bid award · K-4
K-4 - Engineering Services Agreement Proposal, Map and Estimate - Sewer Interceptor Project
Page 2 of 4
Text read by the vision model; check the PDF for anything that matters.10-INCH SEWER BY PIPE BURSTING
12-INCH SEWER BY TRENCH CONSTRUCTION
12-INCH SEWER WITH 20-INCH STEEL CASING
8-INCH SEWER BY TRENCH CONSTRUCTION
12-INCH SEWER WITH 20-INCH STEEL CASING
15-INCH SEWER BY TRENCH CONSTRUCTION
HART-FREDERICK CONSULTANTS P.C.
510 State Street P.O. Box 560 TIFFIN, IOWA 52340-0560
Phone: (319) 545-7215 Fax: (319) 545-7220
www.hart-frederick.com
LOCATION MAP
POTTER CREEK TRUNK SEWER CAPACITY IMPROVEMENTS
CROELL AVENUE RELIEF SEWER
CITY OF TIFFIN, IOWA
PROJECT NO.: 21218.244
DRAWING NO.: SHEET 1 OF 1
Sources
- sharepoint (K-4 - Engineering Services Agreement Proposal, Map and Estimate - Sewer Interceptor Project .pdf) — where it was found ↗ first seen Oct 12, 2026
Data last updated October 15, 2026. Built from the archive's documents; see how the data is built.