Main Treasury 2453 New Office Drawings.pdf

G- 001

FEDERAL OFFICE BUILDING

DRAWING INDEX

GENERAL

ARCHITECTURAL

G-001 COVER SHEET 01 OF 21

G-002 NOTES, ABBREVIATIONS, AND SYMBOLS 02 OF 21

AD 101 EXISTING & DEMOLITION WALLS AND FLOOR SYSTEM FLOOR PLAN 03 OF 21

AD 102 EXISTING & DEMOLITION RCP 04 OF 21

AD 201 EXISTING & DEMOLITION SECTIONS/ INTERIOR ELEVATIONS 05 OF 21

AD 202 EXISTING & DEMOLITION SECTIONS/ INTERIOR ELEVATIONS 06 OF 21

A-101 NEW WORK FLOOR PLAN W/O AND W/ FURNITURE 07 OF 21

A-102 NEW WORK RCP 08 OF 21

A-103 NEW WORK FLOOR PANELS W/O AND W/ FURNITURE 09 OF 21

A-201 NEW WORK FRAMING ELEVATIONS AND SECTIONS 10 OF 21

A-202 NEW WORK FRAMING ELEVATIONS AND SECTIONS 11 OF 21

A-203 NEW WORK FRAMING ELEVATIONS AND SECTIONS 12 OF 21

A-204 NEW WORK FRAMING ELEVATIONS AND SECTIONS 13 OF 21

A-301 WALL TYPE A 14 OF 21

A-302 WALL TYPE B 15 OF 21

A-501 WALL FRAMING DETAILS 16 OF 21

A-502 FLOOR PANEL SYSTEM ALTERATIONS DETAILS 17 OF 21

A-503 DOOR DETAILS (DOOR FRAME F-1 & LEAF TYPE A) 18 OF 21

A-601 FINISHES NOTES AND SCHEDULE 19 OF 21

A-602 DOOR AND HARDWARE SCHEDULE, DOOR ELEVATIONS 20 OF 21

A-701 BASIS OF DESIGN CUT SHEETS DOOR AND HARDWARE 21 OF 21

COVER SHEET

100% submission

04-28-2026

FOR REVIEW

KEY PLAN

PROJECT ADDRESS:

OCCUPANCY CLASSIFICATION: B,

BUILDING SPRINKLERS: AUTOMATIC SPRINKLER SYSTEM

HISTORIC OVERVIEW: THE BUILDING IS IN THE NATIONAL REGISTER OF HISTORIC PLACES

A. ALL WORK NECESSARY TO ADD A PRIVATE OFFICE IN SUITE 2453 AFTER DEMOLISHING NON-ORIGINAL PARTITION

B. THE ENTIRE SUITE WILL BE REPAINTED AND THE CARPET WILL BE REPLACED AS WELL

N

W

PROJECT INFORMATION

WORK DESCRIPTION

REVIEW COMMENTS / NOTES

2ND FLOOR

NO

RT

H

RENOVATION OF SUITE 2453 AND ADDITION OF A NEW PRIVATE OFFICE

VESTIBULE 5436

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MARK DATE DESCRIPTION

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SHEET SIZE:

SHEET

DISCIPLINE SHEET TYPE SEQUENCE

DRAWING NO.

DRAWING TITLE

FILE NAME

CHECKED BY

DRAWN BY DATE DRAFTED:

PROJECT NO.

GSA PM

SUB. DATE

SUBMISSION

DESCRIPTION

PROJECT

TITLE

BUILDING NOs.

OTHER

BUILDING NO.

CITY/ST./ZIP

STREET

NAME

DR

AW

IN

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PR

OJ

EC

T

BU

ILD

IN

G

SUB A/E

PRIME A/E

CONS. CONTR.

A/E CON. NO.

CO

NT

RA

CT

OR

S

FLOOR NO.

FACILITY CODE

PROJECT

A/E TASK NO.

CONS. WORK

24 x 36

DC-

1 2 3 4 5

A

B

C

D

WASHINGTON, DC

MERIDIEN GROUP / CITADEL DCA

LSP

MERIDIEN GROUP, LLC

208 SOUTH KING ST. SUITE 303

LEESBURG, VA 20175

(703) 777-8285 www.meridiengroupllc.com

BARBARA CHOATE

100% SUBMISSION FOR REVIEW

KE

Y

PL

AN

1 2 3 4 5

04/14/2026

MT2453_26_004

28 APRIL 2026

FEDERAL OFFICE BUILDING

RENOVATION OF SECOND FLOOR SUITE

MT 2453 OFFICE RENOVATION

2ND FLOOR

SUITE

1. OMISSIONS FROM THE DRAWINGS OR SPECIFICATIONS OF THE DESCRIPTION OF DETAILS OF WORK WHICH ARE MANIFESTLY NECESSARY TO CARRY OUT THE INTENT OF THE DRAWINGS AND SPECIFICATIONS OR ARE CUSTOMARILY PERFORMED SHALL NOT RELIEVE THE CONTRACTOR FROM PERFORMING SUCH OMITTED OR MIS-DESCRIBED DETAILS OF WORK BUT SHALL BE PERFORMED AS IF FULLY AND CORRECTLY SET FROM AND

DESCRIBED IN THE DRAWINGS AND S SPECIFICATION

2. MANUFACTURER SPECIFIED WITHIN THE CONSTRUCTION DOCUMENTS ARE PROVIDED AS A MINIMUM PERFORMANCE CRITERIA, SUBSTITUTIONS WILL BE CONSIDERED IF COMPLAINT TO THE PERFORMANCE ESTABLISHED BY THE MANUFACTURER NOTED. BUILDING MATERIALS SUBSTANDARD TO THESE REQUIREMENTS WILL BE SUMMARILY REJECTED. ALL BUILDING COMPONENTS ARE TO BE HEAVY DUTY QUALITY AND BE FOR ABUSIVE RESISTANCE INSTALLATION. BUILDING COMPONENTS SPECIFIED HEREIN THAT DO NOT MEET THE HEAVY DUTY-ABUSIVE ENVIRONMENTAL CRITERIA MUST BE

BROUGHT TO THE ATTENTION OF THE BUILDING REPRESENTATIVE AND WILL BE RE-SPECIFIED

3. BY THE SUBMISSION OF A BID, THE SUB CONTRACTOR REPRESENTS THAT HE HAS VISITED THE SITE AND HAS FAMILIARIZED HIMSELF/HERSELF WITH

THE CONDITIONS UNDER WHICH THE WORK IS TO BE PERFORMED

4. DRAWINGS ARE NOT TO BE SCALED FOR DIMENSIONS AND/OR SIZE. VERIFY ALL DIMENSIONS BEFORE PROCEEDING AND OBTAIN MEASUREMENTS AT THE JOB FOR ALL WORK REQUIRED TO BE ACCURATELY FITTED TO THE BUILDING. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE ACCURACY OF

ALL SUCH MEASUREMENTS AND FOR THE PRECISE FITTING OF THE WORK

5. IF CONFLICTS ARE DISCOVERED AT ANY TIME BETWEEN THE ENGINEERING AND ARCHITECTURAL DRAWINGS, THE COR SHALL BE CONTACTED AT ONCE TO RESOLVE THE PROBLEM. IF THE COR IS NOT CONTACTED, THE CONTRACTOR SHALL ACCEPT THE RESPONSIBILITY TO CORRECT ANY AND ALL SUCH

WORK NOT IN A COORDINATE WITH THE ARCHITECTURAL DRAWINGS

6. CHANGES TO THE DRAWINGS (ADDITIONS, DELETIONS OR ALTERATIONS) THAT MIGHT CONSTITUTE A CHANGE ORDER MUST BE SUBMITTED IN WRITING TO THE COR FOR APPROVAL, OTHERWISE CONTRACTOR WOULD UNDERTAKE SUCH WORK AT HIS OWN RISK AND WORK MIGHT HAVE TO BE REVERSED

AT CONTRACTOR'S OWN COST

7. BEST PRACTICES, METHODS AND MATERIALS, MUST BE FOLLOWED AT ALL TIMES. ANY ITEM NOT SPECIFICALLY LISTED OR SHOWN ON THE CONTRACT DOCUMENTS BUT NECESSARY FOR THE COMPLETION OF THE PROJECT, SHALL BE CONSIDERED PART OF THE CONTRACT'S SCOPE OF WORK

8. THE G. C. & ALL SUB-CONTRACTOR SHALL SUBMIT TO COR SUBMITTALS AND SHOP DRAWINGS FOR REVIEW PRIOR TO START OF CONSTRUCTION.

9. UPON COMPLETION OF THE INSTALLATION, REMOVE ALL DEBRIS FROM THE BUILDING CREATED BY THE WORK PROVIDED UNDER THIS CONTRACT AND LEAVE ALL AREAS CLEAN. REMOVE ANY SOILED SPOTS FROM THE FACE OF THE CARPET OR OTHER FINISH SURFACES USING PROCESSES RECOMMENDED BY THE MANUFACTURER AND IN A MANNER ACCEPTABLE TO THE GOVERNMENT. REPLACE ANY AREAS OF CARPET OR FINISH SURFACES WHERE CLEANING HAS FAIL TO RESTORE THE APPEARANCE AND QUALITY SATISFACTORILY, AS DETERMINED BY THE GOVERNMENT.

