A building located in Nanaimo B$.$C$.$ has an attached single storey garage with an overhead door lintel spanning $4\mathrm{.}4$ m$.$ The lintel supports a ceiling and roof trusses spanning $6\mathrm{.}7$ m$.$ Without interpolating the lintel span tables what is the minimum size lintel permitted if the lintel is Spruce #$2$ lumber?

Question $10$ options:

a$)$

$5-38$ mm x $286$ mm

b$)$

$4-38$ mm x $286$ mm

c$)$

Span is too long for Table, must be designed in Part $4.$

d$)$

Span is too long for Tables, can use a glued laminated lintel.