Furnace, Boiler, & Air-Conditioner - Commercial

1. Building Application for Permit
   Provide Building Application for Permit that includes: site address, description of work, contractor(s), the total cost of work to be performed, permit applicant contact information, etc.
2. Contractor Registration Requirements
   
   Please see Contractor Registration Requirements.
3. Product Information Sheets
   Provide two (2) copies of the manufacturer’s product information for the furnace, boiler, and/or air conditioner.
4. Heat/Loss Calculation (For Steam Boiler Installations)
   Provide a “Heat/Loss Calculation” prepared by a licensed professional.
5. Mechanical Comcheck
   To demonstrate that the HVAC unit(s) meet the State of Illinois Energy Code, provide an original signed and sealed Mechanical ComCheck Energy Compliant document. The most current version of the Department of Energy ComCheck is available at http://www.energycodes.gov/comcheck/.

1. Structural Roof Framing Detail
   Provide two (2) copies of the structural plans of the roof framing for any new installation of a rooftop unit. When replacing an existing rooftop unit, structural plans of the roof framing are only required when the weight of the replacement unit is significantly greater than the former rooftop unit.
2. Street Occupancy Permit (If the Staging Area is in the City Right-of-Way)
   Provide Engineering Application for Permit along with information of staging area to include: schedule of work, type, and the number of barricades, number, and location of parking spaces to be occupied, etc.

Please address each item below as "Applicable" or "Not Applicable". Attach applicable documentation as needed.

The information is based on the International Building Code 2018 edition, International Mechanical Code 2018 Edition, and other applicable NFPA Standards.

1. 125-volt, single-phase, 15- or 20-ampere-rated receptacle outlet shall be installed at an accessible location for the servicing of heating, air-conditioning, and refrigeration equipment. The receptacle shall be located on the same level and within 7.5 m (25 ft) of the heating, air conditioning, and refrigeration equipment. The receptacle outlet shall not be connected to the load side of the equipment disconnecting means.
   Informational Note: See 210.8 for ground-fault circuit interrupter requirements.
   NFPA 70 2017 Edition 210.63
2. Smoke detectors shall be installed in return air systems with a design capacity greater than 2,000 cfm (0.9 m3/s), in the return air duct or plenum upstream of any filters, exhaust air connections, outdoor air connections, or decontamination equipment and appliances. Exception: Smoke detectors are not required in the return air system where all portions of the building served by the air distribution system are protected by area smoke detectors connected to a fire alarm system in accordance with the International Fire Code. The area smoke detection system shall comply with Section 606.4.
   International Mechanical Code 2018 Edition 606.2.1
3. Ducts that penetrate fire-resistance-rated assemblies without dampers. Ducts that penetrate fire resistance-rated walls and are not required by this section to have fire dampers shall comply with the requirements of Sections 714.3 through 714.4.3 of the International Building Code. Ducts that penetrate horizontal assemblies not required to be contained within a shaft and not required by this section to have fire dampers shall comply with the requirements of Section 714.5 of the International Building Code.
   International Mechanical Code 2018 Edition 607.1.2
   Ducts that penetrate non-fire-resistance-rated assemblies. The space around a duct penetrating a non-fire-resistance-rated floor assembly shall comply with Section 717.6.3 of the International Building Code.
   International Mechanical Code 2018 Edition 607.1.2.1
4. Duct systems constructed of approved materials in accordance with the International Mechanical Code that penetrate non-fire-resistance-rated floor assemblies shall be protected by any of the following methods:
   1. A shaft enclosure in accordance with Section 713.
   2. The duct connects not more than two stories, and the annular space around the penetrating duct is protected with an approved noncombustible material that resists the free passage of flame and the products of combustion.
   3. In floor assemblies composed of noncombustible materials, a shaft shall not be required where the duct connects not more than three stories, the annular space around the penetrating duct is protected with an approved noncombustible material that resists the free passage of flame and the products of combustion and a fire damper is installed at each floor line.
      Exception: Fire dampers are not required in ducts within individual residential dwelling units.
      International Building Code 2018 Edition 717.6.3
      Flexible ducts and air connectors shall not pass through any fire-resistance-rated assembly. Flexible air connectors shall not pass through any wall, floor, or ceiling.
      International Building Code 2018 Edition 717.7
      Flexible air ducts, both metallic and nonmetallic, shall comply with Sections 603.6.1, 603.6.1.1, 603.6.3, and 603.6.4. Flexible air connectors, both metallic and nonmetallic, shall comply with Sections 603.6.2 through 603.6.4.
      603.6.1 Flexible air ducts. Flexible air ducts, both metallic and nonmetallic, shall be tested in accordance with UL 181. Such ducts shall be listed and labeled as Class 0 or Class 1 flexible air ducts and shall be installed in accordance with Section 304.1.
      603.6.1.1 Duct length. Flexible air ducts shall not be limited in length.
      603.6.2 Flexible air connectors. Flexible air connectors, both metallic and nonmetallic, shall be tested in accordance with UL 181. Such connectors shall be listed and labeled as Class 0 or Class 1 flexible air connectors and shall be installed in accordance with Section 304.1.
      603.6.2.1 Connector length. Flexible air connectors shall be limited in length to 14 feet (4267 mm).
      603.6.2.2 Connector Penetration Limitations. Flexible air connectors shall not pass through any wall, floor, or ceiling.
      603.6.3 Air temperature. The design temperature of air to be conveyed in flexible air ducts and flexible air connectors shall be less than 250ºF (121ºC).
      