10. WHERE THE G. C. IS INSTRUCTED TO ALIGN A PARTITION WITH TWO OR MORE COLUMNS AND THE COLUMNS ARE DISCOVE- RED TO BE OF UNEQUAL SIZE, THE LARGER OF THE COLUMNS SHALL DETERMINE THE LOCATION OF THE PARTITION. THIS WILL ALSO APPLY TO COLUMNS AND CORE WALLS.

11. AREA OF WORK MUST BE ISOLATED FROM THE REST OF THE FLOOR. PROTECT ALL SURFACES, EQUIPMENT& FURNITURE PRIOR TO START OF WORK

12. PROTECT ALL GOVERNMENT PROPERTY ENCOUNTERED AT THE JOB SITE AGAINST DAMAGE. ALL DAMAGE CAUSED BY THE GC OR HIS SUB-CONTRACTORS DURING CONSTRUCTION SHALL BE REPAIRED OR REPLACED TO MATCH EXISTING AND TO THE SATISFACTION AND APPROVAL OF THE COR. PRE-EXISTING DAMAGE MUST BE REVIEWED AND ACKNOWLEDGED, IN WRITING BY THE GOVERNMENT AND ARCHITECT PRIOR TO COMMENCEMENT OF WORK. DAMAGE NOT DOCUMENTED PRIOR TO CONSTRUCTION START SHALL BE REPAIRED TO LIKE NEW CONDITION WITHOUT ADDITIONAL CHARGE TO THE GOVERNMENT.

13. WHEN IN PLACE, REMOVE ALL HVAC COVERS AS NEEDED. SEAL EXPOSED DUCTS AND VENTS TO PREVENT INTRODUCING DUST INTO THE SYSTEM. (REMOVED COVERS

MUST BE REINSTALLED AT END OF THE JOB)

14. THE CONTRACTOR SHALL CLEAN UP ALL ACTIVE WORK AREAS AFTER EACH DAY’S WORK. THE CONTRACTOR IS RESPONSIBLE FOR THE REMOVAL AND PROPER

DISPOSAL OF ALL WORK RELATED TRASH AND DEBRIS.

15. THE G. C. SHALL ENSURE THAT ALL PAINT HAS BEEN REMOVED FROM ALL NON-SCHEDULE PAINTED SURFACES PRIOR TO DELIVERY OF THE SPACE.

16. THE G. C. SHALL COORDINATE ALL WORK WITH FIELD CONDITIONS AND ALL OTHER TRADES INVOLVED AS REQUIRED

17. IF THERE IS A QUESTION AS TO THE ACCEPTABLE LEVEL OF QUALITY FOR THE INSTALLATION OF ANY MATERIALS, THE COR DECISION WILL BE FINAL

18. NEW DOOR HARDWARE, INCLUDING HINGES AND LOCK SETS, ARE TO BE MOUNTED AT ABA HEIGHTS U. N. O.

19. ALL CEILING REGISTERS, GRILLES, VENTS AND DIFFUSERS SHALL BE FACTORY FINISHED. IF PAINTING IS REQUIRED, PROVIDE ENAMEL FINISH

20. ALL J-BENDS AND OTHER GYPSUM METAL TRIM SHALL BE SPACKLE-BLENDED INTO THE ADJACENT SURFACE.

21. WHERE TWO OR MORE WALL SWITCHES OR DIMMERS OCCUR IN THE SAME LOCATION, THEY ARE TO RECEIVE A COMMON GANG PLATE WHOSE FINISH

IS TO MATCH THE BUILDING STANDARD SWITCH PLATE.

22. ALL PAINTED WALLS SHALL BE HAVE A LEVEL 4 FINISH: WITH ONE ROLLER-APPLIED (1) PRIMER COAT AND (2) ROLLER- APPLIED FINISH COATS.

23. PROVIDE THRESHOLDS AT ALL DOORS & TRANSITION STRIPS WHERE CARPET MEETS A DIFFERENT TYPE OF FLOORING UNLESS NOTED OTHERWISE

24. REVIEW THE SCHEDULES, SPECIFICATIONS AND CUT SHEETS FOR ACCESSORIES, FIXTURES, ETC. THAT ACCOMPANY THE DRAWING SET PRIOR TO PLACING ORDERS. IF CONFLICTS ARE FOUND, INFORM THE COR OF SUCH FINDINGS AND TAKE NO ACTION UNTIL RESOLVED. IN THOSE CASES, IF AN ORDER FOR AN UNRESOLVED ITEM IS PLACED WITHOUT APPROVAL OF COR, THE CONTRACTOR ASSUMES ALL RESPONSIBILITY IF THE ITEM IS NOT ACCEPTED BY THE

GOVERNMENT

25. ALL WORK MUST BE COMPLETED CONFORMING TO CODES AND REGULATIONS WHICH INCLUDE, BUT ARE NOT LIMITED TO THE FOLLOWING ( LATEST EDITIONS AS PER 9/2025) : International Building Code (IBC), International Existing Building Code (IEBC), DT-DRM REV. 2.1, Architectural Barriers Act (ABA) Accessibility Standards, NFPA 1: Fire Code, NFPA 10: Standard for Portable Fire Extinguishers, NFPA 13: Standard for the Installation of Sprinkler Systems,NFPA 70 (NEC): National Electrical Code, NFPA 72: National Fire Alarm and Signaling Code, NFPA 80: Standard for Fire Doors and Other Opening Protectives, NFPA 90A: Standard for the Installation of Air-Conditioning and Ventilating SystemsNFPA 101: Life Safety Code, NFPA 241: Standard for Safeguarding Construction, Alteration, and Demolition Operations. WHERE A CONFLICT OCCURS IN OR BETWEEN THE AFOREMENTIONED CODES AND REGULATIONS, THE STRICTER SHALL APPLY UNLESS OTHERWISE INDICATED OR AGREED UPON.

26. THE INVESTIGATION FOR AND REMEDIATION OF ANY HAZARDOUS MATERIALS WITHIN THE PROJECT AREA ARE NOT A PART OF THESE CONSTRUCTION DOCUMENTS. ANY SUCH MATERIAL THAT IS ENCOUNTERED AND IMPACTS THE PROGRESS OF THE WORK INDICATED BY THESE DRAWINGS AND SPECIFICATIONS MUST BE DEALT WITH BY THE CONTRACTOR WITH THE OWNER UNDER SEPARATE CONTRACT. THIS REQUIREMENT SHALL IN NO WAY BE CONSTRUED AS REPRESENTATION BY THE ARCHITECT AS TO HOW TO IDENTIFY AND REMEDIATE SAID MATERIAL.

27. CONTACT DFM TO PERFORM INSPECTIONS PRIOR TO WALL AND CEILING CLOSE-INS, AS WELL AS FINAL OCCUPANCY INSPECTION.

28. PROVIDE DEMOLITION TO THE MINIMUM EXTENT REQUIRED FOR THE INSTALLATION OF FIRE ALARM, SECURITY SYSTEMS AND TELECOMMUNICATIONS WORK.

COORDINATE WITH EACH TRADES AND CONSULTANTS AND VERIFY THE EXTENT OF THE WORK REQUIRED. EXISTING FINISHES AND EQUIPMENT IN THE WORK AREAS ARE TO REMAIN AND SHOULD BE DISTURBED ONLY TO THE MINIMUM EXTENT TO PERFORM THE WORK.

29. COORDINATE ALL WORK REQUIRED ON FLOORS AND IN THE CEILINGS ABOVE AND BELOW THE PROJECT AREA W/ THE COR AND W/ THE USERS IN THE AFFECTED AREAS. REMOVE EXISTING CONSTRUCTION TO THE MINIMUM EXTENT REQUIRED FOR THE PERFORMANCE OF THE WORK AND REPLACE WITH LIKE-KIND AT THE CONCLUSION OF THE WORK. VERIFY THE TYPES AND AMOUNT OF EXISTING CONSTRUCTION TO BE AFFECTED. PROTECT ALL USER FURNITURE, FIXTURES AND EQUIPMENT WHILE PERFORMING THE WORK AND REPLACE ANY DAMAGED ARTICLES IN-KIND. CLEAN ALL AFFECTED USER AREAS AFTER THE COMPLETION OF THE WORK AND RETURN ALL FF&E ITEMS TO THEIR ORIGINAL LOCATIONS.

30. POWDER-ACTIVATED TOOLS REQUIRE WRITTEN APPROVAL BY THE PROJECT OFFICER AND PRESENTED UPON REQUEST WHEN IN USE. USE OF THESE TOOLS ALSO REQUIRES PROOF OF LICENSING AND TRAINING WHICH MUST ALSO BE PROVIDED UPON REQUEST. CONTRACTOR SHALL PROVIDE A LOG

OF “WHO, WHAT, WHERE AND WHEN” FOR ANY POWER OR POWDER ACTIVATED TOOLS THAT WILL BE USED. EXAMPLES OF SUCH TOOLS INCLUDE: AIR OR ELECTRICALLY POWERED TOOLS SUCH AS NAIL-GUNS, RAM TOOLS, OR ANY OTHER TOOL THAT CAN PROPEL A PROJECTILE AND MIGHT BE WEAPONIZED.

