Project Development > Highway Design > Standard Specifications
NHDOT Supplemental Specifications - updated March 3, 2009
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, July 2006 Edition.
| Section | Description | Revision | Last Revision Date |
Current Revision Date |
|---|---|---|---|---|
| Division 100 | ||||
| 101.67 | Major/Minor Contract Item Definition | Last sentence | 02/19/09 | 03/03/09 |
| 105.08 | Construction Stakes, Lines, and Grades | 2nd Paragraph | 10/18/06 | |
| 106.10 | Disposal Agreement | 11/27/07 | ||
| 107.02 | Permits, Licenses, and Taxes | 5th Paragraph | 07/18/06 | |
| 108.01 | Subletting of Contract | 4th, 5th & last Paragraph | 09/06/07 | 10/31/08 |
| 108.09 | Failure to Complete on Time | Liquidated Damages Schedule | 01/29/07 | |
| 109.04 | Differing Site Conditions, Changes and Extra Work | Company Name Change (08/08/07);Regional Adjustment Factor | 08/08/07 | 02/12/08 |
| 109.10 | Acceptance and Final Payment | Last paragraph | 02/10/07 | |
| Division 200 | ||||
| Division 300 | ||||
| 304 | Base Courses | Table 1 (01/07/07) | 01/07/07 | |
| Division 400 | ||||
| 401/403/410/ 411/413/417 |
Division 400 - Pavements | All Sections Revised (53 pages) | 04/09/09 | |
| Division 500 | ||||
| 520 | Portland Concrete Cement | Table 1A | 03/29/07 | |
| 534 | Water Repellent | 1.1, 3.4, 3.4.3, 4.2, 4.3, 5.2, 5.3 (06/04/08) | 06/04/08 | |
| 537 | Concrete Sealer | Delete Section | 05/16/08 | |
| 544 | Reinforcing Steel | 2.1.2 | 03/13/07 | |
| 550 | Structural Steel | Add: 3.11.6.1.4 | 10/18/06 | |
| 562 | Elastomeric Sealant | Section rewrite to Silicone Joint Sealant | 04/02/08 | |
| Division 600 | ||||
| 604 | Catch Basins, Drop Inlets & Manholes | 4.2, 5.2 | 02/13/07 | |
| 618 | Uniformed Officers and Flaggers | 3.2.2 | ||
| 619 | Maintenance of Traffic | 5.2, 5.2.1 | 10/18/06 | |
| 632 | Retroreflective Pavement Markings | 2.3, 2.4, 2.4.1, 2.5.5.3, 3.1.1, 3.1.1.1, 3.2 and Pay Items | 10/01/08 | |
| 645 | Erosion Control | 1.1, 1.2, 2.1, 2.2, 3.4, 4.2, 5.1 and Pay Items |
01/06/09 | 02/11/09 |
| 645 | SWPPP Revisions and Addition of Item 645.48 | 1.3, 3.1, 3.2, 3.9, 3.10, 4.8, 5.6, 5.7 - 5.10 and Pay Items | 04/08/09 | |
| 698 | Field Facilities (Computer Specifications) | 2/2/1 (05/05/03), (08/18/03), (02/22/05) | 03/08/05 | 08/03/07 |
| 698 | Field Facilities | 2.2.1 | 09/12/07 | |
| Division 700 | ||||
Do you have a question or comment concerning these Supplemental Specifications? E-mail our Contracts and Specifications Office.