      Flexible air ducts and air connectors shall be installed with a minimum clearance to an appliance as specified in the appliance manufacturer’s installation instructions.
      International Mechanical Code 2018 Edition 603.6-603.6.4
5. The building or structure shall not be weakened by the installation of mechanical systems. Where floors, walls, ceilings, or any other portion of the building or structure are required to be altered or replaced in the process of installing or repairing any system, the building or structure shall be left in a safe structural condition in accordance with the International Building Code.
   International Mechanical Code 2018 Edition 302.1

Provide the cut sheets of the weight of the existing and new units.

1. Fire and smoke dampers shall be provided with an approved means of access, large enough to permit inspection and maintenance of the damper and its operating parts. The access shall not affect the integrity of fire-resistance-rated assemblies. The access openings shall not reduce the fire-resistance rating of the assembly. Access points shall be permanently identified on the exterior by a label having letters not less than 0.5 inch (12.7 mm) in height reading: FIRE/SMOKE DAMPER, SMOKE DAMPER, or FIRE DAMPER. Access doors in ducts shall be tight-fitting and suitable for the required duct construction.
   International Mechanical Code 2018 Edition 607.4
2. Is an economizer proposed?
3. Roof-top units shall be screened from view. Please contact Jim Kozik at 630-260-2008 to determine if screening is required.
   Wheaton Zoning Code
4. Where equipment requiring access or appliances are located on an elevated structure or the roof of a building such that personnel will have to climb higher than 16 feet (4877 mm) above grade to access such equipment or appliances, an interior or exterior means of access shall be provided. Such access shall not require climbing over obstructions greater than 30 inches (762 mm) in height or walking on roofs having a slope greater than four units vertical in 12 units horizontal (33-percent slope). Such access shall not require the use of portable ladders. Where access involves climbing over parapet walls, the height shall be measured to the top of the parapet wall. Permanent ladders installed to provide the required access shall comply with the following minimum design criteria:
   1. The side railing shall extend above the parapet or roof edge not less than 30 inches (762 mm).
   2. Ladders shall have rung spacing not to exceed 14 inches (356 mm) on center. The uppermost rung shall be not greater than 24 inches (610 mm) below the upper edge of the roof hatch, roof, or parapet, as applicable.
   3. Ladders shall have a toe spacing not less than 6 inches (152 mm) deep.
   4. There shall be not less than 18 inches (457 mm) between rails.
   5. Rungs shall have a diameter not less than 0.75 inches (19.1 mm) and be capable of withstanding a 300-pound (136 kg) load.
   6. Ladders over 30 feet (9144 mm) in height shall be provided with offset sections and landings capable of withstanding 100 pounds per square foot (488 kg/m2). Landing dimensions shall be not less than 18 inches (457 mm) and not less than the width of the ladder served. A guardrail shall be provided on all open sides of the landing.
   7. Climbing clearance. The distance from the centerline of the rungs to the nearest permanent object on the climbing side of the ladder shall be not less than 30 inches (762 mm) measured perpendicular to the rungs. This distance shall be maintained from the point of ladder access to the bottom of the roof hatch. A minimum clear width of 15 inches (381 mm) shall be provided on both sides of the ladder, measured from the midpoint of and parallel with the rungs except where cages or wells are installed.
   8. Landing required. The ladder shall be provided with a clear and unobstructed bottom landing area having a minimum dimension of 30 inches (762 mm) by 30 inches (762 mm) centered in front of the ladder.
   9. Ladders shall be protected against corrosion by approved means.
   10. Access to ladders shall be provided at all times. Catwalks installed to provide the required access shall be not less than 24 inches (610 mm) wide and shall have railings as required for service platforms. Exception: This section shall not apply to Group R-3 occupancies.
       International Mechanical Code 2018 Edition 306.5
5. Condensate from all cooling coils and evaporators shall be conveyed from the drain pan outlet to an approved place of disposal. Such piping shall maintain a minimum horizontal slope in the direction of discharge of not less than one-eighth unit vertical in 12 units horizontal (1-percent slope). Condensate shall not discharge into a street, alley or other areas so as to cause a nuisance.
   International Mechanical Code 2018 Edition 307.2.1
6. Appliances installed in other than indoor locations shall be listed and labeled for outdoor installation.
   International Mechanical Code 2018 Edition 303.6
7. Additions, alterations, renovations, or repairs to a mechanical system shall conform to that required for a new mechanical system without requiring the existing mechanical system to comply with all of the requirements of this code. Additions, alterations, or repairs shall not cause an existing mechanical system to become unsafe, hazardous, or overloaded. Minor additions, alterations, renovations, and repairs to existing mechanical systems shall meet the provisions for new construction unless such work is done in the same manner and arrangement as was in the existing system, is not hazardous, and is approved.
   International Mechanical Code 2018 Edition 102.4
8. Provide information of staging (to include schedule of work) to determine if a street occupancy permit will be required.
9. To demonstrate that the HVAC unit(s) meet the State of Illinois Energy Code, you MUST use the most recent Department of Energy Comcheck version [at this time, the most current versions for “ALTERATIONS” are 90.1 (2016) Standard or 2018 IECC]. An original signed and sealed Mechanical Comcheck Energy Compliant document must be submitted at the time of permit application. http://www.energycodes.gov/comcheck/.
   
