CM-2026-220 - 8/28/2026 STATE OF TEXAS §
COUNTY OF WILLIAMSON §
SUPPLEMENTAL CONTRACT NO. 4
TO CONTRACT FOR ENGINEERING SERVICES
FIRM: KIMLEY-HORN AND ASSOCIATES ("Engineer")
ADDRESS: 10814 Jollyville Road,Building 4, Suite 200, Austin, TX 78759
PROJECT: Harrell Parkway Reconstruction
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 Kimley-Horn and Associates,
hereinafter called the"Engineer."
WHEREAS, the City and Engineer executed a Contract for Engineering Services, hereinafter
called the "Contract," on the 22nd day of June, 2023 for the Harrell Parkway Reconstruction
Project in the amount of$654,760.00; and
WHEREAS,the City and Engineer executed Supplemental Contract No. 1 on September 14,2023
to amend the scope of services and to increase the compensation by $101,343.57 to a total of
$756,103.57; and
WHEREAS,the City and Engineer executed Supplemental Contract No. 2 on February 22, 2024
to amend the scope of services and to increase the compensation by $1,803,722.40 to a total of
$2,559,825.97; and
WHEREAS, the City and Engineer executed Supplemental Contract No. 3 on October 11, 2024
to amend the scope of services and to increase the compensation by $93,201.30 to a total of
$2,653,027.27; 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 $88,800.00 to a total of$2,741,827.27;
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.
Supplemental Contract Rev.06/16
0199.202321 84275
1
M -2OZ2O
II.
Article 4, Compensation and Exhibit D, Fee Schedule shall be amended by increasing by
$88,800.00 the lump sum amount payable under the Contract for a total of$2,741,827.27,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
0199.202321 84275
2
KIMLEY-HORN AND ASSOCIATES
By:
Printed Name: Sam Lundquist, PE
Title: Vice President
Date Signed: 8/24/26
Supplemental Contract Rev.06/16
0199.202321 84275
3
CITY OF ROj1V RO K APPROVED AS TO FORM:
By:
cc (� ,,� S ephanie L. Sandre,City Attorney
Printed Name: B kJ 6e �nt*
Title: C,1111
Date Signed: 4 ( 20 1 2C2
Supplemental Contract Rev.06/16
0199.202321 84275
4
ADDENDUM TO EXHIBIT B
Engineering Services
City: Round Rock, Texas
Location(s) Old Settlers Park
Project: Harrell Parkway Improvements Supplemental Agreement No. 4
PROJECT UNDERSTANDING
Kimley-Horn (the "Engineer") will provide professional services for additional construction phase
services as needed to assist the City during completion of construction.
SCOPE OF SERVICES FOR SPECIFIED RATE TASKS
Kimley-Horn will provide the services specifically set forth below and will provide credit back to city
in the amount of$10,920.00 for unused Quality Level A SUE.
Task 10—Construction Phase Services
The Engineer will perform the following tasks:
a) Attend bi-monthly construction status meetings(virtual)as requested by the city,up to fifty
(50)with the City and the Contractor estimated at one(1)hour each.
b) Respond to up to twenty-eight(28)Request for Information(RFI)requests from the
Contractor.Any orders authorizing variations from the Contract Documents will be made by
Client.
c) Develop and issue up to seventy-two(72)revised sheets due to City requested changes or
unforeseen issues that may arise in the field.
d) Review and make recommendations related to up to twenty-three(23)Change Orders
submitted or proposed by the Contractor.
e) Review and approve or take other appropriate action in respect to up to one hundred twenty-
three(123)Shop Drawings which Contractor is required to submit,but only for conformance
with the information given in the Contract Documents. Such review and approvals or other
action will not extend to means,methods,techniques,equipment choice and usage,schedules,
or procedures of construction or to related safety programs.
f) Develop Final Notice of Acceptability of the Work.the Engineer will conduct three(3)final
site visits estimated at five(5)hours each to evaluate whether the completed Work of
Contractor is generally in accordance with the Contract Documents and the final punch list so
that the Engineer may recommend final payment to Contractor.This work is included as
additional work to be performed for phases A.2 and A.3.
