Bidder_Questions_&_Answers_Addendum_#2.pdf

County of Napa, CA

Public Works Steven Lederer, Department Head

1195 Third Street, Napa, CA 94559

(707) 299-1733

QUESTION & ANSWER REPORT

Invitation For Bid - Bella House Kitchen and Bathroom Rehab

QUESTION & ANSWER REPORT

IFB No. PW 26-25

Bella House Kitchen and Bathroom Rehab

RESPONSE DEADLINE: October 6, 2026 at 11:30 am

Thursday, October 1, 2026

Approved, Unanswered Questions

Approved, Answers Provided

1. Shower Bases

Sep 28, 2026 1:31 PM

Question: Shower Bases — Section 09 72 61 and the Room Finish Schedule identify SSU-3 cast solid-surface shower bases by Aristech/Avonite, while Section 22 00 00, Paragraph 2.1.F.7 specifies Best Bath fiberglass shower pans. Please confirm which product and system governs for the shower bases in the White and Red Restrooms.

Sep 28, 2026 1:31 PM

Answered by Roberto De La Torre Real: Section 09 72 61 shall govern. Provide SSU-3 cast solid-surface shower bases.

Oct 1, 2026 3:21 PM

2. Bathtub and Tub Surround

Question: Bathtub and Tub Surround — Section 10 95 00 and the product information identify a Kohler Avec K-25832-LA alcove bathtub. Section 22 00 00 references a "four piece fiberglass tub and surround," while Sheets A5.1/A6.1 indicate SSU-2 solid-surface wet-wall panels at the bathtub. Please confirm whether the required assembly is the Kohler bathtub with SSU-2 solid-surface wall panels, without a fiberglass surround.

IFB No. PW 26-25

Answered by Roberto De La Torre Real: Architectural Sheets A5.1 and A6.1 and Section 10 95 00 are correct. Provide the Kohler Avec bathtub with SSU solid-surface wall panels. A fiberglass surround is not required.

3. Waterproofing Behind Solid-Surface Wet Walls

Question: Waterproofing Behind Solid-Surface Wet Walls — Section 09 30 50 specifies the Schluter KERDI waterproofing system. Please confirm the required substrate/waterproofing assembly behind SSU-2 solid-surface panels at the bathtub and both showers. Is the intended system KERDI membrane over an approved backing material, KERDI-BOARD, or another assembly? Please also confirm whether a Schluter project-specific warranty is required for this solid-surface application.

Sep 28, 2026 1:31 PM

Answered by Roberto De La Torre Real: At both showers and the bathtub, replace surrounding gypsum board with either: - Water-resistant gypsum board with Schutler KERDI membrane system; or - KERDI- BOARD/KERDI waterproofing system - A 10-year project-specific warranty is required.

4. Existing Subfloor / Subfloor Replacement

Sep 28, 2026 1:32 PM

Question: Existing Subfloor / Subfloor Replacement — The Special Provisions describe "Removal of Existing Floor Surfaces, Baseboard, and Subfloor to be Cleaned and Prepared to Accept New Finishes," while the flooring specifications generally address preparation of the existing substrate. Please clarify whether the existing structural subfloor is intended to remain and be cleaned, patched, leveled, and prepared for new LVT, or whether removal and replacement of the subfloor is included in the Base Bid.

If concealed water damage or deteriorated subfloor is discovered after demolition, please clarify how that work will be handled.

Sep 28, 2026 1:32 PM

Answered by Roberto De La Torre Real: The existing subfloor is intended to remain and shall be cleaned, patched, leveled, and prepared to receive new flooring. If concealed water damage requiring replacement is discovered, the work will be treated as an unforeseen condition outside the Base Bid.

5. Existing Wet-Area Conditions

Question: Existing Wet-Area Conditions — Please advise whether the County has information regarding the existing construction behind the bathtub and shower wall finishes, including whether the existing finishes are fiberglass surrounds, tile over gypsum/backer board, or another assembly. Please also advise whether any known water damage, deteriorated wall backing, framing, or floor substrate exists in the three restrooms.

Sep 28, 2026 1:32 PM

Answered by Roberto De La Torre Real: No evidence of water damage has been identified. Contractors shall assume existing wall construction is in good condition and suitable for reuse.

6. Domestic Water Testing, Sterilization, and Bacteriological Reports

Question: Domestic Water Testing, Sterilization, and Bacteriological Reports — Section 22 00 00 requires hydrostatic testing, sterilization of the hot and cold water system, and bacteriological reporting.

Since much of the work consists of replacement of fixtures and trim at existing locations, please confirm whether these requirements apply to the entire Bella House domestic water system or only to newly installed or modified piping. Please specifically confirm whether bacteriological testing and reporting are required for this project.

Sep 28, 2026 1:32 PM

Answered by Roberto De La Torre Real: Domestic water testing and sterilization requirements apply only to newly installed or modified piping.

7. Applicable Prevailing Wage Determinations

Question: Applicable Prevailing Wage Determinations — Please identify the DIR prevailing wage determination(s) the County intends bidders to use for this project, including whether any Napa County residential determinations apply to any classifications or whether the applicable general/commercial building trade determinations are to be used throughout.

