Water and Wastewater Commission - Jan. 14, 2021

Water and Wastewater Commission Special Called Meeting of the Water and Wastewater Commission - via videoconference

Agenda original pdf

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Versión en español a continuación Water and Wastewater Commission Special Called Meeting January 14, 2021 Water and Wastewater Commission to be held January 14, 2021 with Social Distancing Modifications Public comment will be allowed via telephone; no in-person input will be allowed. All speakers must register in advance (January 13, 2021 by noon). All public comment will occur at the beginning of the meeting. To speak remotely at the January 14, 2021 Water and Wastewater Commission Meeting, members of the public must: •Call or email the board liaison at (512) 972-0115 and Blanca.Madriz@austintexas.gov no later than noon, January 13, 2021. The following information is required: speaker name, item number(s) they wish to speak on, whether they are for/against/neutral, email address and telephone number (must be the same number that will be used to call into the meeting). •Once a request to speak has been made to the board liaison, the information to call on the day of the scheduled meeting will be provided •Speakers must call in at least 15 minutes prior to meeting start time in order to speak, late callers will not be accepted and will not be either by email or phone call. able to speak. •Speakers will be placed in a queue until their time to speak. •Handouts or other information may be emailed to Blanca.Madriz@austintexas.gov by noon the day before the scheduled meeting. This information will be provided to Board and Commission members in advance of the meeting. •If the meeting is broadcast live, it may be viewed here: http://www.austintexas.gov/page/watch-atxn-live The City of Austin is committed to compliance with the American with Disabilities Act. Reasonable modifications and equal access to communications will be provided upon request. Meeting locations are planned with wheelchair access. If requiring Sign Language Interpreters or alternative formats, please give notice at least 2 days (48 hours) before the meeting date. Please call Blanca Madriz at Austin Water, 512-972-0115 for additional information; TTY users route through Relay Texas at 711. For more information on the Water and Wastewater Commission, please contact Blanca Madriz at Blanca.Madriz@austintexas.gov. Versión en español a continuación Reunión LLamado Epecial del WATER & WASTEWATER COMMISSION de la reunion 14 de enero 2021 La junta se llevará con modificaciones de distanciamiento social Se permitirán comentarios públicos por teléfono; no se permitirá ninguna entrada en persona. Todos los oradores deben registrarse con anticipación (13 de enero). Todos los comentarios públicos se …

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B1 original pdf

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Water & Wastewater Commission Review and Recommendation COA Strategic Direction: Mobility Government That Works for All January 14, 2021 Commission Meeting Date: Council Meeting Date: Department: Purchasing January 27, 2021 Client: Danielle Lord Agenda Item Recommend approval to negotiate and execute a multi-term cooperative contract with IDSC Holdings LLC D/B/A Snap-On Industrial, for tools and fleet maintenance equipment, for up to 51 months in an amount not to exceed $1,607,500. Austin Water’s requested authorization is $85,000. Amount and Source of Funding Funding in the amount of $13,334 is available in the Fiscal Year 2020-2021 Operating Budget of Austin Water. Funding for the remaining contract term is contingent upon available funding in future budgets. Multiple cooperative purchase programs were reviewed for these goods. The Purchasing Office has determined this contractor best meets the needs of the departments to provide the goods required at the best value for the City. N/A January 14, 2021 — To be reviewed by the Water and Wastewater Commission. This procurement was reviewed for subcontracting opportunities in accordance with City Code Chapter 2-9D Minority Owned and Women Owned Business Enterprise Procurement Program. For the goods required for this procurement, there were no subcontracting opportunities; therefore, no subcontracting goals were established. Purchasing Language: Prior Council Action: Boards and Commission Action: MBE/WBE: The contract is for the purchase of Snap-On Industrial tools and fleet maintenance equipment. Some of the planned purchases include durable handheld and larger tools, wheel balancers, and tire machines. The Sourcewell Cooperative establishes competitively bid contracts that can be utilized by the State and other government agencies through a cooperative agreement. Cooperative agreements save taxpayer dollars by leveraging the cooperative’s volume- buying power to drive down costs on hundreds of contracts through a streamlined cooperative purchasing program. This is a new contract for these products. The requested authorization amounts were determined using departmental estimates based on historical spend for similar products and predictions of future growth. If the City is unable to secure a contract, City service technicians may not have a reliable source for durable tools and fleet maintenance equipment, and departments will be forced to procure these products on an as needed basis, which may result in higher prices and higher operational costs. Contract Detail: Contract Term Initial Term Optional Extension 1 TOTAL Length of Term 39 mos. 12 mos. 51 mos. Contract Authorization $1,257,500 $ 350,000 $1,607,500 Note: Contract Authorization amounts are based …

