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HomeMy WebLinkAboutHVAC (exhaust hood) #O1-2921-0210 (02/25/2010) City of Oshkosh (°11-111111111/FD1114 Division of Inspection Services 215 Church Avenue PO Box 1130 ^f Oshkosh WI 54903 -1130 WfN www.ci.oshkosh.wi.us ON THE WATER February 25, 2010 Richard Jacklin Just Service Inc P.O. Box 363 Franksville, WI 53126 Oshkosh Theaters Corp 100 E Wisconsin Ave. Milwaukee, WI 53202 -4108 Site: Plan Number: 01- 2921 -0210 Marcus Theater 340 S Koeller St. Oshkosh WI 54902 For: Description: Popcorn exhaust hood system. Object Type: Hood Only The submittal described above has been reviewed for conformance with applicable Wisconsin Administrative Codes and Wisconsin Statutes. The submittal has been CONDITIONALLY APPROVED. The owner, as defined in Chapter 101.01(10), Wisconsin Statutes, is responsible for compliance with all code requirements Key Item(s) / Conditions: • A copy of the revised HVAC Notes from the designer that were submitted via email on 2/22/2010 after having been provided with a draft copy of this plan review letter are attached to this review letter. While some of the items have been addressed, a number of items were simply cut and pasted from the draft copy of the review letter the designer was provided with and little additional information as to how the installation would be done to comply with theses requirements was provided. • On Sheet M1.0 of plans submitted item number 3 under ductwork refers to ILHR 64.67. ILHR became COMM in the year 1999, and there is no matching code section in the current State of Wisconsin Building code. Current Code COMM 64 adopts the IMC (International Mechanical Code) specifically sections 506 and 507 covering installation of ductwork for commercial hoods. • IBC 906.1 / IFC 904.11.5 Portable fire extinguisher must be located within 30 feet of travel distance of a commercial -type cooking equipment. Per IFC 906.4 Fire extinguishers provided for the protection of cooking grease fires shall be compatible with the automatic fire extinguishing system agent in accordance with section 904.11.5. Verify that the required portable fire extinguisher is installed as required by these code sections due to cooking equipment being installed • IMC 509.1 An approved automatic fire suppression system complying with the IBC and IFC is required for this hood installation. • IBC [F] 904.11.2 System interconnection. The actuation of the fire suppression system shall automatically shut down the fuel or electrical power supply to the cooking equipment. The fuel and electrical supply reset shall be manual. I: \Inspections \Plan Revia:v\2010\01 -2924 -0210 340 S Moeller St TTood Onlv.doc Page 1 of 3 • IMC 507.2.1.1 Operation. Type I hood systems shall be designed and installed to automatically activate the exhaust fan whenever cooking operations occur. The activation of the exhaust fan shall occur through an interlock with the cooking appliances, by means of heat sensors or by means of other approved methods. Plans do not address this issue, provide code compliant installation • IMC 506.3.1.1 Grease duct materials. Grease ducts serving Type I hoods shall be constructed of steel not less than 0.055 inch (1.4 mm) (No. 16 Gage) in thickness or stainless steel not less than 0.044 inch (1.1 mm) (No. 18 Gage) in thickness. Plans do not specify duct construction /material, verify that this code section is complied with. • IMC 506.3.10 Grease duct enclosure. Exceptions: 1. The shaft enclosure provisions of this section shall not be required where a duct penetration is protected with a through - penetration firestop system classified in accordance with ASTM E 814 and having an "F" and "T" rating equal to the fire- resistance rating of the assembly being penetrated and where the surface of the duct is continuously covered on all sides from the point at which the duct penetrates a ceiling, wall or floor to the outlet terminal with a classified and labeled material, system, method of construction or product specifically evaluated for such purpose, in accordance with ASTM E 2336. Exposed ductwrap systems shall be protected where subject to physical damage. Be Aware that with the adoption of the 2006 IMC and this code referencing ASTM E 2336, many duct wrap systems now require two layers to meet the allow for reduced clearance to combustibles. Also address the protection of any non - listed clean out access panels Per email from designer on 2/23/2010 Fyewrap Elite 1.5 duct insulation - Grease Duct ASTM E2336 System details will be utilized Verb that all details of this system are complied with. • 507.12 Canopy size and location. The inside lower edge of canopy -type Type I and II commercial hoods shall overhang or extend a horizontal distance of not less than 6 inches (152 mm) beyond the edge of the top horizontal surface of the appliance on all open sides. The vertical distance