Management of Site Safety in the Prestressing of Precast Concrete


To ensure that Managers, Supervisors and Health and Safety representatives are adequately trained and To explain the importance of training due to the complexity and safety implications associated with prestressing operations

This course can be run as a separate day course for Managers, Supervisors and Health and Safety representatives from different companies off site at various locations throughout the country (quarterly or six monthly)  


At the end of this course the participants will be able to:


  1. Explain the Manager’s responsibilities with regard to the prestressing operation

    • Duties under H&SAWA for safe place of work, suitable and sufficient training, safe plant and machinery etc.

    • The manager’s responsibilities for ensuring that all operations are covered by a suitable and sufficient risk assessment and safe system of work.

    • Enforcing the use of suitable Personal Protective Equipment

    • The manager’s responsibility with regard to the PUWER regulations:

    • Maintenance procedures

    • Maintenance periods

    • Maintenance records

    • Suitability of equipment

  2. Explain the different types of stressing

    • Stressing with a jack

    • Stressing with a hoist and PIAB

    • Multi-Stressing

    • Stressing by load

    • Stressing by extension

    • Benefits of pre-tensioning for safety and design purposes


  3. Explain the operational hazards on a prestressing plant

    • Wire breakages

    • Machinery and equipment

    • Misuse

    • Mismatched

    • Unsuitable

    • Untrained personnel

    • Interaction with other operations or machinery movement in close proximity

    • Housekeeping

    • COSHH

    • Space and product movement

  4. Explain the importance of lock off/isolation procedures

  5. Explain Explain the correct storage procedures of wire and strand

    • Quarantine requirements

    • Stock rotation

    • Environmental issues re storage as per PS3

  6. Explain quality and traceability requirements for prestressed wire/strand:

    • Checks on receipt of material

    • Documents and records

  7. Review and explain Emergency plans and procedures

    • Emergency de-tensioning

    • Audible and visual warning

    • Power failure

    • Suspect tendon procedures

    • Isolation of materials or equipment

  8. Explain the benefits and requirements of the prestressing safety scheme

    • Continuous improvement

    • Traceability of training to nationally recognised standard

    • Trained and competent workforce

    • Skills improvement

    • Improved safety awareness

    • All personnel involved with prestressing operations attend training identified within the scheme and meet relevant assessment criteria before receiving certification to the appropriate skill group

    • All personnel identified above are trained in accordance with the prestressing training matrix contained within the scheme

  9. Carry out safety audits on prestressing operations




Assessment – Written questions and direct questioning/observation of the delegate, review/update of the site procedures in operation on the delegates site.



  1. Management of H&S at Work Regulations (1999) - HSG65 (2013)
  2. Provision of Use of Work Equipment Regulations 1998 (PUWER)
  3. Personal and Protective Equipment Regulations 1992
  4. The Noise at Work Regulations (2005)
  5. Control of Substances Hazardous to Health (2002) (COSHH)