BS 5864:2004 pdf free.Installation and maintenance of gas-fired ducted air heaters of rated input not exceeding 70 kW net (2nd and 3rd family gases) – Specification.
BS 5864 specifies the selection, installation and maintenance (see Note 1) of flued, gas-fired, ducted-air heaters of rated input not exceeding 70 kW, based on net calorific value, burning 2nd or 3rd family gases to heat one or more rooms or internal spaces in either domestic premises (see Note 2) or commercial premises.
It is applicable to warm air heaters that incorporate a fan to circulate the warm air.
It is also applicable to combined air heater/circulator installations and to the servicing and maintenance of heaters that distribute warm air by natural convection (see Annex A).
NOTE 1 For the purposes of this standard, installation includes design, inspection and commissioning. It is recognised that each àf these tasks can be performed by the same person.
NOTE 2 As well as normally constructed dwellings, domestic premises include any permanently sited leisure accommodation vehicles, residential park homes and permanently moored boats. Particular and additional requirements exist for these categories of premises and can be found in IGEIUP/8 [10]. Neither this standard nor IGEIUPI8 [10] applies to gas installations in towed or motorised caravans.
4 Competence
4.1 Persons carrying out the design, installation and maintenance shall be competent.
4.2 The installation work shall be carried out by a business or self-employed person, who is a “member of a class of persons approved for the time being by the Health and Safety Executive (HSE)”.
COMMENTARY AND RECOMMENDATIONS ON 4.2
At the time of publication, the body with HSE approval to operate and maintain a register of businesses who are “members of a class of persons” is the council for Registered Gas Installers (CORGI).
Persons deemed competent to carry gas work are those who hold a certificate of gas safety competence acceptable to CORGI, which includes (without limitation) the Accredited certification Scheme (A CS) and the Gas Services S/NVQ that has been aligned with ACS.
4.3 Persons who design the heating system or installation shall have a knowledge and understanding of the standards and regulations that apply to ensure that any completed plans will produce a safe and satisfactory installation.BS 5864 pdf download.