between the front lower lip of the hood and such surface shall not exceed 4 feet (1219mm). Plans submitted do not include dimensions of cooking equipment and hood layout. Verify that the required overhang will exist when equipment is placed under the hood • IBC 1604.4 Analysis. Any system or method of construction to be used shall be based on a rational analysis in accordance with well - established principles of mechanics. Such analysis shall result in a system that provides a complete load path capable of transferring loads from their point of origin to the load - resisting elements. Plans do not include any information on framing of any new openings required for ductwork. Should any framing of openings be required framing details showing proper load transfer will be required to be submitted. • Comm 61.31(4) Revisions to approved plans. All proposed revisions and modifications which involve rules under this code and which are made to construction documents that have previously been granted approval by the department or its authorized representative, shall be submitted to the office that granted the approval. All revisions and modifications to plans shall be approved in writing by the department or its authorized representative prior to the work involved in the revision or modification being carried out. A revision or modification to a plan, drawing or specification shall be signed and sealed in accordance with Comm 61.31(1). SUBMIT: • Prior to installation provide cut sheets for grease duct wrap being used. • Prior to installation provide additional information detailing how exhaust and make -up air, cooking equipment, and fire suppression system will be interlocked as required by the above reference code section. • IMC 403.3.4 Balancing. Ventilation systems shall be balanced by an approved method. Such balancing shall verify that the ventilation system is capable of supplying the airflow rates required by Section 403. Balancing report required to be submitted prior to final occupancy being allowed • Comm 61.50 (4) Supervision. Prior to the initial occupancy of an alteration the supervising professional shall file a compliance statement form SBD -9720 with this office. I:\!nspections\Plan Review, '2010\ 340 S Koeller St flood On1).doc Page 2 of 3 A copy of the approved plans, specifications, and this letter shall be on -site during construction. All permits are required to be obtained prior to commencement of work. In granting this approval the City of Oshkosh Inspection Services Department reserves the right to require changes or additions should conditions arise making them necessary for code compliance. As per state stats 101.12(2), nothing in this review shall relieve the designer of the responsibility for designing a safe building, structure, or component. Inquiries concerning this correspondence may be made to me at the number listed below or the address on this letterhead. Res r ly, Brian Noe Building Systems Consultant (920) 236 -5051 Monday — Friday 7:30 A.M. to 8:30 A.M and 12:30 A.M to 1:30 P.M. bnoe @ci.oshkosh.wi.us cc: Property file Fee Required $ 250.00 Fee Received $ 0.00 Balance Due $ 250.00 I.\ InspectionsiPlan Review\2010 \01- 2924 -0210 340 S Koeller St Ilood Onlv-.doc Page 3 of 3 OSHKOSH THEATER - POPCORON HOOD INSTALLATION at 340 S. Koeller St. Oshkosh, WI by JUST SERVICE, INC PO Box 363 Franksville, Wisconsin 53126 (262) 886 -2365 February 10, 2010 HVAC NOTES: Codes and Permits: 1. All work shall conform with all state and local codes. HVAC Contractor shall secure and pay for any required permits and plan approvals as may be necessary for completion of this project. Shop Drawings and O &M Manuals: 1. HVAC Contractor shall submit 6 copies of shop drawings and wiring diagrams for all equipment purchased to engineer for approval. HVAC Contractor shall also submit 3 complete bound sets of operation & maintenance manuals to owner upon completion of work. Contractor shall instruct owner's representative as to proper operation and maintenance of HVAC systems. 2. 507.12 Canopy size and location. The inside lower edge of canopy -type Type I and II commercial hoods shall overhang or extend a horizontal distance of not less than 6 inches (152 mm) beyond the edge of the top horizontal surface of the appliance on all open sides. The vertical distance between the front lower lip of the hood and such surface shall not exceed 4 feet (1219mm). There is NO cooking equipment in this installation. This system is designed to vent two popcorn poppers. Hood is designed to overhang these two poppers by the above dimensions. Record Drawings: 1. Contractor shall provide 3 complete sets of record drawings at completion of project for owners use. Drawings shall be provided in Autocad format on CD as well as hard copies. Air Balancing and Cleaning: 1. IMC 403.3.4 Balancing. Ventilation systems shall be balanced by an approved method. Such balancing shall verify that the ventilation system is capable of supplying the airflow rates required by Section 403. Balancing report required to be submitted prior to final occupancy being allowed. 