Main hole cover HD or MD
Introduction
Heavy Duty (HD) and Medium Duty (MD) precast concrete manhole covers built to safely withstand surface traffic load requirements.
Specifications
Concrete Grade: M40 | HD & MD Load Class | Steel Fiber Reinforced Concrete (SFRC) | Precision Cast Frame | Anti-Slip Surface | Weather & Chemical Resistant
Benefits
Zero scrap value prevents public theft, precise frame fitment, and extreme crack resistance.
Usage
Deployed over city sewer lines, storm-water drains, and commercial underground chambers.