CM-2025-033 - 2/14/2025Supplemental Contract Rev.06/16
0199.1963; 4939-1515-6503 84275
1
STATE OF TEXAS §
§
COUNTY OF WILLIAMSON §
SUPPLEMENTAL CONTRACT NO. 3
TO CONTRACT FOR ENGINEERING SERVICES
FIRM: HDR ENGINEERING, INC. (“Engineer”
ADDRESS: 710 Hesters Crossing, Suite 150, Round Rock, TX 78681
PROJECT: CR 112 from CR 117 to CR 110
This Supplemental Contract No. 3 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 9th day of January, 2020 for the CR 112 from CR 117 to CR 110
Project in the amount of $468,491.63; and
WHEREAS, the City and Engineer executed Supplemental Contract No. 1 on February 10, 2022
to amend the scope of services and to increase the compensation by $641,626.89 to a total of
$1,110,118.52; and
WHEREAS, the City and Engineer executed Supplemental Contract No. 2 on October, 10, 2024
to amend the scope of services and to increase the compensation by $154,324.00 to a total of
$1,264,442.52; 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 $92,697.00 to a total of $1,357.139.52;
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
$92,697.00 the lump sum amount payable under the Contract for a total of $1,357.139.52, as shown
by the attached Addendum to Exhibit D.
CM-2025-033
Supplemental Contract Rev.06/16
0199.1963; 4939-1515-6503 84275
2
IN WITNESS WHEREOF, the City and the Engineer have executed this Supplemental Contract
in duplicate.
HDR ENGINEERING, INC.
By:
Date
Justin A. Word (Feb 10, 2025 12:14 CST)
Justin A. Word
Justin A. Word Sr Vice President
02/10/2025
Supplemental Contract Rev.06/16
0199.1963; 4939-1515-6503 84275
3
CITY OF ROUND ROCK APPROVED AS TO FORM:
By:
Stephanie L. Sandre, City Attorney
Printed Name:
Title:
Date Signed:
Brooks Bennett (Feb 13, 2025 19:41 CST)
Brooks Bennett
City Manager
02/13/2025
City of Round Rock
CR 112 from CR 117 to CR 110
Page 1 of 4 Exhibit B
Supplemental No. 3
ADDENDUM TO EXHIBIT B
ENGINEERING SERVICES
For Roadway Improvements on CR 112 from CR 117 to CR 110
Round Rock, Texas
Project Limits: From 300 feet east of CR 117 to CR 110.
Project Length: 6,825 feet (1.293 Miles)
Project Statement:
The roadway improvements for CR 112 from CR 117 to CR 110 are to widen this 1.293-mile section
from a two-lane rural roadway to six-lane divided arterial roadway and add pedestrian facilities per the
approved schematic developed in the Preliminary Engineering Phase.
The work to be performed by HDR Engineering, Inc. (ENGINEER) for this Supplemental Contract No.
3 shall consist of a Conditional Letter of Map Revision (CLOMR) for FEMA approval for the McNutt
Creek crossing at County Road 112 and revisions to Culvert A-1 to keep the limits of impacts on the
Ordinary High Water Mark (OHWM) under 0.1 acres. The limits of the study will be on the
McNutt Creek from downstream of SCS Dam 16 to the project termination just upstream of Paloma
Lake Blvd (Approximately 3,000 LF).
The detailed scope of services for this work is further described below.
TASK I: PROJECT MANAGEMENT
A.Managing Contracted Services (Project Management)
a.Additional Project Coordination Meetings with CITY: The ENGINEER will coordinate
with the CITY to complete the PS&E for the project. The ENGINEER will prepare for and
attend coordination meetings with the CITY to discuss project progress, planned activities,
key issues or items requiring decision or approval by the City. The ENGINEER shall prepare
meeting minutes for all meetings and will distribute to staff for approval and record keeping.
b.Coordinate with CITY’s consultant for Kenney Fort Boulevard: The ENGINEER will
coordinate with the designer of the Kenney Fort project, currently in the design development
phase. This includes the revisions to Structure A-1 to minimize the impacts to the OHWM
and remain under the 0.1 acres threshold.
c.Quality Assurance / Quality Control: The ENGINEER will provide quality control of
identified documents prior to each defined design submittal (Final) following established
quality assurance processes.
City of Round Rock
CR 112 from CR 117 to CR 110 Page 2 of 4 Exhibit B
Supplemental No. 3
TASK II: ROADWAY DESIGN
The following design changes have been requested by the CITY to minimize the impacts to the OHWM
and remain under the 0.1 acres threshold. Additional grading at the outfall will be required to stay
within the 0.1 acres threshold.
A. Detail Grading: Detail grading shall be revised to reflect the latest Culvert A-1 design on Kenney
Fort Blvd and CR 112.
B. Plans Production Revision: The ENGINEER shall revise the PS&E plans as necessary to reflect
the latest Culvert A-1 design.
C. Update Quantity Summary Sheets: Update summary sheets showing item description, item unit,
and item quantity for roadway bid items.
TASK III: DRAINAGE DESIGN
A. Conditional Letter of Map Revision (CLOMR) for McNutt Creek:
· Update hydrologic model to meet FEMA standards for existing conditions 10%, 4%,
2%, 1%, 0.2% and ultimate conditions 1% annual exceedance events and provide
peak flow data for the Duplicate Effective conditions.
· Update hydraulic model to meet FEMA standards for the 10%, 4%, 2%, 1%, and
0.2% annual exceedance events under existing development conditions and provide
peak flow data for the following conditions:
· Duplicate Effective
· Corrected Effective
· Proposed Conditions
· Perform a FEMA floodway encroachment analysis
· Prepare revised floodplain mapping to meet FEMA standards within study limits
using the best available LiDAR topography supplemented with field survey and
design to reflect hydraulic modeling revisions. Revisions will include:
o 1% annual chance Existing Conditions floodplain boundaries
o Update 1% annual chance floodway boundaries
o Base Flood Elevations (BFE’s) and lettered cross sections
o Streamlines, cross section layout
· Prepare certified topographic work map and annotated FIRM exhibits in
conformance with FEMA mapping standards to depict mapping changes. Geospatial
documentation will be included in the CLOMR package.
· Update 100% drainage report for CLOMR submittal.
City of Round Rock
CR 112 from CR 117 to CR 110 Page 3 of 4 Exhibit B
Supplemental No. 3
· Prepare FEMA MT-2 Forms and additional explanations as required. Endangered
Species Act (ESA) documentation as required in FEMA MT-2 Form 2 will be
completed by CoSA and provided to HDR to include with CLOMR Package.
· Provide example public notice letter, list of impacted properties, and key map. CoRR
will be responsible for publishing required notifications.
· Prepare CLOMR package for CoRR review and Floodplain Administrator approval.
Development of FIS Profiles for final mapping are not included in this scope of
work.
· Submit CLOMR package to FEMA within 10 working days of receiving the CoRR
Floodplain Administrator’s approval. Fee for FEMA’s CLOMR Technical Review
fee is not included in this scope of work.
· Provide Community Notification Letter to CoRR for review/approval and submittal
to FEMA.
B. Revision to Culvert A-1 under CR 112 and Kenney Fort Blvd:
The Structure A1 alignment will be redesigned and shortened to mitigate environmental permitting
requirements for the CR 112 roadway project. In addition to plan sheet updates, hydraulic models
will be updated to match the revised Structure A1 alignment
Plans:
· Update Structure A1 Plan and Profile Sheet with revised alignment and hydraulic
results
· Update storm drain tie in elevations to Structure A1
· Update Structure A1 hydraulic calculation data sheets
· Update proposed grading at upstream and downstream headwalls.
