CM-2026-083 - 3/27/2026 STATE OF TEXAS §
COUNTY OF WILLIAMSON §
SUPPLEMENTAL CONTRACT NO. 1
TO CONTRACT FOR ENGINEERING SERVICES
FIRM: HDR ENGINEERING, INC. ("Engineer")
ADDRESS: 710 Hesters Crossing, Suite 150, Round Rock, TX 78681
PROJECT: Meadows Area 2 &4 Water,Wastewater and Storm Drain Improvements
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 HDR Engineering, Inc.,
hereinafter called the "Engineer."
WHEREAS, the City and Engineer executed a Contract for Engineering Services, hereinafter
called the "Contract," on the 24th day of February, 2022 for the Meadows Area 2 & 4 Water,
Wastewater and Storm Drain Improvements Project in the amount of$996,316.12; 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 $68,369.00 to a total of$1,064,685.12;
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
$68,369.00 the lump sum amount payable under the Contract fora total of$1,064,685.1,2 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
0199.202207 84275
C 2O2.J — IA 3 1
HDR ENGINEERING,INC.
Digitally signed by Word,
Justin
/ Date:2026.03.17
By: 08:46:00-05'00'
Printed Name: Justin A. Word
Title: Sr Vice President
Date Signed: 0 3/17/2 0 2 6
Supplemental Contract Rev.06/16
0199.202207 84275
2
CITY OF ROUND ROCK APPROVED AS TO FORM:
By:
`� f' Stephanie L. Sandre,City Attorney
rJ►Printed Name: O(�K..S enne- --
Title: C,1 A4anag er
Date Signed: 3
Supplemental Contract Rev.06/16
0199.202207 84275
3
ADDENDUM TO EXHIBIT B
Engineering Services
Project: Meadows Areas 2&4 Water, Wastewater, & Storm Drain Improvements
SUPPLEMENTAL AMENDMENT 1
2/25/2026
Background
The City of Round Rock(City)desires to improve water,wastewater, and storm drain
infrastructure for the Meadows Areas 2 and 4. The Meadows Drive Area has historically
seen significant flooding due to inadequate drainage infrastructure and complex drainage
patterns through neighborhood properties. Due to the complex nature of the project that
included a significant amount of existing utilities the storm drain system needed to avoid
and limited right-of-way on Wonder Dr., revisions were needed to clarify the design
plans for constructability and respond to TCEQ Sewage Collection System(SCS)
application review comments. Plan refinement included updates to the traffic control
plans, storm drain alignment adjustments, and water and wastewater relocations
adjustments. This Supplemental Amendment 1 is to add funds to the Construction Phase
Services to address the complex nature of the project design.
HDR Engineering, Inc. ("HDR"or"Engineer")will perform the following professional
services.
Task 1 -Project Management
a) Engineer will prepare monthly invoices with a brief project status report during the
construction phase (estimated at 12 months).
b) Engineer will complete project close out once construction is completed.
TASK 1 DELIVERABLES:
1. Submit monthly invoices and progress reports.
2. Project closeout.
Task 8—Construction Phase
Task 8.01 —Construction Phase Services
Engineer will provide construction phase services as outlined in the original contract and
expanding the scope to include the following.
a) Add ten(10) submittal/shop drawings for a total of fifty(50) submittals.
b) Add five(5)RFIs for a total of twenty-five (25) RFIs.
c) Add two (2) change orders for a total of five(5)change orders.
City of Round Rock Page 1 of 2 Exhibit B
d) Attend bi-weekly progress meetings for the first eight(8)months. Add an additional eight
(8)progress meetings.
TASK 8 CONSTRUCTION PHASE:
1. Submittal/Shop Drawing review in PDF.
2. RFI responses in PDF.
3. Change orders in PDF.
4. Attend bi-weekly progress meetings.
City of Round Rock Page 2 of 2 Exhibit B
ADDENDUM TO EXHIBIT C
Work Schedule
Work schedule during Task 8—Construction Phase is dependent upon the contractor work
schedule.
ADDENDUM TO EXHIBIT D
Fee Schedule
Original Contract Original Adjusted Supplemental
Task Amount Amount Amendment 1 Total Amount
Task 1:Project Management $ 77,661.50 $ 93,486.50 $ 11,575.00 $ 105,061.50
Task 2:H&H Model Update $ 219,028.60 $ 230,928.60 $ 230,928.60
Task 3:60%Design $ 184,425.50 $ 223,501.50 $ 223,501.50
Task 4:90%Design $ 134,738.00 $ 180,980.00 $ 180,980.00
Task 5:100%Design $ 41,664.00 $ 87,882.28 $ 87,882.28
Task 6:Utility Relocation Coordination $ 126,680.50 $ 135,058.50 $ 135,058.50
Task 7:Bid Phase Services $ 18,639.02 $ 18,639.02 $ 18,639.02
Task 8:Construction Phase Services $ 63,524.72 $ 25,839.72 $ 56,794.00 $ 82,633.72
Design Contingency $ 129,954.28
TOTAL $ 996,316.12 $ 996,316.12 $ 68,369.00 $ 1,064,685.12
Fee Schedule:EXHIBIT D
Meadows Areas 2&4 Water,Wastewater,&Storm Drain Improvements
SUPPLEMENTAL AMENDMENT 1
PROJECT PROJECT OA/OC SENIOR PROJECT CAOO/GIS PROJECT
PRINCIPAL MANAGER MOANMNIOR[MGNFG ENGINEER II 1101100N1 CONTROLLER COMICASST TOTALS
2023 HOURLY&LUNG RATES $ 285.00 $ 250.00 5 290.00 $ 210.00 $ 180.00 $ 114.00 $ 100.00 $ 100.00 $ 65.00
ITEM I TASK DESCRIPTION
1 TASK 1 PROJECT MANAGEMENT•GENERAL nEMS
la Monthly invoicing(12 months) 15 10 15 40
lb Project closeout 10 5 10 10 35
subtotal hours 0 25 0 0 15 0 0 10 25 75
subtotal $ - $ 6,250.00 $ - $ - $ 2,700.00 $ - $ - $ 1.000A0 $ 1,625.00 $ 11,575.00
8.01 TASK 841-Construction Phase S.Nues
8.01a Review construction submittals(up to 50) 10 5 15 50 55 10 145
8.01b Respond to RFls(up to 25) 10 5 Z5 30 40 5 115
8.01c Develop and Issue change orders(up to S) 5 5 5 5 5 5 30
8.0ld Ell-weekly progress meeting for 8 months(add Bmtgs) 10 10 16 16 Si
subtotal hours 0 35 15 55 101 76 40 0 10 342
subtotal-$ - $ 8,75000 $ 4,350.00 $ 11,53000 $ 18,180.00 $ 8,664.00 $ 4,000.00 $ - $ 1.300.00 $ 56,79400
TOTAL LABOR AND SUBCONSULTANTS $ 611,369.00