240-861-5050

  • OSHA 10/30 Certified
  • MUTCD Work Zone Capable
  • Multi-State Coverage — MD · VA · DC · DE · PA
  • Subcontract-Ready Engagement

Underground Infrastructure Labor for Utility & Public Works Projects

OSHA-trained, foreman-led crews for water main, sewer, storm drain, and utility infrastructure projects across Maryland, Virginia, Washington DC, Delaware, and Pennsylvania. Subcontract-ready. DOT work zone coordination available.

OSHA 10/30 Certified  ·  MUTCD-Compliant Work Zones Available  ·  Foreman-Led Field Operations

Crew Capabilities

Underground Construction Crew Types

LADMA deploys foreman-led utility crews experienced in underground infrastructure installation across public and private right-of-way. Each crew type is staffed for the operational demands of that specific scope — not pulled from a general labor pool.

Water Main Installation Crews

Experienced crews for new water main installation, main replacement, and system extension work on public and private water distribution projects. Crews are familiar with ductile iron, HDPE, and PVC pipe installation, thrust restraint, and connection to existing live mains under pressure.

Typical Scopes Water main replacement, system extensions, fire hydrant installation, valve replacements, pressure testing and disinfection support
Example Projects Municipal water main renewal programs, developer-driven water infrastructure for site development, WSSC and DC Water project support
Traffic control coordination available →

Sewer Main Construction Crews

Crews experienced in sanitary sewer main installation, manhole construction, and sewer system rehabilitation support. Familiar with gravity sewer grading requirements, bedding and backfill procedures, and coordination with municipal inspection schedules for public sewer infrastructure projects.

Typical Scopes Sanitary sewer installation, manhole construction and rehabilitation, sewer main replacement, CIPP lining support, service lateral tie-ins
Example Projects Municipal sewer rehabilitation programs, combined sewer separation projects, public works sewer extension work
TCP coordination for sewer ROW work →

Storm Drain Crews

Crews experienced in storm sewer pipe installation, inlet and structure construction, and outfall work on roadway and site development projects. Familiar with MDOT SHA, VDOT, and county agency stormwater requirements and inspection protocols.

Typical Scopes Storm drain pipe installation, inlet and manhole construction, outfall work, drainage structure replacement, roadway drainage upgrades
Example Projects Roadway improvement projects with drainage components, county stormwater system upgrades, site development drainage installation

Equipment Operators

Excavator, loader, and skid steer operators with hands-on experience in utility trench excavation, controlled backfill operations, and equipment-intensive underground construction. Available to integrate into existing GC project teams or deployed as part of a full LADMA crew package.

Equipment Types Excavators (tracked, compact), wheel loaders, skid steer loaders, trenching support
Typical Use Utility trench excavation, backfill and compaction, material handling, confined urban corridor work

Utility Foremen

Field supervisors with operational experience directing underground utility crews on public works and utility contractor projects. Capable of managing daily crew coordination, GC interface, inspection readiness, and field documentation requirements on multi-week and multi-phase utility construction programs.

Responsibilities Crew supervision, safety briefings, daily reporting, GC coordination, inspection readiness, subcontractor documentation
Deployment Available as part of a full crew package or as a standalone field supervisor integrated into an existing workforce

House Water & Sewer Connections

Crews experienced in residential and commercial service lateral installation, including house water connections, sewer lateral tie-ins, and curb stop and meter setting work. Familiar with local jurisdiction requirements for service connection permits and inspections across Maryland, Virginia, and DC.

Typical Scopes Service lateral installation, house connections, meter setting, curb stop installation and replacement, sewer lateral tie-ins
Example Projects Municipal water main replacement programs with service renewal, site development utility connections, connection programs for WSSC and DC Water
Where We Work

Project Applications & Infrastructure Types

LADMA's infrastructure labor crews are designed to support utility GCs, municipal contractors, and public works project teams across the full range of underground construction project types common to the Mid-Atlantic region.

