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Maximum Rail Spans(Inches) SnapNrack UR-60 Rail Flush-Mount on 0 to 30 Foot Roof—Bin 5—60-Cell <br /> Ground Exposure Wind Speed-> 95 mph 100 mph 105 mph 110 mph 115 mph 120 mph 125 mph 130 mph 140 mph 150 mph 160 mph 170 mph 180 mph 190 mph <br /> Snow Load Category Panel Angle Roof Zone-> 1/2/3 1/2/3 1/2/3 1/2/3 1/2/3 1/2/3 1/2/3 1/2/3 1/2/3 1/2/3 1/2/3 1/2/3 1/2/3 1/2/3 <br /> Oto7 Army Interior 110/110/103 110/110/94 120/108/84 110/104/76, 110/99/69 209/90/63 106/82/58 .103/76/S3 69/65/45 77/56/39 67/49/34 59/43/30 52/39/27 47/34/24 <br /> Are Edge 110/96/67 107/86/60 104/78/54 97/70/49 88/64/45 81/58/41 74/53/38 68/49/35 58/42/30 50/36/26 44/32/22 38/28/20 34/25/18 30/22/16 <br /> 7 to 20 Array Interior .111/105/92 111/100/82 111/90/74 109/81/67 106/74/61 103/67/55 96/62/51 88/57/47 75/49/40 64/42/35 56/37/30 49/32/27 44/29/24 39/26/21 <br /> Army Edge 105/72/59 100/64/53 90/58/48 81/53/43 74/48/40 67/44/36 62/40/33 57/37/31 49/32/26 42/27/23 37/24/20 32/21/17 29/19/16 26/17/NA <br /> B 20 to 27 Array Interior 112/112/109 1121108/105 212/104/100 112/99/91 112/89/82 112/82/75 110/75/69 107/69/63 102/59/54 87/51/47 16/44/41 67/39/36 59/35/32 53/31/29 <br /> Arta Edge 122/87/80 112/78/72 108/70/65 105/64/59 100/58/53 91/53/49 84/49/45 77/45/41 66/38/35 _57/33,31 SO/29/27 44/26/24 39/23/21 35/20/19 <br /> 27to45 Array Interior 114/114/111 114/224/207 _114/112/203 113/108/97 309/105/88 106/102/80 103/94/74 96/86/68 82/74/58 71/64/50 62/56/44 55/49/39 48/43/34 43/39/31 <br /> "Array Edge -109/104/86 104/98/77 99/88/69 89/80/63 81/73/57 .74/66/53 68/61/48 63/56/44 54/48/38 46/42/33 41/36/29 36/32/25 32/28/23 28/25/20 <br /> 45 to 90 Array Interior 117/117/117 117/117/127 117/117/117 117/117/117 117/117/117 117/115/115 115/111/111 111/108/109 104/103/103 98/92/91 92/80/80 87/70/70 80/62/62 71/56/56 <br /> Array Edge 117/117/117 117/113/113 112/109/109 1081206/106 103/102/102 99/95/95 96/87/87 - 92/80/80 86/69/69 77/60/60 _ 67/52/52 59/46/46 53/41/41 47/37/37 <br /> 0 to Array Interior 110/102/73 110/93/65 106/84/59 103/76/53 95/69/48 87/63/44 79/57/41 73/53/37 :2/45/32 54/39/28 47/34/24 41/30/21 37/27/19 33/24/17 <br /> Amy Edge 93/67/47 83/60/42 75/S4/38 68/49/35 61/45/32 56/41/29 51/37/26 47/34/24 41/30/21 35/26/18 31/22/16 27/20/NA 24/17/NA 21/16/NA <br /> 7 to 20 Arrayinterior 108/77/64 104/69/57 97/63/52 87/57/47 79/52/43 73/47/39 66/43/36 61/40/33 52/34/28 45/30/24 39/26/21 