MnDOT Intelligent Transportation Systems
Project Management Design Course
Section 5:
Special
Provisions
Office of Traffic, Safety, and Technology
27. Standard & Spec. Prov.
2
• MnDOT Standard Specifications for
Construction
• The “Spec Book” contains standard
specifications to be used and referred to in
the design of plans
• Plan designers need to be aware of the
specifications contained in the Spec Book
that may apply to their individual project.
• The 2014/2005 Spec Book includes both
metric and non-metric units of measure
conversions.
• The 2014 Spec book also includes numerous
modifications to the 2005 Spec Book
Office of Traffic, Safety, and Technology
27. Standard & Spec. Prov.
3
• Format of the “Spec Book”
• Division I - General Requirements and
Covenants
• Division II - Construction Details
• Division III - Materials
Office of Traffic, Safety, and Technology
27. Standard & Spec. Prov.
4
• MnDOT 1504 - “Coordination
of Contract Documents”
A requirement appearing in one of the Contract documents is as binding as though the requirement
appears in all. If discrepancies exist between the Contract documents, the following order of precedence
applies:
(1) Addenda,
(2) Special Provisions,
(3) Project-Specific Plan Sheets,
(4) Supplemental Specifications,
(5) Standard Plan Sheets and Standard Plates,
(6) Standard Specifications.
If discrepancies exist between dimensions in the Contract documents, the following order of precedence
applies:
(1) Plan dimensions,
(2) Calculated dimensions,
(3) Scaled dimensions.
The Department and Contractor shall inform each other as to any discrepancy or defect they discover.
Neither the Contractor nor the Engineer shall take advantage of any discrepancy or defect. The Engineer will
review the alleged discrepancy or defect to determine if a contract revision is necessary in accordance with
1402, “Contract Revisions.” The Engineer will decide all issues concerning a discrepancy or defect.
Office of Traffic, Safety, and Technology
27. Standard & Spec. Prov.
5
• Format of MnDOT 2550 (Traffic
Management System)
• The format of MnDOT 2550 is as follows:
•
•
•
•
•
Description
Materials
Construction Requirements:
Method of Measurement:
Basis of Payment:
Office of Traffic, Safety, and Technology
27. Standard & Spec. Prov.
6
• Division III includes a section entitled
“Electrical Materials” which contains
various material specifications for
traffic management systems
Office of Traffic, Safety, and Technology
27. Standard & Spec. Prov.
7
• Other National and Local Standards
AASHTO
ASTM
ITE
ICEA
NEC
NEMA
RUS
UL
American Association of State Highway and
Transportation Officials
American Society of Testing and Materials
Institute of Transportation Engineers
Insulated Cable Engineers Association
National Electrical Code
National Electrical Manufacturers Association
Rural Utilities Service
Underwriter Laboratories, Inc.
Office of Traffic, Safety, and Technology
27. Standard & Spec. Prov.
8
• Supplemental Specifications
• Supplemental specifications are additions
and revisions to the standard specifications
that are approved after the standard
specifications book has been printed and
distributed
• They are published separately (usually in
paperback booklet form) until the next
updated Spec Book is published and
released
• The Plan and Proposal for each specific
project needs to state if there are
supplemental specifications that apply
Office of Traffic, Safety, and Technology
27. Standard & Spec. Prov.
• Special Provisions
• “Additions and revisions to the Standard and
Supplemental Specifications covering
conditions peculiar to an individual project”
• Special Provisions are just that: “SPECIAL”
provisions
• If an item(s) is adequately addressed or
specified in the Spec Book, Standard Plates,
Plan, or other Contract documents, then that
item(s) should not be duplicated within the
Special Provisions
Office of Traffic, Safety, and Technology
27. Standard & Spec. Prov.
• Division SZ covers traffic management
systems
• Special Provisions may be formatted
into more than one SZ section
Office of Traffic, Safety, and Technology
27. Standard & Spec. Prov.
• Sample Special Provisions
• Handout
• Full Document
• SAMPLE – DO NOT USE FOR PROJECT
WORK
Office of Traffic, Safety, and Technology
27. Standard & Spec. Prov.
12
• Approved Products List
• http://www.dot.state.mn.us/products/
• Tabulation of Quantities
• Designer needs to develop a "Tabulation
of Quantities“
• Design Item Guide Spreadsheet
Office of Traffic, Safety, and Technology
End
• End of Section 5