NCDOT Roadway Design Unit

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Recent Memo's
Subject	Date
ADT Criterion Sub-Regional Tier Bridge Type Revised 10/03/2011 Memo	December 22, 2011
2012 Temporary Shoring Special Provision	October 07, 2011
End Bent Cap Depth	December 21, 2011
Review of Municipal, Federal Lands & Special Structure Projects	December 21, 2011
Vertical Concrete Barrier Rail	December 7, 2011
Alternate Curb Ramp Design	October 20, 2011
ADT Criterion Sub-Regional Tier Bridge Type Revised December 2011	October 03, 2011

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GENERAL CADD
Subject	Date
Microstation Line Style for Contaminated Properties	May 11, 2011
Corridor Modeler/3D Design Implementation	December 10, 2009
Creation of the PDEA Folder on the TIP Project Server	February, 13 2009
Hearing Map Plotting Procedures	March 22, 2007
Pipe Material Alternates	February 24, 2006
Hydraulic Design Revisions (Updated 9/19/2005)	September 13, 2005
Changes in CADD Design for Hydraulics	July 26, 2005
Centerline Coordinate List	August 25, 2003
CADD Standard Revisions	August 05, 2002
Plan Preparation and CADD	August 07, 2001
CADD Concerns	July 14, 1999

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GENERAL DESIGN
Subject	Date
ADT Criterion Sub-Regional Tier Bridge Type	December 22, 2011
Alternate Curb Ramp Design	October 20, 2011
ADT Criterion Sub-Regional Tier Bridge Type See ADT Criterion Sub-Regional Tier Bridge Type Revised on 12/22/2011	October 03, 2011
Microstation Line Style for Contaminated Properties	May 11, 2011
Corridor Modeler/3D Design Implementation	December 10, 2009
Aggregate Subgrade Provision and Guidance for Shallow Undercut Quantities	October 7, 2010
Proposed Surface Models for I, R and U Projects	April 13, 2011
NCDOT Std. Drawings for Curb Ramps and Handicap Access	April 01, 2011
Proposed R/W, PUE and Utility Pole/Fixed Object Placement	February 25, 2011
Typical Highway Cross Sections	December 07, 2010
Drainage Structure Numbers (Revised-07-13-2010)	July 7, 2010
Guidelines for Control of Access Fence	July 7, 2010
Addition of Survey Sheets to Highway Plans, Centerline Control Points Coord List & ROW/Easement Points Coord List	June 10, 2010
Updated Tri-Managed Bridge Replacement Process	May 22, 2010
Baseline Information Shown on Roadway Plan Sheets	December 01, 2009
Updates to Pipe Standards and Material Selection	August 27, 2009
Drainage Structure Numbers	August 11, 2009
Complete Streets Policy	July, 2009
Locating Curb Ramps	May 20, 2009
Incorporating NEU Wetland File in Final Roadway Plans	March 30, 2009
Traffic Forecast Guidelines	February 24, 2009
Median U-Turn Bulbs	February 5, 2009
Final Survey Folder/Files (File Management Structure)	January 9, 2009
Establishing PUE's	November 06, 2008
Concrete Transitional Sections for CB and DI's (Jay Bennett)	October 21, 2008
Concrete Transitional Sections for CB and DI's (Randy Garris)	August 26, 2008
Bridge Approach Fill Details	July 01, 2008
Accommodations of Pedestrians within Work Zones	May 20, 2008
Construction Revisions	April 29, 2008
Roadway Design Project Engineer Assignment for Division DDC	April 9, 2008
Adherence to Policies to Accommodate Bike and Pedestrian Needs	April 4, 2008
Subregional Tier Design Guidelines for NCDOT Bridge Projects	March 10, 2008
NCDOT Guideline for Median Separation at Highway/Railway At-Grade Crossings	February 27, 2008
Scope of Preliminary Designs	April 23, 2007
New/Unique Processes	April 17, 2007
Hearing Map Plotting Procedures	March 22, 2007
Jurisdictional Stream Lines	February 2, 2007
Wetland, Stream, & Riparian Buffer Impact Calculations	September 01, 2006
New and Revised Standard Drawings	April 3, 2006
TIP Cost Estimates Milestones	December 08, 2005
DTM and TIN Files	September 08, 2005
Guidelines for Sealing of Plans at Final Turn-in	April 29, 2005
Official memorandum (2004 Green Book)	February 23, 2005
Superelevation Guidelines	September 09, 2004
Earthwork Balance Card for Clustered Projects	June 21, 2004
Design Exception Guidelines	April, 2004
Combining State Highway Projects	July 31, 2003
Pavement Structure Volume	July 17, 2003
Earthwork Balance Sheet	September 11, 2002
Survey Control Data for Plan Sheets [ Datum Description ]	January 28, 2003
Service Roads and Plan Changes	May 21, 2002
Efficiency Improvements - Notification of Municipal Boundaries on Roadway Design Plans (Title Sheet)	August 20, 2001
Concrete Median Barrier Sign Foundation	August 14, 2001
Coordinate Reference Systems and Baseline Survey Guideline	August 21, 2000
Paving of Wheelchair Ramps	July 14, 2000
Demolition of Buildings and Building Removal	November 10, 1999
[Paying for] Cable Guiderail, Degradeable Rock, and Cement Treated Base Course	August 31, 1999
Final Plan Consistency [Design Exception and Shear Point Diagram]	August 06, 1999
Preliminary Cost Estimate Guide	June 11, 1999
Section 200, 210, 215, and 220 Pay Items [Building Removal Items]	September 21, 1998
Plan Preparation	April 03, 1998
Placement of Mountable Medians	March 30, 1998
Design Exceptions and Pavement Slope	November 05, 1997
Continuous Two-Way Left Turn Lanes [7 Lane Section]	January 06, 1993
Estimating Aggregate Stabilization	April 07, 1992
Project Files [Content of the Project History Notebook and the "Brown" Let Folder	July 08, 1980

