MH Square Frame Base w/ Circular Cover, Sanitary - Model 401.01A

Distributed by Conqueror Building Materials Inc.
Brand: MF, SUF and Exim P / CBMI

Maintenance hole (MH) gray cast iron casting, square base (800 mm), round frame with 575 mm accessible opening and removable closed circular covers (624 mm diameter) for sanitary sewer. Product markings: "MF" and "CBMI" (Conqueror Building Materials Inc.)

Drainage and Sewer Works | Maintenance Hole, Catch Basin, Ditch Inlet Units and Valve Chambers | Accessories | Frames and Covers | Gray Cast Iron

Certifications: PMC - Accepted for Use Durham Region Approved Products List

Prequalification Lists: 
Regional Municipality of Durham - - Grey Cast Iron (PDF)
  • Ontario Provincial Standards
    • OPSD 0401.0100 - Cast Iron, Square Frame With Circular Closed Or Open Cover For Maintenance Holes
    • OPSS 1850 - Frames, Grates, Covers and Gratings
    • OPSS 407 - Maintenance Hole, Catch Basin, Ditch Inlet and Valve Chamber Installation
  • American Society for Testing and Materials
  • Other Standards
    • AASHTO M105-09-UL - Gray Iron Castings
    • EN 124 June 1994 - Gully tops and manhole tops for vehicular and pedestrian areas - Design requirements, type testing, marking, quality control

Reuben Massey, President
Conqueror Building Materials Inc.
3392 Colonial Drive
Mississauga ON L5L 5B9
Phone: (416) 428-6697