Available Sizes:

• Bay Widths – 12’, 14‘, 16’ 20‘, 22’ 24‘, 26’, 28‘, and 30’
• Lengths – Any multiple of 3’, 4‘, 5’, or 6‘

Material Specifications:

• Anchors and sleeves – 1.9” x 13ga tube (60,000psi yield/75,000psi tensile)
• 12’ to 20‘ Bows – 1.66” x 16ga tube (60,000psi yield/75,000psi tensile)
• 22’ to 30‘ Bows – 1.66” x 14ga tube (40,000psi yield/45,000psi tensile)
• Crossbraces*, corner braces, and purlins – 1.315 x 18ga tube (45,000psi yield/48,000psi tensile) * 22′ to 30′ have crossbraces, 12′ to 20′ do not have crossbraces
• Rib braces – .922” x 18ga tube (45,000psi yield/48,000psi tensile)

Design Criteria:

• Bow spacing is 3’, 4’, 5’, or 6’. 12’ to 20’ widths have one purlin. 22’ wide and up have three purlins with the option of five.
• Wind load – All widths 70 mph
• Endwall area – 12’ wide/85 sqft, 14’ wide/87 sqft, 16’ wide/85 sqft, 20’ wide/150 sqft, 22’ wide/157 sqft, 24’ wide/184 sqft, 26’ wide/211 sqft, 28’ wide/238 sqft, 30’ wide/275 sqft

Ground Snow Loads

Width	3′ Bow Spacing	4′ Bow Spacing	5′ Bow Spacing	6′ Bow Spacing
12′	63 lbs/sq ft	48 lbs/sq ft	38 lbs/sq ft	32 lbs/sq ft
14′	52 lbs/sq ft	39 lbs/sq ft	31 lbs/sq ft	26 lbs/sq ft
16′	56 lbs/sq ft	43 lbs/sq ft	34 lbs/sq ft	28 lbs/sq ft
20′	N/A	N/A	N/A	N/A
22′	52 lbs/sq ft	38 lbs/sq ft	31 lbs/sq ft	26 lbs/sq ft
24′	42 lbs/sq ft	31 lbs/sq ft	25 lbs/sq ft	21 lbs/sq ft
26′	34 lbs/sq ft	25 lbs/sq ft	20 lbs/sq ft	17 lbs/sq ft
28′	26 lbs/sq ft	20 lbs/sq ft	16 lbs/sq ft	13 lbs/sq ft
30′	26 lbs/sq ft	20 lbs/sq ft	16 lbs/sq ft	13 lbs/sq ft

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