PPIC Covers (short for polypropylene inspection chamber) are made from various materials such as all polypropylene, cast iron and or ductile iron. Covers have load ratings from Light Duty (A15), Medium Duty (B125) and Heavy Duty (C250) and come with single or double seals and locking bolts.
A15 Solid Top Manhole Covers are made from hard wearing cast iron are most appropriate for pedestrian areas and cycle lanes where there is only the occasional light vehicular traffic. Covers come single seal as standard but may be supplied locked on request.
B125 Solid Top Manhole Covers are made from durable ductile iron and are most appropriate for driveways, car parks and slow moving light traffic. B125 Covers come single seal as standard but may be supplied locked on request.
C250 Manhole Covers are made from durable ductile iron and are most appropriate for car parks, industrial areas and forecourts, and other areas of slow moving heavy traffic. C250 Covers come single seal as standard but may be supplied locked on request.
D400 Double Triangular Manhole Covers are made from durable ductile iron and are most appropriate for main roads and carriageways carrying fast moving heavy traffic. These covers are Highways Agency HA104/09 compliant and have a double triangular three-point suspension non-rock design with the underside of lids loosely bolted together.
The D400 Manhole Cover is made from durable ductile iron and is most appropriate for car parks, industrial areas and forecourts, and other areas of slow moving heavy traffic. Covers come single seal as standard but may be supplied locked on request.
E600 Double Triangular Manhole Covers are made from durable ductile iron and are most appropriate for main roads and carriageways carrying particularly high volumes of fast moving heavy traffic and other areas carrying extreme wheel loads such as docks and ports. The E600 cover is Highways Agency HA104/09 compliant.
F900 Double Triangular Manhole Covers are most appropriate for main roads and carriageways carrying particularly high volumes of fast moving heavy traffic, but also for areas requiring the highest wheel loads such as airport runways and military installations. The F900 cover is Highways Agency HA104/09 compliant.