MH/CB Square Frame w/Square Flat Grate (400.02)

Manufactured by Sigma Corporation
Brand: Calcutta Ferrous

Heavy duty, load bearing grey cast iron square frame complete with flat or v-type herring bone grate or alternately with flat perforated grid.

Categories:

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 - 4.72.50.16 - Grey Cast Iron (PDF)

Ontario Provincial Standards
- OPSD 400.020 - Cast Iron, Square Frame With Square Flat Grate For Catch Basins, Herring Bone Openings
ASTM International
- ASTM A48/A48M-03(2012) - Gray Iron Castings
Other Standards
- ISO 9001:2000 - Quality management systems -- Requirements