# Southeastern Pennsylvania Transportation Authority (septa) Septa #Item 26-00240-ADMD

SEPTA 40th Street Substation and Traction-Power Infrastructure Build

**Posted:** October 15, 2026
**Respond By:** October 30, 2026
**Identifier:** Item 26-00240-ADMD
**NAICS:** 237130, 238210, 221122

SEPTA is seeking a contractor to build and commission the 40th Street Substation and associated traction-power infrastructure in Philadelphia.
- Government buyer: Southeastern Pennsylvania Transportation Authority (SEPTA), Procurement & Supply Chain Management.
- Requested work: Install, integrate, coordinate, test, and commission the 40th Street Substation to support the DC traction-power system serving five Subway Surface Trolley Lines.
- Associated construction: Build manholes and underground duct banks for 630 V DC feeder connections between the existing Market Street #4 and Woodland Avenue #22 substations.
- Products, part numbers, and quantities: No specific products, models, part numbers, or quantities are listed.
- OEMs and named vendors: None identified.
- Period of performance: 863 calendar days from the notice to proceed.

### Description

SEPTA is soliciting sealed bids for installation, integration, coordination, testing, and commissioning of the 40th Street Substation to support the DC traction power system serving five Subway Surface Trolley Lines. The work also includes constructing new manholes and underground duct banks for 630 V DC traction power feeder connections between the existing Market Street #4 and Woodland Avenue #22 substations. The contract duration is 863 calendar days from the notice to proceed, and bids must be submitted through SEPTA’s eProcurement system. Addendum No. 2 rescheduled the bid opening to October 30, 2026, at 11:30 a.m.

[View original listing](https://wwww.septa.org/procurement/bids/40th-street-substation-build-gc-ec-mc/)