28 SP-2024-0356C - ACCX - Convention Center C1 Staff Report Part 1

Planning Commission – March 25, 2025

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PLANNING COMMISSION SITE PLAN REVIEW SHEET CASE NUMBER: SPC-2024-0356C PC COMMISSION DATE: March 25, 2025 PROJECT NAME: ACCX - Convention Center C1 ADDRESS: 500 E Cesar Chavez DISTRICT: 9 NEIGHBORHOOD PLAN: Downtown WATERSHED: Waller Creek (Urban Watershed) AREA: 16.66 acres limits of construction APPLICANT: AGENT: Riley Triggs, Project Manager City of Austin, Capital Delivery Services 6800 Burleson Rd, Bldg 312, Ste 200 Austin, TX 78744 Matt Langley, PE GarzaEMC, LLC 7708 Rialto Blvd, Ste 125 Austin, TX 78735 CASE MANAGER: Meg Greenfield, (512) 978-4663, meg.greenfield@austintexas.gov EXISTING ZONING: Central Business District (CBD) PROPOSED USE: For this site plan, the applicant is proposing the demolition, excavation, and shoring of the existing convention center. A second site plan will include the construction of a new convention center and will also require Planning Commission recommendation and City Council approval. Additional notice will be sent at that time. This site plan is for demolition, excavation, shoring work, and diaphragm wall work. REQUEST: This site is zoned CBD with a Convention Center use. To comply with LDC Section 25-2-581 this site plan must be approved by City Council, and therefore requires a recommendation from Planning Commission. § 25-2-581 - CENTRAL BUSINESS DISTRICT (CBD) DISTRICT REGULATIONS. (A) This section applies in a central business (CBD) district. (B) Notwithstanding any other provision of this chapter, the requirements of Article 10 (Compatibility Standards) do not apply. (C) This subsection applies to a convention center use. (1) council approval is required for a site plan for a convention center use. Approval of a site plan: (a) establishes the site development regulations; and (b) waives regulations that are inconsistent with the site plan, if any. (2) A public hearing is required for each site plan considered under this subsection. 28 SP-2024-0356C - ACCX - Convention Center C11 of 56(3) The director shall give notice of a public hearing required by this subsection in accordance with Section 25-1-132(C) (Notice of Public Hearing). (D) Commercial off-street parking is a permitted use when it constitutes less than 50 percent of the parking spaces in a parking structure. Source: Section 13-2-661; Ord. 990225-70; Ord. 031211-11; Ord. 20130411-061. WAIVER REQUEST: There are no waiver requests with this application. SUMMARY STAFF RECOMMENDATION: Staff recommends approval of this site plan. PLANNING COMMISSION ACTION: TBD LEGAL DESCRIPTION: ALL OF BLOCKS 9, 14, 15, 33, 34 AND LOTS 1, 2, 3, 6, 7, AND 8, OF BLOCK 10, INCLUDING THE ALLEYS AND VACATED PORTIONS OF EAST 2ND STREET, EAST 3RD STREET, AND NECHES STREET, ALSO INCLUDING PART OF EAST CESAR CHAVEZ STREET, AND A PORTION OF TRINITY STREET IN THE ORIGINAL CITY OF AUSTIN, TRAVIS COUNTY, TEXAS. ALLOWED IMPERVIOUS COVER: 100% EXISTING IMPERVIOUS COVER: 90% PROPOSED IMPERVIOUS COVER: 0% SUMMARY COMMENTS ON SITE PLAN: All reviews are approved except for site plan and fire, which are informal: Outstanding Review Outstanding Items Site Plan Fire PC & Council approval Correcting text/typo ***This site plan is still in review. The site development permit will not be issued until all reviews are approved*** ZONING OVERLAYS: ADU Approximate Area Reduced Parking Convention Center Downtown Austin Plan Districts: Waller Creek Downtown Density Bonus: FAR - 25 | No Max Height Downtown Creeks: WALLER Downtown Parks: BRUSH SQUARE ETOD Overlay: Subdistrict 1 Green Building Mandatory: Central Business District/Downtown Mixed Use Residential Design Standards: LDC/25-2-Subchapter F Transit Oriented Development: CONVENTION CENTER Selected Sign Ordinances Selected Sound Ordinances SURROUNDING CONDITIONS: North: Fire Station & Museum & Hotel (P & CBD) East: Commercial & Hotel & Park (CBD) 28 SP-2024-0356C - ACCX - Convention Center C12 of 56West: Multifamily & Commercial (CBD) South: Multifamily & Commercial & Waterloo Greenway (CBD) NEIGHBORHOOD ORGANIZATION: Austin Independent School District Austin Lost and Found Pets Austin Neighborhoods Council City of Austin Downtown Commission, Downtown Austin Alliance Downtown Austin Neighborhood Assn. (DANA) Friends of Austin Neighborhoods Friends of the Emma Barrientos MACC Greater East Austin Neighborhood Association Homeless Neighborhood Association Lower Waller Creek, Neighborhood Empowerment Foundation Overton Family Committee Preservation Austin Red Line Parkway Initiative SELTexas Save Our Springs Alliance Sierra Club Austin Regional Group Waller District Staff Liaison Waterloo Greenway 28 SP-2024-0356C - ACCX - Convention Center C13 of 56EFGH IJKLGFJM (cid:0)(cid:1)(cid:2)(cid:1)(cid:3)(cid:4) (cid:5)(cid:6)(cid:7)(cid:8)(cid:9)(cid:6)(cid:10)(cid:11) (cid:12)(cid:13)(cid:6)(cid:14)(cid:15)(cid:16)(cid:14)(cid:17)(cid:10)(cid:14)(cid:7)(cid:18) (cid:19)(cid:20)(cid:21)(cid:21)(cid:22)(cid:5)(cid:20)(cid:23)(cid:5)(cid:24)(cid:25)(cid:26) (cid:27)(cid:8)(cid:8)(cid:6)(cid:28)(cid:14)(cid:15)(cid:28)(cid:29)(cid:22)(cid:30)(cid:14)(cid:15)(cid:10)(cid:6)(cid:14)(cid:17)(cid:10)(cid:15) (cid:31) (cid:27)(cid:30)(cid:22)(cid:5)(cid:28)(cid:6)(cid:17)(cid:9)(cid:29)(cid:15) (cid:12)(cid:13)(cid:6)(cid:14)(cid:15)(cid:16)(cid:14)(cid:17)(cid:10)(cid:14)(cid:7)(cid:18)(cid:15)(cid:22)(cid:19)(cid:14)(cid:29)(cid:29) (cid:12)(cid:13)(cid:6)(cid:14)(cid:15)(cid:16)(cid:14)(cid:17)(cid:10)(cid:14)(cid:7)(cid:18) (cid:19)(cid:20)(cid:21)(cid:21)(cid:22)(cid:5)(cid:20)(cid:23)(cid:5)(cid:24)(cid:25)(cid:26) !"