Davenport Ionwave #26-76 Addendum 1

Davenport Junior Theatre HVAC and Utility Upgrade – Trane, Weil-McLain, Modine, Equinox, Liberty, and More

The City of Davenport, Iowa is seeking bids for the Annie Wittenmyer Utility Separation - Junior Theatre HVAC Upgrade project at 2776 Eastern Avenue. - Government Buyer: - City of Davenport Engineering Department and Purchasing Division - Project Scope: - Upgrade and separation of utility services (electric, gas, water, sanitary) for the Junior Theatre - Installation of new HVAC equipment, including: - Owner-furnished, contractor-installed Trane air handling unit (model UCCAM21A0J0EYD22) - Weil-McLain condensing boilers (model EVG 220, 2 units) - Modine electric unit heaters (model HER50, 8 units) - Equinox electric baseboard heaters (various models, 7 units) - Liberty grinder pump (model LSG202-RE) - Taco cartridge circulators (model 0014, 3 units) - J.L. Wingert pot feeder (model F-DB-2HD) - Wessels expansion tank (model NTA-40) - Watts backflow preventers (model LF009, 2 units) - Trane convertible air handler (model TPVA0A0301AA70A) with electric heat kit (EH08-MPA-MB) - Duct insulation and liner from approved OEMs: Johns-Manville, Owens Corning, Armacell, Pittsburgh Corning, CertainTeed, Knauf, Aeroflex - Electrical panel and dedicated meter - Simplex sewage ejector pump - Demolition of existing steam and condensate piping, ductwork modifications, and insulation - Alternate bid: Ducted HVAC mini-split system for basement perimeter spaces (multi-position air handling unit ventilator and air-cooled condensing unit heat pump) - Notable Requirements: - Prime contractor must hold a valid City of Davenport Class A Contractor License - Subcontractors must have appropriate Hydronics, Mechanical, Electrical, and Plumbing licenses - Insurance and bonding required; liquidated damages of $1,000 per day for late completion - All work must comply with SUDAS and City of Davenport supplemental specifications - Coordination with concurrent utility projects and adherence to codes and standards - OEMs Highlighted: - Trane, Weil-McLain, Modine, Equinox, Liberty Pumps, Taco, J.L. Wingert, Wessels, Watts, Johns-Manville, Owens Corning, Armacell, Pittsburgh Corning, CertainTeed, Knauf, Aeroflex - Products/Services Requested: - Detailed equipment list with part numbers and quantities (see below) - Installation, demolition, and upgrade services for HVAC and utility systems

Description

The City of Davenport is soliciting bids for the Annie Wittenmyer Utility Separation Project - Junior Theatre HVAC Upgrade located at 2776 Eastern Avenue. The project scope includes upgrading the theatre's HVAC system, connecting to new utility services, and installing new equipment such as air handling systems, boilers, electric heaters, sewage ejector, electrical panels, and meters. A pre-bid meeting is scheduled for June 24, 2026, and bids must be submitted electronically by July 8, 2026. Contractors must hold appropriate licenses and comply with specified insurance and bonding requirements.

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