THE LOG SHALL BE CONTINUALLY UPDATED DURING CONSTRUCTION, MADE AVAILABLE UPON REQUEST, AND PROVIDED TO THE PROJECT OFFICER AT

WORK COMPLETION. (NOTE: GAS TOOLS ARE NOT ALLOWED AT TREASURY)

31. ALL MATERIALS MUST BE U.S.A. MADE

HISTORIC PRESERVATIONGENERAL CONSTRUCTION / WORK NOTES

ABBREVIATIONS

1. ANY PROJECT AFFECTING HISTORIC PROPERTIES MUST FOLLOW SECRETARY OF THE INTERIOR'S STANDARDS FOR THE TREATMENT OF HISTORIC PROPERTIES

2. ALL DESIGNS MUST FOLLOW APPLICABLE NIH TECHNICAL GUIDELINES AND REQUIREMENTS FOR HISTORICAL BUILDINGS

3. PROTECT ALL HISTORIC FABRIC DURING DEMOLITION AND CONSTRUCTION. DO NOT REMOVE HISTORIC FABRIC UNLESS NOTED ON DOCUMENTS. ANY HISTORIC FABRIC REMOVED MUST BE RETURNED TO COR. DO NOT DISPOSE.

EJ EXPANSION JOINT

EL ELEVATION (GRADE)

ELEC ELECTRICAL

EQ EQUAL

EQUIP EQUIPMENT

ETS EXPOSED TO STRUCTURE

EW EACH WAY

EWC ELECTRIC WATER COOLER

EXT EXTERIOR

EXTG EXISTING

EXTD EXTRUDED

FCU FAN COIL UNIT

FD FLOOR DRAIN

FE FIRE EXTINGUISHER

FEC FIRE EXTINGUISHER CABINET

FEX FIRE EXTINGUISHER (NO CAB)