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GEOTECH
Subject	Date
2012 Temporary Shoring Special Provision	October 07, 2011
Reinforced Soil Slopes Project Special Provision	March 04, 2011
Aggregate Subgrade Provision for Shallow Undercut Quantities	October 07, 2010
Geotextile for Pavement Stabilization	October 30, 2009
Aggregate Subgrade and Select Granular Material Pay Items	October 09, 2009
Availabilty of Subsurface Plans	August 13, 2009
Revised Shallow Undercut Special Provision	June 27, 2007
Temporary Shoring Temporary Shoring Provisions Temporary Shoring Details	January 17, 2007
Available Geotech-Rdy Subsurface Information	November 30, 2006
Temporary Shoring Recommendations	October 05, 2006
Retaining Wall Design Guidelines	May 31, 2006
Retaining Walls and Sound Barrier Walls	July 29, 2005
Minutes for the Earthwork Balance Card Meeting	April 07, 2005
Shrink/Swell Factors [Rock]	July 06, 2004
Earthwork Balance Card for Clustered Projects	June 21, 2004
New Lump Sum Grading Guidelines	June 10, 2003
Shallow Undercut Provision (revised on 6/27/07)	October 04, 2000
Select Material	September 07, 2000
[Paying for] Cable Guiderail, Degradeable Rock, and Cement Treated Base Course	August 31, 1999

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GUARDRAIL
Subject	Date
Usage of weathered Steel Beam Guardrail	August 02, 2011
Additional Guiderail Post	November 29, 2006
Use of Guardrail Anchor Units (GRAU) B-77, B-83 and Type III	June 15, 2006
Discontinued Use of Weathered Steel Beam Guardrail See Guardrail Memo Revised on 8/02/2011	June 06, 2006
Discontinued Use of Shoulder Berm Gutter with GRAU-350 & M-350	July 08, 2004
Three New Guardrail Details [B-83, B-77, and Cable Guiderail]	September 04, 2002
New False Sump Detail & Cable Guiderail Placement	May 16, 2002
Wood Guardrail Posts & Offset Blocks	April 17, 2002
Roadway Criteria - Widening Fill Slopes for Guardrail	May 07, 2001
Guardrail End Treatment - Non-Gating Impact Attenuator	March 06, 2001
Intermediate Guiderail Anchors	April 25, 2000
Temporary Guardrail	January 24, 2000
Placement of Median Guardrail in Area of Superelevation	February 02, 1999
Steel Beam Guardrail, Double Faced [Special Detail]	November 24, 1997
Guardrail Items [for C&G Projects, Lengths at Underpasses, and BIC]	August 29, 1995
Guardrail Items [4:1 Maximum Slope]	June 07, 1993

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HYDRAULICS
Subject	Date
Drainage Structure Numbers (Revised-07-13-2010)	July 13, 2010
Subsurface Drainage	March 24, 2010
Jurisdictional Stream Lines	February 2, 2007
Wetland, Stream, & Riparian Buffer Impact Calculations	September 01, 2006
Pipe Material Alternates	February 24, 2006
Masonry Drainage Structures	August 22, 2002
Preformed Scour Hole with Level Spreader Apron	June 04, 2002
Shoulder Berm Gutter [Paid for as]	April 09, 2002
Hazardous Waste Retention Basin	February 15, 2001
Ditches with Stone Liner	September 18, 2000
Drainage Issue, Use of Expressway Curb and Gutter with Guardrail	June 13, 2000
Masonry Drainage Structures [Extra Depth]	July 17, 1998
Stream Avoidance and Minimization	February 06, 1998
Guidelines for Placing Invert Elevations on Plans	November 14, 1996

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PAVEMENT
Subject	Date
Asphalt Binder for Plant Mix Pay Items	May 09, 2011
Alternate Base Pavement Design	October 20, 2006
Pavement Design Request for Widening and New Location Process	October 13, 2005
Asphalt Pavement Lift and Layer Thickness	June 23, 2005
Asphalt Binder Percentages	November 25, 2003
Pavement Structure Volume	July 17, 2003
Pavement Design for Driveways	March 20, 2002
Asphalt Wearing Surface on Approach Slab Details	March 15, 2000
Maintenance Related Pavement Between Outside Edge of Paved Shoulders and Guardrail	February 10, 2000
Change in Superpave Specifications - Revision 2	November 23, 1999
Removal and Breaking Existing Pavement (Roadway Pavement and Paved Shoulders)	December 23, 1998
Superpave Asphalt Concrete Mixes	October 15, 1998

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PLAN AND PERMIT REVIEW PROCESS
Subject	Date
Plan & Permit Review Process for Widening & New Location Revised December 2004 Memo	December, 2011
Incorporating NEU Wetland File in Final Roadway Plans	March 30, 2009
Jurisdictional Stream Lines	February 2, 2007
Roadway Designs Implementation of Review Process	September 1, 2005
Bridge Replacement Projects - Plan & Permit Review Process	July 12, 2005
Plan & Permit Review Process for Widening & New Location Revised December 2011	December 3, 2004
Permit Issues with Roadway Plans	April 20, 2004