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Survey Camp 2072
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Presented By:Dhruba Rajbanshi (45509)
Dibya Ranjan Chaudhary (45510)Dipak Bahadur Gurdhami (45511)
Gautam Rajbansi (45512)Gaurab Basnet (45513)
Harish Malla (45514)Kalidas Pandit (45515)Kiran Sharma (45516)
Prabhat Paudel (45527)Pragati Basnet (45528)
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introduction1.Cadastral Survey
2.Hydro Power Survey
3.GPS Survey
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Work scheduleOrientation Mangsir 9Cadastral survey Mangsir 10-15Hydropower orientation Mangsir 23Hydropower survey Mangsir 24-29GPS orientation Poush 1GPS survey Poush 1-3Document preparation Poush 4-7Presentation Poush 8
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Cadastral Survey
Bhalam, Pokhara-20
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Prepare Cadastral map of Bhalam, Pokhara-20
Prepare Database of Parcels.
objective
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Digital cadastral procedure
Planning Notification Controlling
DemarcationAdjudicationCadastral Surveying
Database Preparation Registration
Distribution of Land
Ownership Certificate
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Parcel numbering system
Filiation
Fractional
Free
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sheet numbering system
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180Divisions
1600Divisions
Scale 1:2500Ground Distance
of 1.25 km
4Divisions
Scale 1:1250Ground Distance
of 625 m
25Divisions
Scale 1:500Ground Distance
of 250 m
sheet numbering system
Scale 1:1,00,000Ground Distance
of 50 km
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1. Field Book2. Land Ownership
Certificate
3. File Maps 4. Plot Register
Components of Cadastral System
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Subject Legal Data
Survey Data Data Quality
Requirements of Cadastral System
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Methodology followed Reconnaissance
Control PointEstablishment
Detailing
Map Preparation
Database Preparation
TopologyCorrection
Final Map Dissemination
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results
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Hydropower survey
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components
Weir and Intake& Settling Basin
Hydropower survey
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components
Canal
Hydropower survey
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components
Fore Bay Tank
Hydropower survey
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components
Penstock
Hydropower survey
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components
Power House & Tail race
Hydropower survey
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Primary objective • to plan for feasible location of prominent structures such as
intake, dam, canal, fore bay, penstock pipe, power house and tail race. • Secondary objectiveTo prepare the topographic map of site containing head
works to tailrace To plot the cross-section and L-section of the canal. To determine the power generation capacity of the hydro
projectTo prepare the cross section and L- section of the river
Hydropower survey
objectives
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Sardi Khola VDC, ward No. 7 of Kaski district. The site is shown in rectangle filled with red
color is shown in figure below.
Hydropower survey
Study area
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• Total Station (Topcon230N) • Prism (Reflector+ stand) • Measuring tape /steel tape• Tripod stands
ArcGIS 10.1Microsoft office 2013
Hydropower survey
Instrument used
software used
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METHODOLOGY
Reconnaissance
Monumentation & description card
Traversing
Detailing
Traverse Adjustment
Discharge measurement& power estimation
Data Download
Hydropower survey
methodology
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Topographic map of hydro power survey site results Hydropower survey
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CONCLUSION• Through this project we got the knowledge about the
hydropower survey ,providing the feasible site location of hydropower component
• The head difference was of 24.89m which produced the energy of 529.304KW.
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Gps survey
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INTRODUCTION• Satellite-based radio-navigation system that is capable of
providing extremely accurate worldwide, 24-hour, 3-dimensional location data
• The system was designed and is maintained by the US Department of Defense (DoD) as an accurate, all-weather navigation system, in 1970s
• Though designed as a military system, it is available with certain restrictions to civilians
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The Working Principle of GPS• Position of a unknown object can be identified by measuring
range/distance of the object from at least three known position, a well-known principle of trilateration in traditional surveying• The distance from satellite to earth is calculated by using
the relationship of velocity of light signal and time taken to reach the earth• In GPS, at least three (actually, 4) known positions of
satellite are used to identify the unknown position on (or above) the earth surface
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Components: Space Segment• Consist of 24 operational and 5 backup satellites• 6 orbital planes at inclination 55° and 60° apart• Satellite altitude about 20,200 km• Orbital period 12 hrs• Each GPS satellite transmits a signal, which has a number of
components: two sine waves (also known as carrier frequencies):
L1(1575.42 MHz) and L2 (1227.60 MHz)two digital codes and a navigation message:• Main functions of Space segmentReceive and store data from control segmentMaintain a very precise timeTransmits coded signals to user receivers through two carrier
frequencies
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Components: Control SegmentConsists of Master control station (1 functional+ 1 backup) at Colarado
Springs, three uploading stations, six monitor stations and ten national geodetic stations
FunctionsMonitor the satellitesEstimate the on-board clock state and define the
corresponding parameters to be broadcastDefine the orbits of each satellites in order to predict the
ephemeris and almanacDetermine the altitude and locations of satellites in order to
determine the parameters to be sent to the satellites for correcting their orbits
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Components: User Segment• The user segment includes all military and civilian users• With a GPS receiver connected to a GPS antenna, a user
can receive the GPS signals, which can be used to determine his or her position anywhere in the world• GPS is currently available to all users worldwide at no
direct charge
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Limitations of GPS Surveying
Atmospheric Errors: Ionosphere and troposphere delaysSignal multipath errorsSatellite clock errorsReceiver clock errorsOrbital/ephemeris errorsNumber of satellite visibleDilution of precision(DoP): VDoP, HDoP, GDoP, and PDOPSelective availability and anti-spoofing
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Positioning Methods
• Commonly two type of positioning methodsAbsolute or point positioning : uses the single receiver, most basic and common, less accurate
and fast technique, also called standalone/absolute/autonomous positioning
Differential or relative positioning: uses at least two receivers (base/stationary/reference receiver
and rover/ roving receiver), attain higher accuracy than point positioning,
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OBJECTIVES
• The main objectives of this project is to prepare the map showing all the government offices in Pokhara municipality.• The other objectives are as follows;To know about handling handheld GPS deviceTo use GPS as the technique of data collection for
GIS
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STUDY AREA
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Geographic location: 28-50-50 N, 83-58-20 E Area: 55.222 square KM Highest elevation: 1740 m Lowest elevation :827 m
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METHODOLOGY
Data Collection
Data Transfer
Map Preparation
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Results
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CONCLUSION AND RECOMMENDATION G
PS
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GPS survey is most useful and for regional scale it is best suited for thematic mapping in the present context of surveying
In this camp, all government offices are not known to us and hence all offices are not mapped in this map
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Bibliography
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Langley, R. B., .The GPS Receiver: An Introduction to GPS World, Vol. 2, No. 1, January 1991, pp. 50-53.
Ahmed El-Rabbany, Introduction to GPS: The Global Positioning System, 1-10.
Satellite Geodesy, Walter de Gruyter Berlin, New York 2003, 211-240. Anderle, R. (1979): Geodetic applications of the NAVSTAR Global
Positioning System. Central Bureau of Statistics. (2015, Nov 30). Retrieved from
http://www.cbs.gov.np/ National Journal of Geoinformatics. (May-June, 2006). Survey Department of
Nepal. Arbind Man Tuladhar, "Parcel-based Geo-Information System: Concepts and
Guidelines", ITC Dissertation Series No. 115: Netherland, (2004). Babu Ram Acharya (June 2008). Land Tenure and Land Registration in Nepal,
Sweden. Land Administration Guidelines (1996), United Nations Publications: New
York. Basidev Bhatta, 2011, Remote Sensing and GIS, Oxford University Press, New
Delhi, 188-223
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Thank you
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