IOWA DEPARTMENT OF NATURAL RESOURCES
ENGINEERING BUREAU

INFORMAL BID TAB
NOTICE: This document represents bids that were opened on the letting date and may be subject to further review. This is not the official bid tab.

 Bids For:  Location:   Lewis and Clark State Park Visitors Center  Date: 1/22/2026  Project No.  
  HVAC System Replacement  County:   MONONA  Time: 11:00 a.m.  26-01-67-01

 

 
1
2
3
Estimated Cost: $450,000.00
Contractor: 
TNM, LLC dba MTC MechanicalC.W. Suter & Son, IncThompson Solutions Group
Funding Source: 100% Infrastructure, 1501 Tri View Ave
1800 11th St
2300 7th Street
Sioux City IA  51103Sioux City IA  51101Sioux City IA  51105
Plan Sets Requested: 0
Quantities
712-224-2540712-252-3007712-252-4221
No.Description:No.UnitUnit Price AmountUnit Price AmountUnit Price Amount
1MOBILIZATION1L.S.$15,585.00$15,585.00 $15,660.00$15,660.00 $12,450.00$12,450.00 
2EXISTING HVAC DEMOLITION1L.S.$5,250.00$5,250.00 $17,800.00$17,800.00 $14,256.00$14,256.00 
3NEW HVAC UNITS - EQUIPMENT AND INSTALL1L.S.$164,930.00$164,930.00 $182,767.00$182,767.00 $226,114.00$226,114.00 
4GEOTHERMAL VAULT, VALVES AND GLYCOL REPLACEMENT1L.S.$165,000.00$165,000.00 $173,250.00$173,250.00 $165,000.00$165,000.00 
5BORING1L.S.$20,000.00$20,000.00 $0.00$0.00 $20,000.00$20,000.00 
6EXISTING ELECTRICAL DEMOLITION1L.S.$5,570.00$5,570.00 $1,285.00$1,285.00 $2,000.00$2,000.00 
7NEW ELECTRICAL CONNECTIONS AND BREAKERS1L.S.$12,590.00$12,590.00 $11,669.00$11,669.00 $6,544.00$6,544.00 
8MISC. ELECTRICAL1L.S.$3,487.00$3,487.00 $1,438.00$1,438.00 $2,000.00$2,000.00 
      $392,412.00  $403,869.00  $448,364.00 
 



 

2/19/2026