BTI and NHE has been one of the most successful institute in teaching and manufacturing business

1. A REPORT ON FIELD VISIT TO
B.T.I AND N.H. E
OXFORD COLLEGE OF ENGINEERINGAND
MANAGEMENT
Submitted By:
Samir Raj Bhandari
Sixth Semester
Bachelor of Electrical and Electronics
FRIDAY, SEPTEMBER 8, 2017
ACCOMPANED BY
Er. Bhim bhandari
Er. Ashish Shrestha

2. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 1 | P a g e SAMIR RAJBHANDARI
Field Trip
Butwal Technical Institute (B.T.I) andNepal Hydro and Electric Limited(N.H.E)
Location: Butwal-6,Odd Hoftun Path,Rupendehi.
Contacts:
B.T.I
Phone:+977-071-540133, Fax:+977-071-543698
E-mail:btibtl@wlink.com,Web:www.bti.org.np
N.H.E
Phone:+977-071-540212, Fax:+977-071-540456
Web:www.nhe.com.np
Date: 08/09/2017, Friday.
Participants: 6th
semester(6members) and4th
semester(22members)
Schedule:
Start: 7:00 am
Stop 1- Visitof the Butwal Technical Institute inButwal.
Stop 2- Visitof the Nepal Hydroand ElectriclimitedinButwal.
End: 4:00 pm
About Butwal Technical Institute
Figure 1: Outer look of B.T.I

3. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 2 | P a g e SAMIR RAJBHANDARI
Butwal Technical Institute (BTI) wasestablishedasaprojectunderan agreementbetweenGovernment
of Nepal andthe UnitedNationsMissiontoNepal (UMN) on21st
Kartik2020 B.S. (7th
November1963
A.D.). since 18th
Poush2067 (2nd
January 2011) thisinstitute is operatingasa“Company not Distributing
Profit”undercompanyAct 2063. It alliance withthe industriesof Nepal toprovide apprenticeship
traininginMechanical,Electrical,Weldingandcarpentry.Itprovidesshorttermand long-termtraining
programsstartingfrom 3 monthsto4 yearscourse in the above faculty.Ithas manydisciplinestooffer
to meetthe needsof useragencies.Itsintake capacityis 430 studentsincludingbothshortandlong-
termcourses.It has verygoodrecognitioninthe jobmarket.
The managingboard consistsof sevenmembersoutof whichfourare frompublicsectorand three from
the private sectors.
In our visittothe BTI we came across differentaspectof practical education.We hadan excellent
opportunitytolearnsomethingaboutdifferentkindsof mechanical,electrical equipmentandtools.
We alsocame across differentnewequipmentlike MIGandTIG welders,their scope, mechanismand
working.We alsovisiteddifferentfacultyof BTI withtheirlabinstallmentslikeMechanical,Electrical and
Welding.BTIhassome most advancedequipmentin Nepal.We came to know thatBTI as an institute
has a great practical exposure tothe students.Assaidbythe chief executive officer80% of the BTI
formatof educationinvolvespractical and20% involvestheory.
StudentsatBTI spendmostof theirtime infieldsandindustrieswhichwasveryimpressiveand
appreciable.We spentaveryknowledgeabletime inBTI.
About Nepal Hydro and Electric Limited
Figure 2: Entrance of NHE

4. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 3 | P a g e SAMIR RAJBHANDARI
NHE doesdifferentworksin mechanical andelectrical equipment manufacturinginvolvedinhydroand
electricpowergeneration,transmission,distribution,heavysteel structure,projectmanagementand
relatedactivitiesinthe hydropowerindustry.Itisa publiclimited companyestablishedin1985 A.D.
Theircapabilitiesinclude design,manufacturingandinstallationof hydropowerequipment,mainly
coveringvarioustypesof hydraulicgates,stoplogs,trashracks,penstockpipes,mediumsizedturbine
housings/casings,micro/miniturbinesandsubstations. Itaimstosatisfycustomerneedsinthe
manufacture,erection,testingcommissioningandthroughlife supportof equipmentinthe
hydroelectricpowerGeneration,transmissionanddistributionindustry,bybuildinguptheirown
capabilitiesandbymaximizingthe use of local.
In our visittoNHE we mainlydealtwithoursubjectmatterforthissemesterof PowerPlantEquipment
whichincludedturbines,gates,transformers,powerhouseequipmentandgenerators.
Luckily, we hadall the opportunitytosee all of those insingle place ina veryshorttime thanksto our
departmentforsucha lovelyarrangement.
In NHE theydoall kindsof manufacturing,maintenanceandrepairingof the followingthings:
S.N. PRODUCT TYPE CAPACITY
1. Water
Turbine
Propeller- PicoHydro
Cross-flow - Microand Mini Hydro
Pelton - Micro and Mini Hydro
Peltonhousing - MediumHydro
Francisstay ringand spiral casing - MediumHydro
200w-- l5 kw t0 - 250 kw
50 - 250 kw
Runneroutside diameterupto
4.5m
Stay Ringoutside diameterupto
4.5m
2. Valve Repairingof sluice,spherical andbutterfly Limited
3. Penstocks surface,pressure,lining,manifold,branchtube
and drafttube
Rollingthicknessmax.42mm, 5.5m
diaof 3m section
4. Gates Radial,Roller,Slide andBulk Head Maximuml5m x 22m size
5. Motor and
generator
Maximuml5m x 22m size Maximumup to500 kW
6. Transformer Repairing/Rewinding Maximumup to30 MVA,132 kV
class
7. Steel pole TelescopicandTubular Maximumup to33 kV powerline
8. Other
relevant
structure
Truss & girderbrigsand heavysteel trusses Limitedbyourliftingcapacity
It alsohad manymechanical andelectrical equipmentsome major equipmentare:
Mechanical equipment:PlanoMillingMachine,Horizontallathe,vertical lathe,Horizontalboring/milling
machine, Radial drillingmachine,Planermachine, Face lathe, Bendingbreakmachine,Platerolling
machine, Automaticmetal cuttingmachine,Guillotine clipper,Hydraulicpress,Electricaircompressor,
Sand blastingcubicle,Drypressure paintingmachine,Standbygeneratingset, Powersupplytransformer,
Galvanizingplant, Heattreatmentchamber,Mobilecrane,Forklift,Overhead crane (EOT)

5. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 4 | P a g e SAMIR RAJBHANDARI
Electrical Equipment: Windingmachines,Dryingoven, Vacuumoil fillingchamber,Oiltreatmentplant
(HighVacuumfilter),Overheadcrane (EOT),inducedpotential testset,Separatesource voltage
withstand Mobile forklift.
Hydro-mechanical equipmentisone of theirmajorProducts& servicesinthe Hydropowerindustry.
Theyhave done manyworksfor different national andinternationalhydropowerindustry.
1. Middle Marsyangdi: Fabrication,erection,testingandcommissioningof Manifold,Penstock
Pipesof 5.5m dia & 450m long - total 1,200 tons.
2. Kali Gandaki ‘A ‘: Assemblingof 3 nos. 56.5 MVA Generatorsincludingerectionof all Electrical
equipmentinthe Powerhouse
3. Jimrukh3* 4.2 MW and Khudi 4 MW
4. Khimti ‘I’: Fabricationof .5 unitsof I 2 MW PeltonTurbine Housingsincludinginstallation,
testingandcommissioningof completePowerhouseElectro-mechanical equipmentand70
MVA,10.5/132 kV SwitchyardinConsortiumwithGEEnergy
5. Chilime:Complete Hydro-mechanical &Electro-mechanicalEquipment Works
6. CHHUKA HYDROPOWER STATION 4 X 84 MW BHUTAN: The Contract signingof thirdrunner
"Reclamationof the 84 MW Vertical Pelton Turbine Runner"
Besidesthere are manyotherworksdone byNHE. It mainlygetsjobreferencesfromNepal Electricity
Authority,Butwal PowerCompanyLtd.,Himal PowerLtd.,Bhote Koshi PowerCo.Ltd., National Hydro
PowerCo.Ltd., Chilime HydroPowerCo.Ltd.,Druk Green PowerCorporationLtd.,Bhutan
Altogetherthe visittothe NHE was veryfruitful tous.
Glimpse of NHE
Figure 3: Horizontal lathe

6. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 5 | P a g e SAMIR RAJBHANDARI
Figure 4 & 5 : Millingmachine (left) andconcrete fillingframe forpowerhouse (right)
Figure 6 : Participantswiththe instructor,explaningthe FrancisTurbine
Figure 7: Maintenance of Francisturbine (firstandsecond) andGuide vanes

7. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 6 | P a g e SAMIR RAJBHANDARI
Figure 8: On loadtap Changing Powertransformer(left) andvertical lathe (right).
Figure 9: Submerged arcweldingmachine.(both)

8. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 7 | P a g e SAMIR RAJBHANDARI
Figure 10 : Penstockpipe manufacturedatNHE foruppersanjan,Rasuwa.
Figure 11: Switchcontrolledpowercranestoliftheavyequiptments

9. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 8 | P a g e SAMIR RAJBHANDARI
Figure 12: CNCmachine (topleft:platform, topright:gascutternozzle andbottom: view of CNC
machine )
Figure 13: Participants learningaboutFrancisturbine ,guide vanes,valves,corrosion

10. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 9 | P a g e SAMIR RAJBHANDARI
Figure 14: HV windingmachine.
Figure 15: Transformerbroughtforrepair

11. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 10 | P a g e SAMIR RAJBHANDARI
Figure 16: Transformercoil fromMINBHAWAN brought forrepair.(both)
Figure 17: Participantslearningthree phase transformer.

12. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 11 | P a g e SAMIR RAJBHANDARI
Figure 18: HV windingmachine
Figure 19: MIG weldermachine atBTI

13. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 12 | P a g e SAMIR RAJBHANDARI
Figure 20: Vacuum oil filling chamber for transformers (all)

14. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 13 | P a g e SAMIR RAJBHANDARI
Figure 21: Overview of NHE from past decades
Achievements from the field visit to BTI and NHE
1. Visualizationof the theoretical subjectmatter.
2. Introductiontonewand advancedmachine tools
3. Industrial exposer.
4. Managerial exposer
5. Knowledgeof electro-mechanical equipment.
6. Meetingnewpeople.
7. Increasedfeelingof brotherhoodwithjuniors
Areas of improvements for next visit
1. Pre-informationtothe concernedsite regardingthe visit
2. Properinformationaboutthe site specificallyitstime schedules
3. Scheme fortokenof love tothe concernedauthority
4. Compulsionandencouragementforthe studentstotake part inthe visit.
Conclusion:
By observingBTIandNHE we can conclude thatboththe institutionswere well managedand
cooperative.
We extend ourheartiestthankstothe executive officersof boththe institute forbeingsohumble and
kindforlettingusvisittheirpremises. we wouldalsolike to thanksall the unseenhandsforthe visit
withoutwhomthe visitwonthave beenasuccess.
We would alsolike tothankourdepartmentforthisvisit.We alsohope forthe continuityof the similar
kindof exposerinthe future.

15. A Report on Field Visit To B.T.I And N.H. E September 8, 2017
Oxford College of Engineering and Management 14 | P a g e SAMIR RAJBHANDARI
Lastly,we learntlotsof newthingsand ideasfromthisvisitmainlyinthe fieldof hydropowerindustry.
We are also eggertolearnnewthingsinotherstreams.