Policy and Procedures Guides
DfI Roads policies, procedures and documents relating to the standards, construction, design, and approval of structures on the roads network
- DfI Roads design standards RSPPG E003
- Design departures from standard RSPPG E006
- Design relaxations of standard RSPPG E007
- Geotechnical certification procedure RSPPG E008
- Assessment and design of masonry parapets RSPPG E020
- The supplementary load testing of bridges RSPPG E046
- Technical approval of low risk highway structures RSPPG E077
Director of Engineering Memorandums
DfI Roads memorandums relating to the standards, construction, design, and approval of structures on the roads network
- Post-tensioned grouted duct concrete bridges DEM 005 99
- Technical approval of highway structures (BD2/02) DEM 040 02
- The use of gabions in road construction DEM 044 02
- Implementation of new reinforcement standards DEM 095 06
- Principal and general inspection of sign/signal gantries and gantries with low handrails or open mesh flooring DEM 102 06
- Substandard parapet connections DEM 106 07
- The use of BS8500 (2006) for reinforced concrete structures DEM 107 07
- The anchorage of reinforcement and fixings in hardened concrete DEM 112 08
- Matrix signs on gantries DEM 115 08
- Deflection of permanent formwork DEM 126 10
- The use of foamed concrete DEM 133 11
- Use of eurocodes for the design of highway structures DEM 134 11
- Precast concrete copings - inspection DEM 139 12
- Modular/multi-element expansion joints DEM 145 13
- Scheme design approval procedures for non-trunk roads DEM 162/16