Hydraulic Model:
· Update proposed Structure A1 HEC-RAS model with revised alignment
Drainage Report:
· Update reported water surface elevation (WSE) in report text
· Update reported WSE in Appendix C
· Update Appendix A Exhibits with revised model information
TASK IV: ROW SURVEY
A. Right-Of-Entry (ROE) Coordination: The ENGINEER shall attempt to obtain ROE for up to
five (5) potentially impacted properties for the purpose of completing the surveying, upon
approval from the City of Round Rock. Prepare and mail the ROE letters per the City’s standard.
The Surveyor anticipates that the City will facilitate the resolution of any refusals to grant ROE
and/or communications with landowners who are hostile with respect to the completion of this
City of Round Rock
CR 112 from CR 117 to CR 110 Page 4 of 4 Exhibit B
Supplemental No. 3
scope of services. The Surveyor will document any interactions with landowners while
performing the work.
B. Boundary Survey:
a. The ENGINEER will perform sufficient research of the affected properties to reconstruct the
existing boundary lines from record information.
b. The ENGINEER will perform sufficient survey field boundary surveying for the project site
to locate the record boundaries developed in item 1 on the ground.
c. The ENGINEER will perform sufficient boundary analysis of the gathered field work to
depict the reconstructed boundaries.
d. Deliverables will include a Microstation 2D file showing the right-of-way and adjoiner
boundary lines.
C. Parcel Survey:
a. The ENGINEER shall set/recover verify existing horizontal. The values will be relative to
NAD 83 Texas State Plane Coordinates, Central Zone (scaled to surface values).
b. The ENGINEER will perform sufficient field and office tasks to generate metes and bounds
description with survey plat for up to five (5) acquisition parcels on the described tracts.
c. The ENGINEER will find or set property corners monumenting the boundary of the parcel
accordance with the rules and regulations of the Texas Board of Professional Engineers and
Land Surveyors.
d. The ENGINEER will review title commitments provided by Client for each parcel, if the title
commitments is provided prior to the signing/sealing of the easement.
e. Review of a title commitment after the signing/sealing of the easement will be considered a
revision and an additional service to this proposal
f. Deliverables will be one (1) metes and bounds description and one (1) sketch per parcel, both
signed and sealed by a Registered Professional Land Surveor prepared in accordance with the
rules and regulations of the Texas Board of Professional Engineers and Land Surveyors in
PDF format.
1504 Chisholm Trail Road, Suite 103
Round Rock, TX 78681
512-238-1200
TBPELS Firm Reg. No. 10059100
Inland Proposal
October 9, 2024
Felipe Tudtud, P.E.
Round Rock Roadway Section Manager
HDR
710 Hesters Crossing, Suite 150
Round Rock, TX 78681-7838
felipe.tudtud@hdrinc.com
D 512-685-2959 M 512-633-6528
RE: CR 112 East Boundary & Acquisition Parcels
Mr. Tudtud:
Inland Geodetics is pleased to present our proposal to perform Professional Surveying Services for a Boundary
and Parcel survey at CR 112 east of CR 117. The specific scope of work is developed from email instructions dated
September 12th & 23rd, October 1st & 7th, 2024.
SCOPE OF SERVICES
Project Site
Address of Subject Property: CR 112 east of CR 117, Round Rock, TX
Appraisal District ID number: R549083, R549085, R549087, R109645, R381655
Right-of-Entry (ROE) Coordination
Inland shall attempt to obtain ROE for up to five (5) potentially impacted properties for the purpose of completing
the surveying, upon approval from the City of Round Rock. Prepare and mail the ROE letters per the City’s
standard. The Surveyor anticipates that the City will facilitate the resolution of any refusals to grant ROE and/or
communications with landowners who are hostile with respect to the completion of this scope of services. The
Surveyor will document any interactions with landowners while performing the work.
October 9, 2024 Page 2 of 3
Inland Geodetics
TBPELS Firm No. 10059100
Boundary Survey
1. Inland will perform sufficient research of the affected properties to reconstruct the existing boundary
lines from record information.
2. Inland will perform sufficient survey field boundary surveying for the project site to locate the record
boundaries developed in item 1 on the ground.
3. Inland will perform sufficient boundary analysis of the gathered field work to depict the reconstructed
boundaries.
4. Deliverables will include a Microstation 2D file showing the right-of-way and adjoiner boundary lines.
Parcel Survey
1. Inland shall set/recover and verify existing horizontal. The values will be relative to NAD 83 Texas State
Plane Coordinates, Central Zone 4203 (scaled to surface values).
2. Inland will perform sufficient field and office tasks to generate metes and bounds description with survey
plat for up to five (5) acquisition parcels on the described tracts.
3. Inland will find or set property corners monumenting the boundary of the parcel accordance with the
rules and regulations of the Texas Board of Professional Engineers and Land Surveyors.
4. Inland will review title commitments provided by Client for each parcel, if the title commitment is provided
prior to the signing/sealing of the easement.
5. Review of a title commitment after the signing/sealing of the easement will be considered a revision and
an additional service to this proposal.
6. Deliverables will be one (1) metes and bounds description and one (1) sketch per parcel, both signed and
sealed by a Registered Professional Land Surveyor prepared in accordance with the rules and regulations
of the Texas Board of Professional Engineers and Land Surveyors in PDF format.
October 9, 2024 Page 3 of 3
Inland Geodetics
TBPELS Firm No. 10059100
The lump sum fees for the above services to be:
ROE coordination – five (5) parcels w/three (3) owners: $ 2,145.00 (plus applicable tax)
Boundary Survey: $ 8,870.00 (plus applicable tax)
Parcel Survey – five (5) Parcels ($5,460 per parcel): $27,300.00 (plus applicable tax)
TOTAL: $38,315.00 (plus applicable tax)
Inland will discuss scheduling upon receipt of notice to proceed.
The estimated fee proposed above are based on personnel time required to perform the described Scope of
Services. Additional time requirements resulting from project scope changes, site/route changes, plan revisions,
field recovery of or discrepancies of control provided will be considered reasonable cause for us to seek additional
compensation for services not included in these amounts.
INLAND GEODETICS Client:
Miguel A. Escobar, LSLS, RPLS Signature: Date:
Chief Surveyor Printed Name:
1504 Chisholm Trail Road, Suite 103 Title:
Round Rock, Texas 78681 Company Name :
512-238-1200
P:\Proposals\HDR (HDR)\HDR-CR 112 East Boundary & Acquisition Parcels\Inland Proposal - CR 112 East Boundary & Acquisition Parcels REV - 2024-10-09.docx
ADDENDUM TO EXHIBIT C
Work Schedule
Attached Behind This Page
ADDENDUM TO EXHIBIT C
Work Schedule
Attached Behind This Page
ID Task Name Duration Start Finish1Design Phase129 daysThu 12/26/24Fri 6/27/252Project Management105 daysMon 2/3/25Fri 6/27/253Execute SWA #30 daysMon 2/3/25Mon 2/3/254Project Management105 daysMon 2/3/25Fri 6/27/255Revise Plan Sheets and CLOMR120 daysThu 12/26/24Mon 6/16/256Revise Sheets - PS&E9 daysThu 12/26/24Fri 1/10/257Submit Revised Sheets9 daysThu 12/26/24Fri 1/10/258Drainage Report and CLOMR111 daysMon 1/13/25Mon 6/16/259Submit Final Drainage Report9 daysMon 1/13/25Thu 1/23/2510CLOMR Development9 daysMon 1/13/25Thu 1/23/2511Submit CLOMR