Contract - American Structurepoint, INC. - 2/12/2026 Docusign Envelope ID:E3E68EF3-7BB5-4E18-9C6D-2465CEA232C9
STATE OF TEXAS §
COUNTY OF WILLIAMSON §
SUPPLEMENTAL CONTRACT NO. 2
TO CONTRACT FOR ENGINEERING SERVICES
FIRM: AMERICAN STRUCTUREPOINT,INC. ("Engineer")
ADDRESS: 9025 River Road, Suite 200,Indianapolis,IN 46240
PROJECT: Sam Bass at Hairy Man Road Intersection Improvements
This Supplemental Contract No. 2 to Contract for Engineering Services is made by and between
the City of Round Rock, Texas, hereinafter called the "City" and American Structurepoint, Inc.,
hereinafter called the"Engineer."
WHEREAS, the City and Engineer executed a Contract for Engineering Services, hereinafter
called the "Contract," on the 25th day of April, 2024 for the Sam Bass at Hairy Man Road
Intersection Improvements Project in the amount of$585,398.44; and
WHEREAS,the City and Engineer executed Supplemental Contract No. 1 on October 11, 2024
to amend the scope of services and to increase the compensation by $18,549.00 to a total of
$603,947.44;
WHEREAS,it has become necessary to amend the Contract to modify the provisions for the scope
of services and to increase the compensation by$198,728.00 to a total of$802,675.44;
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.
it.
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
0199.202416 84275
I
V- Z07 �� �
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111.
Article 4, Compensation and Exhibit D, Fee Schedule shall be amended by increasing by
$198,728.00 the lump sum amount payable under the Contract for a total of$802,675.44,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
0199.202416 84275
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Docusign Envelope ID: E3E68EF3-7BB5-4E18-9C6D-2465CEA232C9
AMERICAN STRUCTUREPOINT,INC.
By: kSigned by:
ft ka 1. NLil l c Y
Printed Name: Steven J. Miller
Title: Senior Vice President
Date Signed: 1/6/2026
Supplemental Contract Rev.06/16
0199.202416 84275
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Docusign Envelope ID: E3E68EF3-7665-4E18-9C6D-2465CEA232C9
CITY OF ROUND ROCK APPROVED AS TO FORM:
By:
Craig M lrgan, ayor Stephanie L. Sandre, City Attorney
/iz L2c)
Date
Supplemental Contract Rev.06/16
0199.202416 84275
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Docusign Envelope ID:E3E68EF3-7BB5-4E18-9C6D-2465CEA232C9
ADDENDUM TO EXHIBIT A
City Services
SAM BASS AT HAIRY MAN INTERSECTION IMPROVEMENTS - SCHEMATIC AND
PS&E
Project Limits: Approximately 450' west,400' east, 350' south and 300' north of intersection.
Project Length: 1,200' (0.23 Miles)
In general,the City of Round Rock and its representatives to their best efforts will render services
as follows:
1. Schedule,coordinate,and conduct public involvement meetings.
2. Provide available criteria and full information as to the client's requirements for the project.
3. Furnish available horizontal control points and established City of Round Rock
monumentation.
4. Furnish available existing plans and/or design information for the project and interface data
for any adjacent projects.
5. Assist the Engineer by placing at their disposal all available written data pertinent to
previous operations, reports and any other data (including hydraulic studies and models)
affecting the project.
6. Provide available existing traffic counts and design year projects (to be used for
geotechnical and geometric design purposes).
7. Furnish available right-of-way maps.
8. Provide available and all applicable special specifications, special provisions and updated
list of bid items applicable to the project.
9. Examine documents submitted by the Engineer and render decisions pertaining thereto,
promptly,to avoid unreasonable delay in the progress of Engineer's services.
10. Respond promptly in writing to requests by the Engineer for authorization to proceed with
specific activities deemed desirable.
11.Negotiate with all utility companies for any agreements and/or relocations required.