#(cid:1)$ % &%%% ’%%% () @ABACDC@ *+,$-./"(cid:4)01#-,$-2"/-,(cid:3)2"/34#,"(cid:3)45-.0/."$(cid:1)$-4(cid:3)(cid:4)-346-(cid:3)"#-+47(cid:1)-8(cid:1)(cid:1)(cid:3)-./(cid:1).4/(cid:1)(cid:4)-2"/-"/-8(cid:1)-$0,#485(cid:1)-2"/-5(cid:1)(cid:2)459-(cid:1)(cid:3)(cid:2),(cid:3)(cid:1)(cid:1)/,(cid:3)(cid:2)9-"/ $0/7(cid:1)6,(cid:3)(cid:2)-.0/."$(cid:1)$:-;#-(cid:4)"(cid:1)$-(cid:3)"#-/(cid:1)./(cid:1)$(cid:1)(cid:3)#-4(cid:3)-"(cid:3)<#+(cid:1)<(cid:2)/"0(cid:3)(cid:4)-$0/7(cid:1)6:-*+,$-./"(cid:4)01#-+4$-8(cid:1)(cid:1)(cid:3)-./"(cid:4)01(cid:1)(cid:4)-86-#+(cid:1)-=,#6-"2->0$#,(cid:3)-2"/ #+(cid:1)-$"5(cid:1)-.0/."$(cid:1)-"2-(cid:2)(cid:1)"(cid:2)/4.+,1-/(cid:1)2(cid:1)/(cid:1)(cid:3)1(cid:1):-!"-?4//4(cid:3)#6-,$-34(cid:4)(cid:1)-86-#+(cid:1)-=,#6-"2->0$#,(cid:3)-/(cid:1)(cid:2)4/(cid:4),(cid:3)(cid:2)-$.(cid:1)1,2,1-4110/416-"/ 1"3.5(cid:1)#(cid:1)(cid:3)(cid:1)$$: 28 SP-2024-0356C - ACCX - Convention Center C14 of 56 August 28, 2024 City of Austin Development Services 6310 Wilhelmina Delco Drive Austin, Texas 78752 Re: ACCX - Demolition and Excavation -Summary Letter 500 E. 3rd St. Austin, Travis County, Texas, 78701 Dear Staff, We are submitting a consolidated site plan application for the ACCX Demolition and Excavation Project. The project site is located on a site bound by Trinity Street to the west, 4th Street to the north, Red River to the east and W. Cesar Chavez to the south (totaling 14.1475 acres of land). The tract is located within the full purpose limits of the City of Austin and is zoned CBD (Central Business District). The site consists of all of Blocks 9, 14, 15, 33, 34 and lots 1,2,3,6,7, and 8, of block 10, including the alleys and vacated portions of East 2nd Street, East 3rd Street, and Neches Street, also including a portion of East Cesar Chavez Street and a portion of Trinity Street int the Original City of Ausitn, Travis County, Texas. The site is currently developed with a convention center. The site has public sidewalks around the perimeter of the property adjacent to the right-of-way and a Capmetro Rail Station to the north on 4th Street. According to the Federal Insurance Rate Map community panel number 48453C0465K Eff. Date 1/22/2020, the site is currently located within the 100-year FEMA floodplain. Per LOMR 21-06-2164P Eff. Date 9/22/2022, once the Waller Creek Greenway improvements currently under construction have been completed, the site will then lie outside of said 100-year floodplain. The final site conditions for this project will be an excavated hole with shoring walls in preparation for the construction of the new convention center. A dewatering plan will be implemented. All civil engineering design work performed for this ACCX project, including demolition, will conform to the design criteria specified by the Owner’s Project Requirements, as well as City of Austin and state codes, where applicable. The existing building will be demolished on the property. Additional demolition scope for ACCX includes, but is not limited to, the following: underground building foundations, concrete curb and gutter, concrete driveways, asphalt driveways, concrete sidewalks, light poles, underground/overhead electric infrastructure, underground telecommunications/data infrastructure, underground gas infrastructure, storm drainage infrastructure, water and GarzaEMC | Arboretum Plaza I, 9442 Capital of TX HWY N, Suite 315 | Austin, TX 78759 | 512.298.3284 www.garzaemc.com | TBPE No. F-14629 28 SP-2024-0356C - ACCX - Convention Center C15 of 56 wastewater infrastructure, chilled water infrastructure, signage, all existing storm and utility infrastructure onsite is to be demolished. If you should have any questions or comments regarding this waiver request, please do not hesitate to contact our office. Sincerely, Matt Langley Senior Consultant GarzaEMC, LLC 28 SP-2024-0356C - ACCX - Convention Center C16 of 56 This Master Comment Report includes all staff comments received to date about your most recent site plan submittal. The comments may include requirements, recommendations, or information. The requirements in this report must be addressed by an updated site plan submittal. Case Number: SPC-2024-0356C Revision #: 00 Case Manager: Meg Greenfield Phone #: Project Name: ACCX - Convention Center C1 Location: 500 E CESAR CHAVEZ ST Submittal Date: March 6, 2025 Report Due Date: March 19, 2025 Final Report Date: March 17, 2025 Update Deadline (Expiration Date): November 26, 2025 Final Update Deadline [LDC § 25-5-113]: Update: U1 Email: meg.greenfield@austintexas.gov • Failure to submit a final update by the deadline will result in the automatic denial of the application, unless: (1) The site plan application has been approved; or (2) A request for an extension has been granted. [LDC § 25-1-82(F)] • If the deadline falls on a weekend or City of Austin holiday, the next City of Austin workday will be the deadline. • The applicant or their agent is responsible for updating this site plan application and clearing all comments. Update Submittals: • An informal update submittal is required. PuPr updates are submitted through Bluebeam. Please upload your documents to the appropriate folder in your Bluebeam project. o Site--SP Formal Review--Update 2. o Once your upload is complete, email PuPRIntake@austintexas.gov for distribution to reviewers. • Updates submitted after 3:00 p.m. may be processed on the following business day. • A written response to every comment is required in addition to the updated plan set. • More comments may be generated as a result of information or design changes provided in your update. Site Plan Approval: • The site plan will be approved when all requirements from each review discipline have been addressed. 