Geodetic Network Designations and Control Survey Classes
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Questions and Answers

What is the accuracy standard for 4th Order geodetic control in terms of linear error?

  • 30 cm/km
  • 10 cm/km (correct)
  • 20 cm/km
  • 5 cm/km
  • In the context of geodetic control, what is the spacing of stations for secondary traverse?

  • 100 to 500m (correct)
  • 500 to 1500m
  • 2000 to 2500m
  • 100 to 1000m
  • What is the primary method recommended for conducting control survey using ETS surveying instruments?

  • Trilateration
  • Triangulation
  • Both Traverse and Triangulation (correct)
  • Traverse
  • What is the relative error standard for 3rd Order geodetic control?

    <p>1/20,000</p> Signup and view all the answers

    Which specification indicates that the angular error in a traverse should not exceed 30 seconds?

    <p>Secondary Traverse</p> Signup and view all the answers

    What is the distance requirement for a 1st Order control survey?

    <p>50 kilometers</p> Signup and view all the answers

    For a Secondary Geodetic Network, what is the distance requirement for a 3rd Order control survey?

    <p>5 kilometers</p> Signup and view all the answers

    Why should swampy or loose soil areas be avoided in the preparation of the map of a project site?

    <p>They may affect the stability of control points</p> Signup and view all the answers

    What is the purpose of numbering each station in a Network Design for control surveys?

    <p>To keep track of them during field reconnaissance</p> Signup and view all the answers

    What role does the NAMRIA Topographic Map play in the preparation of a project site map?

    <p>It serves as the base map</p> Signup and view all the answers

    Why is it necessary to plot all fixed controls based on available records in the preparation of a map?

    <p>To ensure they are not affected by construction activities</p> Signup and view all the answers

    What should be shown on the project site map according to the text?

    <p>Estimated number of control points</p> Signup and view all the answers

    Who should be notified in writing before the conduct of the survey?

    <p>City or Municipal Mayor</p> Signup and view all the answers

    Where should the conduct of the survey start from?

    <p>Established PRS 92 control point</p> Signup and view all the answers

    Which office does NOT need to be notified before conducting the survey?

    <p>Local Fire Department</p> Signup and view all the answers

    What must the baseline length for the Primary Geodetic Network be in accordance with?

    <p>Nominal space as provided in DA0 2007-29</p> Signup and view all the answers

    Who should conduct the proposed leveling measurement activities if NAMRIA has no available data for the area?

    <p>National Mapping and Resource Information Authority (NAMRIA)</p> Signup and view all the answers

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