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Addenda

20251915

Nov 13, 2025

original: Nov 5, 2025

12:00 PM

original: 03:01 PM

Elizabeth Vaughan Elementary School

2200 York Drive, Woodbridge, VA 22191

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Addendum 01.pdf

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Primary Products:

21 13 13 Wet-Pipe Sprinkler Systems, 22 05 19 Meters and Gauges for Plumbing Piping, 22 11 13 Facility Water Distribution Piping, 22 11 16 Domestic Water Piping, 22 11 23.3 Pkg Booster Pumping Station, 22 11 23.2 Inline Pumps, 22 13 23 Grease/Oil/Water Interceptors, 22 33 00.23 Commercial Water Heaters, 22 40 00 Plumbing Fixtures, 23 05 19 Meters and Gauges for HVAC Piping, 23 05 33 Heat Trace, 23 05 48 Vibration and Seismic, 23 05 93 Testing, Adjusting and Balancing, 23 09 00 Instrumentation and Control, 23 21 13 Hydronic Piping, 23 21 23 Hydronic Pumps, 23 23 00 Refrigerant Piping, 23 25 00.1 HVAC Water Treatment, 23 26 90 Adjustable Frequency Drives, 23 30 00.2 HVAC Air Distribution, 23 31 00.2 HVAC Ducts and Casings, 23 34 16 Centrifugal HVAC Fans, 23 34 23 HVAC Power Ventilators, 23 36 01 Constant Volume, 23 36 02 Variable Volume, 23 37 00.1 Air Outlets and Inlets, 23 37 13 Diffusers, Registers, and Grilles, 23 37 23 HVAC Gravity Ventilators, 23 40 00.1 HVAC Air Cleaning Devices, 23 54 00.1 Furnaces, 23 72 08 Make -Up-Air units, 23 72 13 Heat-Wheel ERU, 23 74 01 Packaged Rooftop A/C Units, 23 81 26.1 Ductless Split Sys A/C Units, 23 81 26 Split-System Air-Conditioners, 23 81 27 Ductless Split System Heat Pumps, 23 81 46 Water-Source Unitary Heat Pumps, 26 20 00 Low-Voltage Electrical Distribution, 26 22 00 Low-Voltage Transformers, 26 24 00 Switchboards and Panelboards, 26 28 16 Enclosed Switches/Breakers, 26 29 13 Enclosed Controllers, 26 31 00 Photovoltaic Collectors, 26 32 13 Engine Generators, 26 36 00 Transfer Switches, 26 51 00 Interior Lighting, 26 56 00 Exterior Lighting, 27 05 28 Pathways For Communications Systems, 27 20 00 Data Communications, 27 41 00 Audio-Video Systems, 27 51 16 Public Address, 28 13 00 Access Control, 28 16 00 Intrusion Detection, 28 23 00 Video Surveillance, Division 28 Fire Detection and Alarm, Division 60 - Heat Trace, Division 61 - Generators, Division 90 - Architectural, 00 10 06 Airflow Measurement

Secondary Products:

00 60 00 General Information

Regions: Prince William
Document Folder Name: 20251915

Notes:

»
BDC to 11-12 per Vertical, no additional addenda posted.
- by Sandi Dillon on (11/03/2025 12:00:19)
»
Processed & Uploaded
- by Mike Dillon on (10/27/2025 10:58:32)

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20251924

Nov 13, 2025

original: Nov 7, 2025

02:00 PM

original: 02:00 PM

Somerset Elementary School - Chiller

5811 Warwick Place, Chevy Chase, MD 20815

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Addendum 01.pdf
Addendum 02.pdf
Addendum 03.pdf
Addendum 04.pdf

Products:
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Regions: Chevy Chase, Montgomery
Document Folder Name: 20251924

Notes:

»
BDC to 11-13 at 2PM per Addendum 03
- by Sandi Dillon on (11/07/2025 09:17:58)
»
Processed & Uploaded
- by Mike Dillon on (10/28/2025 01:13:29)

Add Your Notes:

20251936

Nov 13, 2025

02:00 PM

MSBC Star Community Family Life Center

1600 Whitehead Court, Baltimore, MD 21207

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Products:
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Regions: Baltimore
Document Folder Name: 20251936
Project Comments: 95% Submission Documents. No separately bound Specifications - See Drawings.

Notes: