Installation and maintenance of gas-fired ducted air heaters of rated input not exceeding 70 kW net (2nd and 3rd family gases). SpecificationBS 5864: 2004 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

NOTE: General design characteristics for calliper depth gauges have been removed from this edition and now appear in the revised version of the generic measuring instruments standard BS EN ISO 14978:2018 Geometrical product specifications (GPS)

ISO 24508 specifies design guidelines and requirements for tactile symbols and characters used for information and marking for people who need non-visual or non-auditory information

5 Inspection of solder joints

Where work is required

BS 7000-4 on design management systems for construction is relevant to:

ISO 22282-5 on geohydraulic testing is useful for:

Stone mills

commerce and the public sector

furniture and goods as a service to commercial entities and other organizations

electrical and electronic equipment when subjected to ripple voltages such as those generated by rectifier systems and/or auxiliary service battery chargers overlaying on d

International standards have replaced European standards as normative references

Design and implementation of a records system