Tuesday, November 15, 2022




This document" Temporary Works Standard Safety Procedure" is uploaded by HSE Documents in editable format. to download more documents, visit the site regularly.


The purpose of this procedure is to provide safe work instructions for the safe erection, dismantling, and structure design of temporary works.

Definitions and Abbreviations

I. Temporary Works (TW): Any temporary structure needed to build a permanent structure 

ii. TWC: Temporary Works Coordinator

iii. TWD: Temporary Works Designer

iv. TWDC: Temporary Works Design Checker

v. TWS: Temporary Works Supervisor


The following person has responsibilities for the implementation of this standard safety procedure:

– Project Director

– Project Manager

– Temporary Works Coordinator

Hazard Identification and Risk Assessment

The risks associated with Temporary Works are commonly the ones of falling apart and/or failure of the system in the vicinity. These failures occur especially due to:

1) Poor design.

2) Use of unsuitable or insufficient materials and equipment.

3) Lack of knowledge and inexperience of manpower/employees involved in TW.

4) In particular, the causes of failure fall into several wells defined areas:

5) Incorrect estimation of loads to be supported.

6) Design error or loading program changed after design completed.

7) Inadequate maintenance.

8) Appropriate detailing and/or execution of points of load transference.

9) Appropriate horizontal and/or diagonal bracing to resist lateral loads.

10) Inadequate foundations.

Risk Checklist for Temporary Works

1) Risk to persons from collapsing structures (fall onto).

2) Risk to workforce/employees falling from collapsing structures (fall from height).

3) Risk of persons being hit by falling materials.

4) Risk of an excavation collapse.

5) Risk of persons falling into poorly guarded excavations.

6) Risk of plant/equipment, and machinery deterioration arising from any of the above.

7) Risk to persons handling equipment (manual handling injuries).

Control Measures for Hazards in Temporary Works

The control measures required for the safe operation of all Temporary Works are listed here as headings, and specific details about the controls are contained in the sections which follow.

Control of Temporary Works

1) The assignments of duties and responsibilities to experienced, skilled, and competent staff for all TWA.

2) The formal appointment, in writing of persons, to carry out individual duties.

3) The maintenance of a Temporary Works register.

4) The accurate and proper classification and assessment of all TWA.

5) The formal allocation of individual responsibilities to:

  • Temporary Works Coordinator
  • Temporary Works Designer
  • Temporary Works Design Checker
  • Temporary Works Supervisor

6) The checking of all materials for adequacy, before erection.

7) The formal checking of the TW design and inspection prior to any works.

Duties & Responsibilities of Employees for Temporary Works

Contractor’s Responsibilities

1. The main contractor is accountable for all TW which are needed for any part of the activity which is included in the project contract.

2. The contractor’s responsibility is total, i.e. from the initial concept, through the design stage, to erection, use, and dismantling, and also includes the Temporary Works of Sub-contractors which must be properly checked and approved at each phase by the main contractor/client.

3. Operatives involved with Temporary Works at any stage in the process must be fully aware of their duties and responsibilities. These must be apparently explained by the Project Manager (PM) when they appoint the individual PERSONS concerned.

The Main Items of Responsibility

Accountabilities, Responsibilities must be assigned for the following key elements of the Temporary Works:

1. The concept of the scheme

2. The design brief

3. The design – drawings and specifications, etc.

4. Checking of the design.

5. Adequacy of materials used.

6. Site control of erection, maintenance, and dismantling

7. Checking of site control

8. Authority to use or remove

Formal Appointment of Persons to Conduct and accomplish Individual Duties and work

The Project Manager needs to rent certainly experienced people to carry out all the key factors of the Temporary Works. Appointments may be shown in writing to each character, giving clear instructions on their duties, obligations, and authority. The following appointments should be made for each transient paintings agreement, or separate elements of a Contract depending on the character and extent of the Temporary Works:

A. Temporary Works Coordinator (TWC)

B. Temporary Works Designer (TWD)

C. Temporary Works Design Checker (TWDC)

D. Temporary Works Supervisor (TWS)

It will normally be the case on large projects in which the TWC and TWS are based on-website online. However, on medium-sized and small initiatives the individuals can be appointed to a traveling foundation. In such instances, the unique requirements for Temporary Works will be assessed by the Project Manager before making the perfect appointments.

Temporary Works Register

The TWC will keep an up-to-date register of all the objects of Temporary Works on the site with every object categorized as defined in the Temporary Works Register. The reason for the sign-in is to make certain that each item of Temporary Works whether or not originating inside the essential contractor or from a Sub-contractor, is formally diagnosed, designed, and checked following assignment and company requirements. The brief works register ought to be hooked up through Contracts Management at each Contract handover meeting and updated as essential by way of the TWC during the Contract.

Classification of Temporary Works

Each object of Temporary Works must be assessed and classified via the Project Manager/TWC as Class A or B as defined beneath, to restore the level of layout and check vital. 

In relative phrases, Class “A” Temporary Works are deemed to be of a drastically better hazard than Class “B”.





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