Nuclear Power Plant

Restore structural integrity with less downtime

Cooling towers in Arizona endure extreme heat, UV exposure, aggressive water chemistry, and constant thermal cycling. The result: spalling concrete, exposed rebar, cracking, and loss of section that threaten performance and compliance. Bunney’s Inc. delivers cooling tower concrete restoration that targets root causes not just surface defects so your system returns to service stronger and safer, serving businesses across Arizona.

New to Bunney’s? Learn who we are and explore our capabilities.

When to consider restoration

  • Spalling or delamination around basins, columns, or hot-water decks

  • Active leaks at joints, troughs, or casings

  • Corrosion staining and rebar exposure

  • Settlement, honeycombing, or vibration-related cracking

  • Chemical attack and scaling in high-TDS service

  • Coating failure or recurring patch failures

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    Our restoration approach

    Assess → Design → Execute → Protect.

    1. Condition assessment: Visual survey, sounding, chloride testing, rebar cover checks, and (when needed) NDT.

    2. Repair design: Scope aligned to load paths, water chemistry, and outage windows.

    3. Execution: Qualified crews, documented surface prep, and manufacturer-approved mixes.

    4. Protection: Coatings, sealants, and corrosion mitigation to extend service life.

    Services tailored to cooling towers

    • Concrete repairs: Demolition to sound substrate, patching with polymer-modified or sulfate-resistant mixes, precision forming and shoring.

    • Crack remediation: Epoxy or urethane injection selected by movement and moisture profile.

    • Reinforcement treatment: Rebar cleaning, replacement, zinc-rich primers, and encapsulation.

    • Structural restoration: Columns, beams, ring walls, basins, fan decks, drift eliminator supports; shotcrete and form-and-pour methods.

    • Joint + leak control: Waterstops, hydrophilic injection hoses, and elastomeric joint systems.

    • Protective systems: Chemical-resistant linings, elastomeric membranes, silane/siloxane sealers, and abrasion-resistant coatings.

    • Safety & access upgrades: Platforms, ladders, guardrails, anchor points, drain and sump retrofits.

    • Documentation: ITPs, pull-off tests, repair logs, and closeout photos for audit readiness.

    Built for Arizona conditions

    • Heat & UV: Mix designs and cure plans that limit plastic shrinkage; UV-stable topcoats.

    • Water chemistry: Materials vetted for biocide, chloride, and high-TDS exposure.

    • Thermal cycling & vibration: Details that relieve movement, reinforce load paths, and resist fatigue.

    • Monsoon resilience: Positive drainage, joint detailing, and edge protection to prevent re-intrusion.

    Safety and compliance first

    OSHA-trained crews experienced with elevated work, confined spaces, LOTO, hot-work permitting, and fall protection. We coordinate with plant EHS for isolation plans, tie-offs, and QA records that support utility and municipal compliance requirements.

    Outage-friendly delivery

    We staff to your window—nights, weekends, or planned turnarounds with prefabrication where feasible to shorten critical path. Expect clear schedules, daily progress notes, and zero-surprise change management.

    What influences cost & schedule

    Extent of demolition • Access and rigging limits • Required shoring/forming • Coating system selection • Owner testing/inspection requirements • Outage duration and phasing.
    You’ll receive a line-item scope with alternates (good/better/best) to match risk and budget.

    FAQs

    How do you decide between epoxy vs. urethane injection?
    Epoxy bonds and restores structural continuity in dry, non-moving cracks; urethane gels to stop active leaks or movement. We often use both in sequence.

    Will repairs last in aggressive cooling water?
    Yes—materials are specified for your chemistry (biocides, pH, chlorides). Protective linings and sealers are selected to match exposure and service temperature.

    Can work occur while the tower is in service?
    Minor localized repairs may be phased with partial flow; structural scopes are typically scheduled during reduced load or outages for safety and quality.

    Do you handle engineered shoring and submittals?
    We provide stamped shoring/formwork designs when required, plus mix designs, ITPs, and coating data sheets for approval.

    What warranty is included?
    Workmanship warranties are standard; coating and lining systems carry manufacturer warranties based on prep and thickness verification.

    Do you restore both concrete and FRP components?
    Primary focus is concrete and structural elements; we coordinate with specialty partners for FRP drift eliminators, louvers, or fan supports when needed.

    How quickly can you mobilize for an emergency?
    For contracted clients, we offer defined response SLAs and emergency stabilization, followed by permanent repairs during the next planned outage.

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