Assessment and upgrading of in-service parapets (formerly BA 37/92, IAN 97/07) Version 0.1.0
DMRB: Highway Structures and Bridges CS 461 Version 0.1.0
Document Status
Current
Supplement
Civil & Structural Supplement
Series
DMRB: Highway Structures and Bridges
Abstract
Details requirements for the assessment and upgrading of existing parapets on highway structures as well as for parapet and safety barrier supports on bridges and retaining walls, and the management of substandard parapets, connections and transitions.
History
Highway Structures and Bridges. Inspection and Assessment. Supersedes CS 461 Assessment and upgrading of in‐service parapets (formerly BA 37/92, IAN 97/07) (HE, 2020). Design manual for roads and bridges (DMRB). Version 0 dated Mar 2020 - replaces BA 37/92 and IAN 97/07. Version 0.1.0 dated January 2023 - changes made to core document: clarification of scope, introduction of area-wide prioritisation tool, alignment of risk outcomes, alert on possibly defective rails, various editorial and compliance corrections, ALARP assessment advice, branding updated.
Subjects
- Civil engineering, infrastructure and public utilities
- Transport facilities
- Bridges
- Bridge parapets/parapet anchors/cradle anchors
Publisher History
National Highways is a government company, with responsibility for operating, maintaining and improving motorways and major A roads in England. It works with the Department for Transport and was previously known as Highways England and Highways Agency.
Information
NBS
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
Accuris
We connect trusted knowledge to customers' workflows – mitigating risk, increasing efficiency and accelerating innovation For more than 60 years, leading R&D and engineering-intensive organizations have relied on us to achieve on-time, on-budget delivery of complex projects and new products. We deliver an unparalleled combination of technical content and Artificial Intelligence (AI) technologies to surface answers from the vast universe of technical knowledge, both inside and outside the organization. In a single interface, we connect the dots between information scattered across many different sources, allowing technical professionals to make better, more informed decisions faster.