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2.1.1 Materials <br /> Mulch -Ground hemlock or fir bark. <br /> Tree Stakes -Nominal 2" x 2" x 6' fir or approved equivalent. <br /> Tree Ties -Minimum 3/4" width ties that will not damage tree bark. Submit for approval. <br /> Mycorrhizal Fungi - Supplied by City in appropriate quantities. <br /> i <br /> <br /> i <br /> Hydrogel -Supplied by City in appropriate quantities. <br /> Plant Material -Supplied by City. <br /> 2.1.2 Planting Seasons <br /> Bare root trees may only be planted between October 15''' and March 15a' unless otherwise approved by the <br /> Urban Forester. Balled and burlapped or containerized trees may be planted between September 15~' and <br /> Apri115~' unless otherwise approved by the Urban Forester. <br /> 2.1.3. Weather Conditions <br /> Planting will not be permitted during the following conditions unless approved by the Urban Forester: <br /> *Cold weather -when air or ground temperature. is less than 32 degrees F; <br /> *Hot weather =when air temperature is greater than 90 degrees F; <br /> *Wet weather -when the ground becomes saturated; or <br /> *Windy weather -when wind velocity is greater than 30mph. - <br /> 2.1.4 Site Preparation. <br /> a) `Balled and burlapped, containerized, or in-ground fabric bag grown trees: <br /> Dig a shallow, broad tree planting hole at least 1 '/z times the diameter of the root ball .and to a <br /> depth that will allow the tnmk flare to be a minimum of 1" and a maximum of 2" above final grade. <br /> Score the edge of the hole to leave the edges rough and not smooth. This is to encourage rooting <br /> into the existing soil. <br /> b) Bare root trees: <br /> Dig a shallow, broad tree planting hole at least 1' wider than the spread of the roots to allow the <br /> roots sufficient area. The hole shall have sufficient depth to allow the trunk flare to be a minimum <br /> of 1" and a maximum of 2" above final grade. Leave a mound in the center of the hole. Drape and <br /> spread the roots in their natural position over the mound. <br /> Score the edge of the hole to leave the edges rough and not smooth. This is to encourage rooting <br /> into.the existing soil.. <br /> c) If a stump remnant, significant old root material, or other material prevents planting, the contract <br /> administrator shall be contacted for an alternative location at the same address. The City shall <br /> attempt to avoid such conflicts and the Contractor shall contact the administrator only after <br /> attempting to address the obstruction. This may include cutting up to four inch diameter woody <br /> material <br /> <br />