35/23/19 31/20/17 28/18/NA <br /> Army Edge 77/SO/42 69/45/37 63/41/34 57/37/31 52/34/28 47/32/25 43/28/23 40/26/22 34/22/18 30/29/16 26/17/NA 23/NA/NA 20/NA/NA IB/NA/NA <br /> 0 psf C 20 to 27 Array Interior 112/94/86 112/84/77 111/76/70 107/69/63 104/62/58 99/57/53 90/52/48 83/48/44 71/41/38 61/36/33 53/31/29 47/27/25 42/24/23 37/22/20 <br /> Army Edge 103/61/S6 94/55/SO 85/49/45 77/45/41 70/41/38 64/37/34 58/34/32 54/31/29 46/27/25 40/23/22 35/20/19 31/18/17 27/16/NA 24/NA/NA <br /> 27to45 Array interior 111/207/92 107/203/83 103/95/75 96/86/69 87/78/62 80/71/56 73/65/52 67/60/48 58/52/41 50/45/35 44/39/31 38/34/27 34/31/24 31/27/22 <br /> Array Edge 85/76/60 76/68/54 69/62/49 62/56/44 57/51/40 52/47/37 48/43/34 44/39/31 38/34/27 33/29/23 29/26/20 25/23/18 22/20/16 20/18/NA <br /> 45 to 90 Amy Interior 117/117/117 117/116/116 116/212/112 111/108/108 107/105/105 103/102/102 99/94/94 95/86/86 89/74/74 82/64/64 72/56/56 63/49/49 56/44/44 50/39/39 <br /> Array Edge 1 105/104/104 101/98/98 96/88/88 92/80/80 88/73/73 85/67/67 79/61/61 73/57/57 62/49/49 54/42/42 47/37/37 42/33/33 37/29/29 33/26/26 <br /> 0 to Array Interior 108/86/61 104/77/54 97/70/49 87/63/44 .79157/40 72/52/37 66/48/34 61/44/31 52/38/27 15/33/23 39/29/20 35/25/18 31/22/16 27/20/NA I7 <br /> Array Edge 77/56/39 69/50/35 62/45/32 56/41/29 51/37/26 47/34/24 43/31/22 40/29/20 34/25/18 29/21/NA 26/19/NA 23/16/NA 20/NA/NA 18/NA/NA I <br /> 7 to 20 Array Interior 10D/6S/53 90/58/48 81/52/43 73/47/39 66/43/36 61/39/33 56/36/30 51/33/28 44/29/24 38/25/20 33/22/18 29/19/16 26/17/NA 23/NA/NA <br /> Army Edge 65/42/35 58/38/31 52/34/28 47/31/26 43/28/23 39/26/21 36/24/20 33/22/18 29/19/NA 25/16/NA 22/NA/NA 19/NA/NA 17/NA/NA NA/NA/NA <br /> D 20 to 27" Army Interior 112/78/72 108/70/65 204/63/58 99/57/53 90/52/48 82/48/44 75/44/40 69/40/37 59/35/32 .51/30/28 45/26/24 39/23/21 35/20/19 31/18/17 <br /> Army Edge -88/51/47 79/46/42 71/42/38 64/37/35 58/34/31 53/31/29 49/29/26 45/26/24 39/23/21 33/20/18 29/17/16 26/NA/NA 23/NA/NA. 20/NA/NA <br /> 27to45 Allay Interior 104/98/77 98/88/69 89/79/63 80/72/57 73/65/52 67/60/47 61/55/43 56/51/40 48/43/34 42/38/30 37/33/26 32/29/23 29/26/20 26/23/18 <br /> • Arra Edge 71/64/50 -64/57/45 58/52/41 52/47/37 48/43/34. 