Foreword
Committees responsible
Specification
1. Scope
2. Dimensions
3. Straightness of pipe type guards
4. Materials
5. Foundation units
6. Marking
Appendix
A. Optional items to be agreed between the manufacturer
and the purchaser
Figures
1. Pipe type guards and vitrified clay foundation units
2. Sectional square type guards
3. Typical patterns and dimensions of concrete
foundation units