Dorset Building Control Technical Committee - The Dorset Model

Their objectives are to combine technical knowledge with practical application and establish consistent technical standards across the county.

The Dorset Model

The Dorset Model has been revised for 2009 after ten years as the main guidance for extensions and new buildings with thatched roofs that are within 12m of a boundary.

• Dorset model for thatched buildings

  The Dorset Model has been revised for 2009 after ten years as the main guidance for extensions and new buildings with thatched roofs that are within 12m of a boundary.

• Section 123 Repairs to fire damaged property

  Can Building Regulation applications be requested for repairs to fire damaged property, under Section 123 Building Act 1984?

• Fire Consultation Guidance

  Guidance outlining building type, relevant enactment/statutory instrument and enforcing authorities where fire consultation is required.

• Fire resistance to loft spaces

  Fire resistance to loft spaces in rooms in the roof.

• Installation of downlighters to dwelling houses

  Recommendations for the installation of standard 240V, llow voltage downlighters and recessed light fittings.

• Electrical Safety and Micro-generation in Dwellings

  Compliance with Part P - prepared by West Dorset District Council

• Fire resistance of protected hallways in flats

  The Technical Committee's consideration of the logic behind the requirement for 30 minutes fire resistance to hallway ceilings in flats.

• Use of premises for Day Care of Children

  Does the use of a premises for the Day Care of Children constitute a change of use under the Building Regulations?

• Interpretation of 'non-combustible material'

  The Dorset-wide approach to the definition of a small, detached building 'constructed of substantially non-combustible material'.

• Greenhouses and agricultural buildings

  Rules for exemption from the Building Regulations for greenhouses and agricultural buildings

• Small detached buildings

  Rules for exemption from the Building Regulations for small detached buildings

• Small extensions to dwellings

  Class 7 schedule 2 Rules for exemption.

• Exempt structures 'adversely affecting' an existing building

  Recommendations for when an existing building is extended with a structure that is classed as exempt from Building Regulations to ensure the new structure does not adversely affect the existing building.

• External rendering on timber stud walls

  Compliance with Approved Document C when using a rendering system on external timber stud walls

• Approved Document E - Flanking sound

  Approved Document E indicates that walls adjoining a separating floor should have a mass of at least 120 kg/m² (including finish) unless the wall is external and has openings of at least 20% of its area in each room. The 2010 Policy Statement Update confirms the requirement for sound testing or the use of Robust Details between dwellings and flats to show this has been achieved.

• Use of breathable roof sarking membranes within non-ventilated cold-pitched roof constructions

  When considering the use of a breathable roof sarking membrane within a non-ventilated, cold-pitched roof construction, reference should be sought from a number of sources.

• Replacement doors, windows and roof lights

  Following a change in the Building Regulations, from 01 April 2002, a Building Regulation application will be required for replacement windows, doors and roof-lights.

• Handrails to staircases

  Dorset-wide policy on when handrails should be provided to a staircase based on guidance in Approved Documents K and M.

• Installation of stairlifts in existing staircases

  Does the installation of a stairlift in an existing stairwell require Building Regulation Approval?

• Approved Document F Means of ventilation (2010 edition) Domestic Buildings

  A guide aimed at clarifying the contents of Approved Document F

• Decking/raised patios and associated balustrading

  Guidance for compliance with the Building Regulations when installing decking or raised patios

• Drain replacements

  Repairs, replacements and new drainpipes, manholes or associated fittings

• Foul drainage systems

  Information sheet on the laying of foul drains.

• Surface Water Drainage

  Approved Document H

• Approved Document L1A Conservation of fuel and power in new dwellings (2010 edition)

  A Guide to Compliance when Designing New Dwellings

• Approved Document L1B Conservation of fuel and power change of use in existing Buildings (2010 edition)

  A Guide to Compliance when Designing a Change of Use to a Dwelling and Related Building Work

• Approved Document L1B Conservation of fuel and power for Domestic Extensions (2010 edition)

  A Guide to Compliance when Designing Domestic Extensions and Related Building Work

• Approved Document L2A Conservation of fuel and power in new buildings other than dwellings (2010 edition)

  A Guide to Compliance when Designing New Buildings other than Dwellings

• Approved Document L2B Conservation of fuel and power in existing buildings other than dwellings (2010 edition)

  A Guide to Compliance when Designing for Existing Buildings Other Than Dwellings

• Guide of Insulation material to demonstrate compliance with Approved Document L1B (2006 edition)

• Repair of flat roofs

  When the repair of a flat roof does not require a Building Regulations application.

• U-values of Elements

  A guide to the specification of insulation materials in order to achieve compliance with Approved Document L1B 2010 for small domestic works

• Building Regulation Team Leader
  Name: Andy Holmes
  Email: a.holmes@poole.gov.uk
  Tel: 01202 633238
  Full details for Andy Holmes
• Senior Building Control Surveyor
  Name: Mr George Jones
  Email: g.jones@westdorset-weymouth.gov.uk
  Tel: 01305 838328
  Full details for Mr George Jones
• Building Control Surveyor
  Name: Mr Sai Mak
  Email: s.mak@christchurch.gov.uk
  Tel: 01202 495032
  Full details for Mr Sai Mak
• District Building Control Officer
  Name: Mr Bob Maylin
  Email: rmaylin@north-dorset.gov.uk
  Tel: 01258 484264
  Full details for Mr Bob Maylin
• District Building Control Officer
  Name: Mr Angus Phillips
  Email: AMPhillips@eastdorsetdc.gov.uk
  Tel: 01202 886201
  Full details for Mr Angus Phillips
• Senior Building Control Officer
  Name: Mr Paul Taylor
  Email: paultaylor@purbeck-dc.gov.uk
  Tel: 01929 557272
  Full details for Mr Paul Taylor
• Senior Building Control Surveyor
  Name: Mr Lee Trevett
  Email: b.control2@westdorset-weymouth.gov.uk
  Tel: 01305 252415
  Full details for Mr Lee Trevett
• Senior Building Control Officer
  Name: Mr Peter Trickett
  Email: petertrickett@bournemouth.gov.uk
  Tel: 01202 451411
  Full details for Mr Peter Trickett