BS-8446-2005.pdf
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1、BRITISH STANDARD BS 8446:2005 Specification for the installation and maintenance of open- flued, non-domestic gas-fired laundry appliances ICS 97.060 ? Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 06:23:51 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8446:20
2、05 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 21 June 2005 BSI 21 June 2005 The following BSI references relate to the work on this British Standard: Committee reference GSE/30 Draft for Development 04/30089331 DC ISBN 0 580 46013 4 Comm
3、ittees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee GSE/30, Gas installations (1st, 2nd and 3rd family gases), upon which the following bodies were represented: Boiler and Radiator Manufacturers Association Ltd British Flue and C
4、himney Manufacturers Association BSI Consumer Policy Committee Catering Equipment Suppliers Association Centrica plc Council for Registered Gas Installers Department of Trade and Industry Health and Safety Executive Heating and Ventilating Contractors Association ICOM Energy Association Institute of
5、 Domestic Heating and Environmental Engineers Institution of Gas Engineers and Managers L P Gas Association Society of British Gas Industries Co-opted members Amendments issued since publication Amd. No.DateText affected Licensed Copy: London South Bank University, London South Bank University, Fri
6、Dec 08 06:23:51 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8446:2005 BSI 21 June 2005 i Contents Page Committees responsibleInside front cover Forewordii 1Scope 1 2Normative references 1 3Terms and definitions 1 4Competence 3 5Planning considerations and risk assessment 3 6Selection of laundry ap
7、pliances 4 7Location of laundry appliances 6 8Gas connections 8 9Electrical connections 10 10Exhaust system 10 11Flexible exhaust ducting connections for tumble dryers 11 12Ductwork 11 13Termination 12 14Exhaust testing 14 15Make-up air 15 16Inspection and commissioning 15 17Information to be given
8、to the user 16 18Servicing and maintenance 16 Bibliography 18 Figure 1 A typical rotary ironer 6 Figure 2 Typical method of stacking a tumble dryer on to another appliance 8 Figure 3 Possible configurations of the exhaust termination 13 Table 1 Air flow and minimum free air ventilation requirements
9、according to drying load capacity for tumble dryers 11 Table 2 Air flow and minimum free air ventilation requirements according to drying load capacity for rotary ironers 11 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 06:23:51 GMT+00:00 2006, Uncontrolled Co
10、py, (c) BSI BS 8446:2005 ii BSI 21 June 2005 Foreword This British Standard has been prepared by Technical Committee GSE/30 and comes into effect on 15 August 2005. This standard reflects, where applicable, BS 7624:2004. This specification has been prepared to address industry concerns about the saf
11、ety of open-flued, non-domestic gas-fired laundry installations. Attention is drawn to the hazards that exist in certain locations where the atmosphere or drying load can contain flammable vapours. This publication does not purport to include all the necessary provisions of a contract. Users are res
12、ponsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. In particular, attention is drawn to the following statutory regulations: The Health and Safety at Work, etc, Act 1974 1 The Management of Health and Safety at Work Reg
13、ulations 1999 2 The Dangerous Substances and Explosive Atmospheres Regulations 2002 3 The Gas Safety (Installation and Use) Regulations 1998 4 The Gas Safety (Installation and Use) (Northern Ireland) Regulations 2004 5 The Gas Safety (Management) Regulations 1996 6 The Electricity at Work Regulation
14、s 1989 7 The Control of Substances Hazardous to Health Regulations 2002 8 The Control of Asbestos at Work Regulations 2002 9 The Gas Appliances (Safety) Regulations 1995 10 The Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 1995 11 The Provision and Use of Work Equipment Regul
15、ations 1998 12 The Confined Spaces Regulations 1997 13 The Construction (Design and Management) Regulations 1994 14 The Construction (Health, Safety and Welfare) Regulations 1996 15 The Pressure Systems Safety Regulations 2000 16 The Building Regulations 2000, as amended 17 The Building (Scotland) R
16、egulations 2004 18 The Building Regulations (Northern Ireland) Statutory Rules 2000 19 The Gas Safety (Application) Order 1996 (Isle of Man) 20 Summary of pages This document comprises a front cover, an inside front cover, pages i to ii, pages 1 to 19 and a back cover. The BSI copyright notice displ
17、ayed in this document indicates when the document was last issued. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 06:23:51 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8446:2005 BSI 21 June 2005 1 1 Scope This British Standard specifies the installation (see n
18、ote) of non-domestic gas-fired tumble dryers and rotary ironers burning 2nd and 3rd family gases. This standard is applicable to both fixed and tilting tumble dryers. The standard applies to open-flued laundry appliances only. NOTE For the purposes of this standard, installation includes design, ins
19、pection and commissioning. It is recognised that each of these tasks can be performed by the same person. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, th
20、e latest edition of the referenced document (including any amendments) applies. BS 6692, Flexible hoses, end fittings and sockets for gas burning appliances Specification for corrugated metallic flexible hoses, covers, end fittings, and sockets for catering appliances burning 1st, 2nd and 3rd family
21、 gases. BS 6891, Specification for installation of low pressure gas pipework of up to 28 mm (R1) in domestic premises (2nd family gas). BS 7461, Specification for electrically operated automatic gas shut-off valves fitted with throughput adjusters, proof of closure switches, closed position indicato
22、r switches or gas flow control. BS 7671, Requirements for electrical installations. IEE Wiring Regulations. BS EN 161, Automatic shut-off valves for gas burners and gas appliances. BS EN ISO 10380, Pipework Corrugated metal hoses and hose assemblies. 3 Terms and definitions For the purposes of this
23、British Standard, the following terms and definitions apply. 3.1 2nd family gas natural gases 3.2 3rd family gas liquefied petroleum gases (LPG), including compressed propane and butane 3.3 appliance flexible connector pipe with appropriate connector ends, designed to have a considerable degree of f
24、lexibility to facilitate the connection of a gas appliance to an installation pipe and allow the appliance to be moved a short distance without the need for disconnection BS 6691 3.4 braid layer(s) of cylindrically woven wires covering the hose 3.5 commissioning process carried out to place and/or p
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