Retrofitting and Improvement of LWSS Suna Badkhoya in Tehsil Ramshehar District Solan HP

Amount

Demolition below G.L upto 1.50 metres depth including stacking of serviceable materials and disposal of unserviceable materials within 20 metres lead and including cutting the neceesary reinforcement and separating from R.C.C Work.

Excavation in foundation trenches upto all depths in all classification of earth work such as pick work,jumper work, saturated soil including bailing of pumping out water,blasting soft/hard rock where blasting is prohibited.In all lifts including trimming and dressing of sides,levelling of beds to correct grade i/c shoring,strutting,planking timbering and dewatering wherever required,stacking the usable and un-useable material / soil separately and after laying, jointing of pipes returning the useable soil in trenches in trenches in 15 cm (fifteen centimeters) layers including consolidating of each of each deposited layer by ramming and watering and disposing of all surplus excavated soil un useable materials as directed within all leads & lifts including restoration of un-metalled surfaces to its original condition and including cost of diverson for traffic night signals, fixing caution boards, crossing over trenches for excess to houses, fencing etc.complete in all respect with in all leads & lifts as per the direction of the Engineer-in-charge.

Excavation in drain and channels etc. earth work for pipes upto all depths in all classification of earthwork such as pick work, jumper work, saturated soil including bailing or pumping out water, blasting soft/hard rock or chiseling soft/hard rock where blasting is probihited in all lifts including jungle clearence wherever required, trimming & dressing of sides, levelling of beds to correct grade including shoring/struting, planking , timbering & dewatering wherever required stacking the useable/unuseable material/soil seperately & after laying, jointing & testing of pipes, returning the useable soil in trenches in 15cm layers including consolidating of such deposited layer by ramming & watering & then disposing of all surplus excavated soil/ unuseable material as directed with in all leads & lifts including restoration of un-metalled surfaces to its original condition & including cost of diversion for traffic, right signals, fixing caution boards, crossing over trenches for acess to houses, fencing etc. complete in all respect with in all leads and lifts and as per direction of the Engineer-in-charge at site of work.

Providing and laying cement concrete 1:3:6 ( Icement:3sand:6 graded stone aggregate 40mm nominal size)and curing complete excluding the cost of form work and cement in foundation and plinth including carriage of material in all leads & lifts.

Providing and laying cement concrete 1:4:8( I cement:4sand:8 graded stone aggregate 40mm nominal size)and curing complete excluding the cost of form work and cement in foundation and plinth including carriage of material in all leads & lifts.

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

Flat surfaces such as soffits of suspended floors, roofs, landings and the like.upto 200 mm thickness including carriage of material in all leads & lifts.

In walls (any thickness but not less than 0.10m thickness) partions and string courses and like. including carriage of material in all leads & lifts.

Providing and laying cement concrete work 1:1.5.3(Icement:1.5sand:3 graded stone aggregate 20 mm nominalsize)and curing complete excluding cost of work and reinforcement for reinforced concrete work in .

Flat surfaces such as soffits of suspended floors, roofs, landings and the like.upto 200 mm thickness .

In walls (any thickness but not less than 0.10m thickness) partions and string courses and like. including carriage of material in all leads & lifts.

Providing and laying cement concrete work 1:2:4 (Icement:2sand:4graded stone aggregate 20 mm nominalsize)and curing complete excluding the cost of form work and cement and reinforcement for reinforced concrete work in suspended floor roofs, landing and shelves and their support balconies, beam girderes bressumers and cantiliver upto floor two level including carriage of material in all leads & lifts.

Providing in RCC work smooth finishing of the exposed surface with cement mortar 1:3(1cement :3 sand)

Placing & fixing of tor steel reinforcement for RCC work i/c bending,binding and placing in possition complete including bending wire upto floor all level including carriage of material in all leads & lifts

Repair to plaster in patches of 2.50 square meter under and upto 10 to 15 mm thick including cutting the patch in proper shape & re-plastering the surface of wall including disposal of rubish to the dumping ground with all leads & lifts .with Cement mortar 1:4 (1 cement : 4 sand)

White washing with lime on undecorated wall surfaces two coats to give an even shade including throughly brooming the surface to remove all dirt dust mortar dirt and other foreign matter.

