WESTERN WOODS

ber structural grades from 2x4 up to 3x16. Select the species and size. then enter the loading conditions and DesignEasy generates a table of spans for each of the appropriate structural grades for four different on-center spacings.

Though DesignEasv rvas originally created for use on a PC. it has been optimized for use on portable handheld devices such as Palm or PocketPC. With Designfas-r loaded on a PDA. you can easily check lumber joist and rafter spans onsite for nearly all rvestern solid-sawn products.

Both the Lwnber Design Srrire and Lumber DesignEast can be dorvnloaded at no charge from the WWPA Online Lumber Technical Guide. www.wwpa.org/techguide. Free registration is required to access the site. Additionally. both softrvare progr:rms are included in the WWPA Digital Libran'. a compact disc containing a full compliment of western lumber digital publications.