Improvement of Lift Irrigation Scheme Bachhari Masdan Parnal Mehri Kathla and Ladher in Tehsil Ghumarwin District Bilaspur SH Supply and Erection of centrifugal pumping machinery along with allied accessories and laying jointing and testing of Rising

Amount

Providing horizontal spindle horizontal split casing/end suctions (back pull out arrangement) single/double/ multistages centrifugal pump or combination of pump in series of recommended make such as Mather & Platt/KSB/Kirloskar make as per BIS-1520-1980 with upto date ammendments, read with IS: 9137-1978 or latest edition suitable for lifting Raw water for under mentioned characterstics with C.I impellers/priming funnels, casing ring and shaft sleaves 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 Squarrel type drip proof 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 atleast 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 upto date ammendments read with IS: 900-1972. It sho etc. and should include cost of bearing nuts, bolts and pointing etc. and should meet the following requirements.

Discharge (Q) 30.180 LPS Pump.(All the pumps (3 Nos) run simultaneously

Total Dynamic Head: 112.00 Meters.

LWL in sump well (h). 496.50 Meters.

Pump Shaft level: 495.5 Meters.

Level at discharge point. 600.00 Meters.

Suction lift. 4.50 Meters.

Residual head: 3.00 Meters.

Static Head. 99.50 Meters.

Rising main.

Length. 1050.00 Meters. (Coupling)

Dia. 350 mm (Base plate)

Pumping Hours. 20 Hours.

Altitude of Installation above MSL Meters

Characteristics of water.

(a) Temperature 20o C

(b) Abient Temp. 42oC

(c) Turbidity 200 PPM

(d) Alkalanity. Mg/Ca Co3

(e) Size of the solids. Mm

(f) Other.

Providing ICTP Main Switch with HRC fuses / side handled operated change over switch of L&T/Crompton/Standard/Havells make suitable Capacity Operational rating as per IS: 4064-1978 with upto date ammendments immediately after the power meter of HPSEB.

Providing M.S. sheet, steel fabricated floor mounted closed ( Almirah type) switch board including angle iron post of suitable height and size ISA 40x40x6mm, duly painted, with steel sheet of 16 gauge comprising, capable of mounting the following accessories with all internal connections:-

Oil circuit breaker of Havells/MDS/Standard make suitable capacity on incoming feeder with or without initial oil filling as the case may be with neutral linked under voltage releases as per IS: 2516-1985 with upto date ammendments with.

Earth leakage relay of Havells/MDS/INDETEC make as per IS: 2516-1977 with upto date ammendment which should have control box operating handle and trip/reset bush button on/off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet thermal release with metallic tape etc. It should also be lifted with earth fault for tripping of breaker on occurrence of earth fault on off breaker load side end.

The voltage monitor relay of L&T/AE make three phase with all protection and usual indicator and electric siren against single phasing low voltage, high voltage, reverse phasing, over loading and phase voltage difference as per IS: 3842 ( Latest edition).

Power factor meter of standard make AE/L&T Rishab as per relevant IS code with upto date ammendments of suitable rating.

Frequency meter of standard make AE/ L&T rishab as per relevant IS: Code with upto date ammendments of suitable rating.

Bus bar chamber with copper strips having three bars of suitable rating for full length equal to the width of the board for three live phases and suitable for induced current, one copper bar of half the rating of full length for neutral phase as per IS : 8084-1976 and IS: 11353-1985 read with BIS 5578-1985 with upto date ammendments.

ICTP switches with HRC fuses of L&T/Standard/ Havells make and of suitable capacity as per IS: 4064-1978 with upto date ammendments

Three phase indicator lamps complete with toggle switches for individual motors as per IS: 3452 ( P-I&II) with upto date ammendments

Capacitor of L&T/Bajaj/Assian/Crompton make as per BIS: 2834-1986 latest with upto date ammendments to raise the power factor at site to 0.95 for direct connection to induction motor individually of requred KVAR rating according to HP offered including cable as per relevant ISI code of siemens/Gloster/IEC make form busbar chamber to capacitor and also including ICTP switches of appropriate range as per IS: 4064-1978 with upto date amendements 25 KVAR

Supply suitable ATS starter of MEI/ Kilburn make to BIS 8544-1979 with upto date amendments for squirrel cage motor mounted on penel board with magnetic type over load release and dashgas-pots, time legs, under voltage release with or without initial oil filling as the case may be with single phase preventor as per IS: 1248 (P=V)1983 with upto date amendements. 100 HP capacity.

Providing Hour run meter of recommended make of suitable capacity as per IS: 722

Providing and fixing Cast iron flanged screwed type foot valve with strainer as per 4098-1986 in all leads and lifts and to the entire satisfaction of the Engineer-in-charge. 400mm dia

Providing double flanged cast steel sluice valve of Leader/ Kirlksar/KSB make of one dia higher the delivery of pump for the delivery pipe and capable of withstanding the norma seat pressure as per BS: 1868/API-600 in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Providing double flanged cast steel Reflux valve of Leader/ Kirloskar/KSB make one dia higher the delivery of pump and capable of with standing the normal seat pressure and as per BS: 1868/API-600 Class ASA-150 with upto date amendements and to the entire satisfaction of the Engineer-in-charge.

