Remodeling of LWSS Runkali in G.P Sandhu Tehsil Theog Distt. Shimla HP.

Amount

Excavation in Drains & Channels etc.in earth work upto all depths in all kinds of soil such as pick work,jumper work,blasting and chiselling soft/hard rocks where blasting is prohibited in all leads and lifts including trimming and dressing of side levelling of bed to correct grade and returning the stacked soil in trenches in 15cm.layers by ramming and watrering and then disposing of all surplus excavated soil as directed in all leads and lifts and soring strutting/timbering and dewatering where ever required including restoration of un metalled/metalled paved surfaces of its original conditions including caution boards in all respect and to the entire satisfaction of the Engineer-in-Charge.

P/Laying ,jointing and testing in trenches GMS tubes (Light grade) tube fittings such as bends,tees unions etc.as per direction and to the entire satisfaction of the Engineer-in-charge.(Earth work in trenches to be measured and paid for separately)in all leads and lifts.

15 mm dia

Providing & fixing of brass full way valve with wheel of superior quality including chamber complete of the following nominal bore within all leads & lifts.

15 mm dia

Providing Laying, Jointing & testing in trenches flanged galvanised mild steel tube 50mm dia of (Heavy grade) confirming to as per ISI -1239-1990 with providing fixing ISI mark flanges of table -28 & 17 confirming to IS: 6392-1971 capable of with standing nominal pressure of 4.00 N/mm2 welded leak proof on both sides with nut & bolts and 3mm thick ferrado / champion make gasket including flanged bends of all degrees made out of prevent pipe as per site requirements . The welding is to be confirming to 3138-1986 (Earth work in trenches to be measured and paid for separately).(RD=0/0 to 600=600 Rmtrs)

providing fixing and jointing of M.S flanges confirming to IS-6392-1971 (latest with upto date ammendment) flange dia, table and nominal presure as specified below welded at both ends of pipes (as per site conditions for particulaur reach as required) according to relevant BIS code 816-1962 and provided with nuts abd bolts of required size as per BIS code 1364 including 3mm thick compressed asbestos fiber gasket of synthetic rubber gasket confirming to relevant BIS code 2712-1965 complete in all respect including all leads and lifts. RD 0 to 600, = 600 50 mm Flange Table-28 ( GI H)

Pumping Mechinery

Ist stage

Providing horizontal spindle horizontal/radial split casing/end section (back pull out arragement) combination of as Mather & platt/ KSB/BECON WEIR/ KIRLOSKER /BE/JYOTI/WASP/ASPEE as perpumps, in series/parallel of recommended make such single/double/multistages centrifugal pump or BIS-1520-1980 with upto date ammendments, read with IS -9137-1978 or latest edition suitable for lifting Clear water characterstics with bronze impellers/priming funnels casing ring and for under mentioned shaft sleaves 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 manufacturers of the pumping unit only) to Slip/Ring/ Squarrel cage screen protected drip proof induction motor of standard make such as Kirloksar/Crompton/Bhel/ NGEF/GEC/SIEMEN/ JAYOTI/ABB suitable for operation on 415(+)/- 5% volts, 50 cycles/second, 3 phase AC electric supply. The power of electric motor should be atleast 10% in excess of the maximum power required by the pump in the opeation range of (+)10% and(-) 25 % of the duty point head. The motor should be as per IS: 325-1978 with upto date cost of bearing nuts,bolts and pointing etc. and should meet the ammendments read with IS 900-1972. It should include following requirements:- (a) Pumps (I) Make (ii) Model (iii) No.of stages (iv)Material manufactures certificate to be appended (I) Discharge (Q) 6.90 M3/h (a) LWL in sump well(h) : 990.45 Meters.(b)_ Shaft level :- 990 Meters. © Level at discharge point :1950 Meters.(d) Suction lift :- +ve Meters. (e) Residual head:- 3.00 Meters. (f) Static head:- 306.00 Meters. (iii) Rising main (a) Length. 1290 Meters. (b) Dia :- 50 mm. (iv) Pumping hours. 8 hours. (v) Altitude of Installation above MSL - Meters. (vi) Characteristics of water (a) Temperature oC (b) Abient Temperature oC © Turbidity Clear water JTU (d) Alkalanity Mg/CA CO3 (e) Size of the solids. Mm. (f) Other Total Head-318 (2 set of 40 HP)

2nd Stage

Providing horizontal spindle horizontal/radial split casing/end section (back pull out arragement) combination of as Mather & platt/ KSB/BECON WEIR/ KIRLOSKER /BE/JYOTI/WASP/ASPEE as perpumps, in series/parallel of recommended make such single/double/multistages centrifugal pump or BIS-1520-1980 with upto date ammendments, read with IS -9137-1978 or latest edition suitable for lifting Clear water characterstics with bronze impellers/priming funnels casing ring and for under mentioned shaft sleaves 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 manufacturers of the pumping unit only) to Slip/Ring/ Squarrel cage screen protected drip proof induction motor of standard make such as Kirloksar/Crompton/Bhel/ NGEF/GEC/SIEMEN/ JAYOTI/ABB suitable for operation on 415(+)/- 5% volts, 50 cycles/second, 3 phase AC electric supply. The power of electric motor should be atleast 10% in excess of the maximum power required by the pump in the opeation range of (+)10% and(-) 25 % of the duty point head. The motor should be as per IS: 325-1978 with upto date cost of bearing nuts,bolts and pointing etc. and should meet the ammendments read with IS 900-1972. It should include following requirements:- (a) Pumps (I) Make (ii) Model (iii) No.of stages (iv)Material manufactures certificate to be appended (I) Discharge (Q) 5.14 M3/h (ii) Total Dynamic Head: 215 Meters. (a) LWL in sump well(h) : 1290.3 Meters.(b)_ Shaft level :- 1290 Meters. © Level at discharge point : 1535.00 Meters.(d) Suction lift :- +ve Meters. (e) Residual head:- 3.00 Meters. (f) Static head:- 200.00 Meters. (iii) Rising main (a) Length. 810 Meters. (b) Dia :- 50 mm. (iv) Pumping hours. 8 hours. (v) Altitude of Installation above MSL - Meters. (vi) Characteristics of water (a) Temperature oC (b) Abient Temperature oC © Turbidity Clear water JTU (d) Alkalanity Mg/CA CO3 (e) Size of the solids. Mm. (f) Other (2 set of 20 HP)

Surjeet Singh Thakur

Thakur Traders