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Marymount Athletic Field Expansion Project <br />Initial Study -Mitigated Negative Declaration <br />115 yards long in order to accommodate NAIA sanctioned soccer matches. 1 Otherwise, <br />the proposed field uses are generally similar to those in the approved project studied in <br />the Certified EIR. The proposed athletic field would be used by men's and women's <br />soccer teams. The proposed athletic field would also be a multiple purpose field that could <br />accommodate a number of different recreational activities. Uses of the field would include <br />club sports (i.e.: inter-collegiate matches) and intramural sports for teams playing softball, <br />lacrosse, soccer, and flag football. The athletic field would also be used for summer <br />recreational programs and by community organizations. <br />Fencinig!Netting. In accordance with Condition of Approval No. 175, 30-foot high <br />netting would be installed. In the approved project, the tennis courts to the west of the <br />field included 20-foot high permanent fencing that would serve to block errant balls <br />instead of netting. Because the proposed project would eliminate the two tennis courts on <br />the west side of the field, the proposed netting would extend along the entire westerly <br />side of the field, thereby surrounding the field on the north, west, and south sides. The <br />netting would be retractable and only used when the athletic field is in use where there is <br />a possibility of errant balls or objects leaving the field. Although the netting would be <br />retractable, the 6-"nth diallileter. smpport pole&alo.ng the field's western and southern <br />boundaries wou1d remain pe11manently extended. The poles along the north side 0£ the <br />field would be retracted to a height of 10 feet above aderwhen the'llets are.~etracted. The <br />netting would have holes approximately 1.5 square inches in size. <br />Synthetic Turf The project involves a change in the proposed field surface from <br />natural grass to synthetic turf in order to accommodate multiple recreational uses. The <br />synthetic turf would be approximately 2.5 inches thick and would be laid on top of a four- <br />inch deep Caltrans Class II aggregate base, which would be underlain by a sub-surface <br />drainage system over a permeable membrane covering the graded site2• Maintenance of a <br />synthetic field typically involves sweeping and brushing the field to remove debris and <br />occasional rinsing or washing to remove stains and debris. <br />Sound. The proposed project would involve a modification to Condition of <br />Approval No. 136 to allow up to three events with amplified sound as part of and subject <br />to Marymount's annual Special Use Permit (SUP). Currently, the only event permitted to <br />have amplified sound on the field is the graduation ceremony. <br />Dimensions and Topography. The grading of the athletic field would lower the <br />profile of the area in order to minimize views of the field and to use the topography as a <br />natural barrier to retain balls. The topography would slope down towards the field on <br />three sides. The height of the slope around the athletic field on the north side would range <br />from 10.5 to 12.5 feet, and on average the top of the slope would be more than 32 feet from <br />1 NAIA requires the field size to be between 70 and 75 yards wide and between 115 and 120 yards in length. <br />2 The proposed field would require approximately 1,050 cubic yards of aggregate base material, which would be <br />imported to the site. The contractor would import this material using the same trucks that would be used to export the <br />excavation material; thus, the trucks that would bring the aggregate to the site would also be used to remove the <br />excavated material. Thus the estimated number of truck trips assumed in the analysis in this Initial Study includes <br />both import of aggregate and export of excavated material. <br />City of Rancho Palos Verdes