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Temporary Works Update ( Last updated 7th April 2016 )

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  • Information Sheet 2 TW16.005 TWf Information Sheet No.2 - Temporary Works Training
    The Temporary Works Forum (TWf) have issued an information sheet for all in the industry to improve selection of courses. Initiated by Peter Pallett and Ray Filip, this long awaited document gives a short description of the type of courses available ( Risk management courses, Procedural courses and Technical courses. ) with an easy to read Course Selection Aid. The information sheet concludes with Frequently Asked Questions (FAQs)
    This five page document should be compulsory reading for training managers and HR departments, and is NOW, available as a free *.pdf file by clicking on TW16_005_TWf_Temporary_Works_Training.pdf

    The one page "Course Selection Aid" is reproduced with a hyperlink to a better quality on the Training page. The document will be available from the TWf web site in "TWf house-style"in late March.

  • Scaffold Specification Template
    The NASC have issued new guidance on managing and appointing scaffolding contractors. This 20 page free download from the nasc identifies the minimum requirements and standards for all scaffolding and edge protection.

  • MSc in Temporary Works
    City University, London, designated "Centre of Excellence" by the Temporary Works Forum have annouced the format and details of the very first MSc degree in Temporaery Works. Starting in Spetember 2016, the course is either ONE year full-time or TWO years if taken as part-time. It is a very exhaustive course, covering many subjects of temporary works.
    Click on the link below for EU and non-EU fees and further information:-

  • TWf Yearbook TWf Yearbook 2015
    The Temporary Works Forum Yearbook for 2015 is published as a Special Report in association with the New Civil Engineer. This first publication of a TWf Yearbook gives latest developments in temporary works, and includes the names and addresses of all current TWf members, plus news of the latest safety documentation. The foreword written by the TWf chairman, Bill Hewlett, is an important read. Of particular interest is the setting up, by TWf, of a "centre of excellence" at City University, London to promote temporary works and construction method engineering.

    ( Published by Emap Ltd as TWf Yearbook 2015, Special Report dated 26/11/15 issued with nce, 36 pages or order by contacting email to the nce.)

  • SG4:15 Preventing Falls in Scaffolding Operations
    SG4:15 The National Access & Scaffolding Confederation's extensive guidance was updated in November 2015. It is available as a *.pdf file from the nasc web site. The hard copy and the pocket sized version SG4:You will be available in early 2016. It defines the installation and use of the " Scaffolders Safe Zone". This 68 page guide gives clear guidance for both scaffolders and falsework erectors on how to prevent falls in the industry.

    Order Ref. SG4:15 ISBN 978-0-9934076-0-4 from NASC either by email to the NASC or telephone: +44 (0) 20 7822 7400 or fax +44 (0) 20 7822 7401

    The Concrete Society Technical Report No 52 (Second Edition) is now published. This revised edition introduces compares the various specifications currently in use - BS EN 13670, NCSC, NBS, CESWI, SHW and earlier BS8110. A very useful Table 2 summarises an approximate comparison. The updated report illustrates twenty four different sites, with three colour photographs from each site of a plain concrete finish. Details of how the finish was achieved, the specification used etc. together with the concrete mix details, type of form face etc., are all included. It includes the CONSTRUCT reference panels. At long last, the industry has authoritative guidance on the subject.

    (ORDER FROM: The Concrete Bookshop Ref. TR52, 48 pages, ISBN 978-1-904482-84-0 or order by email to the Concrete Bookshop.)

  • Construction (Design and Management) Regulations 2015

    The Health and Safetrty Executive legal guidance to the new regulations, Publication L153 is published, 90pp, ISBN 978 0 7176 6626 3. (It includes the full CDM Regulations 2015 ) Available either in hardback from HSE Books or as a free *.pdf document by clicking on L 153 Guidance.

  • CONSTRUCTION SKILLS, CDM 2015 - have also published SIX separate Industry Guidance notes for: clients, designers, principal designers, contractors, principal contractors and workers.(only available as free *.pdf documents.)

