Current
Core Supplement
Technical Bulletin
Provides information relating to BS 5911-3:2010 +A1:2014 covering the inclusion of rectangular sizes up to LN1250, specification for precast base units, test loads for cover slabs and maximum installation depth calculation method for rectangular manholes.
Replaces Technical Bulletin 4 BS 5911 Part 3: 2014 - Important changes (CPSA, 2014). Information published by CPSA will be rebranded to BPDA in due course.
BPDA is formed from the integration of the Concrete Pipeline Systems Association (CPSA) and the Box Culvert Association (BCA). Provides information and advice on concrete pipes, manholes, box culverts, and other precast concrete drainage systems, including sustainable drainage systems (SuDS). BPDA was formed in 2017 and is a product group of the British Precast Concrete Federation Limited.
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.
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.