FFA FURNITURE, FIXTURES &

ACCESSORIES

FFE FURNITURE, FIXTURES &

EQUIPMENT

FF FINISHED FLOOR

FHC FIRE HOSE CABINET

F&I FURNISH AND INSTALL

FIN FINISH

FLASH FLASHING

FLR FLOOR

FLUOR FLUORESCENT

FOF FACE OF FINISH

FP FIREPROOFING

FPHB FREEZE-PROOF HOSE BIB

FR FIRE RETARDANT/ RESISTANT

FRP FIBERGLASS REINFORCED

POLYMER

FT FOOT/FEET

FTG FOOTING

FURN FURNITURE

FURR FURRING

FV FIELD VERIFY

FWC FABRIC WALL COVERING

GA GAUGE

GALV GALVANIZED

GB GRAB BAR

GC GENERAL CONTRACTOR

GFI GROUND FAULT INTERRUPT

GFRC GOVERNMENT FURNISHED/

CONTRACTOR INSTALLED

GFRG GLASS FIBER REINFORCED

CONCRETE

GL GLASS

GND GROUND

GR GRADE

GWB GYPSUM WALL BOARD

GYP GYPSUM

GYP BD GYPSUM BOARD

H HIGH

HB HOSE BIB

HBD HARDBOARD

HC HOLLOW CORE

HCTLT HANDICAPPED ACCESSIBLE

TOILET

HD HOLD

HDR HEADER

HDW HARDWARE

HDWD HARDWOOD

IBC INTERNATIONAL BUILDING CODE

IEBC INTERNATIONAL EXISTING BUILDING CODE

IECC INTERNTL. ENERGY CONSERVATION CODE

IFC INTERNATIONAL FIRE CODE

ID INSIDE DIAMETER

IMC INTERNATIONAL MECHANICAL CODE

IN INCH

INCAN INCANDESCENT

INCL INCLUDING

INSUL INSULATION

INT INTERIOR

IPC INTERNATIONAL PLUMBING CODE

A

B

C

ABA ARCHITECT. BARRIERS ACT

AC ACOUSTICAL TILE

ACT ACOUSTIC CEILING TILE

AD AREA DRAIN

ADA AMER. W/ DISABILITIES ACT

ADJ ADJUSTABLE

AFF ABOVE FINISH FLOOR

ALT ALTERNATE

ALUM ALUMINUM

A&G ALUMINUM AND GLASS

ANCH ANCHOR

APPROX APPROXIMATE

AOR ARCHITECT OF RECORD

ARCH ARCHITECTURAL

ATT ATTENUATION

AU ASH URN

A/V AUDIO VISUAL

B & B BALLED AND BAGGED

BD BOARD

BET BETWEEN

BF BARRIER FREE

BIT BITUMINOUS

BLDG BUILDING

BLKG BLOCKING

BM BEAM

BMK BENCHMARK

BNG BEARING

BOD BOTTOM OF DECK

BTM BOTTOM

BR BACKER ROD

BRG BRIDGING

BUR BUILT UP ROOFING

BW BOTH WAYS

C COURSE

CAB CABINET

CEM CEMENT OR CEMENTITIOUS

CER CERAMIC

CG CORNER GUARD

CIP CAST IN PLACE

CJ CONTROL JOINT

CL CENTER LINE

CLG CEILING

CLM COLUMN

cm CENTIMETER

CMU CNCRETE MASONRY UNIT

COMP COMPRESSION

CONC CONCRETE

CONT CONTINUOUS

CORR CORRIDOR

CPT CARPET

CSK COUNTERSINK

CT CERAMIC TILE

CTTA CERTIFIED TEMPEST TECHNICAL

AUTHORITY

D DEPTH OR DEEP

DBL DOUBLE

DBC DESIGN BUILD CONTRACTOR

DEG DEGREE

DEMO DEMOLITION

DET DETAIL

DF DRINKING FOUNTAIN

DIA DIAMETER

DIM DIMENSION

DN DOWN

DP DAMP PROOFING

DR DOOR

DS DOWN SPOUT

DW DISH WASHER

DWG DRAWING

DWR DRAWER

E EAST

EA EACH

EHB ELECTRIC HAND BLOWER

EHD ELECTRIC HAND DRYER

EIFS EXISTING INSULATING FINISH

JB JUNCTION BOX

JT JOINT

KD KNOCK DOWN

KO KNOCK OUT

L LONG

LAM LAMINATED

LAV LAVATORY

LB LAG BOLT OR LINEAR BOLT

LBP LEAD-BASED PAINT

LF LINEAR FEET

LLH LONG LEG HORIZONTAL

LLV LONG LEG VERTICAL

LP LOW POINT

LT LIGHT OR LIGHTING

LW LIGHT WEIGHT

M METER

MACH MACHINE

MAS MASONRY

MAT MATERIAL

MAX MAXIMUM

MBH MOP & BROOM HOLDER

MBR MODIFIED BITUMINOUS ROOF

MC MEDICINE CABINET

MECH MECHANICAL

MEMB MEMBRANE

MEP MECHANICAL, ELECTRICAL &

PLUMBING

MFR MANUFACTURER

MH MANHOLE

MIN MINIMUM

MIR-F MIRROR-FRAMED EDGE

MIR-G MIRROR-GLASS EDGE

MISC MISCELLANEOUS

MLD MOULDING

MM MILIMITER

MNTD MOUNTED

MO MASONRY OPENING

MS MOP SINK

MSD MATERIAL SAFETY DATA

MTD MOUNTED

MTG MOUNTING

MTL METAL

N NORTH

N/A NOT APPLICABLE

NCOM NON-COMBUSTIBLE

NEC NATIONAL ELECTRICAL CODE

NIC NOT IN CONTRACT

NFPA NATIONAL FIRE PROTECTION

ASSOCIATION

NOM NOMINAL

NPS NOMINAL PIPE SIZE

NTS NOT TO SCALE

OC ON CENTER

OD OUTSIDE DIAMETER

OFCI OWNER FURNISHED/

CONTRACTOR INSTALLED

OFD OVERFLOW DRAIN

OFOI OWNER FURNISHED/ OWNER

INSTALLED

OH OPPOSITE HAND OR OVERHEAD

OPG OPENING

OPP OPPOSITE

OPT OPTION OR OPTIONAL

OSSI OFFICE OF SECURITY &

STRATEGIC INFORMATION

OZ OUNCES

PA PUBLIC ADDRESS SYSTEM

PAF PRESSURE AIR FASTENER

PC PRECAST

PCEM PORTLAND CEMENT

PCF POUNDS PER CUBIC FOOT

PL PLATE

PLAM PLASTIC LAMINATE

PLBG PLUMBING

PLF POUNDS PER LINEAR FOOT

PLTR PLASTER

PLY PLYWOOD

PMR PROTECTED MEMBRANE ROOFING

PNL PANEL

PNT PAINT OR PAINTED

POE POINT OF ENTRY

POL POLISHED

PR PAIR

PSF POUNDS PER SQUARE FOOT

PSI POUNDS PER SQUARE INCH

PT POINT

PTD PAPER TOWEL DISPENSER

PTN PARTITION

PVC POLYVINYL CHLORIDE

PVMT PAVEMENT

QT QUARRY TILE

QTR QUARTER

QTY QUANTITY

R RADIUS OR RISER

RA RETURN AIR

RCP REFLECTED CEILING PLAN

RD ROOF DRAIN

RE REFER

RECEP RECEPTACLE

REFL REFLECTED

REG REGISTER

REINF REINFORCEMENT

REQD REQUIRED

RES RESILIENT

REV REVERSE

RFI REQUEST FOR INFORMATION

RH ROBE HOOK

RM ROOM

RO ROUGH OPENING

ROW RIGHT OF WAY

RSF RESILIENT SHEET FLOORING

S SOUTH

SA SUPPLY AIR

SAN SANITARY

SB SPLASH BLOCK

SC SOLID CORE

SCC SECURITY COMMAND CENTER

SCHED SCHEDULE

SCIF SENSITIVE COMPARTMENTED

INFORMATION FACILITY

SCWD SOLID CORE WOOD DOOR

SD SOAP DISPENSER

SECT SECTION

SF SQUARE FEET

SFP SPRAYED FIREPROOFING

SH SPRINKLER HEAD

SHT SHEET

SHTG SHEATHING

SIM SIMILAR

SKLT SKYLIGHT

SP STANDPIPE

SPEC SPECIFIED OR SPECIFICATION

SQ SQUARE

SR SHOWER ROD

SR/SC SHOWER ROD / SHOWER CURTAIN

SS STAINLESS STEEL

ST SOAP TRAY

STC SOUND TRANSMISSION CLASS

STD STANDARD

STL STEEL

STOR STORAGE

STRL STRUCTURAL

STRU STRUCTURE

SUSP SUSPENDED

SYM SYMBOL

SYN SYNTHETIC

SYS SYSTEM

D

G

H

T TREAD OR TOP

TB TOWEL BAR

TBL TOP OF BRICK LEDGE

T&B TOP & BOTTOM

TC TOP OF CURB

TD TRENCH DRAIN

TEL TELEPHONE

TERR TERRAZZO

T&G TONGUE AND GROOVE

THK THICK

THRU THROUGH

TLT TOILET

TOC TOP OF CONCRETE

TOD TOP OF DECK

TOF TOP OF FOOTING

TOI TOP OF INSULATION

TOJ TOP OF JOIST

TOP TOP OF PARAPET

TOS TOP OF STEEL

TOW TOP OF WALL

TPH TOILET PAPER HOLDER

TR TELEPHONE RECEPTACLE

TTB TELEPHONE TERMINAL

BOARD

TV TELEVISION

TYP TYPICAL

UCL UNDER CABINET LIGHT

ULAY UNDERLAYMENT

UNFIN UNFINISHED

UNO UNLESS NOTED OTHERWISE

UON UNLESS OTHERWISE NOTED

UR URINAL

VB VAPOR BARRIER

VCT VINYL COMPOSITION TILE

VERT VERTICAL

VIF VERIFY IN FIELD

VP VENT PIPE

VS VENT SHAFT

VT VINYL TILE

VWC VINYL WALL COVERING

W WEST OR WIDE OR WIDTH

W/ WITH

WB WIND BRACE

WC WATER COSET

WCOT WAINSCOT

WD WOOD

WDO WINDOW

WH WEEP HOLE

W/O WITHOUT

WO WINDOW OPENING

WP WATER PROOFING

WR WASTE RECEPTACLE

W/R WATER RESISTANT

WS WEATHERSRIPPING

WT WEIGHT

WWF WELDED WIRE FABRIC

YD YARD

& AND

@ AT

= EQUAL

± PLUS / MINUS

# POUNDS OR NUMBER

x TIMES

° DEGREES

∠ ANGLE

Ø DIAMETER

℄ CENTER LINE

' FEET

" INCHES

F

J

K

L

M

N

O

Q

R

S

T

U

V

W

Y

SYMBOLS AND MATERIALS LEGEND

E

I

P

ALIGN

X

X

X

ELEVATION NUMBER

SHEET NUMBER

X

X

XX

DETAIL / SECTION NUMBER

SHEET NUMBER

X FURNITURE / EQUIPMENT TAG

ALUMINUM

BATT INSULATION

CONCRETE

GYPSUM OR SAND

WOOD BLOCKING CONTINUOUS

WOOD BLOCKING NOT

CONTINUOUS

FINISH WOOD

PLYWOOD

STEEL STUD

STEEL RUNNER / TRACK

CARPET

XX

XXX

XXX

CL

XX

XX

G- 002

NOTES, SYMBOLS AND ABBREVIATIONS

OF

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MARK DATE DESCRIPTION

AGF

CE

RT

IFI

CA

TIO

NS

SHEET SIZE:

SHEET

DISCIPLINE SHEET TYPE SEQUENCE

DRAWING NO.

DRAWING TITLE

FILE NAME

CHECKED BY

DRAWN BY DATE DRAFTED:

PROJECT NO.

GSA PM

SUB. DATE

SUBMISSION

DESCRIPTION

PROJECT

TITLE

BUILDING NOs.

OTHER

BUILDING NO.

CITY/ST./ZIP

STREET

NAME

DR

AW

IN

G

PR

OJ

EC

T

BU

ILD

IN

G

SUB A/E

PRIME A/E

CONS. CONTR.

A/E CON. NO.

CO

NT

RA

CT

OR

S

FLOOR NO.

FACILITY CODE

PROJECT

A/E TASK NO.

CONS. WORK

24 x 36

DC-

1 2 3 4 5

A

B

C

D

WASHINGTON, DC

MERIDIEN GROUP / CITADEL DCA

LSP

MERIDIEN GROUP, LLC

208 SOUTH KING ST. SUITE 303

LEESBURG, VA 20175

(703) 777-8285 www.meridiengroupllc.com

BARBARA CHOATE

100% SUBMISSION FOR REVIEW

KE

Y

PL

AN

1 2 3 4 5

04/14/2026

MT2453_26_004

28 APRIL 2026

FEDERAL OFFICE BUILDING

RENOVATION OF SECOND FLOOR SUITE

MT 2453 OFFICE RENOVATION

2ND FLOOR

EXISTING TATE STEEL 24"x 24"

FLOOR PANEL SYSTEM TO REMAIN

UNALTERED

MODIFIED EXISTING STEEL 24"x 24"

FLOOR PANEL

EXISTING STEEL 24"x 24" FLOOR

PANEL TO BE REMOVED AND MODIFIED

ALIGN SURFACES

GENERAL / KEY NOTE

DEMILITION NOTE

WALL / PARTITION TYPE

ROOM NAME

ROOM NUMBER

CENTER LINE

STRUCTURAL GRID COMPONENT

EXISTING POWER/ DATA FLOOR BOX

W/ COVER

REVISION NUMBER

REVISION CLOUD

NEW DOOR ASSEMBLYX-

XX

X

EXISTING DOOR ASSEMBLY WITHIN

THE AREA OF WORK TO REMAINX-XXX

EXISTING DOOR ASSEMBLY

TO BE REMOVED

NOT IN THE SCOPE OF WORK

DOOR NUMBER

NEW WALL AS PER WALL TYPE

NEW STC-50 WALL

EXISTING WALL TO REMAIN

WALL TO BE REMOVED

FLOOR FINISH TRANSITION

FINISH ELEVATION

EXISTING DOOR ASSEMBLY OUTSIDE

THE AREA OF WORK TO REMAIN

EXISTING PENDANT LIGHT FIXTURE TO

REMAIN AS IS. PROTECT DURING

CONSTRUCTION

EXISTING SPRINKLER HEAD TO

REMAIN UNALTERED

EXISTING HISTORIC VAULTED, PLASTER

CEILING TO REMAIN UNALTERED.

PROTECT DURING CONSTRUCTION

EXISTING FCU AND ASSOCIATED

PIPING CABINET TO REMAIN AS IS.

PROTECT DURING CONSTRUCTION

PRIOR TO REFINISHING

(E)

(E) POWER/ DATA FLOOR BOX W/ COVER

AND FLOOR PANEL TO BE RELOCATED

RELOCATED POWER/ DATA FLOOR BOX

W/ COVER AND FLOOR PANEL

NEW POWER/ DATA FLOOR BOX

W/ COVER

(E)

2457A

20'-61 4"

E

'-1

'-4

VI

F

ELEV 0'- (± 6")

ELEV 0'- (± 6")

VI

F

VIF

2453 E

OFFICE

OFFICE

ELECTRICAL

CLOSET

201CL

202CL

203CL

204CL

(E) (E)

(E) (E)

(E)

(E)

(E)

(E)

(E)(E)

(E)

(E) (E)

(E)

(E)(E)(E)

2453 E

OFFICE

OFFICE

ELECTRICAL

CLOSET

201CL

202CL

203CL

204CL

EXISTING WALLS TO REMAIN

EXISTING DOORS TO BE REMOVED

EXISTING IRVINE-TATE CONCORE / ALL STEEL 24"x 24" FLOOR PANEL SYSTEM TO REMAIN

EXISTING IRVINE-TATE CONCORE / ALL STEEL 24"x 24" FLOOR PANEL TO BE REMOVED TO

ALLOW FOR WALL CONSTRUCTION. PANELS TO REMAIN ON SITE UNTIL CONSTRUCTION IS

COMPLETED. REINSTALL AFTER COMPLETION

PORTION OF WALL TO BE REMOVED

ERECT ZIP WALLS OR EQUIVALENT FROM TATE FLOOR SYSTEM TO HISTORIC CEILING TO ENCLOSE

PROJECT AREA INCLUDING CORRIDOR.

ORIGINAL HISTORIC CROWN MOLDING AND CEILING RIB MOLDINGS TO REMAIN. THE NEW PARTITIONS

SHOULD BE BUILD AS PER WALL SECTIONS TO AVOID DAMAGING THE HISTORIC ELEMENTS.

EXISTING DOOR ASSEMBLY TO REMAIN. PROTECT DURING CONSTRUCTION

EXISTING FCU TO REMAIN. COVER DURING CONSTRUCTION TO PREVENT DUST FROM ENTERING THE

VENTS

EXISTING MILLWORK TO REMAIN UNALTERED. PROTECT DURING CONSTRUCTION FRAME NEW PARTITION

AROUND MILLWORK AS INDICATED IN SECTIONS & FRAMING PLAN. DO NOT ALTER MILLWORK.

