A4 ITB S-63500-00013826 John Day Watershed Office Improvement.pdf

ADDENDUM #4

ITB S-63500-00013826

John Day Watershed District Office Improvement

Engineering Project # 21-033

October 14, 2025

This addendum modifies the Invitation to Bid (ITB) document(s) for work only to the extent indicated herein. All other areas not specifically mentioned or affected by this addendum shall remain in full force.

This addendum shall be added as a part of the original ITB document(s) and shall become part of the work required.

Deleted language is shown within [brackets and strikethrough]. New language is shown in Bold and Underlined.

ADDENDUM

1. ATTACHMENT B-1 091925 SPECIFICATIONS John Day Watershed District Office Improvement shall be removed in its entirety and replaced with ATTACHMENT B-1 093025 SPECIFICATIONS John Day Watershed District Office Improvement dated September 30, 2025 and contains the following modifications:

A. Section 09 54 26 Suspended Wood Ceilings shall be modified as follows:

2.2 WOOD CEILING UNITS

B. Metal Suspension System

4. Exposed Suspension System Type: All main beams and cross tees shall be commercial quality hot dipped galvanized steel as per ASTM A653. Main beams and cross tees are double-web steel construction with 15/16-inch and [91/16-] 9/16 inch types exposed flange designs. Exposed surfaces chemically cleansed, capping prefinished galvanized steel in baked polyester paint. Main beams and cross tees shall have rotary stitching.

a. Structural Classification: Heavy-duty, when tested in accordance with ASTM

C635/C635M.

b. Profile: Tee:[; 15/16 inch (24 mm)] 9/16 inch (15mm) face width.

c. Finish/Color: Baked enamel, black.

d. Products:

1) [Prelude XL 15/16 inch] Suprafine XL 9/16 inch Exposed Tee 12 foot Main beam - item 7301BL

2) [Prelude XL Exposed Tee 4 foot Cross Tee - item XL7341BL] Suprafine XL 9/16 inch Exposed Tee 2 foot Cross Tee – Item XL7520BL.

3) [Prelude XL Exposed Tee 2 foot Cross Tee - item XL8320BL] Suprafine XL 9/16 inch Exposed tee 4 foot Cross Tee – Item 7540BL.

4) Accessories/Edge Moldings as required for Linear Tegular to Wall installation.

B. Section 05 50 00 Metal Fabrications shall be modified by the following addition:

2.16 PREMANUFACTURED ALUMINUM TRELLIS

A. Acceptable manufacturers include:

1. AGS INC: https://agsshade.com/freestanding-trellis-systems/ https://agsshade.com/freestanding-trellis-systems/

ADDENDUM #4 ITB S-63500-00013826 2

2. Trex Pergola: https://trexpergola.com/trex-pergola/

3. Mapes Canopies: https://mapescanopies.com/

4. Or equal

C. Section 08 91 00 Louvers shall be removed in its entirety from the specifications.

D. Section 04 20 00 Unit Masonry shall be modified by adding the following:

2.7 ACCESSORIES

F. Integral Water Repellent: Provide units made with integral water repellent for exposed units.

1. Integral Water Repellent: Liquid polymeric, integral water-repellent admixture that does not reduce flexural bond strength. Units made with integral water repellent, when tested as a wall assembly made with mortar containing integral water repellent manufacturer's mortar additive according to ASTM E 514, with test period extended to 24 hours, show no visible water or leaks on the back of test specimen.

a. Products:

1) RainBloc, Mutual Materials.

2) Basalite, J-4P Repel Aid.

3) Addiment Incorporated; Block Plus W-10.

4) Grace Construction Products, a unit of W. R. Grace & Co. - Conn.; Dry-

Block.5) Master Builders, Inc.; Rheopel.

E. Section 09 84 00 Acoustic Wall Panels shall be modified as follows:

2.1 WALL COVERINGS

B. Acoustic Wall Panels:

2. Size: [48 inches x 96 inches] 4 feet x 9 feet

F. Section 31 23 16.26 Rock Removal shall be added in its entirety.

G. Section 31 20 00 Earthwork and Trenching shall be modified as follows:

3.3 EXPLOSIVES

A. [Explosives: Do not use explosives.] The use of explosives is permitted, subject to approval by AHJ. See Specification Section 31 23 16.26.

H. Section 07 46 16 Aluminum Siding shall be modified as follows:

2.1 MANUFACTURERS

A. Aluminum Siding Manufacturers:

1. Basis of Design: Longboard Architectural Products

2. Substitutions: See Section 01 60 00 – Product Requirements

3. Approved Alternate Manufacturers:

a. AL13 Architectural Systems

b. Lux Architectural Products

I. Section 08 14 16 Flush Wood Doors shall be modified as follows:

2.1 MANUFACTURERS

A. HPD Laminated Veneer Faced Doors:

4. Lynden Door

5. Substitutions: See Section 01 60 00 – Product Requirements

J. Section 07 41 13 Metal Roof Panels shall be modified as follows:

2.2 METAL ROOF PANELS

A. Product: Design based on Span-Lok Hp.

1. Manufacturer:

https://trexpergola.com/trex-pergola/ https://mapescanopies.com/

c. Taylor Metal Products

d. Approved equal.

