Addendum 1 - Architect Narrative.pdf

www. t rdes i gngroup. com

September 24, 2026

TO: All Bidders

PROJECT: San Bernardino County Baker Family Learning Center Remodel and Addition

RE: ADDENDUM 1

This addendum forms a part of the contract documents for the above-named project and modifies the original drawings and project manual provided in the subject Bid. All portions of the contract documents not specifically modified in this Addendum remain in full force and effect.

Careful note of the Addendum shall be taken by all parties of interest so that the proper allowances may be made in strict accordance with the Addendum, and that all trades shall be fully advised in the performance of the work which will be required of them.

Bidder shall acknowledge receipt of this Addendum in the space provided on the Bid Form. Failure to do so may subject Bidder to disqualification.

1.1 Drawings

1.1.1 See attached Utility Plan, sheet 1 of 1.

1.1.2 See attached As-built irrigation drawings L2 and L3.

General Questions

1.2 Which takes precedence for the planting technical specs: Section 329000 or Sheet LP-

1.2.2.2? Response: Specification Section 329000 shall take precedence.

1.3 Which takes precedence for the irrigation technical specs: Section 328400 or Sheet LI- 1.2.3.5? Response: Specification Section 328400 shall take precedence.

1.4 Detail G/ LP-1.1, section 329000/ 2.01A and LP-1.2 indicate different tablet materials and application rates. Which one takes precedence. Response: Specification Section 329000 shall take precedence.

1.5 Detail A/ LP-1.1 indicates twist-brace for tree. However, section 329000/ 2.04 indicates cinch-tie. Clarify the correct material. Response: Cinch tie

1.6 Please provide the irrigation as-built plan if any. Response: See attached.

1.7 Legend for mainline on sheet LI-1.0 indicates its material to be CL315. However, section

328400/ 2.02C indicates SCH40. Clarify the correct material. Response: Purple CL315 to Match.

ADDENDUM 1

WWW.TRDESIGNGROUP.COM

1.8 Please confirm that all irrigation valve boxes shall be purple in color. Response: all equipment to be purple to match existing

1.9 Section 328400/ 3.06H indicates the sand backfill dimension to be 6" cover and under.

However, detail D/ LI-1.1 indicates 6" cover and 2" under. Kindly clarify the correct dimension. Response: If native soil is found to be uniform and free of rock or debris larger than 2" diameter 2" sand bedding minimum shall be applicable. If soil contains rock or other debris sand bedding shall be extended to 6" depth

1.10 Clarify whether the existing roof is still under warranty. Response: Warranty certificate is attached.

1.11 Will the learning center be open and operating during construction? Response: Yes, coordination will need to take place with the end users and the County.

1.12 Define the working hours for this project. Response: 7AM – 3:30PM

1.13 Clarify the boundaries of the general contractor's laydown area and the parking area(s) for all construction employees. Response: The location may change depending on the on-going construction operations and scheduling.

1.14 Clarify who is responsible for the security system. It appears that existing cameras will need to be removed and/or disabled prior to demolition. Please clarify who is responsible for relocating and/or adding security cameras as part of the remodel. If the GC is responsible, please provide the system manufacturer and clarify the scope.

Response: Contractor to remove two (2) existing security camera devices facing east, store or return to owner on site. Re install on east side of building upon completion with location being determined in coordination with County.

1.15 Clarify who is responsible for the removal, storage, and reinstallation of all the contents of the library and all rooms affected by construction (including but not limited to books, bookshelves, furniture, computers, photos, posters, etc). Response: County will remove and store all media and materials. Contractor will be responsible for the removal and relocation of fixed furniture and shelving.

1.16 On sheet AD-1.0 & A-1.0 it shows the Children's Zone (shaded area) and the Library

Zone (construction area). Will the Children's Zone be occupied during construction of the Library Zone? Please confirm. Response: The Children’s Zone will remain open while the entire remaining library portion will be closed during construction.

1.17 Will the project be subject to any labor agreements such as PLA/CWA? Response: No.

1.18 In regard to the 'CONTRACTOR CERTIFICATION CALIFORNIA AIR RESOURCES BOARD

(CARB) IN-USE OFF-ROAD DIESEL FUELED FLEET CERTIFICATION OF COMPLIANCE'. Will only the prime contractor need to submit this? If all listed subcontractors have to submit, will the county allow their submission to be post bid? Response: Contractor shall provide their own CARB Certification as part of the bid documents and must include the CARB cert number for each subcontractor as part of the bid documents. A CARB certificate for each subcontractor will be required by the successful bidder prior to official award.

1.19 Construction Water & Power: Please confirm whether the Contractor may utilize the existing facility's water and electrical services for construction. If so, please confirm whether they will be available at no cost to the Contractor. If not, please provide the requirements and locations for temporary water and electrical service. Response:

Contractor to provide per special conditions.

1.20 On sheet A-8.0 the finish floor plan shows F-1 & B-1 finishes @ the Circulation Desk #105

& Library Stacks #106. Demo sheet AD-1.0 Main Stacks area does not show (E) carpet to be removed. Does this area receive new flooring and who is responsible to remove and reinstall the Main Stacks? Please confirm. Response: All areas to receive new carpeting to have existing flooring removed. Contractor to relocate and replace book stacks in same location unless noted otherwise by County staff (all relocation to take place in the same rooms). County staff will remove and replace all media.

