Section R328: Section R328, Wildfire Hazard Areas, is added to read:
R328.1 Wildfire Hazards defined. Areas that have
a wildfire hazard rating of medium or above (as shown on the Mesa
County Wildfire Hazard Map).
R328.2 Roof Covering. Roof coverings for new buildings
or structures or additions thereto or roof covering utilized for re-roofing,
shall be Class A or B, tested in accordance with ASME E108 or UL790
or an approved noncombustible roof covering. For roof coverings where
the profile allows a space between the roof covering and roof decking,
the space at the eave ends shall be fire stopped to preclude entry
of flames or embers or have one layer of 72-pound (32.4 kg) mineral-surfaced,
non-perforated cap sheet complying with ASTM D3909 installed over
the combustible decking.
R328.3 Roof Valleys. Roof valleys where provided,
valley flashings shall be not less than 0.019-inch (0.44 mm) (No.
26 galvanized sheet gage) corrosion-resistant metal installed over
a minimum 36-inch-wide (914 mm) underlayment consisting of one layer
of 72-pound (32.4 kg) mineral-surfaced, non-perforated cap sheet complying
with ASTM D3909 running the full length of the valley.
R328.4 Attic. Ventilation openings are not permitted
within ten feet of finished grade.
R328.5 Reserved.
R328.6 Moved Buildings. Any building or structure
moved within or into any Wildfire Hazard Area shall be made to comply
with all the requirements for new buildings in the Wildfire Area.
R328.7 Replacement or repairs to buildings or structures
in existence prior to the adoption of this code that are replaced
or have 25 percent or more replaced in a 12-month period shall meet
the requirements of this section for new construction.