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CM-2025-193 - 8/1/2025 STATE OF TEXAS § COUNTY OF WILLIAMSON § SUPPLEMENTAL CONTRACT NO. 1 TO CONTRACT FOR ENGINEERING SERVICES FIRM: COBB FENDLEY& ASSOCIATES,INC. ("Engineer") ADDRESS: 9600 N. Mopac Expressway, Suite 800,Austin,TX 78759 PROJECT: SH 45 and A.W. Grimes Wastewater Line Upsize 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 Cobb Fendley&Associates,Inc., • hereinafter called the"Engineer." WHEREAS, the City and Engineer executed a Contract for Engineering Services, hereinafter called the "Contract," on the 12th day of September, 2024 for the SH 45 and A.W. Grimes Wastewater Line Upsize Project in the amount of$270,598.00; 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 $23,360.00 to a total of$293,958.00; 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 $23,360.00 the maximum amount payable under the Contract for a total of$293,958.00,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 0199.202429;4918-1133-0391 84275 1 CP aSa l3 COBB FENDLEY& ASSOCIATES,INC. By: Group Lead 7/25/2025 Date Supplemental Contract Rev.06/16 0199.202429;4918-1133-0391 84275 2 CITY OF ROUND ROCK APPROVED AS TO FORM: By: ,��,,�,II_' /��,y tephanie L. Sandre, ity Attorney Printed Name: ? .& 1 ,II 1¢T'± Title: Cl t Waxy- Date Signed: 0 I I ILO25 • Supplemental Contract Rev.06/16 0199.202429;4918-1133-0391 84275 3 ADDENDUM TO EXHIBIT B Engineering Services Attached Behind This Page CobbFendley 7/9/2025 Ms. Kaitlyn Saucedo Engineer Associate City of Round Rock RE: SH45 Wastewater Line Upsize Proposal for Supplemental No. 1 Ms. Saucedo: CobbFendley is pleased to present this proposal to provide additional services for the upsize of a wastewater line crossing SH 45 west of AW Grimes Boulevard. The following is a summary of the services that will be performed as part of Supplemental No. 1. 1. Survey. CobbFendley will provide survey services. a. CATEGORY 6 TOPOGRAPHIC SURVEY Additional Topographic Survey/1' Contour Mapping Additional topographic survey of approximately 15,000 square foot of a portion of Dry Branch located north of SH-45 will be performed which will include, but not be limited to: 1-foot contours, data will be collected on a 50'grid with grade breaks, edge of concrete structures,curb and gutter,overhead power, telephone or signal lines, utility markers or signs, above ground visible evidence of utilities, power poles,guy anchors and other important features,and all existing visible surface improvements within the project area. The additional topographic survey will include locating trees 8-inches in diameter and larger within the project corridor limits. Locating environmental assessment marks for the Waters of the United States along the proposed Wastewater easement area, approximately 500 linear feet corridor. The deliverable shall be in AutoCAD CiviI3D format. b. One(1)Metes&Bounds Description and Sketch for one Wastewater Easement Based on the field survey data collected, CobbFendley will create a sketch and metes & bounds description for one (1)easement as proposed. The easement description and sketch will be signed and sealed by a Texas Registered Professional Land Surveyor. EXCLUSIONS FROM SURVEY THE SCOPE OF SERVICES Specific items excluded from this proposal are as follows: • Right-of-entry. The City will provide right of entry to private property and utility easements (if required). • Surveyor will not provide opinions as to adequacy,on legal or title issues. 