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HomeMy WebLinkAboutResolution 46-90 RESOLUTION NO. 46-90 RESOLUTION OF THE COUNCIL OF THE CITY OF ATASCADERO ESTABLISHING A MINIMUM ROAD STANDARD FOR THE CONSTRUCTION OF PRIVATE AND PUBLIC ROADS WITH ASPHALT DIKES WHEREAS, excessive erosion along roadway shoulders continues to be a common problem requiring maintenance attention; and WHEREAS, the expense of roadway shoulder maintenance represents a significant cost to the City; and WHEREAS, by requiring the construction of roadways with asphalt dikes, in areas featuring significant slopes, erodible shoulder materials and/or excessive concentration of runoff, maintenance expense can be significantly decreased; and WHEREAS, to protect the health and safety of the traveling public; NOW, THEREFORE, BE IT RESOLVED THAT: The minimum road standard for the City of Atascadero for the construction of both private and public roads with asphalt dikes shall be as delineated on the attached Drawing No. A-2 titled "Minimum Road Standard With Asphalt Dikes. " The City Engineer shall be authorized to make minor deviations from Drawing No. A-2 to accommodate changes in material specifications, varying conditions, and to comply with Resolution No. 59-89, "Resolution of the Council of the City of Atascadero Establishing a Policy Addressing the Conflict Between Roadway Construction Within Original Colony Road Alignments and Tree Preservation and Protection. " On motion by Councilperson Mackey seconded by Councilperson Shiers , the foregoing resolution is passed on the following roll call vote: AYES: Councilmembers Borgeson, Shiers, Mackey and Mayor Pro-Tem Lilley NOES: None ABSENT: Mayor Dexter ADOPTED: 4/10/90 ATTES ita -� LEE DAYKA City Clerk RfliirI - , ROB T B. LILLEY Mayor Pro-Tem APPROVED AS TO FORM: AP ROVED TO CONTENT: ART ER AN N GREG R LUKE City Attorney Director of Public Works Revisions Approvals Descri tions QvTDate Approved Council Resolution No. 46-90 1. Asphalt dikes and paved shoulders shall be installed where needed to control drainage or erosion as determined by the City Engineer. 2. The Traffic Index shall be determined by the City Engineer. The minimum Traffic Index shall be 4-1/2. 3. The pavement and aggregate base thickness shall be determined according to the Caltrans "Highway Design Manual", Section 608.4 and shall include the appropriate gravel equivalent safety factor. 4. Asphalt dike shall be installed according to the detail shown below. 5. As an alternate, the two foot wide choker may be eliminated and the aggregate base carried to the hinge point. 6. Asphalt Concrete shall conform to the requirements for Type B Asphalt Concrete as specified in Section 39 of the Caltrans "Standard Specifications". 3/4 inch maximum aggregate shall be used, or 1/2 inch maximum aggregate may be used if approved by the City Engineer. 7. Aggregate Base shall conform to the requirements for Class 2 Aggregate Base as specified in Section 27 of the Caltrans "Standard Specifications". Class 3 aggregate base may be used if approved by the City Engineer. 8. Cut and fill slopes shall be hydroseeded with a mix and at a rate approved by the City Engineer unless waived by the City Engineer. 9. The Contractor is responsible for the proper resetting of all existing monuments and other survey markers located within the section of road under construction. Monuments and survey markers shall be reset according to the City "Standard Street Monument" drawing M-1. 10. A City Road Construction Permit shall be obtained before the construction of any private or public road. 11. Additional lane width will be required to accommodate small radius curves. 3q °" 13" TYPE "B" A.C. '�.�.II J6 l Or 'coi �o�fP� A.C. DIKE DETAIL MIN.2' @ 2�' .MIN —2% —2% 3.. 2" Minimum Type "B" A.C. 1 Class 2 Agg. Baseiooi CL •� 13' 13' —,- 32, CITY OF ATASCADERO scr,LE ENGINEERING DIVISION NO SCALE T MINIMUM LOAD STANDARD °RAWNG No. DE WITH ASPHALT DIKES