Roof Slab Framing Plan

Fifth roof floor slab layout plan.

Roof slab framing plan. A 2 4 wall with a 2 6 rafter can be notched for a 4 seat. Fifth roof floor slab bottom reinforcement plan. Roof framing simply describes how a group of rafters and beams are fitted or joined together in order to provide support for the roof covering. No framing or structural members are to be modified notched or cut without the approval of the engineer.

The design of the upper storey extension was a lightweight strut frame structure and after calculations were undertaken it was shown that the slab could not sustain the additional live load. The construction of the original building consisted of a reinforced concrete frame with cast in situ trough floors. Any discrepancies shall be brought to the attention. One of the most important parts of building a sturdy roof is the initial roof framing plan.

Measure down y height from the long point of the rafter cut and make a mark. This will the first point of the rafter measurement line. The ownner shall familiarize themselves with the drawings. An extra floor was required to be constructed which involved converting the original roof slab to a floor slab thereby increasing the live load capacity to 3 kn m 2.

For our 4 x8 lean to example using a 2 4 rafter the depth of the birdsmouth is limited by the 1 3 depth of the rafter rule. Roof framing rafter layout from one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it. Use a framing square to help lay out the notch based on the slope of the roof. Fifth roof floor slab layout plan.

Parts of a roof a ridge board is a horizontal member of the roof frame.