BS 8446:2020 pdf download
BS 8446:2020 pdf download.Installation and maintenance of open-flued, non-domestic gas-fired laundry appliances – Specification.
e) the method of installation recommended In the laundry appliance manufacturer’s literature;
1) the availability of a stable and rigid base on which to site the Laundry appliance:
g) the likely proximity of the laundry appliance to other appliances; and
h) the best location for the makeup air inlet and exhaust outlet.
5,2 Risk assessment
COMMENTARY ON 52
The duty of an employer to cany out a risk assessment Is Im posed by the Management of Health and Safety at Work Regulations 2006(21. The risk assessment should cover, but not necessarily be limited to:
a) all matters described in this British Standard regarding installation requirements; and
b) matters affecting the health and safety of employees, self-employed persons and others during operation, maintenance, cleaning and installation.
U might be necessary for persons with knowledge of dijJe rent areas to be involved in the risk assessment, e.g. the gas Installer or the laundry operator
For more information, re,tè rence should he made to IGEM/SR/24 123).
Prior to the installation of any non-domestic laundry appliance, a risk assessment shall be carried out to ascertain the best location for the appliance.
6 Selection of laundry appliances
COMMENTARY ON CLAUSE 6
For a tumble dryer, the drying load capacity should be borne in mind during selection, together with the intended location and the provision of make-up air (see CIa ue 10) and exhaust venting, being particularly mindful of the manufacturers maximum permitted exhaust runs (see Clause .12).
For rotary ironers. the size of the laundry to be ironed through the railer should be borne in mind during the selection, together with the intended location, the requi rements for space to feed and return the laundry from the iron, and the provision of make-up air (see Clauae 10) and exhaust duccing. being particularly mindful of the manuacturer’s maximum permitted exhaust runs (see Cluusel2J. A typical rotary ironer is illustrated in Figure L
The laundry appliances covered by this British Standard are gencraqy stand-alone. Appliance flexible connectors, ducting and make-up air grilles are not supplied with these laundry appliancec
The installer should check the data given with a laundry appliance to establish the basis on which the heat input is quoted.
For the purposes of this British Standard the ratio of gross: net heat input is 1:1,11. For example, to convert aS kW input appliance, gross calorlflc value (cv.) to the equivalent net cv. heat Input, the following equation is used.
The installer should, in all cases. refer to the data plate and/or take other steps to verify that the laundry appliance Is suitable for the pressure arid type of gas to be burnt. Conversion to another gas, If necessary, should be carried out strictly in accordance with the manufacturer’s instructions using the manufacturer’s kit of parts.
If there is any doubt as to the suitability of a laundry appliance for a porn cuter gas. then the laundry appliance manufacturer should be consulted.
Where a laundry application’s data plate carries the letters CAT 1 or CAT II followed by gas type designations. (it 211, 2R 28). then the laundry appliance may be used for different types of gases when adjusted to do so.
In such a case, the installer should verify that the laundry appliance is correctly adjusted.
My new laundry appliance selected for installation shall be one that has been marked by the manufatturer as being suitable for the gas with which it Is to be used. It shall also be suitable for its intended location (see Clause 7).
The installer shall verify that any new laundry appliance selected for installation is marked with an acceptable certification scheme.
6.2 Used laundry appliances.
