Heightsayfe Ltd

Gravity is no respecter of persons ..


David Thomas has authored a number of publications, or been part of industry working groups preparing guidance and advice:


Issues surrounding the failure of an energy absorbing lanyard
Specialist Inspector Report 59 (2001), SIR59, Health and Safety Executive

Selecting, using and maintaining personal fall protection equipment
‘Height Aware’ Campaign, May 2006, Information Sheet No. 4

Inspecting fall arrest equipment made from webbing or rope
INDG367, Health and Safety Executive (2002)

Inspection of fall arrest equipment made from webbing or rope
HSE Operational Circular OC282/30 (supersedes OC 282/29)
See: Press Releases: E055:02 (21 March 2002) and E186:02 (2 October 2002)

Safe erection, use and dismantling of falsework
HSE Construction Information Sheet No. 56, CIS56
See: Press Release, E123:03 (11 July 2003)

Rope evacuation from mechanical handling equipment
HSE Operational Circular, OC282/31 (also an LA Circular)

Working group member

Advisory Committee on LOLER in Ropework (ACOLAR):
Chairman, 2006 to 2007

LOLER: How they apply to rope-based access systems for work at height

Advisory Committee on Work at Height Training (ACWAHT):
Member (2005 to 2007), Chairman (2006 to 2007)

Awareness Syllabus, Basic knowledge for those who work at height
Document commenced under the Chairmanship of Mr. ME Holden, HSE (Retired)

Advisory Committee for Roofwork (ACR):
Chairman, 2000 to 2001

ACR(M)001:2001, Test for fragility of roofing assemblies – The red book
Member of task group, Material standard (1999 to 2000)

ACR(CP)001:2003, Recommended practice for work on profiled sheeted roofs – The orange book
Member of task group, Best practice guide (2000 to 2001)

ACR Information Sheet No. 1, Selecting a competent roofing contractor
Editor of task group (2005)

ACR(CP)006:2007, Edge protection for roofwork – The purple book
Task group member (2005 to 2006)

ACR(CP)006, The use of horizontal safety lines in roofwork - The magenta book
Chairman of working group (2005 to 2007)

British Constructional Steelwork Association (BCSA):

Metal deck health and safety guides (Link)

Management of site lifting operations (Link)

British Standards Institution (BSI):

BS 7985: 2002, Code of practice for the use of rope access methods for industrial purposes

BS 8437: 2005, Code of practice for the selection, use and maintenance of personal fall protection systems and equipment for use in the workplace
Initiator (and Project group convener, 2001 to 2005)

BS 8454: 2006, Code of practice for the delivery of training and education for work at height

Concrete Society Construction Group:

Checklist for the safe erection and dismantling of falsework
Concrete Society, CS123 (1999), 24pp, ISBN 0-946691-72-X

Checklist for the assembly, use and striking of formwork
Concrete Society, CS144 (2002), 28pp, ISBN 0-946691-99-1

Guide to flat slab formwork and falsework
CONSTRUCT, Concrete Society Publication CS140 (2003), 144pp, ISBN 0-946691-90-8

Construction Information Research and Information Association (CIRIA):

Permanent formwork in construction, Report C558
Project Group Member

Facade retention - Best practice guide, Report RP626
Chairman, Industry Steering Group, 2000 to 2002

Construction Plant-hire Association - Tower Crane Interest Group:

Tower Crane Technical Information Note, TIN 013
Rescue of personnel from height on tower cranes, Issue G, 30th April 2013 (Link)

G9 Offshore Wind Health and Safety Association:

Offshore Wind Work at Height Guidance
Written for the G9 Work at Height Focal Group
Working in partnership: SgurrEnergy (Lead author) and heightec (Technical review)
Consultation April/May 2014 (Link)

Health and Safety Executive (HSE):

Construction (Design and Management) Regulations
Revised Approved Code of Practice (ACoP), HSG224
Member of drafting Group

Industrial Rope Access Trade Association (IRATA):

Guidelines on the use of rope access methods for industrial purpose
IRATA, ISBN 0-9523227-3-0

LOLER Information Sheet No. 1, The Lifting Operations and Lifting Equipment Regulations 1998 (LOLER), How they apply to IRATA Members
IRATA, ISBN 0-9523227-9-X
Originating Author

Institution of Structural Engineers (IStructE):

The operation and maintenance of bridge access gantries and runways
Second edition (the ‘Purple book’), ISBN 978-1-906335-00-7
Task group member, 2005 to 2007

Risk in structural engineering
First published 2013, Institution of Structural Engineers, ISBN 978-1-906336-08-3
Task group member, 2005 to 2013

National Access and Scaffolding Confederation (NASC):

Guide to good practice for scaffolding with tube and fittings (TG20:05)

Strategic Forum:

Best practice guidance for MEWPs - Avoiding trapping/crushing injuries to people in the platform (Link)

Temporary Works Forum (TWf):

See: LINK 

Peer review

Specialist Engineering Contractors’ Group (SEC):

Experience or working with the CDM Regs 2007 (October 2010)

Institution of Civil Engineers (ICE):

CDM 3 years on (2011)


HSE Safety Policy Directorate on the development and implementation of the European Temporary Work at Height Directive (Directive 2001/45/EC, 27 June 2001)