Sep 28, 2026 1:32 PM

Answered by Roberto De La Torre Real: County intends bidders to use the applicable DIR general/commercial building trade prevailing wage determinations for Napa County for all applicable classifications. The project involves renovation of a licensed commercial/medical facility and is being treated as a non-residential project for prevailing wage purposes. Contractors are responsible for complying with all applicable DIR registration and prevailing wage requirements.

8. Bathroom Exhaust Ductwork

Sep 28, 2026 1:33 PM

Question: Bathroom Exhaust Ductwork — Sheet M101 directs the Contractor to connect the new bathroom exhaust fans to existing ductwork. Please confirm that the existing exhaust ducts and existing roof terminations are intended to remain and that no new roof penetrations are required for the bathroom exhaust fans. If existing concealed ductwork is found damaged, undersized, disconnected, or otherwise unsuitable for reuse, please clarify whether corrective work beyond that shown in the Contract Documents will be treated as additional work.

Sep 28, 2026 1:33 PM

Answered by Roberto De La Torre Real: Contractor shall provide new ductwork serving replaced exhaust fan locations. Existing roof terminations and penetrations shall remain and be reused.

9. Kitchen Range-Hood Exhaust

Question: Kitchen Range-Hood Exhaust — Please confirm that the new 7-inch range-hood exhaust shown in Detail 2/M601 is the only new roof penetration required for the mechanical scope and that all other exhaust systems are intended to reuse existing roof penetrations.

Sep 28, 2026 1:33 PM

Answered by Roberto De La Torre Real: Yes. The microwave/range hood exhaust is the only new roof penetration required. Existing restroom exhaust penetrations and roof terminations shall be reused.

10. Resilient Flooring Basis of Design

Question: Resilient Flooring Basis of Design — Section 09 65 19 and the Room Finish Schedule identify TileBar Heights XL 9-inch x 60-inch loose-lay LVT, while the product data/cut-sheet package includes Moxy XL 9-inch x 72-inch rigid-core click flooring. Please confirm the required basis-of-design product and installation system for bidding.

Sep 28, 2026 1:33 PM

Answered by Roberto De La Torre Real: Moxy XL 9" x 72" rigid-core click flooring is the basis of design.

Flooring shall be waterproof, scratch-resistant, and stain-resistant.

11. Resilient Wall Base

Question: Resilient Wall Base — The Room Finish Schedule identifies a 4-inch wall base, while Section 09 65 13 specifies Johnsonite Millwork Mandalay at 4.5 inches. Please confirm the required wall-base profile and height.

Sep 28, 2026 1:33 PM

Answered by Roberto De La Torre Real: Section 09 65 13 is correct. Provide Johnsonite Millwork Mandalay wall base at 4.5 inches high.

12. Interior Painting Limits

Question: Interior Painting Limits — The Room Finish Schedule identifies the Kitchen, Blue Restroom, White Restroom, and Red Restroom. Please confirm whether the painting scope is limited to these four rooms, including the scheduled walls, ceilings, doors, and frames, or whether additional interior areas of Bella House are to receive new paint.

Sep 28, 2026 1:33 PM

Answered by Roberto De La Torre Real: Yes. Painting scope is limited to the Kitchen, Blue Restroom, White Restroom, and Red Restroom, including scheduled walls, ceilings, doors, and frames.

13. Bathroom Wall-Mounted Light Fixtures

Sep 28, 2026 1:34 PM

Question: Bathroom Wall-Mounted Light Fixtures — Section 10 95 00 identifies both 24-inch and 36-inch Kohler Crue wall-mounted fixtures, while the architectural and electrical drawings appear to reference 24-inch fixtures with inconsistent EQID numbering. Please confirm the required quantity, size, and model of wall-mounted light fixtures for each restroom.

Sep 28, 2026 1:34 PM

Answered by Roberto De La Torre Real: All restroom wall-mounted light fixtures shall be 24-inch fixtures, EQID 26-01. The 36-inch fixture is not used.

14. Whole-House LED Relamping

Question: Whole-House LED Relamping — The electrical documents require replacement of existing lamps throughout the building with LED lamps. Please confirm whether exterior fixtures are included in this requirement and, if available, provide the design quantity of existing fixtures/lamps to be relamped.

Otherwise, please confirm that bidders are to field-verify the quantity.

Sep 28, 2026 1:34 PM

Answered by Roberto De La Torre Real: No. Only interior light fixtures shall be relamped. Quantities and lamp types are identified on Sheet E2.1.

15. Casework Door and Drawer-Front Construction

Question: Casework Door and Drawer-Front Construction — Section 06 40 23 contains references to both WIC Type V and WI Type A for cabinet doors/drawer fronts. Please clarify the required door and drawer-front construction standard for the new casework.

Sep 28, 2026 1:34 PM

Answered by Roberto De La Torre Real: Provide WIC Type V Plastic Laminate Frameless Casework. Refer to architectural details for additional requirements.

