07 Members Present: John Adam








MINUTES
OF
IOWA DOT SPECIFICATION COMMITTEE MEETING


July 12, 2007


Members Present:
John Adam
Statewide Operations Bureau

Tom Reis, Chair
Specifications Section

Daniel Harness, Secretary Specifications
Section

Gary Novey
Office of Bridges & Structures

Jim Berger
Office of Materials

Doug McDonald
District 1-Marshalltown RCE

John Smythe
Office of Construction

Keith Norris
District 2-District Materials
Bruce
Kuehl

District
6-District Construction

Roger Bierbaum

Office of Contracts

Members Not Present:
Troy Jerman
Office of Traffic & Safety

Mike Kennerly
Office of Design

Larry Jesse
Office of Local Systems

Advisory Members Present: Lisa
Rold
FHWA
Larry
Stevens
SUDAS

Others Present:
Deanna Maifield
Office of Design

Donna Buchwald
Office of Local Systems

Tom Reis, Specifications Engineer, opened the meeting. The following items were discussed in
accordance with the agenda sent July 5, 2007:

1.
Article 2507.02, B, 2, Cement.

The Office of Materials requested a change to allow the use of other cements, such as Type IS cements.

2.
Article 2529.02, B, 4, Cement.

The Office of Materials requested a change to set the minimum mix temperature when a mid range is
used to be same as for Type IS as it is for Type I/II for both 5 hour and 10 hour patches.

3.
Article 2530.03, B, 4, d, Cement.

The Office of Materials requested a change to set the minimum mix temperature when a mid range is
used to be same as for Type IS as it is for Type I/II for both 5 hour and 10 hour patches.

4.
DS-01057, Trenchless Construction.

The Office of Construction requested changes to clarify welding requirements.

Minutes, Specification Committee Meeting, July 12, 2007, Page 2 of 30
5.
SS-01046, Quality Management Concrete (QM-C).

The Office of Materials requested a change to remove Appendix A and include an allowance for mix
design approval without a laboratory mix if contractors fall within Zone II-A.

6.
Discussion of Developmental and Supplemental Specifications.

The Specification Section requested a discussion regarding which Developmental and Supplemental
Specifications should be included in the new book.

Minutes, Specification Committee Meeting, July 12, 2007, Page 3 of 30
SPECIFICATION REVISION SUBMITTAL FORM
Submitted by: Jim Berger
Office: Materials
Item 1
Submittal Date: July 3, 2007
Proposed Effective Date: April 2008
Article No.: 2507.02, B, 1
Title: Cement
Other:
Specification Committee Action: Approved as is.
Deferred:
Not Approved:
Approved Date: 7/12/07
Effective Date: 4/15/08
Specification Committee Approved Text: See Specification Section Recommended Text.
Comments: None.
Specification Section Recommended Text:
2507.02, B, 1, Cement.
Replace the entire article:
Cement shall be Type I or Type II in accordance with Section 4101, at the rate of 10 sacks (940
pounds) per cubic yard (558 kg per cubic meter).
Comments:
Members Requested Change (Redline/Strikeout):
B. Grout.
1. Cement.
Cement shall be
Type I or Type II
in accordance with Section 4101, at the rate of 10 sacks (940
pounds) per cubic yard (558 kg per cubic meter).

Reason for Revision:
County or City Input Needed (X one)
Yes
No
Comments:
Industry Input Needed (X one)
Yes
No
Industry Notified:
Yes X
No
Industry Concurrence:
Yes X
No
Comments: To allow the use of other cements such as Type IS cements. Many ready mix plants have
Type IS as their only source. This is a similar to change in Article 2506 (Flowable Mortar). Need for
change noted by several ready mix producers.



Minutes, Specification Committee Meeting, July 12, 2007, Page 4 of 30
SPECIFICATION REVISION SUBMITTAL FORM
Submitted by: Jim Berger
Office: Materials
Item 2
Submittal Date: July 3, 2007
Proposed Effective Date: April 2008
Article No.: 2529.02, B, 4
Title: Cement
Other:
Specification Committee Action: Approved as is.
Deferred:
Not Approved:
Approved Date: 7/12/07
Effective Date: 4/15/08
Specification Committee Approved Text: See Specification Section Recommended Text.
Comments: The Office of Materials noted that Industry agrees with the changes.
Specification Section Recommended Text:
2529.02, B, 4, Cement.
Replace the second row of the table and the note:

Patch
Type
Cement Type
Maximum
Allowable
Substitution
Minimum Mix
Temperature
5 Hour
Type I, Type II
Type IS
0% Fly Ash
0% Fly Ash
75ºF (24ºC)
80ºF (27ºC)*
10 Hour Type I, Type II
Type IS
10%Fly Ash
0% Fly Ash
65ºF (18ºC)
70ºF (21ºC)*
* When a Type A Mid Range Water reducing admixture is used, the
minimum mix temperature shall be that required when Type I/II
cement is used 75ºF (24ºC).

