Improvement of distribution system of LWSS Bathu Tippri in Tehsil Jaswan District Kangra HP

Excavation in foundations and trenches(for pipes and pits in all depths etc.) in all lifts and in all kinds of soils such as pick work, jumper work, blasting in soft/hard rock, chiseling/wedging out of rock (where blasting is prohibited)and saturated soils, stacking the excavated earth within all leads and lifts, clear from the edge of excavation and then returning the stacked soil in 15 cms. layers when required into plinths, sides of foundation and trenches etc., consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed by Engineer-in-charge within all leads and lifts including uprooting of trees, dressing of beds and sides and preparation of sub-grade, restoration of unmetalled/metalled/paved surfaces to its original conditions including soring, strutting, timbering and dewatering , where ever required, providing diversion for traffic, fixing night signals, fixing caution boards, crossing over trenches for access to houses complete and to the entire satisfaction of the Engineer-in-charge.(PJ WORK 50-50)

Laying jointing and testing in trenches (to level or grade) of GMS pipes (bevelled edge flanged/Butt welded pipes having MS flanges @5% of toal length and Butt weld @ 95%) of below mentioned diametre conforming to IS 1239-2001 (Latest upto date amendments) as specified, suitable to withstand required hydraulic test pressure including fixing of required number of bends of all degree & tee etc.complete in all respects. The laying of pipes shall conform to IS 5822-1994 as well as CPHEEO manual and will include all operations such as jointing including flushing, cleaning and hydraulic testing complete in all respects including entire carrirage of materials in all leads and lifts & to the entire satisfation of Enginner in Charge. (Earth work in trenches, Butt Welding and Flenges duly welded will be measured and paid for separately.) a) GMS pipe 125mm dia (MC) with Flange Table -5 (RD 810 to 1995 (Phase-1 stage -2)

Providing Circumferencial Butt welded joints (@95% of total Joints) by electrical arc welding to below mentioned dia and wall thickness welded in recusite 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 complete in all respects, including manual/ machanical handling of pipes in all leads and lifts to the entire satisfaction of Engineer in charge. a) 125 milimetre dia.

Providing and welding MS flanges (@5% of total Joints) conforming to following tables as per IS 6392-1971 (Last with upto date amendments) with plane end G.I/ MSERW pipe in Three number of layers (one inner two outer) on both faces to make the joint leak proof (The cost of providing and laying of Gl 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 jointing of flange should be with required number of nuts and bolts conforming to IS 1364 including cost of gasket sheet, nuts & bolts. The thickness of gasket sheet should not be less then 3.00 mm conforming to IS 2712-1998. The work shall be done to the entire satisfaction of Engineer in charge within all leads and lifts a) 125mm dia of Flange Table 5

Pumping Machinery Providing horizontal spindle horizontal split casing/end suctions (back pull out arrangement) single/double/ multistage centrifugal pump or of recommended make such as Mather and Platt/KSB/Kirloskar/Jyoti/Bareja Vogal 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 haracteristics 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 Squirrel Cage energy efficient (IE-II) SPDP (screen protected drip proof) or TEFC (Totally enclosed fan cooled) induction motor as per code 12615- 2018 or latest amundments of standard make such as Kirloskar/Crompton /NGEF /KSB/ ABB/ BHEL/ GEC/ Seimens/ Jyoti 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 excessof 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: 325-1980 with up to date amendments read with IS:900-1972. It should include cost of bearing nuts, bolts and pointing etc and should meet the following requirement. Total Head 243.14mtrs Discharge required from each pump. 13.61 LPS No. of pump required 2.00 Nos. working pump a) LWL in sump well (h) 782.50 mtrs b) Shaft level 782.50 mtrs c) Level at discharge point 983.02 mtrs d) Residual head 3.00 mtrs e) Static head 200.52 mtrs Rising Mian a) Length 1185.00 mtrs b) Dia of Rising main 125.00 mm dia Pumping Hours 8 Hours Altitute of installtion above MSL 700.00 mtrs Characterstics of water (a)Temperature 25 Degree Centigrade (b) Abient Temperature 25 Degree Centigrade (c) Turbidity Clear cold water (d) Alkalanity Nil (e) Size of the solids Very Fine (f) Duty Range +10% to -15% (g) Other

Supplying and fixing of prefabricated control panel consisting of 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, capacitor, Starter (Oil immersed/ star delta /direct one line/auto transformer), Single phase preventor, hour run meter and other accessories suitable for pumping machinery under Item no. 1 as per technical specification sheet attached complete in all respect.

Providing antivibration pads under the pumps and motors of suitable size for the above pumping machinery as per IS:6337:1971.

Supplying and fixing of Kirloskar/Kilburn /IVC/Fourcess/Gled/BHEL /Leader /Pelcom/KSB of reputed make of suitable size cast Iron double flanged sluice valve having size one step higher to Suction of pump and capable of with standing nominal seat pressure of 10.20Kg/Cm2 Class PN 1.0 with flange of Table 5.

Supplying and fixing of Kirloskar/Kilburn /IVC/Fourcess/Gled/BHEL /Leader /Pelcom/KSB of reputed make of suitable size cast Iron double flanged sluice valve having size one step higher to delivery of pump and capable of with standing nominal seat pressure of 10.20Kg/Cm2 Class PN 1.0 with flange of Table -17

Supplying and fixing of Kirloskar/Kilburn/IVC/Fourcess/Gled/BHEL/Leader of suitable size cast iron double flanged swing check type reflux valve having bye pass arrangement & size one step higher to delivery of pump for withstanding nominal seat pressure of 10.20Kg/Cm2 Class PN 1.0 with flange of Table -17

Supply and fixing of Kirloskar/Kilburn/IVC/Fourcess/Gled/BHEL/Leader of suitable size cast iron double flanged swing check type reflux valve having bye pass arrangement & size equal to dia of R/main i.e. for withstanding nominal seat pressure of 10.20Kg/Cm2 Class PN 1.0 with flange of Table -17

Providing and fixing double flanged 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 pressure 1.5 times to total head. a) Suction Side = One dia higher to Suction. b) Delievery Side = One dia higher to Delievery. c) Common Header = 125mm Dia. GMSERW/GMS Pipe.

Providing and laying copper PVC insulated armoured power cable (One cable carrying all the three phases) of suitable size and capacity to motors and all other electircal equipments as per IS:1554(P-I) 1988 or latest with upto date ammendments of siemens/GLOSTER /IEC/ICC/EICO/NATIONAL/GRANDLAY make including all other accessories such as thinbles, flexible pipes,solders,nuts and bolts cable glands etc. laid in pipes or trenches under floor :- a) On supply side ( From metre of HPSEB to bus bar and Switch) =

Motor side (From switch to starter and starter to motor) =

P/L double loop earthing with GI plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes,thimbles,nuts & bolts,digging of pits,GI wiring & 25x5mm GI strips of required capacity conforming to BIS 3043-1987 latest with up to date ammendments for above motors & other electrical equipment.

Supply of standard make circular 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 or latest with up to date amendments.

Errection of all equipment from Se. No. 1 to 11 including cost of tees,bends,taper and any other fitting required as per site conditions and as per direction of Engineer- in- charge.