PREVIEW: Ground gas protection measures - getting it right


Overview
This preview is for ATOs only. The purpose of training delivered against this standard is to provide candidates with the knowledge of general ground gas protection.

This standard is available to ATOs to preview before it’s finally published. You should make sure your course matches these details. This standard will eventually supersede the existing standard in development. 

Until then, continue to publicise your courses against the existing title on the Construction Training Directory.

CITB has developed this standard in discussion with industry

Duration

Minimum 1 day of 6 learning hours

Purpose/scope

The purpose of training delivered against this standard is to provide candidates with the knowledge of general ground gas protection.

The scope of this standard covers:

  • hazard of ground gases
  • principles of ground gases
  • guidance and regulation
  • principles of gas protection: design, ventilation, and membranes
  • verification
  • project sign-off role
  • implications and requirements of CIRIA C735
  • common issues
  • verification engineers and installation competency
  • damage by follow-on trades
  • good practice gas membrane installation
  • jointing membranes, detailing, corners, and retrofitting
  • installation practices (NOS QCF units 612 and 613).

Occupational relevance

Training delivered against this standard would be relevant to the following occupational groups:

  • operative and craft
  • supervision
  • management and leadership.

Candidate pre-requisites

There are no candidate pre-requisites as part of this standard. However, candidates should have some technical or practical experience of working in a related environment.

Instruction/supervision

As a minimum, course instructors must be able to demonstrate that, in relation to this standard, they have:

  • A train the trainer or instructional techniques course certificate
  • Successfully completed training to this standard 
  • At least 2 years relevant industrial experience
  • A verifiable CV.

Delivery

The following method may be used in the delivery of this standard:

  • classroom
  • e-learning
  • blend of classroom and e-learning

All materials and equipment must be of a suitable quality and quantity for candidates to achieve learning outcomes, and must comply with relevant legislation.

The class size and candidate/instructor ratio must allow training to be delivered in a safe manner and enable candidates to achieve the learning outcomes.

This standard is considered to contain 51 per cent or more theoretical learning.

Assessment

For the successful completion of training, the trainer will be required to make a declaration of the learner’s contribution during the course and that they are confident the learner has understood the content of the course.

Quality assurance

Quality assurance against this standard will require initial approval of the training organisation and their content mapped to the standard. 

CITB will also conduct an approval intervention, either desk-based or centre visit, to ensure the training organisation can meet the requirements of the Training Standard. 

Approved training organisations (ATOs) will be required to present information on records of training and assessment upon request to CITB for desk-based analysis. They will also be visited annually by the CITB quality assurance team.

Renewal/refresher

There are no mandatory renewal or recommended refreshment requirements for this standard.

Approval date

November 2018

Review cycle

Either on request or in 3 years from approval date.

Learning outcomes

 

 The candidate will be able to: Additional guidance to support learning outcome

Hazardous gases

Describe the main hazards of ground gases

 

Describe the basic principles of ground gases

 

Describe the main current guidance and regulation

 

Principles of gas protection

Describe high level design and gas protection technologies

 

Describe ventilation considerations, membrane design and specification

 

Describe membrane installation and examples of good and bad practice

Demonstration of good practice gas membrane installation

Demonstration of jointing membranes, detailing to pipes, corners and the retro fitting of membranes to existing buildings

Demonstration of installation practices based on the NOS working towards QCF units 612 and 613

Verification

Describe the role in project sign off

 

Describe the main implications and requirements of CIRIA C735

 

Describe common issues in verification

 

Describe the independent verification engineers and installation competency

Demonstration of independent verification engineers and installation competency

Describe how to deal with damage caused by follow-on trades

Demonstration of dealing with damage caused by follow-on trades

 

Additional information about this standard

Health & Safety Executive (HSE) confined spaces

British standards

Find out more about British Standards

  • BS 8485:2015 Code of practice for the design of protective measures for methane and carbon dioxide ground gases for new buildings.
  • BS 8576:2013 Guidance on investigations for ground gas. Permanent gases and volatile organic Compounds (VOCs).
  • BS 8102:2009 Code of practice for protection of below ground structures against water from the ground
  • BS 5930:2015 Code of practice for ground investigations
  • BS 5250:2011 Code of practice for control of condensation in buildings
  • BS EN 1997-1:2004+A1:2013 Eurocode 7. Geotechnical design. General rules
  • BS 8485:2015 Code of practice for the design of protective measures for methane and carbon dioxide ground gases for new buildings

Reference

  • CIRIA C735 – Good practice on the testing and verification of protection systems for buildings against hazardous ground gases
  • CIRIA C748 – Guidance on the use of plastic membranes as VOC vapour barriers
  • CIRIA C665 – Assessing risks posed by hazardous gas ground gases to buildings

Legislation

See government legislation in detail

  • Building and Buildings, England and Wales: The Building Regulations 2010.
  • The Building (Scotland) Regulations 2004
  • Statutory Rules of Northern Ireland
  • Conservation (Natural Habits etc) Regulations 1994
  • Construction (Design and Management) Regulations (CDM) 2007
  • Management of Health and Safety at Work Regulations 1999
  • Wildlife and Countryside Act 1981
  • Health and Safety at Work etc Act 1974
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