  • Municipal water main replacement and system renewal programs
  • Sanitary sewer rehabilitation and replacement contracts
  • Storm sewer installation on roadway improvement projects
  • Service lateral renewal and house connection programs
  • Utility corridor installation within DOT and county right-of-way
  • Developer-driven utility infrastructure for commercial site development
  • Emergency utility repair and infrastructure restoration response
  • Public works projects requiring OSHA-compliant subcontract labor
  • Multi-phase utility construction programs requiring scalable crew deployment
  • WSSC, DC Water, and municipal DPW-coordinated infrastructure work
Utility crew working in open trench on sewer main installation with shoring visible

Representative: sewer main installation on urban arterial, Montgomery County MD

Compliance & Subcontract Posture

Built for Government & Contractor Procurement Requirements

LADMA's infrastructure labor division is structured as a subcontract-ready operation, not a staffing agency. That distinction matters when you are managing public works contracts with DOT oversight, agency inspection requirements, and safety and documentation requirements built into your prime contract.

All field personnel carry current OSHA 10 or OSHA 30 certifications appropriate to their role. Foremen conduct pre-shift safety briefings tailored to daily site conditions, and all field operations are documented for client-accessible reporting. This supports your project's inspection readiness and audit trail requirements without creating additional administrative burden on your project management team.

Where utility work runs through public right-of-way, LADMA's traffic control division can coordinate lane closure permits, TCP design, and work zone flagging operations in parallel with the labor deployment. This means your MOT compliance and your underground crew are managed under the same subcontract framework, with a single point of coordination for both scopes.

Ready to review subcontract documentation? Contact our team →

  • OSHA 10/30 Certified Field Personnel
  • Foreman-Led Crew Supervision on Every Deployment
  • Daily Safety Briefings & Field Documentation
  • Inspection-Ready Reporting Available to Client
  • Subcontract Agreement Structure (Not Temp Agency)
  • Insured Operations — Documentation Available on Request
  • DOT Work Zone Coordination Through LADMA Traffic Control Division
  • Multi-State Coverage: MD, VA, DC, DE, PA
Integrated Capability

Traffic Control + Utility Labor. One Subcontract.

Utility work within public right-of-way creates two parallel operational requirements: work zone traffic control that meets DOT permit standards, and underground construction crews that can execute the pipe work safely and on schedule. Most GCs source these from separate subcontractors, managing two agreements, two points of coordination, and two sets of compliance documentation.

LADMA operates both capabilities under one organization — a rare integrated model in the Mid-Atlantic market. Our traffic control division handles TCP design, lane closure permit applications, and field flagging operations. Our infrastructure labor division deploys the underground crews. Both scopes are coordinated internally, which means your project superintendent has one subcontractor contact managing both sides of the job site.

For utility GCs working on state highway corridors, WSSC contracts, or multi-phase public works programs, this integrated model reduces coordination overhead, simplifies insurance and bonding documentation, and eliminates the scheduling conflicts that arise when two separate subcontractors are working in the same lane closure window.

What We Can Cover Under One Agreement
  • Traffic control plan design and permit application support
  • Lane closure operations and flagging crew deployment
  • MUTCD and state DOT-compliant work zone setup
  • Water main, sewer, and storm drain installation crews
  • Equipment operators for trench excavation and backfill
  • Utility foreman supervision and GC coordination
  • House water and sewer connection crews
  • Daily documentation for both scopes, client-accessible
Service Area

Infrastructure Labor Coverage Across the Mid-Atlantic

LADMA deploys infrastructure labor crews across Maryland, Virginia, Washington DC, Delaware, and Pennsylvania, covering the full range of DOT jurisdictions and county/municipal permitting authorities common to Mid-Atlantic public works and utility construction.

Our operational base in the Maryland/DC metro area supports mobilization for utility projects across the region. For projects outside the immediate metro area, crew deployment timelines depend on project scope, scheduling, and lead time — contact our team to discuss availability for your specific project location and start date.

Infrastructure labor deployments can be coordinated with traffic control operations across all five states, with each jurisdiction's DOT permitting and MUTCD compliance requirements handled through LADMA's traffic control division.

