0000001652 00000 n Minimum Shower Size and Clearances | Explained! Building scientists have known this for a long time. Copyright 2022 Building Code Trainer, All rights reserved. http://www.sfm.nebraska.gov/programs-services/plans/interpretations.html, http://www.sfm.nebraska.gov/programs-services/plans/codes.html, http://www.sfm.nebraska.gov/regulations/pdf/title153-ch1.pdf, http://publicecodes.cyberregs.com/icod/ifc/2009/icod_ifc_2009_19_sec003.htm. Looking for U.S. government information and services? IBC requires one means of egress when mezzanine floor areas serve less than 49 occupants. You must be a magazine subscriber to access this feature. 1101.7 Maintenance. For a better experience, please enable JavaScript in your browser before proceeding. It is all in play as egress is from ANY point in a building or structure. Note that IBC does not allow ships ladders and permanent ladders as a means of egress. Rates for Alaska, Hawaii, U.S. (N1103.6.1), If the air handler is the main fan for the whole-house ventilation system, the blower has to be powered by and electronically-commutated motor. 0000001133 00000 n You must log in or register to reply here. The means of egress for mezzanines shall comply with the applicable provisions of Chapter 10. First of all lets start off with the definition: A mezzanine is an intermediate level between the floor and ceiling of any story. Ventilation openings are not required where continuously operated mechanical ventilation is provided at a rate of 1.0 cubic foot per minute (cfm) for each 50 square feet (1.02 L/s for each 10 m 2) of crawl space floor area and the ground surface is covered with a Class I vapor retarder. In regards to the building code, mezzanines must comply in accordance with Section 505.2 of the International Building Code (IBC). The key is "for maintenance" and also see OSHA regs too. Such mezzanines do not need to contribute to either the building area or number of stories as regulated by Section 503.1, when determining how big or tall a building can be. The former tells you what the building needs; the latter tells you what the equipment supplies.). It may not display this or other websites correctly. On the mechanical side, the improvements are significant reduced duct leakage and mechanical ventilation in airtight homes but theres still a gap between some code requirements and whats being installed. 0000001453 00000 n I would rather not play the game while my plans are approved without comment and my field inspector digs in his heels to require something that I did not anticipate. Panic hardware or fire exit hardware may also be required for mechanical rooms such as boiler rooms, incinerator rooms, furnace rooms, and refrigeration machinery rooms. Prohibition on travel over and under obstructions. cause it is normally occupied by the service tech and they are usually human. Vertical Clearances. 3 0 obj Some common ones are warehouses, factories, assembly halls, etc The building code outlines some basic rules for mezzanines to help determine if it is an intermediate level within the room it serves or if it is considered another story. 2000 NFPA Life Safety does not tell me that a small boiler needs to be enclosed within a room and therefore could be open to a woodworking shop. JavaScript is disabled. - A mezzanine is an intermediate level between the floor and ceiling of any story. You have "Young-timers" ? Once they get adopted into the local codes and building officials start enforcing them, HVAC design requirements in the code are kind of like locks on doors. 0000013419 00000 n The mechanical rooms shall have adequate doorways or areaways and staging areas to permit the replacement and removal of equipment without the need to demolish walls or relocate other equipment. Please try again later. You have many options here, but worst case, RJJ nailed it, just plan on separating and providing outside combustion air. The total area of a mezzanine within a room shall be not greater than 1/3 the floor area of the room in which it is located. This won't delete the articles you've saved, just the list. The IBC includes requirements for panic hardware on some electrical rooms. Equipment platforms in buildings shall not be considered as a portion of the floor below. The main alternative to the ACCA Manual J load calculation protocol would be to use the ASHRAE Handbook of Fundamentals. 