12. Pay all reviewing agency fees promptly including review, inspection and recording fees.
13. Acquire any off-site ROW and easement required for the project.
Page 1 of 1 Exhibit A
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ADDENDUM TO EXHIBIT B
Engineering Services
SAM BASS AT HAIRY MAN INTERSECTION IMPROVEMENTS—SCHEMATIC AND PS&E
Modifications:
The Engineer will perform the following items listed below,as described:
TASK 1 PROJECT MANAGEMENT AND ADMINISTRATION
The engineer shall:
• Submit monthly status reports and invoicing for additional six(6) months.
• Attend three(3)coordination meetings with the City to discuss detention requirements and
alternatives.
• Prepare,distribute,and file both written and electronic correspondence.Prepare and distribute
meeting notes.
• Conduct internal coordination meetings(bi-weekly)to advance the development of the project
for additional six months.
Maintain project schedule updates for an additional six months
• QA/QC detention deliverables
TASK 4 PUBLIC INVOLVEMENT
Conduct additional stakeholder meeting with additional affected stakeholder at east end of project limits
and attend meeting with affected stakeholder(Gill/Gill/Blanchard [R055179]) and continued pre-
construction outreach.
TASK 5 RIGHT-OF-WAY(ROW) DATA
Perform additional boundary analysis and prepare draft plats and field note descriptions for two(2)
additional parcels.Originally scoped five (5)and now seven (7) are required.
TASK 7 PS&E PLAN DEVELOPMENT
The Engineer shall:
- Revise roundabout configuration to account for additional public and City comments.
7.11. Drainage Design
The Engineer shall:
• Collect available GIS data needed for preliminary analysis of detention.
• Perform hydrologic analysis for contributing drainage areas using NRCS Unit Hydrograph method
per City DCM for each detention alternative. 50%, 10%,4%, and 1%annual exceedance
probability(AEP) storm events will be used for detention analysis. HEC-HMS shall be used for
calculating hydrographs.
Docusign Envelope ID:E3E68EF3-7BB5-4E18-9C6D-2465CEA232C9
• Perform design of detention basin to attenuate increases in runoff due to the proposed roadway
improvements to pre-development levels.Analyze existing conditions, proposed conditions
without detention,and proposed conditions with detention within HEC-HMS to determine peak
runoff, required detention, and provided detention.Three (3) alternatives are analyzed for
different detention locations and configurations.Alternatives include underground detention,
modifying the existing detention basin in The Woods subdivision, and adding another detention
basin to the south of The Woods subdivision.
• Prepare a detention technical memo summarizing analysis methodology and results after each
requested alternative.
• Update proposed storm sewer to tie into the proposed detention basin alternatives.
• Prepare existing storm sewer model to establish all flow passing through the project site.
• Revise storm sewer model to use TxDOT standards with a maximum curb opening of 10-feet.Tie
proposed improvements into the existing storm sewer model.
7.15 Water Pollution Abatement Plan(WPAP)
Modify water quality plan/layout and calculations to reflect modified storm sewer model and layout.
7.21. Traffic Control Plan,Detours,and Sequence of Construction
The Engineer shall:
Draft additional traffic control phasing plan for intersection closures and detour routes.
TASK 8 ENVIRONMENTAL SERVICES
Update draft Geologic Assessment and Threatened and Endangered Species Habitat Evaluation reports
to include revised site boundaries.
Conduct an aquatic resources delineation withing the revised project area in accordance with the USACE
1987 Corps of Engineers Wetland Delineation Manual and other guidelines. Evaluation will assess the
three (3)wetland parameters and delineate boundaries of identified wetlands, including use of soil
sampling. Prepare USACE data forms with representative photos, as well as mapping extents of any
observed wetlands boundaries.
Based upon above delineation, prepare an aquatic resources delineation report to document findings
and include professional opinion pertaining to jurisdictional status under Section 404 of the Clean Water
Act.
