Providing water supply scheme to NDRF complex at village Jachh in Tehsil Nurpur District Kangra Himachal SUB-HEADProviding and installation of Submersible Pumping Machinery with allied accessories and Laying, jointing and testing of Rising Main

Amount

Supply of Submersible Pumping Set of KSB make conforming to BIS-8034-1976 (Latest) suitable for clear water fitted with bronze Impellers or suitable alloys directly coupled to squirrell cage electric Induction Motor of same make as that of Pump conforming to BIS:9238-1979(Latest with uptodate ammendments) and totally water proof for Submersible duty,isolated from the pump by intermediate casing with double Mechanical seal in oil chamber,grease packed lubricated bearings and provided with stainless steel thrust bearing plate to withstand 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 including water level guard,erection clamps,cable clips and depth gauge etc. The Pump shall be sui-table for operation on data given below:-

Location of site :-The site is located at a distance of 10 Kms.from Nurpur Road Railway Station.

The altitude of place in which :-Altitude of place is 500 Metres above Mean Sea Level the Motor is intended to work

Type of current :-A.C.Three phase supply with frequency 50 cycles per second.

Rated Voltage :-415 Vvolts (+/-) 10%

Characterstics of water :-(a).Temperature = 20°C (f) PH =_7 to 8____ (b).Turbidity =Upto 10NTU (g) Total solids____Mg/Litre (c). Hardness =__Mg/Litre(as CaCo3) (h). Others_____ (d).Alkalinity =__Mg/Litre(as CaCo3)

Depth of Collection Tank = Possitive Suction.

L.W.L.in C/ Tank :- 424.00 Metres

Maximum draw down level :- 424.00 Metres

Centre line level of Pump :- 424.00 Metres

Discharge level of highest point :- 541.00 Metres

Nos.of Pumps required :- 2 No.Pump.

Capacity :- 2.94 L.P.S.

Total head in Metres :- 157.31 Metres

Length of Rising Main :-1255.00 Metres

Dia of Rising Main :- 65 mm dia G.I.pIpe.

No.of working hours per day :-16.00 Hours.

Limits of pump operation :- ( - ) 15% ( + ) 10% of total head.

H.P.of Motor/Drive unit :-Required 10.00 H.P.of Pump at ( + ) 10% and ( - ) 15% of total head. . BHP.with following margins/multiplying factor at duty point,whichever is higher. . a).Upto 2 H.P. =1.50 (d) 10 to 20 H.P. =1.20 . b).2 to 5 H.P. =1.40 (e) 20 to 100 H.P. =1.15 . c) 5 to 10 H.P. =1.30 (f) Above 100 H.P. =1.10

Test Run :-16 Hours continueously for 7 days.

Providing and fixing Cast iron double flanged sluice valve of Kirloskar/Kilburn/IVC./Fouress /Gled/BHEL/Leader make of size mm.and Class PN 1.6 having one size higher to delivery size of Pump and capable of withstanding nominal seat pressure of 21.00Kgs/Cm². confirming to BIS 780-1984 (The size & class of valve shall be specified by the tenderer).

Providing and fixing of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader make Cast iron double flanged swing Check type Reflux Valve having bye pass arrangement and one size higher to delivery size of pump(size mm.dia and class PN 1.6 and shall be suitable for withstanding nominal seat pressure of 21.00Kgs./cm² confirming to BIS 5312-1984 Part-II )(The size & class of valve shall be specified by the tenderer).

Supply of Kirloskar/Kilburn/IVC/Foluress/Gled/BHEL/Leader make Cast Iron double flanged Swing Check Type Reflux Valve having bye pass arrangement and of size equal to dia of Rising Main i.e. 65mm.& class PN 1.6 shall be suitable for withstanding nominal seat pressure of 21.00 Kgs./Cm²).confirming to BIS 5312-1984

Providing and laying suitable size copper PVC.insulated armoured power 3.5 core cable of size 4 mm² conforming to BIS-1554-Part-I -1988 or latest with uptodate ammendments Siemen/Gloster/ICC make from Meter of HPSEB. to MCB/OCB & from OCB to Busbar Switch & Starter(One cable carrying all three phases) including all other elecrc equipments/accessories such as thimbles,flexible pipe,solder,nuts & bolts,cable glands etc.laid in pipers or trenches size and make will be subject to approval of HPSEB.authorities. In case of non-acceptance by HPSEB.auithority shall have to be replaced by the tenderer free of cost.