1.21 Is there a hazardous waste report available? Response: The County will supply a hazardous waste report prior to demolition.

1.22 Existing Foundations / Underpinning: Please confirm the exact limits, locations, and sequencing of all required underpinning of the existing foundations. Please also confirm whether temporary shoring/support of the existing structure during underpinning is to be designed and provided by the Contractor. Response: Please refer to the details that are called out at each underpin footing. The details show where the footing ends under the existing continuous footing. That dimension relative to the column is scheduled on sheet S-

1.0 in the Underpin Pad Footing Schedule. Pad dimensions are on the foundation plan and on the schedule. Sequencing will be up to the contractor. There are Temporary shoring of the existing structure is to be designed and provided by the Contractor.

1.23 Over-Excavation / Unsuitable Soils: Please confirm the required limits of over-excavation beneath the new additions and associated improvements. If unsuitable soils are encountered beyond the limits identified in the geotechnical report, please confirm whether the additional removal and replacement will be considered extra work. Response: areas of the proposed additions should be over-excavated to a minimum of 4 feet bgs or a minimum of 2 feet below the proposed footing bottom, whichever is deeper. The over-excavation areas should be laterally extended to a minimum of 4 feet from outlines of the footprints except for those areas. Where the overexcavation is adjacent to the existing footing A-B-C slot cuts should be conducted in no more than 5 feet in width and depth.” “No fill should be placed until the area to receive the fill has been adequately prepared, cleared of fill soil and/or loose alluvial deposits, and approved by the Geotechnical Consultant or his representative.

1.24 Is there a specific bid bond form required. Contractors may use their own bid bond forms for bid submission.

Substitutions

1.25 Section 10 11 16: GLASS MARKERBOARDS - NELSON ADAMS NACO is an acceptable product.

1.26 Section 074243: COMPOSITE MTEAL PANELS – ALFREX FR MCM is an acceptable product.

1.27 Section 076113: STANDING SEAM METAL ROOF – Taylor Metal Products 150 is an acceptable product.

Additional Terms to Contract

1.25 Background Checks for Contractor and Subcontractor Personnel Contractor shall ensure that its personnel, and all subcontractor personnel (a) are authorized to work in the jurisdiction in which they are assigned to perform work; (b) do not use legal or illegal substances in any manner which will impact their ability to provide services to the County; and (c) are not otherwise disqualified from performing the services/work under applicable law. If requested by the County and not in violation of applicable law, Contractor shall conduct a background check, at Contractor’s sole expense, on all its personnel that will be performing work at the Project site. If requested by the County, Contractor shall provide the results of the background check of each individual to the County. Such background check shall be in the form generally used by Contractor in its initial hiring of employees or contracting for contractors or, as applicable, during the employment screening process but must, at a minimum, have been performed within the preceding twelve (12) month period. Contractor and subcontractor personnel who do not meet the County’s hiring criteria, in County’s sole discretion, shall not be assigned to work on County property, and County shall have the right, at its sole option, to refuse access to any Contractor and subcontractor personnel to any County facility.

Contractor shall obtain from the Department of Justice (DOJ) records of all convictions involving any sex crimes, drug crimes, or crimes of violence of a person who is offered employment or a subcontract or volunteers for all positions in which he or she would have contact with a minor, the aged, the blind, the disabled or a domestic violence client, as provided for in Penal Code section 11105.3 prior to providing any work at a County facility. A copy of a license from the State of California, which requires a DOJ clearance, is sufficient proof. The County must be immediately notified of any records showing a conviction. The County may instruct Contractor to take action to deny/terminate employment or terminate a subcontract where the records show the person is unsuitable for employment.

In addition to the documentation of DOJ clearance, Contractor shall obtain clearance from the Federal Bureau of Investigation (FBI) and Child Abuse Central Index (CACI), and records of all convictions involving any sex crimes, drug crimes, or crimes of violence of a person who is offered employment or a subcontract for all positions in which he or she would have contact with a minor, the aged, the blind, the disabled or a domestic violence client, prior to providing any services. The County must be immediately notified of any records showing a conviction. The County may instruct Contractor to take action to deny/terminate employment or subcontract where the records show the person is unsuitable for employment.

Contractor shall notify the County of any board member, staff member, or subcontractor who is knowingly or negligently employed who has been convicted of any crime of violence or of any sexual crime. Contractor shall investigate all incidents where an employee or subcontractor has been arrested and/or convicted for any crime listed in Penal Code Section

11105.3 and shall notify the County. In the County's discretion, the County may instruct Contractor to take action to either deny/terminate employment or subcontract where the investigation shows that the underlying conduct renders the person unsuitable for employment.

Contractor shall immediately notify the County concerning the arrest and/or conviction, other than minor traffic offenses, of any paid employee, agent, consultant, or subcontractor when such information becomes known to Contractor.

Contractor shall also ensure that its personnel, and all subcontractor personnel, are at no point in time in the same room as children without County staff being present in accordance with 22 CCR § 101170.

END OF ADDENDUM

September 24, 2026