Regional Service Through Unity… Meeting our Region’s Needs Today and Tomorrow WASTEWATER COMMITTEE MEETING August 26, 2020 (Via Teleconference)
CLICK TO EDIT MASTER TITLE STYLE AGENDA Opening Remarks A. Chairman/Executive Director/Committee Champion Status Report concerning legislation and regulatory matters, budgets, current projects and ongoing Wastewater System programs of the District 2
Rey Davila Receives Award at Virtual Texas Water Rey Davila was recognized as the Water Environment Federation's William D. Hatfield Award recipient at the virtual Texas Water conference. Award recognizes an operator of wastewater treatment plants for outstanding performance and professionalism. Rey is a Class A Licensed Wastewater Plant Operator, serving as a Chief Operator at South Mesquite Creek Regional Wastewater Treatment Plant His achievements include: • Bringing Operations Challenge to NTMWD • Member of the Texas Commission on Environmental Quality’s Utility Operator Advisory Committee • A TCEQ certified instructor • Went back to college to obtain a degree in environmental science • Building a legacy of mentoring and pass on a passion for our industry Please join us in congratulating Rey on this well-earned recognition! 3
Virtual Public Meeting for McKinney Transfer Sewer Project • Tentative date and time: September 3 rd at 6:00 p.m. • Jointly hosted by NTMWD and City of McKinney 4
CLICK TO EDIT MASTER TITLE STYLE AGENDA ACTION ITEMS A. Consider Approval of Wastewater Committee meeting minutes – July 21, 2020 B. Authorize execution of engineering services agreement on Sister Grove Regional Water Resource Recovery Facility, Phase II – Administrative Memorandum No. 5610 C. Authorize execution of engineering services agreement on McKinney East Side Extension Improvements project – Administrative Memorandum No. 5611 D. Authorize construction Change Order No. 9 and partial release of retainage on Lower White Rock Creek Lift Station improvements project – Administrative Memorandum No. 5612 E. Adoption of Resolution No. 20-38 authorizing use of construction manager at-risk delivery method and authorize execution of engineering services agreement on South Mesquite Creek Regional Wastewater Treatment Plant Peak Flow Management and Expansion project – Administrative Memorandum No. 5613 DISCUSSION ITEMS A. FY20 a mended and FY21 p reliminary b udget b riefing B. Update on Sister Grove Regional Water Resource Recovery Facility, Phase I C. Discuss Rowlett Creek Regional Wastewater Treatment Plant Peak Flow Improvements, Phase II funding from Texas Water Development Board D. Opportunity for Committee Members to provide feedback on Wastewater Committee meeting E. Opportunity for Committee Members to request potential future agenda items 5
Agenda AGENDA Action Items A. Consider Approval of Wastewater Committee Meeting Minutes – July 21, 2020 Recommend Approval of Wastewater Committee Meeting Minutes 6
Agenda AGENDA Action Items B. Authorize execution of engineering services agreement on Sister Grove Regional Water Resource Recovery Facility, Phase II – Administrative Memorandum No. 5610 • Consider recommendation on authorizing the Interim Executive Director to execute an engineering services agreement with CDM Smith, Inc., in the amount of $9,622,886 for final engineering design of Project No. 301-0570-20, Sister Grove Regional Water Resource Recovery Facility, Phase II What: Authorize funding for the final design and construction phase services for the Sister Grove Regional Water Resource Recovery Facility, Phase II project. Why : Design the expansion of the Sister Grove RWRRF to 32 million gallons per day (MGD) of annual average daily flow and peak two-hour flow of 128 MGD capacity to meet flow projections due to growth. 7
SISTER GROVE REGIONAL WATER RESOURCE RECOVERY FACILITY 8
SISTER GROVE REGIONAL WATER RESOURCE RECOVERY FACILITY Phase II Project • Expand the Sister Grove RWRRF to 32 MGD annual average daily flow and 128 MGD two-hour peak capacity • Additional process equipment • Two primary clarifiers • Two aeration basins • Two secondary clarifiers • Filter complex • Disinfection facility • Yard piping, distribution structures, electrical, instrumentation and controls • Site work including additional roads, sidewalks fencing and lighting • Planning level estimated construction cost of Phase II is $95M 9
