Using the Rafter Table, Find the Length of Common Rafters

Short Answer

Using the rafter table, find the length of common rafters in the following problems. Express answers in feet and inches, correct to the nearest 1/8 inch.

$\begin{array}{c}\text { WINDOW SCHEDULE }\\\begin{array}{|c|c|c|l|l|l|l|l|}\hline \text { Symbol } & \text { Item } & \text { Quantity } & \begin{array}{c}\text { Type } \\\text { Window }\end{array} & \text { Rough Opening } & \text { Unit Size } & \begin{array}{c}\text { Manufacturer } \\\text { No. }\end{array} & \text { Remarks } \\\hline \text { A } & 1 & 1 & \text { Bay } & 9^{\prime}-9 ~~1/2^{\prime \prime} \times 5^{\prime}-4^{\prime \prime} & 9^{\prime}-6~~1/4^{\prime \prime} \times 4^{\prime}-11 ~~1/8^{\prime \prime} & \text { Jones } 1580 &\text { Radius } 10^{\prime}-4 ~~1/2{ }^{\prime \prime}\\\hline \text { B } & 2 & 4 & \text { Sliding } & 3^{\prime}-7~~1/4^{\prime \prime} \times 3^{\prime}-6 ~~1 / 4^{{\prime \prime}} & 3^{\prime}-5~~1/2^{\prime \prime} \times 3^{\prime \prime}-3~~1/ 2^{\prime \prime} & \text { Smith } 16285 &\text { Removable Sash}\\\hline \text { C } & 3 & 1 & \begin{array}{l}\text { Double } \\\text { Hung }\end{array} & 2^{\prime}-10~~1/8^{\prime \prime} \times 3^{\prime}-1~~1 / 8^{\prime \prime} & 2^{\prime}-8^{\prime \prime} \times 2^{\prime}-10^{\prime \prime} & \text { Jones } 1437 \\\hline \text { D } & 4 & 6 & \begin{array}{l}\text { Double } \\\text { Hung }\end{array} & 3^{\prime}-2~~1/8^{\prime \prime} \times 4^{\prime}-5~~1/3^{\prime \prime} & 3^{\prime}-0^{\prime \prime} \times 4^{\prime}-2^{\prime \prime} & \text { Jones } 1467 \\\hline \text { E } & 5 & 2 & \text { Casement } & 5^{\prime}-4^{\prime \prime} \times 1^{\prime}-8^{\prime \prime} & 4^{\prime}-11^{\prime} \times 1^{\prime}-3^{\prime \prime} & \text { Smith } 782 \mathrm{~A} \\\hline\end{array}\end{array}$ What is the span of a roof if the pitch is 1/6 and the rise is 6 feet?