1
ADDENDUM TO EXHIBIT C
Work Schedule
Attached Behind This Page
Exhibit C
Harrell Parkway Prelim/Final Engineering
Project Development Schedule
ID Task Name Duration Start Finish
Novi Dec Jan IFeblMarl ApriMavl Jun I Jul IAuaISeol Oct'Novi Dec Jan IFeblMarl ApriMaviJun I Jul IAualSeol Oct INovi Decl Jan IFeblMarl Apr IMavl Jun i Jul lAuaiSepl Oct!Novi Dec'Jan IFebiMarlP
1 Notice to Proceed 1 day Wed 1/17/24 Wed 1/17/24 VI, I
2 Additional Survey 35 days Wed 1/17/24 Tue 3/5/24
3 60%Design Package A.1 60 days Wed 1/17/24 Tue 4/9/24
4 City Review 60%Plans Package A.1 10 days Wed 4/10/24 Tue 4/23/24 4/23
5 100%Design Package A.1 25 days Wed 4/24/24 Tue 5/28/24
6 City Review 100%Plans Package A.1 10 days Wed 5/29/24 Tue 6/11/24 It-
7 Final Plan Revisions Package A.1 10 days Wed 6/12/24 Tue 6/25/24 -
8 Construction Contracting A.1 30 days Wed 6/26/24 Tue 8/6/24
9 Begin Construction Package A.1 383 days Wed 8/7/24 Fri 1/23/26Li....v
10 60%Design Plans Package A.2 50 days Wed 4/10/24 Tue 6/18/24 —1
11 City Review 60%Plans Package A.2 10 days Fri 7/19/24 Thu 8/1/24 �E
ilini
12 100%Design Package A.2 31 days Fri 8/2/24 Fri 9/13/24
13 City Review 100%Plans Package A.2 10 days Mon 9/16/24 Fri 9/27/24 I
14 Final Plan Revisions Package A.2 10 days Mon 9/30/24 Fri 10/11/24 I
15 Construction Contracting A.2 30 days Mon 10/14/24 Fri 11/22/24 Um
16 Begin Construction Package A.2 440 days Mon 11/25/24 Fri 7/31/26 , T
17 60%Design Plans Package A.3 29 days Wed 7/10/24 Mon 8/19/24 '-,
18 City Review 60%Plans Package A.3 30 days Tue 8/20/24 Mon 9/30/24
19 100%Design Package A.3 60 days Mon 3/3/25 Fri 5/23/25
20 City Review 100%Plans Package A.3 60 days Mon 5/26/25 Fri 8/15/25 tommion,
21 Final Plan Revisions Package A.3 50 days Mon 8/18/25 Fri 10/24/25 Vi
22 Construction Contracting A.3 50 days Mon 10/27/25 Fri 1/2/26 V
23 Begin Construction A.3 236 days Mon 1/5/26 Mon 11/30/26 N. mommiiii
24 Begin Final Paving 24 days Tue 12/1/26 Fri 1/1/27 ill
25 Final Walkthrough 2 days Tue 1/5/27 Wed 1/6/27 T
26 City/FEMA Review Drainage 90 days Thu 11/16/23 Wed 3/20/24 NI -)
Report/CLOMR
27 Finalize Drainage Report/CLOMR 20 days Thu 3/21/24 Wed 4/17/24 tmi
28 LOMR 30 days Thu 1/7/27 Wed 2/17/27 it
29
30
31
32
33
Task lilInMIIIIIIII Project Summary C'-"---1 Manual Task MIIMIIIIIMIl Start-only C Deadline i
Project:Harrell Pkwy Split ,,,,,,,,,,,,,,,,,,,,,,,,, Inactive Task Duration-only Finish-only ] Progress
Date:Thu 8/6/26 Milestone ♦ Inactive Milestone Manual Summary Rollup External Tasks Manual Progress
Summary ^ Inactive Summary Manual Summary I I External Milestone
Page 1
ADDENDUM TO EXHIBIT D
Fee Schedule
Attached Behind This Page
Exhibit D-Fee Schedule
Project Name: Harrell Parkway Improvements Final Design
Prepared By: Kimley-Horn and Associates,Inc.
Direct Labor(Penn-Houn)
Task0 Senior Senior Prof Analyst Project Adni Sub Mire.
Subtask Task Name Assumptions/ Prof Prof IV CootroUer Labor Consonants Direct
Number Subtask Name/Descnption Notes IIt Total Expense
S300.00 280.00 190.00 170.00 95.00 $95.00 (hours) (S) (S)
10 Construction Phase Services
Ongirel contract=26
Attend up to fifty(50)construction status meetings(bi-weekly) 26 hit in 11/25
a Supp=24 now a 1.5 Ins24 24
Ongirul contract=15
Respond to up to twenty-eight(28)Requests for Information(RFD KH has reviewed 24
b Supp=13 ra 3.51trs 2 8 24 tU 44
Original contract=12 -
Develop and issue up to seventy-nrn(72)revised sheets to City KH has revised 72
Supp=60 t 3 las
c Revised sheets included 20 60 100 180
Ougirel contract=3
Review and recommend on up to twenty-three(23)change orders KH has reviewed 18
d Supp=20(d 2 Ns 40 40
Original contract=15
Review and approve up to one hurdled twenty41aree(123)slop drawings KH has reviewed 123
e Supp=108(d).2 les 6 24 60 120 210
f Substantial Completion Site visit(3 total visits)
3 Senor Prof
A.2 Substantial Cortpklion(I vial fa 5 hoots) 1 Prof
Hours include punch list 6 5 11
1 Senor Prof
A.3 Substantial Completion(I visit(a 5 tours) 1 Prof
Hoots include punch list 2 5 7
1
Task Total(Boon) 8 60 218 230 0 0 516
Task Total(Dollars) $2,400 $16,800 S41 420 S39,100 S0 $0 S99,720 so w
—
KIMLEY-HORN TOTAL(Boors) 8 60 218 230 0 0 516
KIMLEY-HORN TOTAL(Dollars) S2,400 $16,800 $41,420 $39,100 SO S0 S99,720
SPECIFIED RATE GRAND TOTAL $99,720
10 Construction Phase Services S99,720.00
Less Original Contract Deductions(Leval A SUE Credit Back To City) 410i920.00
PROJECT TOTAL $00,800,00
Exhibit D 7r22/2026 Paps 1 of t