Finshing wall with water proofing cement paint of approved brand & manufacturer and of required shade on undecorated wall surfaces ( Two coats) to give an even shade after throughly brushing the surfaces to remove all dirt, dust and remain of loose powdered material in all leads and lifts and as per the dirction of the Engineer- in - charge.

Distempering (two coats) with oil bound washable distemper of approved brand and manufacture and of required shade on undecorated wall surfaces to give an even shade over and including a priming coat with distemper primer of approved brand and manufacture after thoroughly brushing the surface free from mortar droppings and other foreign matter and also including preparing the surface even and sand papered smooth. Priming coat with distemper primer

Providing and fixing pressed steel doors frames manufactured from commercial mild steel sheet of 1.25mm thickness including hinges jamb lock jamb,beed and if reuired angle threshold of mild steel angle of section 50X25 mm or base ties of 1.25 mm pressed mild steel welded or regidly fixed together by mechanical means,adjustable lugs with split end tails to each jamb including steel but things 2.5 mm thick with guards,lock strike plate and shock absorber as specified and applying a coat of approved steel primer after pretreetment of the surface as directed by Engineer-in-Charge.

Profile-"A".

Providing and fixing 1mm thick M.S.sheet door with frame of 40mmx40mmx6mm angle iron 3.15mm M.S. gusset plate at the junctions and corners including all necessary fittings, complete including applying a priming coat of red lead paint.using flat 30mm x6mm for diagonal braces and control cross/pieces including entire carriage of materials in all leads and lifts as per the direction of the Enginner-in-Charge.

Providing and fixing CI Man hole cover with frame having frame size of 500 mm internal dia ( Medium Duty). The weight of cover & frame should not be less than 116 kg. complete in all respect.

40mm thick cement concrete flooring 1:2:4(1 cement:2sand:4graded stone aggregate 20mm nominal size) laid in one layer finished with a floating coat of neat cement including carriage of materials with in all leads and lifts.

Providing and fixing 65 mm dia. C.I vent pipe including entire carriage of material upto all leads and lifts.

Laying,jointing and testing of GMS pipe (Light grade ) for Scour complete in all respect. 65mm dia

100 mm dia

80mm dia

Steel work welded in built up sections,trusses and framed work,including cutting ,hoisting ,fixing in position and applying a priming coat of red lead paint. In gratings framed guard bars, ladders ,railling,brackets and similar works.

Providing and fixing C.I Sluice valve ( with hand Wheel) as per IS:780-1984 class-1 upto 300mm dia ( including brass spindle and as per 2906-1984 class-II for dia > 300mm ) complete with nuts,bolts, rubber insertion etc.( The tail piece if required shall be measured & paid for separately) including entire carriage of material upto all leads and lifts. of following dias.

100 mm dia

80mm dia

Construction chamber for sluice valve with CI surface box 100mm top ,160mm bottom dia and 180mm deep (inside) with chained lid RCC top 1:2:4 mix( 1cement:2 sand:4 graded stone aggregate 20 mm nominal size) 100mm thick foundation concrete 1:5:10 mix (1cement:5 sand : 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortor 1:3( 1 cement: 3sand) finished with a floating coat of neat cement including curing complete: 600x600x750 mm inside size : with 150mm thick walls of RCC 1:2:4 ( 1cement:2 sand:4 graded stone aggregate 20 mm nominal size) complete with form work & reinforcement with 6mm bars and not exceeding 150mm centers both ways.

Construction of Precast concrete block masonary in partions walls 10cm. Thick with solid blocks of approved size including quion block closer etc. made of cement concrete 1:3:6( 1cement:3 sand:6 graded stone aggregate 40 mm nominal size) and down guard in cement mortor 1:3 ( 1 cement: 3sand) complete in all respect.