    Comment: References to Temporary Works Management and the use of BS5975 procedures are notedly absent. The TWC is only mentioned in guidance notes under the principal designer "to be positively encouraged" and then in an Annex of a RAG list - The TWC is not even mentioned for either principal contractors or contractors to adopt! It looks like being an interesting time ahead, especially as this guidance is no longer published as an ACoP!

  • Clients' guide to temporary works

    The Temporary Works Forum (TWf) have published an authoritative 40 page A4 guide for Clients, their representatives, programme managers and others on the design and coordination of temporary works; written at the request of a group of clients. These clients were aware of the risks and, in some cases, the lost opportunities to their enterprises that temporary works present, but felt disadvantaged because they had insufficient insight into the processes at work in temporary works management. The document Ref: TWf2014:02 is available as a free download either as *doc or *pdf file from the TWf by clicking on the link TWf2014:02

  • TWf Addendum to Stability of Reinforcement Cages.

    The Temporary Works Forum issued in October 2014 a one page addendum to Table 3 of document TWf2013:01 Stability of Reinforcement Cages Prior to Concreting.( Available as a free download from twforum.org.uk)

  • The Temporary Works Coordinator Training Course (TWCTC)

    The TWCTC two day course established by TWf and CITB, is now available to be presented by Eur. Ing. Peter Pallett with Co-ordinated Training Services Ltd, his Cskills ssp provider. Availasble as In-house or public courses, - see Public Courses.

    Peter Pallett and Ray Filip had to undergo extensive PTLLS Level 3 training, and then take and pass the CITB two day course and examination.

    Be aware that Cskills changed the scheme rules for this course on 7th September 2015. ALL tutors must be full members of either MICE or MIStructE - not safety professionals! The CTS course gives greater credence to Temporary Works and its co-ordination with the actual use of BS5975, rather than just risk management.

    After Peter's first course several delegates said "That was the most enjoyable, professionally presented course I"ve ever been on - the enthusiasm and knowledge of the speaker was infectious! "

  • BeamPal analysis program Version 2.0* * * NOW AVAILABLE * * *.

    An update to this popular simple and easy to use, beam analysis program developed first on Windows XP, but works in Windows Vista, Windows 7,
    Windows 8 and recently seen to load and work successfully on Windows 10. Manual Cover

    This updated version features improved screen handling, a much improved help facility with hyperlinks available as a *.pdf on the desktop AND on the web; but the most requested feature has now been introduced - BeamPal 2 will allow you to put YOUR logo on the printed output.

    For a flavour of the new web Help File click on the picture on the right.

    The facilities to "hold down" or allow "lift off" of beams at support(s). View on-screen displays of bending moment, deflection and/or shear force ; print them off onto A4 paper ; save ; point and drag supports and loads etc.. Click here to Order your Upgrade or Set-up disc for new installations.

  • CUBS Certificate Rules and Fees for Expert Witnesses

    On 1st April 2013 the Civil Procedures (Amendmemnt) 2013 Rules come into place. Known as the 'Jackson Reforms', these implement the most radical changes ever een to civil procedures, aimed at controling costs and metods of funding litigation. Each party now requires permission from the court to use an expert witness.

    In August 2014 the Criminal Justice Council issued revised guidance in connection with instructing Experts and litigants with regard to Part 35 of the Civil Procedure Rules.

    The change requires that ALL Experts must demonstrate to instructing solicitors that they both comply with, and have a full understanding of Part 35 of the CPR, Practice Direction 35. Eur. Ing. Peter Pallett is already trained as a holder of the CUBS (Cardiff University and Bond Solon ) Civil Procedure Rules Certificate and is underfoing training on the Jackson Reforms.

    For more information on Peter Pallett see accredited Expert Witness.

  • Accredited Expert Witness
    Eur. Ing. Peter Pallett is an accredited Expert Witness under the Civil Procedures Part 35 Rules having passed the examination and relevant training for Cardiff University Law School and Bond Solon.

  • BSI and CEN Documents
    Peter's update on information about relevant British and European Standards for Temporary Works is listed on a separate web page.
    Click to access.

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    General Updates - Temporary Works
    • Temporary Works - Principles of Design and Construction

      Temporary WorksThis book is the essential authoritative guidance for anyone involved in temporary works.

      Edited by Eur. Ing. Murray Grant and Eur. Ing Peter Pallett the wide ranging topics, forming 27 chapters have been written by 23 of arguably the most knowledgable engineers and practitioners in their field, writing on their own specialised subjects, including Management, Tower Crane Bases, Ground Water, Slope Stability, Site compounds, Sheet piling, Trenching, Cofferdams, Caissons, Temporary Bridging, Scaffolding, Falsework, Formwork, Slip Forms, Façade retention etc.

      The opening chapters on "Safety, statutory & contractural obligations" and "Management" should be made compulsory reading for anyone involved in temporary works!

      The 370 page book is available either in b/w hardback at £95 ( ISBN 978 0 7277 4177 6) or as an ebook in colour at £114 ( eISBN 978 0 7277 4199 8 ) from ICE Publishing or by clicking on 'Purchase this book' in this LINK to ICE virtual library.

    • TWf2012:01 Hoardings - a guide to good practice.
      Hoardings Guide The Temporary Works Forum have completed the long awaited design guidance for Hoardings of solid construction. The document is a free 46 page download and gives guidance on the design brief, on values of loadings ( including a minimum notional horizontal load. ), together with likely loading combinations for hoardings in the UK. Design information for permissible stress and limit state design options are included. A method of foundation design for post-in-hole is recommended. The appendices include the design considerations for wind to current EuroCodes, working structural properties for timber posts and rails, and the post planting depths for common hoardings. The document concludes with a complete and detailed worked example to explain the philosophy and method recommended.

      This is a must have document for temporary works designers. Download your copy either by clicking on TWf2012_01_Hoardings_good_practice.pdf or go to the TWf website at www.twforum.org.uk.

    • TWf2012:01 Stability of Reinforcement Cages Prior to Concreting

      The Temporary Works Forum published in October 2013 this 24 page illustrated guide to a very common but serious site issue - namely the structural stability of reinforcement cages in that time zone between steel fixing and subsequent erection of formwork. Following several reported accidents, this working paerty ably led by Paul Wilson of Kier Construction has been prepared to give guidance and specific assistance to those specifying, managing, designing and installing reinforcement cages.
      ( Available as a free download from twforum.org.uk)

    • Floor Slabs, lasers and levels
      This article by Alasdair Beal ought to be compulsory reading for anyone building or designing insitu suspended concrete slabs on metal decking or on precast planks. It discusses the significant effects of elastic deflection and the designer's specification. Options of constant thickness versus constant level and the effect on the deflections of the permanent formwork AND the permanent structure are highlighted.
      See CONCRETE magazine, September 2011, Volume 45, Issue 09, Pages 15 to 17 or CLICK here for link.

    • HSE Document - Management of Temporary Works
      The HSE published a twelve page document issued as a SIM (Sector Information Minute) in 2010 entitled The management of temporary works in the construction industry. It is in the public domain and can be reproduced free of charge but is Crown Copyright and can be viewed by clicking on the link above.

    • Management of Shoring in Excavations PART 1 - MANAGEMENT
      The Construction Plant-hire Association (CPA): have published in June 2013 the update to "Be Safe - Shore" booklet as Good Practice Guide for the Management of Shoring in Excavations. It is the first in a series of documents to be published by the Shoring Technology Interest Group of the CPA on shoring in excavations. This first part ( 24 pages) is on the management process.

      AVAILABLE AS FREE DOWNLOAD: Document STIG 13/01 from the CPA or tel: +44 (0) 20 7796 3366 or click on link to CPA Interest Group Publications.

    • CPA 1402 - Ground Conditions for Construction Plant.

