3. Citizen Group Copy of 4 6-29-15 MNDOT Bound Aggregate Surfacing Guide Specifications
The following modifications and clarifications to the 2014 edition of the MNDOT Standard Specifications
for Construction and the 2014 Edition of the MNDOT Materials Lab Supplemental Specifications for
Construction are suggested for procurement of Bound Aggregate. This information could be placed
within the specification document or on the plans.
Pay Item Changes or Clarifications
Specification Pay Item
Section TitleItemUnitQuantity
Section NumberNumber
Aggregate Surfacing Class 1 with
Aggregate
21182118.501Five to Eight Percent Clay Binder ton800
Surfacing
Soil
Calcium Chloride Type S Grade 3 at
2131.501ton8
Application of
94% Concentration
2131
Calcium Chloride
Calcium Chloride Solution Type L at
2131.502gallon1500
26% Concentration
Construction Specification Changes and Clarifications
Specification
Change or Clarification
Section Title
Section Number
Add the following to Section 3146.1 SCOPE: Between five and eight
percent binder soil must be added to Section 2118 Aggregate
Surfacing on a by aggregate weight basis.
3146Binder Soil
Add the following to Section 3146.2 REQUIREMENTS (3): Minimum
Plasticity Index of 10 as determined in accordance with AASHTO T89
and 90
Delete the first sentence of Section 2131.5 BASIS OF PAYMENT, and
add the following: No payment will be made for water used in
Application of
2131
accordance with 2130 "Application of Water for Dust Control."
Calcium Chloride
Payment will be made for either liquid or dry calcium chloride.