OCCUPANT LOAD FACTOR: [BSC, DSA-SS & DSA-SS/CC] OCCUPANCY*, ** FACTOR OCCUPANT LOAD Group A Baggage handling 1. Plumbing fixture counts are based on the plumbing code which is an IAPMO code. B. Occupant Load Determination (1) The occupant load of a floor area or part of a floor area, or of a building or part of a buildingnot having a floor area, shall be based on, (a) the number of seats in an assembly occupancy having fixed seats, (b) two persons per sleeping room or sleeping area in a dwelling unit or suite, or Plumbing fixtures shall be provided, for each building type and occupant load, in the minimum numbers shown in Appendix A.Table B, Minimum Number of Plumbing Fixtures, except as noted in footnote 2. Figure 1.1. It's even more unlikely if that 100% capacity was based on an increased occupant load, beyond what IBC Table 1004.5 requires. occupant load factor from Figure 7.3.1.2(a) or Figure 7.3.1.2(b). The numbers of fixtures are the minimum required as shown in Table 422.1 and the occupant load factors shall be as shown in Table 422.1. b. For determining the required plumbing fixture counts, do I consider the Fitness Center occupancy to be A-3, or B based on Section 303.1.1 Small buildings and tenant spaces? Existing Buildings 1. Each individual tenant space is required to have means of egress to the outside or to the mall based on occupant loads calculated by using the appropriate occupant load factor from Table 7.3.1.2. Example: shower, urinal, fountain, shower, sink, water faucet, tap, hose bibs, hydrant etc. Here's one example: a 750 square foot conference room with tables and chairs would normally be assigned an occupant load of 50 (using a factor of 15 square feet per occupant), but following the CDC guidelines, no more than 20 occupants should be in the room. The Ontario Building Code | Occupant Load Determination 3.1.17.1. Both numbers will typically need to be reviewed and accepted by the AHJ. Determine the number of required plumbing fixtures based on the PC Chapter 4 Tables or Section C below. Maximum flow – Maximum flow or maximum possible flow is the flow that will occur if the outlets on all fixtures are opened simultaneously. Fixture - A fixture is any device for the distribution and use of water in a building. a) Minimum Number of Fixtures Required. The 2018 Edition of NFPA 101 has updated the long-held occupant load factor of 100 sqft per person to 150 sqft per person. The occupant load factors in chapter 10 table 1004.1.2 ( I think thats the one) have nothing to do with occupancy (chapter 3), they are tied to the function of the space or how the room is used. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. 303.1.1 says tenant spaces with an occupant load of less than 50 shall be classified as a Group B occupancy. footage per occupant. If the restaurant's (or other business's) occupant load was originally based on a denser load factor, such as 1:15 for tables and chairs seating, even a 50% reduction in capacity is unlikely to result in social distancing. The total occupant load and occupancy classification shall be determined in accordance with the building code. The Required number of plumbing fixtures; Calculating the Occupant Load for a space should be as easy as flipping to table 1004.1.1 finding the line … (9), the number of water closets required for assembly occupancies shall conform to Table 3.7.4.3.A. Auditoriums, convention halls, dance floors, lodge rooms, stadiums, and casinos (where no fixed seating is provided) 15 gross (use 1⁄2 “one-half” the number of fixed seating) 2. The plumbing fixture occupancy is reduced to 2/3 of the egress occupancy with the resulting amount then divided equally to arrive at the number of occupants of each sex. To determine the required number of fixtures, the fixture ratio or ratios for each fixture type shall be applied to the occupant load of each sex in accordance with Table 2902.1.Fractional numbers resulting from applying the fixture ratios of Table 2902.1 shall be rounded up to the next whole number. per occupant per Table 1004.1.1. From the 2018 UPC Illustrated Training Manual, Chapter 4, PLUMBING FIXTURES AND FIXTURE FITTINGS. 2. Most AHJs will permit a reduced Occupant Load for determining minimum plumbing fixtures to account for the simultaneous use of rooms, spaces, and areas since plumbing fixtures are not considered a life safety issues. In the 2012 IBC, the occupant load factor is found in Table 1004.1.2, Maximum Floor Area Allowances per Occupant. Finally, continue determining the the occupant load for each space and then add all of the occupant loads together to determine the occupant load for the project. The sum total of fixture units is total fixture unit count. Plumbing Fixtures for industrial Occupancies (1) Except as provided in Sentence (2), ... the occupant load is not more than 10 persons, or (b) the total area of the occupancy, excluding basements, is not more than 300 m 2. The number of plumbing fixtures required is arrived at by using a calculation based on the egress occupancy, in cases where the actual occupant load of the building is unknown. CLASSIFICATION OCCUPANCY DESCRIPTION LAVATORIES MALE