CM-2024-211 - 8/16/2024STATE OF TEXAS §
COUNTY OF WILLIAMSON §
SUPPLEMENTAL CONTRACT NO. 1
TO CONTRACT FOR ENGINEERING SERVICES
FIRM: JOHNSON, MIRMIRAN & THOMPSON, INC. ("Engineer")
ADDRESS: 801 E. Old Settlers Boulevard, Round Rock, TX 78664
PROJECT: Gattis School Road Segments 4 & 5
This Supplemental Contract No. 1 to Contract for Engineering Services is made by and between
the City of Round Rock, Texas, hereinafter called the "City" and Johnson, Mirmiran & Thompson,
Inc., hereinafter called the "Engineer."
WHEREAS, the City and Engineer executed a Contract for Engineering Services, hereinafter
called the "Contract," on the 16th day of November, 2023 for the Gattis School Road Segments 4
& 5 Project in the amount of $1,423,165.00; and
WHEREAS, it has become necessary to amend the Contract to modify the provisions for the scope
of services and to increase the compensation by $42,121.00 to a total of $1,465,286.00;
NOW THEREFORE, premises considered, the City and the Engineer agree that said Contract is
amended as follows:
I.
Article 2, Engineering Services and Exhibit B Engineering Services shall be amended as set forth
in the attached Addendum to Exhibit B. Exhibit C. Work Schedule shall be amended as set forth
in the attached Addendum to Exhibit C.
II.
Article 4, Compensation and Exhibit D, Fee Schedule shall be amended by increasing by
$42,121.00 the lump sum amount payable under the Contract for a total of $1,465,286.00, as shown
by the attached Addendum to Exhibit D.
IN WITNESS WHEREOF, the City and the Engineer have executed this Supplemental Contract
in duplicate.
[signature pages follow]
61k/' �X- *— 3-0
Supplemental Contract
0199.202331;4874-6461-3845
Rev.Q6/16
84275
JOHNSON, MIRMIRAN & THOMPSON, INC.
By. KNai Flbat"S.M 4 71
Knsti Flagg
08/09/2024
Date
Supplemental Contract Rev.06l16
0199.20233 1; 4874-6461-3845 84275
CITY OF ROUND ROCK
By:
Atu, a //Z�ky
Laurie Hadley, City Manager
Date
APPROVED AS TO FORM:
Stephanie L. Sandre, City Attorney
Supplemmul Contract
0199.202331;4874-6461-3845
Rsv.06/16
94275
ADDENDUM TO EXHIBIT B
ENGINEERING
SERVICES
Project Back ound
The City of Round Rock (the "City") proposes widening Gattis School Road from the existing 4-
lane section to a Major Arterial Divided (MAD) 6 typical section from Double Creek Drive to Via
Sonoma Trail (the "Project") utilizing the services of Johnson, Mirmiran & Thompson, Inc., (the
"Engineer") as the prime consultant. The reconstruction limits were calculated between MAD 6
sections constructed in adjacent projects (Gattis School Road Segments 3 & 6 and Kenney Fort
Blvd Segments 2 & 3) and measured approximately 0.86 miles (0.59 miles from Double Creek
Drive to Kenney Fort Blvd & 0.27 miles from Kenney Fort Blvd to Via Sonoma Trail). The scope
of services includes topographic and right-of-way surveys; SUE investigations; geotechnical
investigations; environmental clearance documents; preliminary design; preparation of design
schematics and public involvement exhibits; and plans, specifications, and estimates (PS&E).
The Engineer shall maintain a direct line of communication and coordinate closely with the City's
designated representative, local municipal agencies, and utility companies throughout the project.
The Engineer shall complete the services to be provided by the Engineer according to the milestone
work schedule established in the work authorization. The Engineer shall submit a written progress
report to the City monthly indicating the actual work completed during the month, scheduled work
to be performed for that month, and the estimated work to be completed for the coming month.
GENERAL REQUIREMENTS
TASK DESCRIPTIONS AND FUNCTION CODES
FC 130 — Right -of -Way Data / Utilities.
B. Boundary Surveying and Parcel Preparation. The Engineer shall perform the following:
2. Perform sufficient deed research and boundary analysis to prepare a schematic of the parcels
to be acquired (2 additional ROW parcels and 1 Drainage Easement). This task will include
procuring a limited Title Abstract to be used for preliminary submittals and updated with title
commitment for title review
3. Prepare ROW parcels for acquisition and dedication to the City of Round Rock.
Deliverables will consist of a metes and bounds description and accompanying survey plan for
each parcel (2 additional ROW parcels and 1 Drainage Easement)
Page 2 of 2 Addendum to Exhibit B
4. Establish appropriate monuments on the proposed right-of-way lines for the 3 additional
parcels at intersecting property lines, PCs, PTs, angle points, and intersecting right-of-way
lines of side streets. 5/8" iron rods with aluminum caps will be set to monument the 3 new
additional parcels
FC 145 — Project Management and Administration
C. Meet on a schedule basis with the City to review project progress (1 additional)
D. Meet on a schedule basis with Design team to coordinate Project progress (1 additional)
FC 163 — Miscellaneous
C. Water and Reclaimed Line Relocation
1. Meetings - The Engineer will attend a maximum of 2 additional meetings with the City to
coordinate, discuss status of Re -Use line and address review comments.
2. Route/Size Coordination The Engineer will meet with City staff to determine the desired
location and coordinate the addition of reclaimed water line diameter for the proposed
facilities. Engineer will run a high-level route analysis to verify potential conflicts with the
ongoing JMT design
3. Existing Service Connection The Engineer will work with the City to obtain site plans
for existing tracts along the alignments to determine the quantity and locations of the
additional existing reclaimed water connections. It is assumed the Engineer will make a
formal request for existing site plans and the City will research and provide the requested
plans.
4. Construction Drawings The Engineer will prepare additional Re -Use waterline plan and
profile sheets (4 sheets assumed). Additionally, utility detail sheets will be prepared as
needed (2 sheets assumed).
6. Hydraulic Modeling -- Engineer will not complete a hydraulic model.
Page 2 of 2 Addendum to Exhibit B
ADDENDUM TO EXHIBIT C
Work Schedule
Attached Behind This Page
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Fee Schedule
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