to City1 dayFri 1/24/25Fri 1/24/2512City Review and Approval of CLOMR24 daysMon 1/27/25Thu 2/27/2513FEMA CLOMR Review42 daysFri 2/28/25Mon 4/28/2514Address CLOMR Comments10 daysTue 4/29/25Mon 5/12/2515Resubmit CLOMR1 dayTue 5/13/25Tue 5/13/2516CLOMR Review24 daysWed 5/14/25Mon 6/16/2517CLOMR Acceptance0 daysMon 6/16/25Mon 6/16/252/36/16JMMJSNJMMJHalf 1, 2024Half 2, 2024Half 1, 2025Half 2, 2025Project: CR 112 from CR 117 to CR 110Prime Firm Provider: HDR Engineering, Inc.Exhibit C - Work SchedulePage 1
ADDENDUM TO EXHIBIT D
Fee Schedule
Attached Behind This Page
ADDENDUM TO EXHIBIT D
Fee Schedule
Attached Behind This Page
Hours for the ClassificationsProjectSr. ProjectSeniorProjectDesignEngineerSr. DesignSr StructuralStructuralCADDAdmin /TOTALTotal AmountPrincipalManagerEngineerEngineerEngineerin TrainingTechnicianEngineerEngineerTechnicianClericalHOURSTask IProject Management$6,084.00Additional Project Coordination Meetings with CITY22$518.00Coordinate with CITY’s consultant for Kenney Fort Blvd2248$1,608.00Quality Assurance / Quality Control21618$3,958.00SUBTOTAL PROJECT MANAGEMENT061840000000TASK IIRoadway Design$6,956.00Detail Grading12811$1,649.00Plans Production Revision248822$3,658.00Update Quantity Summary Sheets12811$1,649.00SUBTOTAL ROADWAY DESIGN048800240000TASK IIIDrainage Design$41,342.00Conditional Letter of Map Revision (McNutt Creek)Effective Hydrology Model Collection/Review4812$1,972.00Develop HEC-RAS Model updates (Duplicate, Rev. Existing, and Proposed)4 8 12 $1,972.00Revised Floodplain Mapping (Floodplain, BFE, Stream, Cross Section)4 8 12 $1,972.00Certified Topographic Workmap4812$1,972.00Annotated FIRM Maps4812$1,972.00Prepare geodatabase145$771.00Prepare Floodplain Submittal (Report, Exhibits, Supporting Data) 2 4 4 8 18 $3,150.00Develop MT-2 Forms4812$1,972.00Develop Public Notice Letter1124$752.00Prepare CoRR Deliverable (Digital Data)268$1,264.00Address CoRR Comments and Submit Final4812$1,972.00Prepare FEMA Deliverable (Digital Data)145$771.00Address FEMA Comments and Submit Final2810$1,542.00Prepare Community Notification Letter1124$752.00Revision to Culvert A-1 under CR 112 and Kenney Fort BlvdPlans Update248161646$6,842.00Hydraulic Model Update882440$6,376.00Drainage Report Update2881634$5,318.00SUBTOTAL DRAINAGE DESIGN08602813016160000HDR HOURS - TOTAL FOR SUPPLEMENTAL #3018864013016400000330RATE$259.00$215.00$165.00$139.00$110.00$120.00$272.00$208.00$97.00$62.00TOTAL HDR LABOR$4,662.00$18,490.00$6,600.00$18,070.00$1,760.00$4,800.00$0.00$0.00$0.00$0.00$54,382.00SUBCONSULTANT: INLAND GEODETICS LAND SURVEYORS$38,315.00GRAND TOTAL$92,697.00Exhibit D-3Project: CR 112 from CR 117 to CR 110 SUPPLEMENTAL NO. 3Fee Schedule - Lump SumFirm Provider: HDR Engineering, Inc.Page 1 of 2
HDR Total HDR TotalTask Labor Hours Loaded Labor CostInland Geodetics(Subconsultant)Task I Project Management28 $6,084.00 $0.00$6,084.00TASK II Roadway Design44 $6,956.00 $0.00$6,956.00TASK III Drainage Design258 $41,342.00 $0.00$41,342.00TASK IV ROW Survey0 $0.00 $38,315.00$38,315.00Direct Expenses$0.00GRAND TOTAL: 330 $54,382.00 $38,315.00$92,697.00TOTALSExhibit D-3Project: CR 112 from CR 117 to CR 110 SUPPLEMENTAL NO. 3Fee Schedule - Lump SumFirm Provider: HDR Engineering, Inc.Page 2 of 2