Project Profile

Representative Project Profile

Representative Example — Not a Documented Project Record
Project Type Water main replacement with service lateral renewal and house connections
Location Montgomery County, Maryland (representative)
Road Classification Urban arterial, 4-lane divided, MDOT SHA jurisdiction
Utility Scope 900 LF water main replacement, 6 service lateral renewals, 1 hydrant relocation
Crew Composition Utility foreman, 2 pipe layers, equipment operator, general laborer
Duration 4 weeks, daytime operations with phased lane closures
Coordination MDOT SHA lane closure permit, WSSC inspection coordination, TCP design and flagging operations provided by LADMA traffic control division under same subcontract

Projects of this type require coordinated execution across two operational scopes: a compliant work zone that satisfies MDOT SHA permit conditions and keeps the lane closure schedule on track, and an underground crew that can execute pipe work, service connections, and pressure testing within that window. LADMA's ability to manage both scopes under one subcontract agreement reduces the coordination overhead on your project management team and eliminates scheduling conflicts between your flagging and your pipe crew. Learn about our TCP and MOT plan capabilities →

Have a Project Coming Up?

Let us know your project scope, location, and start date. We'll confirm crew availability and discuss how LADMA can support your utility or public works project — including traffic control coordination if needed.

Common Questions

Frequently Asked Questions

Answers to the questions utility contractors and public works buyers ask most when evaluating LADMA's infrastructure labor capabilities.

LADMA deploys foreman-led crews for water main installation and replacement, sanitary sewer main construction, storm drain installation, house water and sewer connections, and equipment operation (excavator, loader, skid steer). All crews are structured as subcontract-ready operations, not general labor placements, and include field supervision as part of every deployment. Crews are experienced in underground utility construction across public and private right-of-way in Maryland, Virginia, Washington DC, Delaware, and Pennsylvania.

A staffing agency places individual workers on your payroll or time sheets. LADMA operates as a subcontractor: we supply foreman-led crews under a subcontract agreement, manage field supervision internally, handle OSHA compliance documentation, and provide daily reporting to your project team. You don't manage our workers directly — you manage the subcontract. This structure is designed to meet the subcontractor qualification requirements on public works and utility GC projects, including those with DOT oversight, agency inspection requirements, and documented safety compliance expectations.

Yes — and this is LADMA's primary competitive differentiator in the Mid-Atlantic market. Our traffic control division handles TCP design, lane closure permit applications, and work zone flagging operations. Our infrastructure labor division supplies the underground utility crews. Both scopes are managed under a single subcontract agreement with one internal coordination point. For utility GCs working in DOT right-of-way, this eliminates the scheduling conflicts that arise when a flagging subcontractor and a pipe crew subcontractor are operating in the same lane closure window from separate agreements.

All LADMA field personnel carry current OSHA 10 or OSHA 30 certifications appropriate to their role — OSHA 10 for general laborers and equipment operators, OSHA 30 for foremen and supervisors. Safety documentation is maintained and available for subcontractor qualification review. Where traffic control is part of the deployment scope, flagging personnel hold current ATSSA flagger certifications in compliance with state DOT requirements across MD, VA, DC, DE, and PA. Additional certification documentation is available upon request for project-specific procurement requirements.

LADMA's infrastructure labor operations cover Maryland, Virginia, Washington DC, Delaware, and Pennsylvania. Our primary operational base is in the Maryland/DC metro area, with established project experience across MDOT SHA, VDOT, DDOT, DelDOT, and PennDOT jurisdictions. Project availability outside the immediate metro area depends on scope, scheduling, and lead time. Contact our team with your project location and start date to discuss current availability and mobilization logistics for your specific corridor.

To confirm availability and provide a subcontract scope discussion, we need: project location and jurisdiction, crew type needed (water main, sewer, storm drain, equipment operators, or a combined scope), estimated project duration, anticipated start date, and a brief description of the work scope. If traffic control will also be required, include the road classification and lane closure type so our traffic control division can review that scope in parallel. Submit this through our crew availability request form or call us directly at (240) 861-5050 for time-sensitive projects.

Get Started

Need Utility Construction Crews for Your Next Project?

LADMA's infrastructure labor division is available for utility GC projects, public works contracts, and multi-scope deployments requiring both traffic control and underground crews. Tell us your scope and we'll confirm availability.

Available for subcontract agreements, time-and-material, and project-based engagements  ·  Multi-state deployment across MD, VA, DC, DE & PA