On supply side of 3.5 Core (from HPSEB.Meter to Switch & Starter) (The size of cable shall be specified by the tenderer).

Providing and laying PVC.jointless flat water proof copper cable 4mm² as per BIS-694-1990(Latest with uptodate ammend-ments) suitable for the pump set offered from OCB to Motor, Motor to Starter including all other electric equipment such as;thimbles,flexible pipe,solder,nuts & bolts,cable glands etc.laid in pipes or trenches under floor. The type and make will be subject to approval of HPSEB.authorities. In case of non-acceptance by HPSEB.authoirity,it shall have to be replaced by the tenderer free of cost.

On Motor side 3 core (from Switch & Starter and Motor) (The size of cable shall be specified by the tenderer).

Providing and laying doub le loop earthing with copper plate 600x600x3mm.thick electrode complete with material such as;char coal,common salt,G.I.Pipes,thimbles,nuts & bolts,digging of pits,G.I.wiring and 25x5mm.copper strips of required capacity conforming to BIS-3043-1987 latest with uptodate ammendments for above motors and other electrical equipments.

Supply and erection 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 H.P.of Motor offered including Siemens/Gloster/ICC make from Busbar chamber to capacitor and 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 standard make circular dial pressure gauge of suitable range of Fiebeg/Bourden/Precision make with all accessories such as;stop cock,copper tubing etc.conforming to BIS-3624-1987 latest with uptodate ammendments.

Providing, laying and lowering of column assembly of suitabie dia and making connection with Rising Main(150mm dia)G.I.pipe (Medium Class) Conforming to IS-1239 or MSERW.Pipe 4.8mm tick conforming to BIS 1978-82 considering site requirement duly flanged at every 3 Metre length with flanges conforming to BIS-6392-1971 (Table-5 )including tapers,flanges,rubber gaskets 3 mm thick as per BIS-2712-1978 ,nuts &bolts as per 1364-1983 as per .direction of Engineer-in-Charge or as per layout approved by the Engineer-in-Charge.The pipes shall be capable of withstanding 1.5 times the total pressure indicated in item No.1(xiii)

Column pipe mm-dia (size to be specified by the tenderer).

Erection of all equipments from S.No. 1 to 4 and 6 including cost of tees, bends,tapers and any other fittings required as per conditions and as per directions of the Engineer-in-Charge.

Excavation in foundation trenches (for Pipes & Pits) upto all depths in all classification of earth work such as pick work, jumper work, saturated soil including bailing or pumping out water, blasting soft /hard rock or chieselling soft /hard rock where blasting is prohibited in all lifts including trimming & dressing of sides leveling of beds to correct grade including shoring/strutting planking, timbering & dewatering wherever required stacking the serviceable and unserviceable material / soil separately and after laying, jointing and testing of pipes, returning the unserviceable soil in trenches in 15cm ( Fifteen centimeter) layers including consolidating of such deposited layer by ramming and watering & then disposing of all surplus excavated soil/ unserviceable material as directed within all leads and lifts including restoration of un-metalled surface to its original condition and including cost of diversion for traffic, night signals, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respect with in all leads and lifts as per directions of Engineer-in-Charge.

Laying,jointing and testing of galvanised mild steel duly flanged after every 100 Mtr. with intermediate circumfesential butt welded joints of below mentioned dia and class i/c.cost of flange,bends,tees etc. The fixing of M.S.Flanges as per IS-814:1967 should be done on both faces to make the joint leak proof and capable withstand the required Hydraulic pressure. The flanges should conform 6392-1971 with specified number and size of M.S.nuts and bolts as per Table mentioned below and ISI-MarkedSBR rubber flange gasket not less than 3mm.thick(Excavation in trenches etc.to be measured and paid for for separately).

65mm dia (Medium class) Table-5 (Medium)

KULDEEP DOGRA

Pankaj Kumar

SIKANDER KUMAR

SUNIL KUMAR

ASHOK KUMAR