28 SP-2024-0356C - ACCX - Convention Center C17 of 56Fire For Site Plan : Anne Bourland Site Plan Review: Meg Greenfield REVIEWERS: City Arborist Review – Jim Rooni jim.rooni@austintexas.gov 03/07/2025 Update 1 Note: Please e-mail me if you have any questions, concerns, or require additional information about these comments: Jim.Rooni@austintexas.gov. You may also e-mail me if you would like to schedule a phone or virtual meeting to clarify the review comments. Updates cannot be reviewed outside of the update review cycle. CA1 – Current Status: Comment Cleared • U1: Comment Cleared. • U0: Administrative Variance An administrative variance will be required before the removal of Tree # 7782 – 24.0” American Elm. If not dead, diseased or an imminent hazard, clearly show that the tree prevents reasonable use or access of the property and that all design options have been exhausted. Reference: LDC Section 25-8-642 CA2 – Current Status: Comment Cleared • U1: Comment Cleared. • U0: Land Use Commission Variance A Commission Variance will be required before the removal of Tree # 7712 – 33.0” American Elm. Unless dead, diseased, or an imminent hazard, the variance process for a tree 30” dia. and greater requires a public hearing before the Environmental Commission to determine if the trees can be removed. Modify the plans so these trees meet tree preservation criteria per ECM Section 3.5.2. Reference: LDC 25-8-641 Add a note onto sheet 35 stating the total mitigation inches that will be planted under a different plan and reference that site plan permit number (if applicable). CA3 – Current Status: Comment Cleared • U1: Comment Cleared • U0: Fiscal Surety Drainage Engineering Review – Juany Benitez 512-974-4694 - juany.benitez@austintexas.gov FYI – Current Status: For Information Only • Release of this application does not constitute a verification of all data, information, and calculations supplied by the applicant. The engineer of record is solely responsible for the 28 SP-2024-0356C - ACCX - Convention Center C18 of 56Project Name: ACCX - Convention Center C1 Address: 500 E CESAR CHAVEZ ST File Number: SPC-2024-0356C completeness, accuracy, and adequacy of his/her submittal, whether or not the application is reviewed for code compliance by city engineers. DE 0 – Current Status: Cleared • U1: Description provided indicates that changes have been made to the drainage area maps, dewatering details are included in the plans, and the Engineering and Drainage Report includes a discussion on managing the 2-yr storm. • U0: Provide a description of any changes made to the drainage design since the last update. If necessary, provide an updated engineering report to reflect those changes. DE 1 – Current Status: Cleared • U1: All Drainage Comments have been addressed. • U0: If a comment does not apply to this application or has already been addressed, please provide a description of why the comment does not apply. Responses should provide a detailed narrative describing how a comment has been addressed and specify on which sheet(s) any changes were made. DE 2 – Current Status: Cleared • U1: Reference revised. • `U0: Revise the reference for the site plan regarding the drainage improvements in Waller Creek, which are currently under construction, to state “Waterloo Greenway – Creek Delta.” This modification is necessary to ensure consistency with the plans approved under SPC-2019- 0400D. DE 3 – Current Status: Cleared • U1: Comment addressed. • U0: Provide a discussion of compliance with 2-year peak flow control in the engineering report, as determined under the Drainage Criteria Manual and the Environmental Criteria Manual. a. Per consultant’s response to the Pre-submittal (90%) review comment, this information was added. However, this information was not found in the Engineering and Drainage Report. DE 4 – Current Status: Cleared • U1: Inconsistencies were addressed. • U0: Address the inconsistency in the land areas between the existing and proposed Drainage Area Maps for POI#1 DE 5 – Current Status: Cleared • U1: Modifications were made to merge the Proposed Drainage Area Map with the Excavation Dewatering Plan, clarifying that only the 2-yr storm will discharge into the designated PO!s. Additionally, a table comparing the existing/proposed flow rates has also been added. • U0: Explain why the Mass Excavation Dewatering Plan sheet must include peak discharge calculations for the 10-, 25-, 100- and 500-yr storm frequency events. According to the Proposed Conditions section in the Engineering and Drainage Report, the dewatering