Mini JOMY® : Specification Guide
Retractable ladders: All retractable ladders as shown on architects drawings shall be the Mini-JOMY® Retractable Ladder as supplied by JOMY®, Inc., Louisville, CO. in sizes per plans and specifications (or Model No._____ ) or the equivalent. All ladders shall be made from extruded anodized aluminum with rungs pivoting on stainless steel pins and nylon bushings. Ladders shall have a minimum overall width of 20 1/2 inches with a ribbed, slip-resistant top surface. All ladders shall be counter-weighted with stainless steel springs to insure ease of closing and must lock on closing to prevent unauthorized access.
Composition and Materials: Fixed and mobile vertical ladder stiles to be of extruded aluminum sections formed from 6063-T6 alloy. Non-slip tubular rungs are to be formed from 6005-T5 and T6 alloy. Pivot pins, counter-weighting springs, attachment bolts and base plate are to be of stainless steel. Ladder is connected to the structure with U-shaped brackets of 6063-T6 aluminum alloy and custom expansion bolts (supplied) or lag bolts.