Cbc Attic Ventilation

Recognizes current shotcrete references aci 506 213 and aci 506r 16.

Cbc attic ventilation.

1212 hcd 1 pollutant control. 1211 hcd 1 hcd 2 garage door springs. Attic ventilation cbc 1203 2 and crc r806 2 provide cross ventilation at all attic and enclosed rafter spaces. 1206 yards or courts.

1 square foot of ventilation for each 150 square feet of attic space. 2016 cbc and the july 1 2018 supplement are being repealed and coadopted with oshpd. That is openings doors windows and louvers to the outside should create a natural flow of fresh. 1203 3 the uniform building code requires enclosed attic spaces enclosed rafter spaces and under floor areas to be ventilated by not less than 1 square foot for each 150 square feet of attic under floor area.

The net free ventilation shall be a minimum ratio of 1 150 of the area or space ventilated e g. 1208 interior space dimensions. Previously adopted significant changes aligning with current industry standards include increasing from 3 000 psi to 4 000. 1203 ventilation 1204 temperature control.

1209 access to unoccupied spaces. The chart below represents the net minimum area in square inches required for proper ventilation.