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SECTION 02115 <br />TREE PROTECTION AND TRIMMING <br />PART1 -- GENERAL <br />1.01 DESCRIPTION OF WORK <br />Only those trees which are in the direct path of construction are to be removed. <br />Contractor shall make every possible effort to save any tree of four -inch diameter or <br />larger, including minor adjustment to the pipe routing. Changes to pipe routing must be <br />approved by the Engineer. Any tree which is not designated for removal but which will <br />significantly interfere with construction shall be trimmed by a qualified tree surgeon. <br />Contractor shall minimize tree removal and tree trimming operations to as great an <br />extent as possible. <br />1.02 QUALITY ASSURANCE <br />Engage a qualified tree surgeon to perform the following work: <br />1• Carefully remove branches from trees as required for new construction; all <br />wounded trees shall be immediately treated. <br />2. Recommend procedures to compensate for loss of roots and perform initial <br />pruning of branches and stimulation of root growth where removed to <br />accommodate new construction. <br />3. Perform tree repair work for damages incurred by new construction. <br />1.03 JOB CONDITIONS <br />Provide temporary fencing, barricades, or guards to protect trees and other plants <br />which are to remain from damage. <br />PART 2 -- PRODUCTS <br />2.01 MATERIALS <br />Tree Pruning Compound: Waterproof, antiseptic, elastic, and free of kerosene, coal tar, <br />Creosote, and other substances harmful to plants. Pruned or damaged trees shall be <br />treated with the following: <br />1• Pine trees (all species) A mixture of twelve percent (12%) Benzene <br />Hexachloride (BHC) emulsifiable concentrate shall be mixed at the rate of one <br />(1) pint BHC per gallon of #2 fuel oil. Spray damaged area liberally. Spray the <br />02115 Tree Protection and Drilling.doc <br />02115-1 <br />