Construction of lift irrigation scheme Sunpur in Tehsil Baijnath District Kangra HP

Amount

1 Providing horizontal spindle, horizontal/radial split casing end suction (backpull out arrangement) single/double/multistage centrifugal pumps or combination of pumps in series/parallel of recommended make such as Mather and Platt/KSB/Beacon weir/Kirloskar/BE/Jyoti as per BIS-1520-1980 with upto date ammendments read with IS:9137-1978 or latest edition suitable for lifting water for under mentioned charactistics with bronze,impeller/priming funnels, casing ring and shaft sleeves of bronze, shaft of steel grade with cast iron casing coupled directly through a flexible coupling on a common C.I./cast steel base plate (base plate to be from the manufacturer of pumping unit only) to slippering/squirrel cage screen protected drip proof induction motor/motors of standard make such as Kirloskar/BHEL/Crompton/NGEF/GEC/Siemens/Jyoti and suitable for operation on 415 (+/-) 5%volts, 50 cycles/second, 3 phase AC electric supply. The power of electric motor/motors should be atleast +10% in excess of the maximum power required by the pump/pumps in the operation range of (+) 10% and (-) 25% of the duty point head. The motor/motors as per IS:325-1978 with with upto date ammendments read with IS:900-1972. It should include the cost of bearings, nuts, bolts and painting etc. and should meet the following requirements:- a) Pum b) Motor c) Coupling d) Base Plate. Discharge (Q) :- 14.51 LPS Each i) Location of site : The site is located at a distance of 25 Kms from Maranda railway station on Palampur Chadhiar road. ii) The altitude of place in which pumping set is intended to work: Altitude of place is 750 m above MSL iii) Type of current. AC three phase with frequency of 50 cycle/second. iv) Rated voltage : 415V + 10% v) Type of water : (Raw/Treated). Raw water from collection tank. vi) Charatristics of water a) Temperature - 20oC b) Turbidity 500 PPM c) PH 7.4 d) Hardness Mg./litre(as CaCO.) e) Total solids Mg./litre f) Others vii) Depth of tank/well. ___ metre viii) L.W.L. in tank/Sump well. 1000.00 metre ix) Centre line level of pump. 1000.60 metre x) Suction head. + ive Suction xi) Discharge level of highest point. 1052.19 metre xii) Nos. of pump required. 2 Number pumps. xiii) Capacity. 14.51 LPS for each pump. xiv) Static head in mete 51.59 metre xv) Total head in meter. 59.78 metre xvi) Length of rising main. 465 metre xvii) Dia of Rising main. 200 mm dia MSERW pipe. xviii) Pumping hours per day. 20 hours continueously for 7 days xix) Limits of pump operation. (-) 25% to (+) 10% of total head at duty point. xx) HP of motor/drive unit. Required BHP of pump at (+) 10% & (-) 25% of total or 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. = 1.2 H.P. b) 2 to 5 H.P. = 1.40 e) 20 to 100 HP = 1.15 H.P. c) 5 to 10 H.P.= 1.30 f) Above 100 HP = 1.10 H.P. xxi) R.P.M. of pump (2900/1450 RPM) 2900 RPM xxii) Test Run. 16 hours contiinueously for 7 days. xxiii) NPSH available. metre

Supply of Kirloskar/Kilburn /IVC/Fouress/Gled/BHEL/ Leader make Cast Iron double flanged acctuated sluice valve of class PN1.0 confirming to BIS-5312-2000 (to be provided on dilivery side) of equal size to the dia of dilivery of pump and capable of with standing nominal seat test pressure of 10.20 kg/cm².

Supply of Kirloskar/Kilburn /IVC/Fouress/Gled/BHEL/ Leader make Cast Iron double flanged swing check type reflux valve having by pass arrangement of class PN1.0 confirming to BIS-5312-2000( latest edition) (to be provided on dilivery side) of size one step heigher than the dia of dilivery size of pump and shall be suitable withstanding nominal seat test pressure of 10.20 kg/cm².

Supply of Kirloskar/Kilburn /IVC/Fouress/Gled/BHEL/ Leader make Cast Iron double flanged swing check type reflux valve having by pass arrangement of class PN1.0 confirming to BIS-5312-2000( latest edition) provided on Rising main of 200 mm dia and shall be suitable withstanding nominal seat test pressure of 10.20 kg/cm². ( 200 mm dia)

Supply of Kirloskar/Kilburn/ IVC/Fouress/Gled/BHEL/Leader/ of cast iron PN-1.0 double flanged sluice valve having bye pass arrangement in suction side and shall be suitable for with standing nominal seat pressure of 10.20Kg/cm2 as per BIS - 5312-1984 ( Part -1)

Providing & laying PVC insulated jointless, flat water proof copper cable of Siemens/Finolex/ Grandlay/ Gloster make conforming to BIS:1554 (Part I) -1988 or latest with up to date ammendments of suitable size for the pump sets offered(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.

