Phone: 515-239-1414 FAX: 515-239-1325 E-mail address: dot ...

1 NOTICE TO BIDDERS ---March 15, 2022 at 10:00 CDT for various items of construction and maintenance OF IOWA - Sealed bids will be received by the Iowa Department of Transportation (DOT), Contracts and Specifications Bureau, 800 Lincoln Way,Ames, Iowa 50010 onFebruary 15, 2022 Opening and reading of the bids will be performed by the Contracts and Specifications Bureau one half hour after the bid deadline on the day bids are to bereceived, unless otherwise specified by the Iowa otherwise specified, a bidder shall submit a proposal as per Article of the Standard Specifications. Proposals received after the bid deadline willnot be read.

2 Proposals containing any reservations not provided for in the forms furnished will be rejected. The Iowa DOT reserves the right to waivetechnicalities and reject any or all otherwise specified, a bidder must submit a proposal guaranty/bid bond with each bid as per Article of the Standard Iowa Code section (80), the contracting authority will issue an exemption certificate for the purchase or use of building materials, supplies andequipment used in the performance of the construction to execute a contract and file an acceptable performance bond and certificate of insurance within 30 days of the approval date for awarding the contractwill be just and sufficient cause for the denial of the award and forfeiture of the proposal Iowa DOT (or other approved contracting authority)

3 Hereby notifies all bidders that it will affirmatively ensure that in any contract entered into pursuant to thisadvertisement, disadvantaged business enterprises will be afforded full opportunity to submit bids in response to this invitation and will not be discriminatedagainst on the grounds of race, color, or national origin in consideration for an federal-aid projects, where disadvantaged business enterprise (DBE) goals have been established, the bidder is required to complete and submit form102115 with the bid documents. On all projects without DBE goals, the contractor must show that affirmative action has been made to seek out and considerDBEs as potential projects may be listed in multiple proposals (as an individual project or part of a combined package of projects).

4 The contracting authority will determinewhich combination of proposals produce the lowest bid for these wage rates for all federal-aid projects have been predetermined by the Secretary of Labor and are set forth in the specifications. However, thisdoes not apply to projects off the federal-aid highway system. All federal-aid projects are subject to the Contract Work Hours Standards Act, as amended (title Iof Pub. L. 87-581, Aug. 13, 1962, 75 ) and implementing virtue of statutory authority, a preference will be given to products and provisions grown and coal produced within Iowa, and also, a resident bidder shall beallowed a preference against a nonresident bidder from a state or foreign country which gives or requires a preference to bidders from that state or foreigncountry both on projects in which there are no federal funds available for a two-hour period prior to the deadline for submission of bids.

5 If there is an interruption of the bid submittal system, or for other reasons asnecessary, the Iowa DOT may delay the deadline for bid submissions to allow potential bidders to submit bids. Instructions will be communicated to potentialbidders via the Bid Express agency notifications page. The official bid submission deadline is the cut-off date and time listed on Bid Express for a given Iowa DOT uses the Bid Express website - as the official repository for bid submittal. The Iowa DOT will ensure this repositoryor or by calling the Contracts and Specifications Bureau at , specifications and proposal forms for the work may be seen at the Contracts and Specifications Bureau until noon on the day previous to the listing of projects open for bids and details for each project will be available to potential bidders and suppliers three weeks prior to the letting date atContracts and Specifications Bureau800 Lincoln Way -- Ames, IA 50010 Phone: 515-239-1414 FAX: 515-239-1325E-mail address: 09.

6 50 AASHTOWare Project Version 027 Contracts and Specifications BureauFOR THE LETTING --2022/03/15 PROJECTS INCLUDED:PROPOSAL ID: 08-2102-018 COUNTY: BOONEBID ORDER TYPE: RECONSTRUCTION - BRIDGE DECK REPLACEMENTLATE START DATE:WORKING DAYS : 1302022/04/18$200, :DBE GOAL:PROPOSAL SECTION(S):Design No. 0122; 1012'-0 x 44' CONTINUOUS WELDED GIRDER BRIDGE0001 Roadway Items0002 BRF-210-2(18)--38-08 ROUTE: IOWA 210IA 210 over Des Moines River mi E of Co Rd E62 LUMP SUMCONSTRUCTION YARDEXCAVATION CLASS YARDLONGITUDINAL GROOVING IN CONCRETE4, FOOTRAIL, CONCRETE BARRIER2, STEEL14, STEEL, EPOXY COATED465, YARDREMOVAL OF PVMNT/ YARDSTRUCTURAL CONCRETE1, STEEL10, INCLUDED:PROPOSAL ID: 31-0616-530 COUNTY: DUBUQUEBID ORDER NUMBER:002 NONEWORK TYPE: ABUTMENT REPAIRLATE START DATE:WORKING DAYS : 502022/08/08$50, :DBE GOAL:PROPOSAL SECTION(S):DESIGN NO.

7 0121; REPAIR TO A 1370 -0x37 -0 CONT. WELDED GIRDER & PPCB BRIDGE ( )0001 DESIGN NO. 0221; REPAIRS TO A 1435 -0x37 -0 CONTINUOUS WELDED GIRDER & PPCB BRIDGE ( )0002 ROADWAY ITEMS0003MB-061-6(530)188--77-31 ROUTE: 61IA 946, City Sts, and RR mi S of US 20 in Dubuque(NB/SB)LINEAR FOOTCURB & GUTTER YARDEXCAVATION CLASS YARDEXCAVATION CLASS FOOTGUARDRAIL, FORMED STEEL YARDMEDIAN, YARDMODIFIED YARDPAVED STEEL, EPOXY COATED4, YARDREMOVAL OF PVMNT/DRIVES/SDWK1, BEAM G'RAIL BARRIER TRANS YARDSTRUCTURAL FOOTTEMP. BARRIER YARDTOPSOIL, STRIP/ *Quantities for Items bid as Alternates are overstated. See Proposal*PROJECTS INCLUDED:PROPOSAL ID: 36-0021-141 COUNTY: FREMONTBID ORDER TYPE: RCB CULVERT NEW - TRIPLE BOXLATE START DATE:WORKING DAYS : 1102022/05/09$62, :DBE GOAL:PROPOSAL SECTION(S):DESIGN NO.

