$2.($ref: section $1))$For $26$LB$20,$ L$=18,$ at maximum load that the design guide allows. See L beams in chapter $2.$ See earlier pages in the code for definition of the strand pattern and ys$.$ Do two load cases: DL$,$ then Total Load. $($You may not need SD$,$ but if you do: $30\%$ of the applied load is superimposed dead load, ~$70\%$ LL$.)$Find the stresses $($midspan only$)$ usinga$)$ Basic Statics Conceptsb$)$ C$-$Line Methodc$)$ Load Balancing