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stairs

  1. S

    Width of convenience stairs in a shopping mall

    There are two convenience stairs (I don't know why they are called "convenience stairs", but it shows up in a test) in a shopping mall with 3500 occupant load. There are other exit stairs and elevators which comply with Ontario Building Code. The question in the test is to calculate the width...
    • sunyaer
    • Thread
    • shopping mall stairs
    • Replies: 1
    • Forum: Canada
  2. T

    Maximum stair nosing projection discrepancy- IBC vs ANSI?

    I cannot find much documentation on the apparent differences between ANSI's 1.5" maximum stair nosing projection and IBC's 1.25" maximum projection- has anyone found any articles or commentary on this issue? More specifically, 2009 and 2017 versions of ANSI A117.1 Section 504.5 Nosings notes...
  3. tomtomtom

    Residential components of Mixed Use - Stair Components

    We are renovating an existing second story apartment into two units, in a conforming mixed use building (two commercial units on the first floor, two apartments on the second). There is an interior stair which exits outdoors, which will serve one unit: existing no change. The second unit will be...
  4. A

    Interior Exit Stair Run - Change of vertical direction

    Reviewing a project under the 2018 IBC. Project has an interesting interior exit stair configuration. Level of discharge from the stair is essentially halfway between first and second floor. The landing height between the two floors is slightly lower than the discharge. The sequence for...
  5. S

    Egress clearance

    Where in Ontario building code is this egress clearance of exit stairs prescribed? https://www.dropbox.com/s/64soh2lknguzd9q/Egress%20Clearance.jpg?dl=0
    • sunyaer
    • Thread
    • egress clearance exit stairs
    • Replies: 15
    • Forum: Canada
  6. S

    height of handrail on stairs and ramps 965 mm vs 1070 mm

    This is from Ontario Building Code: 9.8.7.4. Height of handrails (2) Except as provided in Sentence (3), Clause 3.8.3.4.(1)(e) and Sentence 9.8.4.5A.(1), handrails shall be 865 mm to 1 070 mm high. ----------------------------------------------------------- 3.8.3.4. Ramps (1) Ramps located in...
    • sunyaer
    • Thread
    • barrier free handrail height ramps stairs
    • Replies: 20
    • Forum: Canada
  7. G

    [help] Problematic basement stairway, alternating tread stairs code compliance

    Hi all, I have a very tight stairway space leading from first floor to basement. I can't really do spiral stairway since the opening width is only 3 ft (not sure if I can use hinged floor hatch on the floor so it can be used as hallway when I don't go to basement. Example...
  8. P

    Sliding barndoor at the bottom of stairs

    I currently live in a room at the top of a flight of stairs, and at the bottom is a sliding barn door without a landing on the interior side. Without the landing, is this legal? Thanks! It looks similar to this...
  9. M

    42 vs 36 inch stair railing in CA home.

    I need help regarding California building codes for stairs. We have a two story home with staircase connected to wall on one side. There are 8 steps before intermediate landing and then another 8 steps to the second floor. As per CA building codes, the guardrail should be 42” tall and handrail...
  10. M

    Need clarification on Ontario building code for guardrails

    I'm trying to understand what is meant by section 3.3.1.17 'Guards' of the Ontario Building Code. link to building code: http://www.buildingcode.online/328.html Where it states: "openings through any guard that is required by Sentence (1) shall be of a size that will prevent the passage of a...
    • mhorton
    • Thread
    • canada clearances guardrails obc stairs
    • Replies: 10
    • Forum: Canada
  11. R

    STORIES WITH ONE EXIT

    Hello, I'm doing the feasibility study for a new residential building in Miami Beach. It's a small building, for apartments with a total of 7,500sf. The maximum number of stories by the zoning code is 5 levels. I'm placing parking spaces on the ground floor + 4 residential floors, so, 5 floors...
  12. J

    2 story office building and operable windows question...

    Need a little help! I am located in Alabama and we are working on a small 2 story office building. Here is the breakdown of the building: 1st Floor: 3,115 SF (load 31) 2nd Floor: 1,625 SF (load 16) Occupancy: B There is one central egress stair in the building (only 1 egress required per...
  13. WindowlessBuildingOwner

    Dilemma: A looong townhouse, buildings on both sides so no windows, how can we build bedrooms?

    We're trying to work out a design, and our structural engineer (who is licensed to submit stamped plans) is trying to figure this out as well, but we can't seem to figure out the right solution. Could anyone help me figuring out this dilemma? Location: New Castle County, Delaware Age: 1880s...
  14. W

    Basement stair width code??

    I'm having trouble interpreting IRC Section 311.7 pertaining to stair width code. https://codes.iccsafe.org/content/IRC2018/chapter-3-building-planning For purposes of determining code compliance on new residential basement stair width, is stair width measurement supposed to be taken at some...
  15. M

    Stair Egress Signage

    What would be the correct wording for the direction/location to an exit that is on a landing between the first & second level of a building?
  16. Keith

    Occupant load in Restrooms & Stairs for Office/Business 1004.1.2

    A city building official said that we need to calculate occupant load in the restrooms for an office T.I. CBC Table 1004.1.2 references GROSS vs. NET for occupant load based on function of space. Other than that table and FLOOR AREA, GROSS definition in Section 202, are there any other codes...
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