activities will not discharge more than the 2-year storm into the storm drain adjacent to the site. 28 SP-2024-0356C - ACCX - Convention Center C19 of 56Project Name: ACCX - Convention Center C1 Address: 500 E CESAR CHAVEZ ST File Number: SPC-2024-0356C DE 6 – Current Status: Cleared • U1: Temporary inlets will be installed on the disconnected storm lines. • U0: The location of POI #1 on the Proposed Drainage Area Map is not clear. The existing 27- inch SD will be capped at the property line according to the Utility Demolition Plan E sheet. Please explain how stormwater from the excavated area DW1 will be pumped to discharge at POI #1. a. Please note that pumped stormwater shouldn’t discharge water laden with sediment or debris into Waller Creek of the “Waterloo Greenway Creek Delta” pond. U1: Before the water flows the temporary inlets, temporary sedimentation control measures will be implemented at the outlets. Cleared. DE 7 – Current Status: Cleared • U1: Comment addressed. • U0: The LOC as depicted on the Demolition Plans encroaches on the erosion hazard zone (EHZ). If the proposed demolition or excavation encroaches on the EHZ, a Level 2 analysis along with protective works in accordance with DCM Appendix E will be required. a. Per consultant’s response to the Pre-submittal (90%) review comment, an approved EHZ Waiver was provided. The waiver was not received. b. In lieu of the EHZ Analysis, the engineer of record needs to write a memo stating that it is their professional opinion that protective works are adequate and sufficiently stable to provide protection for the activities described in C-1. U1: Correspondence from WPD was received clearing the EHZ comment due to the existing protective works and the scope of the work for this site plan. DE 8 – Current Status: Cleared • U1: Information provided. • U0: Provide Atlas 14 Intensity-Duration-Frequency values used for hydrologic calculations per DCM Table 2-2A or 2-2B. DE 9 – Current Status: Cleared • U1: This comment was deferred to Floodplain Review. • U0: It appears that there are concentrated flows and/or floodplain through the property. A drainage easement is required to the limits of the 100-year fully developed flow elevation. The proposed drainage easement must meet the minimum easement width requirements. The standard drainage easement document may be found through the following link: https://www.austintexas.gov/department/forms-applications#easement. Easements will be submitted to legal for review once design related comments are cleared. LDC 25-7-152; DCM 1.2.4(G) FYI – Current Status: For Information Only • FYI. Additional comments may be generated from new material submitted during your next update. PARD / Planning & Design Review – Barry Simons (512) 974-9390 - barry.simons@austintexas.gov 28 SP-2024-0356C - ACCX - Convention Center C110 of 56Project Name: ACCX - Convention Center C1 Address: 500 E CESAR CHAVEZ ST File Number: SPC-2024-0356C 03/13/2025: PR 1 – Current Status: Cleared. • U1: Comment cleared. • U0: Please label all sheets involving City parkland as follows: City of Austin (Parkland) PR 2 - Current Status: Cleared. • U1: Comment cleared. • U0: Please confirm that LOC and tie- backs are not on parkland. NOTE IF LOC ENCROACHES ON PARKLAND IT TRIGGERS CH 26 PROCESS Addressing Review – Brystin Herbeck (512) 974-7709 - brystin.herbeck@austintexas.gov AD1 – Current Status: Complete • R1 Address of project is accurate. Once the Demo permit has been completed we can remove the additional addressing from project that is no longer needed. Drainage Engineering Review – Juany Benitez 512-974-4694 - juany.benitez@austintexas.gov FYI – Current Status: For Information Only • Release of this application does not constitute a verification of all data, information, and calculations supplied by the applicant. The engineer of record is solely responsible for the completeness, accuracy, and adequacy of his/her submittal, whether or not the application is reviewed for code compliance by city engineers. DE 0 – Current Status: Cleared • U1: Description provided indicates that changes have been made to the drainage area maps, dewatering details are included in the plans, and the Engineering and Drainage Report includes a discussion on managing the 2-yr storm. • U0: Provide a description of any changes made to the drainage design since the last update. If necessary, provide an updated engineering report to reflect those changes. DE 1 – Current Status: Cleared • U1: All Drainage Comments have been addressed. 