9600 N.Mopac Expressway,Suite 800 I Austin,Texas 78759 I 512.834.9798 I fax 512.834.7727 I www.cobbfendley.com TBPE Firm Registration No.F-274 I TBPLS Registration No.10046701 CobbFendley • The survey will not address compliance or assessment of existing utilities, wetland determinations,fault lines and/or environmental assessments that are beyond the surveyor's expertise. • The survey will not include any references to lease agreements, oil, gas and other mineral rights or matter that are strictly contractual and items which cannot be located upon the subject tract by physical description. Those matters are given constructive notice in a title commitment and must otherwise be addressed by the parties involved and/or addressed by legal counsel. • Flood elevation certificates. • Excavation of utilities. • "Standard traffic control"is performed by CobbFendley and is included in our standard rates. "Standard traffic control"can be described as short-term lane closure necessary for manhole entry or access to utility features located in the roadway. Should 'non-standard'traffic control be required (lane closures, police officer present, arrow board, etc...)these services will be considered extra. • Subdivision platting. • Any other services not specifically included within the description of the Scope of Services as described above. c. Easement Surveys—Base Mapping/Plat and metes and Bounds Descriptions • CobbFendley will conduct property ownership research for subject and adjoining tracts. Record Deeds, Plats, and Right-of-Way maps will be researched, and an Abstract Map will be created. • Based on the Abstract map created, CobbFendley will mobilize a field survey crew to locate property corners necessary to establish property and right-of-way boundaries within the project limits. • This scope and fee includes one (1) plat and descriptions and one (1) revision thereof. Any additional revisions needed due to changes in alignment or per other client requirements will be provided as an additional service. 2. Environmental. CobbFendley will coordinate with aci Consulting, Inc. (aci)for environmental services. See attached proposal from aci dated July 7, 2025. 9600 N.Mopac Expressway,Suite 800 I Austin,Texas 78759 1512.834.9798 I fax 512.834.7727 I www.cobbfendley.com TBPE Firm Registration No.F-274 I TBPLS Registration No.10046701 CobbFendley We propose to perform these services for the time and materials fees as summarized below. Task Labor Expense Total Fee SH45 Wastewater Line Supplemental No. 1 $23,360.00 $23,360.00 CobbFendley Topo Survey + Metes and Bounds $15,082.00 $15,082.00 Environmental Services (aci) $8,278.00 $8,278.00 Total Supplemental Fee $23,360.00 $0.00 $23,360.00 If you have any questions or comments, please contact me or Julie Hastings at jastings a(�cobbfendlev.com or(512) 834-9798. We look forward to working on this project with you. Sincerely, 2166449— Kristen Van Hoosier, PE Group Lead cc: Julie Hastings, Principal I Project Manager 9600 N.Mopac Expressway,Suite 800 I Austin,Texas 78759 I 512.834.9798 I fax 512.834.7727 I www.cobbfendley.com TBPE Firm Registration No.F-274 I TBPLS Registration No.10046701 IA& Contract Proposal 09-24-049 Amendment Date 7 Jul 2025 acil env Proposal For Project Title Kristen Van Hoosier CoRR SH-45 Wastewater Line Upsize Cobb, Fendley & Associates, Inc. 9600 N. Mopac Expressway, Suite 800 Austin, Texas 78759 Project Description aci environmental consulting proposes the following amendment (amendment 1) to the original scope of services contracted under aci environmental contract # 09-24-049 for the Cityof Round Rock, SH-45 Wastewater Line Upsize Project in Williamson County,Texas. The City of Round Rock is proposing to upgrade approximately 650 feet of existing 12" wastewater line to 15" wastewater line near the intersection of SH-45 and A.W. Grimes Boulevard. This scope of services is for an approximately 50-ft wide corridor along the proposed alignment, and the area in which a new easement may be acquired) as depicted in Exhibit A. Should the proposed alignment be altered significantly, or additional area of review be requested, a separate work authorization would be required. As aci environmental previously received notice to proceed on the original scope of services, some data collection and analyses have been conducted for the project