Reinforced concrete manhole cover COVER SLABS

round

Marshalls CPM offer a range of standard heavy duty cover slabs from 900mm to 4000mm to BS EN 1917:2002 and/or BS 5911-3:2010 as well as a wide range of standard specials which are outside the British and European standard but are regularly used throughout the industry as well as a bespoke range of ‘one offs’ that require that “extra special something”. The reinforced concrete ‘biscuits’ are used to cap a manhole chamber and provide a base for regulating brickwork or seating/adjusting rings prior to installing the manhole cover and frame. C = Central E = Eccentric All slabs detailed are Type 2 Weights available on request as they are dependant on the access size For details of access position, contact the technical department on 01902 356220 or technical@cpm-group.com DN3660 and DN4000 cover slabs are supplied in two sections All accesses have 75 x 75 corner chamfers All cover slabs are ‘heavy duty’ and are suitable for use in main roads 1050mm cover slab 750 x 750 central opening is 1400mm OD Marshalls CPM cover slabs are available in BIM (Building Information Modelling) Special Cover Slabs A wide range of special cover slabs can be manufactured to customer’s specifications. Typical examples of special cover slabs supplied are: Pumping stations incorporating davits and/or rebates Extra heavy duty slabs for airports and ports Extra large accesses Slabs designed to comply with Highways Agency Specifications. Multiple accesses Non-circular slabs Slabs with customers own reinforcement design