Project Development > Highway Design > Standard Specifications
NHDOT Supplemental Specifications (2010 Edition) - updated September 1, 2010
The table below is a list of all Supplemental Specifications that have been adopted as additions or revisions to the Standard Specifications for Road and Bridge Construction, August 2010 Edition.
| Section | Description | Revision | Last Revision Date |
Current Revision Date |
|---|---|---|---|---|
| Division 100 | ||||
| 107.01 | Laws to be Observed | Bulletin Board Requirements | 11/07/12 | |
| 108.09 | Failure to Complete on Time | Liquidated Damages Schedule | 10/05/10 | |
| 109.04 | Differing Site Conditions, Changes and Extra Work | Regional Adjustment Factor | 03/12/10 | 09/01/10 |
| 109.04.4.4 | Equipment and Plant | Rental Equipment Mark-up | 11/07/12 | |
| 109.09 | Payments to Subcontractors | Prompt Payment | 09/06/11 | |
| 109.11 | Measurement and Payment | Final Pay Quantity | 11/07/12 | |
| Division 200 | ||||
| 214 | Fine Grading | 3.1 – Amends the tolerance for specific slopes prior to paving to 0.2% | 01/10/13 | |
| Division 300 | ||||
| Division 400 | ||||
| 401 | Joints | 2.5.1 - Revises ESAL/Minimum Binder Content Criteria | 01/10/13 | |
| 401 | Asphalt Modifiers | 2.11 - Adds QC/QA Specifications to High-Strength Mix Quantities over 2,000 Tons | 01/10/13 | |
| 401 | Pavers | Removes 3.11.3 – Performance Requirements to 3.11.1.1 for both QC/QA and Method Work Renames 3.11.1.1.1 – MTV Requirements to 3.11.3 and Assures Ability to Re-mix and Movable Discharge Conveyors for MTVs |
01/10/13 | |
| 401 | Compaction | 3.12.2.4 (formaly 3.12.1.4) - Requires Informational Density Cores on Shoulders and Lessens Density Penalty for Overlays Not Previously Leveled | 01/10/13 | |
| 401 | Joints | 2.12.1 - Adds Pavement Joint Adhesive Properties 3.13.4 – Assures full head of Material for Permanent Transverse Joints 3.13.5 - Removes Requirement for Hot Air Lance, Adds Requirements for Melting Kettle, and Allows Echelon Paving In Lieu of Pavement Joint Adhesive |
01/10/13 | |
| 401 | Acceptance Testing - Air Voids | 3.17.3.2 - Revises AASHTO reference to ASTM reference, Requires Information Shoulder Cores, Eliminates Upper Limit of Core Thickness | 01/10/13 | |
| 410 | Bituminous Surface Treatment | 2.1 - Identifies Asphalt Emulsion Grades | 01/10/13 | |
| Division 500 | ||||
| 511 | Preparation for Concrete Bridge Deck Repairs | Adds the Application of Anti-corrosion Coating to Uncoated Reinforcing Steel in Patch Areas | 01/10/13 | |
| 520 | Performance Requirements (QC/QA) - Testing Equipment | 3.1.3.2.1(K) -Requiring Ceramic or Porcelain Dishes | 12/01/10 | |
| 538 | Barrier Membrane | 3.1.1 & 3.3.1.4 – Adds Requirement of Digital Ambient Temperature and Dew Point instrument |
01/10/13 | |
| 563 | Bridge Railing | Remove Final Pay (F) from Items | 11/07/12 | |
| Division 600 | ||||
| 603/605 | 603-Culverts and Storm Drains 605-Unerdrain |
Amend 603.2.9.1 & 605.2.3 - Requiring PVC Manufacturers' Participation in NTPEP | 12/05/12 | |
| 618 | Training Requirements for Uniformed Officers and Flaggers | Delete and Add revised Description, Equipment, and Construction Requirements sections | 01/04/12 | |
| 621/622 | 621-Delineators 622-Markers and Bounds |
621-AASHTO Standard Update & Required Documentation & 622-Required Documentation |
11/07/12 | |
| 632 | Retroreflective Pavement Markings | Add 2.2.1 - Arsenic and Lead Levels in Glass Beads | 11/07/12 | |
| 632 | Retroreflective Pavement Markings | Delete 632.3.2.8.1 & 632.3.2.8.2 | 03/07/11 | |
| 644 | Grass Seed – Slope Seed (WF) Type 45 Mix |
Amend 2.3 | 10/02/11 | |
| 645 | Erosion Control | 3.1.7 – Amends Requirement for Permanent Stabilization from 14 Days to 3 Days | 01/10/13 | |
| 698 | Field Facilities (Computer Specifications/Scanner) | 2.2.1 & 2.2.2 | 04/21/11 | 01/15/12 |
| Division 700 | ||||
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