Carbon steel accessories shall be epoxy coated as follows:
1. For joint reinforcement, the requirements of ASTM A 884, Class A, Type 1 having a minimum thickness of 7 mils (175 mm) shall be met.
2. For wire ties and anchors, the requirements of ASTM A 899, Class C having a minimum thickness of 20 mils (508 mm) shall be met.
3. For sheet metal ties and anchors, a minimum thickness of 20 mils (508 mm) per surface shall be provided or a minimum thickness in accordance with the manufacturer's specification shall be provided.