0000005937 00000 n startxref Ive been involved in the push to get Georgia to move to the 2015 IECC, and its not a fun process. Thats the basic equation from the 2010 version of the ASHRAE 62.2 standard. Some contractors go that far and then revert to rules of thumb for one of the most critical steps: designing the distribution system. I do not anticipate that this boiler will be over 15 psi and the pump should be less than 10 horsepower. #1 2015 IBC Access is provided by a permanent ladder to mechanical equipment on an equipment platform. Heating and cooling equipment shall be sized in accordance with ACCA Manual S based on building loads calculated in accordance with ACCA Manual J or other approved heating and cooling calculation methodologies. The HVAC design engineer should be cognizant of the necessity to provide for the replacement of major equipment over the life of the building and should insure that provisions are made to remove and replace, without damage to the structure, the largest and heaviest component that cannot be further broken down. 0000001776 00000 n endobj The bottom of the shaft shall be closed off around the penetrating items with materials permitted by Section 718.3.1 for draftstopping, or the room shall be provided with an approved automatic sprinkler system. You also need to check the electrical code as there will be req'ments if certain equipment is present. Of course, when you build a home, youll have to meet the requirements of your local building department, which probably uses one of the I-codes, perhaps with some modifications. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S>> Access to mechanical equipment and appliances installed in underfloor areas, in attic spaces, and on roofs or elevated structures shall be in accordance with this section and the Minnesota Mechanical Code. 0000003736 00000 n Error, The Per Diem API is not responding. That pressure is coming from a number of directions: the Internet, building codes, and green building programs, especially. But first, let me say a little about how building codes work. An occupancy inwhich products are manufactured or in which processing, assembling, mixing, packaging, finishing, decorating, or repair operations are conducted. (M1505.4.3). <> Mechanical ventilation systems shall be capable of exhausting the minimum quantity of air both at normal operating and emergency conditions, as required by Sections 1105.6.3.1 and 1105.6.3.2. Does common path of travel start at the most remote piece of equipment or once maintenance personnel is off the ladder and back in normally occupied space? Become a GBA Prime member and get full access to GBA articles, enyclopedia, videos, CAD library, and more. Equipment platforms shall not be a part of any mezzanine and such platforms and. With widespread adoption, building codes can support energy efficiency, increase resilience, boost the economy, and tackle climate change, In exchange for guaranteed seats on a code-writing committee, the National Association of Home Builders pledged support for later code changes, Design temperatures, load calculations, and oversized HVAC systems. 0000007840 00000 n Summary of Mezzanine Code Requirements. Georgia has been subject to this requirement for several years now, ever since we went on the 2012 IRC. The numbers, types, and locations of exits or access to exits shall be provided in the uses described in Sections 1006.2.2.1 through 1006.2.2.6. !..Pulling the handle noooooowww! Unless otherwise specified, the per diem locality is defined as "all locations within, or entirely surrounded by, the corporate limits of the key city, including independent entities located within those boundaries. The provisions have the effect of exempting requirements related to all of the following from spaces that are smaller than the area thresholds specified: 4. Occupancy classification is the formal designation of the primary purpose of the building, structure or portion thereof. stream Access doors or panels should be provided in ventilation equipment, ductwork and plenums as required for in-site inspection and cleaning. We now have more insulation, less thermal bridging, and tested air barriers. You must log in or register to reply here. Residential Guardrail Height Requirements. * Reference Source 2015 International Building Code [Buy on Amazon]. 0000000016 00000 n 0000004853 00000 n forth in the International Mechanical Code. No mechanical equipment except for cooling towers, air-cooled chillers, evaporative condensers, and exhaust fans shall be permitted on the roof of the building. JavaScript is disabled. I wrote a multi-part explanation of the Manual D process last year, explaining how the available static pressure, total effective length, and friction rate determine the duct sizes you need to use to get the right air flow. The clearance shall equal the length of the tubes plus 600 mm (2 feet). Mechanical equipment rooms must be designed in accordance with the requirements of ASHRAE Standard 15: Safety Code for Mechanical Refrigeration. We also require homes to have an airtightness of less than 7 ACH50. 