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Serving Commercial and Institutional Projects Across North Carolina
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Commercial Sanitary Waste & Vent Systems

D&L Plumbing Inc. installs commercial sanitary waste and vent systems for construction projects in Durham, NC and across the Triangle and Triad regions, coordinating drainage networks in accordance with engineered plans and inspection requirements.

System Overview

Commercial sanitary waste and vent systems are designed to collect and convey wastewater from plumbing fixtures through gravity drainage networks while maintaining proper venting to protect trap seals and ensure safe system operation. Installations are executed in accordance with engineered plans, pipe slope requirements, and commercial plumbing code standards.

The system includes:

  • Sanitary waste piping
  • Vent piping and vent stacks
  • Branch drainage lines
  • Cleanouts and access points
  • Grease waste piping where required
  • Specialty waste systems (when specified)

Scope of Work

Underground & Site Piping

  • Building sewer connections
  • Underground sanitary piping
  • Exterior sewer routing coordination
  • Sleeves and slab penetrations

Vertical & Overhead Systems

  • Waste and vent stacks
  • Branch piping by fixture groups
  • Roof vent terminations
  • Cleanouts and access points

Specialized Waste Systems

  • Grease waste piping
  • Acid waste piping
  • Neutralization system coordination (when specified)

Coordination & Inspections

Installation is coordinated with project schedules, trade sequencing, and required inspection stages throughout construction.

DL Plumbing Inc. works alongside general contractors and inspectors to complete underground, rough-in, and final inspections according to approved construction documents and code requirements.

Project Type

Commercial sanitary and drainage systems are installed across a range of facility types requiring coordinated construction and inspection sequencing.

Commercial plumbing installation for a municipal fire station in Durham, NC, ensuring high-pressure water system reliability by D&L Plumbing
High-standard sanitary plumbing systems and water filtration installation for a Durham elementary school project by D&L Plumbing Inc.
Internal view of high-efficiency plumbing systems installed in a large-scale commercial storage facility by D&L Plumbing.
Commercial plumbing system retrofit and facility renovation for higher education buildings in Durham by D&L Plumbing.

Recent Project List

Sanitary & Drainage System Across North Carolina

DL Plumbing Inc. performs sanitary and drainage installations for projects located throughout North Carolina, coordinating with local inspection jurisdictions and project requirements.

The Triangle

Raleigh
Durham
Cary
Chape Hill
Apex

The Triad

Greensboro
Winston-Salem
High Point
Burlington

Discuss Your Commercial Plumbing Project

Planning a commercial project? Our team can review specifications and coordinate plumbing scope requirements during bidding and pre-construction phases.

Request Project Consultation