as proposed, and the client has been billed for that effort. The following tasks and associated fees will incorporate the previous effort where practical, and the cost proposed below is INCLUSIVE of the previously billed fee. This scope makes the following exclusions: - Hazardous material review, reporting, permitting or agency coordination - Cultural resources review, reporting, permitting or agency coordination Scope of Services aci environmental consulting, LLC will execute the following tasks under this amended scope of work. The tasks are mutually dependent and scoped accordingly. Task 1: Waters of the U.S. and Species Habitat Technical Memorandum aci environmental consulting will prepare a memorandum to present the results of a desktop and field reconnaissance review of the study area for potential Waters of the U.S. and potential habitat for threatened and endangered species. The analysis and reporting will be qualitative in nature and delineation of potentially jurisdictional waters or habitat will not be conducted. If waters of the U.S. or habitat for protected species are identified, aci will communicate with the client recommendations for next steps. This task includes one round of comments from the project team. Following the comment response a finalized digital copy (PDF format) of the report will be submitted to the client. Cost of Task 1: $3,000 Task 2: Preliminary Jurisdictional Waters Determination aci environmental consulting will conduct a desktop review and site visit to assess the potential for jurisdictional waters of the United States based on the Environmental Protection Agency's (EPA) and U.S. Army Corps of Engineers' (USACE) current guidance. The purpose of this assessment is to identify potential waters of the United States which may fall under the jurisdiction 09-24-049 Amendment 1 1001 Mopac Circle, Austin, TX 78746 1/5 Powered by BaseBuilders.com of the Clean Water Act (CWA). aci consulting will perform an analysis of the most current available aerial photographs, topographic maps, National Wetlands Inventory (NWI) database, National Hydrography Dataset (NHD), and soil surveys as well as conduct appropriate field work necessary to identify potentially jurisdictional waters and potential wetlands. If present, and impacts to potential waters are anticipated, delineation and quantitative assessment of impacts for CWA permitting may require an additional work authorization. cost of Task 2: $1,200 Task 3: Federal Endangered Species Habitat Determination aci environmental consulting will perform an assessment of the potential for federally protected endangered and threatened species along the proposed project alignment. A visual inspection of habitat within and immediately adjacent to the alignment will be performed for listed species. If identified, the presence of potential habitat will be documented in the technical memorandum under Task 1. Cost of Task 3: $1,200 Task 4: Project Management and Coordination aci environmental consulting will conduct project management and client coordination, and at the client's request, prepare for and attend up to two project meetings. Cost of Task 4: $1,000 Total Cost of Tasks 1-4: $6,400 This scope of services makes the following assumptions: -The proposed project will not involve federal, funding, permitting, and or approval (including but not limited to Section 404 permitting for impacts to jurisdictional waters of the U.S). -The proposed project will not occur on federally owned or controlled lands -The proposed project will not involve five or more acres of ground disturbance; 5,000 or more cubic yards of earth moving; occur in a historic district or other designated historic site; or affect a recorded archeological site. *If any of the above assumptions are not met, Cultural Resource review and notification to the Texas Historical Commission would be required, and archeological survey and/or