Construction of LWSS from GPS Dhangota natural source from Sub Division Barsar in Tehsil Barsar Distt. Hamirpur

Amount

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

Laying,jointing and testing of galvanized mild steel tube ( Plain ended) in trenches including cost of fabrication of bends as required at site of following dia including tube fittings and to the entire satisfaction of the Engineer-in-charge as per IS:1239 (Part-I)-1979 fully jointed with M.S. flanges / circumferencial butt welding including welding in requisite NO. of layers on both faces as per IS:816-1965,gasket sheet not less than 3mm in thickness,nuts and bolts etc complete in all respects with in all leads & lifts as per directions of Engineer-in-Charge (Cost of excavation, in trenches,M.S flanges & butt welded joints and to be measured and paid for separately)

GMS Pipe 65 mm dia Heavy class from RD. 0/0 to1170( Labour Rates)

Providing Circumferencial Butt welded joints by electrical are welding to below mentioned dia and wall thickness GMS pipe welded in three number of weld runs so as to achieve the minimum effective throat thickness of weld conforming to IS 816-1969 specifications, by using welding electrodes of 2.5 mm to 6.3 mm of Advani Oerlikon (Adore)-CITOJET/ESAB make, conforming to IS 814-1991 including Die pentration test, at site of work complete in all respects, including manual/machanical handling of pipes in all leads and lifts to the entire satisfaction of Engineer in charge.

65 mm dia .

Providing welding and fixing of MS flanges joints, conforming to following tables as per IS 6392-1971 (Last with upto date amendments) and welding of MS flanges with GMS / MSERW pipes in two layers on both faces i.e two layer on outer faces and one layer on inner face to make the joint leak proof (The cost of providing and laying of GMS pipes to be measured and paid for separately). 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. the thickness of gasket not less than 3.00 mm conforming to IS 2712-1998. The work shall be done as per entire satisfaction of engineer in charge within all leads and lifts.

M.S. flanges 65 mm dia Table 17

M.S. flanges 65 mm dia Table 5

Providing & fixing screwed / flanged C.I air valve 25mm dia ( Single/ Double ball type) of Leader/ Kirloskar or any other reputed make make conforing to BIS: 1 1452-1990 with upto date ammendments including carriage complete in all respects & to the entire satisfaction of engineer in charge within all leads and lifts

Laying,jointing and testing of galvanized mild steel tube screwed and socketed ( light class) in trenches including cost of fabrication of bends as required at site of following dia including tube fittings and to the entire satisfaction of the Engineer-in-charge as per IS:1239 (Part-I)-2002 complete in all respect. (Cost of excavation, in trenches to be measured and paid for separately). ( Labour Rate)

65 mm dia ( Light class)

Providing and fixing GM Gate valve as Per IS 778 CL-I of the 65 mm dia in all leads and lifts as per direction of Engineer-in-charge.

Booster stage

Supply of submersible pumping set of reputed make such as KSB/CALAMA/BS/JOHNSION/ Oswal conforming to latest relevant BIS code. The pump should be fitted with free flow impellers of bronze/suitable alloy as per BIS 5659-1972 latest suitable for clear water of IS: 5659-1970 having greased packed bearing and shaft with bound stator on motor side & with shaft protection sleeve on pump side ensuring better life for shaft conforming to BIS specifications. The pump shall be directly coupled to a submersible squirrel cage electric induction motor(water proof) of reputed make Kirloskar/ NGEF/Jyoti/Crompton make conforming to BIS 9283-1979 latest with upto date ammendments totally dust & water proof for submersible duty isolated from the pump by intermediate casing with double mechnical seal in oil chamber & grease packed lubricated bearing & provided with stainless steel thrust bearing plate to withstand non vertical loads with minimum wear & tear. It should also be fitted with a device to take up expansion of water with heating of motor. The pump set should include water level guards errection clamps, cable clips & depth gauge etc. & suitable for operation on data given below:-

Discharge (Q) 2.74 LPS for each pump.

Total head in Mts. 15.44 meters

(a) LWL in sump well (h) mtrs.

(b) Shaft level mtrs.

(c ) Level at discharge point mtrs.

(d) Suction lift

(e) Discharge head mtrs.

(f) Static head 10.00 mtrs.

Rising main

(a) Length 60 mtrs.

(b) dia 65 mm

Pumping hours 8 hours

Altitude of installation above MSL 650 mtrs.

Characterstics of water

(a) Temperature 20-42 degree centigrade

(b) Abient Temp.

( c) Turbidity Upto 50 PPM

(d) Alkalanity

(e) Size of the solids

(f) Other

Supplying and fixing of prefabricated control panel consisting of PP meter, Amp. meter, voltmeter, OCB/MCB/MCCB, ON/OFF push button, circuit breaker, Voltage monitor relay, voltmeter, power factor meter, frequency meter, Bus bar chamber, ICTP main switch with HRC fuses, Ammeter, capacitor, immersed strarter delta /direct one line/auto transformer,preventor, hour run meter as per technical specification sheet attached complete in all respect & to the entire satisfacction of the Engineer-in-Charge.

Supply of Kirloskar/Leader make dia. cast iron ( P.N. 1.00 ) double flanged sluice valve having one dia Higher than pump size to delivery of pump and capable of with standing nominal seat pressure of 10.20 kg/cm2 as per IS :780-1984 as per technical specification sheet attached complete in all respect & to the entire satisfacction of the Engineer-in-Charge.

Supply of Kirloskar/Leader make dia. cast iron ( P.N. 1.00 ) double flanged (swing check type ) refelux valve having one dia Higher than pump size to delivery of pump and capable of with standing nominal seat pressure of 10.20 kg/cm2 as per IS : 5312-1984 as per technical specification sheet attached complete in all respect & to the entire satisfacction of the Engineer-in-Charge.

