Highlight of important changes in the 2010 Florida Building Code, Mechanical

Note: Text highlighted in blue represent Florida specific changes.

Text highlighted in black represent ICC specific changes.

Chapter 1: Administration (No highlight changes)

Chapter 2: Definitions

Revise the following definitions: Air conditioning, Air distribution system,

Chapter 3: General Regulation

301.13 – Revise flood provisions to reference Section 1612.4 of the FBC, Building.

304.6 – Revise criteria for appliance installation in public garages.

304.10 – Revise criteria for clearance from grade for appliances.

306.5 – Revise access criteria for equipment and appliances on roof or elevated structures.

307.2.2/Table 307.2.2 – Add new criteria for condensate drain sizing.

Chapter 4: Ventilation

401.1 – Clarify the applications of ventilation and exhaust systems.

401.4 – Revise Section to reference 1612.4 of the FBC, Building.

401.5 – Revise intake opening protection to reference AMCA 550.

402.3.1 – Delete provisions for bathrooms natural ventilation.

403 – Revise the criteria for mechanical ventilation.

403.3.1 – Revise the criteria for outdoor airflow.

403.3/Table 403.3 – Revise outdoor air flow rate/minimum ventilation rates.

403.3.2 – Revise criteria for system outdoor airflow.

Chapter 5: Exhaust Systems

501.1 - Clarify the applications of ventilation and exhaust systems.

501.2.1 – Revise flood provisions to reference section 1612.4 of the FBC, Building.

501.2.2 – Revise provisions for exhaust opening protection to reference AMCA Standard 550.

501.3 – Revise the criteria for pressure equalization to include R-2 occupancies.

504.6 – Revise the requirements for domestic clothes dryer ducts.

504.8 – Add new criteria for common exhaust systems for clothes dryers located in multi-story structures.

505.2 – Add new requirements for when makeup air is required.

506.3.8 – Revise the access criteria for grease duct cleanouts and other openings.

506.3.10 – Revise criteria for grease duct enclosures.

506.4.2 – Add new criteria for type II termination specific to Type II commercial kitchen hood exhaust.

507.2.1/507.2.2 – Clarify the requirements for Type I and Type II hoods.

507.9 – Clarify clearances for Type I Hood.

Chapter 6: Duct Systems

602.4 – Revise provisions for flood hazard to reference section 1612.4 of the FBC, Building.

603 – This section was revised extensively for consistency with the FBC, Energy Conservation.

603.4.1 – Revise minimum fasteners requirements for metallic ducts.

606.4.1 – Clarify the requirements for supervision of smoke detection system.

607.5 – Revise the requirements for dampers for duct and air transfer openings.

Chapter 7: Combustion Air

701.1 – Section deleted.

Chapter 8: Chimneys and Vents

801.18.4/801.18.4.1/801.20 – Clarify the requirements for chimneys and vents.

Chapter 9: Specific Appliances, Fireplaces, and Solid Fuel-Burning Equipment

918.6 – Revise prohibited sources of outdoor or return air for forced-air warm air furnaces.

Chapter 10: Boilers, Water Heaters and Pressure Vessels

1003.1 – Revise provision to reference ASME Boiler and Pressure Vessel Code for consistency with the IMC.

Chapter 11: Refrigeration

1101.10 – Add requirements for locking access port caps.

Table 1103.1 – Revise refrigerant classification.

1104.2.2 – Revise the criteria for when machinery rooms are not required.

1107.2 – Add criteria for refrigerant piping locations.

Chapter 12: Hydronic Piping

1201.2/Table 1202.4/1202.5/1203.16/1203.17/1203.18/1203.19 – Add new criteria for design and installation of hydronic piping systems.

1209.5 – Add requirements for thermal barrier specific to hydronic radiant floor heating systems.

Chapter 13: Fuel Oil Piping and Storage (No highlight changes)

Chapter 14: Solar Systems (No highlight changes)

Chapter 15: Referenced Standards (No highlight changes)