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Structure Rehabilitation and Pipe Reline

Structure Rehabilitation and Pipe Reline

It is often possible to salvage failing structures and eliminate the time, cost and safety problems of complete replacement. Restoring structural and/or hydraulic capacity without road closure is usually achieved with less time, expense and disruption than the replacement alternative. CONTECH offers a variety of products and systems, combined with more than 100 years of experience, to facilitate rehabilitation of storm and sanitary sewers, culverts and bridges. (Above: Cross Culvert on Danks Drive Evergreen, Colorado)

CMP and PVC Pipe for Pipe Reline

Pipe RelineLining inadequate or failing structures with corrugated metal material or plastic pipe uses little of the available area, thereby preserving the maximum amount of the original opening. Due to the hydraulic efficiency of CONTECH products, often a smaller structure provides the same hydraulic capacity as the original because of the low Manning “n” factors of A-2000 and A2 Liner PVC pipes and HEL-COR and ULTRA FLO CMP pipes. Existing pipes and arches are generally lined with structures of the same shape, though slightly smaller in size. Rectangular openings can be lined with round, elliptical or pipe arch structures. Corrugated metal structures can fit almost any existing shape.

CMP and PVC Pipe for Rehabilitating Storm, Sanitary Sewers and Small Culverts

Pipe RehabilitationReline drainage structures with hydraulically efficient corrugated steel, aluminum or PVC pipe. ULTRA FLO and HEL-COR are CMP Pipes available in standard diameters through 120” and 144" respectively. Special diameters are also available in both products. The PVC pipe systems, A-2000 and A2 Liner Pipe—used for both drainage structures and sanitary sewers—are available through 36” diameter.

Structural Plate for Rehabilitating Bridges and Large Culverts

Structural Plate Bridge RehabBridges and large culverts can be relined by erecting our plate structures inside existing structures. Or, the new plate structure can be erected outside and threaded into existing openings. Our Plate Structures, including Two-Flange Liner Plate, are delivered to the job site unassembled. The plates and ribs are easily bolted together to form various shapes: round, vertical and horizontal ellipse, pipe-arch, underpass and arch.

Precast Structures for Bridge Rehabilitation

Precast Bridge RehabCON/SPAN O-Series, B-Series and BEBO bridge structures can cost-effectively and quickly be installed to support concrete bridges that exhibit deterioration in the concrete superstructure and upper portions of the abutments – utilizing the existing foundation. In most cases, in a single day, the bridge arches can be positioned leaving the existing beam bridge and abutments in place.

Bridge Plank for Deck Rehabilitation

Bridge Plank Bridge RehabThe easy and economical solution is to replace noisy, worn-out wood floors or deteriorated concrete decks with CONTECH Bridge Plank. Corrugated steel CONTECH Bridge Plank has a proven track record from coast to coast on many types of bridges, including skewed structures.
 
 
           

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