Mechanical appliances, equipment and systems shall be constructed and installed in accordance with this chapter, the International Mechanical Code (IMC) and the International Fuel Gas Code (IFGC). Masonry chimneys, fireplaces and barbecues shall comply with the IMC and Chapter 21 of this code.
Exception: This code shall not govern the construction of water heaters, boilers and pressure vessels to the extent which they are regulated by the Virginia Boiler and Pressure Vessel Regulations (16VAC25-50). However, the building official may require the owner of a structure to submit documentation to substantiate compliance with those regulations.
Heating facilities shall be required in every enclosed occupied space in nonresidential structures. The heating facilities shall be capable of producing sufficient heat during the period from October 1 to May 15 to maintain a temperature of not less than 65°F (18°C) during all working hours. The required room temperature shall be measured at a point 3 feet (914 mm) above the floor and 3 feet (914 mm) from the exterior walls.
Processing, storage and operation areas that require cooling or special temperature conditions and areas in which persons are primarily engaged in vigorous physical activities are exempt from these requirements.
The following changes shall be made to the IMC:
MINIMUM VENTILATION RATES
|OCCUPANCY CLASSIFICATION||OCCUPANT DENSITY #/1000 ft2 a||PEOPLE OUTDOOR AIRFLOW RATE IN BREATHING ZONE, Rp CFM/PERSON||AREA OUTDOOR AIRFLOW RATE IN BREATHING ZONE, Ra CFM/FT2a||EXHAUST AIRFLOW RATE Cfm/ft2a|
|Food and beverage service|
|Bars or cocktail lounges designated as an area where smoking is permittedb||100||30||—||—|
|Cafeteria or fast food designated as an area where smoking is permittedb||100||20||—||—|
|Dining rooms designated as an area where smoking is permittedb||70||20||—||—|
|Lounges designated as an area where smoking is permittedb||100||30||—||—|
|Medical procedure roomsi||20||15||—||—|
|Physical therapy roomsi||20||15||—||—|
The following changes shall be made to the IFGC:
ANSI LC1/CSA 6.26—18:
Fuel Gas Piping systems using Corrugated Stainless Steel Tubing (CSST)
310.1 310.1.1 403.5.4
Outline of Investigation for Pollution Control Units for Commercial Cooking