DEPARTMENT OF PUBLIC WORKS COUNTY OF FAIRFAX

AND ENVIRONMENTAL SERVICES VIRGINIA

BUILDING DESIGN AND CONSTRUCTION DIVISION

12000 Government Center Parkway, Suite 449 Fairfax, Virginia 22035-0052 Telephone: 703-324-5800 FAX: 703-324-4365

ADDENDUM N0. 2

GEORGE MASON REGIONAL LIBRARY

PROJECT NO. LB-000016-001

This addendum consists of total (248) pages, including sketches, specifications and clarifications as noted below.

This addendum is supplementary to the contract documents for the George Mason Regional Library in Fairfax County, Virginia.

All revisions, additions or deletions included herein as Addendum No. 2 shall become a part of the Contract Documents as if originally called for in the Drawings, Specifications and Form of Bid.

Contents of Addendum No.2:

DOCUMENT DESCRIPTION

DRAWINGS

2.0 G001 REVISE: TITLE SHEET – ADDED the original Bid Issue date for each sheet noted in the drawing list: 02.JUL.2026 and Addendum No 2

21.AUG.2026.

Total number of sheets revised to reflect the 1 sheet added by Addendum No 2 – total drawing sheet 153.

REVISE: Redundant Project Team information revised.

2.1 C1-01 REVISE: Paving Notes added to identify full depth pavement replacement section.

Plan area - new full depth pavement area designated by hatch pattern, and legend added to define hatch.

2.2 C3-01 REVISE: Paving Notes added to identify full depth pavement replacement section.

Plan area - new full depth pavement area designated by hatch pattern legend added to define hatch..

Typical Pavement Section detail added at bottom of page.

2.3 C3-02 REVISE: Paving Notes added to identify full depth pavement replacement section.

Plan area - new full depth pavement area designated by hatch pattern and legend added to define hatch..

2.4 C4-01 REVISE: Plan area - new full depth pavement area designated by hatch pattern and legend added to define hatch.

Docusign Envelope ID: 6687E32E-9BE0-8973-80E6-A9E5C3754456

George Mason Regional Library Contract Number: Project Number: LB-000016-001 Addendum No. 2

2.5 S103 REVISE: Fall Arrest keynotes added and keyed on plan. Notes added to plan indicating gridline dimension discrepancy and confirmation required by GC.

2.6 S201 REVISE: Detail 11 modified to show ground sleeve graphically accurate.

2.7 S202 REVISE: Detail 5 - revise coiling grill notes.

2.8 S203 REVISE: Detail 2 - notes added to clarify installation. Details 7, 9,10, 11, 11a & 12 modified to include roof access / fall protection. Details 12 & 13 modified & 13A added to clarify bracing location relative to the new W8x10’s.

2.9 S204 REVISE: Details 1 & 2 modified to include roof access / fall protection elements. Details 3, 4,5,6, & 7 added to include roof access / fall protection elements.

2.10 D110, D111, D131, D210, D301

REVISE: Add note “DDD. Remove existing finishes that conceal or obstruct access to steel or wood framing that is detailed to receive new structural enhancement to framing.” ADD “The building will be unoccupied during construction. Prior to turning the site over to the Contractor, the Owner will clear the building and remove all equipment, books, and materials it wishes to salvage. Any items remaining in the building at the time of site turnover shall become the property of the Contractor, whether or not they are indicated on the Demolition Drawing, including but not limited to existing metal library shelving (wall-mounted and free-standing), loose furniture, miscellaneous decor, wall-hung artwork, and incidental items of any kind. The Contractor is responsible for the demolition, removal, and recycling or disposal of all such remaining items, in coordination with the scope shown on the Demolition Drawing. Remaining metal shelving, units shall be recycled by the Contractor to support the project's LEED waste diversion and construction waste management goals.

2.11 A011 REVISE: sheet reissued with Pollinator Plant Schedule that was missing from bid set print.

2.12 A130 REVISE: ADD key notes and detail tags on roof plan for roof access components.

2.13 A210 REVISE: sheet reissued to show light fixtures that were not visible on A210, but present on electrical.

REVISE: ADD Roller shade tags revised, RS-1M noted at all exterior windows.

REVISE: Roller shade tags revised, RS-2M (Black-out shades) noted at the Multi-Purpose Meeting Room, Office Room Nos. 155 & 156.

REVISE: ADD Legend note RS-1M and RS-2M roller shade types defined [manual roller shade and blackout roller shade].

2.14 A301, A302, A350, A401

REVISE: Det 1/A301 ADD note that clarifies building signage size, font, and mounting. Change to all upper-case text.

