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CM-2026-106 - 4/17/2026 STATE OF TEXAS § COUNTY OF WILLIAMSON § SUPPLEMENTAL CONTRACT NO. 9 TO CONTRACT FOR ENGINEERING SERVICES FIRM: BROWN & GAY ENGINEERS,INC. ("Engineer") ADDRESS: 101 West Louis Henna Boulevard,Suite 400,Austin,TX 78728 PROJECT: Gattis School Road Segment 6 This Supplemental Contract No. 9 to Contract for Engineering Services is made by and between the City of Round Rock, Texas, hereinafter called the "City" and Brown & Gay Engineers, Inc., hereinafter called the"Engineer." WHEREAS, the City and Engineer executed a Contract for Engineering Services, hereinafter called the "Contract," on the 1 lth day of February, 2016 for the Gattis School Road Segment 6 Project in the amount of$482,439.90; and WHEREAS,the City and Engineer executed Supplemental Contract No. 1 to the Contract on May 10, 2018 by Resolution No. R-2018-5420 modifying the scope of services and increasing the compensation by $401.872.25 for a total of$884,312.15; and WHEREAS, the City and Engineer executed Supplemental Contract No. 2 to the Contract on October 1, 2018 to modify the provisions for the scope of services and to increase the compensation by $8,540.00 for a total of$892,852.15; and WHEREAS, the City and Engineer executed Supplemental Contract No. 3 to the Contract on September 12, 2019 to modify the provisions for the scope of services and to increase the compensation by $177,053.00 to a total of$1,069,905.15; and WHEREAS, the City and Engineer executed Supplemental Contract No. 4 to the Contract on January 23, 2020 to modify the provisions for the scope of services and to increase the compensation by $119,914.00 to a total of$1,189,819.15; and WHEREAS, the City and Engineer executed Supplemental Contract No. 5 to the Contract on December 2, 2020 to modify the provisions for the scope of services and to increase the compensation by $216,816.50 to a total of$1,406,635.65; and WHEREAS, the City and Engineer executed Supplemental Contract No. 6 to the Contract on March 26,2021 to modify the provisions for the scope of services and to increase the compensation by $25,190.00 to a total of$1,431,825.65; and Supplemental Contract Rev.06/16 O1_ 0n (,4(20 _ / 84275 V" '�2 aL.l/�1 1�Q�j� 1 WHEREAS, the City and Engineer executed Supplemental Contract No. 7 to the Contract on March 10,2022 to modify the provisions for the scope of services and to increase the compensation by $88,390.00 to a total of$1,520,215.65; and WHEREAS, the City and Engineer executed Supplemental Contract No. 8 to the Contract on November 16, 2023 to modify the provisions for the scope of services and to increase the compensation by $125,704.00 to a total of$1,645,919.65; 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 $69,710.00 to a total of$1,715,629.65; 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 $69,710.00 the lump sum amount payable under the Contract for a total of$1,715,629.65,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 0199.1602 84275 2 BROWN & GAY ENGINEERS,INC. By: /erv{ .d, Printed Name: Erin Gonzales Title: Vice President Date Signed: 4/13/2026 Supplemental Contract Rev.06/16 0199.1602 84275 3 CITY OF ROUND ROCK APPROVED AS TO FORM: By: Stephanie L. Sandre, City Attorney Printed Name: 6Ib0S / VV.,f( Title: n7/1/Date Signed: Supplemental Contract Rev.06/16 0199.1602 84275 4 Gattis School Road City of Round Rock From Red Bud Lane to Via Sonoma Trail Exhibit B-9 Services to be Provided by the Engineer