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:   Lake Wapello State Park  Date: 6/18/2026  Project No.  
  Wastewater Improvements  County:   DAVIS  Time: 11:00 a.m.  26-05-26-01

 

 
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Estimated Cost: $405,000.00
Contractor: 
Joiner Construction Co IncLeffler Dirtworks LLC
Funding Source: 100% Infrastructure, 11996 490th Street
PO Box 27
2272 320th St

Plano IA  52581Oskaloosa IA  52577  
Plan Sets Requested: 5
Quantities
641-649-2646641-226-2231
No.Description:No.UnitUnit Price AmountUnit Price AmountUnit Price Amount
1Excavation, Class 1030C.Y.$100.00$3,000.00 $45.00$1,350.00 $0.00 
2Sanitary Sewer Gravity Main, Trenched, PVC, 6"62L.F.$120.00$7,440.00 $110.00$6,820.00 $0.00 
3Removal of Sanitary Sewer, 4"16L.F.$120.00$1,920.00 $50.00$800.00 $0.00 
4Manhole, SW-301, 48"1Each$5,500.00$5,500.00 $8,500.00$8,500.00 $0.00 
5Sanitary Sewer, Valve, Plug, 6"2Each$4,000.00$8,000.00 $4,500.00$9,000.00 $0.00 
6Baffle Curtain1Each$18,500.00$18,500.00 $22,000.00$22,000.00 $0.00 
7Aeration Equipment1L.S.$150,000.00$150,000.00 $160,000.00$160,000.00 $0.00 
8Chemical Tablet Feeder2Each$8,500.00$17,000.00 $3,900.00$7,800.00 $0.00 
9Composite Sampling Manhole1Each$16,500.00$16,500.00 $14,500.00$14,500.00 $0.00 
10Flow Meter and Manhole1Each$17,500.00$17,500.00 $18,000.00$18,000.00 $0.00 
11Septic Tank, 1,250-gal2Each$10,500.00$21,000.00 $7,500.00$15,000.00 $0.00 
12Chain Link Fence, Commercial21L.F.$175.00$3,675.00 $75.00$1,575.00 $0.00 
13Removal of Fence238L.F.$3.00$714.00 $16.00$3,808.00 $0.00 
14Erosion Control1L.S.$2,000.00$2,000.00 $6,000.00$6,000.00 $0.00 
15Site Restoration1L.S.$8,500.00$8,500.00 $8,500.00$8,500.00 $0.00 
16Mobilization 1L.S.$20,000.00$20,000.00 $30,000.00$30,000.00 $0.00 
17Electrical, Complete1L.S.$95,000.00$95,000.00 $100,000.00$100,000.00 $0.00 
      $396,249.00  $413,653.00  $0.00 
 



 

6/26/2026