0000004236 00000 n Is there actually a spec on the separation required? Twenty-seven sections address covered and open mall buildings, atriums, hospitals, stages, buildings where hazardous materials are used and stored, jails and prisons, ambulatory care facilities and storm shelters, among other special occupancy issues. When a military installation or Government - related facility(whether or not specifically named) is located partially within more than one city or county boundary, the applicable per diem rate for the entire installation or facility is the higher of the rates which apply to the cities and / or counties, even though part(s) of such activities may be located outside the defined per diem locality. Looks like I will have to eject from this topic before. A building service equipment support area in which people are not expected to be present on a regular basis. B1 Residential Building Inspector Practice Quiz, B2 Commercial Building Inspector Practice Quiz, R3 Residential Plans Examiner Practice Quiz, M1 Residential Mechanical Inspector Practice Quiz, E1 Residential Electrical Inspector Practice Quiz, P1 Residential Plumbing Inspector Practice Quiz, Accessibility Inspector / Plans Examiner Practice Quiz, CT CALGreen Inspector / Plans Examiner Practice Quiz, First of all lets start off with the definition, Mezzanines can be great features within a building because they provide an additional floor level without being considered an additional story as long as they comply with Section 505.2, which we will get into. 0000006410 00000 n 1101.8 Change in refrigerant type. Unlike the rest of the country, Nebraskans do not feel the need to invent a plethora of amendments. Three replies in a row isn`t this a record ? Instead Ill spell out what those HVAC design requirements are. A mezzanine is an intermediate level between the floor and ceiling of any story. Both the IRC and the IECC say the same thing here: Equipment sizing and efficiency rating (Mandatory). You are using an out of date browser. If youre going with an air distribution system (as opposed to hydronic), getting the proper air flow is critical. The complete source for building, designing, and remodeling green homes. Rates are available between 10/1/2012 and 09/30/2023. Getting the homes heating and cooling loads (Manual J) are the first step. <> Large central equipment shall be situated to facilitate its replacement. Main mechanical equipment rooms generally shall have clear ceiling heights of not less than 3.6 m (12 feet). . 0000001269 00000 n Sufficient space areas (noted by outlining manufacturers recommendations) for maintenance and removal of coils, filters, motors, and similar devices shall be provided. Each is unique when it comes to their code requirements, but in this post we will discuss the mezzanine code requirements found in Section 505.2. If you want to learn about the different construction types per the International Building Code, be sure to check out this POST. All mechanical appliances, Therefore, if the small boiler were enclosed within a room, then that room would not need to be rated per the 2009 IBC Table 508.2. The fire-resistance-rated room separation is not required, provided that the only openings in or penetrations of the shaft enclosure to the interior of the building occur at the bottom. For a better experience, please enable JavaScript in your browser before proceeding. 1209.3 Mechanical equipment and appliance access. The required room temperatures shall be measured 3 feet (914 mm) above the floor near the center of the room and 2 feet (610 mm) inward from the center of each exterior wall. <<273A258AA2435F4F8243526AA2244383>]>> A minimum of 4 percent of the typical floors gross floor area shall be provided on each floor for air-handling equipment. 0000011042 00000 n Section 3005 Elevators and Conveying Systems, Machine Rooms, An approved means of access shall be provided to elevator, 5.1.20.4 Special Application Elevators, Machine Room Inspection, 6.1.7.1.1 Escalators and Moving Walks, Remote Machine Room, Permanent electric lighting and at least one duplex receptacle rated at not less than 15 A, 120 V shall be provided in every remote, 6.2.7.1.1 Escalators and Moving Walks, Remote Machine Room, Permanent electric lighting and a duplex receptacle rated at not less than 15 A, 120 V shall be provided in every remote, Safety Code for Elevators and Escalators 2019 of Illinois, 5.1.20 Operating Devices and Control Equipment, 6.1.7 Lighting, Access, and Electrical Work, 6.1.7.1 Lighting of Machine Room and Truss Interior, 6.2.7 Lighting, Access, and Electrical Work, 6.2.7.1 Lighting of Machine Room and Truss Interior, Machinery spaces outside of the hoistway enclosure, For other than fire service access elevators and occupant evacuation elevators, where machine rooms, machinery spaces, control rooms and control spaces do not abut and do not have openings to the hoistway enclosure they serve, the, For other than fire service access elevators and occupant evacuation elevators, in buildings four. Without getting into detail, one exception would be if the occupant load of the mezzanine is not more than 10 and another is if it has at least two exits out of the space. if not protected by sprinklers! (That last one