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8.A <br /> Page 97 <br /> � I <br /> 1��� Walter Levison �� <br /> � CONSULTING ARBORIST �� � <br /> PNW-ISA Tree Risk Assessor #593 ASCA R istered Consultin Arborist #401 ISA Certified Arborisl #WC-3172 <br /> 3.0 Recommendations <br /> (In the general order they should be performed) <br /> 1. PROJECT ARBORIST: I <br /> Retain Walter Levison or another ASCA Registered Consulting Arborist as the Project <br /> Arborist or "PA" to perform the following consulting work (pre- and post-demolition periods}: <br /> a. Inspect initial wood chip mulching. <br /> b. Verify soil moisture of 100% field capaciry in the open soil root zones of trees #1 and #2 <br /> using a 24" Lincoln moisture probe. <br /> c. Inspect chain link TPZ fencing on driven iron posts around irees #1 and #2. <br /> d. Inspect trunk buffer around lower trunk of oak #1. <br /> 2. TRUNK BUFFER: <br /> ti . � <br /> Install a trunk buffer around the lower trunk of oak #1 to ��`-��, t� =� <br /> prevent damages which might occur to the above ground `^; , .:_� <br /> portions of the tree during demolition of the existing buckled �` ••� = _ <br /> concrete sidewalk and driveway. Y `�`�`' <br /> � � :'� ��, <br /> Trunk buffers typically consist of about 40 wraps (2 inches <br /> thickness) of orange plastic over the lower trunk which uses <br /> 1 to 2 entire rolls of orange plastic per tree, covered by <br /> landscape bender board and/or 2X4 wood boards standing <br /> vertically side by side, affixed using duct tape (see spec <br /> photo to right). <br /> 3. CABLING: <br /> Consider retaining an ISA Certified Arborist to install cabling between the two maintems of <br /> redwood #2 per Henry Ardalan report. <br /> 4. PRUNING: <br /> If possibfe, no pruning should be performed at this site. <br /> All pruning shall conform to the latest iteration of ANSI A300 American National Standard for <br /> tree care operations ! tree, shrub, and other woody plant maintenance Pruning. <br /> 5of14 <br /> Site Address: 448 Saint Francis Version: 08272010 <br /> Walter Levison O All Rights Reserved <br /> Registered Member, American Society oi Consulting Arborists and Member of the Inlemational Society of Arboriculture <br /> Phone/Fax (650) 697-0990 <br />