Bridge Access Services by Harcon Corp.

Click to enlarge Since 1990, Harcon has installed its catenary cable/rolling scaffold system on hundreds of structures, from single-span, covered bridges to highway bridges over rail yards 100ft. wide. This method of access still outnumbers all the other methods we use lumped together. We've mechanized our cable installation and removal, and can handle 1/2" cables, the standard size for most catenary rigging cables, up to 2,200 ft. long.

Click to enlarge Like the rest of our systems, we've had this system in all its variations reviewed and stamped by a Professional Engineer, including the rolling frames, railing systems, and cable configurations, terminations, and attachment hardware.
In recent years, our firm has rigged catenary cables on several significant structures for bridge painters, including, in 1999, installing more than thirty miles of cable in less than ten weeks for Jupiter Painting on the Betsy Ross Bridge in Philadelphia. Also, in 1999, we rigged portions of the Delaware Memorial Twin Spans for Allied Painting.

In 2000, we installed cables for Jupiter Painting on two spans of the Strawberry Mansion Bridge, a steel deck truss arch bridge in Philadelphia. One of the more challenging projects we've undertaken, the job consisted of laying in and tensioning, a couple feet below the bottom chord arches, a series of 3/4" and 5/8" cables, supported vertically by 1/2" cable hangers draped over each floor beam. Some of the hanger lengths exceeded 80 feet, and each hanger, 121/span, had to be individually fastened to the cable it supported. After we had installed the cables, Jupiter fastened steel corrugated decking panels to them for containment.

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563 Strasburg Road, Paradise, PA 17562
(717)687-9294 -- Fax: (717)687-9296 --Email

Click to enlarge	Since 1990, Harcon has installed its catenary cable/rolling scaffold system on hundreds of structures, from single-span, covered bridges to highway bridges over rail yards 100ft. wide. This method of access still outnumbers all the other methods we use lumped together. We've mechanized our cable installation and removal, and can handle 1/2" cables, the standard size for most catenary rigging cables, up to 2,200 ft. long.

Click to enlarge	Like the rest of our systems, we've had this system in all its variations reviewed and stamped by a Professional Engineer, including the rolling frames, railing systems, and cable configurations, terminations, and attachment hardware. In recent years, our firm has rigged catenary cables on several significant structures for bridge painters, including, in 1999, installing more than thirty miles of cable in less than ten weeks for Jupiter Painting on the Betsy Ross Bridge in Philadelphia. Also, in 1999, we rigged portions of the Delaware Memorial Twin Spans for Allied Painting.

In 2000, we installed cables for Jupiter Painting on two spans of the Strawberry Mansion Bridge, a steel deck truss arch bridge in Philadelphia. One of the more challenging projects we've undertaken, the job consisted of laying in and tensioning, a couple feet below the bottom chord arches, a series of 3/4" and 5/8" cables, supported vertically by 1/2" cable hangers draped over each floor beam. Some of the hanger lengths exceeded 80 feet, and each hanger, 121/span, had to be individually fastened to the cable it supported. After we had installed the cables, Jupiter fastened steel corrugated decking panels to them for containment.