2. Comm 61.50 (4) Supervision. Prior to the initial occupancy of an alteration the supervising professional shall file a compliance statement Form SBD -9720 with this office. 3. The Mechanical Contractor shall make the adjustments of all air handling and hydraulic equipment. These adjustments are to be made in cooperation with and as directed by the engineer. 4. Submit (3) three copies of a complete report to the engineer for approval. Report shall contain equipment specifications, design and actual conditions for all itemized equipment, all grilles, registers and diffusers, all fan RPM's and all voltage characteristics for motor driven equipment. Ductwork: 1. All ductwork shall be sheet metal and shall conform with the latest edition of ASHRAE & SMACNA standards. All ductwork shall also be sealed to meet Class A requirements (all transverse joints). All outside ductwork as well as ductwork located in unconditioned spaces shall meet Class C requirements. Provide a manual lockable volume damper at each inlet or outlet whether shown on plan or not. 2. Access Doors shall be as manufactured by Safe Air or approved equal. Access doors shall be of sizes as indicated on drawings. Access doors on insulated ductwork shall be Safe Air Model SAH -2G. Access doors on non - insulated ductwork shall be constructed of 18 gauge sheet metal fastened to adjacent ductwork with sheet metal screws on 1" centers. 3. All popcorn Hoods and Ductwork shall comply with Department of Commerce sections 506 and 507 of the Wisconsin Administrative Code. All exhaust ducts from hoods shall be constructed of and supported by steel not ligher than No 16 U.S. standard gauge or stainless steel not lighter than No.18 U.S. standard gauge . All seams and joints shall be liquid tight. Accessable clean-out openings at the sides of ducts shall be provided at each change of direction for inspection and cleaning. Insulate all hood exhaust ductwork with two layers of approved firewrap insulation installed per manufacturers specifications capable of withstanding flue temperatures of 1000 deg F. Install insulation with weld pins. Pins to be 12" on center longitudinally, and 9" on center in the transverse direction. Butt all edges of insulation firmly together, and seal with 3" tape per manufacturers specifications. 4. IMC 506.3.10 Grease duct enclosure. Exceptions: 1. The shaft enclosure provisions of this section shall not be required where a duct penetration is protected with a through- penetration firestop system classified in accordance with ASTM E 814 and having an "F" and "T" rating equal to the fire- resistance rating of the assembly being penetrated and where the surface of the duct is continuously covered on all sides from the point at which the duct penetrates a ceiling, wall or floor to the outlet terminal with a classified and labeled material, system, method of construction or product specifically evaluated for such purpose, in accordance with ASTM E 2336. Exposed ductwrap systems shall be protected where subject to physical damage. This system passes through no fire rated partitions or shafts. Total offset of duct is less than 6 feet. A single duct clean out panel and corresponding drywall access door will be provided for this above ceiling clean out panel. GENERAL ITEMS: 1. IBC 906.1 / IFC 904.11.5 Portable fire extinguisher must be located within 30 feet of travel distance of a commercial-type cooking equipment. Per IFC 906.4 Fire extinguishers provided for the protection of cooking grease fires shall be compatible with the automatic fire extinguishing system agent in accordance with section 904.11.5. 2. IMC 509.1 An approved automatic fire suppression system complying with the IBC and IFC is required for this hood installation. See separate plans for this system. TEMPERATURE CONTROLS: New Roof Exhaust Fan Serving Popcorn Hood: Roof exhaust fan shall be controlled from an "on -off' switch. Switch located on hood. In Off Position: Fan and popcorn poppers shall be "OFF ". In "ON" Position: Fan shall be interlocked with both popcorn popper operation and Lobby RTU operation, so fan is "ON" when popcorn poppers are on and RTU is "ON ". IBC [F] 904.11.2 System interconnection: The actuation of the fire suppression system shall automatically shut down the fuel or electrical power supply to the cooking equipment. The fuel and electrical supply reset shall be manual. IMC 507.2.1.1 Operation: Type I hood systems shall be designed and installed to automatically activate the exhaust fan whenever cooking operations occur. The activation of the exhaust fan shall occur through an interlock with the cooking appliances, by means of heat sensors or by means of other approved methods.