Construction of Lift Irrigation scheme ReriMashgan in tehsil BhunterDistt. Kullu HP

Amount

Excavation in foundation and trenches (for pipes and pits) up to all depth 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 bed to correct grade including shoring, strutting, planking, timbering and dewatering where ever required, stacking usable and unusable material/soil seperately 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 excavted soil/unusable material as directed with in all leads/lifts including restoration of unmetalled surfaces to its origional 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 respect within all leads and lifts as per direction of the Engineer in charge.

Providing and laying cement concrete 1:4:8 ( 1 cement:4 sand:8 graded stone aggregate 40 mm nominal size )and curing complete excluding cost of form work in foundation and plinth with in all leads and lifts complete in all respect and to the entire satisfation of the Engineer in Charge

Providing and laying cement concrete 1:2:4 ( 1 cement:2 sand:4 graded stone aggregate 40 mm nominal size )and curing complete excluding cost of form work and reinforcement for reinforced work in foundation and plinth with in all leads and lifts complete in all respect.

Providing form work with steel plates 3.15 mm thick welded with angle iron in frame 30x30x5 mm so as to give a fair finish including centering,shuttering,strutting and propping etc. with wooden battons and ballies,height of propping and centering below supporting floor to ceiling not exceeding 4.00 mtr and removal of the samefor in situreinforced and plain concrete work in :-

Foundation,footing & bases of columns and the like mass concrete with in all leads and lifts complete in all respect.

Providing Tor steel reinforcement for reinforced cement concrete work including bending, binding & placing in position complete upto floor two level i.c cost of binding wire with in all leads and lifts as per the entire satisfaction & direction of the Engineer - in - Charge.

Providing, laying,fixing, jointing and testing in trenches MSERW pipe of following dia meters confirming to ISO 3183-2007, pipe grade L290 or X-42 havinf 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, providing and welding of MS flanges detailed as below. The MS flanges shall confirm to BIS 6392-1971(with latest upto date amendments) duly welded in two layers (two inner and two outer) with pipes at both ends as per relevant BIS standard 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 respect to the entire satisfation 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 from the parent tube shall be provided anticorrosive treatment by applying two coats of anticorrosive bituminios 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 satisfation & direction of Engineer in charge with in all leads and lifts. (Earth work in trenches will be measured and paid for separately)

Submersible Stage :350 mm dia MSERW pipe thickness-4.80 mm FT-11

Ist Stage : 350 mm dia MSERW pipe thickness-6.40 mm FT-28

350 mm dia MSERW pipe thickness-5.60 mm FT-28

350 mm dia MSERW pipe thickness-4.80 mm FT-23

350 mm dia MSERW pipe thickness-4.80 mm FT-17

350 mm dia MSERW pipe thickness-4.80 mm FT-11

Providing, laying, jointing (by way of circumfrential butt welded joints by electrical arc welding and testing of MSERW pipe of following dia meters confirming to ISO 3183-2007, pipe grade L-290 or X-42 (latest with upto date amendments) having wall thickness as specified below with bevelled ends and capable of withstanding required test pressure in a random length of 4 to 7 meters, including manufacturing reduders/tapers, all short pieces, bends etc. as per site requirement made from parent tube. The laying of pipe will include all operation such as cutting, welding, jointing, fabrication of bends, tees, etc. including loweringand laying in excavated trenches to ensure required level including flushing, cleaning and hydraulic testing complete in all respects to the satisfation 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 from 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 satisfation & Engineer in charge with in all leads and lifts. (Earth work in trenches will be measured and paid for separately)

Ist Stage : 350 mm dia MSERW pipe thickness-6.40 mm

350 mm dia MSERW pipe thickness-5.60 mm

350 mm dia MSERW pipe thickness-4.80 mm

Raw Water Stage:- Providing and installation of suitable raw water centrifugal pumpset capable of handling 6000 PPM turbidity of KSB/Kirloskar/BS/SABAR make conforming to latest BIS code. The pump shall be fitted with single vane impeller of suitable alloy for handling raw water as per IS 5669-1970 having oil/grease packed bearings and stainless steel shaft, wound stator on motor side with shaft protection sleeves on pump side ensuring better life for shaft . The impeller of pump shall be directly mounted on extended submersible sq cage motor shaft conf to BIS 9238-1979 with up to date amendments of 1450 (N) RPM, totally dust and weather proof with detach able pump casing for easy inspection with double mechanical seal, grease/ oil lubricated bearings and provided with stainless steel thrust bearing plate to withstand vertical loads with minimum wear and tear,It should be fitted with device to take up expanion of water on heating of motor & suitable for operation on 415 +/- 10% volts 3 Phase 50 C/S AC supply. The power of motor should be at least 10% in excess of maximum power required by the pump in complete operating range with mounting stand/ duck foot bend, steel guide wire with mounting hook, lowering chain and standard accessories as supplied by the manufacturers complete, suitable for fulfilling the following requirements:-

Total Head (Mtrs.) 12.67, with suction head up to 5 mtrs.

Discharge (LPS) 28.96 LPS each pump

Length of R. Main ( Mtrs) 40 Rmt

Pumping hours 20

Dia of pipe 350 mm

Altitude above MSL (Mtrs.) 950 mtr.