Prepare an application to the Williamson County Conservation Fund (WCCF)Application to gain
incidental coverage in case potential karst feature is found occupied by the Bond Cave harvestman
during construction activities. Note that the Tooth Cave spider is now known from the area and an RHCP
application does not cover incidental take of that species.The project occurs within the Georgetown
Karst Faunal Region and is within Karst Zone 1.Coverage for potential impacts to golden-cheeked
warbler(Setophaga chrysoparia) habitat are not anticipated.
Prepare draft and final Williamson County RHCP applications.Address any comments and provide final
application for submittal to WCCF.
Docusign Envelope ID: E3E68EF3-7BB5-4E18-9C6D-2465CEA232C9
ADDENDUM TO EXHIBIT C
Work Schedule
Attached Behind This Page
Docusign Envelope ID:E3E68EF3-7BBS-4E78-9CBD-2465CEA232C9 ATTACHMENT C
Rnhedl Ile
City of Round Rock
Sam Bass at Hairy Man Rd.
Intersection Improvements
ID % Task Name Duradon Start Finish Predecessors Successors
CAm _..,Apr 1.Mayr 3rtl 9uartel Ith carter 1st carter 2nd Duarter 3rd iter d[h Mer 1st carter 2�M carter 3b uarter dth Mer 1st iter 2ntl Qwrter
3rd or
4th arter
2nd Duarte
_ lust-lul.Aug Sep M r r M I F 1,71.. 1
1 66% schematic/Design/Bld 762 days Wed 5/15/29Thu 4/15/27
2 100% Notice to Proceed/KO Mt 1 day Wed 5/15/24 Wed 5/15/24 3 Notice to Proceed/KO Mtg.
3 100% Right of Entry Letters Sen 2 days Thu 5/16/24 Fri 5/17/24 2 4 'Right of Entry Letters Sent
4 100% Obtain ROE 25 days Mon 5/20/24 Fri 6/21/24 3 5,6,7 L.Obtain ROE
S 100% Topo Survey 15 days Mon 6/24/24 Fri 7/12/24 4 11,12,10 Top.Survey
6 100% Environmental/Geologic 10 days Mon Fri 7/5/24 4 9 Environmental/Geologic Assessment
Assessment 6/24/24
7 100% Develop Project Contact 130 days Mon 6/24/24 Fri 7/5/24 4 855+5 days Develop Project Contact List
8 94% Develop/Maintain 403 days Mon 7/1/24 Wed 75S+S days 33FF _ Develop/Maintain Project Web Page
Project Web Page 1/14/26
9 100% Environ/Geo Report Prep 15 days Mon 7/8/24 Fri 7/26/24 6 16 iron/Geo Report Prep
10 100% SUE Services(Level B) 10 days Mon 7/15/24 Fri 7/26/24 5 14 S E Services(Level e)
11 100% Prepare Topo Drawing file 10 days Mon 7/15/24 Fri 7/26/24 S 13 P pare Topo Drawing file
12 100% ROW Survey 20 days Mon 7/15/24 Fri 8/9/24 5 15 OW Survey
13 100% Develop Conceptual Layo 37 days Mon 7/29/24Tue 9/17/2411 16SS+15 da Develop Conceptual Layouts
14 100% SUE Level B Drawing File 38 days Mon 7/29/24Wed 9/18/2410 SUE Level a Drawing File
15 100% ROW Drawing file 15 days Mong/12/24Fri8/30/24 12 25 WDrawing file
16 100% Develop Prelim Storm& 27 days Mon Tue 9/24/24 1355+15 23SS,20SS+l Develop Prelim Storm&WQ layouts
WQ layouts 8/19/24 days,9 days
17 100% Collect Traffic Counts 3days Mon 9/19/24Wed 8/21/2413SS 18Col ct Traffic Counts
18 100% Process Count Data 3 days Thu 8/22/24 Mon 8/26/2417 19 Pr ess Count Data
19 100% Traffic Data&Projections7 days Tue 8/27/24 Wed 9/4/24 18 21 T a. Data&Projections
20 89% Utility Coordination 374 days Mon 9/2/24 Thu 2/5/26 16SS+10 days 56 Utility Coordination
21 100% Traffic&Oper.Analysis 13 days Thu 9/5/24 Mon 9/23/2419,1355 24,25 Traffic&Oper.Analysis
22 100% Stakeholder Mtgs.(5) 14 days Tue 9/10/24 Fri 9/27/24 13SS 29SS Stakeholder Mtgs.(5)
23 100% CIC Conceptual Layouts 5 days Wed 9/18/24Tue 9/24/24 13,1655 25 QC Conceptual Layouts
24 100% Safety Analysis 4days Tue 9/24/24 Fri 9/27/24 21 2555 Safety Analysis
25 100% Update Conceptual Layou 30 days Wed 9/25/24Tue 30/8/2421,13,15,24SS,295S,28SS Update Conceptual Layouts
26 100% Receive Executed SWANS l day Fri 11/15/24 Fri 11/15/24 27 1
27 100% Execute Sub Agrmt- 30 days Mon Fri 11/29/24 26 34FS+10
Geotech 11/18/24 days
28 100% Prepare Open House Mtl59 days Wed 9/25/24 Mon 10/7/2425SS 29 Prepare Open House Nitls.
