Contract - Halff Associates, Inc. - 7/25/2024 STATE OF TEXAS §
COUNTY OF WILLIAMSON §
SUPPLEMENTAL CONTRACT NO. 4
TO CONTRACT FOR ENGINEERING SERVICES
FIRM: HALFF ASSOCIATES,INC. ("Engineer")
ADDRESS: 13620 Briarwick, Suite 100,Austin, TX 78729
PROJECT: Wyoming Springs Segment 1
This Supplemental Contract No. 4 to Contract for Engineering Services is made by and between
the City of Round Rock,Texas,hereinafter called the"City"and Halff Associates, Inc.,hereinafter
called the "Engineer."
WHEREAS, the City and Engineer executed a Contract for Engineering Services, hereinafter
called the "Contract," on the 22nd day of August, 2019 for the Wyoming Springs Segment I
Project in the amount of$546,776.54; and
WHEREAS, the City and Engineer executed Supplemental Contract No. 1 on January 14, 2021
to amend the scope of services and to increase the compensation by $1,641,846.00 to a total of
$2,188,622.54; and
WHEREAS,the City and Engineer executed Supplemental Contract No. 2 on November 12,2021
to amend the scope of services and to increase the compensation by $42,481.75 to a total of
$2,231,104.29; and
WHEREAS, the City and Engineer executed Supplemental Contract No. 3 on October 12, 2023
to amend the scope of services and to increase the compensation by $398,323.31 to a total of
$2,629,427.60; 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 $98,435.42 to a total of$2,727,863.02;
NOW THEREFORE,premises considered, the City and the Engineer agree that said Contract is
amended as follows:
I.
Article 1, City Services and Exhibit A, City Services shall be amended as set forth in the attached
Addendum To Exhibit A.
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II.
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.
III.
Article 4, Compensation and Exhibit D, Fee Schedule shall be amended by increasing by
$98,435.42 the lump sum amount payable under the Contract for a total of$2,727,863.02,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]
Supplemental Contract Rev.06/16
0199.1931;4862-1013-4471 84275
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HALFF ASSOCIATES, INC.
Eric,7,atintah
By; c,��.R—(J.�u.xo a33—
Eric J.Ratzman
06/14/2024
Date
Supplemental Contract Rev.06/16
0199.1931;4862-1013-4471 84275
3
CITY OF ROUND ROCK APPROVED AS TO FORM:
By: U V f �
Craig Morg n,M�/r
Stephanie L. Sandre, City Attorney
1-25-12+
Date
Supplemental Contract Rev.06/16
0199.1931;4862-1013-4471 84275
4
ADDENDUM TO EXHIBIT A
CITY SERVICES
WYOMING SPRINGS SEGMENT 1
CONSULTATION WITH US FISH &WILDLIFE
FROM CREEK BEND BLVD / BRIGHTWATER BLVD TO SAM BASS ROAD
The City will furnish to the Engineer the following information and/or perform the following
tasks:
• Attend meetings and communicate with Engineer if city receives correspondence
from the USFWS or USACE.
• Notify Engineer if karst voids are discovered during construction.
Exhibit A
Wyoming Springs Segment 1 —USFWS Consultation SC#4 Page 1 of 1
ADDENDUM TO EXHIBIT B
ENGINEERING SERVICES
WYOMING SPRINGS SEGMENT 1
CONSULTATION WITH US FISH &WILDLIFE
FROM CREEK BEND BLVD / BRIGHTWATER BLVD TO SAM BASS ROAD
For the scope of services for this contract, the Engineer shall provide professional
services for consultation with the US Fish &Wildlife Service (USFWS) as follows:
Task 13 — Biological Assessment (BA) Revisions in Consultation with USFWS
13.1 Agency Coordination: correspondence, meetings with USACE and USFWS.
13.2 Splitting the BA: As required by the USACE, SWCA shall split the BA from a
single document into two with USACE Action Area and Applicant Action Area.
13.3 Splitting the BA: As required by the USACE, Halff shall provide linework,
calculations, and exhibits needed to split the BA into two documents and
addressed two rounds of comments from USFWS.