EXISTING LIGHT FIXTURES AND FIRE SUPPRESSION SYSTEM TO REMAIN UNALTERED. PROTECT DURING

CONSTRUCTION

EXISTING ORIGINAL WALL & BASEBOARD TO REMAIN UNALTERED. PREPARE TO BE REFINISHED. PROTECT

DURING CONSTRUCTION

EXISTING FLOOR BOXES TO REMAIN UNALTERED. PROTECT DURING CONSTRUCTION

EXISTING NON-ORIGINAL PARTITION W/ BASEBOARD AND CLERESTORY WINDOWS TO REMAIN. PREPARE

TO BE REFINISHED

EXISTING NON-ORIGINAL PARTITION W/ BASEBOARD TO REMAIN. ALTER BASEBOARD AS NEEDED TO

INSTALL NEW PARTITION

EXISTING PANELED PARTITION TO REMAIN. PROTECT DURING CONSTRUCTION

1 EXISTING PARTITION W/ BASEBOARD AND CLERESTORY WINDOWS TO BE DEMOLISHED AND DISPOSED.

EXISTING 2-PANEL DOOR W/ FLAT CASING TO BE REMOVED. DISPOSE OF CASING AND RETURN HARDWARE

TO COR.

NOTE: IF DOOR ASSEMBLY (DOOR LEAF + FRAME) IS IN GOOD CONDITION AND IT IS APPROVED BY TREASURY'S COR, KEEP THE ASSEMBLY ON SITE DOOR TO BE REUSED AT NEW OFFICE LOCATION.

EXISTING MILLWORK AND CROWN MOLDING AFFECTED BY THE REMOVAL OF THE PARTITION TO BE

RESTORED

REMOVE FLOOR SYSTEM PANELS AS DEPICTED TO ALLOW FOR THE DEMOLITION OF THE EXISTING WALL AND FOR THE CONSTRUCTION OF THE NEW WALLS. KEEP THE PANELS ON SITE AND REINSTALL AT THE

COMPLETION OF THE WALL CONSTRUCTION

REMOVE AND DISPOSE OF CARPET. PREPARE FLOOR PANELS TO RECEIVE NEW CARPET BY REMOVING

GLUE AND DEBRIS

REMOVE FLOOR SYSTEM PANELS WITH POWER AND DATA BOXES AS DEPICTED. KEEP THE PANELS ON

SITE AND REINSTALL AT NEW LOCATION

REMOVE OR PROTECT WINDOW BLINDS FOR THE ENTIRE DURATION OF THE WORK. IF REMOVED THEY NEED

TO BE STORED ON SITE AND REINSTALLED AT THE CONCLUSION OF THE JOB

EXISTING FLOOR BOX TO REMAIN UNALTERED. PROTECT DURING CONSTRUCTION(E)

XXX-A

FOOTPRINT OF NEW WALL

EXISTING FCU AND ASSOCIATED PIPING CABINET TO REMAIN AS IS. PROTECT DURING

CONSTRUCTION PRIOR TO REFINISHING

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USEDCAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED

AD101

EXISTING, DEMOLITION AND PROTECTION

OF

R

EV

IS

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N N

O

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AP

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SC

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MARK DATE DESCRIPTION

AGF

CE

RT

IFI

CA

TIO

NS

SHEET SIZE:

SHEET

DISCIPLINE SHEET TYPE SEQUENCE

DRAWING NO.

DRAWING TITLE

FILE NAME

CHECKED BY

DRAWN BY DATE DRAFTED:

PROJECT NO.

GSA PM

SUB. DATE

SUBMISSION

DESCRIPTION

PROJECT

TITLE

BUILDING NOs.

OTHER

BUILDING NO.

CITY/ST./ZIP

STREET

NAME

DR

AW

IN

G

PR

OJ

EC

T

BU

ILD

IN

G

SUB A/E

PRIME A/E

CONS. CONTR.

A/E CON. NO.

CO

NT

RA

CT

OR

S

FLOOR NO.

FACILITY CODE

PROJECT

A/E TASK NO.

CONS. WORK

24 x 36

DC-

1 2 3 4 5

A

B

C

D

WASHINGTON, DC

MERIDIEN GROUP / CITADEL DCA

LSP

MERIDIEN GROUP, LLC

208 SOUTH KING ST. SUITE 303

LEESBURG, VA 20175

(703) 777-8285 www.meridiengroupllc.com

BARBARA CHOATE

04/14/2026

2ND FLOOR

MT2453_26_004

28 APRIL 2026

100% SUBMISSION FOR REVIEW

FEDERAL OFFICE BUILDING

N

KE

Y

PL

AN

1 2 3 4 5

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED

RENOVATION OF SECOND FLOOR SUITE

MT 2453 OFFICE RENOVATION

NO

RT

H

PROJECT LOCATION

NORTH COURTYARD

EXISTING & DEMOLITIOM FLOOR PLANA-1

1/4" = 1'-0"

1. CONTRACTOR TO VERIFY EXISTING CONDITIONS BEFORE STARTING. NO FORENSIC DEMOLITION WAS

CONDUCTED AT THE TIME OF THE SURVEY. DISCREPANCIES MIGHT BE ENCOUNTERED BETWEEN

ACTUAL CONDITIONS AND DRAWINGS. INFORM COR PRIOR TO PROCEEDING w/ WORK

2. IN CASE OF CONFLICTS BETWEEN PLANS, KEY NOTES, SECTIONS, DETAILS AND SPECIFICATIONS, THE

MOST STRINGENT REQUIREMENT APPLIES

3. ALL DIMENSIONS ARE GIVEN FROM FINISH WALL OR PARTITION TO FINISH WALL OR PARTITION

4. ALL WORK PROVIDED UNDER THIS CONTRACT SHALL BE NEW UNLESS SPECIFICALLY MARKED

"EXISTING," "EXTG", OR "(E)"

5. BEST PRACTICES, METHODS AND MATERIALS, MUST BE FOLLOWED AT ALL TIMES. ANY ITEM NOT

SPECIFICALLY LISTED OR SHOWN ON THE CONTRACT DOCUMENTS BUT NECESSARY FOR THE

COMPLETION OF THE PROJECT, SHALL BE CONSIDERED PART OF THE CONTRACT'S SCOPE OF WORK

6. THE CONTRACTOR SHALL CLEAN UP ALL ACTIVE WORK AREAS AFTER EACH DAY’S WORK. THE CONTRACTOR IS RESPONSIBLE FOR THE REMOVAL AND PROPER DISPOSAL OF ALL WORK RELATED

TRASH AND DEBRIS

7. PROTECT ALL GOVERNMENT PROPERTY ENCOUNTERED AT THE JOB SITE AGAINST DAMAGE. ALL DAMAGES CAUSED BY THE CONTRACTOR SHALL BE REPAIRED OR REPLACED TO MATCH EXISTING AND

TO THE SATISFACTION AND APPROVAL OF THE COR

8. AREA OF WORK MUST BE ISOLATED FROM THE REST OF ADJACENT AREAS. PROTECT ALL SURFACES, EQUIPMENT& FURNITURE PRIOR TO START OF WORK.

9. REMOVE ALL HVAC COVERS AS NEEDED. SEAL EXPOSED DUCTS AND VENTS TO PREVENT INTRODU- CING DUST INTO THE SYSTEM. (REMOVED COVERS MUST BE REINSTALLED AT END OF THE JOB)

10. PROTECT ALL HISTORIC FABRIC DURING DEMOLITION AND CONSTRUCTION.

11. DO NOT REMOVE HISTORIC FABRIC UNLESS SPECIFICALLY NOTED ON DOCUMENTS. ANY HISTORIC

FABRIC REMOVED MUST BE RETURNED TO COR. DO NOT DISPOSE.

EXISTING AND DEMOLITION FLOOR PANEL SYSTEMA-3

1/4" = 1'-0"

GENERAL NOTES SYMBOLS LEGENDDEMOLITION & PROTECTION NOTES

1/4" =1'-0" 6"

12"36" 1' 2' 3' 4'

30"

5' 6' 7' 8'

18"

24"

KEY NOTES

NOT IN THE SCOPE OF WORK

1 3

4 5

(E) EXISTING FLOOR BOX AND FLOOR PANEL TO BE RELOCATED

6 6

DUE TO THE PRESENCE OF CARPET, THE FLOOR PANEL SYSTEM HAS NOT BEEN SURVEYED. THESE DRAWINGS REPRESENT ONLY AN APPROXIMATION OF THE EXISTING CONDITIONS, THUS ADJUSTMENTS WILL BE NECESSARY. THE ARCHITECT WILL SURVEY THE FLOOR ONCE CARPET HAS BEEN REMOVE

2453 E

OFFICE

OFFICE

ELECTRICAL

CLOSET

201CL

202CL

203CL

204CL

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USEDCAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED

AD102

04 OF

R

EV

IS

IO

N N

O

TE

S

GR

AP

HI

C

SC

AL

E

MARK DATE DESCRIPTION

AGF

CE

RT

IFI

CA

TIO

NS

SHEET SIZE:

SHEET

DISCIPLINE SHEET TYPE SEQUENCE

DRAWING NO.

DRAWING TITLE

FILE NAME

CHECKED BY

DRAWN BY DATE DRAFTED:

PROJECT NO.

GSA PM

SUB. DATE

SUBMISSION

DESCRIPTION

PROJECT

TITLE

BUILDING NOs.

OTHER

BUILDING NO.

