Water Storage Tank Inspection & Cleaning (Subsurface Diving Services)

The contract requires certified commercial divers to conduct internal inspections, sediment removal, and thorough cleaning of potable water storage tanks, ensuring the integrity and safety of the public water supply. All diving operations must be performed in compliance with industry standards, with a focus on precision and contamination prevention. Underwater filming is mandated to document the condition of tank interiors before, during, and after cleaning, providing verifiable records of work completed and areas addressed. Chlorine neutralization is a critical component of the scope, requiring immediate and safe dechlorination of tank contents following cleaning to restore water quality to potable standards. The work must be executed by personnel holding current certifications in commercial diving and water system sanitation, with all procedures adhering to state and federal health regulations. The contract is structured as a subcontract under NAICS code 238990, with a response deadline of August 11, 2026, and is managed by the California Utilities agency, though the specific location of performance remains unlisted.