# City of Philadelphia PHLContracts Periscope #B2727814

Philadelphia Airport Satellite Thermal Plant electrical and chiller upgrades

**Posted:** November 06, 2026
**Respond By:** December 01, 2026
**Identifier:** B2727814
**NAICS:** 238210

The City of Philadelphia Department of Aviation is seeking bids for electrical work on the Satellite Thermal Plant chiller and cooling tower upgrades at Philadelphia International Airport.
- **Buyer and opportunity**
  - City of Philadelphia, Department of Aviation, Philadelphia International Airport; Aviation Public Works Buyer.
  - Electrical solicitation B2727814, project PHL-1675.15. Related project packages cover general, electrical, and mechanical work.
- **Named manufacturers and platforms**
  - **Trane** — CDHF centrifugal chillers.
  - **Bell & Gossett** — pumps.
  - **3M** — DC Series side-stream filters.
  - **Reznor** — electric unit heater.
  - **Eaton** — basis-of-design medium-voltage switchgear.
  - **GPS** — IMOD bipolar ionization generator; manufacturer identity is not further specified.
  - **Tridium** — N4 building automation system platform referenced for integration.
- **Key equipment and quantities**
  - Two Trane CDHF water-cooled centrifugal chillers, 2,000 tons each, using R-514A refrigerant.
  - Three Bell & Gossett E-HSC 16X16X13 primary chilled-water pumps; one Bell & Gossett E-90 inline pump for the rooftop air-handling unit.
  - Six existing cooling towers to be refurbished; two 4,160 V load interrupter switches; two 3M Model 12DC side-stream filters.
  - One rooftop air-handling unit, one GPS IMOD ionization generator, one Reznor EUH-TSL electric heater, and one temporary cooling system rated for at least 4,000 tons in an N+1 arrangement.
- **Scope and notable requirements**
  - Electrical work supports chiller and cooling-tower upgrades, including related equipment connections and coordination with mechanical and general contractors. The broader project includes chilled- and condenser-water upgrades, pump and VFD work, tower refurbishment, piping, structural work, and BAS integration.
  - Temporary cooling must be installed and operating before demolition and maintain cooling during changeover. Coordinate airport security, commissioning, controls integration, testing, documentation, and operator training.
  - Integrate with the existing CM3 (Tridium N4) BAS; provide three years of BAS service after acceptance. The GPS IMOD requires UL-2998 certification, ozone below 5 ppb, and a three-year parts-only warranty.
  - The project duration is 580 calendar days from Notice to Proceed; an approved winter shutdown does not count toward project time. The stated estimate for the electrical opportunity is over $1 million and up to $2 million.
  - The solicitation identifies a 17% SBE subcontractor participation range.

### Description

The City of Philadelphia Department of Aviation seeks bids for electrical work under the Satellite Thermal Plant Chiller and Cooling Tower Upgrades project at Philadelphia International Airport (PHL-1675.15). The solicitation covers electrical upgrades associated with the satellite thermal plant chiller and cooling tower project. The estimated value is greater than $1,000,000 and up to $2,000,000, with an SBE subcontractor range of 17%. A nonrefundable $200 bid processing fee and specified bid forms and supporting documents are required; the opportunity is identified as for approved sellers only.

[View original listing](https://www.phlcontracts.phila.gov/bso/external/bidDetail.sda?docId=B2727814&external=true&parentUrl=close)