Chapter 15.07 CALIFORNIA MECHANICAL CODE* This chapter is included in your selections. Sections: 15.07.010 Adoption. 15.07.020 Deletions. 15.07.030 Modifications. 15.07.040 Section 303.7 amended—LPG appliances. 15.07.050 Section 507.2 amended—Clearances for Type I hood. *Prior ordinance history: Ords. 4472 and 4637.