LARIMER COUNTY RURAL AREA ROAD STANDARDS

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Chapter 3 – Submittal Requirements for Construction PlansSection 3.3 Construction Plans and Detail Sheets3.3.3 Construction Benchmark MonumentationTwo benchmarks shall be shown and described on the construction plans. Thebenchmarks need to be a marked cap that is stable, easily identifiable, and placed onsitein an area that will not likely be subject to disruption, removal, or replacement.3.3.4 General Standard Notes for Final Construction PlansLarimer County has developed general standard notes that shall be included on all finalconstruction plans. The required general standard notes for construction plans areshown in Appendix H.3.3.5 ScaleScales listed are minimum. More detailed scales may be required where necessary toclearly show details.1. Plan and profile plans: Horizontal 1"=50’, Vertical 1"=5’.2. Master, preliminary, and final drainage plans; site plans, etc.: from 1"=50’ to1"=100’.3.3.6 North ArrowAll design sheets shall have a north arrow oriented toward the top or right side ofapplicable sheets.3.3.7 Date of PlanThe original date of the plans and any subsequent revisions must be shown in the titleblock.3.3.8 IndexEach cover sheet shall include an index of all sheets within the Plan set.3.3.9 Legend of SymbolsStandard symbols shall be provided for all appurtenances related to each type of facility.3.3.10 UtilitiesThe type, size, location and number of all underground utilities shall be shown in theconstruction plans. Field verified elevations and locations may be required on theconstruction plans for all underground utilities which will potentially affect the design orconstruction. It will be the responsibility of the contractor to verify the existence andlocation of all underground utilities along their route of work prior to commencing anynew construction. Field located utilities not shown on accepted construction plans shallbe added to the record drawings.3.3.11 Typical Street SectionsTypical roadway cross sections for all roadways, existing or proposed, within andadjacent to the proposed development shall be shown on the construction drawings.They shall indicate the type of roadway(s), profile grade design point (centerline, flowline,top of curb, lip of gutter, etc.), roadway width, lane width, right-of-way, type of curb,gutter and walk, pavement cross slope, pavement thickness, and structural materialLarimer County Rural Area Road Standards Page 3-3October 22, 2007
Chapter 3 – Submittal Requirements for Construction PlansSection 3.4 Requirements for Road Plan and Profile Drawingscomponents of the pavement, base and subbase, together with specifications fortreatment of subgrade and method of installation of pavement structure.3.3.12 Roadway Cross SectionsCross-sections shall be required on any off site improvements and any other roadwaysas deemed necessary by the Engineer. The cross-sections shall indicate the profilegrade design point (centerline, flow-line, top of curb, lip of gutter, etc.), roadway width,right-of-way, pavement cross slope, pavement and sub grade thickness, and tie in ofproposed improvements with existing ground.Roadway cross-sections shall be provided at intervals deemed necessary by theEngineer to effectively evaluate connection with the existing facilities, (typically every 50feet horizontally). Addition road way cross sections will be required at driveways andintersections.3.3.13 Street Improvement DetailsAll pertinent details related to street improvements shall be shown on a detail sheet(s)for the project.3.4 REQUIREMENTS FOR <strong>ROAD</strong> PLAN AND PROFILE DRAWINGSIn addition to the requirements set forth elsewhere in these standards, the following informationshall be shown on all roadway plans submitted for review and approval.3.4.1 Plan ViewThe plan view shall include, but not be limited to, the following:1. Existing and proposed property and/or R.O.W. lines, easements and/or tracts.The type and dimension of the easement or tract is to be clearly labeled.Property lines and R.O.W. lines are to be dimensioned.2. Survey lines and stations shall normally be based on centerline of street orflowline; other profiles may be included but shall be referenced to centerlinestationing or flowline. Stationing is to be equated to flowline or edge of pavementstationing at cul-de-sacs.3. Stationing should read in ascending order in the direction of the north arrow or tothe right.4. Roadways and roadway names.5. Existing utilities and structures(showing as phantom lines), including, but notlimited to storm sewer, fence lines & gates, water lines, ditches or swales,electric lines, curbs and gutters, sewer lines, pavement limits, telephone lines,bridges or culverts, CATV lines, guardrails, signs, gas lines, and fiber optic lines,etc.6. Station and critical elevation (flowline, invert of pipe, etc.) of all existing andproposed utility or drainage structures. Location of utilities shall be dimensionedhorizontally from stationing with elevation.7. Storm drainage flow direction arrows, particularly at intersections and all high andlow points.8. Match lines and consecutive sheet numbers, beginning with cover sheet.Larimer County Rural Area Road Standards Page 3-4October 22, 2007
Page 1 and 2: LARIMER COUNTYRURAL AREA ROAD STAND
Page 3 and 4: Table of Contents3.3.11 Typical Str
Page 5 and 6: Table of ContentsCHAPTER 8 - ENVIRO
Page 7 and 8: Table of Contents12.3.7.2 Conventio
Page 9 and 10: Table of ContentsG.7.12 Other Permi
Page 11 and 12: Chapter 1 - General InformationSect
Page 17 and 18: Chapter 2 - Submittal ProceduresSec
Page 19 and 20: Chapter 2 - Submittal ProceduresSec
Page 21: Chapter 3 - Submittal Requirements
Page 25 and 26: Chapter 3 - Submittal Requirements
Page 27 and 28: Chapter 4 - Road Design and Technic
Page 35 and 36: 4.9.1.7 Design VehiclesChapter 4 -
Page 39 and 40: CHAPTER 5 - GEOTECHNICAL STANDARDS
Page 41 and 42: Chapter 5 - Geotechnical Standards
Page 49 and 50: Chapter 6 - STORMWATER MANAGEMENTSe
Page 51 and 52: Chapter 7 - Bridges and Major Drain
Page 53 and 54: Chapter 8 - Environmental and Agric
Page 55 and 56: Chapter 8 - Environmental and Agric
Page 57 and 58: 9.1.3 DefinitionsChapter 9 - Roadwa
Page 59 and 60: CHAPTER 10 - ACCESS REQUIREMENTS AN
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Chapter 12 - Right of Way Permittin
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Appendix A - Definitions and Abbrev
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Appendix A - Definitions and Abbrev
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APPENDIX B - REFERENCES AND RESOURC
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APPENDIX D - CONSTRUCTION STANDARDS
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Appendix D - Construction Standards
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APPENDIX E - CONSTRUCTION TESTING F
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Appendix F - Guidelines for Traffic
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APPENDIX G - DESIGN AND CONSTRUCTIO
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Appendix G - Design and Constructio
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Appendix H - General NotesSection H
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APPENDIX I - VARIANCE REQUEST SUBMI
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LARIMER COUNTY RURAL AREA ROAD STANDARDS

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