| Panel Tolerances (as Manufactured) |
| Panel Size - Molded, Compression Molded |
+/-1/8" (width, length & diagonal) |
| Panel Size - Pultruded |
+-1/4" (width, legnth & diagonal) |
| Grating Depth |
+/-1/16" |
| Panel Flatness (Wrap) |
+/- 1/32" per If (lenght direction) |
| |
+/- 1/16" per If (width direction) |
| |
| Cutting Tolerances (as Fabricated) |
| Rectangular Cuts |
+0", -1/4" |
| Straight Cuts |
+0", -1/4" |
| Circular Cuts |
+0", -3/8" |
| |
| Grating Clearances |
| To Side of Trench |
1/4" |
| To Wall |
1/2" |
| Between Panels |
0" to 1/4"1 |
| |
| Minimum Support Width |
11/2" minimum (nominal) |
| |
| Attachment |
2 Anchors at Each Support |
| |
| Banding |
| Plate 1/8" (min) attached with bolts or lag screws |
| Straight Banding - attachments spaced 12" centers |
| Curved Banding - attachments spaced 9" max (dependant on radius) |
| |
| Stair Treads |
| Nosing = "Readily Identifiable" - solid, color difference from tread, etc. |
| Recommended Tread Attachment to Stringer |
| 4 Anchors per Tread |
| Support - FRP Angle - 2"x2"x1/4" minimum x full tread run, in Length |
