RCC manhole cover sizes chart
A practical size chart for RCC square manhole covers. Understand cover size vs frame size vs clear opening, and shortlist common sizes like 300, 460, 500 and 600.
Understand the three measurements
When people search for an “RCC manhole cover size”, they often mix up three different sizes: the cover size, the frame size, and the clear opening. For proper fitment, always match the chamber opening to the clear opening first.
- Cover size: the visible top cover dimension.
- Frame size: the outer size of the frame (overall footprint).
- Clear opening: the inner opening that provides access to the chamber.
Quick size chart for common RCC square covers
Below are common sizes used in drainage, sewer and utility chambers. Use this as a quick shortlist, then confirm clear opening and load class based on your site.
300 × 300 × 50 mm (frame)
Compact chambers • typical clear opening around 200 × 200 mm
View: 300×300×50 variant
How to avoid sizing mistakes
The safest process is: (1) measure chamber opening, (2) select a clear opening that matches,(3) confirm frame size fits the top surface, and (4) pick the load class based on traffic.
What about “near me” searches?
People often search “RCC manhole cover near me” when they need quick delivery. If you’re in Jamnagar or Gujarat, share your location and quantity on WhatsApp from the product page and we’ll confirm availability and dispatch.
Need price for your size?
Open the product variant page and use WhatsApp to get the latest quote for quantity + delivery.