REVIEWED RESUB1 BLD2023-0532+ENERGY LETTER 5.15.2023_3.10.12_PM+3545574REVIEWE
BY (i6qftft
o
WALK-IN COOLERS AND FREEZERS ,
is
February 23, 2023 RESU B
May 15 2023 BLD2023-0532
CITY OF EDMONDS
DEVELOPMENT SERVICES
To Whom It May Concern: DEPARTMENT
Arctic Industries, LLC is in compliance with the following industry regulations:
• National Sanitation Foundation Standard for Commercial Refrigerators and Freezers (NSF
7/ANSI 7:2016)
• Underwriters Laboratory Standard for Commercial Refrigerators and Freezers (UL 471:2010
Ed.10)
• ASTM Standard for Building Materials with Surface Burn Characteristics Foam Plastic
Insulation (ASTM E84:2019a, UL 723:2018 Ed.11)
• International Building Code (IBC)
• Energy Independence and Security Act (EISA)
• 2018 International energy Conservation Code
• Department of Energy listed in CCMS database
• State of Oregon
• City of Houston
• Miami -Dade County Outdoor NOA approval walk-ins are specially constructed and available
when requested
The foam used in Arctic panels is CFC and HCFC free and complies with IBC Chapter 26. Section
2603.4.1.2 is satisfied when used with automatic sprinklers (by others) and a thermal barrier is
not required. Without sprinklers, 2603.4.1.3 is satisfied with 4" panel construction on a unit
that does not exceed 400 square feet with a thermal barrier (by others).
The inner core foam has been tested to ASTM E84 (UL 723) and is rated at <_25 flame spread and
<_450 smoke development.
Arctic walk-ins coolers and freezers are in compliance with the 2018 International energy
Conservation Code section C403.10.2:
1. Automatic door closers shall be provided that fully close walk-in doors that have been closed to within 1
inch (25 mm) of full closure. Exception: Closers are not required for doors more than 45 inches (1143 mm)
in width or more than 7 feet (2134 mm) in height
2. Doorways shall be provided with strip doors, curtains, spring -hinged doors or other method of minimizing
infiltration when the doors are open
3. Walls shall be provided with insulation having a thermal resistance of not less than R-25, ceilings shall be
provided with insulation having a thermal resistance of not less than R-25 and doors of walk-in
coolers and walk-in freezers shall be provided with insulation having a thermal resistance of not less than R-
32.
Exception: Insulation is not required for glazed portions of doors or at structural members associated with the
walls, ceiling or door frame.
4. The floor of walk-in freezers shall be provided with insulation having a thermal resistance of not less than R-
28.
5. Transparent reach -in doors for and windows in opaque walk-in freezer doors shall be provided with triple -
pane glass having the interstitial spaces filled with inert gas or provided with heat -reflective treated glass
6. Transparent reach -in doors for and windows in opaque walk-in cooler doors shall be double -pane heat -
reflective treated glass having the interstitial space gas filled.
7. Evaporator fan motors that are less than 1 hp (0. 7 46 kW) and less than 460 volts shall be electronically
commutated motors or 3-phase motors.
8. Condenser fan motors that are less than 1 hp (0. 7 46 kW) in capacity shall be of the electronically
commutated or permanent split capacitor -type or shall be 3-phase motors. Exception: Fan motors in walk-in
coolers and walk-in freezers combined in a single enclosure greater than 3,000 square feet (279 m2) in floor
area are exempt
9. Antisweat heaters that are not provided with antisweat heater controls shall have a total door rail, glass and
frame heater power draw not greater than 7.1 W/ft2(76 W/m2) of door opening for walk-in freezers, and
not greater than 3.0 W/ft2(32 W/m2) of door opening for walk-in coolers.
10. Antisweat heater controls shall be configured to reduce the energy use of the antisweat heater as a
function of the relative humidity in the air outside the door or to the condensation on the inner glass
pane
11. Light sources shall have an efficacy of not less than 40 lumens per Watt, including any ballast losses, or
shall be provided with a device that automatically turns off the lights within 15 minutes of when the walk-in
cooler or walk-in freezer was last occupied
Please let us know if you need any further information.
Warm regards,
Brian Murphy, Ph
Chief Executive Officer