90 degree vertical inside bend cable ladder sections shall be Middle Atlantic Products model # CLB-VI90-W18. Ladder sections shall be 18" wide x 15.5” long x 1.5” thick, rungs shall be 1” x .5” x 11.25”. Ladder bend section shall have 4 rungs on 4.8” centers. Bend section shall be constructed of ASTM A570 structural steel finished in a durable black powder coat. Each CLB series ladder section shall be individually boxed. CLB-V190-W18 shall have up to 187 lb. weight capacity per foot based on a 4 ft. support span. Cable ladder shall comply with the requirements of RoHS EU Directive 2002 / 95 / EC. Cable ladder shall be classified by UL in the US and Canada. Cable ladder shall be GREENGUARD Gold Certified. Cable ladder shall be manufactured by an ISO 9001 and ISO 14001 Registered Company. Cable ladder shall be warrantied to be free from defects in material and workmanship under normal use and conditions for the lifetime of the product.