2. ATTACHMENT B-2 100325 SPECIFICATIONS John Day Watershed New Shop Building shall be removed in its entirety and replaced with ATTACHMENT B-2 101425 SPECIFICATIONS John Day Watershed New Shop Building dated October 10, 2025 and contains the following modifications:

A. Section 31 20 00 Earthwork and Trenching shall be modified as follows:

3.3 EXPLOSIVES

A. [Use of As allowed by local jurisdiction.] The use of explosives is permitted, subject to approval by AHJ. See Specification Section 31 23 16.26.

B. Section 31 23 16.26 Rock Removal shall be added in its entirety.

C. Section 31 23 19 Dewatering shall be added in its entirety.

3. ATTACHMENT C-2: 092525 PLANS John Day Watershed New Shop Building shall be removed in its entirety and replaced with ATTACHMENT C-2: 100625 PLANS John Day Watershed New Shop Building dated October 6, 2025 and contains the following modifications:

A. Sheet 6 shall be modified to add: multileader to vents and modify viewport.

B. Sheet 8 shall be modified as follows: Add Exhaust hood vent and multileader, note of ceiling joist design by contractor, modify door schedule

C. Sheet 9 shall be modified to add: room numbers and notes, exhaust vent leader, N.I.C. note to freezer and walk-in cooler, Finish Key and Schedule, guardrail note, and modified the sheet, moved or deleted dimensions.

Closing Date and Time:

All references to the Closing Date and Time are modified to read:

“ITB CLOSING DATE: October 30, 2025 CLOSING TIME: 2:00 PM PT

The prospective Bidders have until Close of Business on October 21, 2025, to submit written questions or protests regarding this Addendum.

This addendum constitutes a MATERIAL CHANGE to the ITB. Its receipt by the Bidder is to be acknowledged per the Acknowledgment of Addenda located in Attachment A, Form A-1.

Addendum prepared by:

Julie L. Cone julie.l.cone@odfw.oregon.gov

END OF ADDENDUM No. 4 mailto:emailaddress@state.or.us

ADDENDUM #4 ITB S-63500-00013826 4

QUESTIONS AND ANSWERS:

Following are questions asked during the Mandatory pre-bid conference held on September 23, 2025 and received by Bidders and ODFW’s answers. The answers and clarifications provided below by ODFW are for informational purposes ONLY and DO NOT constitute a change to the terms, conditions, technical specifications or requirements of the ITB.

1. Question: Per a conversation with a subcontractor about the wood ceiling units. They have noticed that the grid is called out for 15/16th but the panel number (6733F51L4T9) calls out 9/16th thickness. He has concerns about the functionality of the varying thicknesses and has asked if the panel number was intended to be a 15/16th thickness to match the grid.

Answer: The grid thickness should be compatible and match the panel specified. Please see addendum section for more information.

2. Question: Per alternate 1, the base bid for the patio trellis is proposed to be a premanufactured item.

Will this be owner furnished contractor installed or will information on approved manufacturers come out in an addendum?

Answer: Bid Alternate 1 indicates that the trellis is to be delegated design by the contractor. Please provide design and engineering for the system. Please see addendum section for more information.

3. Question: The louver spec calls out a louver from construction specialties making me assume that there are architectural louvers on the project. The only louvers I am seeing are for mechanical exhaust on the east and south exterior per the mechanical schedule and are called out to be from Greenheck. Can you please advise?

Answer: Specification 08 91 00 refers to the same louvers as the mechanical exhaust on the east and south exterior. Please see addendum section for more information.

4. Question: Bid Alt 3 - No Finish Schedule.

Answer: A finish schedule has been added. Please see the addendum section for more information.

5. Question: Details 8,9,10/S3.10 shows to refer to detail 3/S3.10 which should be 4/S3.10.

Answer: Details 8, 9, 10/S3.10 reference detail 3/S4.10, which is the correct reference for anchor bolt spacing, specified in the stud wall construction table. Detail 4/S4.10 is then referenced via note #3 in table 3/S4.10.

6. Question: Foundation and footing sizes are not shown for Monument sign A and B.

Answer: Monument sign is to be used as basis of design. Complete signage design and foundation shall be delegated and designed by signage vendor.

7. Question: Light pole base E/E901 no dimensions given.

Answer: Note on 3/E901 indicates structural design of pole base to be deferred design by

Contractor.