ADDENDUM TO EXHIBIT B ENGINEERING SERVICES The work to be performed by the ENGINEER under this contract consists of providing engineering services required for the development of construction plans for the widening and reconstruction of Gattis School Road from Red Bud Lane to Via Sonoma Trail and along Red Bud Lane approximately 500' south of Gattis School Road. The project consists of reconstructing approximately 0.65 miles of the existing 4-lane roadway section to a 6-lane divided facility and adding a right turn lane on Red Bud Lane. This project involves surveying, engineering analyses, and associated details necessary to produce PS&E to a 100%design, including bidding& award services, and construction phase support. The ENGINEER shall perform all work and prepare all deliverables in accordance with the latest version of the City of Round Rock criteria. The ENGINEER shall perform quality control and quality assurance(QA/QC)on all deliverables associated with this project. The ENGINEER shall provide traffic control in accordance with the Texas Manual on Uniform Traffic Control Devices (TMUTCD)when performing onsite activities associated with this contract. CONSTRUCTION PHASE SUPPORT SERVICES(Function Code 309) A. Engineer shall provide construction support services, including assistance with responding to contractor questions,attend pre-construction meeting,and prepare minutes. Agenda will be prepared by the City. B. Assist City with Shop Drawing and material review and approval (assume 2 shop drawing submittals and 12 additional material submittals) C. Assist City with preparation of Change Orders,Alternate Design or Additional Design Details D. Respond to Questions related to the Plans -The Engineer shall be available to respond to questions related to the plans and specifications as needed throughout the duration of the construction. The Engineer will document each question in sufficient detail, formulate a response and submit a written version of the response to the City for distribution to all involved parties. Estimate assumes no more than forty(40) additional Requests for Information. E. The Engineer representative to attend weekly meetings as needed at the request of the City, estimated at 75%of 20 month estimated construction duration. F. At the completion of pond construction,the City will provide survey information for the pond locations or modifications. With the City survey information,the Engineer Sheet I of 2 Gattis School Road City of Round Rock From Red Bud Lane to Via Sonoma Trail Exhibit B-9 Services to be Provided by the Engineer will provide certification that the ponds were constructed per plan. G. Assist City with Pay Application review and approval (assume 16 pay applications) H. Utility Coordination in accordance with attached Halff Scope of Services(Exhibit A) I. The Engineer shall not at any time supervise, direct, control, or have authority over any contractor's work,nor shall Engineer have authority over or be responsible for the means, methods,techniques, sequences, or procedures of construction selected or used by any contractor, or the safety precautions and programs incident thereto, for security or safety at the construction site,nor for any failure of a contractor to comply with Laws and Regulations applicable to such contractor's furnishing and performing of his work. The Engineer will not bear any responsibility or liability for defects or deficiencies of the contractor. Sheet 2 of 2 .