FEMALE MALE FEMALE BATHTUBS/ SHOWERS DRINKING FOUNTAIN (SEE SECTION 410.1 ) OTHER A-1 Theaters usually with fixed seats and other buildings for the room ratio) the … The Ontario Building Code Online. Also – you could have more occupants in the barn if you use the concentrated occupant load factor, and as long as you have enough egress width, plumbing fixtures, etc., I don’t think the intent of the calculation is to say that you can only have 140 occupants total. A Change of OccupancyperSection 407 of the ExistingBuildingCode resulting in an increase of the occupant load per Table A of the PC shall comply with the IMO it is approriate to use the 1/15 load factor in a waiting room, but becuase the size of the waiting room is smaller that 750SF or 50 people the room itself is a B occupancy. 422.1 Fixture Count. 1. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. I am trying to justify something like, the conference room plumbing count will be calculated by A-3 and then add (to this conf. The Ontario Building Code | Plumbing Fixtures for Business and Personal Services Occupancies 3.7.4.7. Section 890.810 Minimum Number of Plumbing Fixtures . The occ load factor in CBC and CPC are different; The occupant load as calculated by the two are not the same. Plumbing fixtures shall be provided for the type of building occupancy and in the minimum number shown in Table 422.1. To determine the occupant load of each sex, the total occupant load shall be divided in half. 23. Occupancy Load = Floor Area (sq. It is used to determine occupant load by dividing the occupant load factor from the overall square footage of an area. The occupant load factor for the preceding types of activity areas is 50 sq.ft. 2. Plumbing Fixtures for Mercantile Occupancies (1) Except as provided in this Article, the number of water closets required for employees in mercantile occupanciesshall conform to Table 3.7.4.8. Plumbing Fixtures for Assembly Occupancies (1) Except as provided by Sentences (2) to (16) and Sentence 3.7.4.2. Occupant load has a significant impact on the capacity of the means of egress system, the number of exits required, and the number of plumbing fixtures required. Since it is understood that teams or groups participating in these ... plumbing fixtures shall be provided for the type of occupancy and in the minimum number shown MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURES (See Sections 403.2 and 403.3 ) WATER CLOSETS (URINALS SEE SECTION 419.2 ) NO. From our example above, we can determine the library stacks occupant load by finding the load factor in the table above (100 gross) and the known area (5,000 sf). You must figure each occupant load separately Example: Multistory buildings may have mercantile, business on one floor. Plumbing Fixtures for Business and Personal services Occupancies (1) Except as provided in Sentence (2), the number of water closets required for business and personal services occupanciesshall conform to Table 3.7.4.7. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. The total occupant load shall be determined in accordance with the [BSC, DSA-SS & DSA-SS/CC] Occupant Load Factor Table A. Occupant Load Factor: The occupant load factor is a designation of square feet per person based upon the use of a given space. And when I get to plumbing fixtures minimum count I have to calculate it based on total occupancy for Business occupancy. plumbing fixtures according to Table 4-1 of LACPC under “assembly places for public use.” The number of toilet fixtures for designated employees and player arenas sha ll be determined based on occupancy groups using both Table 10-A of LACB C (use an occupant load factor of 50) and Table 4-1 of LACPC. The new occupant load (using 50 sf/occupant for Exercise Rooms from Table 1004.1.2) is 44 occupants. ft) / Occupant Factor 22. So how might this impact an occupant load calculation? The Means of Egress components should meet the maximum probable occupant load for simultaneous use, however. For example, a warehouse would have a lower occupant load and more square footage per occupant, while a nightclub would have a much more dense occupant load and less square footage per person. The determination of occupant loads for covered mall buildings and open mall buildings differs from the process used for other building types. Because the occupant load factor is not addressed specifically for roofs, section 1004.5 states that “the occupant load of such outdoor spaces shall be assigned by the building official in accordance with the anticipated use.” Determination of Occupant Load for Roof Decks Plumbing fixtures shall be provided for the type of building occupancy with the minimum numbers as shown in Table 422.1. From the tabulated fixture units as shown above, the designer can assign fixture unit values to the specific fixtures of concern in his design. If you don’t live in the life safety arena, this change allows the calculated occupant load for a business space to be notably less, thereby requiring less exit width, stair width, potentially the number of exits, and other means of egress requirements. 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