29 100% Neighborhood Open Hci day Tue 10/8/24 Tue 10/8/24 25SS,22SS,28 30 eighborhood Open House i
30 100% Select Preferred Alternate 15 days Mon 10/28/2Fri 11/15/24 29 33,31 Select Preferred Alternate
31 100% Make City requested 8 days Mon Wed 30 32 FA
revisions to selected 11/18/24 11/27/24
alternate
32 100% Meet w/City to assess 6 days Thu Thu 12/5/24 31 33
any further changes 11/28/24
33 100% Develop PS&E(60%Sbmt 227 days Mon 12/9/24Tue 10/21/2!30,32,8FF 45,47,37SS+A Develop PS&E(60%
34 100% Geote th-Site Borings 5 days Mon 12/16/2 Fri 12/20/24 27FS+10 days 35
3S 1DO% Geotech-Lab&Report 15 days Mon 12/23/2Fri 1/10/25 34 36
36 100% Geotech-Report Draft 10 days Mon 1/13/25Fri 1/24/25 35 45
37 100% Develop Detention 10 days Tue 2/18/25 Mon 3/3/25 33SS+45 days 38
38 100% City Review Detention 6 days Mon 3/3/25 Mon 3/10/2537 39
39 100% Develop Detention Altl 3 days Tue 3/11/25 Thu 3/13/25 38 40
40100% City Review Detention Alt 20 days Fri 3/14/25 Thu 4/10/25 39 41
41 100% Develop Detention Alt2 16 days Fri 4/11/25 Fri S/2/25 40 42
Project Sam Bass at Hairy Man
_k - SummaryIwRise Milestone Duration-only Start-only C EHemal Milestone • Manual Progress
Date:Fri 12/12/25 Split .................... Project Summary Inattiw Summary B I Manual Summary Rollup Finish-only 7 Deadline
Milestone ♦ Inactive Task Manual Task I Manual Summary Extemal Tasks Progress
Page 1
Docusign Envelope ID:E3E68EF3-7BB5-4E78-9C6D-2465CEA232C9
City of Round Rock
Sam Bass at Hairy Man Rd.
Intersection Improvements
ID % Task Name Duration Start Finish Predecessors Successors
Com 2rd carter 3rd rter 4th rter ls[ rter 2nd Duarter 3rd carter Ith uarter 1ft uarter 2rM rter 3rd rter 4[h arter lu carter 2M caner
3rd uarter 4th arter
M I I./un_,Jul M r M N
42 100% City Assess: 79 days Mon 5/5/25 Thu 8/21/25 41,45 43FS+7 days
Detention/Not Needed
43 100% Mtg.w/City:Re-start des 1 day Tue 9/2/25 Toe 9/2/25 42FS+7 days 44
M 100% Develop WPAP Applicatio 35 days Wed 9/3/25 Tue 10/21/2!43
45 90% City Review-60%Sbmtl.39 days Wed 10/22/2Mon 12/15/233,36 51F5+15 day. view-60%Sbmtl.
