Easily installed and economical, short-span bridges up to 25 metres are constructed from various CSP shapes and sizes.
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Vertical installations of CSP are used for protection of pilings, bridge piers, materials storage, and tower support.
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Tough and economical, CSP is used as culverts in a variety of environments and site conditions.
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New CSP is used for slip lining into failing culverts and sewers, or upgrading for improved hydraulics and durability.
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CSP is the backbone of collection systems for storm water, surface water, and street wash.
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CSP systems for economical and reliable underground detention, retention, and recharge of storm water runoff.
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CSP continues to be a source of protection for animals, people and vehicles
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CSP provides safe, cost-effective passage for people, animals, and vehicles.
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Protecting water pipes, pressure liners, electrical cables, heating vents, conveyer belts and more form the elements.
Corrugated Steel Pipe Institute
Welcome to Water Management Solutions PLUS. CSPI promotes Corrugated Steel Pipe (CSP) and sustainable engineering practices as the most effective means of managing, directing, and containing the forces of soil and water. We are Canada’s leading resource on CSP, offering users workable, cost-effective solutions, plus technical support, educational seminars, and the essential information needed for water and soil management in Canada. Learn more
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UnderpassesDangerous crossings of the Trans Canada Highway at Clavet, Saskatchewan are no longer issues for high school students. Innovative CSP underpass solutions were created through tunneling and open cut construction.
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RelinersA mountain stream running through a deep fill highway culvert near Mount Orford Quebec was no match for an innovative highway contractor when she chose CSP for slip lining.
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CaissonsDeep soils and high winds created challenges for wind turbine installations at Pincher Creek Alberta. Large diameter CSP caissons met the challenge.
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Storm Water Management
Guelph Ontario’s storm water management systems were designed to deal with more than flooding. These systems were designed to maintain and enhance the natural environment by addressing surface and groundwater quality and quantity, wetlands, fisheries habitat, and other issues.