28 SP-2024-0356C - ACCX - Convention Center C111 of 56Project Name: ACCX - Convention Center C1 Address: 500 E CESAR CHAVEZ ST File Number: SP-2024-0356C • U0: If a comment does not apply to this application or has already been addressed, please provide a description of why the comment does not apply. Responses should provide a detailed narrative describing how a comment has been addressed and specify on which sheet(s) any changes were made. DE 2 – Current Status: Cleared • U1: Reference revised. • `U0: Revise the reference for the site plan regarding the drainage improvements in Waller Creek, which are currently under construction, to state “Waterloo Greenway – Creek Delta.” This modification is necessary to ensure consistency with the plans approved under SPC-2019-0400D. DE 3 – Current Status: Cleared • U1: Comment addressed. • U0: Provide a discussion of compliance with 2-year peak flow control in the engineering report, as determined under the Drainage Criteria Manual and the Environmental Criteria Manual. b. Per consultant’s response to the Pre-submittal (90%) review comment, this information was added. However, this information was not found in the Engineering and Drainage Report. DE 4 – Current Status: Cleared • U1: Inconsistencies were addressed. • U0: Address the inconsistency in the land areas between the existing and proposed Drainage Area Maps for POI#1 DE 5 – Current Status: Cleared • U1: Modifications were made to merge the Proposed Drainage Area Map with the Excavation Dewatering Plan, clarifying that only the 2-yr storm will discharge into the designated PO!s. Additionally, a table comparing the existing/proposed flow rates has also been added. • U0: Explain why the Mass Excavation Dewatering Plan sheet must include peak discharge calculations for the 10-, 25-, 100- and 500-yr storm frequency events. According to the Proposed Conditions section in the Engineering and Drainage Report, the dewatering activities will not discharge more than the 2-year storm into the storm drain adjacent to the site. DE 6 – Current Status: Cleared • U1: Temporary inlets will be installed on the disconnected storm lines. • U0: The location of POI #1 on the Proposed Drainage Area Map is not clear. The existing 27-inch SD will be capped at the property line according to the Utility Demolition Plan E sheet. Please explain how stormwater from the excavated area DW1 will be pumped to discharge at POI #1. 28 SP-2024-0356C - ACCX - Convention Center C112 of 56Project Name: ACCX - Convention Center C1 Address: 500 E CESAR CHAVEZ ST File Number: SP-2024-0356C b. Please note that pumped stormwater shouldn’t discharge water laden with sediment or debris into Waller Creek of the “Waterloo Greenway Creek Delta” pond. U1: Before the water flows the temporary inlets, temporary sedimentation control measures will be implemented at the outlets. Cleared. DE 7 – Current Status: Cleared • U1: Comment addressed. • U0: The LOC as depicted on the Demolition Plans encroaches on the erosion hazard zone (EHZ). If the proposed demolition or excavation encroaches on the EHZ, a Level 2 analysis along with protective works in accordance with DCM Appendix E will be required. c. Per consultant’s response to the Pre-submittal (90%) review comment, an approved EHZ Waiver was provided. The waiver was not received. d. In lieu of the EHZ Analysis, the engineer of record needs to write a memo stating that it is their professional opinion that protective works are adequate and sufficiently stable to provide protection for the activities described in C-1. U1: Correspondence from WPD was received clearing the EHZ comment due to the existing protective works and the scope of the work for this site plan. DE 8 – Current Status: Cleared • U1: Information provided. • U0: Provide Atlas 14 Intensity-Duration-Frequency values used for hydrologic calculations per DCM Table 2-2A or 2-2B. DE 9 – Current Status: Cleared • U1: This comment was deferred to Floodplain Review. • U0: It appears that there are concentrated flows and/or floodplain through the property. A drainage easement is required to the limits of the 100-year fully developed flow elevation. The proposed drainage easement must meet the minimum easement width requirements. The standard drainage easement document may be found through the following link: https://www.austintexas.gov/department/forms-applications#easement. Easements will be submitted to legal for review once design related comments are cleared. LDC 25-7-152; DCM 1.2.4(G) FYI – Current Status: For Information Only • FYI. Additional comments may be generated from new material submitted during your next update. Fire For Site Plan Review – Anne Bourland (512) 974-2115 - anne.bourland@austintexas.gov 28 SP-2024-0356C - ACCX - Convention Center C113 of 56Project Name: ACCX - Convention Center C1 Address: 500 E CESAR CHAVEZ ST File Number: SPC-2024-0356C FR 1 – Current Status: Pending • U1: Illegible Text The Overall Site Key Map, sheet 12, has added signage along Trinity St since the last update. The text associated with this signage is not legible. Please revise. FR 2 – Current Status: Information Only • U1: The status of this project has been changed to “Informal Update” in AMANDA. This change in status does not imply final approval. The design engineer is responsible for submitting any revised plans. Please coordinate with the case manager to receive final approval signatures and stamps. Site Plan Review – Meg Greenfield meg.greenfield@austintexas.gov SP1 When all comments are cleared, collect signatures/authorizations from reviewers external to the City of Austin, if required. Then coordinate with the Case Manager to circulate the final plan set for City of Austin required signatures. Please allow up to 5 business days for signatures to be completed. NOTE: 28 SP-2024-0356C - ACCX - Convention Center C114 of 56Project Name: ACCX - Convention Center C1 Address: 500 E CESAR CHAVEZ ST File Number: SPC-2024-0356C Any changes to the plan set following the final submittal will require the Case Manager to restart the process of collecting signatures. U1: pending SP2 