8. Question: Note on page CB-300 regarding fire sprinkler water supply: "See Plumbing Plans for Connection to Building." Plumbing plan does not provide additional detail of sweep or underslab elbow.

Answer: Reference detail C4/P7.00 for standard Water Entry Pipe Detail.

9. Question: City of Pendleton has development code requirement for bike racks. None are evident in spec or on the architectural site plan.

Answer: Please reference Landscape Layout Plan on L1.10.

10. Question: Exterior Wall Type E6W1 specifies water repellent as Typ.The only mention of water repellent in specification is located 04 20 00 - 2.4 (G) as a mortor and grout material and without specific manufacturer. Is the water repellent intended as a spray apply? Is it also to be applied at monument signs? Please specify.

Answer: Provide integral water repellent for all exposed units. See addendum section for more information.

11. Question: Please provide detail of gate construction.

Answer: Gate size noted on architectural door schedule, reference details C6 and E6 on A1.20.

The rest of the gate shall be designed as part of the chainlink fence scope. Please provide shop drawings per specification section 32 31 14 Item 1.2.A.

12. Question: Specification section 01 40 00 Quality Control section 1.4 is in direct conflict with Oregon

Structural Specialty Code (OSSC) 1703.1.1 – where the approved third party inspection agency is to be objective to the contractor responsible for the work.

Answer: At this time all Contractor’s are to assume they are fully responsible for all inspection and special inspections for the project as outlined in the Contract Documents. ODFW will consult with local jurisdictions and the Building Codes Division to find clarification on the OSSC requirements.

13. Question: Looking through the specs and drawings there is a discrepancy between the acoustical wall panel height. Drawings call for 4’x9’, specs call for 4’x8’. Can you please advise on which panel size is required?

Answer: The Zintra panels specified are 4 foot x 9 foot x 1/2 inch. Please see the addendum section for more information.

14. Question: Would it be acceptable for classified rock excavation to be accomplished by blasting?

ADDENDUM #4 ITB S-63500-00013826 6

Answer: The possibility of blasting has been added to the project. Please see the addendum section for additional information.

15. Question: Reviewing the Geo Tech report, the test pits hit full refusal at 3.5’, the understanding is that the subgrade is more or less solid basalt. The spec prohibits explosions in the site demo and the trenching and earthwork spec, would you consider allowing excavators to drill and blast, especially for trenching?

Answer: The possibility of blasting has been added to the project. Please see the addendum section for additional information.

16. Question: Substitution request Proposed: AL13 Plank Cladding System (Aluminum Extruded Plank).

Answer: This substitution has been approved as an equivalent. Please see the addendum section for additional information.

17. Question: Substitution request Proposed: Bellara Steel Siding.

Answer: This substitution request is not approved. The proposed product is deemed not equivalent due to differences in the plank width. Specified product is 6” and proposed product is 5.3”, which would effect spacing of cladding below windows.

18. Question: Substitution request Proposed: Pella Imperva Fiberglass Windows.

Answer: This substitution request is not approved. The proposed product request did not provide:

Equivalent finish has not been provided/indicated; Equivalent glazing method and thermal resistance (U-Value) have not been indicated; and No provisions for bird proof glazing have been provided.

19. Question: Substitution request Proposed: Lynden Door LD2000 HPDL

Answer: This substitution request is not approved. Lynden Door is an acceptable manufacturer, however, the submitted product does not match the core type indicated.

20. Question: Substitution request Proposed: Lynden Door LD3500 HPDL SCLC-5

Answer: This substitution has been approved as an equivalent. Please see the addendum section for additional information.

21. Question: Substitution request Proposed: Lynden Door LD3500 SCLC-5

Answer: This substitution request is not approved. Lynden Door is an acceptable manufacturer, however, the submitted product has a HPVA (wood veneer) face, instead of a laminate face.

22. Question: Substitution request Proposed: Taylor Metal Products, MS0299-12” x 2” Mechanically

Seamed panel system

Answer: This substitution request is approved. Please see addendum for additional information.

23 Question: Substitution request Proposed: Lux Architectural Products, Answer: This substitution request is approved. Please see addendum for additional information.

24. Question: There is no specification for windows in the alternate 3 specification. Please clarify.

Answer: Addendum 3 contains modifications for window cut added to sheet 5 of revised plans, and specification section 08 14 16 added to shop specifications.

25. Question: Alternate #3 specification is missing Division 13 for the Pre Engineered Metal Building:

PEMB bidders need to know snow load, live load, collateral load, wind class & wind load, risk category, ground snow, specified min. roof snow.

Answer: Please see structural design criteria listed for the main office.

26. Question: Alternate #3 specification 07 21 00 is not applicable to a PEMB. Please specify if a liner system is desired and the R values for roof and wall.

Answer: This information was provided in Addendum 3.