Design & Construction Specifications - Town of Kernersville

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TRADITIONAL NEIGHBORHOOD DEVELOPMENTSECTION 1INFRASTRUCTURE DESIGN GUIDELINESNo portion of these Guidelines is intended to authorize, regulate or prescribe landuses or to supercede the Unified Development Ordinance. These criteria providea tool to the Public Works Department for reviewing Traditional NeighborhoodDevelopments that fall within the definition and intent of these GuidelinesTND DEFINED: A Traditional Neighborhood Development (TND) is a humanscale, walkable community with moderate to high residential densities and amixed use core. TND’s provide a variety of housing types, shopping, services,public facilities and work places in close proximity to each other to promote anintegrated community.A dense network of streets is fundamental to TND design. This network serves toboth slow and disperse vehicular traffic and provide a pedestrian friendlyatmosphere. TNDs have a high proportion of interconnected streets, sidewalksand paths. Streets and rights-of ways are shared between vehicles (moving andparked), bicycles and pedestrians.The dense network of TND streets functions in an interdependent manner,providing continuous routes that enhance non-vehicular travel. Most TND streetsare designed to minimize through traffic by the design of the street and thelocation of land uses.INTENT: That the development encourage walking and biking, enhance transitservice opportunities, and improve traffic safety by promoting low speed,cautious driving while fully accommodating the needs of pedestrians, bicyclistsand on street parking. A properly designed TND should have the potential toreduce the number of external vehicle trips, and thus vehicle miles traveled, by15% or more through provision of commercial, recreational and other residentorienteddestinations within a walkable community. Traffic impacts, both on-siteand off-site, should be minimized. Public utilities should be placed in alleys whenpossible and to reduce the number of public utilities obstructing the public areasand walkways.
SECTION 2DESIGN GUIDELINES.Relationship to the Town Design and Construction Specifications– Once adevelopment, or portion thereof, has been approved as a TND these designguidelines shall supercede any related design standards contained in otherSections of this manual. The TND design guidelines are intended to providegeneral information to the designing engineer, however, the design andconstruction standards, detail drawings, permits, policies, submittal andinspection procedures, etc. contained in this manual shall apply unlessspecifically superceded by guidelines set forth in the TND design guidelinessection. If a development or a portion thereof has not been approved as a TND,this section will not apply.Property Owner Covenants - The property owners covenants for any TND shallbe submitted to the Public Works Department and Planning Office at a minimumthree (3) weeks prior to recording the final plat for review and approval.Design Speed – Design speed should closely match the street type, vehicle useand the proposed speed limit. The majority of street types are “streets” and“alleys,” which provide direct access to housing and which have a desired upperlimit of actual vehicle speeds of approximately 25 mph.Street types and widths – Designers must recognize the implications of sharedstreet space and an interconnected street network. A properly designed streetnetwork should provide at least two routes of access to any property within theTND. A high level of accessibility is offered to emergency vehicles by aninterconnected TND network. The framework of streets should provideappropriate service area routing for school buses, garbage trucks, emergencyand transit vehicles. Designers should coordinate with and involve all appropriateparties to ensure that oversized and emergency vehicles are accommodated.The specific dimension of each street element is as follows:Refer to roadway drawings included in this sectionStreet Width Parking C&G MedianAlley (2-way) 16’ EP/EP N/A 2’ Valley Type N/ANeighborhood St 28’ F/F Informal 2.5’ Standard N/ANeighborhood Center St 34’ F/F Formal 2.5’ Standard OptionalCommercial District St 38’ F/F Min Formal 2.5’ Standard OptionalParkway/BoulevardAs approved by the Public Works DirectorNotes:1) Bicycle lanes are optional in all roadways, minimum lane width shall be 4’, lane shall be designated as bike route.2) Where optional items are added, such as, medians, bike routes, alleys etc, utility easements will vary and must beapproved by the public works department prior to platting.3) Where Parking is anticipated to occur on one side only, the Neighborhood Center and Commercial District Streets maybe reduced to 28’ F-F and 32’ F-F respectively.
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TOWN OF KERNERSVILLEDESIGN AND CONS
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TABLE OF CONTENTSITEMPAGE NUMBERDef
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Drainage Maintenance Easement - A p
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Stabilizing Vegetation - Any vegeta
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Thoroughfare, Major - A public stre
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STREETDESIGN STANDARDSGENERAL:For a
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the Public Works Department, and al
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Private StreetAlthough not encourag
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C. Horizontal Street DesignAlignmen
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practical. The vertical curve contr
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G. BridgeStructures, which are to s
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A. Intersection Sight DistanceIn or
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Operating Speed(MPH)Table 3.2Minimu
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60 650Source: AASHTO Green Book, 19
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Design CriteriaRoadway Design Table
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10. Maximum storm drainage pipe gra
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) Contact person and phone numberc)
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C. Revisions to Approved Plans:1. A
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Design Drawing RequirementsPlans su
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_____ 22. Match lines between sheet
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CONSTRUCTION/INSPECTION STANDARDSGE
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ase placement, another proof roll m
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9. Place stone base for curb and gu
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2. Storm Drainage - A watertight sy
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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
Page 83 and 84: TOWN OF KERNERSVILLEDEPARTMENT OF P
Page 85 and 86: B. CONSTRUCTION REQUIREMENTS:1. The
Page 87 and 88: DATE:______________________________
Page 89 and 90: Town of KernersvillePublic Works De
Page 91 and 92: Watershed Permit Application - Low
Page 93 and 94: Watershed Permit - High DensitySite
Page 95 and 96: NORTH CAROLINA )) DEED OF EASEMENTF
Page 97 and 98: STATE OF NORTH CAROLINACOUNTY OF FO
Page 99 and 100: STATE OF NORTH CAROLINA )COUNTY OF
Page 101 and 102: forth in Exhibit B attached and any
Page 103 and 104: Notary PublicEXHIBIT APROPERTY DESC
Page 105 and 106: PROCEDURE FOR BONDING IMPROVEMENTSB
Page 107: PROCEDURE FOR THE COMPLETIONof“PR
Page 111 and 112: Sidewalks and Pedestrians - Minimum
Page 113: Highways and Large Through Corridor
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Design & Construction Specifications - Town of Kernersville

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