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Item 4M - Memo - Dove_Highland Drainage ImprovementsItem 4M CITY OF SOUTH LAKE MEMORANDUM (October 18, 2022) To: Shana Yelverton, City Manager From: Rob Cohen, Director of Public Works Subject: Award the contract for the construction of the Dove Creek Trail and West Highland Street Drainage Improvements project to Capko Concrete Structures, LLC. in an amount not to exceed $1,467,450. Action Requested: Award the contract for the construction of the Dove Creek Trail and West Highland Street Drainage Improvements project to Capko Concrete Structures, LLC. in an amount not to exceed $1,467,450. Background Information: In FY 2019, Quiddity Engineering, LLC., previously known as Jones and Carter, completed a drainage study and provided recommendations on critical drainage structures #10 on West Highland Street and #11 on Dove Creek Trail. The study offered recommended improvements at the above -referenced critical drainage structures. In FY 2020, the City entered into an Engineering Service Agreement with Quiddity Engineering, LLC to provide design and construction phase services for the recommended improvements. This project aims to replace critical drainage structure #10 at West Highland Street with a higher capacity culvert that will improve drainage conveyance and significantly reduce the potential for the road to be overtopped during storm events. The project will also replace critical drainage structure #11 at Dove Creek Trail. Additional culvert crossings also addressed within the project are located on San Saba Drive and Mission Drive within the same drainage basin for critical drainage structure #11, which were installed with the development back in the early 1980s. These culvert crossings are made of corrugated metal pipe and are in poor structural condition. Replacement of these culverts with reinforced concrete pipes will meet today's generally accepted practices and improve the structural integrity of these crossings. Initially, solicitations of bids for the project began Sunday, March 13, and bids were supposed to be received and opened Friday, April 8, 2022. No bids were received. The project drawings and documents were modified to include two alternative bids for the roadway section at West Highland Street. Alternative #1 provided asphalt pavement and alternative #2 consisted of concrete pavement. Upon review of bids, the City ultimately decided to go with alternative #2, concrete pavement for the roadway segment at West Highland Street, which provided a savings of $36,000. Solicitation of bids were conducted for the second time for this project and began on August 14, 2022. Sealed proposals were received and opened on September 9, 2022. The two proposals received for this project are shown below: Bidder Bid Amount Capko Concrete Structures, LLC $ 1,236,638.00 Canary Construction, Inc. $ 2,665,951.00 City staff and the design consultant, Quiddity Engineering, LLC., have reviewed and scored the two proposals using best -value criteria as the basis described in the project manual. The evaluation criteria for this bid was the contract price (50%), the reputation of the bidder including key personnel (15%), the reputation and quality of the bidder's goods or services (15%), the bidder's past relationship with the City (10%), and the bidder's responsiveness (10%). The evaluation of materials and references provided led to the recommendation of Capko Concrete Structures, LLC, Inc. for this project. The bid from Capko Concrete Structures, LLC. came in at $1,236,638 for anticipated work on the Base Bid and Alternative Bid 2; staff is requesting authorization for a total of $1,467,450, including a $230,812 contingency for construction expenses that may arise due to unforeseen field conditions. Funding for this project was from the Storm Water Utility System Fund (FY 2015) and Capital Improvement Budget (FY 2019). Financial Considerations: None Strategic Link: This item links to the City's Strategy Map strategic focus areas of Infrastructure and Performance Management & Service Delivery. It specifically relates to the City's Corporate Objectives, B5: Enhance Service Delivery Through Continual Process Improvement, and F2: Invest To Provide & Maintain High Quality Public Assets. The Critical Business Outcome is, CBO3: Engage In Thoughtful Planning To Ensure Continued High Quality Development That Is Integrated Well Into The Current Built Environment. Citizen Input/ Board Review: None Legal Review: Yes, City Attorney reviewed Ordinance No. 1268. Alternatives: The City Council may approve or deny Ordinance No. 1268 Supporting Documents: Ordinance No. 717-F Staff Recommendation: Approving Ordnance 1268, 1st Reading, Approve Speed Limit Ordinance