Department of Treasury 5th Floor Renovation

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CITY/ST./ZIP STREET NAME DRAWING PROJECT BUILDING SUB A/E PRIME A/E A/E CON. NO. CONTRACTORS FLOOR NO. FACILITY CODE PROJECT A/E TASK NO. 24 x 36 DC- 1 2 3 4 5 A B C D WASHINGTON, DC MERIDIEN GROUP / CITADEL DCA KM MERIDIEN GROUP, LLC 208 SOUTH KING ST. SUITE 303 LEESBURG, VA 20175 (703) 777-8285 www.meridiengroupllc.com 01/14/2026 5TH FLOOR ALTERATIONS 5TH FLOOR 0025-25 23 JANUARY 2026 100% SUBMISSION FEDERAL OFFICE BUILDING N KEY PLAN 1 2 3 4 5 CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED NORTH MEP: SRBR Engineers Inc. TRES-2025-012 Phone: 410/869-7282 Web: www.SRBRengineers.com 757 Frederick Road Suite 300 - Catonsville, Maryland 21228 MEP Consulting Engineers since 1959 SRBR WEST WING M001 COVER SHEET MECHANICAL MECHANICAL SPECIFICATIONS 1. Furnish and install a complete and operational system in accordance with drawings and these specifications. Provide all materials whether specified or not for a complete and operational system that complies with all required codes and standards. All materials and equipment shall be installed in accordance with the manufacturer's instructions and all applicable codes and standards. Equipment shall be installed complete including power, controls, supports, etc. 2. The contractor shall be responsible for visiting the site prior to bid and becoming familiar with all existing conditions that may affect his work. The contractor shall include in his bid any required labor and materials necessary to modify, remove or relocate existing work to allow for the new work to be installed. If the contactor believes the new work cannot be installed as shown in the drawings, he shall inform the project construction manager immediately. There shall be no additional compensation for failure to include coordination with existing conditions in the scope and cost. Site visits shall require an escort provided by the US Treasury and shall be scheduled a minimum of 48 hours in advance. 3. All work shall be done in accordance with applicable building, mechanical, plumbing, electrical and energy codes and standards. These include, but are not limited to the 2021 International Building Code (IBC), International Mechanical Code (IMC), International Plumbing Code (IPC), International Fuel Gas Code (IFGC), National Fire Protection Association (NFPA), American Society of Refrigeration and Air Conditioning Engineers (ASHRAE), Sheet Metal and Air Conditioning Contractors National Association (SMACNA), National Electrical Code. If any existing code violations are found, the contractor shall notify the project manager immediately. Construction shall also comply with all requirements of ICD/ICS 705 Standards. 4. The contractor shall maintain a competent superintendent on site at all times who will oversee all work and ensure the construction is done in a safe, clean and professional manner. He shall ensure the work is done in accordance with the project specifications, all layout is correct and accurate and the quality of the workmanship meets or exceed industry standards. He shall also verify all manufacturer instructions are being followed for installation and setup. 5. The contractor shall submit equipment shop drawings for all major equipment and materials including, but not limited to, fans, ductwork, air devices, etc. Shop drawings shall indicate materials, dimensions, weights, performance data and warranty information. 6. The contractor shall maintain a set of as-built documents on site at all times. The drawings shall maintain red-line markup of all deviations from the deign documents and include pertinent information such as critical dimensions and elevations. 7. All new equipment and materials shall be reviewed by the contractor before ordering to ensure the equipment will fit in the given space, is suitable for the location, arrangement of duct, piping, etc, and can be serviced once installed. All required service access space shall be maintained and room shall be provided to remove filters. Verify equipment electrical characteristics meet the existing available power. 8. Ductwork shall be constructed of galvanized sheet metal fabricated and installed in accordance with the latest SMACNA standards. Ductwork shall be constructed to 2” wc working pressure and shall have a minimum thickness of 26 gage. Duct transitions and turns shall utilize fittings. Install flexible duct connectors at each connection to equipment with moving parts (ie fan coil units and exhaust fans, etc). All supply and return ductwork shall be insulated with 1.5” thick foil faced fiberglass duct-wrap with integral vapor barrier. Flexible branch ducts shall be permitted provided they are UL sited for such duty, are pre-insulated and carry a helical spring to retain its shape. Flexible branch ducts shall not exceed 6 ft in length and shall not turn more than 270 degrees. 9. All new or modified air syste…