The IBC for emergency exit and rescue from a window requires that the net window area when open be equal to 5.7’. The window pictured above has net open area of 5.625’, and therefore does not meet the IBC.
Code Requirements (Residential Stairs) The stairs shown to the right were measured with a tread depth of 11” while the risers were at a height of 7 ½”. The IBC states that for residential stairs the treads shall measure a minimum of 10” and the risers shall measure a maximum of 7 ¾”. These stairs DO meet the IBC.
A beam that carries the load across the opening of a window or doorway.
Mortar Mortar Joint #1 – Joint #1 appears to be a troweled joint, the measured width was 3/8” the type of mortar is most likely N. The above bldg can be considered a commercial use structure. Mortar Joint #2 – Joint #2 appears to be a tooled joint, the measured width of the joint was 3/8”. The mortar type is most likely N. The above bldg can be considered a commercial use structure.
The above rebar was measured at 3/8” diameter or # 3 rebar. The purpose of the deformations of the rebar are to give added ability of the concrete to bond with the rebar.
Steep Roof Drainage Gutter Splash block Downspout Downspout – A vertical pipe for conducting water from a roof to a lower lever. Gutter – A channel that collects rainwater and snowmelt at the eave of a roof. Splash block – A small precast block of concrete or plastic used to divert water at the bottom of a downspout.
Steep Roof Materials Underlayment – A layer of waterproof material such as a building felt between roof sheathing and roofing. Shingle – A thin unit of water-resistant material nailed in overlapping fashion with many other units to render a sloping roof watertight. Wood Shingles
Steep Roof Shapes From left top clockwise: Gable Roof Gambrel Roof Hip Roof
Steep Roof Terms Ridge – intersection of two roof planes Valley – trough formed by intersection of two roof slopes. Eave – Horizontal edge at the low side of a sloping roof.
Steep Roof Terms Rake – sloping edge of a steep roof. Soffit – Undersurface of a stair or roof overhang. Fascia – The exposed vertical face of an eave.