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In addition to complying with the requirements of the relevant Building Regulations and other relevant Regulations and Codes of Practice, all new and converted structures benefiting from any Build-Zone warranty must meet the standards required by Build-Zone for the issue of a structural warranty. 

 

The Build-Zone Technical Manual has been prepared in order to assist developers and builders in reaching the required standard, and is a benchmark of the quality of build we expect from all developers, builders or their sub contractors.

 

Home builders or developers who register with Build-Zone and are offered a new home warranty on their development(s) will be required to construct new or converted dwellings to the standards of the Build-Zone Technical Manual in order to comply with the terms of the Build-Zone Code of Conduct for home builders.

Part 1 Introduction

1.1  Build-Zone and the Technical Manual

1.2  Partners

1.3  How We Operate

1.4  Criteria for Technical Audits

Part 2 Build-Zone Requirements

2.1 General Requirements

2.2 Low and Zero Carbon Housing

2.3 Security

2.4 Establishing Fitness of Materials and Workmanship

2.5 Guidance for Innovative Designs and Construction Methods

2.6 Modern Methods of Construction (MMC)

2.7 Guidance on the Party Wall Etc Act 1996.

Part 3 Build-Zone On Site

3.1 Risk Management

3.2 Plan Check: Site and Construction Overview

3.3 Foundations – Warranty Key Stage

3.4 DPC/Oversite – Warranty Key Stage

3.5 Superstructure at Wallplate or Timber Frame Erected and Roof Structure Completed – Warranty Key Stage

3.6 Roof Structure or Timber Frame Erected and External Cladding Started – Warranty Key Stage (Timber Frame Projects Only)

3.7 Pre Plaster – First Fix

3.8 Post Plaster – Second Fix

3.9 Completion – Warranty Key Stage

Part 4 Site Investigation and Foundations

4.1 General

4.2 Site Investigation

4.3 Environmental Risk Assessment of Land

4.4 Japanese Knotweed

4.5 Foundations

4.6 Drainage

4.7 Basements

Part 5 Substructure & Ground Floors

5.1 Walls

5.2 Floors

Part 6 Superstructure

6.1 General

6.2 Materials

6.3 External Walls – Masonry

6.4 External Doors, Windows and Rooflights

6.5 Timber Frame

6.6 Steel Frame

6.7 Render

6.8 Curtain Walling

6.9 Cladding

6.10 Upper Floors

6.11 Sound Insulation

Part 7 Internal Works

7.1 General

7.2 Floors

7.3 Walls

7.4 Ceilings

7.5 Carpentry

7.6 Painting

Part 8 Roofs

8.1 Pitched Roofs

8.2 Flat Roofs

8.3 Rainwater Gutters and Downpipes

8.4 Balconies

Part 9 Services

9.1 General

9.2 Electrical Installations

9.3 Fuels

9.4 Plumbing/Heating

9.5 Above Ground Drainage

9.6 Ventilation

Part 10 External Works

10.1 General

10.2 Concrete Mixes

10.3 External Paths, Drives, Patios and Gardens

10.4 Walls

10.5 Garages and Small Outbuildings

10.6 Security

Part 11 Conversions

11.1 General

11.2 Ensuring Our Quick Assessment

11.3 Substructure

11.4 Superstructure

Part 12 Appendix

12.1 Appendix A – Approved Documents

12.2 Appendix B – Standards

12.3 Appendix C – Material Testing Facilities

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Build-Zone Technical Manual

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Build-Zone is a trading style of Sennocke International Insurance Services Limited of 6 Pembroke Road, Sevenoaks, Kent, TN13 1XR, Sennocke International Insurance Services Limited is an independent insurance broker who is authorised and regulated by the Financial Conduct Authority. Our firm reference number is 309040.