(Note: Three sets will run in parllel to lift the total 86.89 LPS discharge

Providing and installation of control panel as per KSB / approved brand specifications and having protection of motor on occurance of faults { Triping on occurance of fault(s) i.e. Moisture, high motor temperature, dry running, reverse rotation, Single phasing, voltage imbalance, overload and short circuit } and indiation thereof by glowing fault lamp ; for motors above 30 KW another protection of Mechanical seal failure shall also be provided in addition to above protections; fitted with required accessories as per manufacturer standard practice.

Providing and fixing Double flanged Mechneil/ Leader / Pelican /Bhel/ Gled/ Kirloskar/ Kartar make Cast iron Sluice Valve in delivery side conf. to Class IS 780 PN 1.0; one size higher than delivery outlet size of pump

Providing and fixing Double flanged Mechneil/ Leader / Pelican /Bhel/ Gled/ Kirloskar/ Kartar make Cast iron Swing check type Reflux Valve in delivery side conf. to Class IS 5312 PN 1.0; one size higher than delivery outlet size of pump

Prov. and laying PVC Insulated armoured copper conductor cable Siemens/ Gloster/ IEC/ICC/EICO/National/Grandlay make of suitable size and suitable for motor offered under item No.8 complete with flexible pipe and couplers from HPSEB meter to Panel, switch, starter complete job, The type and size shall be subject to approval of Electrical authorities and in case of its non acceptance the same shall be replaced free of cost by the tenderer Supply side : _______ mm² Motor side : ______ mm²

Providing and fixing Double flanged Mechneil/ Leader / Pelican /Bhel/ Gled/ Kirloskar/ Kartar make Cast iron Swing check type Reflux Valve in delivery side conf. to Class IS 5312 PN 1.0; equal to dia of rising main i.e. 350mm dia

Prov. and laying PVC Insulated round copper conductor cable of suitable size suitable for motor offered under item No.8 complete having suitable cores to fulfill requirement of star delta starter and protection/ controls from panel to motor. 10 Mtr cable per set shall be supplied free of cost (cost inclusive in cost of pumpset ) additional length shall be measured to and paid seperately. Cost to be quoted for additional length over and above free cable of 10 Mtr/ pumpset

Providing and fixing 100 mm dial pressure guage of Fiebig/Bourden make having range 0-7 Kg/cm² with copper tubing, stop cock and allied access.as per IS 3624 - 1987 latest with up to date amendments

Providing and fixing MS/MSERW pipe of suitable size as detailed here under for delivery and common header complete in all respects with all specials like bends, tees, reducers, increasers, companion flanges including rubber/ asbestos gaskets of minimum 3 mm thickness as per IS 1364-1983. The pipes shall be as per relevant IS Code, the flanges shall be of compatible with Pumps, valves etc and suitable for withstanding 1.5 times the working pressure likely to be induced as stipulated against item No.8 above. Delivery side : Pipe of one step higher then delivery of pump (3 x 10 Rmtr.) Common header 400mm dia (5 Rmtr.)

Providing and fixing of L&T/Havells make shunt capacitor of suitable rating conf. to IS 2834-1986 latest with up to date amendments to raise power factor at site from 0.85 to 0.95, complete with required cable for direct connection to control panel and fittings.

Providing and fixing of cable for water level guard, supporting clamps, cable clips of required size

Ist Stage:- Providing 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 GRUNDFOS 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 point 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) 28.96 for each pump.

Total Dynamic head:- 329.13 Mtrs

a) LWL in sump well (h) 1001.25 metre

b) Shaft level 1000.00 metre

c) Level at discharge point 1320 metre

d) Suction lift +ve metre. -1.25mtr.

e) Discharge head 320.0 metre

f) Static head 320.0 metre

Rising main

a) Length 1720.00mtr

b) Dia 350mm

Pumping hours 20 Hours

Altitude of installation above MSL 950 metre

Characterstics of water Raw water with turbidity up to 3000 PPM.

a) Temperature 20 degree centigrade.

(Note: All Three pump sets will run in parllel to lift total discharge of 86.89 LPS)

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.19 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

a) 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

b) 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.

c) 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)

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

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

g) 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

h) ICTP switches with HRC fuses unit of Kilbur/L&T/siemens/stands/Havells make and of suitable capacity as per IS:4064:1978 with upto date ammendments

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

k) Capacitor of Mechneil/ BHEL/GEC make as per IS: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 rating 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

l) Providing suitable oil immersed starter delta/direct on line/auto transformer/ starter rotor starter of MEI/Kilburn/Jyoti /L&T/Siemens 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

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

n) 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 type cast steel valve, 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 350 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 analog 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. 20 to 27 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 thickness 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.19. The size of the various components to be as under:

Suction pipe : One dia higher then the suction 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 : One dia higher then delivery of pump 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 arsoured 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 thimbles, flexible pipes,solders,nuts and bolts cable glands etc. laid in pipes or trenches under floor

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

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

Providing and fixing double loop earth 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 Raw water & Ist stage)

Vineet Sharma

Oasis Enterprises