25C - AGMT - OCWD CENTENNIAL PARK

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Section 3 constructed at the finished grade of the parking lot to provide access into each vault. Each vault would be approximately 260 square feet and would be excavated to a depth of 15 feet below the ground surface. The drilling activities for each injection Well Would require continuous 24 hour drilling over a three month period. During the well drilling phase, a work area averaging about 12,200 square feet would be needed for each well site. To minimize the temporary loss of parking area, after the well drilling activities are completed the work area would be reduced to 3,000 square feet to equip each well. A total of three moths would be needed to equip each well after well drilling is completed. Construction of Shared Recreation /Communication Structures Power and communication would be required at each injection welll. The electrical, communication and process control equipment would be shared in two above ground structures that would function as utility rooms for OCWD and public restroom/changing rooms and a park office for Centennial Park staff. The configuration of the two shared recreation /communication structures is shown in Figure 4. The first shared recreation/communication structure would be located near the northwest corner of Centennial Park adjacent to the soccer fields. A 1,050 square foot shared structure would be built that would contain 220 square foot public restrooms, 550 square foot changing area for soccer teams and a 280 square foot utility room for OCWD, The proposed shared structure would be constructed on an existing asphalt area adjacent to the soccer field complex. A 200 foot long, 10 foot wide American Disabilities Act approved pervious surface sidewalk would be constructed to provide pedestrian access from the Centennial Park parking lot to the soccer field and to the Santa Ana River Bike Trail. The second shared recreation/communication structure would be located near the Centennial Park Skate Park. An existing 576 square foot restroom structure would be demolished and replaced with a 596 square foot shared structure. The shared structure would contain 212 square foot public restroom, 178 square foot park office and 206 square foot utility room. A concrete walkway ranging in size from 3 feet to 10 feet would be provided around the perimeter of the shared structure. The park office would be oriented towards the skate park to allow Centennial Park staff to supervise the activities at the skate park. Additionally, to increase the defensibility of the skate park an existing 3 foot high fence around the skate park would be replaced with a new 8 foot high fence and a surveillance camera would be installed and wired to the park office. Mid Basin Centennial Park 1 t' 6 g4l Project Final Elf" 3-7 A _0 I