   OR
   Provide manufacturer’s product information sheet that shows the new unit is more efficient than the existing unit.
   International Energy Conservation Code 2018
10. Air intake openings shall comply with all of the following:
    1. Intake openings shall be located not less than 10 feet (3048 mm) from lot lines or buildings on the same lot.
    2. Mechanical and gravity outdoor air intake openings shall be located not less than 10 feet (3048 mm) horizontally from any hazardous or noxious contaminant source, such as vents, streets, alleys, parking lots, and loading docks, except as specified in Item 3 or Section 501.3.1. Outdoor air intake openings shall be permitted to be located less than 10 feet (3048 mm) horizontally from streets, alleys, parking lots, and loading docks provided that the openings are located not less than 25 feet (7620 mm) vertically above such locations. Where openings front on a street or public way, the distance shall be measured from the closest edge of the street or public way.
    3. Intake openings shall be located not less than 3 feet (914 mm) below contaminant sources where such sources are located within 10 feet (3048 mm) of the opening.
    4. Intake openings on structures in flood hazard areas shall be at or above the elevation required by Section 1612 of the International Building Code for utilities and attendant equipment.
       International Mechanical Code 2018 Edition 401.4
11. Where in contact with material or atmosphere exerting a corrosive action, metallic piping and fittings coated with a corrosion-resistant material shall be used. External or internal coatings or linings used on piping or components shall not be considered as adding strength. The city of Wheaton recommends painting the new gas piping yellow in color.
    International Mechanical Code 2018 Edition 403.8

1. Screening
   Roof-top units shall be screened from view. Screening shall be per the Wheaton Zoning Ordinance Article III Zoning Districts and General Regulations 3.4 General Regulations - C. Screening of Building Utility and Service Installations: Call the Planning & Zoning Department at 630-260-2008.
2. Testing of New, altered, extended, or repaired systems
   New mechanical systems and parts of existing systems that have been altered, extended, renovated, or repaired shall be tested as prescribed per code to disclose leaks or defects. Provide copies of the air balancing report that is specified in the project specifications and pressure test of all new gas piping installations, additions, and branches.
3. Certification of Boilers
   Pursuant to the Illinois State Statute, all boilers and pressure vessels with an input of 200,000 BTUs or larger are to be registered and inspected. Boilers or pressure vessels situated in locations that are frequented by the public need to be inspected. Boilers located in private residences or multi-family buildings having fewer than 6 dwelling units and no commercial office space(s) are exempt from inspection. For further information, please refer to the Office of the State Fire Marshal’s (Boiler and Pressure Vessel Safety) website.