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Every sleeping room shall have at least one (1) operable window or exterior door approved for emergency egress or rescue. The units must be operable from the inside to a full clear opening without the use of separate tools. Where a window is provided as a means of egress or rescue, they shall have a sill height of not more than 44 inches above the floor.
All egress or rescue windows from sleeping rooms must have a minimum net clear opening of 5.7 square feet. The minimum net clear opening height dimension shall be 24 inches. The minimum net clear opening width dimension shall be 20 inches.
To calculate the square footage of the opening, multiply the width of the opening in inches by the height of the opening in inches and dividing by 144. This measurement should be 5.7 minimum.
Every sleeping room used for sleeping purposes shall contain a minimum of seventy (70) square feet of floor area and at least fifty (50) square feet of floor area per person with all measurements based on the total habitable room area; provided that the occupancy of any dwelling unit having more than one (1) habitable room shall not exceed an average of one and one-half (1 1/2) persons per habitable room, and provided further that for the purposes of this section, a child under ten (10) years of age shall be deemed to be one-half (1/2) person.
Every dwelling unit shall contain at least one hundred (100) square feet of floor area per occupant.
A guardrail is required when:
The triangular openings formed by the riser, tread at the bottom rail at the open side of a stairway shall be of a maximum size such that a sphere 6 inches in diameter cannot pass through the opening.
A building permit issued shall become invalid if the authorized work is not commenced within six (6) months after the issuance of the permit, or if the authorized work is suspended or abandoned for a period of six (6) months after the time of commencing the work. A building permit is good for one year from the date of issuance.
Foundation systems should be four feet (4 feet) minimum below grade to protect from frost.
Ground snow load 50 wind speed 90 (mph).
Handrail requirements are: