Client Type: Client Type 1

Line Structure and Stations Projects

Artheon provided full project and construction management for major MTA railroad infrastructure upgrades across four key areas:
1) 53rd Street Tube Pump Room Rehab: Comprehensive overhaul of damaged systems and components, rehab of key facilities along the subway line, and ensured resilience against future natural disasters at multiple locations.
2) Rutgers Subway Tube Rehabilitation: 4,000 feet of track replacement, signal modernization, third rail and communication upgrades, tunnel pumps, vent plants, structural steel repairs, ADA platform improvements, and flood resiliency.
3) 8th Avenue Subway Line Rehabilitation: Structural tunnel repairs, duct-bench replacement, water infiltration repairs, fiber optic cable installation, new communication node house, fan plant and power upgrades, lighting, and railroad station enhancements.
4) 14th Street Station Complex – ADA & Repairs: Modernization of three railroad stations, nine new elevators, 57 stairs reconstructed, new fare control and employee areas, safety systems, CCTV, platform edge reconstruction, and general repairs.

All work occurred in active rail environments, requiring outage planning and coordination, stakeholder engagement, 24/7 construction oversight, and complex scheduling. Artheon’s scope covered project logistics, site access, construction and operational phasing, evaluation of value engineering/alternative technical concepts, review of contractor means and methods, force account coordination, track outage planning, site inspections, stakeholder and design compliance, decommissioning and commissioning, and risk/safety/quality/environmental oversight. Full office engineering support included invoice reviews, shop drawing/code compliance, NEPA, field issue resolution and preparation of project status reports and dashboards.

Repairs of Structural Defects, Lexington and Jerome Avenue Subway Lines

In this systemwide IDIQ design-build contract for structural repairs, Artheon serves as Lead Designer, providing full engineering services for the structural rehabilitation of the Lexington Avenue and Jerome Avenue Lines, spanning from 42nd Street Station in Manhattan to 161st Street Station in the Bronx. Artheon led field inspections identifying over 500 structural deficiencies, prepared detailed condition assessment reports, and developed repair designs and calculations to restore deteriorated elements. The scope includes repairs for steel corrosion, concrete spalls, compromised connections, and leaking.

Elevator and Escalator Replacement at 23 Subway Stations in 4 NYC Boroughs

Replacement of 21 escalators and 37 elevators at 23 Subway Stations in 4 NYC Boroughs. Fully integrated project/construction management team, quality and safety oversight, daily inspection, etc.