Addendum No 2 CHS Fire Alarm System Replacement.pdf
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This is Addendum No. 2 to the contract documents for the Centennial High School Fire Alarm System Replacement project issued by Centennial School District on November 21, 2025. The addendum provides clarifications and additional information regarding the fire alarm system replacement at Centennial High School located at 3505 SE 182nd Ave., Gresham, Oregon. The project, numbered 251203-01, involves replacing the fire alarm system throughout the school building, which is fully sprinklered with five risers in the mechanical room. Key project elements include installing fire alarm pull stations at specified locations (art room, auditorium entrance, pool area, kitchen, and main office), connecting existing 24-volt door magnets to the new system, and accommodating duct detectors for HVAC units exceeding 2,000 CFM. All conduit and wiring must be concealed within walls and ceilings, with minimal exposed materials permitted only in extreme circumstances. The bid submission deadline remains unchanged at 3:00 PM on December 3, 2025. The non-mandatory pre-bid conference was held on November 18, 2025, with future site visits available upon request. The expected base bid amount is approximately $500,000, with substantial completion targeted for May 30, 2026. Site investigations may commence December 16, 2025, with general contractor mobilization available January 6, 2026, with work occurring during non-school hours.
All permits and associated fees are the responsibility of the general contractor, with the City of Gresham serving as the permitting jurisdiction. The district will provide special inspections as needed and has identified that most asbestos has been removed from the site, though any remaining asbestos discovery and removal will be the district's responsibility. The project is subject to Oregon prevailing wage requirements. Bid submissions should be directed to Centennial School District, District Office, 18135 SE Brooklyn Street, Portland, OR 97236, either by U.S. Mail or hand delivery. Substitution requests and questions/RFI submissions must be submitted by end of day November 24, 2025, to scott@randcmanagement.com. The contract is structured as a public works agreement with bid bond, performance bond, and payment bond requirements. School board approval is anticipated for December 10, 2025, with notice to proceed targeted for December 15, 2025. Supporting documentation attached to this addendum includes pre-bid meeting agenda and attendance records, floor diagrams with numbered rooms, duct detector plans, and door magnet circuit diagrams.
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Text version
CENTENNIAL HIGH SCHOOL FIRE ALARM SYSTEM REPLACEMENT
PROJECT NO.: 251203-01
November 21, 2025
ADDENDUM NO. TWO (2)
THE FOLLOWING CHANGES, ADDITIONS, AND DELETIONS TO THE CONTRACT DOCUMENTS
DATED NOVEMBER 21, 2025, HEREBY BECOME A PART OF THE CONTRACT DOCUMENTS, PER
THE ORIGINAL CONTRACT DOCUMENTS DATED NOVEMBER 5, 2025.
NOTIFY ALL SUBCONTRACTORS AFFECTED BY THIS ADDENDUM.
BID DUE UNCHANGED: Wednesday, December 3, 2025, 3:00 PM
SPECIFICATIONS
See Questions and Answers section.
DRAWINGS
A request was made for CAD backgrounds. While we cannot attest that these are 100% as-built, they are close. A link to those is provided here:
https://www.dropbox.com/scl/fi/8bo4kuqz3ptqcxm175vbt/ARCH2000.zip?rlkey=wgiev0w5zd8w5z7131yv4 w3o7&st=m8nwf8ea&dl=0
QUESTIONS AND ANSWERS
1. Can conduits, wiremold, and boxes be exposed? A: Only in extreme situations where the wall is concrete or brick. All conduit and boxes shall be hidden in walls or ceilings and no wiremold used.
When removing old devices at project end, removal shall be for all exposed materials. J-boxes in walls can be covered with a cover plate in lieu of bigging removed in the all an the wall patched over.
2. The plan does not show the pump room below the pool. Is there work there? A: No work is assumed.
3. Are all sections of the building sprinkled? A: Yes.
4. Is there a fire vault? Where? A: Yes, near 182nd Avenue at the street near the main reader sign.
5. Is there a fire pump? Where? A: No there is no fire pump.
6. Where is the fire sprinkler room? A: It is in the mechanical room as annotated on the attached floor diagram. There are five risers.
7. Where is the fire alarm control panel? A: It is in the mechanical room as annotated on the attached floor diagram.
8. Are fire alarm test reports available? A: These are being located and may be forwarded in a third
Addendum.
9. Are there door mags to be incorporated and what voltage are they? A: Yes, all doors to all corridors have door mags as well as to the interior courtyards. They are all 24 volt. They are all to be connected to this new system. The existing mags can be reused. See attached door hold open circuit diagram.
10. Does the district have spare ceiling tiles in case some are unavoidably damaged when accessing? A:
A modest amount of spare ceiling tiles exist. The contractor should plan to purchase replacement tiles.
11. Is the intent that the new systems meets current code? A: Yes it must meet current code.
12. Current code does not require fire pulls except at the main office. Is that the intent here? A: We understand that the code requirements are just the one. We however would like to request there to be ones in these locations as well as our thoughts for the safety of the students and school district: 1. Art wing art room near the kilns/entrance door, 2. At the auditorium entrance, 3. near the swimming pool,
4. Kitchen, 5. Main office. All other existing shall be removed.
13. What is the weight limit for lifts on the gym floor? A: 3,000 pound, but we recommend rubber tires and require floor protection such as plywood over fabric.
