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*N -B-8 -" STANDARDS FOR REQUIRED BUFFERS <br />*IV -B-8-f RECOMMENDED STANDARDS FOR INSTALLATION AND <br />MAINTENANCE <br />*Amended Existing landscape material in a healthy condition may be used to <br />3 -24 -87 satisfy the requirements of this Article. Sound and accepted <br />10 -3 -88 horticultural practices should be used to protect the root zones of all <br />retained existing plant material during construction and also during <br />underground utility installation. All new landscaping should be of good <br />quality and installed in a sound, workmanship -like manner and <br />according to the following planting procedures (See appendix for <br />details) • <br />(a) All new plant material should meet or exceed the standards set <br />forth in the American Standard for Nursery Stock by the <br />American Association of Nurserymen (AAN). <br />58 <br />REQUIRED <br />BUFFER TYPE <br />BUFFER <br />BUFFER DESCRIPTION <br />WIDTH <br />Type A— <br />30 feet <br />A buffer composed of deciduous and/or <br />evergreen vegetation, forming semi- opaque <br />intermittent visual obstructions from the <br />ground to a height of at least thirty (30) feet. <br />Type B <br />30 feet <br />A buffer composed of deciduous and/or <br />evergreen vegetation that is opaque from the <br />ground to a height of at least five (5) feet, <br />with semi- opaque intermittent visual <br />obstructions from the opaque portion to a <br />height of at least thirty (30) feet. <br />Type C <br />40 feet <br />A buffer composed of 50-75% evergreen <br />vegetation distributed so as to create a semi - <br />opaque screen to a height of at least thirty <br />(30). feet. ' <br />Type D <br />50 feet <br />Same as Type C. <br />Type E <br />75 feet <br />A buffer composed of predominately (at <br />least 75%) evergreen vegetation that is <br />opaque to a height of at least thirty (30) feet. <br />Type F <br />100 feet <br />Same as Type E. <br />*IV -B-8-f RECOMMENDED STANDARDS FOR INSTALLATION AND <br />MAINTENANCE <br />*Amended Existing landscape material in a healthy condition may be used to <br />3 -24 -87 satisfy the requirements of this Article. Sound and accepted <br />10 -3 -88 horticultural practices should be used to protect the root zones of all <br />retained existing plant material during construction and also during <br />underground utility installation. All new landscaping should be of good <br />quality and installed in a sound, workmanship -like manner and <br />according to the following planting procedures (See appendix for <br />details) • <br />(a) All new plant material should meet or exceed the standards set <br />forth in the American Standard for Nursery Stock by the <br />American Association of Nurserymen (AAN). <br />58 <br />