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Item No. 2 <br /> PC : 3-21-85 <br /> GP-85-8/PD-85-1/5-85-2 <br /> Page 14 <br /> map that ' no additional residential development shall occur.. <br /> This is to be in substantial compliance with Hillside <br /> Greens Addendum to Application dated March 1 , 1985 ,. Item <br /> 5 (c) . <br /> F c . Approval of this subdivision, 5-85-2 , is predicated on the <br /> approval of General Plan Text Amendment GP-85-8 and Planned <br /> District PD-85-1 . In the absence of approval of those <br /> applications by the Board of Supervisors, approval of <br /> 5-85-2 shall be considered rescinded. <br /> d. Noise <br /> ( 1 ) Interior : <br /> All residential units will be designed and constructed <br /> to meet a noise level of 45 db' s. The amount and type <br /> of construction techniques may vary depending on the <br /> unit location in relation to specific noise contours. <br /> ( 2) Exterior: <br /> All residential units will have at least one private <br /> outdoor space with a LDN level of 65 dB or less . This <br /> will be accomplished by: <br /> (a) Shielding the outdoor space by means of building <br /> orientation and/or <br /> (b) Shielding the outdoor space with a noise wall . <br /> (3) Other : <br /> (a) Tree screening at selected locations will be pro-- <br /> vided adjacent to the freeway to provide a <br /> "psychological feeling of isolation" by separating <br /> the noise source from the project . <br /> (b) The new water hazard will contain. a water feature ` <br /> to also provide a diversionary sound to the freeway <br /> noise. <br /> e. Local Health District : <br /> i <br /> Percolation testing must be run in each disposal area to <br /> verify absorption rate : <br /> ( 1 ) 204, 000 ft . 2 - 6 test' holes i <br />