# Davenport Ionwave #27-28

Generator inspection and preventive maintenance for 16 City of Davenport locations

**Posted:** October 26, 2026
**Respond By:** November 12, 2026
**Identifier:** 27-28
**NAICS:** 811310

The City of Davenport is seeking a contractor to maintain and inspect generators at 16 City-owned locations.
- **Government buyer:** City of Davenport, Iowa — Public Works Department, Facilities Maintenance.
- **OEMs:** **Cummins**, **Onan** (a Cummins brand), **Kohler** (also spelled “Koehler” in bid lines), **Caterpillar**, and **Generac**.
- **Named vendors / plan holders:** Altorfer Inc., Ardent Technologies Inc., Cummins Central Power, LLC, and Interstate Power Systems. No award is reported.
- **Requested services:** Annual full service and a six-month inspection for each of 16 generators (32 scheduled service line items total). The scope includes oil-sampling tests, cleaning, lubrication, adjustments, approved parts replacement, repairs, periodic safety testing, reporting, and emergency call-out service. An initial written life-expectancy assessment with replacement or overhaul recommendations is required for each generator.
- **Generator inventory:** City Hall/IT — Cummins 6BT5.9-GEN, manufacturer number DR (126); Compost — Onan, DNAF-3384306; Facilities Maintenance — Onan DFED 500 KW; Police Department — Kohler, 100RE02DB; Water Pollution Control UV — Onan, QXS15-G9; Modern Woodmen Park — Onan, GNTA14-c431; River Center Ramp — Onan, 4B3.9GS; Water Pollution Control Pump Station — Cummins, OSK23-G7; new Fire Station 3 — Caterpillar, D500GC; Fire Central Station — Generac, SD0300GG; Fire Station 3 — Onan, DGCA50 KW; Fire Station 4 — Onan, DGBB 35 KW; Fire Station 5 — Kohler, 20 ROZJ 81; Fire Station 8 — Kohler, 20 ROZJ61; 18th & Marlo — Cummins, C30N6; J.M. Morris Blvd — Onan, C36N6.
- **Notable requirements:** Use OEM replacement parts only; respond to emergencies within one hour during normal business hours, provide after-hours emergency availability, and maintain a service office within a one-hour drive of the Public Works facility. Failed equipment must be restored within two regular working days. Police Department technicians require a background check paid for by the City.
- **Initial work:** Inspect all listed generators within 90 days of contract award. Bidders must provide pricing for each of the five contract years.

### Description

The City of Davenport is seeking bids from qualified vendors to inspect, service, and perform preventive maintenance on generating equipment at various City-owned properties. The work includes annual full-service maintenance and a six-month inspection, along with oil sampling, testing, reporting, and other specified maintenance and repair services. The anticipated contract term is one year, with four annual renewals; bidders must provide pricing for each of the five years. Bids must be submitted through the City of Davenport’s e-bidding system by November 12, 2026, at 10:00 AM CT.

[View original listing](https://davenport.ionwave.net/PublicDetail.aspx?bidID=3752&SourceType=1)