46 0% Prep/Approve SWA42 22 days Wed 12/10/2Thu 1/8/26 45SS+35 days 47
47 0% Develop PS&E(90%Sbmt45 days Fri 1/9/26 Thu 3/12/26 33,46 54,55,4855+ Develop PS&E(90%Sbmtl)
48 0% Finalize WPAP Applicatior 15 days Fri 1/23/26 Thu 2/12/26 47SS+10 days 51 Finalize WPAP Application
49 0% Develop Parcel 15 days Fri 1/30/26 Thu 2/19/26 47SS+15 days 5QSS+10 Develop Parcel Acquisiton Docs
Acquisiton Docs days
so 0% ROW Acquisition 190 days Fri 2/13/26 Thu 11/5/26 4955+10 days 6155+260 da ROW Acquisition
51 0% Submit WPAP 1 day Fri 2/13/26 Fri 2/13/26 45FS+15 52 ubmit WPAP Application to TCEQ
Application to TCEQ days,48
52 0% TCEQ WPAP 10 days Mon Fri 2/27/26 51 53 ,.TCEQ WPAP Completeness Check
Completeness Check 2/16/26
53 0% TCEQ WPAP Review 22 days Mon 3/2/26 Tue 3/31/26 52 57,56 TCEQ WPAP Review
54 0% City Review-90%Sbmtl.10 days Fri 3/13/26 Thu 3/26/26 47 SSSS it
y Review Sbmtl.
55 0% Develop PS&E(100%Sbrr25 days Fri 3/13/26 Thu 4/16/26 47,54SS 58 .Develop PS&E(100%Sbmtl)
56 o% Utility Adjustments 225 days Wed 4/1/26 Tue 2/9/27 53,20 63 ___ U11,11 4i4vistments
57 0% Address TCEQ WPAP 10 days Wed 4/1/26 Tue 4/14/2653 58 p, Add rens TCEQ WPAP Comments
— Comm nts
58 0% WPAP Resubmittal to TCE 1 day Fri 4/17/26 Fri 4/17/26 57,55 59WPAP Resubmittal to TCEQ
59 D% TCEQ WPAP Resubmital 22 days Mon Tue 5/19/26 58 60 ,. TCEQ WPAP Resubmital Review
Review 4/20/26
600% TCEQ WPAP Approval 1 day Wed 5/20/26Wed 5/20/2659 61 ---
61 D% Bid Phase 45 days Fri 2/12/27 Thu 4/15/27 5055+260 day!62 ! Bid Phase
62D% Contract Award/NTP 15 days Fri 4/16/27 Thu 5/6/27 61,50 63 ^ Contract Award/NTP
63 0% Comtmctian 145 days Fri 5/7/27 Thu 11/25/2;62,56 Construction^ '4Moommommummumm
Task Summary 1'�1 InaRiw Milestone Duradon-only Start-only C E-1 Mileac— O Mamtal Progress
Project Sam Bass at Hairy Man
Date:Fri 12/12/25 Split .............. P jeR Summary nefliw Summary I 1 Manwl Summary Rollup Finish-only ] Deadline
Milestone ♦ Inattive Task Manual Task Manual Summary &.caul Tasks Progress
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ADDENDUM TO EXHIBIT D
Fee Schedule
Attached Behind This Page
Docusign Envelope ID:E3E68EF3-7BB5-4E18-9C6D-2465CEA232C9
ATTACHMENT D:ESTIMATED FEE SUMMARY
CITY OF ROUND ROCK
SAM BASS ROAD AT HAIRY MAN ROAD INTERSECTION IMPROVEMENTS
• Task Sheets Principal QA/QC PM Sr Proj Eng Pro)Eng.
Sr Tech Ell Total 'I otal
... _.