Providing and placing in horizontal layers of filtering media duly graded, screened, washed and cleaned as specified by the Engineer-in-charge completei in all respect :-

a) Top Layer: Fine sand ( Eff. Size 0.20mm to 0.40mm and uniformity coffecient 2.00 to 3.00

b) 2nd layer : Coarse sand 3mm to 6mm

c) Third Layer : Bajri 20mm to 25 mm

d) Fourth Layer : Bajri 6 mm to 20 mm

e) Bottom Layer: Broken stone 50mm

Laying, jointing testing & commissioning at site in trenches following plain ended GMS pipes of following dia of Medium grade for Rising main as under confirming to BIS 1239-(Part-I)-1990 or latest with upto date ammendments, capable of withstanding required test pressure as prescribed in BIS code in randum lengths of 5.5 to 6.5 mtrs.The pipes ends shall be bevelled suitable for butt welded joint including the cost of jointing with butt welding confirming to IS- 816-1969 or latest as applicable (leak proof) in three layers at site of work with welding rods of standard make and all allied acessories whatever required for welding at site, tail pieces, tees & bends manufactured from parent pipes etc and cuttings of pipes wherever required etc. as per site requirement i/c carriage in all leads & lifts and as directed by Engineer-in-charge .( Earth work shall be measured and paid for seperatly)(After every 90 mtr length their shall be 1 No flanged joint)

50 mm dia (Heavy Grade).

Providing, welding and fixing M.S plate flanges of 125mm dia (Nominal bore) of following flange Table conforming to ISI specification No. 6392-1971 or latest with upto date ammendments to GI pipe after every 100 meter or as per site requirement including cutting of pipes wherever required, welding in three layers (leak proof) confirming to specification as per prescribed in relevant IS Code i.e IS 816-1969 or latest as applicable with upto date ammendments with nuts, bolts & washers & specials etc. confirming to IS-1963 or latest with upto date ammendments including packing sheet i.e asbestos fibre sheet minimum 3mm thick and painting with anticrossive paints complete in all leads,lifts and carriage of material at site and as directed by the Engineer-in-charge.

50 mm dia Table-28

50 mm dia table -17

50 mm dia table -5

Laying, jointing and testing in trenches galvanised mild steel tube of following dia and grade confirming to BIS 1239 ( with latest ammendment upto date) as per classification of pipe as specified below. The laying of pipe shall confirm to BIS 5822 (With latest ammendment upto date), all kind of specials such as bends of all degrees to made from parent tube, short pieces, tail pieces all made from parent tube within all leads & lifts. (earth work in trenches to be measured and paid for separately).

25 mm dia

32 mm dia

50 mm dia

Providing fixing and placing in position at site peet valve/ brass full way valve of following data complete in all respect at site and as directed by the Engineer-in-charge.

25 mm dia

32 mm dia

50 mm dia

SUPPLY & ERRECTION OF CENTRIFUGAL PUMPING MACHINARY WITH ALLIED ACCESSORIES 1st stage :- Supply, erection, testing & commissioning of horizontal spindle,horizontal split casing,radial split Single,/Multistages centrifugal pumps of standarad make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beaconweir /BS & BE conforming to BIS 1520-1980 with upto date ammendments read with BIS 9137-1978 or latest edition to handle clear water having charters tics as mentioned in item 43.05 to 43.14 as under, with impelleres,casing ring, priming funnels & shaft sleeves of bronze, shaft of steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirlokar/ NGEF/ Crompton / Siemen/Jyoti /GEC make slip ring /squirrel cage screen protected drip proof induction electric motor suitable for operation on the data given below. i/c the cost of all accessories in all lead & lifts & carriage of material at site as per direction of Engineer-In-Charge.

Tota Head = 222.94

Capacity of each Pump set = 1.96 LPS

Dia of R/Main = 50 mm

Length of Rising Main = 790 mtr

SITE CONDITIONS:- Location of Site:- Gamber Khad

The altitude of place in which the motor is intended to work in ordinary service (in metres) :- , 500 mtr

Humidity:- Weather generally remains humid during monsoon season.

Nature of atmosphere:- As normally encounterd in Shivalik Range

Detail of quality of water:- Clear cold water.