CITY/ST./ZIP

STREET

NAME

DR

AW

IN

G

PR

OJ

EC

T

BU

ILD

IN

G

SUB A/E

PRIME A/E

CONS. CONTR.

A/E CON. NO.

CO

NT

RA

CT

OR

S

FLOOR NO.

FACILITY CODE

PROJECT

A/E TASK NO.

CONS. WORK

24 x 36

DC-

1 2 3 4 5

A

B

C

D

WASHINGTON, DC

MERIDIEN GROUP / CITADEL DCA

LSP

MERIDIEN GROUP, LLC

208 SOUTH KING ST. SUITE 303

LEESBURG, VA 20175

(703) 777-8285 www.meridiengroupllc.com

BARBARA CHOATE

04/14/2026

2ND FLOOR

MT2453_26_004

28 APRIL 2026

100% SUBMISSION FOR REVIEW

FEDERAL OFFICE BUILDING

N

KE

Y

PL

AN

1 2 3 4 5

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED

RENOVATION OF SECOND FLOOR SUITE

MT 2453 OFFICE RENOVATION

NO

RT

H

PROJECT LOCATION

NORTH COURTYARD

A-1

1. CONTRACTOR TO VERIFY EXISTING CONDITIONS BEFORE STARTING. NO FORENSIC DEMOLITION WAS

CONDUCTED AT THE TIME OF THE SURVEY. DISCREPANCIES MIGHT BE ENCOUNTERED BETWEEN

ACTUAL CONDITIONS AND DRAWINGS. INFORM COR PRIOR TO PROCEEDING w/ WORK

2. IN CASE OF CONFLICTS BETWEEN PLANS, KEY NOTES, SECTIONS, DETAILS AND SPECIFICATIONS, THE

MOST STRINGENT REQUIREMENT APPLIES

3. ALL DIMENSIONS ARE GIVEN FROM FINISH WALL OR PARTITION TO FINISH WALL OR PARTITION

4. ALL WORK PROVIDED UNDER THIS CONTRACT SHALL BE NEW UNLESS SPECIFICALLY MARKED

"EXISTING," "EXTG", OR "(E)"

5. BEST PRACTICES, METHODS AND MATERIALS, MUST BE FOLLOWED AT ALL TIMES. ANY ITEM NOT

SPECIFICALLY LISTED OR SHOWN ON THE CONTRACT DOCUMENTS BUT NECESSARY FOR THE

COMPLETION OF THE PROJECT, SHALL BE CONSIDERED PART OF THE CONTRACT'S SCOPE OF WORK

6. THE CONTRACTOR SHALL CLEAN UP ALL ACTIVE WORK AREAS AFTER EACH DAY’S WORK. THE CONTRACTOR IS RESPONSIBLE FOR THE REMOVAL AND PROPER DISPOSAL OF ALL WORK RELATED

TRASH AND DEBRIS

7. PROTECT ALL GOVERNMENT PROPERTY ENCOUNTERED AT THE JOB SITE AGAINST DAMAGE. ALL DAMAGES CAUSED BY THE CONTRACTOR SHALL BE REPAIRED OR REPLACED TO MATCH EXISTING AND

TO THE SATISFACTION AND APPROVAL OF THE COR

8. AREA OF WORK MUST BE ISOLATED FROM THE REST OF ADJACENT AREAS. PROTECT ALL SURFACES, EQUIPMENT& FURNITURE PRIOR TO START OF WORK.

9. REMOVE ALL HVAC COVERS AS NEEDED. SEAL EXPOSED DUCTS AND VENTS TO PREVENT INTRODU- CING DUST INTO THE SYSTEM. (REMOVED COVERS MUST BE REINSTALLED AT END OF THE JOB)

10. PROTECT ALL HISTORIC FABRIC DURING DEMOLITION AND CONSTRUCTION.

11. DO NOT REMOVE HISTORIC FABRIC UNLESS SPECIFICALLY NOTED ON DOCUMENTS. ANY HISTORIC

FABRIC REMOVED MUST BE RETURNED TO COR. DO NOT DISPOSE.

GENERAL NOTES SYMBOLS LEGENDDEMOLITION NOTES

1/4" =1'-0" 6"

12"36" 1' 2' 3' 4'

30"

5' 6' 7' 8'

18"

24"

EXISTING WALLS TO REMAIN

EXISTING DOORS TO BE REMOVED

PORTION OF WALL TO BE REMOVED

FOOTPRINT OF NEW WALL

EXISTING HISTORIC VAULTED, PLASTER CEILING TO REMAIN UNALTERED.

PROTECT DURING CONSTRUCTION

EXISTING PENDANT LIGHT FIXTURE TO REMAIN AS IS. PROTECT DURING CONSTRUCTION

EXISTING SPRINKLER HEAD TO REMAIN UNALTERED

NOT IN THE SCOPE OF WORK

EXISTING, DEMOLITION AND PROTECTION RCP

HISTORIC PLASTER CEILING TO REMAIN UNALTERED. NEW WALLS SHOULD BE BUILD AS PER WALL

SECTION TO AVOID DAMAGING THE HISTORIC FABRIC.

HISTORIC CROWN MOLDING TO REMAIN. NEW WALLS SHOULD BE BUILD AS PER WALL SECTION TO

AVOID DAMAGING THE HISTORIC ELEMENTS.

HISTORIC VAULT RIBS TO REMAIN UNALTERED. NEW WALLS SHOULD BE BUILD AS PER WALL SECTION

TO AVOID DAMAGING THE HISTORIC FABRIC.

EXISTING LIGHTING TO REMAIN. PROTECT DURING CONSTRUCTION

EXISTING SPRINKLER HEADS TO REMAIN. PROTECT DURING CONSTRUCTION

KEY / PROTECTION NOTES

TYPICAL EXISTING LIGHT FIXTURE

HISTORIC VAULT RIB TO

REMAIN UNALTERED. TYPICAL

HISTORIC ORIGINAL CROWN MOLDING

TO REMAIN UNALTERED. TYPICAL

HISTORIC VAULTED PLASTER CEILING

TO REMAIN UNALTERED. TYPICAL

VAULT 4 VAULT 5

PLASTER DAMAGE

VAULT 5

HISTORIC VAULTED PLASTER CEILING

TO REMAIN UNALTERED. TYPICAL

HISTORIC VAULT RIB TO

REMAIN UNALTERED. TYPICAL

CAST IRON WINDOW

FRAME AND CASING. TYPICAL

HISTORIC ORIGINAL CROWN MOLDING

TO REMAIN UNALTERED. TYPICAL

WALL WITH CLERESTORY

WINDOWS TO BE DEMOLISHED

EXTERIOR MASONRY TO REMAIN UNALTERED.

PREP AND REFINISH TYPICAL

1 AS WALL / PARTITION IS REMOVED, ENSURE THAT PLASTER CEILING IS TREATED WITH OUTMOST CARE, AND NO DAMAGE IS INFLICTED TO CEILING, DECORATIVE VAULT RIBS, OR CROWN MOLDING IN THE PROCESS. IF ANY PORTION OF A DECORATIVE ELEMENT IS BROKEN, DO NOT DISPOSE, PORTION MUST

REMAIN ON SITE UNTIL ARCHITECT INSPECTS DAMAGE.

PLASTER DAMAGE TO BE REPAIRED AS INDICATED ON A-102

EXISTING CROWN MOLDING AFFECTED BY THE REMOVAL OF THE PARTITION TO BE RESTORED AS

INDICATED ON A-102

EXISTING SPRINKLER HEAD. TYPICAL 5

455 4

EXISTING AND DEMOLITION REFLECTED CEILING PLAN (RCP)

1/4" = 1'-0"

OPEN 0FFICE

EXISTING CEILING STRUCTURE

0FFICE

4' -2

" V .I.

F.

2453E

OPEN 0FFICE

2453-A2449-A

VAULT

CL

VAULT

CL

VAULT

CL

VAULT

CL

VAULT

CL

VAULT

CL

VAULT

CL

VAULT

CL

2453-E

EQEQEQ

GENERAL NOTES

06"12"18" 1' 2' 3' 4'

3"9"15"

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED

AD201

EXISTING AND DEOLITION

OF

R

EV

IS

IO

N N

O

TE

S

GR

AP

HI

C

SC

AL

E

MARK DATE DESCRIPTION

AGF

CE

RT

IFI

CA

TIO

NS

SHEET SIZE:

SHEET

DISCIPLINE SHEET TYPE SEQUENCE

DRAWING NO.

DRAWING TITLE

FILE NAME

CHECKED BY

DRAWN BY DATE DRAFTED:

PROJECT NO.

GSA PM

SUB. DATE

SUBMISSION

DESCRIPTION

PROJECT

TITLE

BUILDING NOs.

OTHER

BUILDING NO.

CITY/ST./ZIP

STREET

NAME

DR

AW

IN

G

PR

OJ

EC

T

BU

ILD

IN

G

SUB A/E

PRIME A/E

CONS. CONTR.

A/E CON. NO.

CO

NT

RA

CT

OR

S

FLOOR NO.

FACILITY CODE

PROJECT

A/E TASK NO.

