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Project Development > Highway Design > Standard Specifications

NHDOT Supplemental Specifications (2016 Edition) - updated May 21, 2018

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, March 2016 Edition.

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

Standard Specifications for Road and Bridge Construction, August 2010 Edition Supplemental Specifications

 

Section Description Revision Last
Revision
Date
Current
Revision
Date
Division 100
101 Definitions and Terms

101.79 - Revises Frequency of Updates (06/06/17)

101.116-119 - Revises Definitions of Weather Days and Working Days (04/02/18)

06/06/17 04/02/18
106.04 Qualified Products List Revises Frequency of Updates   06/06/17
109.04 Differing Site Conditions, Changes and Extra Work Revises Rental Rate Blue Book Online Requirements (04/02/18) 01/06/12 04/02/18
Division 200
211.3.4 Vibration Monitoring Adds reference to pre- and post-construction survey requirements   04/05/17
Division 300
         
Division 400
401 Plant Mix Pavements - General

2.5.1 - Adds winter binder to the design control points (04/05/17)

2.10 – No greater than 1% TRB (06/06/17)

3.10.10.1 – Removes penalty for failing tack (06/06/17)

3.12 – Allows a reduction in use of pneumatic-tired rollers (06/06/17)

3.17.3.1.1 – Revises HMA gradation specification limits, completes addition of winter binder, removes allowance for Aim change after two sub-lots (06/06/17)

4.1.1 – Removes reference to Night Items (06/06/17)
04/05/17 06/06/17
403.1.3 Night Item Removal Removes all references to Night Items in Section 403   06/06/17
410 Bituminous Surface Treatment

2.1 - Adopts new AASHTO Specifications for Emulsions (04/13/16)

3.4.1.1 - Revises pavement conditions, application rate for tack (01/04/17)

2.1.1, 2.1.2, 3.2, 3.3, 3.4 – Identifies tack sampling and penalties for non-conformance (06/06/17)

01/04/17 06/06/17
411 Pneumatic Tired Roller

3.5.5 - Requires the use of pneumatic tired rollers on all Section 411 paving (06/06/17)

Removes Pay Items (04/02/18)

06/06/17 04/02/18
417 Rumble Strip Inlay 2.1 & 3.7 - Specifies PMST as the asphalt inlay to fill in rumble strips   04/02/18
Division 500
520 Concrete Delivery Temperature 3.8.1.1 - Revises the acceptable concrete delivery temp to 90 degrees Fahrenheit   04/02/18
530 Waterproofing Concrete Surfaces Deletes Section 530   05/21/18
538 Barrier Membrane

3.3.5 - Updates the laydown temperature range

  09/15/16
563 Bridge Fence 1.2, 1.3, 2.2, 2.6 & 2.8 - Allows aluminum ties for attaching fencing to bridge rail   09/15/16
568 Structural Timber 2.2, 3.4.4 & 3.4.5 - Adds specific references to AWPA Standards & wooden piles   04/02/18
582 Preformed Joint Filler 2.4 - Revises Preformed Joint Filler Requirements   04/02/18
Division 600
603 Plastic Pipe

2.3, 2.6 & 2.7 - Updated to include Polypropylene Pipe and associated UV Requirements

2.13 - Added for Contractor's Option

04/13/16 06/02/16
605 Plastic Pipe 2.3 & 2.2 - Updated to include Polypropylene Pipe   04/13/16
606 Guardrail 2.2 - Adds specific references to AWPA Standards & wooden piles   04/02/18
608 Detectable Warning Devices 2.6 - Updates Detectable Warning Device Requirements   04/02/18
609 Curbs 2.4.1.1 - Allows the substitution of PG 76-28 binder in lieu of fibers   04/02/18
615 Cofferdam for Sign Installation 5.1.5 - Revises payment for sheeting and shoring for sign structures   04/02/18
645 Matting

1.1 - Matting Section Revised and Pay Items Revised (04/02/18)

1.1 - 'Stabilization' changed to 'matting'

02/01/17 04/02/18
Division 700
702 Bituminous Materials Amends Table 702-1 & 702-2 04/13/16 05/11/16

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





New Hampshire Department of Transportation
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