Task 14— Presence/Absence Surveys During Construction
14.1 Biota Surveys:
• SWCA will provide field surveys and reports for up to five (5) karst features if
encountered during construction, as described in the attached proposal.
14.2 Nesting Surveys:
• Halff will provide field surveys of migratory bird nest to comply with TPWD.
EXHIBIT B OVERALL SUMMARY OF DELIVERABLES:
• Two Separate Biological Assessments
• Presence/Absence field survey reports
Services Excluded from this Scope of Services:
• Mitigation plans, fees, or documentation beyond the revised Bas
• Individual USACE Permit (the project is currently being permitted under NWP14)
The Engineer will perform the services to be provided under this agreement out of
Engineer's office(s) as listed below:
Office Location
13620 Briarwick Drive, Suite 100
Austin, TX 78729
Sub-Consultants:
SWCA
Exhibit B
Wyoming Springs Segment 1 —USFWS Consultation SC#4 Page 1 of 1
ADDENDUM TO EXHIBIT C
WORK SCHEDULE
WYOMING SPRINGS SEGMENT 1
CONSULTATION WITH US FISH & WILDLIFE
FROM CREEK BEND BLVD / BRIGHTWATER BLVD TO SAM BASS ROAD
Task 13 Consultation: May 2023 through December 2024 (estimated)
Task 14 Construction: September 2024 through December 2025 (estimated)
Exhibit C
Wyoming Springs Segment 1 — USFWS Consultation SC#4
ADDENDUM TO EXHIBIT D
FEE SCHEDULE
WYOMING SPRINGS SEGMENT 1
CONSULTATION WITH US FISH &WILDLIFE
FROM CREEK BEND BLVD / BRIGHTWATER BLVD TO SAM BASS ROAD
Task 13 to be billed on a lump sum basis monthly as a percentage of work
completed to date. Task 14 to be billed on an hourly not-to-exceed basis.
TASK 13 —Agency Coordination $ 27,103.16
TASK 14 — Presence/Absence Surveys $ 71,332.26
TOTAL FEE $ 98,435.42
Exhibit D
Wyoming Springs Segment 1 —USFWS Consultation SC#4
City of Round Rock EXHIBIT D SC#4
Detailed Fee Schedule
Project Sr Revievr Project Graduate Senior Project Junior Task LABOR SUB DIRECT
Wyoming Springs Design Principal Engineer Engineer Engineer Environmental Environmental Environmental Hours COSTS COSTS COSTS TOTAL
(EM Manager Scientist Scientist
HOURLY RATES $290.00 $229.00 $185.00 $135.00 $198.00 $148.00 $98.00
TASK DESCRIPTIONS
TASK 13-BA and FINS consultation
13.1 Agency coordination 2 6 10 $1,764.00 $1,764.00
13.2 Splitting the BA(SWCA) 0 $0.00 $15,009.16 $15,009.16
13.3 Splitting the BA(HaIR) 4 2 4 24 2 24 8 68 $10,330.00 $10,330.00
TASK 13 SUBTOTAL 6 1 2 4 24 2 32 8 1 78 1 $12,094.00 $15,009.16 $0.00 $27,103.16
TASK 14-Prese icelAbsence Surveys In Cosntruction
14.1 Biota Surveys 0 $0.00 $69,752.26 $69,752.26
14.2 Migratory bird nesting surveys. 2 8 10 $1,580.00 $1,580.00
TASK 14 SUBTOTAL 0 0 0 0 2 8 0 10 $1,580.00 :$. $0.00 $71,332.26
TOTAL Estimated Houral 6 1 2 1 4 1 24 4 40 8 88
TOTAL Estimated Fee $ 1,740.00 S 458.00 $ 740.00 $ 3,240.00 S 792.00 $ 5,920.00 $ 794.00 $13,674.00 $84,751.42 $0.00 598,435.42
HOURLY RATES $290.00 $229.00 $185.00 $135.00 $198.00 $148.00 $98.00
Halff Associates,Inc. 6/3/2024