Supply of Kirloskar/Leader make dia. cast iron ( P.N. 1.00 ) double flanged (swing check type ) refelux valve having bye pass arrangement and size equal to dia of rising main i.e. 65 mm capable of with standing nominal seat pressure of 0.20 kg/cm2 as per IS : 5312-1984 as per technical specification sheet attached complete in all respect & to the entire satisfacction of the Engineer-in-Charge.

Providing and fixing MS/GI piping work (Layout to be approved by the Engineer in charge) for suction and delivery pipes suitable to pump(s) offered and common header as per the R/Main respectively complete with all specials such as bends, tees, reducers. Increasers with companions flanges matching with the relevant specifications of the accessories including rubber/asbestos gasket of minimum 3mm thckness as per IS:2712:1979 and required number of nuts and bolts as per IS:1364:1983, The Pipes fittings and joints shall be as per relevant IS code & to withstand 1.5 times total head. The size of the various components incorporated in the technical specification sheet complete in all respect.

1st STAGE

Providing horizontal spindle horizontal split casing/end suctions (back pull out arrangement) single/double multistage centrifugal pump or combination of pump in series of recommended make such as Mather and Platt/ KSB/ Kirloskar as per BIS-1520-1980 with up to date amendments, read with IS: 9137-1978 or latest edition suitable for lifting clear water for under mentioned characteristics with Bronze impellers/priming funnels, casing ring and shaft sleeves of bronze, shaft of steel grade EN-8 with cast iron casing coupled directly through a flexible coupling on a MS/Cast steel base plate ( base plate to be from the manufacturers of the pumping unit only) to Squrrel cage induction motor of standard make such as Kirloskar/Crompton/ NGEF and suitable for operation on 400 (+)/-) 10% volts, 50 cycles/second, 3 phase AC electric supply. The power of electric motor should be at least 10% in excess of the maximum power required by the pump in the operation range of (+) 10% and (-) 15% of the duty point head. The motor should be as per IS: 325-1978 with up to date amendments read with IS: 900-1972. It shold include the cost of bearing nuts, bolts and painting etc and should meet the following requirement.

Discharge (Q) 2.74 LPS or 9.86 Cum/Hour for each pump.

Total head in Mts. 148.47 meters

(a) LWL in sump well (h) 860.50 mtrs.

(b) Shaft level 860.50 mtrs.

(c ) Level at discharge point 979.50 mtrs.

(d) Suction lift mtrs.

(e) Residual head 3 mtrs.

(f) Static head 119 mtrs.

Rising main

(a) Length 1110 mtrs.

(b) dia 65 mm

Pumping hours 8 hours

Altitude of installation above MSL 490.0 mtrs.

Characterstics of water

(a) Temperature 25 degree centigrade

(b) Abient Temp.

( c) Turbidity Upto 50 PPM

(d) Alkalanity

(e) Size of the solids

(f) Other

Supplying and fixing of prefabricated control panel consisting of PP meter, Amp. meter, voltmeter, OCB/MCB/MCCB, ON/OFF push button, circuit breaker, Voltage monitor relay, voltmeter, power factor meter, frequency meter, Bus bar chamber, ICTP main switch with HRC fuses, Ammeter, capacitor, immersed strarter delta /direct one line/auto transformer,preventor, hour run meter as per technical specification sheet attached complete in all respect & to the entire satisfacction of the Engineer-in-Charge.

Providing double flanged Cast iron sluice valve of Kirloskar/ Leader make of 65 mm dia for the suction pipe and capable of with standing the normal seat pressure and as per 780-1984 as per technical specification sheet attached complete in all respect & to the entire satisfacction of the Engineer-in-Charge.

Providing double flanged Cast steel sluice valve of Kirloskar/ Leader make and size one dia higher than for the delivery line of the pump and capable of with standing the normal seat pressure and as per relevant IS 1414/ API 600 ( Class ASA- 150 with up to date amendments as per technical specification sheet attached complete in all respect & to the entire satisfacction of the Engineer-in-Charge.

Providing double flanged (Swing type) Cast steel reflux valve of Kirloskar/ Leader make size one dia higher having bye pass arrangement on the delivery line of pump and capable of with standing normal seat pressure as 1868/ API 600 ( Class ASA- 150 with up to date amendments as per technical specification sheet attached complete in all respect & to the entire satisfacction of the Engineer-in-Charge.

Supplying and fixing of Kirloskar/Kilburn/IVC/Fourcess/Gled/BHEL/Leader/Kartar of reputed make of suitable size cast iron flanged sluice valve confirming IS 780, size equal to dia of suction pipe :- PN1 provided with hand wheel/Cast iron Cap with up to date amendments .

Providing double flanged Cast steel non return valve of Kirloskar/ Leader make and size one dia higher having bye pass arrangement for rising main and capable of with standing normal seat pressure as per 1868 API 600 ( Class ASA- 150 ) up to date amendments as per technical specification sheet attached complete in all respect & to the entire satisfacction of the Engineer-in-Charge.

Providing and fixing double flanged GMS /MSERW piping work layout to be approved by the Engineer-in-Charge for suction and delivery pipes suitable to pump(s) offered and common header as per the rising main respectively complete with all specials such as bends ,tees reducers/ increasers with companion flanges matching with the relevant specifications of the accessories as indicated in the drawing including rubber/asbestos gasket of minimum 3mm thickness as per IS 2712-1979 and required number of nuts and volts as per IS: 1364-1983. The pipes shall be as per relevant IS Code and to withstand 1.5 times total head stipulated under item No.1. The size of the various components incorporated in the technical specification sheet complete in all respect.

SUMIT KUMAR

M/S ASHWANI ELECTRICAL WAORKS