BR Bumper Rails: Factory- or shop-fabricated, with preformed end caps and internal and external corners: 1. Basis of Design Product: Construction Specialties, Inc; SCR-50MN. 2. Performance of Installed Assembly: 3. Material: Polyethylene terephthalate (PET or PETG); PVC-free, color as indicated in the Finish Materials List on the drawings. 4. a. Support vertical live load of 100 lb/lineal ft (1,400 N/m) with deflection not to exceed 1/50 of span between supports. b. Resist lateral force of 250 lbs (1112 N) at any point without damage or permanent set. Surface Burning Characteristics: Provide assemblies with flame spread index of 25 or less and smoke developed index of 450 or less, when tested in accordance with ASTM E84. 5. Mounting: Surface.