      The Strategic Forum for Construction published in October 2014 a Good Practice Guide in the assessment, verification and specification of the ground for construction plant. Avoidance of failure of the ground on which construction plant stands is a significant temporary works issue. The guidance deals with ground bearing pressures and loadings from mobile plant, and assessment and engineering of the ground's capability to withstand the loadings. It addresses coordination of duties, with reference to CDM and to Temporary Works, and contains technical guidance presented in an accessible way.
      Available as a free *.pdf download by clicking on link in CPA 1402.

    • Temporary Works Forum (TWf)
      The Forum has been established with sponsors and a web site; and now meets regularly. The TWf aims to encourage open discussion of any matter related to Temporary Works. The group is open to anyone.

      The TWf primary objectives with respect to Temporary Works are to give authoritative guidance and when required professional leadership to the industry. Consider aspects of permanent works and relevant interfaces between permanent works and temporary works. Consider both current practice and likely development. Be aware of trends and innovations. Consider whether unacceptable risk exists or might arise in the future and, if believed so, to give warning to relevant bodies. Consider whether further research and development appears desirable.

      The TWf is hosted by the ICE with assistance of SCOSS and the IStructE. Visit the TWf website at www.twforum.org.uk.

    • National Structural Concrete Specification for Building Construction.
      NSCS 4th Edition The Fourth edition of this successful CONSTRUCT document was published in April 2010. Promoted by consultants and contractors alike, it has been extensively updated to include the BS EN 13670 Execution of Concrete Structures requirements.

      (ORDER HARD COPY FROM: The Concrete Bookshop Ref: CCIP-050, 126 pages, ISBN 978 1 904818 96 0(?) or order by email to the Concrete Bookshop.)
      (Also available as FREE NSCS_V4.pdf file direct from http://www.construct.org.uk/publications.asp )

    • C654 Tower Crane Stability
      Safety of tower cranes and the design of their foundations is an important temporary works operation. This new CIRIA 90 page book is intended to promote the safe design of foundations for, and use of, tower cranes through an improved understanding of temporary works design and health and safety issues. Order from the CIRIA bookshop C654: ISBN 0 86017 654 1

    • HSG150 Health and Safety in Construction
      The Health and Safey Executive issued in May 2006 a new edition of HSG 150 to take into account the recent changes in legislation (particularly the Work at Height Regulations 2005 ). ISBN 0 7176 6182 2.

      (ORDER: Telephone direct to HSE Books : +44 (0) 1787 881165 or from the web Bookfinder at http://books.hse.gov.uk quoting Reference HSG 150.)

    • FRICTION in Temporary Works
      First published in the June 2002 edition of CONCRETE magazine is the article summarising the UK research work on friction. The date is also introduced into BS 5975:2008.
      The friction resistance using “wet” timber and plywood has shown that the values previously published for DRY timber and plywood are acceptable lower bound values. Surprisingly, wet and saturated timber and plywood gave higher values than when dry - believed caused by the individual timber fibres compressing when wet and making a "rougher surface".

    • A Guide to the safe transportation of formwork and falsework equipment
      Apologies, I missed this one, published in 2005, this A4 booklet procured with help from suppliers and the HSE assesses industry practices and gives guidance on packing, handling and transporting temporary works equipment.

      (ORDER FROM: The Concrete Bookshop, 15 pages, ISBN 1 904482 23 6) or order by email to the Concrete Bookshop.

    • A Guide to the Safe Use of Formwork and Falsework
      Save Use Guide
      Published in May 2008, this full colour A4 booklet reviews the most commonly used types of formwork and falsework and gives guidance on their safe use. It focuses on the hazards of working at height and discusses systems that can both minimise and control the consequent risks.
      The guide will be of interest to many in the construction industry, setting out the criteria for safe systems of work with formwork and falsework, from client concept, delivery, storage, use, handling, and subsequent dismantling.

      (ORDER FROM: The Concrete Bookshop Ref: CSG/005, 54 pages, ISBN 978 1 904482 41 3) or order by email to the Concrete Bookshop.