CONS. WORK

24 x 36

DC-

1 2 3 4 5

A

B

C

D

WASHINGTON, DC

MERIDIEN GROUP / CITADEL DCA

LSP

MERIDIEN GROUP, LLC

208 SOUTH KING ST. SUITE 303

LEESBURG, VA 20175

(703) 777-8285 www.meridiengroupllc.com

BARBARA CHOATE

04/14/2026

2ND FLOOR

MT2453_26_004

28 APRIL 2026

100% SUBMISSION FOR REVIEW

FEDERAL OFFICE BUILDING

N

KE

Y

PL

AN

1 2 3 4 5

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED

RENOVATION OF SECOND FLOOR SUITE

MT 2453 OFFICE RENOVATION

NO

RT

H

PROJECT LOCATION

NORTH COURTYARD

1. CONTRACTOR TO VERIFY EXISTING CONDITIONS BEFORE STARTING. NO FORENSIC DEMOLITION WAS

CONDUCTED AT THE TIME OF THE SURVEY. DISCREPANCIES MIGHT BE ENCOUNTERED BETWEEN

ACTUAL CONDITIONS AND DRAWINGS. INFORM COR PRIOR TO PROCEEDING w/ WORK

2. IN CASE OF CONFLICTS BETWEEN PLANS, KEY NOTES, SECTIONS, DETAILS AND SPECIFICATIONS, THE MOST

STRINGENT REQUIREMENT APPLIES

3. ALL DIMENSIONS ARE GIVEN FROM FINISH WALL OR PARTITION TO FINISH WALL OR PARTITION

4. ALL WORK PROVIDED UNDER THIS CONTRACT SHALL BE NEW UNLESS SPECIFICALLY MARKED "EXISTING,"

"EXTG", OR "(E)"

5. BEST PRACTICES, METHODS AND MATERIALS, MUST BE FOLLOWED AT ALL TIMES. ANY ITEM NOT SPECIFICALLY LISTED OR SHOWN ON THE CONTRACT DOCUMENTS BUT NECESSARY FOR THE COMPLETION OF THE

PROJECT, SHALL BE CONSIDERED PART OF THE CONTRACT'S SCOPE OF WORK

6. THE G.C. SHALL CLEAN UP ALL ACTIVE WORK AREAS AFTER EACH DAY’S WORK. THE G.C. IS RESPONSIBLE

FOR THE REMOVAL AND PROPER DISPOSAL OF ALL WORK RELATED TRASH AND DEBRIS

7. PROTECT ALL GOVERNMENT PROPERTY ENCOUNTERED AT THE JOB SITE AGAINST DAMAGE. ALL DAMAGES CAUSED BY THE CONTRACTOR SHALL BE REPAIRED OR REPLACED TO MATCH EXISTING AND TO THE

SATISFACTION AND APPROVAL OF THE COR

8. AREA OF WORK MUST BE ISOLATED FROM THE REST OF ADJACENT AREAS. PROTECT ALL SURFACES, EQUIP-

MENT& FURNITURE PRIOR TO START OF WORK.

9. REMOVE ALL HVAC COVERS AS NEEDED. SEAL EXPOSED DUCTS AND VENTS TO PREVENT INTRODUCING DUST

DUST INTO THE SYSTEM. (REMOVED COVERS MUST BE REINSTALLED AT END OF THE JOB)

10. PROTECT ALL HISTORIC FABRIC DURING DEMOLITION AND CONSTRUCTION.

11. DO NOT REMOVE HISTORIC FABRIC UNLESS SPECIFICALLY NOTED ON DOCUMENTS. ANY HISTORIC FABRIC

REMOVED MUST BE RETURNED TO COR. DO NOT DISPOSE.

EXISTING ORIGINAL MASONRY WALL AND BASEBOARD TO REMAIN UNALTERED. PROTECT DURING

CONSTRUCTION PRIOR TO ITS PREP FOR REFINISHING

EXISTING LIGHT FIXTURES AND FIRE SUPPRESSION SYSTEM TO REMAIN UNALTERED. PROTECT DURING

CONSTRUCTION PRIOR TO ITS PREP FOR REFINISHING

EXISTING NOT ORIGINAL WALL AND BASEBOARD TO REMAIN UNALTERED. PROTECT DURING

CONSTRUCTION PRIOR TO ITS PREP FOR REFINISHING

EXISTING ORIGINAL BUILT-IN BOOK CASE TO REMAIN UNALTERED. PROTECT DURING CONSTRUCTION

PRIOR TO ITS PREP FOR REFINISHING

EXISTING NON-ORIGINAL PARTITION W/ BASEBOARD AND CLERESTORY WINDOWS TO REMAIN

UNALTERED. PROTECT DURING CONSTRUCTION PRIOR TO ITS PREP FOR REFINISHING

EXISTING DOOR ASSEMBLY TO REMAIN. DO NOT ALTER AND PROTECT DURING CONSTRUCTION PRIOR

TO ITS PREP FOR REFINISHING

ORIGINAL HISTORIC VAULTED PLASTER CEILING, CROWN MOLDING AND CEILING RIB MOLDING TO REMAIN UNALTERED. NEW PARTITIONS SHOULD BE BUILD AS PER WALL SECTIONS TO AVOID DAMAGING THE HISTORIC ELEMENTS. HISTORIC PLASTER MOLDINGS MUST NOT BE CUT OR ALTERED IN ANY

MANNER

LEGEND

1/2" = 1' - 0"

1 ERECT ZIP WALLS OR EQUIVALENT FROM TATE FLOOR SYSTEM TO HISTORIC CEILING TO ENCLOSE PROJECT

AREA

EXISTING NON-ORIGINAL PARTITION W/ BASEBOARD AND CLERESTORY WINDOWS TO BE REMOVED

EXISTING 2-PANEL DOOR W/ FLAT CASING TO BE REMOVED. DISPOSE OF CASING AND RETURN HARDWARE

TO COR.

NOTE: IF DOOR ASSEMBLY (DOOR LEAF + FRAME) IS IN GOOD CONDITION AND IT IS APPROVED BY TREASURY'S COR, KEEP THE ASSEMBLY ON SITE DOOR TO BE REUSED AT NEW OFFICE LOCATION.

EXISTING MILLWORK AND CROWN MOLDING AFFECTED BY THE REMOVAL OF THE PARTITION TO BE RESTORED

DEMOLISH EXISTING CARPET FROM PROJECT AREA. REMOVE GLUE AND CLEAN FLOOR SYSTEM PANELS AS NEEDED. STORE PANELS AND CARPET ON SITE AND REINSTALL ALTERED AT THE COMPLETION OF THE JOB.

EXISTING DOOR ASSEMBLY TO REMAIN. DO NOT ALTER AND PROTECT DURING CONSTRUCTION

EXISTING FCU TO REMAIN. COVER DURING CONSTRUCTION TO PREVENT DUST FROM ENTERING THE VENTS

EXISTING FCU MILLWORK TO REMAIN UNALTERED. DO NOT ALTER AND PROTECT DURING CONSTRUCTION

PRIOR TO ITS PREP FOR REFINISHING

EXISTING FLOOR SYSTEM AND ELECTRICAL BOXES TO REMAIN UNALTERED. PROTECT FLOOR BOXES DURING

CONSTRUCTION

DEMOLITION & PROTECTION NOTES

NO

RT

H

C-1 1/2" = 1'-0"

EXISTING & DEMOLITION : SECTION 2 - 2A-1

1/2" = 1'-0"

EXISTING & DEMOLITION : SECTION 1 - 1

1 1

6 6

11 11

11 11 11 11

10 12

TYP

16 16

EXISTING CEILING STRUCTURE

0FFICE

4' -2

" V .I.

F.

2453E

OPEN 0FFICE

CL

CL

CL

CL

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

CLCL CL CL

2453-E

06"12"18" 1' 2' 3' 4'

3"9"15"

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED

AD202

EXISTING AND DEOLITION

OF

R

EV

IS

IO

N N

O

TE

S

GR

AP

HI

C

SC

AL

E

MARK DATE DESCRIPTION

AGF

CE

RT

IFI

CA

TIO

NS

SHEET SIZE:

SHEET

DISCIPLINE SHEET TYPE SEQUENCE

DRAWING NO.

DRAWING TITLE

FILE NAME

CHECKED BY

DRAWN BY DATE DRAFTED:

PROJECT NO.

GSA PM

SUB. DATE

SUBMISSION

DESCRIPTION

PROJECT

TITLE

BUILDING NOs.

OTHER

BUILDING NO.

CITY/ST./ZIP

STREET

NAME

DR

AW

IN

G

PR

OJ

EC

T

BU

ILD

IN

G

SUB A/E

PRIME A/E

CONS. CONTR.

A/E CON. NO.

CO

NT

RA

CT

OR

S

FLOOR NO.

FACILITY CODE

PROJECT

A/E TASK NO.