historic resources survey may be required. Those tasks would require an additional work authorization. This scope of services does not include the following: - Right-of-entry acquisition, organization, and coordination; - coordination for easements on federal or state owned/controlled lands - Phase I Environmental Site Assessments - Section 404 permitting - Section 7 Consultation with USFWS for impacts to federally-listed species - presence/absence surveys for any federally listed species - Cultural Resources review and survey, and coordination/consultation with the Texas Historical Commission. Fee and Structure Task 1: Waters of the U.S. and Species Habitat Technical Memorandum Hourly 3,000.00 Task 2: Preliminary Jurisdictional Waters Determination Hourly 1,200.00 Task 3: Federal Endangered Species Habitat Determination Hourly 1,200.00 Task 4: Project Management and Coordination Hourly 1,000.00 $6,400.00 09-24-049 Amendment 1 1001 Mopac Circle, Austin, TX 78746 2/5 Powered by BaseBuilders.com Exhibit A OW- —4711 .-• 711r — . w ,A-ti411 - II , ...„. . . ... . , : 4,t 4 • ; - _ \ -, Awl`' ''' -- ' 4. .' 0 ,t 0 SH 45 VVVVL"A" < % tp4 . --_ - SHEET C-103 Ie 0 4,0 , • l . • % ' ' ' . 1., , it, , .... . v , , In Ale 1 ... . ...Is. . pa In ,,. Itir, i .. , if - . li. . • ' ', ' Oft r . .. . , . v.- SH 45 VVVVL"A" ' .. ' SHEET C-102 +. . ID 4••.$4 V.. -4. ‘ or,— -r . , : .1.- ...5 _..,..!... -,. .. , ,.. _ ... .. r i - • _ , - ------- .... , ---- ------ ._ , , • , . li:•11 •'''' ".017.40.« ,, -', * ---- • • • e. • ow 0... 11111, .1\ r• dit, ----- __---- .4..4, 414111 ADDENDUM TO EXHIBIT C Work Schedule Attached Behind This Page Cry o1 Mond Rah 53145 WWl U.. hdlMmry Schedule h h �,t 004 M25 -9 IMwe •nw.. �°".e' IFibl. Iw.a..n'. e. .1.r. I m I w 1 �v. .I. s. 1 w. I I 1 w I''F.I -1_Fs I rev I wr l Pray 1 ]w� 1. AI I he I So I .-_1..e4..1.�_.lore. Imes 1r_L .Lee._.L.wr I w. I Is I..zyl_1_l+a_L_s.n_�..u4-.I_xg_Las_Lr._L I R 2 R M145 WW1... Sri drysThu Wn/2. Thu 12/3/26 5 9 ♦ 023 1day Thu 3/33n4 Thu 13/29/24 ..WH a R Design 366 days Thu 3/5/24 Thu 1/29/26 3 R internal[MoM 1day TM3/5n. Thu 9/5/2e 33.5 days -rt 6 ® R prelmnury 0e0B lmor Fri 3/6/2. Thu 10/]/]4 5 .x.,y.... T 4 1014.030 m.M 57daW MI 11/2/I4 Mon 1/20/251 9 01. 0.:6n 20 daysFn 11/29/3 T0u22n/24 8 40 9 DNac 5 days id wx3a. ,m wsn. e 10 address comments Sdays RI/Wu Thut2/1/x. 3 tom\ II w. 5mm.lx m0ty 1day Fri 12/13/24 Fr112/13/24 10 12 R City Rev days Mm 12/16/24 Fes u10/25 Row. 3011 13 R 3.Renew meeting 1day Man l/20/25 Mon 1/20/25 1255.5 days - - 14 MI0x 6 g a,. 105 days Tw1/21/05 Mon6/tWss F e Is I- on Hold 60 day Tue 1/31n5 Mona/lens 13 16 R Deny 16 day Tw4/lI/25 Tyre S/6/25 15 17 R 0NaC )days Wed 5/3/35 Thu5/15/25 16 16 R Addr.0 COmm.nts 5days Fri S/16/35 Thu5/22/25 12 If R SWmItd 1day 015/23/35 Fn5/23/25 16 M R City Review 15 days Mon Sn6/33 id 6/19/35 19 21 R 60%Review Meeting 1day Mon 6/16/35 Man6/16/25 20 22 R 90940es16n Ph. 97das Men9/15/23 Tw52n/25 . 29 R Design 30day Mani/15n5 Fn10/V25 31.13,e1 e.y p R waC 5days Man 2W2nns Fn 10/31/25 23 1l 35 R Address comments 5 day, Man 11/3/25 Fn21nr25 24 1 • 26 R Submittal ]day Mon 11/10/2S Mon11/10/25 25 27 R City Review 15 days Tu.11/11/25 Mon12/1/25 26 l 39 R 900 Renew Meet. 1 day Tu.11n/25 Tw 12/2/25 22 1 R FM..Des1p 41da,. W.dl2/3/Is TTM6a9n6 1 y 30 R Design 10 days Wed 12/3/35 Tun12/16/25 20 1 l 31 R 0A/0C 5 day, Wed 12/12/25 Tw 12/)3/25 30 1l ss R Address Comments 10 d.s wed12/2ans T..2/6/26 31 II R Smmmx 1day Wed1nn6 Wedu)n6 32 1 3e R City Pawn 15 days Thu1/W26 Wed1nen6 33 T:O,y 35 R Approval 1day Thu 1/23/26 Thu 1n3n6 34 i 36 R Supple...t 36 days Tun 6/17/25 9n41/25 y . 37 S. Submit upp ntal1 13 days Ta.6/12/35 Fn)/11/25 31 '. M R RTp 15 dare Mon)/2.n5 in 11/1/25 37 13 R 3.4 266 any F.19/6n4 Fn W52/25 5 P y 60 R Topography 2 moo Mi 9/6/24 TT.10/31/24 5 111110110.11••• .I R 34000 T0100a009 6w1, Mane/0/25 Fn9/92ns 30 Talmm. 