14. Can the contractor have a staging area on site? A: Yes, a classroom-sized room will be made available.
15. Can the contractor leave a dumpster on site? A: Yes, in the parking lot. We will coordinate a location. It must have a lid.
16. Is a reflected ceiling plan available? A: These are being located and may be forwarded in a third
Addendum.
17. Patching and painting is required. Will colors of paint be provided? A: Yes, the district has paint standards.
18. Is there asbestos on site and whose responsibility is it to be removed? A: Most asbestos has been removed from the site, but there may still be some. Any asbestos to be removed will be identified by the contractor and tested and removed by the district.
19. Are there current fire alarm drawings? A: They are PDF and some will not allow to print. ( PGS
6,8,10,17&18) but are viewable in the file:
https://drive.google.com/file/d/1SAeqhAYA3ea8GMfBqH2Lndw4TUv_0w1T/view?usp=drive_link
20. Are there HVAC units over 2000 cfm? If so, where and how many? A: See the attached duct detector plan and this link for the location of the units:
https://drive.google.com/file/d/1ppLTcQvM9O49xZ_JVL5UMfikwzSKarpV/view?usp=drive_link.
21. Is there a catwalk over the auditorium? A: Yes.
22. What permitting jurisdiction is CHS in? A: City of Gresham.
23. Are there any fire suppression hoods? A: Yes, one in the commercial kitchen.
GENERAL INFORMATION
1. Record of Attendance of the non-mandatory Pre-Bid conference attached.
2. Pre-bid conference agenda attached.
3. A floor diagram with numbered rooms, handed out at the walk, is attached.
Attachments Pre-Bid Record of Attendance
Pre-Bid Agenda
Floor Diagram
Duct Detector Diagram
Door Mag Diagram.
END OF ADDENDUM TWO (2)
NON-MANDATORY PRE-BID MEETING AGENDA
p
ITEM # DESCRIPTION
1.0 Team Introductions
2.0 Non-Mandatory Pre-Bid meeting - Record of Attendance
3.0 Future Site Visit:
3.1 Contact Scott Rose, scott@randcmanagement.com to schedule future site visits.
4.0 Request for Bids / Bid Dates
4.1 Bids Due 3:00 PM December 3, 2025
4.2 Substitution Requests
4.2.1 Send to scott@randcmanagement.com
4.2.2 Submit any substitution requests by end of day November 24, 2025, per Instructions to
Bidders.
4.2.3 See specification section 01 6000 - PRODUCT REQUIREMENTS AND
SUBSTITUTION for substitution requirements/procedures.
4.2.4 Substitution request need to be filled out on the Substitution Request form available in section 01 6325 of the specifications.
4.3 Any Questions / RFI’s .
4.3.1 Send to scott@randcmanagment.com
4.3.2 Submit any questions/RFI requests by end of day November 24, 2025.
4.3.3 First Addendum was issued November 6, 2025.
4.3 Location Bids Due
To: Centennial School District By U.S. Mail:
Centennial School District District Office – Bid #251203-01 18135 SE Brooklyn Street Portland, OR 97236
CENTENNIAL SCHOOL DISTRICT
Project #251203-01 Fire Alarm System Replacement at CHS Project Pre-Bid Meeting
Date of Meeting: 11/18/25 @ 3:30 PM Location of Meeting:
Centennial High School 3505 SE 182nd Ave., Gresham, OR 97030
By hand delivery:
Centennial School District 18135 SE Brooklyn Street Portland, OR 97236 District Office Bid #251203-01
5.0 Construction Schedule (See Spec 00 72 10 – Additional Conditions section 1.03 Schedule of work)
The General Contractor shall include the following anticipated date constraints for the Work.
1. School Board Approval of the Agreement. 12/10/25
2. Issuance of the Notice to Proceed. 12/15/25
3. Site available for Contractor mobilization. 1/6/26 (site investigations are allowed to start 12/16/25)
a. Work to occur at nights and off hours from school use
4. Agency Release of the Permit pending contractor submittal
5. Date of Substantial Completion. 5/30/26
6.0 Bid Form Section 00 41 00
6.1 Base Bid Complete Project, Expected bid of $500,000.
6.2 Bid Bond requirements – see instruction to bidders.
6.3 Performance / Payment bonds provided with signed contract – see instruction to bidders.
7.0 Agreement / General Conditions
7.1 Agreement between CSD and Contractor. Public Works contract.
8.0 Prevailing Wage
8.1 Must comply with State of Oregon prevailing wage requirements at time of advertisement
9.0 Jobsite / Site Logistics
9.1 Work hours-comply with City regulations.
9.2 Site laydown areas within the limits of the site.
10.0 Permits/Fees
10.1 All permits – Procured and paid by GC..
10.2 Owner shall provide Special Inspections as needed.
11.0 Summary of Work
11.1 Scope of work.
12.0 Questions
See addenda.
srose Rectangle srose Rectangle srose Callout
SPRINKLER ROOM
srose Callout
FIRE ALARM CONTROL PANEL
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