NFPA 25 Fire Water Tank Inspections

nfpa 25 fire water tank

To help you ensure proper operation of your water-based fire suppression system, ATS offers NFPA 25 tank inspection services. To keep your personnel and resources safe from fire and the extensive damage it causes, industries are required to adhere to the NFPA (National Fire Protection Association) Regulations. In the 2017 edition, the regulation outlines the minimal guidelines for fire water tank inspections, testing and maintenance.

Frequency Guidelines for Tank Evaluations

  • Fire Water Tank Interior – Every 5 Years – Per 9.2.6.1.2
  • Fire Water Tank Interior without Corrosion Protection – Every 3 Years – Per 9.2.6.1.1
  • Exterior of Fire Water Tank – Quarterly – Per 9.2.5.1

Based on the frequency guidelines above, ATS’s qualified inspectors offer visual testing that meet the specified requirements.

Visual Testing Process

To make the inspection process more efficient for you and your facility, ATS offers underwater evaluations using our technically advanced submersible remote operated vehicle (ROV). This visual inspection process can be more cost effective than hiring a diver to perform inspections as well as become a time saver allowing you to achieve quality inspections without having to drain your tank(s).

Per 9.2.5.4 – Required Tests for Interior Pitting, Corrosion, or Coating Failures

If pitting, corrosion, and coating failures are discovered during the visual inspection process then NFPA 25 requires additional testing on a drained tank. Our experienced personnel have the expertise to perform these additional tests if necessary.

Additional Testing

  • Adhesion Testing – Cross Hatch Test
  • Dry Film Thickness Measurements
  • Ultrasonic Thickness Testing on Tank Walls and Tank Bottom
  • Spark Testing/Wet Sponge Testing
  • Vacuum-box Testing

Internal and External Tank Components

Internal and external tank components can present vulnerabilities subject to failures and discontinuities. Based on specifications our thorough inspection procedures may include evaluations of the following components:

  • Valves
  • Piping
  • Fittings
  • Hangers, Braces and Supports
  • Drains
  • Support Structures
  • Vents
  • Foundation
  • Catwalks
  • Ladders
  • Exterior Surface – Paint, insulation, etc.

On-going Compliance Support

ATS can assist your facility in establishing an ongoing compliance program that meets NFPA 25 Standards. This program outlines chronological and routine inspections required by NFPA and can provide you with help to maintain your records. This is an important and conventional aspect for your business when it comes to safety and quality assurance audits.

Additional Tank Services

  • Engineering – Industrial Services
  • Mechanical Integrity Programs
  • NDT – MT, PT, RT, ET, UT, and UTT
  • API 653, 510, 570 and 12P
  • AWWA D100
  • ASTM D4097 and D3299
  • UL-142
  • Rope Access

Other ATS Services

ATS is one of the largest testing and inspection companies in North America and we serve clients nationally and internationally.

ATS Services Include:

  • Engineering – Commercial, Reliability, Safety, Materials, Structural, FEA, Mechanical Integrity, Training and More
  • Calibrations – Force/Pressure, Torque, Electronic, On-site, Accelerometer, and More
  • Chemical Analysis – Organic, Metals, Polymer, Contamination, PMI and More
  • Nondestructive Testing – Lab and Field Service, Level III, MT, PT, UT, UTT, ET, RT, CDR, API and More
  • Mechanical Testing – Materials, Environmental, Metallurgy, Polymer, Vibration and More
  • Other – CMM, Rope Access, Fire Investigation, Forensic Services, Failure Analysis, Training and More

Industries Served:

  • Aerospace/Aviation
  • Automotive
  • Chemical
  • Commercial Properties
  • Construction
  • Consumer Products
  • Energy
  • Government
  • Insurance/Legal
  • Industrial
  • Manufacturing
  • Military
  • Nuclear
  • Oil/Gas
  • Pharmaceuticals
  • Power Generation
  • Pulp & Paper
  • Telecommunication

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