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B2 original pdf

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Water & Wastewater Commission Review and Recommendation COA Strategic Direction: Health and Environment; Mobility January 14, 2021 Commission Meeting Date: Council Meeting Date: Department: Capital Contracting Office January 27, 2021 Client: Shay Ralls Roalson Agenda Item Recommend approval to award and execute a construction contract with Santa Clara Construction, Ltd., for the Highland Park Water and Wastewater Improvements Phase 2 project in the amount of $5,891,883.50 plus a contingency of $589,188.35, for a total contract amount not to exceed $6,481,071.85. Austin Water's budgeted portion for this project is $4,523,927. (District 10) Funding is available in the Fiscal Year 2020-2021 Capital Budget of Austin Water. Amount and Source of Funding Lowest responsive bid of five bids received through a competitive Invitation for Bid solicitation. N/A January 14, 2021 — To be reviewed by the Water and Wastewater Commission. This contract will be awarded in compliance with City Code Chapter 2-9A (Minority Owned and Women Owned Business Enterprise Procurement Program) by meeting the goals with 67.62% MBE and 1.25% WBE participation. Purchasing Language: Prior Council Action: Boards and Commission Action: MBE/WBE: An allowance of $50,000 will provide for a geologist to address potential void Customers in the Highland Park area in the Northwest A pressure zone are currently supplied by a single 12-inch water main with no backfeed or redundancy. This undersized single-feed main causes inadequate fire flows and reduction of water supply/pressure throughout the area. Also, Highland Park reservoir and pump station have reached the end of their useful life and are undersized for the area. Highland Park reservoir hasn't been in use for years and the pump station is being used as an inline booster station which is not an approved pumping scenario per Texas Commission on Environmental Quality (TCEQ) standards. Construction of the proposed 16-in water main will allow Austin Water to take the Highland Park pump station and reservoir offline. The lack of a redundant transmission main is an increased risk for loss of water service. The most recent outage was in the summer of 2018 when the 12- inch main was hit by a contractor and water was cut off to the entire Highland Park neighborhood for approximately four hours. The Highland Park Water and Wastewater Improvements project will construct a 16-inch water main to provide adequate water supply and pressure into the Highland Park neighborhood and wastewater line replacements where needed along the water main alignment. …

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B3 original pdf

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Water & Wastewater Commission Review and Recommendation Safety, Health and Environment January 14, 2021 Commission Meeting Date: Council Meeting Date: Department: Capital Contracting Office January 27,2021 COA Strategic Direction: Client: Shay Ralls Roalson Agenda Item Recommend approval to award and execute a construction contract with PGC General Contractors, LLC, for Little Walnut Creek-Flood Risk Reduction from Metric-Rutland project in the amount of $17,103,694.80 plus a $2,565,554.22 contingency, for a total contract amount not to exceed $19,669,249.02. Austin Water’s budgeted portion for this project is $4,523,927. (District 4) Amount and Source of Funding Funding in the amount of $4,523,927.27 is available in the Fiscal Year 2020-2021 Capital Budget of Austin Water. Funding in the amount of $15,145,321.75 is available in the Fiscal Year 2020-2021 Capital Budget of the Watershed Protection Department. Purchasing Language: Lowest responsive bid of five bids received through a competitive Invitation for Bid solicitation. N/A January 14, 2021 — To be reviewed by the Water and Wastewater Commission. This contract will be awarded in compliance with City Code Chapter 2-9A (Minority Owned and Women Owned Business Enterprise Procurement Program) by meeting the goals with 12.56% MBE and 1.68% WBE participation. Prior Council Action: Boards and Commission Action: MBE/WBE: The primary goal of the current Little Walnut Creek Flood Risk Reduction project is to eliminate the risk of interior flood inundation to as many structures as possible, to reduce the floodplain footprint, and to reduce bridge flooding to the maximum extent feasible within the project study area. This project intends to divert flood flows from the lower reaches of Little Walnut Creek just upstream of Quail Valley Boulevard to the Mearns Meadow detention pond within Quail Creek Park. A wastewater pipeline relocation study is a component of the project. An existing 24-inch concrete wastewater interceptor runs within the banks of Little Walnut Creek from Quail Creek Park to beyond Golden Meadow. Portions of this existing wastewater pipeline are exposed due to creek erosion and have been repaired within the past five years. The wastewater line relocations that are part of this project are consistent with future work to abandon and relocate the existing pipeline out of the creek banks in coordination with the City’s Environmental Resource Management Division’s future full stream restoration project of Little Walnut Creek. The work consists of flood risk reduction, stormwater treatment, water/wastewater pipeline replacement, street reconstruction and park improvements. Storm drain improvements will divert …

