(a) Exterior doors in habitable rooms that are directly exposed to aircraft noise shall be modified as follows:
(1) Hollow core or lightweight doors and doors with glazed openings shall be replaced with doors that have a minimum laboratory sound transmission class of at least STC thirty-five (35) dB.
(2) Solid core or heavy panel doors shall be fitted with a drop seal at the sill and vinyl bulb seals at the jambs and head.
(b) Exterior doors in habitable rooms that are not directly exposed to aircraft noise shall be modified as follows:
(1) Hollow core or lightweight doors and doors with glazed openings shall be replaced with doors that have a minimum laboratory sound transmission class of at least STC thirty (30) dB.
(2) Solid core or heavy panel doors shall be provided with weather-stripping at the sill, head and jambs.
(c) Access doors from a garage to a habitable room shall be replaced with a door and seals that have an STC rating of at least thirty (30) dB.
(d) Sliding glass doors in this noise zone shall be glazed with one-fourth (¼) inch safety glazing.
(§ 2, Ord. 2616, eff. June 20, 1996)