Amending Chapter 18, Section 18-79 of the Southlake City Code Staff Contact: Rob Cohen, Director of Public Works ATTACHMENT A CITY OF SOUTHLAKE MEMORANDUM (January 19, 2016) To: Shana Yelverton, City Manager From: Robert H. Price, P.E., Public Works Director Item 6E Subject: Ordinance No. 717-F, 2"d Reading, amending Chapter18, Section 18-79 of the Southlake Code of Ordinances, designating a 25 mph speed limit within Southlake Glen Addition Action Requested: Ordinance No. 717-F, 2nd Reading, amending Chapter 18, Section 18-79 of the Southlake City Code of Ordinances, designating a 25 mph speed limit within Southlake Glen subdivision. Background Information: The developer for the Southlake Glen Addition (formerly Gateway Lakes) has formally requested the speed limit within the development be 25 miles per hour. Historically, speed limit reductions have been requested for fully occupied developments by which 75% of the property owners within the development must sign a petition asking the Council for a change in the speed limit. Council has granted speed limit reductions for eight (8) developments by this ordinance. State Legislature has passed legislation authorizing cities to lower speed limits on local streets to 25 mph without having to conduct a formal engineering study to justify that speed limit. No formal engineering study has been conducted regarding the setting of this speed limit. The ordinance as amended will add the following streets and speed limits to the list of designated streets regulated therein Section 18-79 of Chapter 18, "Traffic and Vehicles" of the Southlake City Code of Ordinances: All portions of streets located within the Southlake Glen Addition, specifically Southlake Glen Drive, Glen Lake Drive and Lake Vista Court. City of Southlake Values: Integrity ♦ Innovation ♦ Accountability ♦ Commitment to Excellence ♦ Teamwork A benefit of establishing the reduced speed limit at this time, before any homes are constructed is that speed limit signs can be installed per State prescribed rules before any homes are constructed. The placement of speed limit signs within the subdivision is often a point of contention amongst property owners and sometimes prevents the lowering of speeds within a development. The developer has paid for and posted 25 mph speed limit signs. Approved at Vt reading, January 5, 2016. Financial Considerations: None Strategic Link: The ordinance designating a 25 mph speed limit within the Southlake Glen Addition links to the City's strategy map relative to the focus areas of Safety and Security and Mobility. The specific corporate objectives that are met by this ordinance include: Achieve the highest standards of safety and security and provide travel convenience within city and region. Citizen Input/ Board Review: None Legal Review: The City Attorney is reviewing the amended ordinance. Alternatives: The City Council may approve or deny Ordinance No. 717-F. Supporting Documents: Ordinance No. 717-F Location Map Staff Recommendation: Approve Ordinance No. 717-F, 2nd Reading, amending Chapter 18, Section 18-79 of the Southlake City Code of Ordinances, designating a 25 mph speed limit within Southlake Glen subdivision. Staff Contact: Robert H. Price, P.E., Public Works Director Steven D. Anderson, P.E., CFM, Civil Engineer City of Southlake Values: Integrity ♦ Innovation ♦ Accountability ♦ Commitment to Excellence ♦ Teamwork ORDINANCE NO. 717-F AN ORDINANCE AMENDING ORDINANCE NO. 717, 717-B, 717-C, 717- D, 717-E AND CHAPTER 18, "TRAFFIC AND VEHICLES", SECTION 18-79 OF THE SOUTHLAKE CITY CODE (1996), AS AMENDED, BY DESIGNATING THE SPEED LIMIT WITHIN THE SOUTHLAKE GLEN SUBDIVISION AS 25 MILES PER HOUR; DIRECTING THE DIRECTOR OF PUBLIC WORKS TO POST APPROPRIATE SIGNS; PROVIDING THAT THIS ORDINANCE SHALL BE CUMULATIVE OF ALL ORDINANCES; PROVIDING A SEVERABILITY CLAUSE; PROVIDING FOR A PENALTY FOR VIOLATIONS HEREOF; PROVIDING A SAVINGS CLAUSE; PROVIDING FOR PUBLICATION IN THE OFFICIAL NEWSPAPER; AND PROVIDING AN EFFECTIVE DATE. WHEREAS, the City of Southlake, Texas is a home rule city acting under its charter adopted by the electorate pursuant to Article XI, Section 5 of the Texas Constitution and Chapter 9 of the Local Government Code; and WHEREAS, Section 545.352 (b) and 545.356 of the Texas Transportation Code grants the City of Southlake, Texas the authority to establish prima facie minimum reasonable and prudent speeds within its corporate boundaries for vehicles on streets and highways; and WHEREAS, the City Council finds that special hazards exist that require a slower speed in order for an operator to drive at a speed that is reasonable and prudent under the existing circumstances in the neighborhood; and WHEREAS, the prima facie maximum reasonable speed