Printed version of this standard is available at Library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
This Part of BS 1247 specifies the essential dimensions and general requirements for galvanized ferrous or stainless steel manhole steps.
The types of manhole steps are:
(a) for general purposes, i.e. in brickwork and in situ concrete;
(b) for use in precast concrete manholes and inspection chambers complying with BS 5911.