DMRB: Pavement CD 236 Version 4.0.1 Surface course materials for construction (formerly CD 236 (rev. 3 inc. HD 36/06 and IAN 156/16), HD 37/99, HD 38/16, IAN 157/11, TA 81/16). Version 4.0.1

Publication Year

2020

Document Status

Withdrawn

Abstract

Details requirements for applying surface course materials to new and for maintenance of flexible and rigid pavements. Covers surface course material options and aggregate selection.

Document History

Superseded by CD 236 Surface course materials for construction (formerly CD 236 (rev. 3 inc. HD 36/06 and IAN 156/16), HD 37/99, HD 38/16, IAN 157/11, TA 81/16). Version 4.1.0 (NHW, 2022). Pavement. Design. Supersedes HD 36/06 (HA, 2006), IAN 156/16 (HE, 2016), HD 37/99 (HA, 1999), HD 38/16 (HE, 2016), IAN 157/11 (HA, 2011) and TA 81/16 (HE, 2016). Design manual for roads and bridges (DMRB). Revision 1 dated Nov 2018 - corrects a previously omitted line in table 3.2b. Revision 2 dated Feb 2019 - includes a limited number of technical modifications related to the selection of the polished stone value of aggregates. Corrects an error with the emboldening of the cells in Table 3.2a, row G1. Revision 3 dated April 2019 - with an update of the Scotland national application annex. Version 4 dated March 2020 - with additional requirements relating to coloured surfacing, central reserves and lay bys. Version 4.0.1 issued July 2021 - making changes to the core document and Wales NAA. Incremental change made to notes and editorial updates.

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