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    • Formwork Guide Formwork - a guide to good practice.
      The Third Edition dated April 2012 is printed and in A4 size and in colour. Long awaited major update to the best selling Concrete Society publication. Major new sections on contractual requirements, the Law, proprietary formwork, new timber and plywood values, concrete pressure groups introduced, slip form and climbing formwork, plus new wind information for stability of forms.
      Detailed Worked Examples are available in a separate booklet, including walls, single faced forms and backpropping calculations.
      Some minor typographical errors have been observed - Click here to view a separate A4 page of the known errors which opens as a *.pdf file.

      (ORDER FROM: The Concrete Bookshop Ref: CS030, 299 pages, ISBN 978 1 904482 68 0) or click on link to Formwork Guide at the Concrete Bookshop.

    • Checklists CS123 - CHECKLIST for Erecting and Dismantling Falsework

      CS144 - CHECKLIST for Assembly, Use and Striking of Formwork
      These checklists, extensively updated and published in January 2014, by a Concrete Society working party, are produced for supervisors and are in a handy, pocket sized edition. Suitable for both building and civil engineering, they have quickly become important reference documents for the site team, and in particular for the supervisory staff.

      (ORDER FROM: Available only as a set of two (CS123 and CS 144) from The Concrete Bookshop Refs: CS123, 20 pages, ISBN 978 1 904482 79 6 and Ref CS144, 20 pages, ISBN 978 1 904482 80 2 by telephone or order by email to the Concrete Bookshop.)

      Published by the CONCRETE SOCIETY in June 2003 at £60.00. The Flat Slab Guide is prepared by a CONSTRUCT working party under chairmanship of Peter Pallett under an initial PiT proposal with The University of Birmingham. It introduces some very informative and innovative methods for striking flat slabs and, very importantly, introduces detailed guidance, with examples, on backpropping of multi-storey buildings based on BRE Report BR 394. The Excel spreadsheet included with the Guide will quickly become the essential tool for PWD's and TWC's in planning backpropping operations.

      (ORDER FROM: The Concrete Bookshop Ref: CS140, 144 pages, ISBN 0 946691 90 8 or order by email to the Concrete Bookshop.))

    • Visual Concrete Series
      The Concrete Society published in February 2013 a series of booklets in a new series called 'Visual Concrete' to replace the previous 'Appearance Matters' books.

      The two of most interest in temporary works will be Control of Blemishes, replacing Bill Monk's book, ( 26 pages Ref CS 172 with ISBN 978 1 904482 72 7 ). It gives lots of pictures of bad surfaces, with description, what it looks like, what the probable cause is, and, most importantly, what you can do about it! The second of interest is on Finishes ( 26 pages Ref CS 170 with ISBN 978 1 904482 74 17 ).

      ORDER FROM: The Concrete Bookshop or click on link to Concrete Bookshop.

    • Concrete Groups for formwork pressure
      Users of CIRIA report R108 need the relevant concrete group for determination of the pressure of concrete on formwork. Additional research has been carried out to advise CIRIA about the pressures for a range of superplasticised and self compacting concretes.
      Peter Pallett's article in CONCRETE magazine March 2009 (page 44 & 46) relates the new cement designations to the factors used in CIRIA 108.

      The working party currently updating CS030 Formwork - a guide to good practice have recommended that to avoid confusion in future, the industry classifies pressure determinations into three groups, as opposed to the seven groups currently used. These will be:-
      Group A - Basic Concrete ( Formerly Groups 1 & 2 )
      Group B - Retarded Concrete ( Formerly Groups 3, 4 & 5 )
      Group C - Heavily Retarded Concrete ( Formerly Groups 6 & 7 )
      Click here for a *.pdf table of the Concrete Groupings

    • CS 162: Slipforming of vertical structures
      Published in June 2008, this is "Good Concrete Guide 6 " and gives detailed guidance on modern slipforming techniques. It has sections on management, equipment, applications, economics and accuracy.
      The guide will be of interest to many in the construction industry, from clients, to contractors and suppliers.

      (ORDER FROM: The Concrete Bookshop Ref:CS 162, 32 pages, ISBN 978 1 904482 44 4) or order by email to the Concrete Bookshop.