Detail 2/A301ADD note “Field Applied Vinyl-Character Graphics on interior face of glazing”. Artwork to be provided by Owner. 20 SF approximately.” ADD: Keynote to define scope.

REVISE: All sheets include additional notes for Fall Arrest keynotes, sections and detail tags added where systems visible on elevations.

REVISE: Detail 3/A401 ADD Roller shade note.

2.15 A540 REVISE: Section detail 8 /A540 notes.

2.16 A543 ADD NEW SHEET – with wall sections and details at new vertical fixed roof ladder.

2.17 A701, A703 & A704 REVISE: remove the word ‘integral’ from description of the Toilet

Accessory Assembly Legend and Schedule, Type 6A. The sink is undermounted, not integral.

2.18 A706 REVISE: note on detail 1 to read “Field Applied Vinyl-Character Graphics” on Gyp. Artwork to be provided by Owner. 25SF approximately.” ADD: Keynote to define scope.

2.19 A801 REVISE: Room Type Key Schedule revise “MECH” Room Style remove “VCT” from Floor Finish.

ADD: Room type key schedule - ADD “NET” (Network) Room Type.

Room Style assigned to Room 204.

2.20 A811 REVISE: Added Code Signage tags (a number within a circle) to plan and Finish Plan Legend. The Signage tag corresponds to the Sign Types designated on sheet A860.

REVISE: Delete VCT-1 in Comm. Room 148 – change to Epoxy coated concrete (EC) (also noted on A801 Room Type Key Schedule).

REVISE: Remove new rubber stair treads at Stair 1. ADD Note for Stair 2 to include rubber risers.

2.21 A851 REVISE: Door Hardware Set Type 3A revised to include access hardware.

2.22 A860 REVISE: sheet reissued with Sign types added to detail tag. Note included to “SEE FINISH PLAN FOR SIGN LOCATIONS”.

2.23 P201 Sheet reissued - text was not legible in the bid set.

2.24 M200 REVISE: duct location modified to coordinate with light fixture

2.25 M500 REVISE: occupancy sensor connection on OAV controls schematic.

2.26 E100 REVISE: ADD DB / doorbell and edit responsibility matrix Security CC TV devices cabling and conductors from OFOI to CFCI.

2.27 E300 REVISE: Relocate lighting control stations, and occupancy sensors to meet maximum range requirements for Lutron Vive system.

2.28 E400 REVISE: delete Card Reader inside Vestibule 140. Add card reader to door 201 stair access to Mechanical / Electrical mezzanine. Note door 110 does not require a door position switch.

2.29 E500 REVISE: Clouded areas represent the removal of dashed linework that delineated the Control zones which have been removed to combine areas. This change was required to facilitate the change from Lutron Athena to Lutron Vive System.

2.30 E700 REVISE: Elec Luminaires Schedule –modified Luminare Basis of Design part number to coordinate change from Lutron Athena to Lutron Vive controls.

Details 4 & 5 modified from a wireless control, wired power (Lutron Athena system) to a wireless control, partially battery powered / partially hard-wired power system (Lutron Vive).

2.31 E701 REVISE: ADD det 14 – Fire alarm Block Diagram.

SPECIFICATIONS

2.32 Project Manual

Table of Contents

Table of contents edited to reflect sections reissued with Addenda No 2 on August 21, 2026. Replace full TOC 6 pages.

2.33 01 1100 Summary of Work, Page 011100-2

REVISE 1.2.A to include Standing Seam Metal Roof Panels, Metal Fabrications for the delegated design items.

2.34 05 5000 Metal Fabrications

ADD Section 1.1 A.8 & 9, Section 1.1.C.2 Section 1.2.C Section 1.3.C.8 & 9 Section 1.3.D and D.1 Section 1.4.B Section 1.5.B Section 1.6B & C Section 2.2 A & B & B.1 and 2.2.B.2.a & b.

Section 2.14 & 2.15 entirely These edits reflect the ADDED roof access components including delegated- designed, vertically fixed ladders & supplemental support framing, platforms and integral platform guards and permanent steel pipe guards at roof edges. Replace full spec 12 pages.

2.35 06 4216 Flush Wood Paneling

REVISE: section1.1A.1, section 1.4.d.1 and section 2.4. Edit 2.5.C.3 DELETE Sections 2.8.B & C and 3.2.E.

These edits reflect the removal of reference to wood veneer – replace with plastic laminate.

Replace full spec 06 pages.

2.36 07 4113 Standing Seam Metal Roof Panels

REVISE: sections 1.1.B. Related Sections changed on 1, 3 & 4.

1.2.A.7 ADD Delegated design notes.

1.3.C.3a & 4, 1.3.D, and 1.3.E.1 REVISED Shop Drawing requirements.