On supply side of 31/2 core (from HPSEB meter to switch & starter) = 5 metre of size 10mm2

On motor side 3.00 core from switch and starter to motor = 10 metre of size 4 mm2

Providing and laying double loop earthinmg with copper plate 600x600x3mm thick electrode complete with material such as charcoal,common salt,G.I.pipes.thimbles,nuts & bolts,digging of pits,GI wiring & 20x5mm copper strips required capacity conforming to BIS 3043-1987 latest with upto date ammendments for above motor & other electrical equipments complete in all respect. NOTE:- The strip size shall be 20x3 upto 18.5 KW,25x3 for 18.5 to 37 kW 25x5 for 37 to 55 KW & 32x5 beyond 55 KW.

Providing and laying GI/MSERW pipes of suitable size (layout to be approved by the Engineer-Incharge) for suction delivery and common header considering site requirements and NPSH required/available.The pipe sizes for suction and delivery shall as per the requirement of offered pump and common header shall be equal to dia of rising main including taper, flanges, bends, rubber gaskets, 3 mm thickness as per IS:2712-1979 and required number of nuts and bolts upto 5 metres from the outer wall of the pump house as per layout approved by the Engineer-Incharge as per IS:1364-1983 . The pipes material shall conform to relevant BIS codes and capable of with standing field test pressure equal to 1.5 times the operating pressure. The complete arrangement shall comprise of:-

Suction pipe Dia to be specified by the tendere

Delivery pipe Dia to be specified by the tendere

Common header 200 mm dia 1x5 metre length.

Supply & errection of floor/wall mounted power shunt capacitor conforming to BIS 2834-1986 latest with upto date ammendments of GEC/Siemen/ Havells L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of requirement KVAR according to BHP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including Standard/ L&T/Kilburn/Indo asian make ICTP switches conforming to BIS 4064- 4064-1978 or latest with HRC fuses. (range to be specified by the tenderer.) 2x6=12 KVAR

Errection of all equipments from S.No. 1 to 4.6 & 8 including cost of tees, bends tapers & any other fittings required as per site conditions 7 as per direction of the Engineer-in-charge.

Excavation in foundation trenches etc.(for pipes & pits up to all depths) in all kind of soil such as pick work, jumper work,blasting and chiselling soft or hard rock where blasing is prohibited in all leads and lifts including trimming and dressing of sides,levelling of bed to correct grade stacking the excavated soil clear from the edge of excavation and returning the excavated soil after laying, jointing and testing of GI pipes in trenches in 15 centimeters layers including consolidating each deposited layers by ramming and watering and then disposing of all surplus excavated soil as directed in all leads and lifts and soring strutting and timbering and dressing where ever required restoration of un-metalled/ metelled/ paved surface to its origenal condition including cost of diversion for traffic night signals, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respect and as per the direction of Engineer-in-Charge.

Providing & laying , jointing & testing of bevel edged MSERW pipe with circumfrential butt welded (94%) joints by elecrtrical arc welding ( welding thickness shall be equal to pipe wall thickness) and welding of M.S flangs at every 100 mtr pipes (6%) & testing of MSERW pipe of following dia conforming to BIS 3183-2007 ,steel garde L -415 to L -210 ( latest with up to date amendments)having wall thickness as specified below and capable of with standing required test pressure in a rendom length of 5.5 to 6.5 mtr,including manufacturing reducers/tapers,bends of required degree,all shot pices etc as per site requirement made from parent tuble.The laying of pipe shall also including flanges joint duly welded in three layers two inner & one outer where ever required as per the direction of Engineer-in charge (earth work & trenches and the cost of proving flanges i/c nuts and bolts and gasket will be measured and paid for separatly )and all operation suach as cutting ,welding,jointing,fabrication of Tee including lowering and laying in excavated trenches to insure required level including flushing , cleaning and hydrolic testing complete in all respect to the satisfaction of the Engineer in charge .The pipe shall be factory galvanized (zinc coating both inside and outside ) as per relevent IS standards and the damaged portion of the pipe and special (if damaged during laying jointing operation of pipe ) made from the parant tube ,shall be provided anticorrosive trearment by applying two coats of anticorrosive bituminous paint over a priming coats as per AWWA specification C-203-1978. The welding elctrodes shall be as per IS 814 of Advani oerlikon /L & T or IS marked make .The rate also include entire carriage of material,Flushing,cleaning & Hydrolic testing ,DP test butt welded joints comaplete in all respect and to the best satisfaction and direction of Engineer In charge . with in all leads and lifts.

Stage 1st From - 1 , To - 0 , Length - 465 , Class of pipe - MSERW , Wall Thickness - 4.80 , Flange Table - 5 , Dia of pipe - 200 mm dia

Pawan Virmani

Naik Electrical Works

MNBN Enterprises