(6) Steel plate guard fence or timber post guard fence should be installed at the ends of all narrow bridges in the interest of safety. (7) Advance warning signs as described below should be erected on the approaches to bridges where necessary as per Appendix 5. 1 -A.16. Mainte nance of Boat Bridges and Ferries A. Pontoon Bridges-aThe safe load should be determined in accordance with theanbsp;...
|Title||:||Maintenance Manual for Roads, Bridges and Equipments|