1.4.B REVISE Delegated design submittal information.

2.2.A and 2.2.B.2 Performance requirements added.

3.4.A. REVISE vapor retarder installation.

3.7.A.9 and 3.7.J ADD coordination for PV panel notes.

Remove 12 pages replace with 14 pages.

2.37 07 4215 Metal Composite Material Wall Panels

REVISE: section 2.3.B.4.a Color Azure Blue (PVDF3). Replace full spec 08 pages.

2.38 07 7200 Roof Accessories

REVISE: sections 1.1.A.3 ADD Slope Walkway Access System 1.3.C. & 1.4 ADD to define delegated design submittals

2.4 ADD - Sloped Roof Walkway Access System -

3.2.E ADD - notes for Sloped Roof Walkway Access

Remove 6 pages replace with 8 pages.

2.39 08 4113 Alum Framed Entrances & Storefront

REVISE: section 2.4.B.3 & 4 Glazing pane: Center and color Charcoal. Replace full spec 14 pages.

2.40 08 7100 Door Hardware REMOVE: Remove Hardware spec - 38 pages.

REVISE: Hardware set 03A. ADD access hardware components as noted on Hardware group page 29 of 41.

Replace full spec 41 pages.

2.41 09 3013 Ceramic Tiling REVISE: section 2.7. B.1 DELETE epoxy grout ADD High-performance Tile Grout.

DELETE text, 2.8.B.3 DELETE Schluter cove component - cove ceramic tile base is scheduled.

ADD Section 2.8.E Grout sealant note.

ADD Section 3.5.C Grout note for sealant.

ADD 3.7.C.1.c ADD note for high-performance grout.

Section 3.7.D.1.c ADD note for high-performance grout.

Replace full spec 12 pages.

2.42 09 6513 Resilient Base and Accessories

REVISE: section 2.4.E Delete landing tile. Replace full spec 06 pages.

2.43 09 7200 Wall Coverings, Digital Imaging

ADD: entirely new spec section for vinyl wall covering to be mounted on panels as detailed on sheet A711 and details on A820. Add full spec 04 pages.

2.44 10 1200 Display Cases REVISE: section 2.3.A.5 ADD Nelson Adams to the list of acceptable manufacturers. REVISE 2.3.B.1 & 2 – remove aluminum finish ADD laminate finish. Replace full spec 04 pages.

2.45 10 1419 Dimensional Letter Signage

REVISE: section 2.1.A.3 & 4 - Add text size 4” all capital letters, and 8” for numbers and Arial font.

REVISE: SECTION 2.1.6.a & b – finish and mounting description.

Replace full spec 04 pages.

2.46 10 1420 Monumental Signage, Illuminated

REVISE: section 2.3.B.1 REVISE LED Panel requirements - Display Face shall be single sided. Replace full spec 08 pages.

2.47 10 1423 Panel Signage REVISE: Delete ‘Field-Applied, Vinyl Character Signs’. Replace with ‘Field-Applied, Vinyl Character Graphics’. Title and references at sections 1.1.A.3; 2.5 Title; 2.5.A.1,2,3; 3.2.D, E; 3.3.A; and 3.4.F edited.

ADD Note the artwork will be provided by the Owner when under contract. Remove size, substrate, text and font since this is a graphic cut-out not letters. Replace full spec 06 pages.

2.48 11 2423 Fall Protection Systems

ADD entirely new spec section to cover roof access components including delegated-designed, vertical fixed ladders & supplemental support framing, platforms and integral platform guards and permanent steel pipe guards at roof edges. Replace full spec 05 pages.

2.49 23 0500 Common Work Results for HVAC

REVISE: section 1.7.G. Removed section G. Section H has become section G in addendum. Replace full spec 20 pages.

2.50 28 1643 Security Management System

ADD: section 2.3.B.2. Include access card supplier as County Security

- DEMS.

REVISE: section 2.8.A.1.d. Include data cable color as yellow sheathing. Replace full spec 10 pages

2.51 28 2300 Video Management System

REVISE text: 2.1.C.b: All server hardware shall be enterprise class.

ADD: section 2.8.A.4. Include camera data cable color shall be green.

Replace full spec 12 pages

END OF ADDENDUM No. 2

Bidders are required to acknowledge receipt of all addenda on Page B-2 of the Form of Bid, Section B. Failure to indicate receipt of any addenda may be cause for rejection of Bid.

COUNTY OF FAIRFAX, VIRGINIA

By: __________________________________________________ Vrushali Oak, Director Building Design and Construction Division

Dated: ____________________

08/28/2026

1322 GMRL - Narrative - Add No 2 2026_0821_Rev1_hk