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SanJoaquin county Project Description Gibson,Inc.2021].The domestic water demand of the proposed amendments is within the capacity of the planned water storage for the Mountain House Master Plan(Appendix C,Carlson,Barbee& Gibson.Inc.2021). 2.4.6.3 Water Storage Water storage requirements are based upon three factors:emergency storage C75 percent of MDWD],operational storage C30 percent of MDWD],and fire flow storage.Fire flow storage is bas ed upon fire flaw rates and duration for the most demanding land use.In Mountain House,the most demanding fire flaw land use is Industrial(I f L)and,as a result,the project would not have an Impact on fire flow storage.The combined requirement of emergency and operational storage equates to 105 percent of the MDVVD(Carlson,Barbee&Gibson,Inc.2021).The water storage demand of the proposed amendments is within the capacity of the planned water storage for the Mountain House Master Plan[Appendix C,Carlson.Barbee&Gibson,Inc,2021]. 2.4.6.4 Wastewater MHCSD provides wastewater collection,treatment and disposal to the Mountain House community and would provide those services to the project Wastewater generation is based upon land use and generation rates established by the MHCSD.While existing rates are currently published in the MHCSD Standards and Specifications,it should he noted that the MHCSD is currently working to update the Sanitary Sewer Master Plan and generation rates[Carlson.Barbee&Gibson.Inc.2021]. The wastewater demand of the proposed amendments is within the capacity of the planned water storage for the Mountain House Masber Plan[Appendix C_Carlson Barbee&Gibson Inc.2021]. 2.4.6.5 Storm drainage Storm drainage improvements would remain relatively unchanged with the project compared to plans for storm drainage in the Master Plan and Specific Plan 11.In accordance with the MHCSD's Storm Water Master Plan Update,and subject to additional detailed investigation and engineering, the applicant would construct two water storage and water quality lakes within N eighborhoods K and L to intercept treat,and store nuisance and flood flows that originate in Neighborhoods H,1,J,K, and L,per the MHCSD Storm Water Master Plan Update.Thes e lakes would store water year-round for aesthetic and recreational purposes and would be connected to Mountain House Creek via overflow weirs during large storm events. 2.4.7 Project Construction The proposed construction methods are considered conceptual and subjectto review and approval by the Community Development Department and M HCS D.For the purpo ses of this environmental document the analysis considers the fallowing construction plan. 2.4.7.1 Construction Schedule and Phasing The project would consist of sequential construction phases Cgrading and site improvements]for each neighborhood and the Town Center[see Table 2-1].Construction ofthe residential units in Neighborhood H is expected to start in 2024,The expected completion date for Neighborhood H is the spring of 2024.Per Mountain House Community Services District requirements,construction hours would be between 7:00 a.m.to 6:00 p.m.Monday through Friday.Extended hours which may Mountain House Master Plan and Specific Plan II PuhApril 2022. fc Graft Amendments and Revisions tnapproved anions ICF iQdlBp Initial StLj*jmitipted Negatiae Declaration 9 U432B501.1 Resolution Template 01/2017