Construction of Lift Irrigation Scheme Neoli Tharman in tehsil and distt. Kullu

Amount

Lift -1 Providing /Installation of horizontal spindle,horizontal/redial split casing/end suction(Back-pull out arrangements) single/double/multi stage centrifugal pump or combination of pumps, In series/parallel of recommended make such as Mather and Platt/KSB/ Beacon Weir/Kirlosker/BE/Jyoti and approved make as per BIS 1520-1980 with upto date ammendments, read with IS:9137-1978 or latest edition suitable for lifting water for under mentioned characterestics with bronze,impellers/priming funnels,casing ring and shaft sleeves of bronze,shaft of steel grade 4508 FN8 with cast iron casing coupled directly through a flexible coupling on a common MS/Cast steel base plate (base plate to be from the manufacturer of the pumping unit only) to slip ring/ squirrel cage screen protected drip proof induction motor /motors of standard make such as Kirlosker/BHEL /Crompton /NGEF /GEC/Siemens/Jyoti /ABB and suitable for operation on 400(+/-)10% volts,50 cycles /second.3 phase AC electric supply. The power of electric motor/motors should be at +10% in excess of the maximum power required by the pump/pumps in the operation range of (+) 10% and (-)15% of the duty poiint head. The motor/motors as per ISI:325:1978 with upto date ammendments read with IS 900:1972. It should include cost of bearing nuts , bolts and painting etc. and should meet the following requirements:

Discharge (Q) 30.59 LPS for each pump

Total Dynamic head:- 170.70 m

a) LWL in sump well (h) 987.00 m

b) Shaft level 990.00 m

c) Level at discharge point 1142.00 m

d) Suction lift + ve

e) Discharge head 170.70 m

f) Static head 152.00 m

Rising main

a) Length 795.00 m

b) Dia 250 mm

Pumping hours 16 hours

Altitude of installation above MSL 990 m

Characterstics of water Raw water with turbidity up to 50 PPM.

a) Temperature 20 degree centigrade.

Providing ICTP main switch with HRC fuses of Kilburn/ L&T/Siemens/Standard/ Havells make and having capacity 30% extra of the operational rating as per IS: 4064-1978 with up to date amendments , immediately after the power meter of the HPSEBL.

Providing MS sheet steel fabricated floor mounted closed(almirah type) switch board including angle iron post of suitable height and size ISA 40x4r0x6 duly painted with steel sheet of 16 gauge comprising and capable of mounting the following accessories within all internal connections. All the accessories should be suitable for the proposed pumping machinery at item No.1 above and to the entire satisfaction of HPSEB authorities. The same shall have to be replaced with out extra cost if recommended by HPSEB authorities

OCB/MCCB of MEI/Havels/ standard make and of suitable capacity for offered motor on incoming feeder with or without initial oil filling as the case may be with neutral linked under voltage released as per relevent IS code with upto date ammendments

Earth leakage circuit breaker of recommended make (Kilburn/L&T/MEI/GEC) as per IS:2516:1977 with upto date ammendments of suitable range which should have control box, operation, handle and trip/reset bush button on/off indicators, re-indicating off spring condition of the ciruit breaking for cover current protection. The circuit should be equipped with magnet thermal release with metallic tap etc, it should also be fitted with earth fault for tripping of breaker on occurnce of earth fault on off breaker load side end.

The voltage monitor relay of AE/MEI/L&T / Havells 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:3482(latest edition)

Digital Power factor meter of standard make AE/L&T/IMP/Havells as per relevant IS code with upto dateammendments

Digital Frequencey meter of standard makeAE/L&T/IMP/Havells as per relvant IS code with uptodate ammendments

Bus bar chamber having three copper bars of suitable rating for full length equal to the width of the board for three live phases and suitable for inducted 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 unit of Kilburn/L&T/siemens/stands/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 Mechneil/ BHEL/GEC /Havells / L&T make as per 15:2834:1986 with upto date ammendments, to raise the power factor at site to 0.95 for direct connections to induction motor individually of required KVA rting according to H.P.offered including cables as per relevant ISI code (of siemens/clocter.IEC make )from bus bar chamber to capacitor and also including ICTP switches of appropriate range as per Is:4064:1978 with upto date ammendments

Providing suitable oil immersed star delta starter/direct on line starter /auto transformer starter/ Soft Starter of MEI/.Kilburn/Jyoti /L&T/Siemens/ABB make as per IS:8544:1979 with upto date ammendments for squirrel cage/slip ring motor mounted on panel board with magnetic type over-load release and dashpot, time lag, under voltage release with or without initial oil filling as the case may be with single phae preventor as per IS:1248( P-V) 1983 with upto date ammendments

Providng Digital hour run meter of recommended make and suitable capacity as per IS:722(latest edition.)

