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Span tables for solid timber members in floors, ceilings and roofs (excluding trussed rafter roofs) for dwellings (2005 reprint with amendments) (includes 2007 amendment) (No longer current but cited in Building Regulations)

Series/doc. No Design Aid 1/2004
Year 2004
Abstract Solely deals with the loadbearing capacity of the solid timber members. The tables in this publication have, until now, been included in the England and Wales Building Regulations, Approved Document A: Structure. The most recent version of Approved Document A, however, no longer contains these tables, instead referring to the this TRADA Technology document.
History Reprint ISBN 1900510464 2005. Superseded by Span tables for solid timber members in floors, ceilings and roofs for dwellings. 2nd edition, 2008.
ISBN 9781900510424
Subject(s) Building structure
Floors/balconies/stairs
Roofs
Coverings and surface finishes
Lining/dry partitioning
Plasterboard dry lining/partitions/ceilings
Supplement Core. To subscribe to The Construction Information Service please telephone Customer Care on +44 1344 328300
Keyword(s)
pitched roofs ; structural timber ; floor joists ; wall plate
Publisher TRADA Technology
Publisher History Formerly known as the Timber Research and Development Association, TRADA Technology provide quality information on timber and wood products. Their publications include Wood Information Sheets, Eurocode 5 Guidance, Construction Briefings, Design Aids and the Red Booklet - Timbers of the World.
Table Of Contents
Preface 5
TRADA 6
TRADA Technology 6
1.0 Introduction 7
2.0 Timber specifications 9
2.1 Timber availability 10
3.0 Design considerations 11
3.1 Loading 11
3.2 Construction and basic workmanship recommendations 12
4.0 Tables of sizes of timber members 13
4.1 Floor joists 15
4.2 Ceiling joists and binders supporting ceiling joists 19
4.3 Rafters and purlins supporting rafters 23
4.4 Flat roof joists 37
4.5 Purlins supporting sheeting or cladding 43
5.0 References 46
Appendix 1
Explanatory notes: FAQs 47


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