Water free from sand or not :- not

Water corosive or not :- not

Turbidity (if any):- upto 50PPM

NPSH available:- Positive suction

Any other information or requirement:-

OPERATING CONDITIONS:- Type of current:- AC three/single phase

Operating frequency:- 50 HZ

Rated voltage:- 400 (+/-) 10% volts

System of earthing if any to to be adopted.:- Double loop earthing as per BIS 3043-1987 latest with upto date ammendments

No. of working hours per day:- 16 hours

Speed of revolution in RPM:- To be quoted by tenderer

Direction of rotation:- To be quoted by tenderer

The max. Temp. of cooling air & water in the place in which the motor is intented to work in ordinary service. 35 Degree Centigrade

MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date ammendments

Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)

Type of duty:- Continuous as per IS-12824-1989 or latest with up to date ammendments

Mechanical out put in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps.To avoid overloading of motor a margin of about 15-20% may be kept in the rated out put of prime mover.

Class of insulation:- Class ~B~

Max.permissible temp.rise of motor reqd. if different from given in B(viii) above:- , , To be specified by the Tenderer.

Particulars of test reqd. & where they are to be conducted:- As per terms & conditions

Particulars as to whether voltage limiting device will be employed:- star delta starter,oil immersed,fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.

Type of Motor :- As per BIS 9283-1979 or latest with upto date ammendments.

Details of shaft extension reqd.:-To work with the pump offered.

Breakway torque in terms of rated load torque & the corresponding breakway starting current which may be taken from the supply with the starting apparatus in circuit.:- Breakway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.

Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelrated & No.of starts during a specified period.:- Sufficient to work the pump offered

Where possible fault capacity of the system to which the motor is connected.:- The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.

PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date ammendments

Nos of pumps reqd.:- 2 No (One set will act as stand bye)

Spare parts required:- For two years normal maintenance as recommended by manufacturer.

Optional fittings reqd.:-

PUMP OPERATING CONDITIONS:-

Capacity (in LPS) of each pump set. 1.96

Total head (in Mts).:- 222.94

If total head is not known then

following details be provided:-

i) Static head ( in mtrs) 175.00 mtrs

ii) Minimum depth of water( in mtrs)

iii) Variation in water level ( in mtrs)

iv) Ground level to max. water level ( in mtrs)

v) Ground level to delivery point ( in mtrs)

vi) Pressure in the suction tank (in Kg/cm^2 )

vii) Pressure in the delivery tank (in Kg/cm^2 )

Length of R/Main (in metres):- 790 mtr

Dia of R/Main (in mm):- 50mm

Drive arrangement:- Direct through flexible coupling on a common base plate

Drive type:- Electric driven

NPSH reqd.:- To be quoted by the tenderer

Limits of total head in which the pump is reqd. to operate.:- (-) 15% to (+) 10% of total head.

Suction/delivery size of pump:- To be specified by the tenderer

Efficiency of pump at:- a) duty head of mentioned in item 30.01 = 222.94

b) (+)10 % of head as mentioned in item 30.01 = 245.28

c) (-) 15 % of head as mentioned in item 30.01 = 189.50

Material of construction:- To be specified by the tenderer (manufacturer~s certficate to be appended)

Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Tubro conforming to BIS-8544-1979 latest with up to date ammendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot,time lag,under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.

Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.

c). ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/Siemen/Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date ammendments immediatly after the power meter of HPSEB.

d).Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date ammendments.

e).ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/Standard make on incomming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date ammendments with initial oil filling whenever required & neutral linked under voltage release.

f).Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date ammendments.

g) Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/MET/GEC conforming to BIS-2516-1977 with upto date ammendments and of suitaible range which should have control box, oprating handel and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circut breaker for over current protection. The circuit should be equipped with magnet thermal release with metallic tap CTS. It should also be fitted earth fault for tripping of breaker on occurance of earth fault on/ of breaker load side.

h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.

i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date ammendments.

j)Change over Switch of reputed make and suitable capacity.

k).Single phase preventor of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date ammendments

supply and fixing at site of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Pelicon make of cast steel double flanged sluice valve having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentionmed in item No. 30.01 (+) surge presure & conforming to API-standards with up to date ammendments for delivery line of pump pump . The class of valve shall be CS -ASA-300.

