nuclear

power

station

outage inspection & maintenance

Project Overview

Provided commercial diving support services during a scheduled outage at a nuclear power generating station. Operations supported critical maintenance, inspection, repair, and cleaning activities within intake, discharge, and cooling water systems to ensure continued safe and reliable plant operations.

Scope of Work

Nuclear facility outage support
Diver-assisted inspection services
Intake and outfall maintenance
Sluice gate repair support
Underwater cleaning operations
Jetting and airlift excavation
Structural inspections
Hot work support operations
Rigging and equipment installation support
Plant maintenance and reliability support

Services Performed

Diver inspections of intake and outfall structures
Inspection of outfall piles, grating systems, and submerged infrastructure
Jetting and airlift operations for sediment and debris removal
Pressure washing of intake tracks, guide rails, and grating systems
Cleaning of intake bays, discharge structures, and water conveyance systems
Support of sluice gate repair and maintenance activities
Diver-assisted positioning and guidance during installation of replacement gates
Underwater debris removal and housekeeping operations
Support of underwater hot work activities
Visual inspections and condition assessments
Documentation of findings and maintenance activities
Daily operational planning, safety briefings, and quality control verification

Equipment & Tools Utilized

Surface-supplied diving systems
Diver communications systems
Airlifts
Water jetting equipment
High-pressure washing systems
Rigging gear and lifting slings
Crane support equipment
Underwater inspection equipment
Hand tools and hydraulic tools
Inspection cameras and documentation equipment
Confined and controlled access equipment

Key Project Elements

Nuclear Power Generation Facility
Critical Infrastructure Maintenance
Scheduled Plant Outage Support
Intake Structure Maintenance
Outfall Structure Inspection
Sluice Gate Repair Support
Jetting and Airlift Operations
Underwater Cleaning Services
Hot Work Support
High-Security Work Environment
Drug-Tested Personnel
Daily Safety and Quality Control Procedures
Mission-Critical Asset Reliability

Safety & Compliance

Personnel operated under strict nuclear facility access requirements, including security screening, drug testing, daily work authorizations, safety briefings, operational checklists, LOTO and compliance with site-specific procedures. Work was performed within a highly controlled environment requiring continuous coordination with plant operations, maintenance personnel, and outage management teams.