Designed to AASHTO H20 requirements, each manway is constructed of A36 steel plate from 10 ga. to 1/4″ thick with lids of 3/8” reinforced checkered steel plate. Round GLMs are available in diameters from 12″ to 48”. Designed around a 1-5 door configuration, rectangular GLMs are available in widths from 48″ to 72″ and lengths from 48″ to 150″ in 6″ increments. Download brochure.
Related Projects
Aboveground Vertical Tank Stabilizer Options
Anchor chairs provide secure hold-down for vertical flat-bottom tanks. Tank skirts and support legs provide clearance and elevation for vertical…
Deadman Anchoring System
Highland Tank's Deadman Anchoring System is designed to secure tanks, separators, and interceptors in underground installations. Download brochure.
Complete Fuel Dispensing Systems
Gas and diesel fuel dispensing packages that include tanks, pumps and all components to install a complete system. Platform and…
Compartment Tank
Compartment Tanks are designed to store multiple grades of product, or different types of products, in the same tank. This…
