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138. A detailed grading and drainage plan prepared by a licensed Civil Engineer including all supporting information and design criteria (including but not limited to any peer review comments), storm drain treatment calculations, hydromodification worksheets, etc., shall be submitted as part of the improvement plans. 139. The minimum grade for the gutter flowline shall be set at one percent where practical, but not less than .75% unless otherwise approved by the City Engineer. 140. A water meter shall be provided to each lot of record within the development unless otherwise approved by the City Engineer. 141. A sanitary sewer lateral with two -way cleanout (located at the back of the sidewalk or curb, whichever is applicable) shall be provided to each lot of record within the development unless otherwise approved by the City Engineer. 142. The improvement plans for this development shall contain signage and striping plans that are subject to the approval of the City Traffic Engineer. 143. The curb and gutter along the street shall have a subdrain installed at either the back of the curb or lip of gutter at the discretion of the City Engineer. This detail shall be shown on the improvement plans. Said drains shall be connected to the storm drain system or drained by other means acceptable to the City Engineer. 144. When the improvement plans are submitted for the City Engineer's signature, the applicant shall provide the City project engineer with: a. A base sheet showing all existing and proposed fire hydrants in AutoCAD 2010 version for City GIS Department. 145. The applicant shall be responsible for the undergrounding of the overhead utility lines across the project frontage. All utility lines shall be installed in conduit. Only PG &E switch enclosures or capacity banks can be installed above ground provided the units are screened with landscaping to the satisfaction of the Director of Community Development. 146. Prior to requesting for an acceptance of the subdivision improvements the project applicant shall provide : a. The project AS BUILT plans (grading plans, improvement plans, joint trench plans, street lighting plans) in PDF format for City record. b. The project base sheet showing all utilities in AutoCAD 2010 version for City GIS Department. C. The project final soils report signed by the Geotechnical Engineer in PDF format. d. The project Mass Grading Plans, in PDF format, signed by the Geotechnical Engineer two times: i. First time, signed before construction, for approval of the Mass Grading and Improvement plans for compliance with the Geotechnical Report and PUD -110, Irby Ranch City Council Page 24 of 32