Precast Concrete Solutions. drainage & water management box culverts brochure

FP McCann is the UK’s market leader in the manufacture, supply and delivery of precast concrete solutions. Our comprehensive precast concrete business extends to include: Drainage & Water Management Tunnel and Shaft Solutions Rail Power & Infrastructure Solutions Walling Solutions Fencing Solutions Agricultural Solutions Flooring Solutions Bespoke specialist precast product service Modern manufacturing plants at Alnwick (Northumberland), Cadeby (Warwickshire), Ellistown (Leicestershire), Grantham (Lincolnshire), Knockloughrim (Northern Ireland), Littleport (Cambridgeshire), Lydney (Gloucestershire),...

benefits of box culverts Designed and manufactured in accordance with all current design specifications and relevant standards, FP McCann box culverts are available in span sizes from 1000mm to 5400mm and internal heights from 500mm to 3600mm dependant on the final mould configuration adopted. A bespoke CAD design service is also available where non-standard unit sizes can be accommodated along with any other internal features requested by the client. FP McCann’s experienced engineers and detailing team together with a modern production facility at Telford, Shropshire, have the flexibility to...

Typical Culvert Units are available in internal span sizes from 1000mm to 5400mm and internal heights from 500mm to 3600mm, with unit lengths to a maximum of 2000mm dependant on final mould configuration (please refer to internal dimensions chart). Half round (or equivalent) channels can be cast into the floor of the units at any position with a choice of equivalent half round diameters. Combined with either a channel or cast as a “vee” benching improves self cleansing flow rates

Sales & technical enquiries 01335 361269 fpmccann.co.uk/box-culverts Mammal Ledges Cast in mammal ledges allow access through the culvert to wildlife without the requirement for extra site provisions Dual Cell Used to facilitate separate water passage through the structure. Bespoke units accommodating a variety of features can be manufactured to the customers design requirements - a few examples can be seen on the right. Access opening Side pipe entry Integral or bolt on end wall

Installation Guidelines For installation and jointing details, refer to the Box Culvert Association’s “Guide to Site Practice” which can be downloaded from the BCA’s website, www.boxculvert.org.uk Internal Dimensions (Based on flat invert culvert units) Key: Flow area m2 / Discharge rate m3/sec Design Criteria Design loading criteria is generally specified by the scheme engineer and ideally should include as a minimum the information below: Exposure conditions should be specified and where available, design codes provided. Further design requirements may include for inlet/outlet points, access...

Sales & technical enquiries 01335 361269 fpmccann.co.uk/box-culverts Please note These figures are a guide only and will be dependant on the mould configuration used in manufacture. Discharge rates are calculated using Colebrooke White formula for a fully wetted perimeter under uniform flow conditions and assuming a flat invert culvert unit. The assumed laying gradient (s) is 1:1000 with a roughness co-efficient (k) of 0.3. Where different values maybe required please contact the office number above to discuss your specific requirements. Width mm (internal span) 2400

Weston Underwood Office: Bullhurst Lane, Weston Underwood, Derbyshire, DE6 4PH. Tel: 01335 361269 Fax: 01335 361410