ST0501-CS120525 MAY-25-2012 04:35 P.01/01
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From: richardgee @geeconsultants.com <richardgee @geeconsultants.com>
[add to cons
To: richardgee @geeconsultants.com, George Marshall <gmarshall @coppelltx.gov>,
Dan DeGroot<dan,degroot @burgessniple,com>
Cc:
Date; Friday, May 25, 2012 05:24 pm
Subject: Re: Deforest-Cement Stabilization Pay Item.docx
Attachments: D Text version of this message. 2KB
i1 f4Terifg ]o pg.. :KB)
GEE-Logo.jpg (30KB)
Mr. Marshall a Mr. Davis( via Fa~�
As a follow up to our conversation of 5-24-12, after re-review of TxDOT Item 275.4, curing of the
cement stabilized roadway is only required for three(3) days. The contractor is required to keep tt
subgade wet until opened for traffic or until another layer is added. The moisture can be maintain
by using AC emulsion sealer OR by keeping the stabilized subgrade moisture content to at least 2�/i
below optimum MC. Both AC sealer and keeping the roadway wet are not required, but the AC seV
should be applied while the subgrade has the required minimum moisture level. The 42 lbs./SY of
cement would certainly work in lieu of 39.6 lbs./SY as recommended.
As a side note question and answer, Cem-lime must have at least 55 % cementitious material. •
•
If you have any other questions, please feel free to contact us.
Texas CMT, Inc.
Richard W. Gee, P.E.
•
Original Message
From: richardgee @geeconsultants.com [mailto:richardgee @geeconsultants.com]
Sent: Wednesday, May 23, 2012 07:15 PM
To: 'George Marshall', 'Dan DeGroot, 'Richard Gee'
Subject: Re: Deforest- Cement Stabilization Pay Item.docx
Mr. Marshall:
The attached letter confirms our verbally recommended limits of cement stabilization relayed to
on May 11, 2012 and reports results of the cement series test and recommendations related to
such.
If you have any questions, please feel free to contact us.
Sincerely,
Texas CMT, Inc.
Richard W. Gee, P.E.
President
http://mail.geeconsultants.com/edgedesk/cgi-bin/inbox.exe?id=01 accfnbl d6bde6ca9641 f0f... 5/25/2012
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