Supply and fixing at site of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Pelicon make of suitable size cast steel double flanged swing check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentionmed in item No. 30.01 (+) surge pressure & conforming to API-standards with up to date ammendments for delivery line of pump . The class of valve shall be CS -ASA-300.

Supply and fixing at site of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Pelicon make of suitable size Cast Steel double flanged swing check type reflux valve having bye pass arrangement & size equal to dia of R/main as mentioned in item No.30.03 for withstanding nominal seat pressure as per item No.30.03 (+) surge pressure & conforming to API-standards . The class of valve shall be CS -ASA-300 and dia shall be same as dia of Rising main .

Supply and fixing at site of Kirloskar/Jyoti/Standard/Kilburn/Pelicon make cast iron flanged type sluice valve (In case suction is postive ) for suction pipe having size one or two size larger than suction size of pump such that valocity of flow is not more than 2.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780 or latest with up to date ammendments i/c cost of carriage of material and as directed by the Engineer-in-charge.

Providing, laying,jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date ammendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/accessories such as thimbles,flexible pipe,solder,nuts & bolts,cable glands etc. laid in pipes or trenches under floor. The type,size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. (2x10=20 Mtr )

Providing, laying,jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date ammendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder,nuts & bolts,cable glands etc. laid in pipes or trenches under floor.The type,size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. ( 2x10=20 Mtr )

Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes,thimbles,nuts & bolts,digging of pits,GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date ammendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.. .

Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date ammendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually,of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.

Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock,copper tubing etc. conforming to BIS 3624-1987 or latest with up to date ammendments.

P/F double flanged delivery pipe & common header of MSERW pipe confirming to IS/ISO--3183-2007 or latest with upto date ammendments of & of grade -210 having wall thickness 4.80 mm considering site requirements, NPSH required & available & common header of having area equal to two times the area of delivery branch of pump including tapers,flanges,rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 mtrs. away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The pipes shall be capable of withstanding minimum 1.5 times the total presure as indicated in item no 30.01. or total dynamic pressure(+) surge pressure which eaver is more . The size of suction pipe shall be one or two sizes larger than the suction size of pump such that valocity of flow in suction pipe is not more than 2.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. The jointing of delivery pipe & common header shall be done with flanged joints with flange of FT-28. The suction pipe shall however be GMS (MG) jointed with flanged joint of F.T-5 complete in all leads & lifts and carriage of material at site .

SUPPLY & ERRECTION OF SUBMERSIBLE PUMPING MACHINARY WITH ALLIED ACCESSORIES FOR Booster stage ):- Supply, erection, testing & commissioning of submersible pumping set of reputed make such as KSB/Calama/BS/ Johnston, Amrut/Sabar /Oswal/Worthington single phase +C8 conforming to latest relevent BIS code. The pump should be fitted with free flow impellers of bronze /suitable alloy as per BIS 5659 or latest with up to date ammendments suitable for raw/clear water having Charcterstics as mentioned in iten No.45.01 greased packed bearings & shell with wound 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 of Kirloskar/ NGEF/Jyoti / Crompton make conforming to relevent BIS code with up to date ammendments totally dust & water proof for submersible duty isolated from the pump by intermediate casing with double mechanical seal in oil chamber chamber & grease packed lubricated bearings & 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 the heating of motor. The pump set should include cubical Panel board comprising all accessories water level guard, errection clamps, cable clips & depth gauge etc. & suitable for operation on data given below:-

a). Total Head in mtrs (i/c depth of Column Pipe in case of t/well / hand pump) : 38.10 mtr.

b). Capacity (in LPS) of each pump set : 1.96 LPS.

c). Dia of R/Main (in mm) : 50 mm.

d).Length of R/Main ( in Mtrs) : 90.00 mtr.

A). SITE CONDITIONS:-

i). Location of Site :- Gamber Khad.

ii) The altitude of place in which the motor is intended to work :- 481.00 mtrs.

iii) Humidity :- Wheather generally remains humid during monsoon season.

iv). Nature of atmosphere :- As normally encountered in Shivalik Ranges.

v). Detail of quality of water :- Clear cold water

vi).Water free from sand or not :- Not

vii). Water corosive or not :- Not.

viii).Turbidity :- 50 PPM.

ix).NPHS available :- Positive suction.

