Exterior Cladding Clause Samples

Exterior Cladding. Roof Finish (Flat Roof) Inappropriate There is no known wood product for this application. Walls above ground level Appropriate or Potentially Appropriate as an “Alternative Solution” Approach Exterior cladding, details, trims, etc., are permitted provided the interior surface of the wall assemblies are protected by a thermal barrier and the wall assembly satisfies the referenced test criteria for fire spread on exterior wall assemblies. Beyond that permitted by BCBC, exterior components such as wood cladding and soffit/trims could be supported with an 'alternative solution' approach' incorporating fire- retardant treated wood (FRTW) or exterior sprinkler protection strategies (where warranted). Wood materials on soffits could extend to exterior wood on main building elevations. Alternative solution strategies should consider the use of FRT wood products and/or automatic sprinkler protection. Exterior Windows Inappropriate Ability to clean and water/chemical resistance are paramount in this location. Curtain Wall Inappropriate There is no known wood product for this application. Exterior Doors and Screens Appropriate Wood doors and screens can be used in low traffic areas. Roof Accessories (parapet, cant strips, plywood backing) Appropriate Wood permitted Interior Partitions and Doors Partition Studding Inappropriate Not permitted by BCBC. Area of Usage Appropriateness Justification Interior Doors Appropriate for offices Inappropriate for Planned ORs and MDRD Framing, core and facing of door can be wood for locations not requiring greater than a 90 minute fire resistance rating. Wood doors in high metal cart and material transport traffic areas and high humidity areas like the clinical and MDRD areas would be inappropriate. Vertical Movement Stairs (Structural) Inappropriate Not permitted by BCBC. Stairs (treads, risers) Inappropriate Not permitted by BCBC. Guardrails Appropriate for non-exit stairs Wood can be used in these locations where there is a low to medium risk of impact. Handrails Appropriate Wood permitted. Fittings and Equipment Hardwood Floor Inappropriate Wood could be used in certain, non-clinical locations as a floor finish; this would be limited to high end finished areas which are not subject to low acoustic or high usage requirements. Building code requirements would have to be met. Ceiling Tiles Appropriate Wood could be used in ceiling tiles for aesthetic requirements in certain, non-clinical areas within the building provided that the...