It Labor
$300.00 5300.00 53110.00 $250.00 $205.00 $205.00 $150.00
TASKI I1R01HCI MANAU6J1GN 1,ADM1IINISI RAI ION a 1 36 21 10 b 19300.00
Attend three 3 coordination meetings with City to discuss Detention 6 6 $ 3,300.00
1're are Meeting Notes 2 2 $ 500.00
\lounain project Schedule for an additional six 6 months 3 3 $ 900.00
QA/ C detention deliverables I 1 2 S 60000
Prepare monthly progress reports and invoices assume 6 months) 6 2 8 $ 2,300.00
Manage and coordinate subconsultants 14 5 4 23 $ 6,270.00
Conduct internal coordination meetings bi-weekly) 6 6 6 24 S 5,430.00
0 $
TASK 2 PRELIMINARY ENGINEERING 0 u 0 0 0 0 0 $
TASK 3 UTILITIES 0 u 0 0 0 n 0 S
0 $
TASK PUBLIC INVOLVEMENT 0 u 0 0 0 0 $ 600.00
Attend I additional stakeholder meeting on-site
$ 600.00
0 $
TASK 5 RIGHT OF WAY ROW DATA 0 0 0 0 0 2 S 300.00
Prepare/solicit/obtain 1 additional right of en 2 $ 300.00
TASK 6-DESIGN SURVEYING 0 0 0 0 0 0 0 $
$
TASK 7 PSE PLAN DEVELOPMENT 1 14 107 12 212 40 386 701 $ 148 86000
Revise roundabout to incorporate public and City comments 2 4 24 16 50 98 $ 17 900.00
0 S
7.11 Drainage Desi
Collect GIS data for detention analysis 2 1 2 4 $ 900.00
NRCS Method Hydrology 20 16 36 $ 9,400.00
Detention design 3 altematives 2 34 30 66 S 15,300.00
Detention Technical Memo 3 revisions 1 12 8 21 $ 5,100.00
Update proposed storm sewer model for detention design 6 20 26 $ 4,800.00
Existing storm sewer model 8 48 16 72 $ 14 640.00
Revise storm sewer model for TxDOT standards and inlet spacing and tie into existing 4 24 40 68 $ 12,120.00
storm sewer model
Additional storm sewer plan and profile sheets 2 4 16 48 $ 12 280.00
Additional storm sewer lateral sheets 3 3 3 24 48 78 $ 13 920.00
0 $
7.15 WPAP Application Pre /Submittal&TCEQ permitting(update) 0 2 4 12 24 42 $ 7,660.00
WQ facilities design,calculations and details(update) 4 1 2 4 16 24 46 $ 8,480.00
0 S
7.21 Traffic Control Plan Detours,and Sequence of Construction
Revise TCP for intersection closures and detour routes 4 8 1 48 24 60 144 $ 27,36000
0 $
TASK ENVIRONMENTAL SERVICES 0 0 0 0 0 0 0 0 $
TASK 9 BID PHASE SERVICES 0 0 0 0 0 0 0 0 $
TASK 10 CONSTRUTION PHASE SERVICES 0 0 u 0 0 0 0 0 $
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ATTACHMENT D:ESTIMATED FEE SUMMARY
CITY OF ROUND ROCK
SAM BASS ROAD AT HAIRY MAN ROAD INTERSECTION IMPROVEMENTS
\I` Principal QA/QC M Sr Proj Eng Proj Eng Sr Tech FIT Total Inial
- ��-- Hours Labor
$300.00 $300.00 $300.00 $250.00 $205.00 $205.00 $150.00
SUBCONSULTANTS
Inland GeodeGccLL('rS7irrriv S 11500.00
SWCA $ 14 850.00
Ri eline Public IniolvermmU $ 3,318,00
The Rios(iron ..Inc. SUIT $
Total ASI Direct Labor Hours 0 15 145 33 222 40 394 765
Percent orTotal Hours 0.0% 2.0% 19.0% 4.3% 29.0% 5.2% 51.5%
Total ASI Direct Labor PS&E)Cost $ 169,060.00
Total ASI Other Direct Expenses Cost $
Total Subconsultants Cost $ 29 668.00
TOTAL PROJECT COST $ 198,728.00
Paye