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HomeMy WebLinkAboutAddendum No. 3 Public Works Department Addendum No. 3 SE 172nd St Green Stormwater Infrastructure CAG-25-047 ADDENDUM No. 3 Date of Addendum Issue: March 20, 2025 Due Date for Bids: 2:00 pm on March 25, 2025 To: ALL PLAN HOLDERS AND/OR PROSPECTIVE BIDDERS The following changes, additions, and/or deletions are hereby made a part of the project bid documents for the SE 172nd St Green Stormwater Infrastructure project and shall have the same effect as if set forth therein. Bidders shall acknowledge receipt and acceptance of this Addendum No. 3 by signing the addendum and submitting with the bid. Failure to acknowledge receipt of this addendum may result in your bid proposal being disqualified. 24 – Special Provisions DELETE Addendum No. 2 Special Provisions (24 Special Provisions_Add2) and REPLACE with the updated attached document (24 Special Provisions_Add3). Revisions to the Special Provisions are indicated via track changes in the document and are included with this Addendum. Updates include the following: 1. The second paragraph of Section 1-09.14(2)A20 shall be revised as follows: The unit Contract price for “Pervious Cement Conc. Sidewalk” per square yard shall be full compensation for the costs of all labor, tools, equipment, and materials necessary or incidental to comply with the requirements of Sections 2-06.3(3) and 4-04.2, and construct the pervious concrete sidewalk as specified in Sections 5-07 and 8-14. Work elements include, but are not limited to, protecting the subgrade; furnishing and installing permeable ballast and geotextile under the sidewalk, performing mix designs; developing and implementing the Jointing Plan; saw cut joints, test plot; forming, including; testing; coordinating and scheduling with Engineer for infiltration testing of both subgrade and pervious concrete; and purchasing, procuring, placing, finishing pervious concrete adjustment of forms as required to meet ADA standards with maximum 2-percent cross- slope. Public Works Department Addendum No. 3 2. Sections 1-09.14(2)A21-A27, 1-09.14(2)A30, 1-09.14(2)A31-A33, 1-09.14(2)A34, 1- 09.14(2)A35-A36, 1-09.14(2)B9 and 1-09.14(2)C8 shall be revised as follows: · Furnishing and placing temporary hot mix asphalt patching. Temporary hot mix asphalt includes all hot mix asphalt and/or temporary asphalt that is not part of the trench patch and overlay. 3. The second paragraph of Section 5-07.3(6)A shall be revised as follows: If the measured infiltration rate is less than 100 inches/hour at any test location, the Contractor may request in writing that the Engineer may perform additional infiltration tests for the purpose of assessing overall infiltration performance and/or determining a defective lot in accordance with Section 5-06.3(6). The determination of a defective lot, or lots, and the extent(s), will be determined by the Engineer. The cost of additional testing shall be the responsibility of the Contractor at a cost of ***$$1$$*** per test. Public Works Department Addendum No. 3 ALL OTHER REQUIREMENTS OF THE CONTRACT DOCUMENTS REMAIN IN EFFECT Sincerely, Kevin Evans, PE Civil Engineer III (Project Manager) City of Renton All Bidders must sign this Addendum No. 3 in the space provided below and attach the signed Addendum No. 3 to the Formal Bid Proposal Signature: __________________________________ Title:_______________________ Company: __________________________________ Date:_______________________