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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.

Standard Specifications for Road and Bridge Construction, July 2006 Edition Supplemental Specifications

Section Description Revision Last
Revision
Date
Current
Revision
Date
Division 100
107.01 Laws to be Observed Bulletin Board Requirements 11/07/12 04/05/13
108.09 Failure to Complete on Time Liquidated Damages Chart 10/05/10 04/14/14
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 Job Mix - General 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 Plant Mix Pavements - General Adds 3.10.4 - Sets limit of maximum compaction at 5 inches. 03/11/14 03/27/14
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
  12/14/11
401 Compaction 3.12.2.4 (formally 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
401/403

401 - Plant Mix Pavements - General

403 - Hot Bituminous Pavement

Removes Final Pay Status for bridge base pavement  

03/27/14

410.2.1 Bituminous Surface Treatment

2.1 - Identifies Asphalt Emulsion Grades & Changes last line in table to Celsius, as well as changes the CRS-1 and CRS-1h temperature values

5.3 - Updated refrence due to 401.3.10 revision

03/11/14 03/27/14
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
520 Bearing Strips

Replaces 2.8 - Identifies bearing strip material and bonding agent.

Adds 3.6.3.3 - Specifies Bearing Strips

11/08/13 03/27/14
538 Barrier Membrane

3.1.1 & 3.3.1.4 – Adds Requirement of Digital Ambient Temperature, Dew Point, and Infrared Surface Temperature Instruments
3.3.5 – Specifies Laydown Temperature of Pavement Overlays

01/10/13 01/23/13
559 Asphaltic Plug Expansion Joint, Asphaltic Plug Crack Control New Section   10/16/13
560 Prefabricated Compression Seal Expansion Joint Complete Revision of Section   10/16/13
561 Prefabricated Expansion Joint Complete Revision of Section   10/16/13
563 Bridge Railing Remove Final Pay (F) from Items   11/07/12
593 Geotextile Amends paragraphs 2.1 and replaces 2.3.2 to present NTPEP audit program and update test methods.   03/27/14
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
603 Culverts and Storm Drains

Revises 1.1 and 5.1 - Stipulates sawed pavement required for this work shall be subsidiary

Adds 3.1.10 – Conformance to 628.3.4
  04/14/14
604 Catch Basins, Drop Holes, and Manholes

Revises 1.1 and 5.1 - Stipulates sawed pavement required for this work shall be subsidiary

Adds 3.1.3 – Conformance to 628.3.4
  04/14/14
614 Electrical Conduit

Revises 1.1 and 5.1 - Stipulates sawed pavement required for work shall be subsidiary

Adds 3.1.3 – Conformance to 628.3.4
  04/14/14
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

11/06/13 04/03/14
628 Sawed Pavement

Replaces 5.2 and Adds 4.2 - Stipulates sawed pavements requirements and the work it shall be subsidiary for

Adds 5.3 – When payment is under 628.3
  04/14/14
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

Amends 4.6.1, 4.6.1.1, and 5.6 regarding SWPPP and SWPPP monitoring measurement and payment

01/10/13 01/08/14
698 Field Facilities (Computer Specifications/Scanner) 2.2.1 & 2.2.2 04/21/11 01/15/12
Division 700
718 Retroreflective Sheeting Updates for current ASTM Specifications and Removal of Certain Film Requirements 09/04/13 11/06/13

Do you have a question or comment concerning these Supplemental Specifications? E-mail our Contracts and Specifications Office.





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