16. Existing Kitchen Appliances and Dishwasher Relocation

Question: Existing Kitchen Appliances and Dishwasher Relocation — The existing range and refrigerators are indicated to remain and be protected. Please confirm whether the Contractor is required to temporarily disconnect, move, store/protect, and reinstall these appliances as necessary to perform the new flooring and casework work. Please also identify the range fuel type. For the relocated dishwasher, please confirm that all required modifications to water, drain, and electrical connections are included in the Contractor's scope.

Sep 28, 2026 1:34 PM

Answered by Roberto De La Torre Real: Existing appliances may be temporarily stored on-site during flooring installation. Dishwasher relocation shall include all required water, drain, and electrical modifications. Existing range is gas-fired with a standard electrical receptacle.

17. Kitchen Downtime / Temporary Kitchen Requirements

Sep 28, 2026 1:35 PM

Question: Kitchen Downtime / Temporary Kitchen Requirements — The Special Provisions establish restrictions on restroom shutdowns. Please confirm whether there is a maximum allowable duration that the kitchen may be out of service. Please also confirm whether the Contractor is required to provide any temporary kitchen, temporary appliances, meal-service accommodations, or temporary utility connections during the kitchen phase.

Sep 28, 2026 1:35 PM

Answered by Roberto De La Torre Real: The Contractor is not required to provide a temporary kitchen, temporary appliances, meal service accommodations or temporary utility connections during the kitchen phase. Facility staff will coordinate meal service for patients during the kitchen shutdown. The kitchen may be decommissioned for a maximum duration of 3-weeks (15 working days). A shutdown exceeding 15 working days will not be permitted without prior approval and coordination with the County and facility staff. Contractor shall also plan and sequence the work to maintain access through the kitchen for as long as reasonably possible, as the kitchen currently provides the only access route between the front entrance and the rear portion of the building.

18. Utility Shutdown Requirements / Section 01 10 00

Question: Utility Shutdown Requirements / Section 01 10 00 — Section 01 10 00, Paragraph 1.05 refers to maintaining "24/7 Emergency Communication and Dispatch Services from these premises." Please confirm whether this requirement is applicable to the Bella House project. Section 1.06 also requires a minimum of 15 working days' notice before utility cutovers; please confirm that this notice requirement applies to plumbing and electrical shutdowns associated with this renovation and identify any maximum permitted shutdown duration.

Sep 28, 2026 1:35 PM

Answered by Roberto De La Torre Real: No. Section 01 10 00, Paragraph 1.05.A is not applicable to this project.

19. County Website Scope Reference / Water Meter Test Bench

Question: County Website Scope Reference / Water Meter Test Bench — The County project webpage associated with PW 26-25 contains a reference to a water meter test bench. Please confirm that no water meter test bench work is included in Bella House Kitchen and Bathroom Rehab, PW 26-25, and that the bid scope is limited to the applicable Contract Documents, Drawings, Specifications, and Addenda for this project.

Answered by Roberto De La Torre Real: There is no water meter test bench work associated with the Bella House Kitchen and Bathroom Rehab, PW 26-25. Bid scope is limited to the OpenGov project documents and attachments (plans, specifications, and cut sheets).

20. Bid Security Delivery Logistics

Question: Bid Security Delivery Logistics — The Vendor Proposal requires physical delivery of the original bid security to 1195 Third Street, Suite 101 before the October 6, 2026, 11:30 AM bid deadline. Please confirm that the bid security may be delivered in advance of bid day and advise whether any specific envelope labeling, recipient name, delivery hours, or receipt procedure is required.

Sep 28, 2026 1:35 PM

Answered by Roberto De La Torre Real: Contractor may deliver bid security in advance of bid day. Please note that the Public Works main office is open Monday through Friday from 8 AM to 5 PM. Contractors should hand deliver envelop to front office staff and clearly label envelope with contractor name, contractor DIR#, contractor CSLB #, project name, and recipient (Roberto De La Torre Real).

21. Contractor Qualification — Eligible Government Agencies

Question: Contractor Qualification — Eligible Government Agencies — The Vendor Proposal requires three qualifying capital improvement projects for a government agency within the last five years. Please confirm whether projects performed for federal agencies, school districts, special districts, and publicly owned utilities are considered government-agency projects for purposes of this qualification requirement.

Sep 28, 2026 1:35 PM

Answered by Roberto De La Torre Real: For purposes of this project, an eligible government agency includes a local, state, or federal agency, school district or special district. Projects performed for publicly owned utilities will not qualify for purposes of satisfying this project’s contractor qualification requirement as such projects are not considered sufficiently related to the scope of this building project.

22. Contractor Staging, Dumpster, and Material Storage

Sep 28, 2026 1:36 PM

Question: Contractor Staging, Dumpster, and Material Storage — Please identify the area that will be available to the Contractor for staging, material storage, and construction debris/dumpster placement during the work. If no dedicated staging area will be provided, please confirm the restrictions bidders should assume when pricing material deliveries and daily debris removal.

Sep 28, 2026 1:36 PM

Answered by Roberto De La Torre Real: Contractor shall remove construction debris daily. Long-term dumpster placement is not desired. A small area at the top of the driveway may be used for material staging and portable toilet placement.