Limited Access Manhole - Plain

FIG 418

Provides limited access to underground equipment from grade level. 

Standard Features

Limited access

Water resistant

 Plain cover

 Gasket seal between cover and ring

 

Construction Details

  • Bolts: Stainless hex head; dtainless flat head screws (18″ size only)
  • Gasket: Buna-N
  • Cover: Steel tread plate
  • Ring: Cast iron; (24″ is steel)
  • Skirt: 22 gauge galvanized (12″); 14 gauge (18″ & 24″)

 

Certifications & Listings

Meets H-20 load requirements

Fig Suffix Size Description Weight
418 0200 AM 12" x 7" Limited Access Manhole 31
418 1000 AM 18" x 12" Limited Access Manhole 66
418 1100 AM 18" x 18" Limited Access Manhole 69
418 1300 AM 24" x 18" Limited Access Manhole 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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