•: half UTILITY COORDINATION/ENGINEERING SCOPE OF SERVICES(EXHIBIT A) Client:BGE City/County Name:Round Rock/W illiamson County Project: Gattis School Rd Seg.6 Project Limits • Within the existing ROW Gattis School Rd from Via Sonoma to Red Bud Lane Level of Effort Review and Respond RFI's • Continued coordination for up to 12 months with previously identified utility owners: • Altice/Suddenlink • AT&T • Spectrum • Google Fiber • Astound • MCI Verizon • Zayo • Manville Water • Southwest Water • City of Round Rock Water/Wastewater • Atmos • Review and respond to RFIs submitted to Halff directly from prime consultant BGE related to utility coordination,existing utility conflicts. Any technical RFI's to be routed to engineer of record or utility representative when necessary. • Coordinate timely conflict resolution with utilities already identified within the project limits Meetings&Site Meeting with Utility Representatives • Attend CORR re-occurring monthly meeting and provide updates on utility coordination activities • Provide a representative at weekly site meeting for duration of 12 months to ensure utility issues are communicated and followed up. UC/UE Deliverables • Meeting Minutes in Excel and Pdf format • RFI Response Log • Monthly Progress Reports Summarizing Utility Activities Assumptions • 12 months contract duration for utility coordination services Exclusions • Coordination with New Utilities or Privately Owned Utilities • Utility Agreement Assemblies • Utility Relocation Design 1 ffGEM 1 laL Subsurface Utility Engineering/ Utility Coordination • Buy America Build America(BABA)Compliance Verification or Inspection • Permitting • Utility Relocation Inspection and Verification Location: .r„ Det.•Seneei "' GeM.e-Heee,'_I.t"'/ r e!• r 2 ADDENDUM TO EXHIBIT C WORK SCHEDULE DATE MILESTONE April 2026—October 2027 Construction Phase Services ADDENDUM TO EXHIBIT D FEE SCHEDULE Attached Behind This Page PROJECT NAME: GATTIS SCHOOL RD EXHIBIT D-9-FEE SCHEDULE FROM RED BUD LN TO VIA SONOMA TRL FC DESCRIPTION BGE Half Inland TOTAL FC 110 ROUTE AND DESIGN STUDIES $0.00 $0.00 FC 120 ENVIRONMENTAL $0.00 $0.00 FC 130 ROW $0.00 $0.00 FC 145 GENERAL MANAGEMENT/COORDINATION $0.00 $0.00 FC 150 FIELD SURVEYING AND PHOTOGRAMMETRY $0.00 $0.00 FC 160 ROADWAY DESIGN CONTROLS $0.00 $0.00 FC 161 DRAINAGE $0.00 $0.00 FC 162 SIGNING, PAVEMENT MARKINGS,AND SIGNALIZATION $0.00 FC 163 MISCELLANEOUS ROADWAY $0.00 $0.00 FC 170 BID PHASE SERVICES $0.00 $0.00 FC 309 CONSTRUCTION PHASE SUPPORT SERVICES $44,391.00 $ 24,850.00 $69,241.00 EXPENSES $0.00 $ 469.00 $469.00 TOTAL $44,391.00 $25,319.00 $0.00 $69,710.00 BROWN GAY ENGINEERS,INC. EXHIBIT D-1-FEE SCHEDULE PROJECT NAME: GATTIS SCHOOL RD FROM RED BUD LN TO VIA SONOMA TRL TASK DESCRIPTION Senior Project Project EIT Senior Senior Senior ENV Admin/ Total TOTAL LABOR Project Mgr Manager Engineer Engineer Tech CADD Op ENV Scientist Clerical HRS.&COSTS FC 110 ROUTE AND DESIGN STUDIES 0 $0.00 $0.00 FC 120 ENVIRONMENTAL COMPLIANCE AND PUBLIC INVOLVEMENT 0 $0.00 O $0.00 FC 130 RIGHT OF WAY DATA 0 $0.00 O $0.00 FC 145 PROJECT MANAGEMENT $0.00 O $0.00 FC 160 ROADWAY DESIGN CONTROLS $0.00 FC 161 DRAINAGE _ $0.00 0 $0.00 FC 162 SIGNING,PAVEMENT MARKINGS,AND SIGNALIZATION $0.00 FC 163 MISCELLANEOUS(ROADWAY) $0.00 0 $0.00 FC 170 BID PHASE SERVICES $0.00 FC 309 CONSTRUCTION PHASE SUPPORT SERVICES $44,391.00 Weekly Meetings(75%of 20 months) 90 90 $17,550.00 Shop Drawings Review(2 ea) 2 4 4 10 $1,530.00 Submittals Review(12 ea) 6 12 18 $2,460.00 