42 R UMW YenMp.M. 60 drys 1319/6n4 Thu10/iu2e 1r 1 « R Utilitylmestga[i0n 10 days ri3/6n. 10/3n. 5 « R w6ln A zo n Sri 954 lon ri 3/xo/2. Thu er. .3 .5 R UMIIy Ma..Fue 10 days Fri 10/13a4 0.10/31/34 44 46 R W.W.I )6 day Sri 3/6n4 WI12/20ne 9 4 n 4 maeting wok Cem.0130.l 1day Fri 3/6n4 Fn3/W2. S r n 4 TorenT P0102 3eay3 Man3nn. 00ri 0/11/2 47 n R TOO Rermn roan ManinWM Fn Mn1n. 6e M R Bonny, 20days Mon 10//14/24 vn11/6/2. 43 51 R Report 30 days Mon11/11/2. in12n0/2. 50 52 R 6nsr0nrl.ntal 41d..1 M19/6n4 1411/1/24 f-1 53 R Meeting with Environmental 1day da Mon id WW3. 5 • « R MOP.Mvp[0«ion 30 days Mon 9/3n1 FnM/31/26 53 LThi 55 R SIMllwatlptlons 10 day M0n10nu2. Sri 11/1/24 54 56 4 6M 3mons Sri1/3W25 Thu4n9/26 29 • 57 MtCnnstrustIon gm. Fri4/2.n6 Thu12/3/26 56 1 Pm..51445.WN1.20250200 sr MIIIMISM11019 Wham, • p.m r m. my.. - aw/sae..rvauw yai 6061* C Yw.04. 0.M T.)ARS SyTi sw..ro 2-s .rtl.Tw enw5v..r.rr I I 0..yw..M a .n. manual Summery 11 ryWwry ] 6uY.a6rruw 0 row. ADDENDUM TO EXHIBIT D Fee Schedule Attached Behind This Page • SR 45 Wastevnle Una Upsixe COy of Round Rock abura Expanses 331700 $258.00 32E300 3205.00 3185.00 3152.00 5202.00 3178.00 3134.00 314100 $18800 $17500 $29800 5134.00 5385.00 $17000 $117.00 $0.850 315.000 S0.150 Per hoot per how per hour Per hour par hour Per hot. Par hour par hour per hour par how per hour per hour par hour per hour per hour per hour Per hour Per mile _per each per.tract Right-of- 2-Person Dn•- Vac Truck S Senior PM N I Sr flog PSI 1I Sr Enpr PM I Proj Ergr Senior T4ch Swlo$ Oeduala tFarwn P."..'" Total ID T»k M I Senior RPLS III Proj Engrll Proj Eruprl AI Tech II Tech III Engineer II Way APO Meld Craw EOM Designee tTaehe Nac ProjectPro1MCwrd Mileage Delivery Coplw moms Total Budget II Crew g Crew3000 S 4000) Coord SD 48-Waatewelm Line Upsiae-Supplemental No.1 1 Topographic Survey-CobbFendley Survey control-4 Primary and reverse 0 50.00 Terrestrial LIDM-Minimum 9 setups. 0 50.00 c. Topographic Surwy-wnwn$onal,Manhole Inverts 4 24 30 58 $11,150.00 d. Boundary and ROW-2 tracts and adpiners. $0.00 Dew Meppng-Deed and ROW Pk0ing,Reseerch $0.00 1. Process Control-4 Primary,Traverse $000 M1. Process Li OAR Data-to be used for design tow survey $000 MAR Feature Extraction $000 j. Process conventional survey data-DTM $000 ONCIC $0.00 Subtotal Tow and Tree Survey 0$ S11,100.00 2 Metes and Bounds Survey-CobbFendley Plats and Metes and Bounds(1 parcels®$3,302 per parcel) 53,002.00 Subtotal Metes and Bounds Sunny 10 111,102.00 Subtotal Surrey II 81s,00t.0U 13 Environmental Services-act _ _ __ mg __ _ __ 36400.00 CF markup S% 3320 00 CobbFendley Coordination 2 4 4 10 $1,555.00 Subtotal Environmental Services-aol 10 00.278.00 Total Supplemental No.1 SS $23,310.00 Task I Labor I Expanse I Total F. YMS WaYawater Line Supplemental No 1 523.380.00 $23,380.00 CobbFendley Topo Survey•Metes and Bounds $15,082 00 315,032.00 Environmental Services laci) $0,21800 30278.00 TOY Supplemental Fee $23,310.00 $0.00 $23,3110.00 Pape 1 iTT D p d rt'* \-. ':j . , , Q {y L �1 i ik` t w i ' -- --------- \ i "" `i — ... '', epaiLlir 7 rgilli . *646,4 _ Project Area l J EncIE { ' 4 Springt R .ir �!` .! k s .r _..,,...,. .. ,.... _- ,`,' Go Meadows at i. , Cambridge .t ,a '` .+,, ' Heights .. . •.• .,. *a Olf.w • t Picadilly Ridge ` 4.Springbrook Y' - IF` ;„ - _ 49 � tt► , ;, _ Upsize 12-in. to 15-in. wastewater line .�� 'M A • '719lit ! .a R 'lit00 \\' w' -<\ \ .�� i. �" • , f N i9r�ay Qy ,: '.,J • .-- .4.! .„_,„\ . • t. - \ • 02 az zoo 0 cs olio, /; ''','t. , t . . C---.---4111/‘551353 M 44,44,144,k, # .• 41 g , �e . to % t 9^1 4\ % elf ,4,..16.,, . - Ili .--.•--- 4:•••:-;.- a _ ----111-11V-r---.)\ i- ___ ••- 1 .,„ li livit ..,,,, , ., ..f. -,. , , '1lM w I -- -"Ynf -- _.. �-' _/,f ®>71`,. ml k x tbtre A. .4,-.4. ' 4'4%14 .,, • • <`' .rrr•:Sd ''d' • Manhole iimio Proposed Project Alignment State Highway 45 and A.W. Grimes Wastewater Line Upsize oUNORo�KTEXAS CORR Wastewater Line ...o.,,4,...,..,