Providing double flanged (Swing type) cast steel Reflux valve of Leader/Kirloskar make and 350 mm dia having bye pass arrangement on the delivery line of pump and capable of with standing normal seat pressure 21kg/cm2 API-600 (class ASA-150) with upto date amendements. 350 mm dia

Providing 100mm dia circular dial pressure gauge of Fiebig make complete with all accessories such as stop cock, copper tubing etc. as per IS: 3624-1979 with upto date amendments

Providing 100mm dia circular dial vacume gauge of Fiebig make complete with all accessories such as stop cock, copper tubing etc. as per IS: 3624-1979 with upto date amendments

Installation of all the items appearing at Serial No. 1 to 8 as per the systematic drawing attached with the tender documents. (Drg No.1)

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 No.2 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 to be as under:-

(i) Suction pipe: 400mm dia Min.length flange with table-5

(ii) Delivery pipe 300 mm dia -do- flange with table-17

(iii)Common Header 350 mm dia -do- flange with table-17

and will extended upto 5 meters from the outer wall of the pump house in the direction to be jointed.

Providing and fixing Havells / Fanalex/Gloster/National make three core copper conductor cable suitable for AC supply upto 1100 volt conforming to IS: 694 or IS: 1554 and to the entire satisfaction of the Engineer-in-charge.

Providing and fixing double loop earthing and Copper plate 600mmx600mmx3mm thick electrode complete with material such as thimbles, nuts and bolts, charcoal and common salt, 25mmx6mm copper and G.I wire as per IS: 3043-1987 with upto date amendments for motors and other electrical equipments and digging of pits etc. complete in all respect.

Rising main.Excavation in foundation and trenches etc. ( for pipe and pits) up to all depths and in all kinds of soils such as pick work, pick jumper work, saturated soil including bailing or pumping out of water, blasting in soft/ hard rock, chiseling/wedging out of rock where blasting is prohibited, in all leads and lifts including trimming and dressing of sides, leveling of beds to correct grade including shoring, strutting, planking timbering and dewatering wherever required, stacking usable and unusable materials/ soils separately and after laying, jointing and testing of pipes, returning the usable soils in 15 cm layers by ramming and watering and then disposing of all surplus excavated soil / unusable materials as directed within all leads and lifts including restoration of un-metalled surfaces to its original condition and including cost of diversion of traffic, night signal boards, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respects within all leads and lifts as per the direction of the Engineer-in-charge.

Providing laying, jointing and testing in trenches of galvanised MSERW flanged pipe excluding cost of flanged bends of all degrees conforming to IS: ISO 3183-2007 Grade L-210 or A as per dimensions weight and test pressure mentioned below in a randomlength of 4m-6m, The flanges are to be provided 5% of total jonits as per table below conforming to IS: 6392-1971 (latest upto date amendmenets) and weding of flanges with pipe as per IS: 816-1965 with a electrode as per IS:814-1967 including required numbers and size of MS 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 and 95% butt welded joints by considering minimum three layers,. The welding of flanges to be done on both faces in two layers on outer face+ one layer on inner face 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 (erth work in trenches MS flanges and butt welded joint to be measured and paid for separately). The pipe shall have zinc coating as per IS: 4736 in factory latest with upto date amendments

MSERW pipe 350mm dia with thickness of 4.80mm with O.D 355.60 mm having 41.526kg/mtr

Providing and welding of MS flanges at suitable pint,to be provided 5% of total joint and remaining 95% joints with butt welded joint, conforming to following tables as per IS: 6392-1971 (Latest with upto date amendmenets) with plain end MSERW pipes in three number of layers on both faces (one innter and 2 outer) to make the joint leak proof (The cost of providing and laying of MSERW pipes to be measured and paid for seprately). the welding of flanges should conform to IS: 816-1969 with electrodes a sper IS: 814-1991 and required number of nuts and bolts confirming to IS: 1364 including cost of gakset sheet nuts and bolts. The thickness of gasket sheet not less than 3.00mm conforming to IS: 2712-1998. The work shall be done and to the entire satisfaction of the Engineer-in-charge.

MSERW pipe as per IS/ISO:3183-2007 of grade L-210 or A table 17

MSERW pipe as per IS/ISO:3183-2007 of grade L-210 or A table 5

Providing circumferential butt welded joints by electrical arc welding of GMS/MSERW PIPE, welded in requiste 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 2.5mm to 6.3mm of Advani Orelon (Adore)-CITOJET/ESAB make, conforming to IS: 814-1991 at site of work complete in all respect, including manual/ mechanical handling of pipe in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.( Butt welding joints of various dia).

MSERW pipes as per IS/ISO: 3183-2007 of grade L-210 or A (W.T 4.80mm)

SUNIL KUMAR

SS ENGINEERING WORKS

puneet angra

Neeraj Kumar

Surjeet Singh Thakur

M/S Apurva Construction

Naik Electrical Works