Manhole - Non-bolted

FIG 318

Designed for use as access ports in driveways where limited access or watertight conditions are not required.

Standard Features

Meets H 20 Load rating

 

Construction Details

  • Cover: Cast iron (18” is steel)
  • Ring: Cast iron
  • Skirt: 22 Gauge galvanized steel
Figure Suffix Size Description Weight (lbs)
318 0100 AM 9" x 7" Cast iron ring and cover, galvanized steel skirt 15
318 0200 AM 12" x 7" Cast iron ring and cover, galvanized steel skirt 28
318 0400 AM 12" x 12" Cast iron ring and cover, galvanized steel skirt 25
318 1100 AM 18" x 12" Cast iron ring, steel cover, galvanized steel skirt 58
318 1200 AM 18" x 18" Cast iron ring, steel cover, galvanized steel skirt 71
318 1300 AM 24" x 18" Fabricated and painted steel ring, cover, and skirt 104

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CARB Certification

Morrison Bros. Co. has received approval from California’s Air Resource Board for a Phase 1 Enhanced Vapor Recovery System for Protected Aboveground Storage Tanks. Click here to get started on your CARB certification!

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