for inspection, service, repair and replacement without removing permanent construction or any other ducts not connected to the damper being inspected, serviced, repaired or replaced. Exception: In a single-family dwelling, make-up air is not required for range hood exhaust systems capable of exhausting: (a) Four hundred cubic feet per minute or less; or (b) More than 400 cubic feet per minute but no more than 800 cubic feet per minute if there are no gravity vent appliances within the conditioned living space of the structure. CHAPTER 16, DUCT SYSTEMS [No change] CHAPTER 17, COMBUSTION AIR [No change] CHAPTER 18, CHIMNEYS AND VENTS [No change] CHAPTER 19, SPECIAL APPLIANCES, EQUIPMENT AND SYSTEMS [No change] CHAPTE 20, BOILERS AND WATER HEATERS [No change] CHAPTER 21, HYDRONIC PIPING [No change] CHAPTER 22, SPECIAL PIPING AND STORAGE SYSTEMS [No change] CHAPTER 23, SOLAR ENERGY SYSTEMS Section M2301.2.2.1 Roof mounted collectors. Revise section to read as shown: M2301.2.2.1 Roof-mounted collectors. The roof shall be constructed to support the loads imposed by roof-mounted solar collectors. Roof-mounted solar collectors that serve as a roof covering shall conform to the requirements for roof coverings in Chapter 9 HVHZ shall (the comply with Chapter 44) of this code. Where mounted on or above the roof coverings, the
for inspection, service, repair and replacement without removing permanent construction or any other ducts not connected to the damper being inspected, serviced, repaired or replaced. Exception: In a single-family dwelling, make-up air is not required for range hood exhaust systems capable of exhausting: (a) Four hundred cubic feet per minute or less; or (b) More than 400 cubic feet per minute but no more than 800 cubic feet per minute if there are no gravity vent appliances within the conditioned living space of the structure. CHAPTER 16, DUCT SYSTEMS [No change] CHAPTER 17, COMBUSTION AIR [No change] CHAPTER 18, CHIMNEYS AND VENTS [No change] CHAPTER 19, SPECIAL APPLIANCES, EQUIPMENT AND SYSTEMS [No change] CHAPTE 20, BOILERS AND WATER HEATERS [No change] CHAPTER 21, HYDRONIC PIPING [No change] CHAPTER 22, SPECIAL PIPING AND STORAGE SYSTEMS [No change] CHAPTER 23, SOLAR ENERGY SYSTEMS Section M2301.2.2.1 Roof mounted collectors. Revise section to read as shown: M2301.2.2.1 Roof-mounted collectors. The roof shall be constructed to support the loads imposed by roof-mounted solar collectors. Roof-mounted solar collectors that serve as a roof covering shall conform to the requirements for roof coverings in Chapter 9 (the HVHZ shall comply with Chapter 44) of this code. Where mounted on or above the roof coverings, the