Service

Underground Fire Sprinkler System Services

Expert Installation, Maintenance & Repair for Underground Fire Protection Systems

At First Defense Fire Protection, we specialize in providing top-tier underground fire sprinkler system services to ensure the safety and compliance of your fire protection infrastructure. Our experienced team is committed to delivering reliable solutions that meet NFPA standards, local codes, and industry best practices.

Our Services

1. Underground Fire Sprinkler System Installation

Our professional installation services guarantee a robust and code-compliant underground fire sprinkler system, ensuring proper water supply and system functionality. We handle:
✅ Excavation & Trenching – Safe and efficient groundwork preparation for system placement.
✅ Pipe Installation – Laying, welding, and securing underground fire main pipes.
✅ Valve & Riser Connection – Connecting underground piping to above-ground fire sprinkler systems.
✅ Thrust Blocking & Restraints – Preventing movement and ensuring long-term stability.
✅ System Pressure & Hydrostatic Testing – Verifying system integrity and performance before activation.

2. Underground Fire Line Inspections & Testing

Regular inspections ensure compliance and system reliability. Our certified technicians perform:
🔍 Fire Main Inspections – Checking for leaks, corrosion, or damage to underground piping.
🔍 Hydrant Flow Testing – Evaluating pressure and flow capacity for optimal performance.
🔍 Backflow Prevention Testing – Ensuring clean water supply and preventing contamination.
🔍 Underground Leak Detection – Using advanced techniques to locate hidden leaks.

3. Underground Fire Line Repairs & Maintenance

We provide fast, efficient repairs to keep your system fully operational. Our services include:
🔧 Pipe Repairs & Replacements – Fixing damaged, corroded, or leaking underground pipes.
🔧 Valve & Fitting Repairs – Servicing post-indicator valves (PIV), gate valves, and control mechanisms.
🔧 Emergency Leak Repairs – Rapid response to prevent water loss and property damage.
🔧 Fire Hydrant Repairs – Restoring functionality for reliable emergency response.

4. Fire Line Upgrades & Compliance Modifications

Ensure your fire sprinkler system meets evolving safety standards and building requirements with our upgrade services:
✔️ Fire Main Relocation – Adjusting system layout for new construction or site changes.
✔️ Pressure Enhancements – Improving water flow and pressure for better fire suppression.
✔️ Code Compliance Updates – Bringing old systems up to NFPA and local code standards.

Why Choose First Defense Fire Protection?

✅ Certified & Experienced Technicians – NFPA-compliant, licensed professionals.
✅ 24/7 Emergency Service – Immediate response to urgent fire system issues.
✅ Advanced Equipment & Techniques – Modern leak detection, excavation, and repair technology.
✅ Comprehensive Compliance & Reporting – Detailed inspections and documentation for code adherence.
✅ Customer-Focused Solutions – Tailored services to meet your unique fire protection needs.

Schedule Your Underground Fire Sprinkler System Service Today!

Ensure your fire protection system is in top condition. Contact us at (909)515-3200 or [info@fd-fp.com] for expert underground fire sprinkler services.

🚨 First Defense Fire Protection – Your First Line of Defense Against Fire. 🚨