    • BR495 - Formwork for modern, efficient concrete construction
      The Building Research Establishment have just published a 24 page summary guidance booklet on the latest techniques available for forming concrete buildings. Covering frame buildings, tables forms, columns, panel systems, jump forms and slip forms, this well illustrated booklet gives gidanmce on the process efficiancy, safety and sustainability features of various systems.

      (ORDER: Telephone direct to IHS BRE Press : +44 (0) 1923 664000 or from the web at www.brepress.com quoting Reference BR 495 or ISBN 978-1-86081-975-9 )

    • HyRib Guide 3rd EditionDesigners's Guide to use of Expamet Hy-Rib
      Hy-Rib is now even more important in construction, by eliminating the need for scabbling joints, hence reducing "white finger". The third edition is now available as a direct *.pdf download ( 1.65 Mb ) from this site by clicking on
      "Hy-Rib Guide 3rd Edition ".
      It includes the updated properties of one type of Hy-Rib and also it's use with Self Compacting Concrete on a 400mm stop end. Surprisingly, the concrete did not flow through! For Hy-Rib technical information either email Expamet or view their web site www.hy-rib.com

    • ACI Formwork for concrete
      The American Concrete Institute re-published in September 2005 the 7th Edition of their publication on Formwork. Edited by M.K. Hurd, it includes new material on single sided walls and new pressure formulae with coefficients for different types of concrete used in America. (Order Ref: SP47TH ).

      The joint Concrete Society / CIRIA working party document is published. Under the authorship of Bob Wrigley, this very informative 174 page report gives authoritative guidance on the use of Permanent Formwork in both building and civil engineering. It should be a "must" for all PWD's and users of this type of formwork.

      Available from CIRIA as Report C558 ISBN 0 86017 558 8. (£90 Non-members)

      The joint CIRIA/Concrete Society 102 page authoritative guidance report written by Eur Ing Bill Price was published in July 2000. Contact CIRIA direct for your copies. ISBN 0 86017 511 1

      Published in April 2000 this guide is on early age strength assessment. It is important to those wishing to strike slabs early in fast track construction. It advocates the use of the LOK test on four readings to obtain a result based on the correlation curves to give a insitu strength assessment.

      (ORDER FROM: The Concrete Bookshop Ref. BCA 97.503 4 pages, ISBN 0 7210 1554 9 or order by email to the Concrete Bookshop.)

    • Self-compacting Concrete
      The Concrete Society Technical Review TR62 was published in June 2005. It provides a basic understanding of applications, properties, design and practical considerations of use of SCC. Written in response to industry requests. Concrete pressure covered in two paragraphs, recommending, in absence of any data, use full hydrostatic head. ORDER FROM: The Concrete Bookshop Ref: CCIP-001, 80 pages, ISBN 0 904482 19 8 or order by email to the Concrete Bookshop.

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    • Checklists CS123 - CHECKLIST for Erecting and Dismantling Falsework

      CS144 - CHECKLIST for Assembly, Use and Striking of Formwork
      These checklists, extensively updated and published in January 2014, by a Concrete Society working party, are produced for supervisors and are in a handy, pocket sized edition. Suitable for both building and civil engineering, they have quickly become important reference documents for the site team, and in particular for the supervisory staff.

      (ORDER FROM: Available only as a set of two (CS123 and CS 144) from The Concrete Bookshop Refs: CS123, 20 pages, ISBN 978 1 904482 79 6 and Ref CS144, 20 pages, ISBN 978 1 904482 80 2 by telephone or order by email to the Concrete Bookshop.)

    • DVD Safe Erection and Dismantling of Soffit Support Systems
      DVD coverThis 17 minute DVD by the Concrete Structures Group (CONSTRUCT) is an excellent aid for training on the safety aspects of the use of both proprietary Panel & Prop and aluminium table systems used in soffit support in building construction. Published in August 2009 it is up-to-date with UK safety requirements.