is a big no-no that can easily contaminate the indoor air with pollutants from the garage or carbon monoxide created by backdrafting a water heater.). it crashes! An official website of the United States government. You must log in or register to reply here. Traveler reimbursement is based on the location of the work activities and not the accommodations, unless lodging is not available at the work activity, then the agency may authorize the rate where lodging is obtained. Also, the IECC just repeats some of the major requirements from the IRC. That means some builders have been aiming for what they see as the sweet spot of less than 7 ACH50 but greater than 5 ACH50. The clear height above and below a mezzanine shall not be less than 7 feet. They wont keep criminals out. In terms of mezzanines, the code does not have any additional exiting requirements other than the typical requirements found in Chapter 10. It will be based on the classification of the Hazards of Contents in accordance with NFPA 101, 2000 [Chapter 40.3.2] since a woodworking shop falls into the Industrial occupancy based on assembling repairs finishing etc. 7 0 obj <> endobj Get building science and energy efficiency advice, plus special offers, in your inbox. 7 31 You can follow him on Twitter at @EnergyVanguard. %%EOF 0000011472 00000 n The IBC (International Building Code) refers to a comprehensive set of standards that address the installation and structural design of building systems. 1209.3.1 Mechanical equipment and appliances on roofs 2023 The Taunton Press, Inc. All rights reserved. My hope is that were going to get to a point where the pressure to do things the right way will break through the activation barrier. 0000001403 00000 n 2 0 obj Multiple fans or multispeed fans shall be allowed to produce the emergency ventilation rate and to obtain a reduced airflow for normal ventilation. 1 0 obj International Mechanical Code. Now even though they dont contribute to the building area or number of stories regulated by Section 503.1, they must still be included within the fire area calculation when determining the need for fire protection systems. A mezzanine is a common design feature found in all types of buildings. SECTION401 SCOPE 401.1Detailed occupancy and use requirements. Thanks for the list of local interpretations. No results could be found for the location you've entered. A lock ( endstream endobj 8 0 obj <. Some put forth a good effort but dont know enough about what to look for in the reports. Have to look have not delt much with 101 in along time, Woodworking shop and any open flame is not a good idea at all. Larger mezzanines require two or more exit stairways. <> Two exit access doorways are required in More notably, they apply to various building systems including the Heating, Ventilation, and Air Conditions (HVAC) system design for buildings. 0000002203 00000 n A mezzanine in compliance with Section 505.2 of IBC has to be considered a portion of the story it serves below. Presidential & Congressional Commissions, Boards or Small Agencies, Diversity, Equity, Inclusion and Accessibility. Horizontal Clearances. A minimum of 1 percent of the buildings gross area shall be provided for the central heating and cooling plant (location to be agreed upon during preparation of concept submission. the Protection from Hazards sections in other occupancies where protection is required at various levels..so if the SFM believes a 3,500s.f. Mezzanines can be great features within a building because they provide an additional floor level without being considered an additional story as long as they comply with Section 505.2, which we will get into. -DfecObL E(g;.>;s0w=llPueCOmN.WddqyRiEfDrO9>7?9;I>/ If you have a true chapter 19 IFC woodworking place check chapter 19. In order to apply the International Building Code (IBC) requirements correctly, it is sometimes necessary to calculate the occupant load of a room or space. Applicable Code: 2009 IBC and 2000 NFPA 101 Life Safety. Allison Bailes of Decatur, Georgia, is a speaker, writer, building science consultant, and the author of the Energy Vanguard Blog. A mezzanine acts like a room or space in which it has an occupant load and that occupant load must have the correct existing parameters per Chapter 10 (egress chapter). Mechanical rooms shall be configured with clear circulation aisles and adequate access to all equipment. Rates for foreign countries are set by the State Department. In addition, adequate methods of access shall be included for items such as: chillers, boilers, heat exchangers, cooling towers, reheat coils, VAV boxes, pumps, hot water heaters and all devices that have maintenance service requirements. Periodic tests of the mechanical ventilating system shall be performed in accordance with manufacturer's specifications and as required by the, The discharge of the air shall be to the outdoors in accordance with, 1105.6.1.1 