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Cemex Vernalis Quarry Mining and Reclamation Project TABLE 5-1 MITIGATION MONITORING AND REPORTING PROGRAM CEMEX VERNALIS QUARRY PROJECT Mitigation Measure Responsible Party Monitor Timing Sign Off regarding any additional measures needed. • Reconfigure traffic stripes and trim or remove trees and vegetation to eliminate horizontal sight distance constraints. • Construct acceleration and deceleration lanes at the intersection for trucks turning right onto southbound Welty and northbound trucks turning left onto State Route 33. 4.4.2:Implement Mitigation Measure 4.4.1b. Applicant PW Ongoing 4.43:Pavement Upgrades and Replacement.As a condition of approval,the project applicant or Applicant PW Prior to issuance of successor-in-interest will be required to enter into an agreement with the San Joaquin County Grading or Building Department of Public Works regarding the replacement/upgrade and maintenance of roadways Permits affected by the project. Upgrades and replacements will be completed to the Traffic Index identified in Table 4.4-5,unless the County determines the need for a different Traffic Index based on future traffic counts. 4.5 NOISE 4.5.1a: At the start of stripping operations for each phase,the applicant shall construct an earthen Applicant CDD Prior to each phase berm along the portions of the project site that face sensitive receptors located within 2,000 feet of (improvement plan mining operations for that phase.This includes residences R4 and R5 northeast of Phase I(this approval or mining earthen berm would also attenuate noise to residences R5,R6,and R7)and residences R1,R2,and activity,whichever R3,west of Phase III and southwest of Phase IV.The sound barriers must be at sufficient height occurs first) (approximately 10 feet)to block the line of sight to the nearest sensitive receptor.If continuous earthen berms of adequate size are already in place,additional berms would not needed. 4.5.1 b:The Applicant shall conduct additional noise measurements after the completion of initial Applicant CDD Prior to Phase 11 stripping activities to evaluate the effectiveness of Mitigation Measure 4.5.1a in reducing resultant (improvement plan l sound levels at outdoor activity areas of nearby sensitive receptors.For those residences existing as approval or mining of project approval requiring additional sound reduction,the Applicant shall fund the construction of activity,whichever solid walls(masonry walls or other similar construction)along those property lines of the residences occurs first) facing the project site,if desired and allowed by the subject property owners. 4.5.1c: For any residences existing as of project approval that would exceed an interior noise level Applicant CDD Ongoing of 45 dBA,Leq indoors,the applicant shall upgrade house noise reduction via window,and door upgrades on the side of the houses facing the mine,if the landowner desires and allows the work to be done. 4.5.1d:Nighttime mining shall be prohibited within 1,000 feet of residences unless noise Applicant CDD Ongoing measurements confirm that noise levels are below 45 dBA,L.at the outdoor activity areas of adjacent residences. Comex Vernalis Quarry Mining and Rodamation Project 5-4 ESA/203015 Final Environmental Impact Report (\ June 2008