25-2-581 - CENTRAL BUSINESS DISTRICT (CBD) DISTRICT REGULATIONS. (1) council approval is required for a site plan for a convention center use. Approval of a site plan: (a) establishes the site development regulations; and (b)waives regulations that are inconsistent with the site plan, if any. (2) A public hearing is required for each site plan considered under this subsection. Once almost all design-related comments are cleared we will schedule for council. U1: pending—PC and council are scheduled. SP3 please update submittal date to 9/12/24 U1: cleared. SP4 on sheet 12 provide a site data table with the following information: zoning (CBD, use (convention center), existing and proposed IC, LOC or site area. U1: cleared. FYI: thank you for the note on easements sheet--The City of Austin will not be requiring License Agreements or Encroachment Agreements for ACCX tie backs in the ROW as long as they do not extend past the centerline of the road. The coordination/review for the tie backs will occur within the AULCC process. END OF MASTER COMMENT REPORT Comment Resolution Process: You can submit a Comment Resolution Request if: 1. You have identified two or more comments in your Master Comment Report that conflict with each other; and 2. You do not believe that the comments can be satisfied. Comment Resolution Requests can only be submitted and resolved between review cycles. They cannot be submitted while the site plan is in review. Use the Comment Resolution Request Web Form to submit your request. Questions or Concerns? Contact Us: If you have any questions or concerns or if you require more information about this report, please do not hesitate to contact your Case Manager at the email address listed at the top of this report or by writing to the City of Austin, Development Services Department, P.O. Box 1088, Austin, Texas 78767. 28 SP-2024-0356C - ACCX - Convention Center C115 of 567TH 6TH E P U L A D A U G 5TH O D A R O L O C S S E R G N O C S O Z A R B O T CIN A N J A S A C A V A L 2ND 4TH 3RD CESAR CHAVEZ T S 1 WILLOW L A D Y L A B I R K E D S S E R G N O C Y RINIT T S E H C E N SITE R E D RIV E R 4TH 3RD Park 35 290 Y E AIN R VICINITY MAP COA GRID #J22 (MAPSCO GRID #585W & 585X) N.T.S. OWNER: CITY OF AUSTIN PO BOX 1088 AUSTIN, TEXAS 78767-1088 (512) 978-4000 SITE DEVELOPMENT PERMIT PLANS FOR OWNER REPRESENTATIVE: CITY OF AUSTIN CONVENTION CENTER CONTACT: ROLANDO FERNANDEZ (512) 404-4047 ACCX- DEMO AND EXCAVATION ARCHITECT: ARCHITECT: PAGE 400 W CESAR CHAVEZ ST, SUITE 500 AUSTIN, TEXAS 78701 (512) 472-6721 LMN ARCHITECTS 801 2ND AVE., SUITE 501 SEATTLE, WA 98104 (206) 682-3460 ENGINEER: GarzaEMC, LLC. 7708 RIALTO BLVD, SUITE 125 AUSTIN, TEXAS 78735 (512) 298-3284 OTHER: CAPITAL DELIVERY SERVICES 6800 BURLESON RD, BLDG 312, SUITE 200 AUSTIN, TEXAS 78744 512-974-7220 CONTACT: RILEY TRIGGS WATERSHED STATUS: THIS PROJECT IS LOCATED IN THE WALLER CREEK WATERSHED WHICH IS CLASSIFIED AS AN URBAN WATESHED. THIS PROJECT IS LOCATED OUTSIDE OF THE EDWARDS AQUIFER RECHARGE AND CONTRIBUTING ZONES ACCORDING TO THE TEXAS COMMISSION ON ENVIRONMENTAL QUALITY AND THE CITY OF AUSTIN. THIS SITE WILL BE DEVELOPED, CONSTRUCTED AND MAINTAINED IN CONFORMANCE WITH TERMS AND CONDITIONS OF THE LAND DEVELOPMENT CODE AS OF THE PROJECT APPLICATION DATE. FLOODPLAIN INFORMATION: A PORTION OF THIS PROPERTY IS LOCATED WITHIN THE 100 YEAR FLOODPLAIN, AS SHOWN ON FIRM MAP NO. 48453C0465K, TRAVIS COUNTY, TEXAS AND INCORPORATED AREAS, DATED 1/22/2020 & LOMR 21-06-2164P EFFECTIVE 9/22/2022. LEGAL DESCRIPTION: ALL OF BLOCKS 9, 14, 15, 33, 34 AND LOTS 1, 2, 3, 6, 7, AND 8, OF BLOCK 10, INCLUDING THE ALLEYS AND VACATED PORTIONS OF EAST 2ND STREET, EAST 3RD STREET, AND NECHES STREET, ALSO INCLUDING PART OF EAST CESAR CHAVEZ STREET, AND A PORTION OF TRINITY STREET IN THE ORIGINAL CITY OF AUSTIN, TRAVIS COUNTY, TEXAS. BENCHMARK NOTE: BENCHMARK #103 ELEVATION: 465.65' DESCRIPTION: MAG NAIL WITH "DOUCET CONTROL" SHINER SET IN A CONCRETE SIDEWALK LOCATED APPROXIMATELY 57 FEET NORTHEAST FROM THE INTERSECTION OF 4TH STREET AND RED RIVER STREET. [SHOWN HEREON] BENCHMARK #105 ELEVATION: 474.83' DESCRIPTION: MAG NAIL ON CONCRETE SIDEWALK LOCATED APPROXIMATELY 30 FEET NORTHWEST FROM THE INTERSECTION OF 4TH STREET AND TRINITY STREET. [NOT SHOWN HEREON] BENCHMARK #200 ELEVATION: 463.74' DESCRIPTION: MAG NAIL WITH "DOUCET CONTROL" SHINER SET ON CONCRETE SIDEWALK LOCATED APPROXIMATELY 44 FEET SOUTHWEST FROM THE INTERSECTION OF CESAR CHAVEZ STREET AND TRINITY STREET. [NOT SHOWN HEREON] BENCHMARK #208 ELEVATION: 456.83' DESCRIPTION: MAG NAIL WITH "DOUCET CONTROL" SHINER SET ON CONCRETE SIDEWALK LOCATED APPROXIMATELY 266 FEET NORTHEAST FROM THE INTERSECTION OF CESAR CHAVEZ STREET AND RED RIVER STREET. [SHOWN HEREON] NOTES: 1. 2. IF AT ANY TIME DURING CONTRUCTION OF THIS PROJECT AN UNDERGROUND STORAGE TANK (UST) IS FOUND, CONTRUCTION IN THAT AREA MUST STOP UNTIL A CITY OF AUSTIN UST CONSTRUCTION PERMIT IS APPLIED FOR AND APPROVED. ANY UST REMOVAL WORK MUST BE CONSTRUCTED BY A UST CONTRACTOR THAT IS REGISTERED WITH THE TEXAS COMMISSION ON ENVIRONMENTAL QUALITY (TCEQ). CONTACT ELIZABETH SIMMONS AT ELIZABETH.SIMMONS@AUSTINTEXAS.GOV IF YOU HAVE ANY QUESTIONS [COA TITLE 6]. THIS NOTE IS BEING PLACED ON THE PLAN SET IN THE ABSENCE OF TEMPORARY TRAFFIC CONTROL PLAN (TCP) WITH THE FULL UNDERSTANDING THAT AN ENGINEERED TCP SHALL BE REVIEWED AND APPROVED BY THE RIGHT OF WAY MANAGEMENT DIVISION. FURTHERMORE, A TDCP SHALL BE SUBMITTED TO THE TCP PORTAL FOR REVIEW A MINIMUM OF 6 WEEKS PRIOR TO THE STAR OF CONSTRUCTION. THE APPLICANT/PROJECT REPRESENTATIVE FURTHER RECOGNIZES THAT A TCP REVIEW FEE IS REQUIRED FOR THE INITIAL REVIEW AND ALL RE-REVIEWS, AS PRESCRIBED BY THE MOST CURRENT VERSION OF THE CITY'S FEE ORDINANCE. 