SCI P343: Insulated Render Systems Used With Light Steel Framing

This publication provides design guidance on the use of insulated render cladding systems as applied to light steel framing. Good practice recommendations and advice are given on choosing details appropriate to the degree of exposure to wind-driven rain. A performance scoring system is presented and the minimum requirements are based on the BRE exposure classifications of: sheltered, moderate, severe and very severe exposures. Details are given which provide ‘back-up’ or robust long term performance in the event of any water ingress or condensation behind the render layer. It is suggested that for ‘sheltered’ or ‘moderate’ exposure, a cavity behind the insulated layer is not required, but a double barrier or cavity or other back-up system is generally required for severe and very severe exposure conditions. Experience from the UK is presented to justify this approach.

GUIDANCE FOR THE DESIGN OF METAL ROOFING AND CLADDING TO COMPLY WITH APPROVED DOCUMENT L2 : 2001

This publication has been produced by the Metal Cladding and Roofing Manufacturers Association (MCRMA) in collaboration with BRE, to assist the designers, manufacturers and installers of metal walls and roofs to comply with the requirements of
Approved Document L2 of the Building Regulations, published in October 2001 to come into force in April 2002. It describes the content of those parts of the Approved Document relevant to metal cladding and roofing systems and gives guidance as to:
- The calculation of U-values;
- Allowing for thermal bridging at junctions and openings;
- Infra-red surveys;
- Air leakage testing;
The guidance is designed to be relevant to both twin skin and composite panel systems.

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Structural Dynamics, Volume 3 - Tom Proulx

The Fire Book

SCI P335: H-Pile Design Guide

This publication gives guidance on the selection, design and installation of steel H-piles and UC section plunge columns for foundations to all types of structure. Current practice and experience in this field are presented, discussed and recommendations given. The characteristics and advantages of steel bearing piles in construction are described in order to assist in the primary process of selection of the correct pile type for any given site and soil conditions. Load transfer mechanisms are described and limit state design methods applied in line with the new Eurocodes. The sections on design include axial and lateral load resistance prediction methods, combined loading effects on retaining walls and pile group analysis. Up-to-date pile driving analysis is presented as a basis for planning efficient installation and as an aid to design. Practical aspects of test loading, installation tolerances and connection details are covered.
It is noted that excessive conservatism has been found in current practice and this results in unnecessary overdesign. Currently used specifications for load testing piles only up to 1.5 × working load, are insufficient to reach the ultimate pile resistance and the whole object of the new limit state design (LSD) procedures has been denied. This problem has been compounded by making unrealistically low design assumptions on the soil parameters in pile resistance prediction methods. This publication adopts LSD using the new Eurocodes and suggests more reliance be placed on static and dynamic load test methods to establish ultimate capacity to permit more economic steel pile design.