44/39/31 40/36/29 37/33/26 - 32/28/23 27/25/20 .24/22/17 21/29/NA 19/17/NA 17/NA/NA <br /> 45 to 90 Army Interior 117/113/113 .112/109/109 107/105/105 1031102/102 99/94/94 95/86/86 91/79/79 88/72/72 80/62/62 69/54/54 60/47/47 53/42/42 47/37/37 41/33/33 <br /> Army Edge '98/91/91 93/82/82 89/74/74 85/67/67 79/61/61 72/56/56 66/52/52 61/48/48 52/41/41 45/35/35 40/31/31 35/27/27 32/24/24 28/22/22 <br /> Oto7 Army Interior 205/105/103 105/105/94 105/105/84 105/104/76 105/99/69 105/90/63 105/82/58 103/76/53 89/65/45 77/56/39 67/49/34 59/43/30 52/38/27 47/34/24 <br /> Array Edge 205/96/67 105/86/60 104/78/54 97/70/49 88/6414S 81/58/41 74/53/38 68/49/35 58/42/30 50/36/26 44/32/22 38/28/20 34/25/18 30/22/16 <br /> Array Interior 111/105/92 _III/100/82 __122/90/74__109/81/67 _ -205134161_ _303/67/55____96/62/51 _88/57/47__ _-75/49/40 __ 64/42/35— --56/37/30- —49/32/27 44/29/24 39/26/21-- - - <br /> 7to20- Army Edge 105/72/59 100/64/53 90/58/48 81/53/43 74/48/40 67/44/36 62/40/33 57/37/31 49/32/26 42/27/23 37/24/20 32/22/17 29/19/16 26/17/NA <br /> 8 20 to 27 Army Interior 112/112/109 112/108/105 112/104/100 112/99/91 112/89/82 112/82/75 110/75/69 107/69/63 102/59/54 87/51/47 76/44/41 67/39/36 59/35/32 53/31/29 <br /> Army Edge 112/87/80 112/78/72 108/70/65 105/64/59 100/58/53 91/53/49 84/49/45 77/45/41 66/39/35 57/33/31 50/29/27 44/26/24 39/23/21 35/20/19 <br /> 27to45 Array Interior 114/114/111 114/114/107 114/112/303 113/108/97 109/105/88 106/102/80 103/94/74 96/86/68 82/74/58 71/64/50 62/56/44 55/49/39 48/43/34 43/39/31 <br /> Amy Edge 108/104/86 104/98/77 99/88/69 89/80/63 91/73/57 74/66/53 68/61/48 63/56/44 54/48/38 46/42/33 41/36/29 36/32/25 32/28/23 28/25/20 <br /> 45 to 90 Army Interior 117/127/117 1171117/117 117/117/117 117/117/117 117/117/117 117/115/115 115/111/111 111/108/108 1041103/103 98/91/91 92/80/80 87/70/70 8D/62/62 71/56/56 <br /> Army Edge 117/117/117 117/113/123 112/109/109 106/106/106 103/102/102 99/95/95 96/87/87 92/90/80 86/69/69 77/60/60 67/52/52 59/46/46 53/41/41 47/37/37 <br /> 0 to Array Interior 105/102/73 105/93/65 205/84/59 103/76/53 95/69/48' 87/63/44 79/57/41 73/53/37 62/45/32 54/39/2g 47/34/24 41/30/21 37/27/19 33/24/17 <br /> Arm Edge 93/67/47 83/60/42 75/54/38 68/49/35 61/45 32 56/41/29 51/37 26 47/34/24 41/30/21 35/26/18 32/22/26 27/20/NA 24/17/NA 21/16/NA <br /> 7 to 20 Army Interior 108/77/64 104/69/57 97/63/52 87/57/47 79/52/43 73/47/39 66/43/36 61/40/33 52/34/28 45/30/24 39/26/21 35/23/19 31/20/17 '28/18/NA - <br /> _ .