Indoor Exhaust Opening Location, Indoor mechanical exhaust intake openings shall be located where, During occupied conditions, the mechanical, [F] 1105.8 Emergency Pressure Control System, Section 1105 Refrigeration, Machinery Room, General Requirements, 1105.1 Refrigeration, Design and Construction, 1105 Machinery Room, General Requirements, Not less than 0.5 cfm per square foot (0.0025 m. A volume required to limit the room temperature rise to 18F (10C) taking into account the ambient heating effect of all machinery in the room. 0000035638 00000 n The means of egress for mezzanines shall comply with the applicable provisions of Chapter 10. Catwalks shall be provided for all equipment that cannot be maintained from floor level.Where maintenance requires the lifting of heavy parts [45 kg (100 pounds) or more], hoists and hatchways shall be installed. 0000012952 00000 n For egress doors. These elevated floors are known as mezzanines and equipment platforms. They meet both the IRC and IECC requirements for Georgia that way and arent required to add mechanical ventilation. 6.1.12.1* Definition Industrial Occupancy. A mezzanine in compliance with Section 505.2 shall be considered a portion of the story it serves below and does not need to contribute to either the maximum allowable building area or number of stories as regulated by Section 503.1, however its square footage shall be included when determining the fire area. Space requirements of mechanical and electrical equipment rooms shall be based upon the layout of required equipment drawn to scale within each room. An official website of the U.S. General Services Administration. (Were still on the 2009 IECC here. Without going into detail, there are some exceptions in the code that allows for the mezzanine to be larger given certain factors such as the buildings type of construction and whether the building is equipped with an automatic sprinkler system and emergency communication system. There is a whole bunch of dust hazard considerations. (Thats in section R402.4.1.2 of the 2015 & 2018 IECC.). Housekeeping pads shall be at least 150 mm (6 inches) wider on all sides than the equipment they support and shall be 150 mm (6 inches) thick. Duct systems serving heating, cooling and ventilation equipment shall be installed in accordance with the provisions of this section and ACCA Manual D, the appliance manufacturers installation instructions or other approved methods. And its forbidden to supply conditioned air to a garage using the same system that supplies conditioned air to the living spaces (M1601.6). And second, theres enforcement. Here are a few highlights: These things are a good first step. 0000006734 00000 n Safety Code for Elevators and Escalators 2019 of Illinois > 5 Special Application Elevators > 5.1 Inclined Elevators > 5.1.20 Operating Devices and Control Equipment > 5.1.20.4 Machine Room Inspection. The area of the equipment platform shall not be included in determining the fire area in accordance with Section 903. ) or https:// means youve safely connected to the .gov website. %PDF-1.5 A mezzanine shall be open to the room in which it is located, except for walls not more than 42 inches in height. For a better experience, please enable JavaScript in your browser before proceeding. Building code officials have their hands full, and the majority of them dont have the time or the resources to learn what they need to know to understand the reports they get. In plain English, this requirement simply means that heating and cooling systems in homes have to be sized according to approved protocols. Thanks for the California reference. (A little reminder: Loads and capacity are different things. Swinging doors serving a Group H occupancy and swinging doors serving rooms or spaces with an occupant load of 50 or more in a Group A or E occupancy shall not be provided with a latch or lock other than panic hardware or fire exit hardware. (M1505.4.3) Getting into the code is the first step These things are a good first step. 7.13.3 Means of Egress Path. JavaScript is disabled. Such equipment platforms shall not contribute to either the building area or the number of stories as regulated by Section 503.1. I dont know when it first showed up, but its been in the IRC at least since 2012. BayPoint (West Pittsburg, CA) is where I am from. Official websites use .gov endobj I will leave this here for now since the topic of Egress is a whole other animal. Even with dust controls, there is still superfine particles in the air. This is the same in both the 2015 and 2018 versions. But that gap isnt my focus today. At the highest level are the model codes. 37 0 obj <>stream Permanent electric lighting and at least one duplex receptacle rated at not less than 15 A, 120 V shall be provided in every remote machine room . IBC 106.1 Section 109.2.4 of the IFC states that signs, tags or seals posted or affixed by the fire code official are not be mutilated, destroyed or tampered with or removed without authorization from the fire code official. Exceptions: 1. 602.5 Room temperature measurement. xref SECTION 603 MECHANICAL EQUIPMENT 603.1 Mechanical appliances. 302.1 Occupancy Classification. But there are a couple of other critical steps that have to follow. Heres what the IRC says: M1601.1 Duct design. It may not display this or other websites correctly. - The clear height above and below a mezzanine shall not be less than 7 feet. Panic Hardware for Doors | Is Panic Hardware Required? The designated use of the space may alter or modify the general occupancy requirements but the requirements are there. D`OH ! 0000008945 00000 n Service Access. On the topic of HVAC design, the IRC has more detail than the IECC, as you might expect. Well since you are under the calif code, that is what everyone has to play by. Some dont bother with Manual J, S, and D reports at all. Chillers shall be placed to permit pulling of tubes from all units. Air-handling units require a minimum clearance of 750 mm (2 feet 6 inches) on all sides, except the side where filters and coils are accessed. If it is going to be that dusty, you might want to look at NEC for hazardous location wiring while you are at it Take a read through ch 28 IFC; then chapters 4 & 5 NEC. The IRC has a lot of other requirements for duct design, too. 0000000916 00000 n This feature has been temporarily disabled during the beta site preview. Minimum Space Requirements. Territories and Possessions are set by the Department of Defense. Building codes, especially those related to energy efficiency, have improved a lot over the years. - The total area of a mezzanine within a room shall be not greater than 1/3 the floor area of the room in which it is located. The provisions of this section shall apply to, Openings other than those necessary for the purpose of the, Penetrations other than those necessary for the purpose of the, 713.13 Waste, Recycling and Linen Chutes and Incinerator Rooms, Waste,recyclingand linen chutes shall comply with the provisions of NFPA 82, Chapter 6 and shall meet the requirements of Sections, 713.13.1 Waste, Recycling and Linen Chute Enclosures, Access openings for waste, recycling or linen chutes shall be located in rooms or compartments enclosed by not less than 1-hour, Table 509.1Waste, recycling or linen chutes shall discharge into an enclosed room separated by, 713.14 Elevator, Dumbwaiter and Other Hoistways, Elevator, dumbwaiter and other hoistway enclosures shall be constructed in accordance with Sections, 403.2.1.2 Special Detailed Requirements Based on Occupancy and Use, Shaft Enclosures, 707.3.1 Fire and Smoke Protection Features, Shaft Enclosures, The fire-resistance rating of the fire barrier separating building areas from a, 712.1.1 Fire and Smoke Protection Features, Shaft Enclosures, Vertical openings contained entirely within a, 4 Special Detailed Requirements Based on Occupancy and Use, 403.2.1 Reduction in Fire-Resistance Rating, Be enclosed at the lowest level with construction of the same, Extend to the underside of the roof sheathing, deck or slab of the building, and the. xZo6~r_x8{{Jl4of($f-{H3}3(JJKl(U~ip+>l0fc#rLS# e3{)RFW>xzl^dl.'l.d*clPyVdv6aZI8TkvoQ5Z1p(CSHN@89rMX:e`!y~K>9lnM@lFSUNU/(A@g9L)jWm}RxI%t-Ff8Spgq/x.o(@zJ-87 ]Wa(dMu}C/!h~g_\e7TU=M2zZiFu`#a%ZJ:xS6-lc`K]YyDcB: }k WlC~5Y^#yUJ-#qK>wa{):#J?QI.3pR&dA2eyU\}$+'LhyZ'?mNG4;.Bc:1VP"$,2f [E ijv&Y*,+>E YI/Mg' -*. )lW]0DC!?v)(a*^.HG>M} y7F\ Hc KH'I:!zRK3K[zx~hXnV~[\bFZ!pEC) od_^p~H:LPZUWaDIHw0w@ B87'G. Where the air infiltration rate of a dwelling unit is 5 air changes per hour or less where tested with a blower door at a pressure of 0.2 inch w.c (50 Pa) in accordance with Section N1102.4.1.2, the dwelling unit shall be provided with whole-house mechanical ventilation in accordance with Section M1505.4. Share sensitive information only on official, secure websites. 1010.1.10 Panic and fire exit hardware. 0 Structures shall be classified into one or more of the occupancy groups listed in this section based on the nature of the hazards and risks to building occupants generally associated . Touch the badge!.Seems kind of dumb to me, boiler does not seem to be any more of a hazard than shop equipment or cigarette lighter or incandescent light bulb..Any kind of sealed burner, direct vent that could get you out of it? Heres how its stated in the 2018 IRC: R303.4 Mechanical ventilation. Ammonia-refrigerating systems shall comply with this code and, except as modified by this code, ASHRAE 15 and IIAR 2. 0000004777 00000 n 0000031253 00000 n The industrial classification unlike the other occupancy chapters require protection for High Hazard operations only [40.3.2]. Secure .gov websites use HTTPS Space shall be provided around all HVAC system equipment as recommended by the manufacturer and in compliance with local code requirements for routine maintenance.