Specifications include, but are not limited to: 1. Minimum 30' wide x 48' long x 12' high frame a. 2.375" OD bows, minimum 16 gauge steel b. Bow spacing - 4' OC c. +/- 3' long anchor posts, 2 per bow d. Standard end-wall bracing e. Minimum 3 purlins, 1.315" OD; 5 purlins optional 2. Bow trusses for every bow a. 1.315" OD minimum b. Minimum "V" shaped vertical bracing 3. Cover material a. 48' x' 100' [minimum] UV/AD/IR greenhouse plastic b. Wire lock (Wiggle-wire) and C-channels to affix plastic c. Inflation kit for double layer cover (blower, mount, etc.) 4. Roll-up sidewalls 5. Steel-framed end-wall kits a. Twin-wall polycarbonate panels b. One end-wall with 3' [minimum] x 6.5' [minimum] person-door; full-size (tractor access) door optional c. One end-wall with [minimum] 8' x 8' opening and door for tractor access i. Sliding, barn-style doors preferred