Comments:
Members Requested Change (Redline/Strikeout):
4. Cement.
Cement for Class M mixes shall meet requirements of Section 4101.

The cement types and maximum allowable substitution rates shall be as follows:

Patch
Type
Cement Type Maximum Allowable
Substitution
Minimum Mix
Temperature
5 Hour
Type I, Type II
Type I(SM)
0% Fly Ash
0% Fly Ash
75ºF (24ºC)
80ºF (27ºC)*
10 Hour
Type I, Type II
Type I(SM)
10%Fly Ash
0% Fly Ash
65ºF (18ºC)
70ºF (21ºC)*
Minutes, Specification Committee Meeting, July 12, 2007, Page 5 of 30
* When a Type A Mid Range Water reducing admixture is used, the
minimum mix temperature shall be that required when Type I/II
cement is used
75ºF (24ºC
.

Reason for Revision:
County or City Input Needed (X one)
Yes
No
Comments:
Industry Input Needed (X one)
Yes
No
Industry Notified:
Yes X
No
Industry Concurrence:
Yes X
No
Comments: Industry requested minimum mix temperature when a mid range is used to be same as Type
I/II for both 5 hour and 10 hour patches.


Minutes, Specification Committee Meeting, July 12, 2007, Page 6 of 30
SPECIFICATION REVISION SUBMITTAL FORM
Submitted by: Jim Berger
Office: Materials
Item 3
Submittal Date: July 3, 2007
Proposed Effective Date: April 2008
Article No.: 2530.03, B, 4, d
Title: Cement
Other:
Specification Committee Action: Approved as is.
Deferred:
Not Approved:
Approved Date: 7/12/07
Effective Date: 4/15/08
Specification Committee Approved Text: See Specification Section Recommended Text.
Comments: The Office of Materials noted that Industry agrees with the changes.
Specification Section Recommended Text:
2530.03, B, 4, d, Cement.
Replace the second row of the table and the note:
Patch
Class
Cement Type Maximum Allowable
Substitution

Minimum Mix
Temperature
B
Type I, Type II
Type IS
0% Fly Ash
0% Fly Ash
75ºF (24ºC)
80ºF (27ºC)*
C
Type I, Type II
Type IS
10% Fly Ash
0% Fly Ash
65ºF (18ºC)
70ºF (21ºC)*
* When a Type A Mid Range water reducing admixture is used, the
minimum mix temperature shall be that required when Type I/II cement is
used 75ºF (24ºC).

Comments:
Members Requested Change (Redline/Strikeout):
d. Cement.
Cement for Class M concrete mixtures shall meet the requirements of Section
4101.

The cement types and maximum allowable substitution rates shall be as follows:

Patch Class Cement Type Maximum Allowable
Substitution

Minimum Mix
Temperature
B
Type I, Type II
Type I(SM)
0% Fly Ash
0% Fly Ash
75ºF (24ºC)
80ºF (27ºC)*
C
Type I, Type II
Type I(SM)
10% Fly Ash
0% Fly Ash
65ºF (18ºC)
70ºF (21ºC)*

Minutes, Specification Committee Meeting, July 12, 2007, Page 7 of 30
* When a Type A Mid Range water reducing admixture is used, the
minimum mix temperature shall be that required when Type I/II cement is
used
75ºF (24ºC)
.

Reason for Revision:
County or City Input Needed (X one)
Yes
No
Comments:
Industry Input Needed (X one)
Yes
No
Industry Notified:
Yes X
No
Industry Concurrence:
Yes X
No
Comments: Industry requested minimum mix temperature when a mid range is used to be same as Type
I/II for both 5 hour and 10 hour patches.


Minutes, Specification Committee Meeting, July 12, 2007, Page 8 of 30
SPECIFICATION REVISION SUBMITTAL FORM
Submitted by: John Smythe / Kyle Frame
Office: Construction
Item 4
Submittal Date: 06/12/07
Proposed Effective Date: 10/16/07
Article No.: DS-01057
Title: Developmental Specifications for Trenchless
Construction
Other:
Specification Committee Action: Deferred to the next meeting.
Deferred: X
Not Approved:
Approved Date:
Effective Date:
Specification Committee Approved Text:
Comments: The Specifications Section asked that this item be deferred to allow time to include some
additional changes to bring this DS more in line with SUDAS specifications.
Specification Section Recommended Text: See attached Draft DS-01XXX
Comments:
Members Requested Change:
(Do not use
Track Changes, or Mark-Up. Use Strikeout and Highlight.

2418.02 Materials
B. Steel Pipe
Replace the second paragraph:

Joints shall comply with American Welding Society Code. Fully weld all joints with full penetrating
weld, including joints of casing pipes laid in open pipe trenches.
Joints and welding shall comply with American Welding Society Code D1.1M / D1.1. Fully weld all
joints with