600 x 1250mm Class B Gas and airtight covers Infill Cover

Commonly used for junction pits and onsite detention tanks, Jaybro's range of concrete infill ductile iron access covers are designed to allow easy access for maintenance crews. The heavy duty frame is designed to be cast into a concrete slab in the tank or above the pit, and the cover is filled with concrete, making the pit or tank sealed against gas, air and water ingress. Manufactured and tested to meet Australian Standard AS3996.2006 Access Covers and Grates, this range of covers is available rated to Class D or Class B - hoose from the options below.

Class B loading is typically for areas including footways and light tractor paths that are accessible to vehicles (excluding commercial vehicles) or livestock (light duty). Class B classified products have a nominal wheel loading of 2670 kg, a serviceabillity design load of 53kN and an ultimated limit state design load of 80kN.

Class D loading is typically for carriageways of roads and areas open to commercial vehicles (heavy duty). Class D classified products have a nominal wheel loading of 8000 kg, a serviceability design load of 140kN and an ultimate limit state design load of 210kN.

Choose from a range of standard sizes including: