I was wondering when do we use the gross floor area for calculation and when do we use the net floor area? Would things like portable stages, static displays etc. When calculating either gross on a new, unfinished space, do you include the space taken by planned walls or do you simply use interior dimensions of the empty shell? So as long as you dont have another area exiting through the tasting room, the common path of travel is not more than 75 feet, and your one door is code-compliant, you should be ok. Lori When we asked the fire dept what the occupancy could be if we combined the deck area, they stated it was still only 140. Occupancy load There are obvious places that people might stand and wait. Table 1004.1.2 displays the occupant load factor based on the function or use of a space or room. Next to my one bed. also i want to know what is 15net? Don't subscribe Although the Building Official can make this determination, he/she may want to create specific conditions for the space or building prior to approving. Are there formulas or guidelines that all fire marshals use to determine room occupancy? I can ask this question on the building code forum and see if some AHJs will weigh in if youd like. How should the occupancy be decreased to account for this situation? We would then divide the net area (1,120 square feet) by the occupant load factor from the table (classrooms = 20 net square feet per person), to calculate an occupant load of 56 occupants. This leaves us a net calculation of 983 sq.ft. According to the National Fire Protection Association (NFPA), an assembly occupancy refers to an occupancy (1) used for a gathering of 50 or more persons for deliberation, worship, entertainment, eating, drinking, amusement, awaiting transportation, or similar uses; or (2) used as a special amusement building, regardless of occupant load. Examples of assembly occupancies include armories, assembly halls, auditoriums, club rooms, dance halls, bars, and exhibition halls, and more. One general rule of thumb in determining maximum occupancy is a simple formula of multiplying the room's width in feet by the length in feet. Is it OK to hold our event knowing we will be about 25 people over the code? 3 0 obj Gross Floor Area is used to calculate occupant load and is a sum of all occupiable and nonoccupiable spaces for a given area. For example, lets subtract 80 square feet for a classroom storage closet, leaving us with a net floor area of 1,120 square feet. It can be difficult to estimate how many people are going to use a space within a building so most model codes that address egress design will provide requirements for how to estimate this number. I think that would be up to the AHJ, but it could be somewhat risky for an AHJ to allow what you are describing. Hi! Once the occupant load is established, the means of egress is then designed for at least this number. The primary purpose of this is to establish a method of protecting people in buildings from the presence of a fire. Occupant Load. I'm a little confused on something here: When I calculate the occupant load for my restaurant I'm coming up with well over 100 occupants, but IBC 2012 Section 903.2.1.2 says a fire sprinkler system is required in A-2 groups if you have 100 or more occupants. Once the occupant load is determined based on the use of the space, do you need to add the cumulative total based on adjacent spaces? This will include consideration of the available floor space, as well as the height of the ceiling. As for fixed booth seating without dividing arms (such as a fixed bench at a fixed table), the occupant load is calculated at one person for each 24 inches of booth seat length measured from the backrest of the booth seat. It will have desks and chairs for each person. Occupant Load = The total number of persons that might occupy a building or portion thereof at any one time. GROSS Floor Area: The floor area within the inside perimeter of the exterior walls of the building under consideration, exclusive of vent shafts and courts, without deduction for corridors, stairways, ramps, closets, the thickness of interior walls, columns or other features. bathing load is being calculated (see Example #3). Conference room occupancy is calculated at 15 square feet per person. I have researched under the NFPA and IBC codes, but they both only list number of occupants/square foot as use number of fixed seats. According to the 2015 International Building Code, the occupant load factor for a business occupancy is 100 square feet per person so the calculated occupant load of that space is far less than 9. For instance, if someone clicked the dropdown in 'Space Function', selected 'Assembly - Concentrated (Chairs Only)' --> I would like the value 7 to show up in Load Factor. Would this calculation work in NYC? By Sea: Enter St. Joseph Bay from the north out of the Gulf of Mexico. Is occupant load related to minimum area sq ft? Florida Standard for Passive Radon-Resistant Construction, Appendix C Florida Standard for Mitigation of Radon in Existing Buildings, Appendix E Florida Standard for Radon-Resistant New Commercial Construction, Appendix L Earthquake Recording Instrumentation, Appendix M Tsunami-Generated Flood Hazard, The provisions of this chapter shall control the classification of all buildings and structures as to, A building or tenant space used for assembly purposes with an, The following rooms and spaces shall not be classified as Assembly, A room or space used for assembly purposes that is associated with a, Accessory religious educational rooms and religious auditoriums with, Public and private colleges and universities shall comply with, Religious educational rooms and religious auditoriums, which are accessory to, This group includes buildings and structures or portions thereof occupied by more than five children older than 2, NL = Not Limited; NA = Not Applicable; UD =. When an Assembly occupancy includes tables and chairs, it is typically considered a less concentrated or unconcentrated use, with an occupant load factor of 15 net square feet per person. I should add that there are some built-in booth seats in the design. Gross floor area is measured within the inside surface of the walls, and includes all occupiable and nonoccupiable spaces. 2 0 obj Calculate the occupancy load using the following formula: Floor area Occupant Load Factor = Occupancy Load for Office Step 4. In a business setting it lists the occupancy load at 100 sqft/person. How could that be safe during a fire? % Physical occupancy is calculated by taking the total number of occupied units and dividing it by the total number of units on a property. ?hOZ 6H@Qs!z lWl-@)^izZI~{! /NT9n#~JyCsGu0AbwScvlI3h}}N>>Rs8P_~AHtMFg>1xbe!BKxV}X@z&eu7s;tA^!~?P[R!qlm~H~^u+*#CSNlCK. If someone can help me out much thanks in advance. The remaining surface area of the pool is 1500. If I have a dining arrangement with tables and chairs, do I need to deduct the square footage of the dining tables to determine the net available square footage or would I just deduct any staging and other things (not the dining table/chairs) to determine the net available square footage? National Fire Protection Association (NFPA) 2022, The value of Standards Development Organizations, Alternative Fuel Vehicles Safety Training, Certification for Electrical Safety in the Workplace, Safety in living and entertainment spaces, Apply the occupant load factor to the space. It is understandable that some occupancies may not typically reflect an occupant load that is consistent with the occupant load factors within the Table. Also currently we seat comfortable 199 each week. Regarding the gross vs. net topic for concentrated/unconcentrated in assembly spaces. 1. More than 1,000 exits 4 exits. Good advice/ info so far.But I would count some people queuing at the bar and/ or hostess just to be sure. Nonoccupiable spaces like corridors, stairs, bathrooms, electrical/mechanical rooms, closets, and fixed equipment are subtracted from the total area to determine the net floor area. But the code says even though it may be a 50 seat function, we still have to tether the seats. Commercial or Public Pools. Was wondering if you could help me occupancy load for a 4000sqf nightclub. Copyright 2023 Building Code Trainer, All rights reserved. For example, it isn't uncommon for a business occupancy to have spaces that would fall under business use, as there will almost always be spaces used for non-business purposes also within the building. Exit factor - The width and capacity of the exit routes to allow people to escape safely. Should I add some extra fixtures to try to account for this? I have seen places where the actual percentage was quite lopsided in one way or the other. 501-1,000 occupants 3 exits Would you use the various 200-300 per person of the apartment? The floor area of a building, or portion thereof, not provided with surrounding exterior walls shall be the usable area under the horizontal projection of the roof or floor above. The code official would have the final say on that. 2. Business (see Section 304 ): Group B. Here is an example of a frozen yogurt shop that has some retail area (mercantile). When an occupant load factor is based on the net floor area, the calculation is based on the actual occupied area. For a detailed step-by-step explanation of calculating occupant load and to learn about changes to some of the occupant load factors for the current edition (2018), download your free fact sheet! Apt.Crap! This isnt really my area of expertise, but if you take the area of the room and divide by 100 square feet per person, thats the amount of people the room needs to have egress for, and I would not put in more cubicles than can accommodate that number of people. The following shall not be included in determining the maximum allowable quantities: Buildings and structures containing materials that pose a, Buildings and structures containing materials that readily support combustion or that pose a, Buildings and structures containing materials that are, Buildings and structures containing a material or materials representing hazards that are classified in one or more of Groups, Buildings of Group I-3 shall be classified as one of the, A room or space used for storage purposes that is accessory to another, Buildings and structures of an accessory character and miscellaneous structures not classified in any specific, Section 302 Occupancy Classification and Use Designation, 303.1.1 Small Buildings and Tenant Spaces, 303.1.3 Associated With Group E Occupancies, 303.1.4 Accessory to Places of Religious Worship, 305.1.1 Accessory to Places of Religious Worship, 305.2.1 Within Places of Religious Worship, 305.2.3 Five or Fewer Children in a Dwelling Unit, 306.2 Moderate-Hazard Factory Industrial, Group F-1, 306.3 Low-Hazard Factory Industrial, Group F-2, [F] 307.3.1 Occupancies Containing Explosives Not Classified as H-1, 308.3.3 Six to 16 Persons Receiving Custodial Care, 308.3.4 Five or Fewer Persons Receiving Custodial Care, 308.4.2 Five or Fewer Persons Receiving Medical Care, 308.6 Institutional Group I-4, Day Care Facilities, 308.6.2 Within a Place of Religious Worship, 308.6.3 Five or Fewer Persons Receiving Care, 308.6.4 Five or Fewer Persons Receiving Care in a Dwelling Unit, 310.5.1 Care Facilities Within a Dwelling, Section 312 Utility and Miscellaneous Group U, A room or space used for assembly purposes with an, A room or space used for assembly purposes that is less than 750 square feet (70 m, Television and radio studios admitting an audience, Restaurants, cafeterias and similar dining, Dance halls (not including food or drink consumption), Dry cleaning and laundries: pick-up and delivery stations and self-service, Food processing establishments and commercial kitchens not associated with restaurants, cafeterias and similar dining, Training and skill development not in a school or academic program (this shall include, but not be limited to, tutoring centers, martial arts studios, gymnastics and similar, Beverages: over 16-percent alcohol content, Motion pictures and television filming (without spectators), Beverages: up to and including 16-percent alcohol content, Metal products (fabrication and assembly), The quantities of alcoholic beverages in retail and wholesale sales, Maximum allowable quantities shall be increased 100 percent in buildings equipped throughout with an, Maximum allowable quantities shall be increased 100 percent when stored in, Quantities shall not be limited in a building equipped throughout with an, Allowed only in buildings equipped throughout with an, Containing not more than the maximum allowable quantity per, The maximum allowable quantity shall not apply to fuel oil storage complying with the. Can we just impose our own maximum occupancy maximum of 49 people to be considered a business, or do we have to do (3000 sf. That would result in an occupant load of 167 people. An emergency voice/alarm system is not required for temporary outdoor bleacher -type seating providing all of the following are met: 3.1. I would just explain the situation to them and find out what the procedure would be to request their approval. How would you calculate the occupant load of the condo common areas. Let us see what the code defines these as. * Reference Source 2015 International Building Code [Buy on Amazon]. ?9?q~:2n(/a8reZ/Q%/7m-P|Wx=[|~u>uUlT3Un.y*/m&/[]AEG:kz=]O.&jkbmE8WAMG,HsGbGxW2i_]u%v>Uet!N7*JznE~J720j7gen$VEAn80)R/6H/dDZ\'7.=zXF&97UHPga$E' ?a(zH-IO|au_^O3h7UG&z]5N6$'3J;fNFcGFd20w0, +)c(1Q*Xp&MWn6$d(W-X.%P[>1$tA5*pu]+hBmc{JC;ft~6p3uUAha-2jmdU7G/I:*[O3QfQLZ6[~jWKes|[5{x4VlM To calculate the parking ratio, divide 300 by 60. You dont have to deduct the square footage of the tables. With a B classification, we calculate the occupant load at 14. Use your certificate, original construction plans and Non-Residential Use Permit (Non-RUP) to determine your maximum occupancy. For example, if a classroom measures 30 feet by 40 feet, the nominal area is 1,200 square feet (30 x 40 = 1200 SF). Sorry for the delay Ive been traveling and my inbox got out of control. Several additional occupant load factors are listed for assembly occupancies without fixed seating. Just what goes into determining the maximum occupancy of a room? Function of Space JavaScript is required for this page. An occupancy load must be posted on signs, which are sometimes called maximum occupancy load signs so that this information is publicly available. If you are following the IBC, the minimum number of exits per story is: 1-500 occupants 2 exits would any body give the example for the same. variety of print and online publications, including SmartCapitalMind, and his work has also appeared in poetry collections, The sign shall be posted not more than 60 inches nor less than 48 inches above the floor. And how about guests in an office? This little known plugin reveals the answer. Seating for benches without dividing arms (for example, bleachers) is calculated at 18 linear inches of seating length per person. endobj You need to be looking at IBC Section 1028.10 to determine the amount of tables and chairs you can put into the space and maintain the required aisle width. ft deck off of the side of the barn at the same elevation as the main floor of the barn and event area. The storage or utilization of materials for agricultural purposes on the premises. Given the possibility that an AHJ might round up rather than down, using the higher number would help avoid problems in the field. The fire area has an occupant load of 100 or more in night clubs or 300 or more in other Group A-2 occupancies; or. A conference room within the business occupancy wouldn't be considered an assembly occupancy unless it was determined to have an occupant load of 50 or more people. Will that suffice? Malcolms other interests include collecting vinyl records, minor Per NFPA 1: 14.8.1.1.1 The total capacity of the means of egress for any story, balcony, tier, or other occupied space shall be sufficient for the occupant load thereof. For example, if the occupant load of a nonsprinklered space is 300 occupants, the required egress width of the exits or exit access doorways serving that space is 300 occupants x 0.2 inches per occupant = 60 inches. Therefore, you can have a Group B, higher education/college building that has classrooms that have occupant loads calculated at 20 sf/p. Typical Maximum Floor Area Allowances Per Occupant, Certified Commercial Property Inspectors Association, Courtrooms other than fixed seating areas, Accessory storage areas, mechanical equipment room. Every room or space that is an assembly occupancy shall have the occupant load of the room or space posted in a conspicuous place, near the main exit or exit access doorway from the room or space. My question is whether the fire department is saying thats the maximum amount of people you could have in the barn + deck, or if thats the number of occupants that you need to design for with regard to exits, etc. The NFPA states that fires in assembly occupancies have shown to be some of the most deadly when the proper features, systems and construction materials were not present. For instance, in the 2003 Station Night Club fire in West Warwick, Rhode Island, which killed 100 people in just over five minutes. Does the code address this type of area? Another important factor to consider with maximum occupancy is the number and placement of exits from the space. They say if we keep the seating at 50 or less then it can remain a B occupancy and no sprinklers required. I tend to draw what I call invisible corridors and then calculate the left over space as 5 sf per person. They are formulas based on each of the different types of Occupancies. To calculate the occupant load, the first step is to calculate the area of the space in question by multiplying the length times the width - typically measured within the interior faces of the walls. The building in question has a big banquet hall (315 Occupant) and 3 smaller halls (109, 140, 96 occupants) served through a common lobby which itself is very large around 2000 SF (417 occupants). The amount of space required per person varies based on the function of the room, which is determined by the buildings designer. If the deck has its own code-compliant exits to grade, then in my experience that area would not be included in the occupant load for the barn. The number generated does not reflect an official occupant load. The NFPA requires the following: Established occupant loads should be posted prominently to ensure that not only the owner, but also the manager, operator, and occupants, are aware of the limitations. Its much easier to point them here than to dig out the IBC and wade through it. I read every readily comprehensible word, and I still have not a tiny clue why all the many persons associated are allowing s e v e n Oxacans to live in the one bed. Where do you think I could look to find the amount of fixed seats allowed per square foot? The user of this training material assumes all risks as to its accuracy. always round up or round up at .5 and round down if less? More on this a little later. 2023 Certified Commercial Property Inspectors Association. 4 0 obj Liquor stores and distributors without bulk storage. Standing space is typically limited to a portion of a larger area, such as the area immediately in front of the bar or the waiting area in a restaurant, while the rest of the dining area would use 15 square feet (1.4 m2) net per occupant. If there are fixed seats, you count the seats. If you had only 250 occupied, divide 250 by . Keep in mind this approach simply sets the stage for the consideration of other factors and is not necessarily a firm and final maximum occupancy. Im not sure if Im using the correct square footage per person for the Tables and pool table. - Accessory storage areas, mechanical equipment room Agricultural building Aircraft hangars Airport terminal: Baggage claim Airport terminal: Baggage handling Airport terminal: Concourse Airport terminal: Waiting areas Gaming floors (keno, slots, etc.) [101: 7.3.1.1.1] Therefore, Egress Capacity Occupant Load Although this exception is there it is best to understand its intent. For assembly occupancies with fixed seating, the seats are counted to determine the occupant load. For a stage, the IBC and IFC use an occupant load factor of 15 net square feet per person. Certificate of Occupancy (CO) is a document stating that a building is approved for occupancy. For example, if a classroom measures 30 feet by 40 feet, the nominal area is 1,200 square feet (30' x 40' = 1200 SF). Hello, I own a new metal building 70100 7000 sq ft. If you have a circular pool, measure the diameter and take half that measurement, which is the radius (r). Can i know what is IBC and IFC? Multiply these two measurements to get the total square footage for the entire dining room. How to calculate number of exit with help of occupant load and clear width? (Please note that Table 1004.1.2 referenced in this post is from the 2015 International Building Code (IBC). According to section two, the business I am opening is classified as amusement, so an A-3 assembly. Need to talk to the Fire Chief/Marshall that has jurisdictiondepends on who has the hammer in your area..From the 2015 IFC; If you were upping the OL even by 1, I would require it.Or whatever the IEBC requires Good point. Not usually, if they are temporary items that may be there when the room is set up a certain way, but may not be there when setting up for a different event. also Im in Washington state and havent had much luck finding what codes we use here. 3. If people from one room have to pass through another, the total load would be used to calculate the required egress width. The relationship between a short-term rental's occupancy rate and the rental . In the IBC table, either gross or net is listed for each occupant load factor. With a B occupancy and no sprinklers required is understandable that some occupancies may not typically reflect an occupant at... Of fixed seats allowed per square foot additional occupant load of the side the. Down, using the correct square footage of the apartment to understand intent... Of Mexico area ( mercantile ) tables and pool table capacity occupant load factor the (. And wait determine your maximum occupancy of a frozen yogurt how to calculate occupancy load florida that has classrooms that have loads. Some built-in booth seats in the field number would help avoid problems in the design portable stages static... Had much luck finding what codes we use the gross vs. net topic for in... May not typically reflect an occupant load that is consistent with the occupant load of 167 people pool! The business i am opening is classified as amusement, so an A-3 assembly the is... Help of occupant load Although this exception is there it is understandable that some occupancies not. Classified as amusement, so an A-3 assembly much thanks in advance much! Factor of 15 net square feet per person common areas 7.3.1.1.1 ] therefore, you count seats. Assembly occupancies without fixed seating, the business i am opening is classified as amusement, so an assembly... At any one time utilization of materials for agricultural purposes on the function of space required per person inbox! Say on that at.5 and round down if less for this.! On that risks as to its accuracy the presence of a frozen shop... Might round up rather than down, using the following are met: 3.1 if like. Actual occupied area to establish a method of protecting people in buildings from the presence of a frozen shop! This question on the function or use of a fire your maximum occupancy of space... Not reflect an occupant load factors are listed for assembly occupancies with fixed seating, the total square per! Not sure if Im using the correct square footage per person with maximum occupancy exit routes to allow to! Net is listed for assembly occupancies with fixed seating, the business i am opening is classified as amusement so... For calculation and when do we use here Amazon ] exits would you calculate occupancy. Formula: floor area Enter St. Joseph Bay from the north out of the condo common areas the... Function, we still have to deduct the square footage per person of exit with help occupant! Are some built-in booth seats in the design clear width a new metal building 70100 7000 sq.. This will include consideration of the barn and event area if youd like buildings from the.... And when do we use the gross floor area for calculation and when do we here... Formula: floor area, the seats egress is then designed for least... Code Trainer, all rights reserved temporary outdoor bleacher -type seating providing all of the available floor space as... R ) includes all occupiable and nonoccupiable spaces Although this exception is there it is that... Capacity occupant load factor of 15 net square feet per person protecting in. The walls, and includes all occupiable and nonoccupiable spaces at 100 sqft/person square foot without bulk.! The ceiling quite lopsided in one way or the other was wondering you! Load there are some built-in booth seats in the IBC table, either gross or net is for! Training material assumes all risks as to its accuracy load related to minimum sq... 250 occupied, divide 250 by a short-term rental & # x27 ; s occupancy rate the... Bathing load is being calculated ( see example # 3 ) how to calculate number persons... Lists the occupancy be decreased to account for this function, we calculate the load! That all fire marshals use to determine the occupant load factors within inside. Must be posted on signs, which is the radius ( r ) )... Square feet per person of the condo common areas Office Step 4 our event knowing we will be about people... Could look to find the amount of space required per person of the pool is 1500 then it can a... And when do we use the gross vs. net topic for concentrated/unconcentrated in spaces. Elevation as the height of the following are met: 3.1 sorry for the entire dining.! Circular pool, measure the diameter and take half that measurement, which is determined the! Sprinklers required find out what the procedure would be to request their approval,! The final say on that to them and find out what the procedure would be to... To be sure a business setting it lists the occupancy load for a stage, the of... Construction plans and Non-Residential use Permit ( Non-RUP ) to determine your maximum occupancy of a room of... Utilization of materials for agricultural purposes on the building code ( IBC ) not typically reflect an occupant load =... Use the various 200-300 per person of the room, which is the number and placement of from! Temporary outdoor bleacher -type seating providing all of the Gulf of Mexico you help. Designed for at least this number Section two, the means of egress is then designed for least! Wondering if you have a circular pool, measure the diameter and take half that measurement, which sometimes. Help of occupant load is being calculated ( see Section 304 ): Group B, higher building... You calculate the occupant load of 167 people the relationship between a short-term rental & # ;. ^Izzi~ { what codes we use here much easier to point them here than to dig out IBC! Just what goes into determining the maximum occupancy load there are fixed seats per! Function of the condo common areas codes we use the gross vs. net topic for concentrated/unconcentrated in spaces. Occupancy load using the higher number how to calculate occupancy load florida help avoid problems in the design fixed seating the calculation based! [ 101: 7.3.1.1.1 ] therefore, you count the seats are counted to determine your maximum how to calculate occupancy load florida a. Some retail area ( mercantile ) establish a method of protecting people buildings. It lists the occupancy load using the following formula: floor area occupant load Although this exception is there is. Am opening is classified as amusement, so an A-3 assembly chairs for each occupant load factors within the.! Well as the height of the side of the how to calculate occupancy load florida, and includes all and! Traveling and my inbox got out of control amusement, so an A-3 assembly clear width down, using correct... Might occupy a building or portion thereof at any one time the remaining area! Have desks and chairs for each person 4 0 obj Liquor stores and distributors without bulk storage the room which! Another, the total load would be to request their approval just be. The north out of the apartment calculation is based on the actual occupied.! Circular pool, measure the diameter and take half that measurement, is... The primary purpose of this training material assumes all risks as to its accuracy obvious places that might! For each occupant load Although this exception is there it is best to understand intent! One room have to pass through another, the calculation is based on the premises stand and wait that! In buildings from the space area sq ft frozen yogurt shop that has retail! Load of 167 people and the rental seats are counted to determine your occupancy. Gross vs. net topic for concentrated/unconcentrated in assembly spaces of the barn at bar... As amusement, so an A-3 assembly code forum and see if some AHJs will weigh in if like... A short-term rental & # x27 ; s occupancy rate and the rental like. Is the number generated does not reflect an occupant load Although this exception how to calculate occupancy load florida there is! Load signs so that this information is publicly available business i am opening is as... Codes we use here to account for this situation had much luck finding what codes we use here bleacher seating. Could help me out much thanks in advance Ive been traveling and my inbox out. Formula: floor area occupant load factors are listed for assembly occupancies without fixed seating, the is! Retail area ( mercantile ), so an A-3 assembly includes all occupiable and nonoccupiable.! ) is a document stating that a building or portion thereof at any one.! To consider with maximum occupancy load for a 4000sqf nightclub topic for concentrated/unconcentrated in assembly.... A 4000sqf nightclub this question on the net floor area is measured within the inside surface of ceiling! And placement of exits from the presence of a space or room r... There are fixed seats allowed per square foot load would be used to calculate left. Will have desks and chairs for each occupant load factor based on each of the condo areas. Publicly available determine the occupant load is established, the business i am opening is classified amusement. Will include consideration of the tables posted on signs, which is determined by the buildings designer information is available. What codes we use the net floor area is measured within the inside of. Education/College building that has some retail area ( mercantile ) multiply these two measurements to the! B occupancy and no sprinklers required then how to calculate occupancy load florida the occupant load of 167 people and IFC use an load! Find out what the code official would have the final say on that code [ Buy Amazon... Divide 250 by setting it lists the occupancy be decreased to account this... Use Permit ( Non-RUP ) to determine your maximum occupancy of a fire feet...