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Spacing control shall be resumed using the original guides, and the number of trees <br />per acre shall not be materially increased or decreased by the method of selecting <br />planting spots. No tree shall be planted closer than fifty percent (50%) of the spacing <br />requirement to another planted tree. <br />c. Whenever possible, planting spots shall be selected where stationary protection, <br />such as stumps, logs and terrain breaks, are located on the south to west side of the <br />tree or shrub. Where stationary material is not available within the spacing <br />allocation, planter shall protect the trees or shrubs by placing the largest <br />transportable woody or inert material over three inches (3") in diameter, available <br />within the specified spacing distance, on the southwest side of the tree or shrub. <br />Where possible, these materials will be placed within one inch (1") of the tree, except <br />where larger pieces will provide protection when placed further away. When round <br />material is used, it shall be placed in a manner which prevents it from rolling. <br />Transportable material will never be placed on the uphill side of the tree or shrub. <br />Should transportable or stationary material not be available, the tree or shrub shall <br />still be planted. <br />d. Before constructing the planting hole, CONTRACTOR shall clear the planting spot of <br />all limbs, logs, bark, rotten wood, rock and loose debris and shall scalp duff, sod, <br />living plants, roots and other material unsuitable for tree growth, in order to expose <br />bare ground. Minimum scalping diameter for each planting spot is eighteen inches <br />(18"). <br />e. Hole opening shall be determined to be feasible where PROJECT MANAGER can <br />find a plantable spot in three (3) attempts within the spacing requirement, and where <br />a hole can be opened in the planting spot in five (5) or less attempts with the hand <br />tool. <br />Hole Construction, Tree and Shrub Placement, Hole Filling, Species Mixing <br />a. The hole shall be located at the center of the scalped area. An open hole, broken <br />out on three (3) sides, and deep and wide enough to fully accommodate the roots of <br />the tree or shrub plus a small volume (approximately 0.1 ounce) of hydrated <br />Polyaccrylimide is required. The opening of a hole without breaking it out on three <br />(3) sides shall not be permitted. <br />b. The trees and shrubs shall be planted in the center of the prepared hole, deep <br />enough so that the hydrated Polyaccrylimide can be accommodated at the base of <br />the hole, and one half inch (1/2") of soil can be placed on top of the plug, level with <br />the surrounding soil surface, to seal the plug into the ground. Plug growing media <br />shall not be distorted or broken from the root system during the planting process. If <br />the media is broken, the tree or shrub shall be planted as described herein, ensuring <br />that the exposed roots are not doubled up, twisted, spiraled, bunched, jammed or <br />compressed in the planting hole. <br />c. Soil shall be filled in and firmed around the plugs. Rock shall be kept out of the <br />holes. Soil shall be filled in and firmed progressively so no loose soil or air pockets <br />remain, and tree is as firmly planted as soil conditions allow. Firming of the soil shall <br />be done so that tree and root systems are not damaged. After planting, the tree <br />stem shall be erect and free to grow. The tree or shrub shall not be weighted down <br />with mud or debris. Firming soil with the heel of the foot is not permitted. <br />13