SRT or “single rope technique” uses a static line anchor system, which doubles as the climbing line… to ascend the tree canopy only. Often used when gaining access to tall conifers or a “crowed” tree. The main reason, though certainly not the only reason, to have an SRT line stay in place is for rescue and lowering purposes. Not discussed in this video. Please be mindful of the vector forces that are passed on to the redirected anchor at the limb. 2X the force of the basal anchor is applied to the branch. To install a basal or ground belay anchor, one option is to use an adjustable prusik and figure 8 belay device. Attach a prusik to the anchor rope. Tie an alpine butterfly knot and connect the alpine butterfly to the anchor line by way of a carabiner. Snug the anchor and the prusik. Attach a rescue figure 8 device to the working end of the anchor rope with a locking carabiner. Lock of the climbing line (which has already been positioned over the upper branch for ascending) to the figure 8. PETZL SEQUOIA Seat harness for arborists using traditional footlock ascent techniques Extra-wide, semi-rigid waistbelt offers exceptional support and ventilation Waistbelt and suspension seat lined with breathable perforated foam for maximum comfort when suspended Easy to don with FAST buckles on the waistbelt and leg loops Attachment bridge provides lateral mobility Attachment bridge is attached to the waistbelt and to the leg loops by two gated rings in order to: – distribute the pressure evenly between the waistbelt and leg loops (three positions) – adapt the length of the attachment bridge – attach the RING S or the SWIVEL directly to the attachment bridge The two lateral attachment points transfer the weight evenly around the waistbelt for comfort when leaning back in the belt (when feet are supported) Five equipment loops with protective sheaths Two rings for attaching a hand saw Slots for CARITOOL tool holder
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