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LANDSCAPING <br />Section 02900 <br />Project 15-1207 <br />insure proper drainage from plant pits. <br />3. Fill excavated planting pits with water to half the depth of pit. Pits should drain <br />within four hours (4 hrs). If planting pits do not drain, notify Project Inspector <br />immediately. Do not proceed with planting until Landscape Architect has <br />resolved a method to provide drainage. <br />3.04 ROOT BARRIER INSTALLATION <br />A. Install root barrier where trees are planted within sixty inches (60") of paving or other <br />hardscape elements, such as walls, curbs, and walkways, unless otherwise shown on <br />Drawings. <br />B. Align root barrier vertically and run it linearly along and adjacent to the paving or other <br />hardscape elements to be protected from invasive roots. <br />C. Install root barrier continuously for a distance of five feet (6) in each direction from the <br />tree trunk, for a total distance of ten feet (10') per tree. If trees are spaced closer, use a <br />single continuous piece of root barrier. <br />Position top of root barrier one inch (1") below finish grade. <br />2. Do not distort or bend root barrier during construction activities. <br />3. Do not install root barrier surrounding the root ball of tree. <br />3.05 PLANTING <br />A. Lawn Sod: <br />1. Cultivate all lawn areas to a depth of six inches (6"). If cultivation does not break <br />lumps, pull a spike -toothed harrow over the area behind the tractor. <br />2. Give all lawn areas that are to be sodded a smooth finish to prevent pockets. Do <br />not allow any abrupt changes of surface. Prior to installation of sod, roll the grade <br />with a 200 pound water -ballast roller. Request that the lawn grade be inspected <br />and approved by the Landscape Architect prior to sodding to determine its <br />suitability for planting. Obtain such approval prior to commencing sodding <br />operations. <br />3. Do not take heavy objects (except lawn rollers) over lawn areas after they have <br />been prepared for planting. <br />4. Completely lay the sod within twelve hours (12 hrs) of delivery. Do not leave sod <br />on pallets in the hot sun longer than necessary. <br />5. Unroll sod carefully. Lay sod tight without any visible open joints, and without <br />overlapping; stagger end joints twelve inches (12") minimum. Do not stretch or <br />overlap sod pieces. Do not place sod in pieces smaller than twenty-four inches <br />(24") in length by width of roll. <br />11 <br />