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Walnut Creek WWTP Expansion to 100 MGD and Enhancements - GMP 7 Package S700.A - Bio-P/Aeration Basins/Final Clarifier-Site Structures, Architectural, and Process Equipment
CLMP300 CIP# 30233.046
City of Austin Water / CMAR - MWH
Austin, Travis County, TX
08/19/2026 at 12:00
Subcontractors Services and Materials Sought
-General Construction Survey layout and asbuilts, Materials testing,
-Demolition - Concrete and structural Demolition of Aeration basin & Bio-P No 1 thru No 6, Select demolition of operations building structure & structure, concrete saw cutting, Removal of bypass pipe and support
Site work: Drilled shafts, Fill soil, aggregates
-Utilities: 12", 8", 6", Dia NPW loop piping and yard Piping
-Concrete - CIP Reinforced Concrete, forming pouring & finishing, waterstop, accessories
-Metals -Walkway & platforms, handrails, platforms, structural steel, Misc. Metal, Pipe supports, Metal grating
-FRP - Grating
-Masonry: CMU Vener, 4" CMP Cap, Stocco
-Coating: Damp proofing, waterproofing, Painting and coatings, Resilient flooring, Room finishes
-Roofing: Metal roof panels, fasica Gutter, drip edge, downspout
-Openings: hollow metal & alum doors, Louvers,
-specialties, Fire extinguishers cabinets
-HVAC - Three New Electrical Aeration basin Buildings , and modification of operation building facilities
-Mechanical - Odor control system, duct work and appurtenances
-Waterwork: Equipment, pumps, and water treatment systems:
Package S700A Scope of work: Improvement to Aeration basins, Final clairifeir and port Aeration and Bio-Pe No 1 thru 6 including demolition, new concrete walls & platforms, half floor replacement in Aeration Basin 1 and 2. New concrete splitter Box construction, concrete tower crane foundation, drilled shafts. Metal walkways, structural supports, process piping & Equipment, pumps. Modification to Existing Operation building select demolition & improvement to structural, process piping, HVAC, odor controls. Construction of 3 New buildings Aeration Basin Electrical 136'x36' concrete pad foundations, CMU Vener, Stocco, Metal roof truss, metal Roofing
Requirements
AIS, Davis Bacon prevailing Wages,
Tax Exempt,
City of Austin MWBE Business Participation in encouraged
Review Contract documents and or site conditions to develop your offer. Contract documents may be obtained at no cost by contacting Thalle Construction Co Inc.
Contact Vincent Zannini vzannini@thalle.com 919.201.0864
AIS, Davis Bacon prevailing Wages,
Tax Exempt,
City of Austin MWBE Business Participation in encouraged
Business Utilization MBE/WBE/DBE firms are encouraged to participate, Work & materials may be combined or divided to facilitate maximum participation. Subcontractors are obliged to sublet to 2nd & 3rd tier DBE subcontractors. Firms needing assistance with obtaining bonding, loan capital, lines of credit, insurance, obtaining equipment & supplies materials or negotiate joint venture & partnership arrangements, or to inquiry Thalle's Insurance requirements, payment terms, pre approval for agreements or quickpay, may contact Thalle Construction Co Inc. for business assistance. Thalle will negotiate fairly with interested DBE firms & will not reject firms as unqualified without sound reasons-based on capabilities.
Vincent Zannini
txbids@thalle.com
Telephone
(919) 241-1635
(919) 241-1659
Address
900 NC HWY 86 North
Hillsborough, NC 27278
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