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Temporary Works Toolkit

The Temporary Works Toolkit is a series of articles aimed primarily at assisting the permanent works designer with temporary works issues.

Buildability – sometimes referred to now as 'construction method engineering' – is not a new concept and one always recognised as vital to the realisation of one’s ideas; it ought to be at the forefront of an engineer’s mind.

The series is ongoing. Parts 1-19 are currently free to access.

Sponsor

TWF

The Temporary Works Forum (TWf) aims to encourage open discussion of any matter related to temporary works.

Articles in this series

The Structural Engineer

I am delighted to have been invited to contribute an editorial to The Structural Engineer introducing a new series of articles on an important aspect of construction projects that does not always receive the attention it deserves.

We intend the “Temporary Works Toolkit” to describe the issues and current practice in temporary works and construction method engineering.

Publish Date - 3 October 2016

Author – B. Hewlett

Price – Free

The Structural Engineer

Tim Lohmann of the Temporary Works Forum introduces this new series and summarises some key differences from permanent works.

Publish Date - 3 October 2016

Author – T. Lohmann (Wentworth House Partnership)

Price – Free

The Structural Engineer

In the second part of the series, John Carpenter examines the impact of CDM 2015 and temporary works on permanent works design.

Publish Date - 1 November 2016

Author – J. Carpenter

Price – Free

The Structural Engineer

The permanent works designer (PWD) has a major influence on the temporary works and can, for example:

  • eliminate temporary works, e.g. through the use of steel decking rather than timber falsework
  • minimise the use of temporary works, e.g. by using the permanent capping beam as a waling in basement construction
  • design the permanent works so that simple temporary works solutions can be used.

Publish Date - 1 November 2016

Author – P. Markham (RNP Associates Limited)

Price – Free

The Structural Engineer

This article explains the theory and background to backpropping and gives advice on the methods recommended to be adopted for backpropping calculations. It looks at the physics involved and how engineers and designers can mitigate damage to concrete slabs during construction.

Publish Date - 1 December 2016

Author – P. Pallett (Pallett TemporaryWorks Ltd)

Price – Free

The Structural Engineer

In the first of two articles examining temporary works failures, Director of Structural-Safety, Alastair Soane, describes common reasons for their occurrence, illustrating the risks with a number of examples.

Publish Date - 3 January 2017

Author – A. Soane

Price – Free

The Structural Engineer

Last month’s article in the series covered the theory and detailed methods recommended for calculating backpropping loads. This article continues by discussing some of the design issues and preconceptions related to backpropping, and gives worked examples.

Publish Date - 3 January 2017

Author – P. Pallett

Price – Free

The Structural Engineer

In the second of two articles examining temporary works failures, Director of Structural-Safety, Alastair Soane, considers why failures occur and what steps can be taken to reduce the risk of catastrophic events.

Publish Date - 1 February 2017

Author – A. Soane

Price – Free

The Structural Engineer

Well-designed and well-executed temporary works solutions can lead to big cost savings, while providing a safe and efficient environment for the permanent works to be built. This is particularly the case with below-ground temporary works, where there are a great many challenges to be faced by a temporary works designer.

Publish Date - 1 February 2017

Author – T. Gould (Vp plc Groundforce Shorco)

Price – Free

The Structural Engineer

John Banks examines the role of principal designer under CDM 2015 and discusses how this relates to temporary works design on a project.

Publish Date - 1 March 2017

Author – J. Banks

Price – Free

The Structural Engineer

Many construction projects which involve partial or whole demolition, refurbishment, or working in close proximity to other buildings or structures are likely to require some form of temporary works. This may include: propping, needling, shoring, facade retention, crash decks, weather protection, temporary screens (to control noise or dust), etc. This article focuses on propping and needling.

Publish Date - 3 April 2017

Author – R.K. Filip (RKF Consult Ltd)

Price – Free

The Structural Engineer

Current highway bridge designs in the UK tend to favour either composite steel girders with a precast or in situ concrete deck for long spans, or precast concrete beams with an in situ concrete deck for spans of less than 40m. This article considers temporary works, in particular the use of temporary supports, to precast concrete bridge beams during deck construction.

Publish Date - 2 May 2017

Author – C. Bennion (Kier Group)

Price – Free

The Structural Engineer

Stephen Thomas, Graham Richardson and David Fletcher of OGI Groundwater Specialists provide an introduction to groundwater risks for permanent and temporary works designers.

Publish Date - 1 June 2017

Author – S. Thomas, G. Richardson and D. Fletcher (all OGI Groundwater Specialists)

Price – Free

The Structural Engineer

A structure in its permanent state cannot be ‘wished into place’. Appropriate consideration must be given to construction methodology so that permanent works can be optimised, temporary works minimised and trade interfaces simplified. This article presents a list of general, high-level considerations that relate to construction methodology and optimisation of temporary/permanent works, with a number of examples provided.

Publish Date - 3 July 2017

Author – D. McBride (Robert Bird Group)

Price – Free

The Structural Engineer

This article provides a brief introduction to some of the construction techniques of lifting, moving and jacking that may be needed to build more challenging permanent works, particularly when installing large or heavy prefabricated elements. The article discusses cranes, self-propelled modular transporters, slides and launches, and jacking.

Publish Date - 1 August 2017

Author – J. Tod (Tony Gee & Partners)

Price – Free

The Structural Engineer

Tony Harris and Mariapia Angelino of WSP explain some of the key technical issues around PAS 8812 – the new guide to temporary works design to European standards. This article aims to promote a shared understanding between designers of both permanent and temporary works.

Publish Date - 1 September 2017

Author – A. Harris and M. Angelino (WSP)

Price – Free

The Structural Engineer

John Underwood of the Health and Safety Executive introduces readers to the regulatory framework in the UK with regard to temporary works.

Publish Date - 2 October 2017

Author – J. Underwood (HSE)

Price – Free

The Structural Engineer

Falsework is defined in BS 5975 as a temporary structure used to support a permanent structure while it is not self supporting. This article focuses on the use of proprietary equipment for the support of fresh concrete to horizontal surfaces. The principles and methods described are broadly applicable to all falsework.

Publish Date - 20 November 2017

Author – A. Jones (RMD Kwikform Ltd)

Price – Free

The Structural Engineer

Site hoarding is a temporary structure erected around the perimeter of construction sites to prevent any unauthorised person gaining access. Hoarding can be erected using a modular system or be a bespoke installation. This article provides an introduction to the design of conventional timber hoardings using plywood sheets.

Publish Date - 1 February 2018

Author – A. Khan and R. Dixon (Swanton Consulting)

Price – Free

The Structural Engineer

This article provides a brief introduction to demolition practice in the UK, addressing the more technical aspects requiring engineering input.

Publish Date - 1 August 2018

Author – A. Holdsworth (Andun)

Price – Free