3. REFER TO THE "MOBILITY GUIDELINES" FOR DEVELOPING TRAFFIC CONTROL STRATEGIES HTTP:/AUSTINTEXAS.GOV/PAGE/MOBILITY-GUIDLINES. 4. APPROVAL OF THESE PLANS BY THE CITY OF AUSTIN INDICATES COMPLIANCE WITH APPLICABLE CITY REGULATIONS ONLY. APPROVAL BY OTHER GOVERNMENTAL ENTITIES MAY BE REQUIRED PRIOR TO THE START OF CONSTRUCTION. THE APPLICANT IS RESPONSIBLE FOR DETERMINING WHAT ADDITIONAL APPROVALS MAY BE NECESSARY. OTHER GOVERNMENTAL ENTITIES MAY INCLUDE, BUT NOT LIMITED TO, THE COUNTY, TxDOT, TCEQ, COUNTY FIRE MARSHAL (OR APPLICABLE ESD), MUDS, ETC. 5. RELEASE OF THIS APPLICATION DOES NOT CONSTITUTE A VERIFICATION OF ALL DATA, INFORMATION, AND CALCULATIONS SUPPLIED BY THE APPLICANT. THE ENGINEER OF RECORD IS SOLELY RESPONSIBLE FOR THE COMPLETENESS, ACCURACY AND ADEQUACY OF HIS/HER SUBMITTAL, WHETHER OR NOT APPLICATION IS REVIEWED FOR CODE COMPLIANCE BY CITY ENGINEERS. FILE NO. : SP-2024-0356C UCC CASE NO. : UCC-24048-12-02 ADDRESS : 500 E 3RD STREET SUBMITTAL DATE : SEPTEMBER 12, 2024 SUBMITTED BY : JONATHAN E. MCKEE, P.E. GarzaEMC, LLC. 7708 RIALTO BLVD, SUITE 125 AUSTIN, TEXAS 78735 (512) 298-3284 DATE PLAN SUBMITTALS: NO. DATE COMMENTS 7708 Rialto Blvd., Suite 125 Austin, Texas 78735 Tel. (512) 298-3284 Fax (512) 298-2592 TBPE # F-14629 GarzaEMC, LLC © Copyright 2025 I, JONATHAN E. MCKEE, P.E., CERTIFY THAT THESE ENGINEERING DOCUMENTS ARE COMPLETE, ACCURATE AND ADEQUATE FOR THE INTENDED PURPOSES, INCLUDING CONSTRUCTION, BUT ARE NOT AUTHORIZED FOR CONSTRUCTION PRIOR TO FORMAL CITY APPROVAL. SHEET LIST NO. DESCRIPTION REVISE (R) ADD (A) VOID (V) SHEET NO.'S TOTAL # SHEETS IN PLAN SET NET CHANGE IMP. COVER (sq. ft.) TOTAL SITE IMP. COVER (sq. ft.) [%] CITY OF AUSTIN APPROVAL/DATE DATE IMAGED APPROVED FOR ACCEPTANCE: DEVELOPMENT SERVICES DEPARTMENT CITY OF AUSTIN FIRE DEPARTMENT AUSTIN WATER UTILITY DEPARTMENT DATE DATE DATE SHEET 1 OF 41 CONFIDENTIAL SP-2024-0356C I N O T A V A C X E D N A O M E D - X C C A M P 6 3 : 2 5 2 , 5 r a M . n o a z u o b p y b d e i f i d o m g w d R V C - 1 8 0 0 0 - 6 4 7 2 0 1 D A C - 0 0 \ l i \ i v C \ 1 8 0 0 0 - 6 4 7 2 0 1 \ : V 28 SP-2024-0356C - ACCX - Convention Center C116 of 56DEMOLITION NOTES: “ ” ’ ’ ’ – 2 9 5 2 - 8 9 2 ) 2 1 5 ( x a F 4 8 2 3 - 8 9 2 ) 2 1 5 ( . l e T 5 2 0 2 t h g i r y p o C © C L L , C M E a z r a G 9 2 6 4 1 - F # E P B T 5 2 1 e t i u S , . l d v B o t l i a R 8 0 7 7 5 3 7 8 7 s a x e T , n i t s u A I N O S V E R I . O N E T A D S E T O N L A R E N E G I N O T A V A C X E D N A O M E D - X C C A T E E R T S D R 3 E 0 0 5 I N T S U A F O Y T C I 1 8 0 0 0 - 6 4 7 2 0 1 : . O N T C E J O R P : Y B D E N G S E D I : Y B N W A R D : C Q / A Q SHEET 2 OF 41 M P 1 1 : 6 5 2 , 3 r a M l l n o y e g n a m y b d e i f i d o m g w d . S E T O N - 1 8 0 0 0 - 6 4 7 2 0 1 \ D A C - 0 0 \ l i i v C \ 1 8 0 0 0 - 6 4 7 2 0 1 \ : V CONFIDENTIAL SP-2024-0356C 28 SP-2024-0356C - ACCX - Convention Center C117 of 562 9 5 2 - 8 9 2 ) 2 1 5 ( x a F 4 8 2 3 - 8 9 2 ) 2 1 5 ( . l e T 5 2 0 2 t h g i r y p o C © C L L , C M E a z r a G 9 2 6 4 1 - F # E P B T 5 2 1 e t i u S , . l d v B o t l i a R 8 0 7 7 5 3 7 8 7 s a x e T , n i t s u A I N O S V E R I . O N E T A D T A L P I N O T A V A C X E D N A O M E D - X C C A T E E R T S D R 3 E 0 0 5 I N T S U A F O Y T C I 1 8 0 0 0 - 6 4 7 2 0 1 : . O N T C E J O R P : Y B D E N G S E D I : Y B N W A R D : C Q / A Q SHEET 3 OF 41 M P 0 1 : 6 5 2 , 3 r a M n o a z u o b p y b d e i f i d o m g w d . T A L P - 1 8 0 0 0 - 6 4 7 2 0 1 \ D A C - 0 0 \ l i i v C \ 1 8 0 0 0 - 6 4 7 2 0 1 \ : V CONFIDENTIAL SP-2024-0356C 28 SP-2024-0356C - ACCX - Convention Center C118 of 56A Kleinfelder Company Civil Engineering // Entitlements // Geospatia l 7401 B. Highway 71 W, Ste. 160 Austin, TX 78735, Tel: (512)-583-2600 www.doucetengineers.com TBPE Firm Number: 3937 TBPELS Firm Number: 10194551 441SHEETOF28 SP-2024-0356C - ACCX - Convention Center C119 of 56A Kleinfelder Company Civil Engineering // Entitlements // Geospatia l 7401 B. Highway 71 W, Ste. 160 Austin, TX 78735, Tel: (512)-583-2600 www.doucetengineers.com TBPE Firm Number: 3937 TBPELS Firm Number: 10194551 541SHEETOF28 SP-2024-0356C - ACCX - Convention Center C120 of 56A Kleinfelder Company Civil Engineering // Entitlements // Geospatia l 7401 B. Highway 71 W, Ste. 160 Austin, TX 78735, Tel: (512)-583-2600 www.doucetengineers.com TBPE Firm Number: 3937 TBPELS Firm Number: 10194551 641SHEETOF28 SP-2024-0356C - ACCX - Convention Center C121 of 56A Kleinfelder Company Civil Engineering // Entitlements // Geospatia l 7401 B. Highway 71 W, Ste. 160 Austin, TX 78735, Tel: (512)-583-2600 www.doucetengineers.com TBPE Firm Number: 3937 TBPELS Firm Number: 10194551 741SHEETOF28 SP-2024-0356C - ACCX - Convention Center C122 of 56A Kleinfelder Company Civil Engineering // Entitlements // Geospatia l 7401 B. Highway 71 W, Ste. 160 Austin, TX 78735, Tel: (512)-583-2600 www.doucetengineers.com TBPE Firm Number: 3937 