BS 1247:1975:1980 Edition
$86.31
Specification for manhole step irons
Published By | Publication Date | Number of Pages |
BSI | 1980 | 13 |
Test and general requirements for general purpose and precast concrete types of manhole step irons, including harpoon and round bar corner pattern types. Appendices on tail dimension checking gauge, proof load test and information required from the purchaser.