Indiana Administrative Code
Title 675 - FIRE PREVENTION AND BUILDING SAFETY COMMISSION
Article 18 - MECHANICAL CODE
Rule 1.6 - 2014 Indiana Mechanical Code
Section 1.6-6 - Chapter 5; exhaust systems

Universal Citation: 675 IN Admin Code 1.6-6

Current through March 20, 2024

Authority: IC 22-13-2-2

Affected: IC 22-12-7; IC 22-13; IC 22-14; IC 36-8-17

Sec. 6.

(a) Amend Section 501.1 by adding after "Section 502" "within the scope of Section 101.2".

(b) Amend Section 502.4, Exception by adding the following text Lithium-ion "and lithium metal polymer" batteries shall not require "additional" ventilation "beyond that which would normally be required for human occupancy of the space.".

(c) Delete 502.8.1.1 (4) in its entirety.

(d) Amend Section 504.6.4 by adding at the end of the last sentence "or 504.6.4.3".

(e) Add Section 504.6.4.3, Engineered Exhaust System to read as follows: Clothes dryer exhaust ducts that utilize an engineered exhaust system designed by a registered design professional shall be an accepted design method. Engineering documentation shall be made available to the code official.

(f) Amend the first sentence in Section 506.3.11 by inserting "fire resistance" after "penetrates a". Amend the last sentence by deleting "506.3.10.1, 506.3.10.2, 506.11.2 and 506.3.10.3" and inserting "506.11.1, 506.11.2 or 506.11.3".

(g) Amend Section 506.3.11.2 by deleting "1497" after UL and inserting "1479".

(h) Amend Section 506.5.5 by deleting "506.3.12" and inserting "506.3.13".

(i) Amend Section 507.1, Exception 2, by deleting the text of the second sentence in its entirety and inserting the fiillowing: The heat and moisture loads from such appliances shall be accounted for in the building HVAC design.

(j) Amend Section 507.2 by inserting "and Table 507.2" after "507.2.2".

(k) Add Table 507.2, Type 1 Exhaust Hoods - When Required:

Table 507.2 Type 1 Exhaust Hoods - When Required

Appliance Type Type I Hood Required? Reference
LIGHT-DUTY COOKING APPLIANCE. Light-duty cooking appliances include gas and electric ovens (including standard, bake, roasting, revolving, retherm, convection, combination convection/steamer, countertop conveyorized baking/finishing, deck and pastry), electric and gas steam-jacketed kettles, electric and gas pasta cookers, electric and gas compartment steamers (both pressure and atmospheric) and electric and gas cheesemelters. Only if the device produces grease or smoke, and the exception to 507.2.1 does not apply. 507.2.1
MEDIUM-DUTY COOKING APPLIANCE. Medium-duty cooking appliances include electric discrete element ranges (with or without oven), electric and gas hot-top ranges, electric and gas griddles, electric and gas double-sided griddles, electric and gas fryers (including open deep fat fryers, donut flyers, kettle flyers and pressure flyers), electric and gas conveyor pizza ovens, electric and gas tilting skillets (braising pans) and electric and gas rotisseries. Yes, unless the exception to 507.2.1 applies. 507.2.1
HEAVY-DUTY COOKING APPLIANCE. Heavy-duty cooking appliances include electric under-fired broilers, electric chain (conveyor) broilers, gas under-fired broilers, gas chain (conveyor) broilers, gas open-burner ranges (with or without oven), electric and gas wok ranges, and electric and gas over-fired (upright) broilers and salamanders. Yes, unless the exception to 507.2.1 applies. 507.2.1
EXTRA-HEAVY-DUTY COOKING APPLIANCE. Extta-heavy-duty cooking appliances include appliances utilizing solid fuel such as wood, charcoal, briquettes, and mesquite to provide all or part of the heat source for cooking. Yes. In addition, these devices must be under their own Type I hood system, and exhaust independently of other exhaust systems. 507.2.1 507.2.4
DOMESTIC COOKING APPLIANCES Yes, if used in a Retail Food Service Establishment and the device produces grease or smoke. 507.2.3

(l) Amend Section 507.2.1 as follows:

(1) Before "Exception" insert "1".

(2) Delete the words "electric" and "approved".

(3) Add Exception 2 to read as follows: Exception 2: Conveyor type pizza ovens not used to cook "raw fatty proteins" such as bone-in, skin-on chicken, raw hamburger, raw bacon, raw sausage, raw steaks, and similar items.

(m) Amend Section 507.2.3 by adding an exception to read as follows: Exception:

(1) Domestic cooking appliances used only for warming or cooking that does not produce grease or smoke as a result of the cooking process shall not require a Type 1 hood.

(n) Amend Section 507.11 by adding a second paragraph to read as follows: Mesh filters shall not be used.

(o) Amend Section 510.6.3 by deleting the sentence after the word "terminal", "except where the interior of the duct is equipped with an approved automatic fire suppression system" and adding the following exceptions:

Exception:

1. Where the interior of the duct is equipped with an approved automatic fire suppression system.

2. Galvanized steel ducts per Section 510.8 that penetrate required fire-resistance rated walls of one-hour or less, in other than a group H occupancy, when the building is equipped throughout with an automatic sprinkler system in accordance with the Indiana Building Code Section 903.3.1.

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