TBPELS Firm Number: 10194551 841SHEETOF28 SP-2024-0356C - ACCX - Convention Center C123 of 56A Kleinfelder Company Civil Engineering // Entitlements // Geospatia l 7401 B. Highway 71 W, Ste. 160 Austin, TX 78735, Tel: (512)-583-2600 www.doucetengineers.com TBPE Firm Number: 3937 TBPELS Firm Number: 10194551 941SHEETOF28 SP-2024-0356C - ACCX - Convention Center C124 of 56A Kleinfelder Company Civil Engineering // Entitlements // Geospatia l 7401 B. Highway 71 W, Ste. 160 Austin, TX 78735, Tel: (512)-583-2600 www.doucetengineers.com TBPE Firm Number: 3937 TBPELS Firm Number: 10194551 1041SHEETOF28 SP-2024-0356C - ACCX - Convention Center C125 of 56A Kleinfelder Company Civil Engineering // Entitlements // Geospatia l 7401 B. Highway 71 W, Ste. 160 Austin, TX 78735, Tel: (512)-583-2600 www.doucetengineers.com TBPE Firm Number: 3937 TBPELS Firm Number: 10194551 05/03/20241141SHEETOF28 SP-2024-0356C - ACCX - Convention Center C126 of 56F /// /// /// /// /// /// /// / / / /// SITE DATA TABLE ITEM QTY. T E E R T S S E H C E N 0' R.O.W.) (8 EAST 4TH STREET (80' R.O.W.) A B EAST 3RD STREET (80' R.O.W.) T E E R T Y S RINIT T 0' R.O.W.) (8 EAST 2ND STREET (80' R.O.W.) /// 0 0 0 0 /// /// /// /// /// /// /// / / / EAST 3RD STREET /// / / / /// /// /// /// /// /// /// /// /// /// /// T E E R T R S E D RIV E R l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l /// l l l l l l l l l l l l l l l l l l l l l l l l 00 l l l l l l l l l l l l l l l l l l l l l l l l l 0 0 EAST 2ND STREET (80' R.O.W.) / / / / / / / / / / / / / / / C E D K E E R R C E L L A W M B /// / / / / / / /// / / / / / / / / / /// /// /// /// / / / /// / / / / / / /// / / / / / / / / / /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// E. CESAR CHAVEZ STREET (80' R.O.W.) /// / / / /// / / / / / / 0 0 /// / / / / / / /// 2 9 5 2 - 8 9 2 ) 2 1 5 ( x a F 4 8 2 3 - 8 9 2 ) 2 1 5 ( . l e T 5 2 0 2 t h g i r y p o C © C L L , C M E a z r a G 9 2 6 4 1 - F # E P B T 5 2 1 e t i u S , . l d v B o t l i a R 8 0 7 7 5 3 7 8 7 s a x e T , n i t s u A I N O S V E R I . O N E T A D P A M Y E K E T S L L A R E V O I I N O T A V A C X E D N A O M E D - X C C A T E E R T S D R 3 E 0 0 5 I N T S U A F O Y T C I 1 8 0 0 0 - 6 4 7 2 0 1 : . O N T C E J O R P : Y B D E N G S E D I : Y B N W A R D : C Q / A Q SHEET 12 OF 41 M A 3 0 : 1 1 5 2 , 9 1 b e F n o a z u o b p y b d e i f i d o m g w d . D N O C X E - 1 8 0 0 0 - 6 4 7 2 0 1 \ D A C - 0 0 \ l i i v C \ 1 8 0 0 0 - 6 4 7 2 0 1 \ : V THE LOCATION OF EXISTING UNDERGROUND UTILITIES ARE SHOWN IN AN APPROXIMATE WAY ONLY. THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF ALL EXISTING UTILITIES BEFORE COMMENCING WORK. HE AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES WHICH MIGHT BE OCCASIONED BY HIS FAILURE TO EXACTLY LOCATE AND PRESERVE ANY AND ALL UNDERGROUND UTILITIES. CONFIDENTIAL SP-2024-0356C 28 SP-2024-0356C - ACCX - Convention Center C127 of 56BLOCK 40 ZONING: CBD PUBLIC SQUARE ZONING: CBD BLOCK 39 ZONING: CBD BLOCK 38 ZONING: CBD T E E R T S S E H C E N 0' R.O.W.) (8 EAST 4TH STREET (80' R.O.W.) BLOCK 32 ZONING: CBD BLOCK 33 ZONING: CBD BLOCK 34 ZONING: CBD BLOCK 35 ZONING: CBD NOTE: THERE ARE NO EASEMENTS PROPOSED WITH THIS PROJECT. ALL EASEMENTS SHOWN ON THIS PLAN ARE EXISTING. /// 0 0 0 0 /// /// /// /// /// /// /// / / / /// /// /// /// /// /// /// /// / / / EAST 3RD STREET /// / / / /// /// /// /// /// /// /// /// /// /// /// T E E R T R S E D RIV E R l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l BLOCK 13 ZONING: CBD /// l l l l l l l l l l l l l l l l l l l l l l l l l l l l l 00 l l l l l l l l l l l l l l l l l l l l l l l l l / / / / / / / / / / / / / / / 0 0 EAST 2ND STREET (80' R.O.W.) BLOCK 11 ZONING: CBD-CURE EAST 3RD STREET (80' R.O.W.) BLOCK 16 ZONING: CBD T E E R T Y S RINIT T 0' R.O.W.) (8 BLOCK 15 ZONING: CBD BLOCK 14 ZONING: CBD EAST 2ND STREET (80' R.O.W.) BLOCK 8 ZONING: CBD BLOCK 9 ZONING: CBD BLOCK 10 ZONING: CBD K E E R R C E L L A W /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// ZONING: CBD-CURE /// ZONING: CBD-CURE E. CESAR CHAVEZ STREET (80' R.O.W.) /// / / / / / / / / / 0 0 /// / / / / / / /// M B /// / / / / / / /// / / / / / / / / / /// /// /// /// / / / /// / / / / / / /// / / / / / / / / / 2 9 5 2 - 8 9 2 ) 2 1 5 ( x a F 4 8 2 3 - 8 9 2 ) 2 1 5 ( . l e T 5 2 0 2 t h g i r y p o C © C L L , C M E a z r a G 9 2 6 4 1 - F # E P B T 5 2 1 e t i u S , . l d v B o t l i a R 8 0 7 7 5 3 7 8 7 s a x e T , n i t s u A I N O S V E R I . O N E T A D N A L P T N E M E S A E G N T S X E I I I N O T A V A C X E D N A O M E D - X C C A T E E R T S D R 3 E 0 0 5 I N T S U A F O Y T C I 1 8 0 0 0 - 6 4 7 2 0 1 : . O N T C E J O R P : Y B D E N G S E D I : Y B N W A R D : C Q / A Q SHEET 13 OF 41 M P 3 1 : 2 5 2 , 5 b e F l n o a r b a e d p y b d e i f i d o m g w d . T M S E - 1 8 0 0 0 - 6 4 7 2 0 1 \ D A C - 0 0 \ l i i v C \ 1 8 0 0 0 - 6 4 7 2 0 1 \ : V THE LOCATION OF EXISTING UNDERGROUND UTILITIES ARE SHOWN IN AN APPROXIMATE WAY ONLY. THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF ALL EXISTING UTILITIES BEFORE COMMENCING WORK. HE AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES WHICH MIGHT BE OCCASIONED BY HIS FAILURE TO EXACTLY LOCATE AND PRESERVE ANY AND ALL UNDERGROUND UTILITIES. CONFIDENTIAL SP-2024-0356C 28 SP-2024-0356C - ACCX - Convention Center C128 of 56