Addendum 1 Changes.docx

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Attached to
2023-ODF Wildfire Prevention and Investigation Symposium Training Conference
Solicitation number
S-62900-00005323
Issued by
Marion County, Oregon

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This is Addendum No. 1 to the contract documents for the Cape Blanco State Airport Runway and Electrical Rehabilitation Project, issued by the Oregon Department of Aviation for the project located in Sixes, Oregon. The addendum modifies the original contract documents and plan specifications, with bids due on March 23, 2023, at 2:00 PM under BID NO: S-10900-00005324. The primary changes include the replacement of 47 sheets of plans (Attachment B) with revisions to erosion control sheets, runway surface specifications, electrical details, and marker dimensions. Specific plan modifications include renaming erosion control sheets G4-G8 to EC-1-EC-5, adding sheet EC-6 with work area limit lines and contractor staging areas, reducing asphalt concrete surface from four lifts to three lifts per ODOT standards on sheets C-13 and C-14, increasing white aiming point marker width to 30 feet on sheets C-15 and C-16, removing threshold bars in favor of threshold markings on sheet C-18, and revising electrical sheets E-1, E-6, E-7, E-10, and E-17.

The revised Bid Pricing Form (Attachment C) reflects updated line items and quantities for the project scope. The Base Bid title has been changed from "Runway & Electrical Rehabilitation" to "Runway Rehabilitation," with Line Item 16 (Marking P-620-5.1a) quantity increased from 37,993 to 46,993. Additive Alternate 1 has been retitled from "Lighted Sign Electrical" to "Electrical Rehabilitation," with Line Item 21 (Electrical Manhole 4'x4'x4') quantity revised from 2 to 7 units. The addendum also clarifies that Base Aggregate as specified in Oregon Standard Specifications for Construction Section 00641 is acceptable as a replacement for P-209 Aggregate Base. All bidders are required to acknowledge receipt of this addendum as outlined in ITB Section H, with Peter Murphy, P.E., Senior Project Manager at Century West Engineering (503.419.2133), serving as the point of contact on behalf of the Oregon Department of Aviation.

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File Type Posted
RFP Att C - COBID Certification Outreach Plan~1.doc DOC document
RFP Att B - Proposer Information and Certification Sheet~1.docx DOCX document
RFP Att F - Responsibility Inquiry~1.doc DOC document
RFP Att A Sample Contract - Final.pdf PDF
RFP- 2023 Wildfire Prevention Investigation Symposium - FINAL.pdf PDF
RFP Att D Pricing - Final.docx DOCX document
RFP Att E Disclosure Exemption Affidavit~1.doc DOC document

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ADDENDUM NO. 1

CHANGES TO THE CONTRACT DOCUMENTS

OREGON DEPARTMENT OF AVIATION

CAPE BLANCO STATE AIRPORT

RUNWAY AND ELECTRICAL REHABILITATION PROJECT

Sixes, Oregon

TO:All Plan Holders
DATE:March 14, 2023
BID NO:S-10900-00005324

The following changes, additions, and/or deletions are hereby made a part of the Contract Documents for the above mentioned project, bids due March 23, 2023 at 2 pm, as fully and completely as if the same were fully set forth therein.

CONTRACT DOCUMENTS

1. Replace all the pages of Attachment B – Plans. 47 sheets, changes include:

a. Erosion Control Sheets –

i. Renamed sheets G4 - G-8, to EC-1 – EC-5, and

ii. Added sheet EC-6

iii. Added Work Area Limit line (EC-1 to EC-4)

iv. Added Construction Entrance, EC-2

v. Added Contractor Staging Area EC-2 and EC-3

b. Sheet C-1 – Added area of fallen trees to be cleared.

c. Sheet C-4 – Added area of fallen trees to be cleared.

d. Sheet C-13, details 1 and 2, “4 AC Surface (P-401)” changed to “3 AC Surface (ODOT 00745,1/2” Level 3) 1 Lift”

i. Note 2 changed to reflect depth change.

e. Sheet C-14, detail 1, “4 AC Surface (P-401)” changed to “3 AC Surface (ODOT 00745,1/2” Level 3) 1 Lift”

i. Note 2 changed to reflect depth change.

f. Sheet C-15, White aiming point marker width increased to 30’.

g. Sheet C-16, White aiming point marker width increased to 30’.

h. Sheet C-18, Detail 4, threshold bars deleted, and threshold markings added.

i. Sheet E-1, E-6, E-7, and E- 17 Revised

j. Sheet E-10 Added detail 4, Mounted Light Vegetation Mat with Stakes

2. Replace all the pages of Attachment C – Bid Pricing Form with the attached Attachment C – Bid Pricing Form.

a. Base Bid description Title has been changed from “BASE BID – RUNWAY & ELECTRICAL REHABILITIATION” to “BASE BID – RUNWAY REHABILITIATION”. 3

b. Line Item 16 of the Base Bid, “Marking (Item P-620-5.1a)” estimated quantity has been revised from “37,993” to “46,993”.

c. Additive Alternate 1 Title has been changed from “ADDITIVE ALTERNATE 1 – LIGHTED SIGN ELECTRICAL” to “ADDITIVE ALTERNATE 1 – ELECTRICAL REHABILITATION”.

d. Line Item 21 of Additive Alternate 1, “Electrical Manhole 4’x4’x4’(L-115-5.1)” estimated quantity has been revised from “2” to “7”.

3. Base Aggregate as specified in the Oregon Standard Specifications for Construction Section 00641 will be an acceptable replacement for P-209 Aggregate Base.

https://www.oregon.gov/odot/Business/Specs/2021_STANDARD_SPECIFICATIONS.pdf

ATTACHMENTS

· Attachment B – Plans

· Attachment C – Bid Pricing Form

BIDDERS MUST ACKNOWLEDGE RECEIPT OF THIS ADDENDUM IN THE SPACE PROVIDED IN ITB SECTION H.

Peter Murphy, P.E.

Senior Project Manager Century West Engineering 503.419.2133 On behalf of Oregon Department of Aviation

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