Plumbing Service Quality Check Checklist [FREE PDF]

Plumbing service quality inspections are essential to ensure compliance with local and national plumbing codes, OSHA worker safety standards, and state licensing requirements. Substandard plumbing work can result in water damage, health hazards from contaminated water supplies, and costly regulatory fines. This checklist provides a structured framework for field supervisors and service managers to verify workmanship, material compliance, and technician qualifications on every service call.

  • Industry: Maintenance Services
  • Frequency: Per Event
  • Estimated Time: 25-40 minutes
  • Role: Field Supervisor
  • Total Items: 31
  • Compliance: OSHA 29 CFR 1910.146 - Permit-Required Confined Spaces, OSHA 29 CFR 1926.21 - Safety Training and Education, OSHA General Duty Clause Section 5(a)(1), State Licensing Requirements - Journeyman/Master Plumber Certification, OSHA 29 CFR 1910.1200 HazCom - Hazard Communication Standard

Technician Credentials & Licensing

Verify that all plumbing personnel hold valid state-required licenses and certifications before work begins.

  • Does the lead plumber hold a valid state-issued journeyman or master plumber license?
  • Is the technician's license current and not expired?
  • Has the technician completed required OSHA 10 or OSHA 30 safety training?
  • Are copies of all required certifications available on-site or in the work order file?
  • Has the technician acknowledged and signed the company safety policy for this job?

PPE & On-Site Safety Compliance

Confirm all personal protective equipment is in use and site safety protocols are being followed.

  • Is the technician wearing appropriate PPE including gloves, safety glasses, and steel-toed boots?
  • Are all chemical products (solvents, flux, pipe cement) properly labeled with SDS sheets accessible?
  • Is the work area properly cordoned off to prevent unauthorized access?
  • Is a confined space entry permit in place if working in crawl spaces, vaults, or enclosed pipe areas?
  • Is a fire extinguisher accessible within 10 feet when soldering or using open flame near pipe fittings?

Materials & Workmanship Quality

Assess the quality of materials used and the standard of plumbing workmanship performed.

  • Are all pipes, fittings, and fixtures NSF/ANSI certified for potable water applications where applicable?
  • Are all pipe joints, soldered connections, or compression fittings leak-free after pressure testing?
  • Are pipe supports and hangers installed at manufacturer-specified intervals?
  • Are all penetrations through walls or floors properly sealed with approved fire-rated materials?
  • Are any visible defects, incorrect grades, or back-fall conditions present in drain lines?
  • Please provide photos of all new connections, joints, and completed work areas?

Water Pressure & Flow Testing

Verify that water pressure and flow rates meet service specifications and code requirements.

  • What is the measured static water pressure at the main service point (PSI)?
  • Is the pressure reducing valve (PRV) functioning correctly and set within acceptable range?
  • Are all fixtures and outlets producing adequate flow without restriction or unusual noise?
  • Was a pressure test conducted at 1.5x working pressure for at least 15 minutes without pressure loss?
  • Are water heater temperature and pressure relief (T&P) valves properly installed and functional?

Drainage & Venting Systems

Inspect drain, waste, and vent systems for proper installation and code compliance.

  • Are all drainage lines properly vented to prevent siphoning of trap seals?
  • Are all P-traps installed and correctly sized per fixture unit requirements?
  • Are cleanouts installed at required locations and accessible for maintenance?
  • Is the vent stack termination at least 6 inches above the roof and away from openings?
  • Are there any visible signs of leakage, staining, or damage to existing drain or waste lines?

Permits & Documentation

Confirm required permits were obtained and all job documentation is complete and accurate.

  • Was a valid plumbing permit obtained from the local authority having jurisdiction (AHJ) before work began?
  • Is the permit posted or available for inspection at the job site?
  • Is a complete as-built or work completion record being maintained for this job?
  • Has the customer been informed of the work completed, warranty terms, and any follow-up requirements?
  • Please provide any additional notes, observations, or deficiencies identified during this inspection?

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Why Use This Plumbing Service Quality Check Checklist [FREE PDF]?

This plumbing service quality check checklist [free pdf] helps maintenance services teams maintain compliance and operational excellence. Designed for field supervisor professionals, this checklist covers 31 critical inspection points across 6 sections. Recommended frequency: per event.

Ensures compliance with OSHA 29 CFR 1910.146 - Permit-Required Confined Spaces, OSHA 29 CFR 1926.21 - Safety Training and Education, OSHA General Duty Clause Section 5(a)(1), State Licensing Requirements - Journeyman/Master Plumber Certification, OSHA 29 CFR 1910.1200 HazCom - Hazard Communication Standard. Regulatory-aligned for audit readiness and inspection documentation.

Frequently Asked Questions

What does the Plumbing Service Quality Check Checklist [FREE PDF] cover?

This checklist covers 31 inspection items across 6 sections: Technician Credentials & Licensing, PPE & On-Site Safety Compliance, Materials & Workmanship Quality, Water Pressure & Flow Testing, Drainage & Venting Systems, Permits & Documentation. It is designed for maintenance services operations and compliance.

How often should this checklist be completed?

This checklist should be completed per event. Each completion takes approximately 25-40 minutes.

Who should use this Plumbing Service Quality Check Checklist [FREE PDF]?

This checklist is designed for Field Supervisor professionals in the maintenance services industry. It can be used for self-assessments, team audits, and regulatory compliance documentation.

Can I download this checklist as a PDF?

Yes, this checklist is available as a free PDF download. You can also use it digitally in the POPProbe mobile app for real-time data capture, photo documentation, and automatic reporting.

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