B). OPERATING CONDITIONS :-

i). Type of current :- AC three/single phase

ii). Operating frequency :- 50HZ.

iii). Rated voltage :- 400 (+/-) 10% volts

iv). System of earthing if any to to be adopted :- Double loop earthing as per BIS 3043-1987 latest with upto date ammendments.

v). Speed of revolution :-To be quoted by tenderer.

vi). Direction of rotation :- To be quoted by tenderer.

vii). No. of Pumping hours per day :- 16 hours.

viii).The max. Temp. of cooling air & water in the place in which the pumpset is intented to work in ordinary service :-

C). MOTOR:-

i). Ref to BIS code :- BIS 9283-1979 or latest with upto date ammendments.

ii). Type of enclosure of motor :- As per BIS 4691-1985 or latest with up to date ammendments

iii). Type of duty :- "S1" i.e. Continuous duty type as per IS-12824-1989 or latest with up to date ammendments.

iv).Mechanical out put in KW :- Suitable for driving submersible pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated out put of prime mover.

v). Class of insulation :- Class ~B~ .

vi).Max.permissible temp. rise of motor reqd. if different from that given in B (viii) above :- To be specified by the tenderer.

vii). Particulars of test reqd. & where they are to be conducted:- As per terms & conditions attached.

viii). Particulars as to whether voltage limiting device will be employed:- Star Delta starter, oil immersed,fully automatic to be installed between bus bar & motor. Shunt capacitor is also proposed to be installed for improving the power factor at site.

(NOTE:- Star delta starter upto 37.5 KW & ATS for 37.5 KW & above)

ix). Type of motor :- As per BIS 9283-1979 or latest with upto date ammendments.

x). Details of shaft extension reqd :- To work with the pump offered satisfacterly.

xi). Breakway torque in terms of rated load torque & the corresponding breakway starting current which may be taken from the supply with the starting apparatus in circuit :- Breakway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.

xii). Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelrated & No.of starts during a specified period:- To work with the pump offered satisfacterly.

xiii) Where possible fault capacity of the system to which the motor is connected :- The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations .

D). PUMPS:-

i) Nos of pumps required :- 2 No. Pump.

ii). Spare parts required :- For two years normal maintenance as recommended by manufacturer.

iii). Type of drive :- Electric induction motor.

iv). Optional fittings required :- --------

PUMP OPERATING CONDITIONS:-

i). Capacity of pump (in lps) :- 1.96 LPS.

ii). Total head (in Mts.) :- 38.10 Mtrs.

If total head is not known then following details be provided:-

a) Static head (in mtrs):- 28.00

b) Minimum depth of water (in mtrs) :-

c) Seasonal Variation in water level (in mtrs):-

d) Ground level to max. water level (in mtrs) :-

e) Ground level to delivery point (in mtrs):-

f) Pressure in the suction tank (in kg/cm^2)-

g) Pressure in the delivery tank (in kg/cm^2) :-

iii). Length of R/Main (in mtrs):- 90.00 mtrs.

iv). Dia of R/Main (in mm):- 50 mm.

vii). Turbidity of water (in ppm) :- 50PPM

viii). Drive type :- Electric driven.

ix). Limits of total head in which the pump is reqd. to operate :- (-) 15% to (+) 10% of total head.

x) Suction/delivery size of pump :- To be specified by the tenderer.

xi). Efficiency of pump at :- To be specified by the tenderer.

a) duty head of as mentioned in in item No.58 (a ) :- 38.10 mtrs.

b) (+) 10 % head of as mentioned in in item No.58 (a ) :- 41.91 mtrs.

c) (-) 15 % head of as mentioned in in item No.58 (a ) :- 32.38 mtrs.

xii). Material of construction :- To be specified by the tenderer (manufacturers certficate to be appended)

Supply and fixing suitable submersible cable 4mm2 to submersible pump sets including entirecarriage of material upto all leads and lifts.

Amarjeet Thakur

GREWALSUBMERSIBLE AND ELECTRICAL SERVICE

AMAR SINGH GOVT CONTRACTOR