8 422; ALTERNATE 'AA' OPTION 1: REIFORCED BOX CULVERT. BID THIS SECTION IF ALTERNATE'AA' OPTION 1 IS NO. 422; ALTERNATE 'AA' OPTION 2: PRECAST CONCRETE BOX CULVERT. BID THIS SECTION IFALTERNATE 'AA' OPTION 2 IS ITEMS0003 NHSX-002-1(141)--3H-36 ROUTE: IOWA mi W of 208th SUMCONSTRUCTION FOOTCULVERT FOOTCULVERT, YARDENGINEERING YARDEXCAVATION CLASS YARDEXCAVATION CLASS YARDEXCAVATION CLASS 205, YARDGRANULAR SHOULDERS, TYPE YARDPAVED YARDPAVEMENT, STEEL109, YARDREMOVAL OF PVMNT/ FOOTSILT YARDSTRUCTURAL FOOTSUBDRAIN, FOOTTEMP. BARRIER RAIL3, YARDTOPSOIL, STRIP/ INCLUDED:PROPOSAL ID: 41-C041-125 COUNTY: HANCOCKBID ORDER NUMBER:004 NONEWORK TYPE: BRIDGE REPLACEMENT - CCSLATE START DATE:WORKING DAYS : 852023/06/05$37, :DBE GOAL:PROPOSAL SECTION(S):ITEMS FOR A 90'-0 X 30'-6 CONTINUOUS CONCRETE SLAB BRIDGE0001 BROS-SWAP-C041(125)--FE-41 ROUTE: 225TH STREETOn 225TH ST, from Deer Avenue East approximately miles, S34 T96 R26 LUMP SUMCONSTRUCTION YARDENGINEERING FABRIC1, YARDEXCAVATION CLASS YARDEXCAVATION CLASS SHOULDERS, TYPE FOOTPILE, STEEL H, 10 , *Quantities for Items bid as Alternates are overstated.

9 See Proposal*POUNDREINFORCING STEEL, EPOXY COATED52, SUMREMOVAL OF YARDREMOVAL OF PVMNT/ & FOOTSILT CROP, SEED & BEAM G'RAIL BARRIER TRANS YARDSTRUCTURAL YARDTOPSOIL, STRIP/ INCLUDED:PROPOSAL ID: 42-1751-503 COUNTY: HARDINBID ORDER NUMBER:005 NONEWORK TYPE: RCB CULVERT - REPAIRLATE START DATE:WORKING DAYS : 102022/10/17$4, :DBE GOAL:PROPOSAL SECTION(S):Design No. 122; Repairs to a Twin 12' x 12' x 181'-0 Reinforced Concrete Box Culvert0001 Roadway Items0002MB-175-1(503)186--77-42 ROUTE: IOWA 175 Stream mi E of Co Rd D41 CUBIC YARDEXCAVATION CLASS INCLUDED:PROPOSAL ID: 48-C048-092 COUNTY: IOWABID ORDER NUMBER:006 NONEWORK TYPE: BRIDGE REPLACEMENT - CCSLATE START DATE:WORKING DAYS : 752022/07/05$37, :DBE GOAL:PROPOSAL SECTION(S):ITEMS FOR A 110'-0 X 30'-0 CONTINUOUS CONCRETE SLAB BRIDGE ON A 15 DEGREE SKEW0001 BROS-SWAP-C048(92)--SE-48 ROUTE.

10 125TH STREETOn 125th St, Over Honey Creek, S14 T81 R12 ACRECLEARING & SUMCONSTRUCTION YARDENGINEERING YARDEXCAVATION CLASS 102, YARDEXCAVATION CLASS FOOTPILE, STEEL H, 10 , STEEL64, FOOTSILT YARDSTRUCTURAL , CRUSHED *Quantities for Items bid as Alternates are overstated. See Proposal*PROJECTS INCLUDED:PROPOSAL ID: 52-C052-148 COUNTY: JOHNSONBID ORDER NUMBER:007 NONEWORK TYPE: BRIDGE REPLACEMENT - CCSLATE START DATE:WORKING DAYS : 752022/05/02$50, :DBE GOAL:PROPOSAL SECTION(S):ITEMS FOR A 50'-0 X 30'-0 CONTINUOUS CONCRETE SLAB BRIDGE0001FM-C052(148)--55-52 ROUTE: ROHRET ROADOn Rohret Road SW, Over Mooney Creek, S30 T79 & SUMCONSTRUCTION FOOTCULVERT YARDENGINEERING FABRIC1, YARDEXCAVATION CLASS 1011, YARDEXCAVATION CLASS 132, FOOTGUARDRAIL, FORMED STEEL STONE BASE1, FOOTPILE, STEEL H, 12 , STEEL, EPOXY COATED54, , FOOTSILT CROP, SEED & BEAM G'RAIL BARRIER TRANS YARDSTRUCTURAL , CRUSHED YARDTOPSOIL, STRIP/SALVAGE/SPREAD1, INCLUDED:PROPOSAL ID: 70-0068-045 COUNTY: MUSCATINEBID ORDER NUMBER:008 NONEWORK TYPE: BRIDGE DECK OVERLAYLATE START DATE:WORKING DAYS : 752022/07/11$75, :DBE GOAL:PROPOSAL SECTION(S):DESIGN NO.