      Order Soffit Support DVD ( £5 ) from CONSTRUCT either by email to CONSTRUCT or Telephone: +44 (0) 1276 38444 or fax +44 (0) 1276 38899, or by following the links from www.construct.org.uk and click on publications.

      Published in March 2001 this four page guide is a simple introduction to Guide to Flat Slab Formwork and Falsework published in June 2003. It is of importance to those wishing to understand backpropping and early striking of slabs.

      (ORDER FROM: The Concrete Bookshop Ref. BCA 97.505 4 pages, ISBN 0 7210 1556 5 or order by email to the Concrete Bookshop.)

    • C579 and C589 Masonry façade retention - best practice guide and site handbook
      Published in September 2003 by CIRIA, these major new references for all those involved in façade retentions include detailed design information and practical guidance. The CIRIA committee, under the chairmanship of David Thomas (HSE), must be congratulated for bringing together the differing design approaches previously used in the industry into one unified design approach. An on-site best practice handbook ( C589 ) in convenient A5 size is also available.

      C579 is ISBN 0 86017 5789 0 and C589 (A5 handbook) is ISBN 086017 589 8
      (Available direct from CIRIA Publications (Tel: +44 (0) 20 7549 3300) or email to CIRIA or from the web at www.ciria.org.uk quoting C579 or C589.)

      The HSE 200 page report is available as Contract Research Report CRR 394/2001 from HSE Books as ISBN 0 7176 2232 0. It is also available for download from www.hse.gov.uk/research/crr_htm/2001/crr01394.htm (2.5 Mb).

      The work was carried out by the University of Birmingham, led by Eur. Ing. Peter Pallett with help from Dr. M. Burrow, Professor L. Clark and Mr Ray Ward. The research investigated both the aspects of stability of falsework and measured eleven sites for accuracy of erection. The changes in management of falsework, together with more reliance on suppliers' designs has led to different criteria and checking regimes.

        There does not appear to have been an overall improvement in verticality of erection over the last 12 years.
        At all levels there is a lack of understanding of the fundamentals of stability of falsework and the basic principles involved.

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    Scaffolding and Towers
    • HSE - Scaffold Checklist

      The Health and Safety Executive have recently updated (December 2014) their guidance to clarify when a scaffold design is required and what level of training and competence is needed following publication of the NASC TG20:13. The six pages are available to print from the HSE web site at www.hse.gov.uk/construction/safetytopics/scaffoldinginfo.htm

    • TG20:13 Operational Guide and Design Guide
      TG20'sTG20&058;13 was first published in February 2014 as two volumes. An Operational Guide with supportive eGuide CDROM disk, and a separate Design Guide.

      The safe height tables are removed, and replaced with Compliance Sheets obtained using the eGuide disc. A different method of wind load evaluation is now used.

      In addition to tube and fitting transoms, the eGuide permits the use of TG20 Compliant Structural Transom Units, but it is the user's responsibility to ensure that the transom units used ACTUALLY comply - it is known that some do NOT!
      The TG20:13 also allows use of the thinner high yield S355 steel scaffold tube under controlled conditions.

      Available at £1,204 FROM: The NASC, 4th Floor, 12 Bridewell Place, London, EC4 6AP Tel: +44 (0) 20 7822 7400 or at web: www.nasc.org.uk Ref: TG20:13

    • TG20:13 Update

      The NASC updated TG20:13 with Supplement 1 ( 4 pages) on 22nd September 2014 to accompany the eGuide software update entitled version 1.1. Existing licenced single computer users of the eGuide can download the update for free. For information on standalone PC's contact the NASC.
      The main features of the update are introducing a compliant 3.2mm wall cold formed steel tubes, compliance sheet sign off section says diagrams are indicative, compliance sheets for sheeted scaffolds with transom units, new compliance sheets for scaffolds below 6m (i.e. housebuilding NOW addressed! ) and clarification for tie spacing for scaffolds with bay lengths less than 2m.