SISTER GROVE REGIONAL WATER RESOURCE RECOVERY FACILITY Phase II Engineering Services • Basic Services • Project management and coordination • Final plans and specifications • Opinions of probable construction cost • Bid phase services • Services during construction including starting and commissioning • Special Services • Electrical coordination study • Geotechnical investigation and engineering report • TWDB Clean Water State Revolving Fund coordination • Operations and maintenance manual update 10
Agenda RECOMMENDATION Consultant: CDM Smith Inc. Scope: Final Engineering Design Project: No. 301-0570-20, Sister Grove RWRRF, Phase II Amount: $9,622,886 11
Agenda AGENDA Action Items C. Authorize execution of engineering services agreement on McKinney East Side Extension Improvements project – Administrative Memorandum No. 5611 • Consider recommendation on authorizing the Interim Executive Director to execute an engineering services agreement with Garver, LLC, in the amount of $1,644,200 for final engineering design on Project No. 501-0551-19, McKinney East Side Extension Improvements Authorize a final design engineering services agreement for the McKinney East What: Side Extension Improvements project. Why : Replace and upsize an existing interceptor that is in a deteriorated condition and to increase the wastewater conveyance capacity due to growth projections. 12
MCKINNEY EAST SIDE EXTENSION IMPROVEMENTS Background • Two existing interceptors convey flow from the Cities of Anna, McKinney, and Melissa to the North McKinney Lift Station and future North McKinney Transfer Lift Station • 2016 internal inspection and condition assessment identified deficiencies • Capacity improvements recommended from the 2015 UEFIS Evaluation • Preliminary engineering design completed July 2020 13
McKINNEY EAST SIDE EXTENSION IMPROVEMENTS Final Engineering Design • Project Components • Replace 19,500 feet of existing 21” and 24” interceptor with 54” to 66” interceptor to meet future capacity requirements • Basic Services • Texas Water Development Board funding • Final plans and specifications • Bid phase services • Construction phase services • Special Services • Topographic survey • Legal descriptions for easements • Subsurface utility engineering • Environmental services and geotechnical investigation 14
Agenda RECOMMENDATION Consultant: Garver, LLC Scope: Final engineering design Project: No. 501-0551-19, McKinney East Side Extension Improvements Amount: $1,644,200 15
Agenda AGENDA Action Items D. Authorize construction Change Order No. 9 and partial release of retainage on Lower White Rock Creek Lift Station improvements project – Administrative Memorandum No. 5612 • Consider recommendation on authorizing execution of construction Change Order No. 9 for a reduction in contract value of $225,842.80 and an additional 265 days and authorize partial release of retainage from 5% to 1% in the amount of $277,000.30 with Archer Western What: Authorize a reduction in contract amount by Change Order No. 9 and authorize partial release of retainage from 5% to 1% for the Lower White Rock Creek Lift Station Improvements project. Why: Work on the lift station has reached substantial completion and is in operation. Change Order No. 9 involves work required to adjust the pressure setting of the two surge valves and reduction in contract quantities for items that are no longer necessary. Staff recommend partial retainage be released for work that is completed and accepted. Retainage will be withheld for the remaining change order work until 16 final completion.
LOWER WHITE ROCK CREEK LIFT STATION IMPROVEMENTS Proposed Contract Modifications Change Order No. 9 Reduction in Retainage • Additional work to adjust • Lift Station is substantially pressure settings of two complete pending change order surge valves to prevent them work for surge valve from opening during flushing adjustments and is in operation cycle of the lift station • Recommend reducing retainage • Reductions in quantities for: from 5% to 1% to allow contractor to pay • Bypass pumping diesel fuel subcontractors for work that • Fencing demolition has been completed and • Permitting allowance accepted. • Electrical service allowance • Reduction in retainage of • Credit of $225,842.80 $277,000.30 17
Agenda RECOMMENDATION Contractor: Archer Western Construction LLC Scope: Construction, Change Order No. 9, Partial Release of Retainage Project: No. 501-0381-15, Lower White Rock Creek Lift Station Improvements Change Order Amount: ($225,842.80) (reduction in contract value) Additional Days: 256 days Reduction in Retainage: $277,000.30 18
Recommend
More recommend
