NE 29th Street Culvert Lining

Polk County is seeking bids to rehabilitate a 120-inch culvert on NE 29th Street through SRPE slip-lining, flowable-mortar grouting, concrete headwall construction, and related site restoration.

Polk County > Polk County Government > Public Works Department


General
Open
254-2627
Oct 15, 2026 07:00 PM
Sep 30, 2026 07:21 PM
1 month
Invitation for/to Bid (IFB/ITB)
Local
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Original Solicitation Links
Contact
kristen.lee@polkcountyiowa.gov
+15152863870
Submission Instructions
Online
Bid Bond, Bidder Status Form, Signature Page, Bid pricing items
Description

Polk County is soliciting bids for construction to rehabilitate an existing 120-inch CMP culvert on NE 29th Street. The work includes approximately 153 linear feet of steel-reinforced polyethylene pipe slip-lining, approximately 155 cubic yards of flowable mortar or foamed cellular concrete to fill the annular void, and construction of two reinforced concrete headwalls. The project also includes clearing and grubbing, seeding, revetment placement, dewatering, culvert cleaning and preparation, utility coordination, and maintenance of access to adjacent properties. The SRPE liner must be manufactured in the United States and comply with specified ASTM or AASHTO standards. Bidders must submit required product data, structural design calculations, and a grouting plan certified by an engineer. The contract will be awarded to the lowest responsive, responsible bidder based on unit prices.

Classification Codes
NAICS237110Water and Sewer Line and Related Structures Construction
PSCZ2LCREPAIR OR ALTERATION OF TUNNELS AND SUBSURFACE STRUCTURES
Smart Codes
culvert rehabilitationstormwater pipe liningconcrete headwall construction
Specifications
Service
Timeline
Sep 30, 2026 07:21 PM-Publication Date
Oct 07, 2026 07:00 PM-Questions Deadline
Oct 15, 2026 07:00 PM-Bid Submission Deadline and Opening
Nov 3, 2026-Award Date
May 1, 2027-Late Start Date
Requirements
Required
  • Workers' Compensation
  • Employers' Liability — $500,000.00
  • Commercial General Liability — $1,000,000.00
  • Automobile Liability — $1,000,000.00
  • Excess Liability/Umbrella
Required
  • Bid Bond — 5%
  • Performance Bond — 100%
Location
Local Preference:Local Preference
Documents
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