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B4 original pdf

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Water & Wastewater Commission Review and Recommendation January 14, 2021 Safety COA Strategic Direction: January 27, 2021 Commission Meeting Date: Council Meeting Date: Department: Capital Contracting Office Client: Shay Ralls Roalson Recommend approval to award and execute a construction contract with Sefbo Pipeline Bridge, Inc., for the Ullrich WTP Low Service Pump Station Safety Structures Renewal project in the amount of $66,666.66. (District 8) Agenda Item Funding is available in the Fiscal Year 2020-2021 Capital Budget of Austin Water. Amount and Source of Funding One responsive bid received through a competitive Invitation for Bid solicitation. N/A January 14, 2021 — To be reviewed by the Water and Wastewater Commission. This contract will be awarded in compliance with City Code Chapter 2-9A (Minority Owned and Women Owned Business Enterprise Procurement Program) by meeting a combined goal of 5.00% MBE/WBE participation. Purchasing Language: Prior Council Action: Boards and Commission Action: MBE/WBE: The Ullrich Water Treatment Plant’s Low Service Pump Station is situated over Lake Austin at an elevation requiring appropriate safety controls to protect personnel from accidental falls into the Lake. These safety controls include platforms, toe plates, handrails and cover plates. Approximately 70% of the platform cover plates at the pump station are severely corroded due to the high-moisture ambient environment and are beginning to fail. Other safety features, such as the toe plates, are damaged or missing. Additionally, portions of the Low Service Pump Station are currently being barricaded to prevent access to areas where the most severe corrosion is taking place. There is an imminent safety risk of personnel falling into the Lake if corrective steps are not taken to repair damaged and missing safety controls. This project will provide the labor, equipment and materials required to perform the necessary safety related repairs to the Low Service Pump Station. These repairs incorporate the scope of work that was agreed upon by the Ullrich Operations personnel and the Engineer of Record. The benefit of this project is that adequate safety controls will be re-established at the Low Service Pump Station which will allow personnel to work in a safe environment. This contract will include award of one alternate bid item for $14,500 for the replacement of safety controls instead of repairing those safety controls. An alternate bid is a specified item of the construction work that is priced separately and may be awarded as part of the contract if the …

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B5 original pdf

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Water & Wastewater Commission Review and Recommendation Health and Environment January 14, 2021 Commission Meeting Date: Council Meeting Date: Department: Capital Contracting Office January 27, 2021 COA Strategic Direction: Client: Shay Ralls Roalson Agenda Item Recommend approval for additional contingency funding for the construction contract with PLW Waterworks, LLC, for the Walnut Creek WW Treatment Plant Sludge Thickener Rehabilitation project in the amount of $457,795 for a total amount not to exceed $10,529,285. (District 1) Funding is available in the Fiscal Year 2020-2021 Capital Budget of Austin Water. Amount and Source of Funding Original contract was awarded through a competitive Invitation for Bid solicitation process. January 23, 2020 - Council awarded a construction contract to PLW Waterworks, LLC, for the Walnut Creek WW Treatment Plant Sludge Thickener Rehabilitation project. January 14, 2021 — To be reviewed by the Water and Wastewater Commission. This request is for additional contingency funding only. MBE/WBE participation to date information will be provided if a change order is requested. Purchasing Language: Prior Council Action: Boards and Commission Action: MBE/WBE: The Walnut Creek Wastewater Treatment Plant (the plant) is permitted to treat and discharge an average daily flow of 75 million gallons per day (MGD) with a peak flow of 165 MGD. The plant currently averages approximately 60 MGD with peak flows in excess of 165 MGD during large rain events. The plant thickens the sludge produced by the treatment process prior to pumping it to the Hornsby Bend Biosolids Management Plant for further treatment. The thickening process has become increasingly unreliable over time. The existing gravity sludge thickener and equipment were constructed in 1977, are in very poor condition, and are beyond their useful life. In order to maintain an effective treatment process, replacement of the existing gravity sludge thickener and the equipment is necessary. Temporary thickening units are required to allow the existing gravity sludge thickener and associated equipment to be taken offline for rehabilitation. An additional unit is required to meet increased sludge flows at the plant, which will consume the majority of the project’s contingency funds. The original Council authorization allowed for a 10% contingency to cover unknown risks associated with the project. It is anticipated that the 10% contingency limit will not be sufficient for the project based on change orders currently under consideration relating to the required temporary thickening units. Therefore, a 5% additional contingency is requested to ensure timely …

