Design & Construction Specifications - Town of Kernersville

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Responsibility for the impoundment, any damage that may result there from,and maintenance of the dam or appurtenances as may be required to preserveits integrity as a water impoundment structure, shall remain with the owner ofthe impoundment.Structures should be designed and plans sealed by a Registered ProfessionalEngineer.STREET NAMES:Proposed streets, which are obviously in alignment with other streets, shall bear theassigned name of the existing streets. In no case shall the name for a proposed streetduplicate or be phonetically similar to an existing street name in Forsyth County,irrespective of the use of the suffix street, avenue, boulevard, drive, place, court, etc.Street names for all new subdivisions shall be approved by the Winston-Salem/ForsythCounty Planning Department.STREET TRAFFIC CONTROL SIGNS:The owner/developer shall pay for all signs required for a development as per theadopted fee schedule prior to recording the final plat. The Public Works Departmentshall install signs once the fine grading has been satisfactory completed behind thecurb.SIGHT DISTANCE:Sight distance shall mean the length of roadway visible to the driver traveling along theroadway or waiting to enter or cross the roadway. The sight triangle shall include boththe horizontal and vertical plane. A 10' x 70' horizontal sight triangle shall be located atall street intersections and multi-family and non-residential driveway intersections.The Town shall review all proposed development plans, including site, subdivision,landscape plans, infrastructure plans and sign plans for compliance with theserequirements. All new development within the Town's ETJ shall meet theserequirements as a part of the plan approval process.Some objects located within sight distance or sight triangle areas may not significantlyobstruct the required visibility of the driver. The driver may be able to see over, underor around some objects within sight distance areas. Objects that may be allowed withinsight distance areas include fire hydrants, utility poles, and utility cabinets less than 2-feet high, and traffic control devices that are located to minimize visual obstruction.Other objects twelve (12) inches in diameter and smaller, such as utility poles, lightpoles and sign posts, may be allowed within sight distance areas if located individuallyor in combination so as to not substantially restrict the driver's view. The determinationof what objects, if any, may be located within sight distance areas shall be made by thePublic Works Department.
A. Intersection Sight DistanceIn order for vehicles to safely maneuver into or through an intersection,sufficient sight distance must be provided so as to avoid collisions. Intersectionsight distance is measured from a driver's eye 3.5 feet high to an object 4.25feet high as measured from the pavement surface.The amount of sight distance required at an intersection depends on the type oftraffic control at the intersection and the speeds of the vehicles.1. Stop Sign ControlAt approaches to intersections that are controlled by stop signs or atdriveways where the driver is required to stop before entering the street,the driver must have an unobstructed view of the entire intersection andadequate sight distance for any of the various vehicular movementsallowed upon departure of the intersection. These movements mayinclude crossing the street, turning left or turning right onto the street.An obstruction to the driver's view shall not be located within the sighttriangles as defined herein to permit adequate view of the intersection.In addition, there shall be no sight obstructions located in the triangularareas shown in Figures 1 through 4 to allow for safe departure throughthe intersection. The measurement of intersection sight distance isalong the centerline of the appropriate lane of the roadway and ismeasured from an eye height of 3.5 feet above the surface of theroadway to an object 4.25 feet above the surface of the roadway. Thelocation of the driver's eye (d1) is dependent on the classification of theintersecting streets. For all intersections where the through street is athoroughfare, the driver's eye location shall be 15 feet back from theface of curb extended through the intersection, or the edge of pavementif there is no curb. At all intersections where the through street is a localor collector street, and for driveways, the driver's eye shall be locatedten (10 feet behind the face of curb extended, or the edge of pavement ifthere is no curb. The sight distance lengths d2 and d3 shown in Figures1 through 3 for left or right turns onto the through street are dependenton the design speed of the roadway and are presented in Table 3-1.Figure 4 shows the measurement method for determining the sight linefor left turns from the through street. Table 3-2 gives the minimum sightdistance for this movement across one, two, or three lanes (d1).
Page 1 and 2: TOWN OF KERNERSVILLEDESIGN AND CONS
Page 3 and 4: TABLE OF CONTENTSITEMPAGE NUMBERDef
Page 5 and 6: Drainage Maintenance Easement - A p
Page 7 and 8: Stabilizing Vegetation - Any vegeta
Page 9 and 10: Thoroughfare, Major - A public stre
Page 11 and 12: STREETDESIGN STANDARDSGENERAL:For a
Page 13 and 14: the Public Works Department, and al
Page 15 and 16: Private StreetAlthough not encourag
Page 17 and 18: C. Horizontal Street DesignAlignmen
Page 19 and 20: practical. The vertical curve contr
Page 21: G. BridgeStructures, which are to s
Page 25 and 26: Operating Speed(MPH)Table 3.2Minimu
Page 27 and 28: 60 650Source: AASHTO Green Book, 19
Page 29 and 30: Design CriteriaRoadway Design Table
Page 31 and 32: 10. Maximum storm drainage pipe gra
Page 33 and 34: ) Contact person and phone numberc)
Page 35 and 36: C. Revisions to Approved Plans:1. A
Page 37 and 38: Design Drawing RequirementsPlans su
Page 39 and 40: _____ 22. Match lines between sheet
Page 47 and 48: CONSTRUCTION/INSPECTION STANDARDSGE
Page 49 and 50: ase placement, another proof roll m
Page 51 and 52: 9. Place stone base for curb and gu
Page 53 and 54: 2. Storm Drainage - A watertight sy
Page 55 and 56: 2. Authoritya. The CSS has all the
Page 57 and 58: 3. Limitationsa. The Inspector may
Page 59 and 60: (c)(d)of Aldermen, the Ordinance(s)
Page 61: STANDARD DRAWINGSTABLE OF CONTENTSI
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TOWN OF KERNERSVILLEDEPARTMENT OF P
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B. CONSTRUCTION REQUIREMENTS:1. The
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DATE:______________________________
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Town of KernersvillePublic Works De
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Watershed Permit Application - Low
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Watershed Permit - High DensitySite
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NORTH CAROLINA )) DEED OF EASEMENTF
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STATE OF NORTH CAROLINACOUNTY OF FO
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STATE OF NORTH CAROLINA )COUNTY OF
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forth in Exhibit B attached and any
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Notary PublicEXHIBIT APROPERTY DESC
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PROCEDURE FOR BONDING IMPROVEMENTSB
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PROCEDURE FOR THE COMPLETIONof“PR
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SECTION 2DESIGN GUIDELINES.Relation
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Sidewalks and Pedestrians - Minimum
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Highways and Large Through Corridor
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Design & Construction Specifications - Town of Kernersville

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