whether Generally remains humid during monsoon season iv) Nature of Atmosphere:- As normally encountered in Shivalik Ranges v) Detail of quality of water:- Clear Water vi) Water free from sand or not:- Free from Sand vii)Water corosive or not:- --- viii)Turbity:- --- ix) Type of well --- x) Inside dia of well xi) Depth of water during HFL in the pond xii)Max draw down xiii)Depth of well xiv) Any other information or requirement: -

(B)OPERATING CONDITIONS:- i) Type of current:- ii) Operating frequency:- iii) Rated voltage iv) System of earthing if any to to be adopted:- Double loop earthing as per BIS 3043-1987 latest with upto date ammendments v) Speed of revolution:- To be quoted by tenderer vi) Direction of rotation:- To be quoted by tenderer vii) No. of working hours per day: - 08 Hours. viii)The max. Temp. of cooling air & water in the place in which the pump set is intended to work in ordinary service:-

(C) MOTOR i) Ref to BIS code:- BIS 325-1978 read with BIS 900-1992(latest)with upto date ammendments ii) Type of enclosure of motor:- as per BIS 4691-1985 or latest with upto date ammendments. iii) Type of duty:- "S1" i.e. Continuous as per IS-12824-1989 or latest withy up to date ammendments. iv) Mechanical out put 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 out put of prime mover. v) Class of Insulation:- Class ~B~ vi) Max.permissible temp. rise of motor reqd. if different from that given in B (viii) above:- To be specified by the tenderer vii) Particulars of test reqd. & where they are to be conducted:-. As per terms & conditions attached viii)Particulars as to whether voltage limiting device will be employed:- Star Delta starter, oil immersed,fully automatic to be installed between bus bar & motor. Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW & ATS for 37.5 KW, ATS between 37.5 KW to 50 KW) ix) Type of Motor: - As per BIS 9283-1979 or latest with upto date ammendments. x) Details of shaft extension reqd.:- To work with the pump offered. xi) 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. xii) 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:- To work the pump offered xiii) 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

(D) PUMPS BIS 1520-1980 read with BIS 9137-1978 both with up to date ammendments (i) Nos of pumps reqd.:- 2 No. Pump (ii)Spare parts required:- For two years normal maintenance as recommended by manufacturer. (iii)Type of Drive iv) Optional fittings reqd.:- ---

(E ) PUMP OPERATING CONDITIONS:- As per conditions attached. I) Capacity in LPS 4.03 ii) Total head (in mtrs) 512.00 mtrs (If total hed is not known then folllowin detail be provided) i) Static head (in mtrs) 480 mtrs 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 Kg/cm^2) vi) Pressure in the suction tank (in Kg/cm^2) iii) Length of R/Main (in mtrs):- 1360 Mtrs. iv) Dia of R/Main (in mm):- 80 mm v) Length of column Pipe (In Mtrs.) vi) Dia of column pipe vii) Terbity of water (in ppm) Clear water viii) Drive Type Electric Driven ix) Limits of total head in which the pump is reqd. to operate: - (-)15% to (+)10% of total head x) Suction/delivery size of pump:- To be specified by the tenderer xi) Efficiency of pump at:- To be specified by the tenderer a) duty head -- b) (+)10% of head -- c) (-)15% of head -- xi) Material of construction:- To be specified by the tenderer(manufacturers certificate to be appended)

Providing & fixing of Auto control panel with push button star delta starter for centrifugal pumps of L&T and reputed make fabricated with M.S. Sheet and Angle stand duly painted and complete with internal wiring, comprising of main switch of suitable amp. T.P. volt meter, ammeter hour run meter phase indicating lamps with GSM based. Remote start/stop operation call/sms for feedback regarding running of pumps & breakdown message, timer scheduling for fixed hours in a day, inbuilt protection against overload/undervoltage, Dry run single phase preventor, inbuilt GPS tracker phase reversal configurable volt/current limits with a facility to access the system through minimum 10 Nos. authenticated mobile Nos. complete in all respect, including entire carriage of materials upto all leads and lifts, installation and testing at site with entire satisfaction of Eingineer-in-charge.

supply and fixing at site of work Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/KSB make of suitable size cast steel double flanged sluice valve having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentionmed in item No. 1(a) + surge pressure & conforming to BIS/API-standards with up to date ammendments for delivery line of pump.Class of valve shall be ASA 600

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader make of suitable size cast iron/cast steel double flanged swing check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentionmed in item No. 1(a) + surge pressure & conforming to BIS/API-standards with up to date ammendments for delivery line of pump.Class of valve shall be ASA 600

Supply and fixing at site of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/KSB/Pelicon make of suitable size Cast Steel double flanged swing check type reflux valve conirming to API/BIS standard with up to date ammendments for R/main as mentioned in item No.1 (c) for withstanding nominal seat pressure as per item No.1(a)+ surge pressure The size of reflux valve shall be equal to size of Rising main of the same shall be provided with suitable bye pass arrangements. Class of valve shall be ASA 600 & shall be of 80 mm diameter.

Supply and fixing at site of Jyoti/Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/KSB/Leader make cast iron double flanged sluice valve for (+ve suction) for suction pipe having size one or two size larger than suction size of pump such that valocity of flow in suction pipe is not more than 3.00 mtr/sec conforming to BIS/API-standards with up to date ammendments. The class of pipe shall be PN 1.60

P/L suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date ammendments of Siemen/Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar 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 at site of work suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date ammendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable 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 suitable for above motors & other electrical equipments.

Supply & errection at site of floor/wall mounted power factor shunt capacitor of suitable KVAR conforming to BIS 2834-1986 or latest with upto date ammendments of BHEL/GEC/Machneil/ Mager/Bajaj/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).

Supply and fixing at site 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.

P/F MSERW double flanged suction, delivery pipe & common header conforming to Grade 'A' as per IS/ISO 3183-2007 specifications or latest with up to date ammendments 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 sumpwell and jointing of delivery pipe with R/Main as per layout drawings approved by Engineer in Charge. The pipe shall be capable of withstanding minimum 1.50 times the pressure indicated in item No 1E (ii) or Total dynamic pressure+ surge pressure whichever is more.The size of suction pipe is not more than 3.00 mtrs./ sec & delivery pipe shall be of size larger than nominal size of pump. The thickness of MSERW pipe shall be 5.50 mm jointed with Flanged joint of FT -34 NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in Charge

Chatter Singh

shiv iron general engineers