ELECTRICAL POLYMER CONCRETE MANHOLE (3′-10″X3′-10″X3′-10″)

*Overview: · Electrical utility manhole, until 3 ducts 600 A.
· Electrical utility manhole, until 6 ducts 300 A.
1.-Polymer concrete f’c= 11,379 psi.
2.-Fiberglass reinforced polymer concrete ring and cover.
3.-3/16″ Thickness fiberglass wall.
4.-Wall wi