Description
Morrison Bros. Co. 318TM Tank Monitor Manhole
Manuals and Information:
Highway Standards Sheet
318 Series Spec Sheet
Designed for use as access ports in driveways where limited access or watertight conditions are not required.
Features:
- Meets H-20 load rating
- “Tank Monitor” cast into cover
Construction:
- Cover and ring: Cast iron
- Skirt: 22 Gauge galvanized steel