Change Orders review and processing(5 ea 5 10 15 $1,665.00 Respond to RFIs(40 ea) 20 40 30 30 120 $18,250.00 Pay Application Review(16 ea) 8 24 32 $2,936.00 HOURS SUB-TOTALS 0 117 58 46 ' 30 0 r 0 0 34 285 285 CONTRACT RATE PER HOUR $225.00 $195.00 $160.00 $125.00 $140.00 $90.00 $220.00 $135.00 $69.00 TOTAL LABOR COSTS $0.00 $22,815.00 $9,280.00 $5,750.00 $4,200.00 $0.00 $0.00 $0.00 $2,346.00 $44,391.00 SUBTOTAL $44,391.00 TOTAL TOTAL Senior Project Project Senior Senior Senior ENV Admin/ FUNCTION CODE TOTAL COSTS DIRECT LABOR Project Manager Engineer EIT Engineer CADD ENV Scientist Clerical TOTAL MH BY FC EXPENSE _ COSTS Manager Tech Operator $44,391.00 $0.00 $44,391.00 0 117 58 46 30 0 0 0 34 285 285 0 SUBTOTAL LABOR HOURS 0 117 58 46 30 0 0 0 34 285 285 SUBTOTAL LABOR EXPENSES $44,391.00 $0.00 $44,391.00 0.0% 41.1% 20.4% 16.1% 10.5% 0.0% 0.0% 0.0% 11.9% OTHER DIRECT EXPENSES QUANTITY UNIT RATE Mileage 0 mile $ 0.56 $0.00 Photocopies B/W(11"X 17") 0 each $ 0.20 $0.00 Photocopies Color(8 1/2"X 11") 0 each $ 0.75 $0.00 Photocopies Color(11"X 17") 0 each $ 1.25 $0.00 Geosearch(hazmat) 0 each $ 500.00 $0.00 Large Format Plotting 0 SF $ 2.25 $0.00 SUBTOTAL DIRECT EXPENSES $0.00 SUMMARY TOTAL LABOR COSTS $44,391.00 NON-SALARY(OTHER DIRECT EXPENSES) $0.00 GRAND TOTAL I $44,391.00 Highway:Gattis School Seg.6A EXHIBIT D-FEE SCHEDULE Specified Rate Is,.S 055.m 5 I15.m$ us.m S sss.m$ 1rt.m S tm.m 5 tsa m 5 13000 5 110.m 5 13000$ 11000$ US®$ m.0D$ 350.00$ WOO a sz a 2 g g § 1 1 - 1.3 a yTotal Sod Mika Ceo1Y,.11.0 A Obloy Coortbnalton l0000,uuwn maw Walcott 2. 100 6 10 5 30,05000 g $ f • f $ $ SW*Oat Noon: a 30 0 a im 0 0 0 0 e a e L Im of Subtotal l LameCOM $ - f a1ID.m $ - $ - $ • .f 1),Om.m $ n0.m $ - f - 5 - $ - $ - $ - $ - $ - '.$ aaeA f 1115000 uqunubtwn Hour.: a n � 1m a o 0 0 j o a o e 10101 CTu5 Subtotal 5.50,Cost: $ - $ a,ll0.m 5 $ $ • IS 11.m0.00 $ 730.00 $ - I f - s - I f - 1f -1$ - s -AS - IS 550.00 S 20.510 o0 • Halff Associates,Inc. Exhibit B Highway:Gattis School Seg.6A EXHIBIT D-FEE SCHEDULE Specified Rate OTHER Expenses to he Required UNIT FIXED/MAR UNIT COST T EXPENSES QUANTITY COST Masse mile feted Current late $ 0.6I >00 $ Rate Subtotal Other Dire.Expenses. $ 469.00 Halff Associates,Inc. Exhibit B A i'�,l + r �'AR ~ ..,.. +• 4, to �i a4 4 ..'r fi; . . .. ,• y .. It „ N ;. 'Ee '�'. .— y��►, is �{� e�E4)R `` 'r 1 r '" i . }o: �_— n. - j" l 40- „' + •�. .� �%• _( LAKE PL . Il_+J.. Lr. { i IV `�_' P..i` rt a Ate. 3 ::i, ,;.♦ ., '+•� ,_` d 1 -ice--i �Y -Jir 4,w� so, _ r k • ,.,..., ' S �• q;A ,. 1. 1 J , 'j� d y •v t t :TJ ��' +' • ot ° �4 :.1 MP''s. T ,' mayit ' '.. y i' t{ .. +� �, ram' ` sg . A, -.,.....ei Ka/P 4 4-4,-‘'. " ' ,._- , .-i4i/U., 1/?•••• .. 1 V 1,r-rill-. : .--'4' irr; + . . •, a � .it�rp.4s',•.•anr ti':R:W.,�4�. .."A 4 � �'tl►. o�RD --'� '� �d lir .•...,i•• - CNO , .1 4 \ 4 „. P f r a/M • V I , 'ir d a i • - • +�,Ff 4i. i Y-tt 4 wa L •- i :;; Ig*. i. -A� Vr rrYY:. -!, + ;, „rM r4 4 '''�P,Op " L "JS`LK TREE l 1 + l AM 1, < • t=. J { -, a a a - ** • '. ''.. , -- a. `' 1 1PN. •C� ►� , 1 1 t ,y1 a t + W R l...t 4„,....• , pas°11 i_' • n f -,ern y _. c ` * .$ A1i rf t s F ;in 1 -,rl ,, o- i — .� ' � * W Legend S A ',' ' A,: i �'k , ' . -mac, - , , 'a_ ._ Gattis School Road Segment 6 � ,/� 7 +;S+F 4*••�'a +f/, . :.L�' 0�,c• •r •r • -, 'm.0 \ ` i kt, .Ne.ir:r�' �.r �'� F rt'.. Via, ..� -.sr .44'�a , N .1:�. ./ a Gattis School Road Segment 6 N Round Rock Public Works Department ROUND ROCK TEXAS September 2024 500 , 1,000 Feet