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  • Guidance for Measuring and

    Pricing of Earthworks

    CC-GMP-00600

    October 2016

  • TRANSPORT INFRASTRUCTURE IRELAND (TII) PUBLICATIONS

    About TII

    Transport Infrastructure Ireland (TII) is responsible for managing and improving the country’s national road and light rail networks.

    About TII Publications

    TII maintains an online suite of technical publications, which is managed through the TII Publications website. The contents of TII Publications is clearly split into ‘Standards’ and ‘Technical’ documentation. All documentation for implementation on TII schemes is collectively referred to as TII Publications (Standards), and all other documentation within the system is collectively referred to as TII Publications (Technical).

    Document Attributes

    Each document within TII Publications has a range of attributes associated with it, which allows for efficient access and retrieval of the document from the website. These attributes are also contained on the inside cover of each current document, for reference.

    TII Publication Title Guidance for Measuring and Pricing of Earthworks

    TII Publication Number CC-GMP-00600

    Activity Construction &

    Commissioning (CC)

    Document Set Standards

    Stream Guidance for Measuring &

    Pricing (GMP)

    Publication Date October 2016

    Document

    Number 00600

    Historical

    Reference

    Series MMNG

    600

    TII Publications Website

    This document is part of the TII publications system all of which is available free of charge at http://www.tiipublications.ie. For more information on the TII Publications system or to access further TII Publications documentation, please refer to the TII Publications website.

    TII Authorisation and Contact Details

    This document has been authorised by the Director of Professional Services, Transport Infrastructure Ireland. For any further guidance on the TII Publications system, please contact the following:

    Contact: Standards and Research Section, Transport Infrastructure Ireland

    Postal Address: Parkgate Business Centre, Parkgate Street, Dublin 8, D08 DK10

    Telephone: +353 1 646 3600

    Email: [email protected]

    http://www.tiipublications.ie/ mailto:[email protected]

  • TRANSPORT INFRASTRUCTURE IRELAND (TII) PUBLICATIONS

    Updates to TII Publications resulting in changes to

    Guidance for Measuring and Pricing of Earthworks CC-GMP-00600

    Date: April 2017

    Page No: 15

    Section No: 14

    Amendment Details:

    Feature numbers for Stated Class of Imported Material corrected in line with CC-RMP-00600.

  • TRANSPORT INFRASTRUCTURE IRELAND (TII) PUBLICATIONS

    Page i

    TII Publications

    Activity: Construction & Commissioning (CC)

    Stream: Guidance for Measuring & Pricing (GMP)

    TII Publication Title: Guidance for Measuring and Pricing of Earthworks

    TII Publication Number: CC-GMP-00600

    Publication Date: October 2016

    Set: Standards

    Contents

    1. General ......................................................................................................................... 1

    2. Processing Materials .................................................................................................. 2

    3. Compaction and Deposition of Fill ............................................................................ 3

    4. Geological Terms ........................................................................................................ 4

    5. Alternative Types of Pavement .................................................................................. 5

    6. Capping ........................................................................................................................ 6

    7. Hard Material ............................................................................................................... 7

    8. Crib Walling, Reinforced Earth Structures and Anchored Earth Structures .......... 9

    9. Typical Earthworks Schedules ................................................................................ 10

    10. Ground Water Lowering ........................................................................................... 11

    11. Trial Pits ..................................................................................................................... 12

    12. Perforation of Redundant Slabs, Basements and the Like .................................... 13

    13. Geotextiles ................................................................................................................. 14

    14. Stated Class of Imported Material............................................................................ 15

    15. Imported Topsoil and Topsoiling ............................................................................. 16

    16. Processing of Unacceptable Material Class U1 ...................................................... 17

    17. Soil Improvement ...................................................................................................... 18

    18. References ................................................................................................................. 21

  • TII Publications CC-GMP-00600 Guidance for Measuring and Pricing of Earthworks October 2016

    Page 1

    1. General

    The Engineer should retain the obligations for the classification, sampling and testing of earthworks materials. Where, following consultation with TII, the Engineer decides that the Contractor should have the obligations in respect of classification of earthworks materials then these obligations include sampling and testing in accordance with the directions given in the Contract. The Contractor has overall responsibility to provide acceptable earthworks materials as defined in the Contract both when classification and determination of acceptability is done by the Engineer and when it is done by the Contractor.

    If the Contractor opts to process unacceptable material to render it acceptable for use in the Works (as opposed to when the Engineer has specified that this should take place) then measurement shall be as though the unacceptable material had been disposed of and acceptable material of the class rendered acceptable, imported. If the Contract requires that unacceptable material is processed to render it acceptable then that material is measured as treatment of unacceptable material Class Ul and then considered to be acceptable material arising from the Site.

  • TII Publications CC-GMP-00600 Guidance for Measuring and Pricing of Earthworks October 2016

    Page 2

    2. Processing Materials

    When the Engineer decides to assess and designate material within the excavation which can be processed into acceptable material for general fill or selected fill, he should state the class or classes of acceptable material with which the processed material must comply.

    The class of the processed material should be specified and the location of its excavation should be shown on the Drawings and referenced.

    The sequence of measurement items is as follows:

    i. Excavation of unacceptable material Class Ul (in cutting etc.)

    ii. Extra over excavation for excavation in Hard Material in cutting and other excavations

    iii. Processing of unacceptable material Class Ul to acceptable material stated class or classes

    iv. Deposition of acceptable material (in embankments etc.)

    v. Compaction of acceptable material (in embankments etc.)

    The earthworks schedules may require additional items under the fill sections depending on Specification and deposition requirements.

  • TII Publications CC-GMP-00600 Guidance for Measuring and Pricing of Earthworks October 2016

    Page 3

    3. Compaction and Deposition of Fill

    The volume of material measured in Compaction of Fill should include the quantities measured in Imported Fill and Deposition of Fill.

    The quantity of material measured in Deposition of Fill should relate only to the acceptable material arising from the Site including material so arising as unacceptable but required to be processed to become acceptable and not that measured in Imported Fill.

  • TII Publications CC-GMP-00600 Guidance for Measuring and Pricing of Earthworks October 2016

    Page 4

    4. Geological Terms

    Excavated material which comes within the definition of acceptable material should be billed as stated in the RMP/LSID and not described by a geological term or common name, e.g. chalk.

  • TII Publications CC-GMP-00600 Guidance for Measuring and Pricing of Earthworks October 2016

    Page 5

    5. Alternative Types of Pavement

    Where the Contract provides for alternative Types of Pavement a separate Earthworks Bill of Quantities is required to correspond with each alternative Type of Pavement. The tenderer is required to price and extend the Earthworks Bill which applies to each Type of Pavement.

  • TII Publications CC-GMP-00600 Guidance for Measuring and Pricing of Earthworks October 2016

    Page 6

    6. Capping

    The material required and detailed in the Contract for use as capping may be

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