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

Providing double flanged CI sluice valve PN1 of Leader/BHEL/Kirlosker/GLEd/Kilburn Fourses / Kartar make and equal to dia of suction pipe and cpable of withstanding the normal seat pressure as per IS:780:1984 with upto date ammendments

Providng double flanged cast steel sluice valves ASA-300 of leader/BHEL /Kirlosker/Kilburn GLED/fourses make and one step higher then delivery line of pump and capable of withstanding the normal seat pressure and as per BIS standards with upto date ammdnements

Providing double flanged swing check type cast steel reflux valves , ASA-300 of Leader/BHEL/ Kirlosker/Kilburn /GLEd/Fourses make and having bye pass arrangements of one step higher then delivery line of pump and capable of withstanding normal seat pressure as per BIS standards with upto date amnmendments)

Providing double flanged cast steel reflux valves class ASA-300 of Leader/BHEL/KILROSKER/Kartar/KILBURN/GLED/FOURSES make and of 250 mm dia having bye pass arrangements for rising main and capable of withstanding normal seat pressure as per BIS standards with upto date ammendments.

Providing 100mm dia circular dial pressure gauge of suitable range of Fiebig /Bourden/ PREGA/precision make complete with all accessories such as stop cock, copper tubing etc.as per IS: 3624-1987 with upto date ammendments.

Providing discharge meter of standard make to be fixed on the rising main in pump house as per the directions of the Engineer in charge as per Is:2373:1981 with upto date ammendments

Installation of all the items apparing at serial No.1 to 9 as per the systematic drawing

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 1.5 times total head stipulated under item No.1. The size of the various components to be as under:

Suction pipe : One dia higher then the delivery of pump offered and suitable to keep the velocity of flow from 1 to 1.5M/second in the suction pipe

Delivery pipe: One dia higher then the delivery of the pump offered and suitable to keep the velocity of flow from 1.5 to 2M/second in the delivery pipe

Common header : Equal the dia of Rising Main = 250 mm dia and will extend upto 5 meters from the outer wall of the pump house in the direction to be jointed

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 ith upto date ammendments of siemens/GLOSTER /IEC/ICC/EICO/NATIONAL/GRANDLAY/Havells make including all other accessories such as thinbles, flexible pipes,solders,nuts and bolts cable glands etc. laid in pipes or trenches under floor

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

Supply side (From Meter of HPSEB to bus bar and switch)

Providing and fixing double loop earthing with copper plate 600mmx600x3mm thick electrode complete with material such thimbles nuts and charcoal and common salt, 25mmx5mm copper strips as per IS:3043:1987 with upto date ammendments for motors and other electrical equipments and digging of pits etc. complete in all respect.(For both phases).

Excavation in foundation and trenches (For pipes and pits) up to all depths and in all classification of earth work such as pick work, jumper work, saturated soil including bailing or pumping out of water, blasting soft or hard rock or chiselling or wedging out of soft/hard rock , where blasting is prohibited, in all lifts including trimming and dressing of sides, levelling of beds to correct grade including shoring, strutting , planking, timbering and dewatering where ever required. Stacking usable and unusable material /soil seperataly and after laying, jointing and testing of pipes (for pipes only), returning the usable soil in 15cm layers by ramming and watering and then disposing of all surplus excavated soil/ unusable material as directed within all leads/ lifts including restoration of unmetalled surfaces to its original condition and including cost of diversion for 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 direction of the Engineer-in-charge. (Pick work 80 % & 20% Jumper work)

Providing and laying cement concrete 1:4:8 (1 cement:4sand:8 graded crushed stone aggregate 40mm nominal size) and curing complete excluding cost of form work in foundation and plinth in all leads and lifts and to the enitre satisfaction of Engineer-in- charge.