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D1 original pdf

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Water & Wastewater Commission Review Only COA Strategic Direction: January 14, 2021 Health and Environment Commission Meeting Date: Council Meeting Date: Department: January 21, 2021 Purchasing Client: Rick Coronado Ratification of a contract with National Works, Inc., to provide emergency cleaning and diffuser replacement in the aeration basin and clarifier at the Dessau Wastewater Treatment plant, in the amount of $274,232. Agenda Item Funding was available in the Fiscal Year 2019-2020 of the Operating Budget of Austin Water. Amount and Source of Funding Purchasing Language: Ratification N/A Prior Council Action: Boards and Commission Action: MBE/WBE: January 14, 2021 — To be reviewed by the Water and Wastewater Commission. This contract is exempt from the City Code Chapter 2-9C Minority Owned and Women Owned Business Enterprise Procurement Program; therefore, no subcontracting goals were established). The contract was authorized to provide emergency cleaning and diffuser replacement in the aeration basin and the clarifier at the Dessau Wastewater Treatment Plant (WWTP). Services for this contract included all labor, equipment, materials and appurtenances such as tools, nozzles, hoses, personal protective equipment (PPE), dewatering containers, frac tanks, and instrumentation. Dessau WWTP had significantly increased daily flow rates of ammonia loading and Biochemical Oxygen Demand loading also increased while the aeration base capacity had been reduced due to grit and rags, causing the clarifier to overturn solids. Laboratory analysis was performed, and the results concluded that the WWTP was exceeding its daily ammonia permit levels. As a result, the WWTP was shut down in order to bring it back in compliance with the Texas Commission on Environmental Quality (TCEQ) standards. In order to avoid prolonged discontinuation of services from Dessau WWTP, an emergency procurement was requested by Austin Water with this contractor to clean the aeration base, replace the diffusers and the clarifier. This request was processed as an emergency procurement to address the elevated ammonia levels. Staff is now returning to council for ratification of the needed contract. The contractor has completed cleaning and the ammonia levels have been restored to be within TCEQ permit levels.

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E2 original pdf

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Austin Water Facility Planning for Atlas 14 Flood Risks Title of Presentation Presentation Date January 14, 2021 Facility Engineering Division Name of Person, Assistant Director Austin Water Facility Planning for Atlas 14 Flood Risks January 14, 2021 Flood Risk and Atlas 14: Overview (http://www.review.ci.austin.tx.us/atlas14) The National Weather Service (NWS) has completed a historical rainfall study, called ATLAS 14. ATLAS 14 means the National Oceanic and Atmospheric Administration's Precipitation- Frequency Atlas 14 of the United States, Volume 11, Version 2.0. This study shows that Central Texas is more likely to experience larger storms than previously thought. This means that severe flooding is also more likely. The City’s code amendments would redefine the existing 100-year and 25-year floodplain boundaries to reflect our new understanding of flood risk identified by the Atlas 14 study. The proposed code amendments would change existing City regulations that govern development in the floodplain. Measure Current Updated 100-year rainfall (24-hour) Buildings in 100- year floodplain 10.2 inches Up to 13+ inches 4,000 7,200* Percent Increase 30% 80% Austin Water Facility Planning for Atlas 14 Flood Risks January 14, 2021 http://www.review.ci.austin.tx.us/atlas14 What the City is Doing ? Ordinance No. 20191114-064 100-year Floodplain: City is changing the development code in order to protect the public from flooding. (A) For areas amended to incorporate Atlas 14 data, the 100-year floodplain calculated under fully developed conditions as prescribed by the Drainage Criteria Manual as amended to incorporate Atlas 14 data; (B) For areas not yet amended to incorporate Atlas 14 data, the 500-year floodplain either as depicted on the FEMA Flood Insurance Rate Map as of January 6,2016, as subsequently revised, or is calculated under existing conditions as prescribed by the Drainage Criteria Manual using data predating Atlas 14 25-year Floodplain (A) For areas amended to incorporate Atlas 14 data, the 25-year floodplain calculated under fully developed conditions as prescribed by the Drainage Criteria Manual as amended to incorporate Atlas 14 data; (B) For areas not yet amended to incorporate Atlas 14 data, the 100-year floodplain either as depicted on the FEMA Flood Insurance Rate Map as of January 6,2016, as subsequently revised, or is calculated under existing conditions as prescribed by the Drainage Criteria Manual using data predating Atlas 14 Colorado River For the Colorado River, the 100-year floodplain as depicted on the FEMA Flood Insurance Rate Map dated January 6, 2016, as subsequently revised. Austin Water Facility Planning for Atlas …

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