1815.2 Additional geotechnical investigation and report requirements.
BC § 1815.2
Where prestressed rock and soil anchors are used, the geotechnical investigation and report provisions of Section 1803.6 shall be expanded to include, but not be limited to, consideration of the following: 1. Recommended anchor types and capacities.
2.Suitable center-to-center spacing of anchor elements.
3.Minimum unbonded and bonded lengths of tendons, including appropriate rock or soil stratum or strata for the bond zone.
4.The effects of groundwater or voids including grout loss and reduced grout to ground bond.
5.Installation procedures.
6.Durability of anchor materials and minimum corrosion protection requirements.
7.Lock-off load and lift-off load requirements.
8.Reductions for group action, where necessary.
9.Protection of adjacent structures due to anchor installation.