Providing form work with steel plates 3.15mm thick welded with angle iron frame 30x30x5mm so as to give a fair finish including centring,shuttering, strutting and propping etc. with wooden battens and ballies, height of propping and centring below supporting floor to ceiling not exceeding 4mtr. and removal of the same for insitu -reinforced concrete and plain concrete work in :

Vertical surface such as walls(any thickness) partitions and the like including attached pillasters, butteresses, plinth and string courses and the like.

Providing tor steel reinforcement for RCC work including bending, binding and placing in position complete up to floor two level in all leads and lifts as per the direction of Engineer in Charge.

Providing and laying cement concrete 1:2 :4 ( 1 cement: 2 sand: 4 graded crushed stone aggregate 20 mm nominal size )and curing complete excluding the cost of form work and reinforcement for reinforced concrete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in- charge in: -

Foundation and plinth.

Walls(any thickness but ot less than 0.1 mtr thickness) attached pilasters, buttresses, plinth and string courses etc. from top of foundation level up to floor two level.

Providing , laying, fixing, jointing and testing in trenches MSERW pipe (ISO:3183) of following dia meters confirming to Grade-A and B (latest with upto date amendments) steel grade- A having wall thickness as specified below with plain end and capable of withstanding required test pressure in random length of 4 to 7 meters, including specials, short pieces, bends, reducers, tees etc. made from parent tube, provinding and welding of MS flanges detailed as below. The MS flanges shall confirm to BIS 6392-1971 (with latest up to date amendments) duly welded in two layers (two inner and two outer) with pipes at both ends as per relevant BIS standards along with nuts and bolts of required sizes, 3mm thick compressed asbestos fiber/synthetic rubber gaskets confirming to relevant BIS standards. The laying of pipe will include all operation such as cutting, welding, jointing, providing & fixing of MS flanges, fabrication of bends, tees etc. including lowering and laying in excavated trenches to ensure required level including flushing, cleaning and hydraulic testing complete in all respects to the satisfaction of the Engineer in charge. The fabricated bends shall have three or four cuts having its radius not less than five times the dia of pipe. The pipes shall be factory galvanized (zinc coating both inside and outside) as per relevant IS standards and the damaged portion of the pipes and specials made form the parent tube shall be provided anticorrosive treatment by applying two coats of anticorrosive bituminous paint over a priming coat as per AWWA specifications C-203-1978. The welding electrodes shall be as per IS 814 of Advani Oerlikon/ L&T or ISI marked make. The rates also includes entire carriage of material, flushing, cleaning & hydraulic testing complete to the best satisfaction & directin of Engineer in charge with in all leads and lifts. (Earth work in trenches will be measured and paid for separately).

MSERW Pipe Grade L-290 or X-42 250mm dia 4.80mm thickness Flange Table 23 ( Flanged )

Providing Butt welding, laying and testing to levelled grades, IS marked Galvanised MSERW Pipes beveled ended of following dia mtr. / specifications confirming ISO:3183 ( with upto date amendments ) of steel grades , Grade-A and B jointing the pipes with butt welding at both end according to relevant BIS standards / approved specifications including manufacturing reducers/ tapers all short pieces , and bends as per site requirements and made from parent tubes ( to be measured and paid along with pipes ). Bends shall be manufactured in such a way that not more than 11-1/4 degree deflection is caused by a single cut and internal dia is not reduced including hydraulic testing to the entire satisfaction of Engineer-in -charge. The pipes and specials shall have in factory galvanized coating as per IS :4739 ( with latest amendments ) . The damaged portion of galvanization due to welding shall be provided with anticorrosive treatment by applying two coats of bituminous paint over priming coat as per AWWA specification C-203-1978 ( Earth work to be measured & paid for separately)

MSERW Pipe Grade L-290 or X-42 250mm dia 4.80mm thickness ( Butt welded pipe )

Anurag Deep

Bharat Engg and Suppliers

Raman Thakur Govt. Cont.

SANJAY SAINI

Yash Pal

Sunny Kapoor

NISHANT KUMAR