CM-07-06-100THE STATE OF TEXAS
COUNTY OF WILLIAMSON
SUPPLEMENTAL CONTRACT NO. 1
TO "AGREEMENT FOR CONSULTING SERVICES FOR
CONSTRUCTION MATERIALS TESTING AND OBSERVATION SERVICES FOR
CR 122 FEDERAL AID PROJECT NO. BR2006, CJS 0914.05.135 WITH
RABA-KISTNER-BRYTEST CONSULTANTS, INC."
FIRM: Raba-Kistner-Brytest Consultants, Inc.
ADDRESS: 8200 Cameron Road, Suite C-154, Austin, Texas 78754
PROJECT: CR 122 Federal Aid Project No. BR2006, CJS 0914.05.135 (Redbud Lane Phase 3)
This Supplemental Contract No. 1 to "Agreement for Consulting Services for Construction Materials
Testing and Observation Services for CR 122 Federal Aid Project No. BR2006, CJS 0914.05.135 with
Raba-Kistner-Brytest Consultants, Inc." is made by and between the City of Round Rock, Texas,
hereinafter called the "City" and Raba-Kistner-Brytest Consultants, Inc., hereinafter called the
"Consultant."
WHEREAS, the City and the Consultant executed the referenced Agreement, hereinafter called the
"Agreement", on the 1st day of December, 2006 for the Project; and
WHEREAS, it has become necessary to amend the Agreement to modify the provisions for the scope of
services and modify the compensation; and
NOW, THEREFORE, premises considered, the City and the Consultant agree that said Agreement is
amended as follows:
I.
Exhibit "A" entitled "Cost Estimate Breakdown" shall be amended by adding the Concrete and Asphalt
items delineated in the attached Addendum to Exhibit "A".
II.
Section 1.1.2.5 shall be amended by increasing by $7,570.00 the lump sum amount payable under the
Agreement, the breakdown for such $7,570.00 increase being shown in the attached Addendum to Exhibit
"A", for a total of $27,570.00.
IN WITNESS WHEREOF, the City and the Consultant have executed this Supplemental Contract No. 1
in duplicate.
RABA-KI ER-BRYTEST CONSULTANTS, INC.
By:
Printed Name: C la rite cYv1.LtO ',Jl�
Title: 1-i ✓✓OL{,ct,i�
Date Signed: 10 l L t 07
00116320/jkg
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CITY OF ROUND ROCK
By: n
Printed JAME6 %7 , /t1USe) R6 I
Title: Cil 1)1
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Date Signed:
By:
Christine R. Martinez, City Secretary
Sheets, City Attorney
2
ADDENDUM TO EXHIBIT "A"
CONCRETE
Field Testing/Observation
Materials Technician
$40.00
hour
68
$ 2,720.00
Concrete Compressive Strength Cylinders
$20.00
each
160
$ 3,200.00
Vehicle Travel Charge
$25.00
trip
34
$ 850.00
Subtotal
$ 6,770.00
ASPHALT
Laboratory Testing
Bag Sample (Extraction, Gradation, A/C content,
$340.00
each
2
$ 640.00
Molding Specimens, Laboratory Density of Molded
Specimens, Stability Test, Hveem, Maximum
Theoretical Specific Gravity)
Density of Asphalt Cores
$80.00
each
8
$ 160.00
Subtotal
$ 800.00
Total
_
$ 7,570.00
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Date:
Subject:
Item:
Department:
Staff person:
June 4, 2007
City Manager Action - June 8, 2007
Action authorizing the City Manager to execute Supplemental
#1 Construction Material Testing Contract with Raba-Kistner-
Brytest Consultants Inc., for the Red Bud Lane Phase III
Bridge.
Justification:
Transportation Services
Thomas G. Martin, P.E., Director of Transportation Services
The scope of work includes the observation and testing to the following construction
materials: Laboratory testing, in place field nuclear density testing, and proof rolling
observation; Concrete compressive strength specimen sampling, testing and
reporting; and, Hot mix asphalt concrete (HMAC) testing.
Funding:
Cost: $7,570.00
Source of funds: 4B - RR Transportation System Development Corporation
Outside resources: Raba-Kistner-Brytest Consultants Inc.
Background information:
Raba-Kistner-Brytest Consultants, Inc., provided similar construction materials
testing services for A.W. Grimes Boulevard Phase I & II Projects. The Construction
Material Testing contract was approved by City Manager on December 1, 2006.
Public comment: NA