Rigid and modular roads (S7) Modular roads (S7.8)
S7.8.1 Types 0, 1 and 2 modular roads are not included in this Code and reinstatement designs must be in accordance with BS 7533-3 and BS 6717.
S7.8.2 The undertaker must carry out the reinstatement of Types 3 and 4 modular roads in accordance with one of the following methods and should endeavour to achieve greatest degree of immediate permanent reinstatement.
S7.8.3 Permitted materials and layer thickness are specified in
A1, A2, A6, A9, A10 and A12, subject to the following requirements.
S7.8.4 Where modules of natural stone material are present in trafficked roads, refer to
A12. Method A – All permanent reinstatement
S7.8.5 The backfill, sub-base (if present), bedding and modular surface layer must be reinstated to a permanent standard at the first visit.
Method B – Permanent sub-base reinstatement
S7.8.6 The backfill and sub-base must be reinstated to a permanent standard at the first visit, together with an interim granular base and interim bituminous surface course, as per
S6.1.12 to S6.1.14.
S7.8.7 On the second visit, the interim reinstatement must be removed to the top of the sub-base and a permanent base, bedding and modular surface layer reinstated.
S7.8.8 Permitted options are shown in
A6, subject to the requirements of S6.2.
S7.8.9 The sub-base must be reinstated to match the existing materials and thicknesses, or its structural equivalent.
S7.8.10 Permitted options are shown in
A6, subject to the requirements of S6.3.
S7.8.11 The base must be reinstated to match the existing materials and thicknesses, or its structural equivalent.
S7.8.12 The modular surface layer must be reinstated in accordance with
A6, and A12, The requirements and recommendations for replacement modules are given in A12. Alternative reinstatement materials
S7.8.13 ARMs may be used in modular roads in accordance with