BS 1247-1:1990
$86.31
Manhole steps – Specification for galvanized ferrous or stainless steel manhole steps
Published By | Publication Date | Number of Pages |
BSI | 1990 | 16 |
Dimensions, general requirements and tests for general purpose and precast concrete types of manhole steps, including round bar manhole steps, manufactured from galvanized ferrous or stainless steel.