# Davenport Ionwave #27-22 Addendum 1

Duck Creek Golf Course Maintenance Building Concrete Repairs and Optional Floor Coating

**Posted:** September 18, 2026
**Respond By:** October 09, 2026
**Identifier:** 27-22 Addendum 1
**NAICS:** 238110, 238190, 238320

The City of Davenport is seeking bids for concrete repairs at the Duck Creek Golf Course Maintenance Building, with an optional garage-floor coating.
- **Government buyer:** City of Davenport, Parks and Recreation Department, Golf Division; Purchasing Division is identified in the bid invitation.
- **Requested work:** Repair deteriorated concrete, including removal to sound material, surface preparation, treatment of exposed reinforcing, forming, and placement of repair materials.
  - Shallow repairs: 60.5 sq. ft., with removal depth of 1½ inches or less.
  - Regular repairs: 139.2 sq. ft., with removal depth greater than 1½ inches.
  - Drawings also identify vertical patching; the bid invitation does not provide a separate quantity for it. Mobilization is a separate lump-sum item.
  - Optional concrete coating: 1,500 sq. ft. of garage floor; the City may perform this separate item depending on bid results and available funds.
- **Notable named manufacturers and products:**
  - **Euclid:** Dural Top, Duralprep A.C., Flowable Mortar, EucoCrete Supreme, and Speed Crete PM.
  - **Sika:** Sika Armatec 110 EpoCem, SikaQuick 1000, SikaCrete 100 CI, SikaQuick VOH, SikaEmaco 1061, SikaEmaco 1061 EX, and SikaEmaco 425 Gel Patch.
  - **Penntek Industrial Coatings:** Polyurea Shop Floor System is the coating basis of design, or equal.
  - **Anchor-system manufacturers:** **Hilti** (HIT RE 500, HIT HY 200, HIT HY 270, Kwik Bolt TZ, Kwik Bolt 3, HLC Sleeve); **DeWalt** (PURE 110+, AC200+, AC100+ Gold, Power-Stud+ SD1, Power-Stud+ SD2, Lok-Bolt AS); **ITW/Red Head** (C6+, Epcon A7, Trubolt+, Dyna Bolt); and **Simpson** (SET XP, SET, Wedge-All, Strong Bolt).
  - Drawings are identified as prepared by Shive-Hattery.
- **Key requirements and coordination:** The contractor must follow the project plans and applicable Iowa SUDAS specifications. Retain existing reinforcing where possible and report reinforcing-steel section loss before adding reinforcement. The City will remove and reinstall conduits and HVAC ducts as needed and clear furnishings; upper-level work is anticipated before lower-level work. The Penntek coating system or an equal is specified, with at least five years of installation experience required for the manufacturer and installer. Proposed equal products require supporting product information and review or approval as applicable.
- **Budget information:** The engineer’s estimate is $46,000, including the base work, $4,200 owner contingency, and optional coating. Contingency use requires prior written City permission; unused funds are credited back.
- **Period:** No fixed start date, contract duration, option years, or annual subscription is specified. Anticipated completion is between mid-November and mid-December 2026.

### Description

The City of Davenport is accepting bids for concrete floor repairs at the Duck Creek Golf Course maintenance facility. Work includes providing labor, materials, equipment, and services to remove damaged concrete, clean and prepare surfaces, reinforce, and pour concrete repairs. The bid includes shallow and regular concrete repair work, mobilization, and an optional concrete coating; the addendum also includes a $4,200 owner contingency allowance. Bids must be submitted through the City of Davenport e-bidding system by October 9, 2026, at 9:00 AM CT.

[View original listing](https://davenport.ionwave.net/PublicDetail.aspx?bidID=3743&SourceType=1)
