Saticoy & Wells Community Plan & Development ... - City Of Ventura

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Saticoy & Wells Community Plan and Code EIRSection 4.11 NoiseTable 4.11-5Typical Noise Levels at Construction SitesAverage Noise Level at 50 FeetConstruction PhaseMinimum RequiredEquipment On-SiteAll PertinentEquipment On-SiteClearing 84 dBA 84 dBAExcavation 78 dBA 88 dBAFoundation/Conditioning 88 dBA 88 dBALaying Subbase, Paving 78 dBA 79 dBAFinishing and Cleanup 84 dBA 84 dBASource: Bolt, Beranek and Newman, “Noise from Construction Equipment andOperations, Building Equipment, and Home Appliances,” prepared for the U.S.Environmental Protection Agency, 1971.Impact N-3The placement of residential and other noise-sensitive uses inproximity to industrial and commercial uses could potentiallyexpose residents to high noise levels. However, developmentfacilitated by the Project would be required to comply withthe City Noise Ordinance and the noise compatibilitystandards. Adherence to these regulations would reduceimpacts to a Class III, less than significant, level.Development facilitated by the Project has the potential to place new residents in areas of withhigh ambient noise such as areas containing commercial and industrial uses. Commercial andindustrial activity can produce noise due to heavy traffic, deliveries, and operation ofmachinery. Commercial and industrial activity occurs with in the Project Area predominantlybelow Telephone Road along the Wells Road corridor. Some existing residential neighborhoodsare located adjacent to these industrial areas and development facilitated by the Project couldplace additional residential development adjacent to or near industrial, commercial uses. Forexample, locations where this may occur include on the Broome site, Parklands, and the SaticoyVillage properties. Placement of residences in proximity to industrial activity such as in theSouthwest and Southeast neighborhoods could potentially expose Project Area residents tonoise that exceeds levels specified in the City Noise Ordinance (Sec. 10.650.130), as shown inTable 4.11-2. However, the Noise Ordinance specifies that if the ambient noise level exceeds thedesignated noise limit level, the ambient noise level becomes the allowable noise level.Therefore, any new residential development placed adjacent to existing industrial developmentwould be subject to current noise levels and violations of the Noise Ordinance would not beexpected. Due to the nature of the noise ordinance, future increases of noise activity fromindustrial sites would exceed the current thresholds. This would limit the ability for additionalindustrial use.4.11-9City of Ventura
Saticoy & Wells Community Plan and Code EIRSection 4.11 NoiseIn addition, development facilitated by the Project has the potential to expose residential unitsto high noise levels from roadway corridors. Corridors within the Project Area that experienceincreased noise levels include Wells Road, SR 126, Telephone Road and Telegraph Road.Residential units along these corridors would therefore be exposed to higher noise levels thatthose that are located further away from them.The City’s interior noise guidelines as outlined in General Plan Action 7.32, sets a limit for 45dBA interior residential areas and requires noise studies prior to development of residentialareas within the 60 dBA noise contour. If exterior noise exceeds 60-65 dBA, it is likely that the45 dBA standard would be exceeded. This is due to an approximate 20 dBA decrease fromstandard construction practices from the exterior to the interior levels. Action 7.32 alsoindicates the need to mitigate development so that interior noise is 45 dBA. Developmentsfacilitated by the Project would be required to meet this standard, and can be met with standardconstruction practices. The UC Hansen and Parklands Specific Plans have accessed noiseimpacts and include mitigation to reduce impacts to less than significant. Impacts would beless than significant with adherence to the above mentioned standards.Mitigation Measures. Mitigation is not required. Design features that would achieveacceptable interior noise levels would need to be incorporated into individual Project Areaprojects.Significance after Mitigation. Impacts would be less than significant without mitigation.c. Cumulative Impacts. Impact N-1 addresses the cumulative change from existingconditions through 2025 due to projected growth under the 2025 General Plan (including theProject). As such, Impact N-1 addresses cumulative impacts. As noted under Impact N-1,cumulative traffic noise increases along portions of SR 126 and Wells Road would potentiallyexceed adopted thresholds; however, continued implementation of 2005 General Plan actions7.32 and 7.37, in combination with mitigation measures adopted for the UC Hansen andParklands specific plans, would reduce cumulative impacts to a less than significant level.4.11-10City of Ventura
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Saticoy & Wells Community Plan & Development ... - City Of Ventura

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