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  • RICS professional guidance, global

    Measured surveys of land, buildings and utilities3rd edition

    rics.org/guidance

    RICS guidance note

  • Measured surveys of land,buildings and utilitiesRICS guidance note, global

    3rd edition

    This guidance note is endorsed by

    Published by the Royal Institution of Chartered Surveyors (RICS)Parliament SquareLondonSW1P 3ADUKwww.rics.org

    No responsibility for loss or damage caused to any person acting orrefraining from action as a result of the material included in thispublication can be accepted by the authors or RICS.Produced by the Geomatics working group of the Royal Institution ofChartered Surveyors.First edition published as Specification for surveys of land, buildings andutility services at scales of 1:500 and larger, March 1986Second edition published as Surveys of land, buildings and utility servicesat scales of 1:500 and larger, February 1996

    ISBN 978 1 78321 064 0

    Royal Institution of Chartered Surveyors (RICS) November 2014.Copyright in all or part of this publication rests with RICS. No part of thiswork may be reproduced or used in any form or by any means includinggraphic, electronic, or mechanical, including photocopying, recording,taping or web distribution, without the written permission of RICS or inline with the rules of an existing licence.

    Typeset in Great Britain by Columns Design XML Ltd, Reading, Berks

    f

    rics.org

  • Contents

    RICS guidance notes ................................................ 1

    Preface ....................................................................... 3

    Measured survey specification introduction....... 5

    1 Project information ................................................ 61.1 Project designation........................................ 61.2 Purpose of project......................................... 61.3 Client/agent responsible for payment of

    works ............................................................. 61.4 Form of contract ........................................... 61.5 Survey location/extent of survey .................. 61.6 Project requirements summary ..................... 61.7 Survey schedule dates.................................. 61.8 Project contacts ............................................ 71.9 Site access principles ................................... 71.10 Site access requirements.............................. 71.11 Survey facilities ............................................. 81.12 Information to support project execution ..... 81.13 Competence of survey staff.......................... 81.14 Calibration and checking of equipment........ 81.15 Protection of property ................................... 81.16 Risk assessment and safety briefing ............ 81.17 Client identified project constraints .............. 91.18 Surveyor identified project constraints ......... 91.19 Obscured features......................................... 91.20 Action to reduce/remove obscured

    features.......................................................... 91.21 Access issues................................................ 91.22 Survey records retention ............................... 101.23 Survey records access.................................. 101.24 Cost for supply of records ............................ 10

    2 Survey accuracy, control, coordinate grid anddatum ...................................................................... 112.1 Survey accuracy............................................ 112.2 Survey accuracy banding.............................. 112.3 Survey accuracy band table ......................... 122.4 Survey coordinate reference system ............ 142.5 Connection of chosen survey grid to other

    coordinate reference systems....................... 142.6 Survey control network ................................. 152.7 Survey control network plan accuracy ......... 152.8 Survey control height accuracy .................... 162.9 Survey control outputs.................................. 16

    Measured surveys of land, buildings and utilities

    ii RICS guidance note, global Effective date 8 December 2014

  • 2.10 Survey control markers ................................. 172.11 Survey control marker locations ................... 172.12 Survey control marker types......................... 172.13 Survey control maintenance ......................... 182.14 Survey control point records......................... 18

    3 Topographic surveys.............................................. 193.1 Default accuracy band .................................. 193.2 Topographic survey outputs.......................... 193.3 Topographic features..................................... 20

    3.3.1 Permanent buildings/structures ........ 203.3.2 Temporary/mobile buildings .............. 203.3.3 Road, path, track features ................ 213.3.4 Visible boundary features walls,

    fences, hedges .................................. 213.3.5 Street furniture................................... 223.3.6 Statutory authorities plant and

    utility covers where visible ................ 223.3.7 Trees, wooded areas, limits of

    vegetation.......................................... 233.3.8 Pitches/recreation.............................. 233.3.9 Water features ................................... 243.3.10 Earth works ....................................... 253.3.11 Industrial sites (e.g. treatment

    works, oil refineries, etc.) .................. 253.3.12 Railway features ................................ 263.3.13 Other specialist requirements or

    environments not yet covered .......... 263.4 Digital terrain model/3D model definition ..... 26

    4 Measured building surveys ................................... 274.1 Default accuracy band .................................. 274.2 Measured building survey outputs................ 274.3 Measured building survey features............... 28

    4.3.1 Structure............................................ 284.3.2 Fitting out .......................................... 284.3.3 Heights/levels .................................... 284.3.4 Services ............................................. 294.3.5 Roofs (if requested in 4.2)................. 294.3.6 Internal roof spaces and ceiling

    voids .................................................. 294.3.7 External features ............................... 29

    4.4 Areas and dimensions................................... 304.5 Cross-section features .................................. 304.6 Elevations features ........................................ 304.7 Additional information/references ................. 30

    5 Underground utility surveys.................................. 315.1 How PAS 128 is structured........................... 315.2 Selection of survey type to be instructed..... 315.3 Instructing detection survey.......................... 32

    Effective date 8 December 2014 RICS guidance note, global iii

    rics.org

  • 5.4 Extent of survey required .............................. 325.5 Utility survey outputs .................................... 325.6 Presentation of survey information ............... 325.7 Additional information ................................... 32

    6 Setting out surveys ................................................ 336.1 Default accuracy band .................................. 336.2 Setting out outputs ....................................... 336.3 Setting out features....................................... 336.4 Setting out interval ........................................ 336.5 Setting out marking....................................... 34

    6.5.1 For points in hard surfaces(concrete, tarmac, etc.)...................... 34

    6.5.2 For points in soft surfaces (grass,earth, etc.) .......................................... 34

    7 Monitoring and deformation ................................. 357.1 Default accuracy band .................................. 357.2 Deformation monitoring outputs ................... 357.3 Survey type ................................................... 357.4 Features to be monitored.............................. 367.5 Monitoring frequency .................................... 367.6 Monitoring point monumentation.................. 36

    8 Deliverables ............................................................ 378.1 CAD deliverables........................................... 378.2 Digital terrain model (TIN) deliverables ......... 388.3 Format of digital terrain model (TIN) (grid).... 388.4 Point cloud deliverables................................ 398.5 Point cloud viewer deliverables .................... 398.6 GIS deliverables ............................................ 398.7 Report deliverables ....................................... 408.8 Imagery deliverables ..................................... 408.9 Video deliverables ......................................... 418.10 Spreadsheet deliverables.............................. 418.11 Textual data deliverables............................... 418.12 Supply of surveyor records/supporting

    data................................................................ 418.13 Hard copy deliverables ................................. 428.14 Method of delivery ........................................ 428.15 Notification/receipt of delivery ...................... 428.16 Validation of delivery ..................................... 428.17 Building information modelling (BIM)............ 42

    8.17.1 Basic survey 4 BIM specification...... 43

    AppendicesAppendix A: Permanent ground markers ................ 45

    Appendix B: Quick specifications ........................... 46

    Appendix C: Definitions ........................................... 48

    Appendix D: References and online resources ....... 50

    iv RICS guidance note, global Eff