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WORK ORDER FORM
PURSUANT TO AN AGREEMENT BETWEEN
WELD COUNTY
AND
CTL THOMPSON
DATED: June 16, 2008
Work Order Number: CTL-6
Project Title: Public Works WCB 60.5/49A: Chloride Profiling
Commencement Date: June 12, 2008
Completion Date: June 30, 2008
Limitations on compensation: Not to exceed S 1,300
Project Description: Take samples of deck concrete to analyze chloride content
Scope of Services: See attached Scope of Work
Professional agrees to perform the services The attached forms are hereby accepted and
identified above and on the attached forms in incorporated herein, by this reference, and
accordance with the terms and conditions Notice to Proceed is hereby given.
contained herein and in the Professional
Services Agreement between the parties. In the
event of a conflict between or ambiguity in the Weld County
terms of the Professional Services Agreement
and this work order (including the attached By: (/l
forms) the Professional Services Agreement Project Ma ger
shall control. Date:
•
Professional By: 4...r-- .Z-
Department Head CTL Thompson, Inc. Date:
351 Linden Street, Unit 140 �� /Fort Collins, CO 800524 By:
�" Director ofEJIj$ ®n���y;minis tration
By: /i(�p ./1/� /�� � Date:
Title: r�� /Pi
I Chairman, Weld County Commissioners
Date: e, Z 31De Date: JUN 3 0 2008
/s y/RGC d' 00 ' P10C ( o KO Obi. 3a-og cl2i&ips
Proposal CTLITHOMPSON
• June 11, 2008
• a
. 3 4 Weld County
P.O. Box 758
5 3 3 Greeley, Colorado 80632
h } 3 Attention: Mr. Wayne Howard, PE
County Engineer-CIP
•
I ' Subject: Scope of Work and Fee Estimate for
H • Engineering Consultation
WCB 60.5/49A: Chloride Profiling Project
WCR 60.5 East of SH 85
i
Weld County Work Order No. CTL-6
" CTL I T Proposal No. FC 08-0388
CTL I Thompson, Inc. is pleased to present this letter describing our scope of work and
t 1 j t, fee estimate for providing engineering consultation services for Weld County Bridge
a 60.5/49A: Chloride Profiling project located east of State Highway 85 on WCR 60.5 in
' o-' 'I Weld County, Colorado. We understand the bridge was constructed sometime around
H 1969 and Weld County has inherited the bridge and associated maintenance from
CDOT. We understand that after the asphalt overlay had been removed as part of the
maintenance program, severe delamination, which typically indicates corrosion of
• c "' reinforcing steel, was evident in the concrete bridge deck. You have requested that we
I ' a1 collect samples of the concrete within the bridge deck and perform laboratory testing to
• , evaluate the corrosion potential at various depths in the slab. Our scope of work will
also include a site visit by our Mr. Jon Doudna, P.E., to observe current conditions of the
bridge deck and provide a summary report of his observations and recommendations.
r A detailed scope of services (Exhibit A) and fee estimate (Exhibit B) are attached. It
r', I should be emphasized that the fee estimate is based on assumptions of technician and
engineer time. Our time in the field may vary depending on site constraints and field
complications. Our actual fee will be based on the hours charged and laboratory tests
k 1;. conducted at the unit rates presented in Exhibit B. We will provide our services in
y I accordance with the Agreement for Professional Services dated June 7, 2008 and the
¢ amended Fee Schedule dated June 11, 2008.
Thank you for choosing CTL I Thompson, Inc. for your project. If we may be of further
-.A, assistance, please contact us at your convenience.
ta.
j t Respectfully submitted,
CTL I Thompson, Inc.
virI, FII GG
'- t riEernhardt, P.E.
Manager of Field Services
I , * III
r t� I� Attachments: Exhibit A—Scope of Services
Exhibit B— Fee Estimate
351 Linden Street I Suite 140 I Fort Collins, CO 80524 I Phone:970-206-9455 I Fax:970-206-9441 I www.ctlt.com
Exhibit A — Scope of Services AlciE CTLITHOMPSON
Weld County—WCB 60.5/49A: Chloride Profiling
ENGINEERING CONSULTATION
1. A representative of CTL will drill several holes in the bridge deck with a hammer drill. We will collect
samples of the pulverized concrete from each of the drill holes for water-soluble chloride content testing.
We will separate the samples of pulverized concrete collected from 1.5-inch to 2-inch thick increments for
testing. We will develop a profile of water-soluble chloride content versus depth for the bridge deck.
2. A representative of CTL will visit the project site to observe current conditions of the bridge deck. We will
prepare a letter report summarizing our observations and recommendations regarding corrosion.
3. We will send four copies of our letter report for the bridge deck signed by a professional engineer
registered in the State of Colorado.
4. If drilling holes is not effective, we will collect core samples and split the samples for profiling.
WELD COUNTY Page 1 of 2
CTL I T PROPOSAL NO.PC 08-0388
Exhibit B -- Fee Estimate CTLITHOMPSON
Weld County—WCB 60.5/49A: Chloride Profiling
SITE VISITS AND LABORATORY TESTING
We estimate our field technician will spend approximately 4 hours traveling to and from the site and collecting 4 samples from the
bridge deck. If coring is necessary, we estimate an additional 4 hours for two technicians will be necessary. We estimate the fees
for sending the concrete samples overnight to Wyoming Analytical Laboratory, Inc.(sub-consultant)will not exceed$40. Our sub-
consultant will perform 4 water-soluble chloride content tests at a rate of$40/ea. We estimate the combined time for a site visit by
our Mr.Jon Doudna,P.E., and report preparation by our Mr.Eric 0. Bemhardt, P.E.,to be approximately 6 hours. Our total
estimated fee is presented below:
Engineering Tech 4 Hours x $55 /Hr - $220
Engineering Tech (with coring) 2 Techs 4 Hours/Tech x $50 /Hr = $400
Overnight Samples 1 Set x $40 /Set x 1.15 = $46
Laboratory Testing 1 Set 4 Samples/Set x $40 /Ea x 1.15 = $184
Project Manager Visit 4 Hours x $75 /Hr = $300
Report Preparation 2 Hours x $75 /Hr = $150
TOTAL�EUllig �TED;FEF! _ ; �y = �r,�J
7OJTA ESTIMATED FEE • CORlNG
WELD COUNTY Page 2 of 2
CTL T PROPOSAL NO.FC 08-0388
MEMORANDUM
wiip C TO: Clerk to the Board DATE: June 25, 2008
•
COLORADO FROM: Wayne Howard, Chief Senior Engineer, Public Works
SUBJECT: CONSENT AGENDA ITEM
Please put the attached item on the Consent Agenda.
Work Order for the WCB60.5/49A Project with CTL Thompson , Work Order No CTL-6, in the
amount of$1,300
Attached are TWO original Work Order Forms (CTL-6). PLEASE RETURN ONESIGNED
ORIGNAL TO PUBLIC WORKS as soon as it is signed.
M:\FrancieWgcnda Wayne Howard.doc
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2008-1831
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