    • TG20:12 - Supplement No. 1 - Wind and Safe Height Tables
      TG20_Supp 1Updated in January 2012 this revision of the scaffold SAFE HEIGHT TABLES is only available as a free pdf download. It includes the update to the UK wind map introduced in March 2011. It uses the simplified wind method with S wind method and the updated FOUR safe height tables. The Appendix H for tying to permeable open structures is included in this supplement.
      It is available by clicking on TG20_12_Supplement_1.

      NOTE : Although the NASC have announced the withdrawal of TG20:08 on 30th June 2014, it is assumed that TG20:12 still applies.

    • Scaffold Specification Template
      The NASC and the UK Contractors Group have published a 16 page management guide to "Managing and Appointing Scaffolding Contractors". This is a very authoritative and comprehensive guide, and includes examples of relevant CISRS scaffolders cards.
      Issued 22nd March 2012 contact NASC or UKCG for copies.

    • TG9:12 Guide to the design and construction of temporary roofs and buildings
      This guidance by the National Access & Scaffolding Confederation, was republished in January 2012, and is the essential authoritative guidance to the safe erection and design of temporary buildings.
      It uses the information on wind loads for the UK using the NA to BS EN 1991-1-4:2005+A1:2010 (from January 2011) TG9:12 is only available to NASC members as a pdf download from www.nasc.org.uk.

      (NOTE The only change is the revised wind map which is published as Figure 4 in BS 5975:2008+A1:2011. )

    • TG4:11 Anchorage Systems for Scaffolding
      Published in August 2011 by the NASC in conjunction with the Construction Fixings Association, this 20 page guide gives detailed information on types of fixings, selection, safe loads, plus recommended testing methods and regimes. It is to be read with TG20:08

      (Order Ref. TG04:11 from NASC either by email nasc.org.uk or Telephone: +44 (0) 20 7822 7400 or fax +44 (0) 20 7822 7401)

    • SG4:You User Guide to SG4:10
      SG4:YouThis pocket sized 84 page booklet by the National Access & Scaffolding Confederation gives practical guidance to all site staff for preventing falls from scaffolding. Easily read with many detailed illustrations - this booklet is an essential item for site inductions. Published in January 2011 with a foreward by the HSE, it complements the "Safe system of work" introduced in SG4:10.

      Order Ref SG4:You ISBN 978-0-9549515-6-6 (0nly £5) from NASC either by email to the NASC or Telephone: +44 (0) 20 7822 7400 or fax +44 (0) 20 7822 7401

    • SG25:10 Access and Egress from Scaffolds
      Safe access and egress is a major consideration from the Work at Height Regulations 2005, and this guidance, in consultation with the HSE, highlights the safe use of staircases and ladders for access and egress to/from scaffolds.
      Order Ref TG9:10 from NASC either by email to the NASC or Telephone: +44 (0) 20 7822 7400 or fax +44 (0) 20 7822 7401

    • PASMA Prefabricated Access Suppliers' & Manufacturers' Association.
      PASMA Code The Operator's Code of Practice for prefabricated access towers manufactured in aluminium alloy or fibreglass, 12th revision was published in December 2005. This edition brings the code in line with BS EN 1004:2004. Although costing only £5.00 this A5 colour booklet represents excellent value. Available from PASMA member companies only.

      (Further infomation contact PASMA on telephone +44 (0) 845 230 4041 or fax +44 (0) 845 230 4042 )

    • CE 509 A Guide to Practical Scaffolding
      This booklet used by many scaffolders has been updated in July 2005 to include the recomendations from BS EN 12811-1 and has introduced the tie spacings stated TG20:05. It is now 146 pages. ISBN 0 902029 91 6. Order direct from CITB Publications.

      The CITB booklets on Construction Site Safety for Scaffolding were updated AGAIN in January 2007 in Volume 1 as Ref: GE 700/ C5 for Tube and Fitting Scaffolds and Ref: GE 700 / C4 for System Scaffolds and Mobile Towers. It is noted that they have now included the recomendations from BS EN 12811-1 and introduced the tie spacings stated in TG20:05.

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