Attachment B.pdf
PDF 18 KB Posted
- Attached to
- INSTALL ASPHALT DRIVEWAYS NEWBERRY CO.
- Solicitation number
- 5400019511
- Issued by
- Richland County, South Carolina
About this file
This is an Engineering Directive from the South Carolina Department of Transportation (SCDOT) that establishes standards and procedures for the installation and maintenance of driveway entrances to state highways. The directive applies to maintenance operations and governs the construction of residential and commercial driveway entrances within the state right-of-way. SCDOT shall construct driveway entrances at department expense for existing developed properties or properties under development for personal use, with driveways limited to a maximum of 16 feet wide for the paved portion. The directive specifies that pipe culverts up to 30 inches in diameter will be installed at SCDOT expense, with costs exceeding this threshold charged to the homeowner. Driveway construction must include appropriate base and surfacing to create all-weather access, with the district engineering administrator authorized to approve installation at SCDOT expense when existing driveways require replacement due to significant changes in land use.
The directive establishes specific technical construction standards requiring asphalt surfacing with a minimum 2-inch thickness and compacted 6-inch base, or alternatively, concrete construction per SCDOT 2007 Standard Specifications. Driveways must include a 2-foot wide shoulder at a 4:1 slope with no greater than 3:1 slope for the remainder of the front slope, with shoulders and slopes grassed to prevent erosion. Pipe culverts must have minimum diameters of 12 inches and be placed according to Engineering Directive 24 specifications. The directive, originally issued November 21, 2003, was revised on March 30, 2009, and references SCDOT Access and Roadside Management Standards (ARMS) for alignment, approach grade, and radii requirements. SCDOT maintains responsibility for addressing hazardous conditions within roadway shoulders, including sideline pipe maintenance.
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Other files
| File | Type | Posted |
|---|---|---|
| Solicitation.pdf | ||
| Attachment A.pdf | ||
| Attachment C.pdf | ||
| Attachment D.pdf | ||
| Amendment One.pdf |
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Text version
South Carolina Department of Transportation
Engineering Directive
Directive Number: ED-16 Effective: March 30, 2009
Subject: Driveway Entrances
References: S.C. Code of Laws, Section 57-5-1140 Engineering Directive 24 SCDOT 2007 Standard Specifications for Highway
Construction SCDOT Access and Roadside Management Standards
(ARMS) – Latest Edition
Purpose: Provide Direction for Installation of Driveway Entrances
This Directive Applies to: Maintenance
INSTALLATION OF RESIDENTIAL ENTRANCES
The South Carolina Department of Transportation (SCDOT) shall construct, at its expense, the portion within the right-of-way of entrances and aprons to state highways at any point necessary to render adequate ingress and egress to the abutting property at locations where the driveways will not constitute hazardous conditions. The driveway must be of access to existing developed property or property that is being developed for the personal use of the owner and not for speculative or resale purposes. The driveway shall be a maximum of 16 feet wide (paved portion). If pipe culvert is necessary for drainage, SCDOT shall install the amount necessary, up to 30-inch pipe. Should driveway installation require pipe larger than 30 inches, the Department may install the pipe and charge the homeowner for the difference in cost between 30-inch pipe and the larger diameter pipe required. Driveways requiring drainage structures other than pipe must be brought to the attention of the Director of Maintenance. Entrances to be constructed as outlined in this section shall include base and surfacing as necessary to provide all-weather driveway entrances. If wider entrances or additional entrances are requested and approved, construction may be performed by the Department at the owner’s expense. The district engineering administrator is authorized to approve installation of a residential driveway at SCDOT expense when a present driveway exists, if the land use of the property has changed significantly.
DRIVEWAY MAINTENANCE
Maintenance of residential and commercial driveway entrances within the right-of-way may be performed by the SCDOT as deemed necessary. The Department shall address any hazardous conditions that may exist within the limits of the roadway shoulder, including the sideline pipe.
Engineering Directive 16
DRIVEWAY CONSTRUCTION
Pipe culvert should be selected according to Engineering Directive 24 (ED-24). Pipe culvert shall be placed and backfill compacted according to ED-24. Pipe diameters less than 12 inches are not permitted. The pipe culvert should, where possible, be placed in the center of the ditch and fit the alignment and slope of the ditch. Pipe shall be of a sufficient length to extend to the toe of the backfilled slope. Driveways should have a 2-foot wide shoulder at a 4:1 slope and shall have no greater than a 3:1 slope for the remainder of the driveway’s front slope. The shoulder and slope shall be grassed to prevent erosion. The surface should be an all-weather concrete or asphalt surface. Asphalt surfacing should be a minimum of 2 inches thick with a compacted 6-inch base. If the concrete option is used, concrete driveways should be constructed in accordance with the SCDOT 2007 Standard Specifications for Highway Construction. The driveway’s alignment with the existing road, approach grade, and radii should be constructed in accordance with SCDOT Access and Roadside Management Standards (ARMS), latest edition.
Submitted by: David B. Cook___________________________ Acting Director of Maintenance
Recommended by: James J. Feda, Jr.________________________ Acting Chief Engineer for Operations
Approved: Christy A. Hall____________________________ Deputy Secretary for Engineering
Lead: Director of Maintenance
History: Issued on November 21, 2003 First Revision on March 30, 2009
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