R&R Contracting utility crew
Case Study

New Sewer Main Installation

New sanitary sewer main installation through undeveloped terrain requiring deep excavation, dewatering, and coordination with existing utility crossings.

Project Details

Overview

R&R provided a specialized crew for the installation of 2,500 linear feet of new sanitary sewer main in Lorton, VA, working under Virginia American Water's specifications in challenging soil conditions.

Location

Lorton, VA

Client

Virginia American Water

Summary

Virginia American Water engaged R&R Contracting Utilities to supply an experienced utility crew for the installation of a new sanitary sewer main in the Lorton area of Fairfax County, Virginia. The project was part of a broader infrastructure expansion to support new development in the region.

Scope of Work

R&R deployed a 10-person crew including pipe layers, equipment operators, and a utility foreman. The team executed:

  • Deep trench excavation through mixed soil conditions including clay and rock
  • Installation of PVC sanitary sewer main to Virginia American Water specifications
  • Construction of new manholes at specified intervals
  • Active dewatering operations to maintain dry working conditions
  • Coordination around existing utility crossings (gas, water, telecom)
  • Backfill, compaction, and grade restoration

Challenges

The alignment crossed several existing utility corridors requiring hand excavation within tolerance zones. High groundwater conditions demanded continuous dewatering throughout the pipe laying operation. R&R's crew managed both challenges without schedule impact.

Results

  • All installations passed Virginia American Water inspection on first attempt
  • No utility strikes despite multiple underground crossings
  • Schedule maintained through adverse soil and water conditions
  • Full compliance with Virginia DEQ erosion and sediment control requirements
24

Project Duration in Months

10

Project Crew Size

$4.75M

Contract Value

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Client
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Certification

Certified Across Five States

R&R Contracting holds certifications that reflect our commitment to diversity and minority participation. These designations enable prime contractors to meet federal and local participation requirements on DOT-funded and government projects.

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