CONCRETE PIPE Featured Products REd PRodUCTs Big Box Sections Lafarge box sections djustable gn to meet g precast x manholes. The “Big Box” manhole form was purchased by Lafarge in 2010. It consists of a set of adjustable panels that can be configured to suit a number of different manhole sizes, including widths and spans of up to 4 meters. The height of these box sections can range from 0.5 to 2.5 m. The wall thickness of any box size can be set at 300 mm or 350 mm, while the haunch dimension is a standard 300 mm across all sizes. The “Big Box” manhole form is located in Calgary, AB. Please lVERTs contact your local Lafarge representative for information regarding production capabilities and lead times. In the highway culvert industry, the use of corrugated steel has become standard practice, but as highway infrastructure keeps up with rising traffic demands it is important to consider all drainage pipe options available. Through direct design practices, concrete pipe can be manufactured to meet extreme project conditions and 500 offers other 1000 benefits that1500 address Span/Rise concerns with grading, 500 corrosion, or life cycle cost analysis. X Lafarge “Big Box” sections are more commonly used for manhole applications due to production timelines involved with the wetcast manufacturing process versus the drycast method employed with standard box section sizes. The form does, however, provide an alternative for large scale road crossing or short lengths for stormwater conveyance. Sizes Available 2000 X 2500 X X X X X X X X 3000 X X X X X X X X 3500 X X X X X X X X 4000 X X X X X X X X 1000 X X Refer to page 8 for more information in Standard Installation Direct Design X 1500 X X X X (SIDD). 2000 2500 3000 3500 4000 X X X X X X X X X X X X X X X X X X X X de ThE box Concrete box sections can be used in a variety of applications to meet the needs of your project beyond the conveyance of storm water, industrial waste and sanitary sewage. Innovative product solutions include: Highway bridge culverts Stormwater retention tanks Rural bridge applications Vertical vaults Rip-rap lined culverts for fish crossing Utility corridors or pedestrian tunnel crossings LAFARGE PIPE eMANUAL PAGE 4 Refer to page 12 for more information on our standard box sections • • • • • •