Construction of lift irrigation scheme Tamber in Tehsil Jaisinghpur District Kangra (HP).

Amount

Excavation in foundation trenches etc. in (pipes and pits ) in all kinds of soil such as pick work, Blasting work,soft/hard rock, blasting by chiesling soft / hard rock where blastng is prohibited in all lifts Stacking the excavated soil not more than 3 metres away from the edge of excavation and then returning the stacked soil in 15 cm layers when required in to plinth and sides of foundations, consolidating each deposited layer by ramming , watering and then disposing of all surplus excavated earth, unusable materials as directed with in all leads/lifts and to the entire satisfaction of Engineer-in-charge.

Providing, laying, jointing and testing in trenches of galvanized MSERW pipe with circumfrenital but welding including providing and welding M.S. flanges at every 100 mtr conforming to following tables as per IS 3183-2007 (Latest with up to date amendments) with plain end MSERW pipe in three layers on both faces to make the joint leak proof . The welding of flanges should conform to IS: 816-1969 with electrodes as per IS: 814-1991 and required number of nuts and bolts conforming to IS 1364 including cost of gasket sheet nuts & bolts. The thickness of gasket sheet not less then 3.00mm conforming to IS 2712-1998. including cost of flanged bends. The M.S. flanges are to be provided at every 100 mtr of pipe and welding of flanges with pipes as per IS: 816-1965 with a electrode as per IS: 814-1967 including required Nos. and size of M.S. nut and bolts as per IS: 1369-1967 and compressed asbestos fiber jointing gaskets sheet not less than 3mm thick as per IS: 2712-1965.The welding of flanges to be done on both faces in two layers to make the joints leak proof and to the entire satisfaction of the Engineer-in-charge. The laying of pipes should be conformed to IS: 5822-1994 (earth work in trenches to measured and paid separately) The pipe shall have zinc coating as per IS 4736 in factory latest with upto date ammendements.

Stage-Ist Sr. NO, Reduced Distance, Dia of pipe. Thichness 1 0 to 210 200mm 6.30 Flange- T-28

Stage-Ist Sr. NO, Reduced Distance, Dia of pipe. Thichness 2 210 to 510 200mm 6.30 Flange- T-23

Stage-Ist Sr. NO, Reduced Distance, Dia of pipe. Thichness 3 510 to 900 390mm 4.80 Flange- T-11

Stage-Ist Sr. NO, Reduced Distance, Dia of pipe. Thichness 4 900 to 1530 630mm 4.80 Flange- T-5

Pumping Machinery 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:- (Set of 120 HP Each) (2x120= 240 HP) i Total Head 278.387 Mtrs. ii Discharge required from each pump. 10.48 lps iii No. of pump required 2.00 Set (0 % as stand by) iv Location of the site of installation of machinery The site is located at a distance of 25 Km from Palampur. v The altitude of installation. 750 MSL. iv Type of current. AC three phase supply with freqduency of 75cycle per second. v Rate Voltage 415V + 10% vi Type of water and its source Raw water from collection tank . vii Shaft level 712.60 mtrs viii Level of discharge point 983.12 ix Static Head 270.52 x Charactristics of water. - a)Ambient Temperature dig.c - b)Turbidity NTU - c)Hardness260Mg/Ltrs(as CaCO3) - d) PH 7.5 - e)total solid Mg /Ltrs - f)Other - Depth of well assembly - xi No. of working hours per day 20.00Hours. xii Length of Rising main 1530 Rmts. xviii Dia of Rising main 200 mm xiv Limit of pump operation. In the completem Range of (-)75% . xv R.P.M. of pumping set. 2900 RPM (or to be specified by the tenderer). xvi Test run. 8 Hours contineously for 7 days.

Supply of Kirloskar/Kilburn /IVC/Fouress/Gled/BHEL/ Leader make Cast steel double flanged accutated sluice valve of class ASA-300 confirming to BIS-1414(API-600) (to be provided on delivery side) of equal size to one dia more than the dia of delivery of pump and capable of with standing nominal seat test pressure of 52 kg/cm². NOTE:-The Cast steel sluice valve shall conform to BIS:780-1984 for 50 to 300mm dia & BIS:2906-1984 for 350 to 1200mm dia ( latest edition). However if seat pressure exceeds the limits prescribed in above mentioned BIS, then it shall be of cast steel conforming to class ASA-150 for seat pressure upto 52 Kg/cm² or class ASA-300 for seat pressure 52 Kg/cm² as per BS 1414 (API 600) .

Supply of Kirloskar/ Kilburn/IVC/Fouress /Gled/BHEL/Leader make Cast steel double flanged swing check type reflux valve having bypass arrangement of class ASA-300 confirming to BS 1868(API-600) (latest edition)to be provided on delivery side) of size one step higher than the delivery size of pump and shall be suitable for withstanding nominal seat pressure of 52kg/cm².

Supply of Kirloskar/ Kilburn/IVC/Fouress /Gled/BHEL/Leader make Cast steel double flanged swing check type reflux valve having bypass arrangement of class ASA-300 confirming to BS 1868(API-600) (latest edition)to be provided on Rising main) of 80 mm and shall be suitable for withstanding nominal seat pressure of 52 kg/cm². NOTE:- The Cast steel reflux valve shall conform to BIS: 5312-1984- Part-I ( latest edition). However if the seat pressure exceeds the limits prescribed in BIS 5312 then it shall be of cast steel conforming to class ASA-150 for seat pressure upto 21 Kg/cm² or class ASA-300 for seat pressure 52 Kg/cm² as per BS 1868 (API 600)

Supply of Kirloskar/ Kilburn/IVC/Fouress /Gled/BHEL/Leader make C.I double flanged sluice valve class PN-I confirming to BIS 780-1984 to be provided on Suction side of size one dia higher then the suctrion size of pump capable of withstanding nominal seat pressure of 10.20 kg/cm².

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 3½ core coper cable 95 mm^2 ( From HPSEB Meter to Switch & Starter).

On motor side 3 core flat joint less copper cable of size 70 mm^2 ( From Switch & Starter to Motor) pump installed in the bore.

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.) 2x25=50 KVAR

Supply of standarad make 80 mm dia circular/square 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 G.I./MSERW pipe considering site requirements and having appropriate size in accordance with the delivery size of pumping set . The pipe shall conform to relevant BIS codes & capable of with standing the feild test pressure equal to 1.5 times the operating pressure including all type of fittings such as bends, tapers/ reducers, flanges, rubber gaskets 3mmthick, nuts & bolts and any other fitting required at site and work shall be to the entire satisfaction of Engineer-in-Charge. The pipe material shall conform to relevant BIS Code and capable of with standing FTP equal to 1.5 times the operating pressure the complete arrangement shall compromise of

Suction Pipe XXX = to be specified by the Tenderer

Delivery pipe XXX = to be specified by the Tenderer

Common header = 125 mm dia NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge

Providing and lying double loop earthing with coper plate 600x600 x3 thick electrode and copper strip of 25x3 complete including providing of material such as charcoal, common salt, GI pipes, thimbles, nuts & bolts, digging of pits, Copper /GI wire/ Strips of required capacity conforming to BIS 8034-1978 latest with upto date ammendments for above motor & other electriacl equipments including all civil works. (for both machineries).Note. The strip size shall be 20x3 upto 18.5 KW . 25x3 for 18.5 to 37 KW to 55 KW and 32x5 beyond 55 KW.

Errection of all equipments including cost of tees,bends tapers & any other fittings required as per site conditions & as per directions of Engineer-in-Charge.

SANJAY SAINI

MNBN Enterprises

Shashank Jagota Govt. Contractor

Pawan Virmani

Naik Electrical Works