-.Array Edge 77/50/42 69/45/37 - 63/42/34 57/37/31 -52/34/28 -47/31/25 - 43/28/23 40/26/22 -34/22/18 30/19/16 26/17/NA 23/NA/NA IO%NA/NA 18/NA/NA <br /> 5 ptf C 70 to 27 'Array Interior 212/94/86 112/84/77 111/76/70 107/69/63 104/62/58 99/57/53 90/52/48 83/49/44 71/42/38 61/36/33 53/31/29 47/27/25 42/24/23 37/22/20 <br /> Array Edge 103/61/56" 94/55/50 85/49/45 77/45/41 70/41/38 64/37/34 59/34/32 54/31/29 46/27/25 40/23/22 35/20/19 31/18/17 1 27/16/NA 24/NA/NA <br /> 27to45 Array Interior .111/107/92 107/103/83 103/95/75 96/86/68 87/78/62 80/71/56 73/65/52 .67/60/48 58/52/41 50/45/35 44/39/31 '38/34/27 34/31/24 31/27/22 J <br /> Array Edge 85/76/60 76/68/54 69/62/49 62/56/44 57/51/40 - 52/47/37 48/43/34 44/39/32 38/34/27 33/29/23 29/26/20.- 25/23/18 22/20/16 20/18/NA' <br /> 45 to 90 Array Interior 117/117/117 117/116/116 116/1121112 111/108/108 1071105/105 103/102/102 99/94/94 95/86/86 89/74/74 82/64/64 72/56/56 63/49/49, 1 56/44/44 so/39/39 I - <br /> Army Edge 105/204/104 201/98/98 .96/88/88 92/80/80 88/73/73 '85/67/67 79/61/61 73/57/57 62/49/49 54/42/42 47/37/37 42/33/33 37/29/29 33/26/26 <br /> 0 to Army Interior 105/86/61 104/77/54 97/70/49 87/63/44 79/S7/40 72/52/37 66/48/34 61/44/31 52/38/27 4S/33/23 39/29/20 35/25/18 31/22/16 27/20/NA <br /> Array Edge 77/56/39 69/50/35 62/45/32 56/41/29 51/37/26 47/34/24 43/31/22 40/29/20 34/25/18 29/21/NA 26/19/NA 23/16/NA 20/NA/NA Ig/NA/NA <br /> 7 to 20 Array Interior 100/65/53 90/58/48 81/52/43 73/47/39 66/43/36 61/39/33 56/36/30 51/33/28 44/29/24 38/25/20 33/22/18 29/19/16 26/17/NA 23/NA/NA - <br /> Army Edge 65/42/35 58/38/31 52/34/28 47/31/26 43/28/23 39/26/21 36/24/20 33/22/18 1 29/19/NA 25/16/NA 22/NA/NA 19/NA/NA 17/NA/NA NA/NA/NA <br /> D 20 to 27 Array Interior 112/78/72 108/70/65 104/63/58 99/57/53 90/52/48 82/48/44 75/44/40 69/40/37 59/35/32 51/30/28 45/16/14 39/23/21 35/20/19 31/18/27 <br /> Array Edge 88/51/47 79/46/42 71/41/38 64/37/35 58/34/31 53/31/29 49/29/26 45/26/24 319/23/21 33/20/18 29/17/16 26/NA/NA 23/NA/NA 20/NA/NA <br /> 27to45 Amy Interior 104/98/77 98/88/69 89/79/63 80/72/57 73/65/52 67/60/a7 61/55/43 56/51/40 48/43/34 42/38/30 37/33/26 32/29/23 29/26/20 26/23/18 <br /> Array Edge 71/64/50 64/57/45 59/52/41 52/47/37 48/43/34 44/39/31 40/36/29 37/33/26 32/29/23 27/25/20 24/22/17 21/19/NA 19/17/NA 17/NA/NA <br /> 45 to 90 Amay Interior 117/113/113 112/109/109 107/105/105 103/102/102 19/14/94 95/86/86 91/79/79 88/72/72 80/62/62 69/54/54 60/47/47 53/42/42 47/37/37 42/33/33 <br /> Array Edge 98/91/91 93/82/82 89/74/74 85/67/67 79/fi1/fit 72/56/56 66/52/52 61/48/46 52/42/41 45/35/35 40/31/31 35/27/27 31/24/24 28/22/22 <br /> A <br /> G) <br /> l\D <br /> N <br /> W <br />