limits adopted herein are not in conflict with any order of the Texas Transportation Commission declaring speed limits along any roadways within the city limits of Southlake. NOW, THEREFORE, BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF SOUTHLAKE, TEXAS: SECTION 1. SPEED LIMITS ESTABLISHED That section 18-79 of Chapter 18, "Traffic and Vehicles", of the Southlake City Code is hereby amended by adding the following streets and speed limits to the list of designated streets regulated therein: STREET SPEED LIMIT (mph) All portions of streets located within the Southlake Glen 25 Addition, specifically Southlake Glen Drive, Glen Lake Drive and Lake Vista Court SECTION 2. POSTING SIGNS; INVENTORY The Director of Public Works is hereby directed to ensure that appropriate signs are erected and maintained giving notice of the speed limits adopted in this ordinance and to file an updated inventory indicating the new speed limits with the City Secretary as provided in Section 18-82 of the City Code. SECTION 3. CUMULATIVE CLAUSE This ordinance shall be cumulative of all provisions of ordinances of the City of Southlake, Texas, except where the provisions of this ordinance are in direct conflict with the provisions of such ordinances, in which event the conflicting provisions of such ordinances are hereby repealed. SECTION 4. SEVERABILITY CLAUSE It is hereby declared to be the intention of the City Council that the phrases, clauses, sentences, paragraphs and sections of this ordinance are severable, and if any phrase, clause, sentence, paragraph or section of this ordinance shall be declared unconstitutional by the valid judgment or decree of any court of competent jurisdiction, such unconstitutionality shall not affect any of the remaining phrases, clauses, NA00-New N Drive\Meetings\City Council\2016 Agendas\2016-01-05\Item 4E - Ord. 717-F Speed Limit 2 Southlake Glen\Ord. 717-F Speed limit - Southlake Glen.doc (100906) sentences, paragraphs and sections of this ordinance, since the same would have been enacted by the City Council without the incorporation in this ordinance of any such unconstitutional phrase, clause, sentence, paragraph or section. SECTION 5. PENALTY Any person, firm or corporation who violates, disobeys, omits, neglects or refuses to comply with or who resists the enforcement of any of the provisions of this ordinance shall be fined not more than Two Hundred Dollars ($200.00) for each offense. Each day that a violation is permitted to exist shall constitute a separate offense. SECTION 6. SAVINGS CLAUSE All rights and remedies of the City of Southlake are expressly saved as to any and all violations of the provisions of Chapter 18 of the Code of Ordinances of the City of Southlake or any other ordinances or statutes adopting prima facie reasonable and prudent speed limits on roadways within the city limits which have accrued at the time of the effective date of this ordinance; and, as to such accrued violations and all pending litigation, both civil and criminal, whether pending in court or not, under such ordinances, same shall not be affected by this ordinance but may be prosecuted until final disposition by the courts. SECTION 7. The City Secretary of the City of Southlake is hereby directed to publish the proposed ordinance or its caption and penalty together with a notice setting out the time and place for a public hearing thereon at least ten (10) days before the second reading of this ordinance, and if this ordinance provides for the imposition of any penalty, fine or forfeiture for any violation of any of its provisions, then the City Secretary shall NA00-New N Drive\Meetings\City Council\2016 Agendas\201 6-01 -0 5\ Item 4E - Ord. 717-F Speed Limit 3 Southlake Glen\Ord. 717-F Speed limit - Southlake Glen.doc (100906) additionally publish this ordinance in the official City newspaper one time within ten (10) days after passage of this ordinance, as required by Section 3.13 of the Charter of the City of Southlake. SECTION 8. This ordinance shall be in full force and effect from and after its passage and publication as required by law, and it is so ordained. PASSED AND APPROVED ON FIRST READING ON THIS DAY OF , 2015. Mayor, Laura Hill ATTEST: City Secretary, Lori Payne NA00-New N Drive\Meetings\City Council\2016 Agendas\201 6-01 -0 5\ Item 4E - Ord. 717-F Speed Limit 4 Southlake Glen\Ord. 717-F Speed limit - Southlake Glen.doc (100906) PASSED AND APPROVED ON SECOND READING ON THIS DAY OF , 2015. Mayor, Laura Hill ATTEST: City Secretary, Lori Payne EFFECTIVE DATE: APPROVED AS TO FORM AND LEGALITY: City Attorney NA00-New N Drive\Meetings\City Council\2016 Agendas\2016-01-05\Item 4E - Ord. 717-F Speed Limit 5 Southlake Glen\Ord. 717-F Speed limit - Southlake Glen.doc (100906) P'