CONS. WORK

24 x 36

DC-

1 2 3 4 5

A

B

C

D

WASHINGTON, DC

MERIDIEN GROUP / CITADEL DCA

LSP

MERIDIEN GROUP, LLC

208 SOUTH KING ST. SUITE 303

LEESBURG, VA 20175

(703) 777-8285 www.meridiengroupllc.com

BARBARA CHOATE

04/14/2026

2ND FLOOR

MT2453_26_004

28 APRIL 2026

100% SUBMISSION FOR REVIEW

FEDERAL OFFICE BUILDING

N

KE

Y

PL

AN

1 2 3 4 5

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED

RENOVATION OF SECOND FLOOR SUITE

MT 2453 OFFICE RENOVATION

NO

RT

H

PROJECT LOCATION

NORTH COURTYARD

1/2" = 1' - 0"

GENERAL NOTES

1. CONTRACTOR TO VERIFY EXISTING CONDITIONS BEFORE STARTING. NO FORENSIC DEMOLITION WAS

CONDUCTED AT THE TIME OF THE SURVEY. DISCREPANCIES MIGHT BE ENCOUNTERED BETWEEN

ACTUAL CONDITIONS AND DRAWINGS. INFORM COR PRIOR TO PROCEEDING w/ WORK

2. IN CASE OF CONFLICTS BETWEEN PLANS, KEY NOTES, SECTIONS, DETAILS AND SPECIFICATIONS, THE MOST

STRINGENT REQUIREMENT APPLIES

3. ALL DIMENSIONS ARE GIVEN FROM FINISH WALL OR PARTITION TO FINISH WALL OR PARTITION

4. ALL WORK PROVIDED UNDER THIS CONTRACT SHALL BE NEW UNLESS SPECIFICALLY MARKED "EXISTING,"

"EXTG", OR "(E)"

5. BEST PRACTICES, METHODS AND MATERIALS, MUST BE FOLLOWED AT ALL TIMES. ANY ITEM NOT SPECIFICALLY LISTED OR SHOWN ON THE CONTRACT DOCUMENTS BUT NECESSARY FOR THE COMPLETION OF THE

PROJECT, SHALL BE CONSIDERED PART OF THE CONTRACT'S SCOPE OF WORK

6. THE G.C. SHALL CLEAN UP ALL ACTIVE WORK AREAS AFTER EACH DAY’S WORK. THE G.C. IS RESPONSIBLE

FOR THE REMOVAL AND PROPER DISPOSAL OF ALL WORK RELATED TRASH AND DEBRIS

7. PROTECT ALL GOVERNMENT PROPERTY ENCOUNTERED AT THE JOB SITE AGAINST DAMAGE. ALL DAMAGES CAUSED BY THE CONTRACTOR SHALL BE REPAIRED OR REPLACED TO MATCH EXISTING AND TO THE

SATISFACTION AND APPROVAL OF THE COR

8. AREA OF WORK MUST BE ISOLATED FROM THE REST OF ADJACENT AREAS. PROTECT ALL SURFACES, EQUIP-

MENT& FURNITURE PRIOR TO START OF WORK.

9. REMOVE ALL HVAC COVERS AS NEEDED. SEAL EXPOSED DUCTS AND VENTS TO PREVENT INTRODUCING DUST

DUST INTO THE SYSTEM. (REMOVED COVERS MUST BE REINSTALLED AT END OF THE JOB)

10. PROTECT ALL HISTORIC FABRIC DURING DEMOLITION AND CONSTRUCTION.

11. DO NOT REMOVE HISTORIC FABRIC UNLESS SPECIFICALLY NOTED ON DOCUMENTS. ANY HISTORIC FABRIC

REMOVED MUST BE RETURNED TO COR. DO NOT DISPOSE.

LEGEND

DEMOLITION & PROTECTION NOTES

NO

RT

H

C-1 1/2" = 1'-0"

EXISTING & DEMOLITION : SECTION 4 - 4A-1

1/2" = 1'-0"

EXISTING & DEMOLITION : SECTION 3 - 3

3 3

EXISTING ORIGINAL MASONRY WALL AND BASEBOARD TO REMAIN UNALTERED. PROTECT DURING

CONSTRUCTION PRIOR TO ITS PREP FOR REFINISHING

EXISTING LIGHT FIXTURES AND FIRE SUPPRESSION SYSTEM TO REMAIN UNALTERED. PROTECT DURING

CONSTRUCTION PRIOR TO ITS PREP FOR REFINISHING

EXISTING NOT ORIGINAL WALL AND BASEBOARD TO REMAIN UNALTERED. PROTECT DURING

CONSTRUCTION PRIOR TO ITS PREP FOR REFINISHING

EXISTING NON-ORIGINAL PANELED PARTITION W/ BASEBOARD TO REMAIN UNALTERED. PROTECT DURING

CONSTRUCTION PRIOR TO ITS PREP FOR REFINISHING

EXISTING NON-ORIGINAL PARTITION W/ BASEBOARD AND CLERESTORY WINDOWS TO REMAIN

UNALTERED. PROTECT DURING CONSTRUCTION PRIOR TO ITS PREP FOR REFINISHING

EXISTING DOOR ASSEMBLY TO REMAIN. DO NOT ALTER AND PROTECT DURING CONSTRUCTION PRIOR

TO ITS PREP FOR REFINISHING

ORIGINAL HISTORIC VAULTED PLASTER CEILING, CROWN MOLDING AND CEILING RIB MOLDING TO REMAIN UNALTERED. NEW PARTITIONS SHOULD BE BUILD AS PER WALL SECTIONS TO AVOID DAMAGING

THE HISTORIC ELEMENTS. HISTORIC PLASTER MOLDINGS MUST NOT BE CUT OR ALTERED

EXISTING ORIGINAL BUILT-IN BOOK CASE TO REMAIN UNALTERED. PROTECT DURING CONSTRUCTION

PRIOR TO REFINISHING

1 ERECT ZIP WALLS OR EQUIVALENT FROM TATE FLOOR SYSTEM TO HISTORIC CEILING TO ENCLOSE PROJECT

AREA (NOT DEPICTED ON THIS DRAWING)

EXISTING NON-ORIGINAL PARTITION W/ BASEBOARD AND CLERESTORY WINDOWS TO BE REMOVED

EXISTING 2-PANEL DOOR W/ FLAT CASING TO BE REMOVED. DISPOSE OF CASING AND RETURN HARDWARE

TO COR.

NOTE: IF DOOR ASSEMBLY (DOOR LEAF + FRAME) IS IN GOOD CONDITION AND IT IS APPROVED BY TREASURY'S COR, KEEP THE ASSEMBLY ON SITE DOOR TO BE REUSED AT NEW OFFICE LOCATION.

EXISTING MILLWORK AND CROWN MOLDING AFFECTED BY THE REMOVAL OF THE PARTITION TO BE RESTORED

DEMOLISH EXISTING CARPET FROM PROJECT AREA. REMOVE GLUE AND CLEAN FLOOR SYSTEM PANELS AS NEEDED. STORE PANELS AND CARPET ON SITE AND REINSTALL ALTERED AT THE COMPLETION OF THE JOB.

EXISTING WINDOW WITH ORIGINAL CAST IRON SURROUND TO REMAIN UNALTERED. PROTECT DURING

CONSTRUCTION PRIOR TO ITS PREP FOR REFINISHING THE SURROUND AND SILL

EXISTING FCU TO REMAIN. COVER DURING CONSTRUCTION TO PREVENT DUST FROM ENTERING THE VENTS

EXISTING FCU MILLWORK TO REMAIN UNALTERED. DO NOT ALTER AND PROTECT DURING CONSTRUCTION

PRIOR TO ITS PREP FOR REFINISHING

EXISTING FLOOR SYSTEM AND ELECTRICAL BOXES TO REMAIN UNALTERED. PROTECT FLOOR BOXES DURING

CONSTRUCTION

11 11 11 11

10 10

7 87 8 8 8 8 87 8 7 8

6 6 6 6

TYP

2457A

-E

3'-2" R.O.

ELECTRICAL

CLOSET

2453E

OFFICE

OFFICE

ELEV 0'- (± 6")

ELEV 0'- (± 6" VIF)

11" 7'-4"

3'-0"

5' -1

0"

1' -9

6'-6"

201CL

202CL

203CL

204CL

19'-01 4"

V.I.F.

S

2457A

-E

ELECTRICAL

CLOSET

201CL

202CL

203CL

204CL

2453 E

OFFICE

OFFICE

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USEDCAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED

A-101

NEW WORK

OF

R

EV

IS

IO

N N

O

TE

S

GR

AP

HI

C

SC

AL

E

MARK DATE DESCRIPTION

AGF

CE

RT

IFI

CA

TIO

NS

SHEET SIZE:

SHEET

DISCIPLINE SHEET TYPE SEQUENCE

DRAWING NO.

DRAWING TITLE

FILE NAME

CHECKED BY

DRAWN BY DATE DRAFTED:

PROJECT NO.

GSA PM

SUB. DATE

SUBMISSION

DESCRIPTION

PROJECT

TITLE

BUILDING NOs.

OTHER

BUILDING NO.

CITY/ST./ZIP

STREET

NAME

DR

AW

IN

G

PR

OJ

EC

T

BU

ILD

IN

G

SUB A/E

PRIME A/E

CONS. CONTR.

A/E CON. NO.

CO

NT

RA

CT

OR

S

FLOOR NO.

FACILITY CODE

PROJECT

A/E TASK NO.

CONS. WORK

24 x 36

DC-

1 2 3 4 5

A

B

C

D

WASHINGTON, DC

MERIDIEN GROUP / CITADEL DCA

LSP

MERIDIEN GROUP, LLC

208 SOUTH KING ST. SUITE 303

LEESBURG, VA 20175

(703) 777-8285 www.meridiengroupllc.com

BARBARA CHOATE

100% SUBMISSION FOR REVIEW

KE

Y

PL

AN

1 2 3 4 5

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED

04/14/2026

2ND FLOOR

MT2453_26_004

28 APRIL 2026

FEDERAL OFFICE BUILDING

RENOVATION OF SECOND FLOOR SUITE

MT 2453 OFFICE RENOVATION

N

NO

RT

H

PROJECT LOCATION

NORTH COURTYARD

NEW WALL AS PER WALL TYPE

EXISTING WALL TO REMAIN

NEW DOOR ASSEMBLYX-

XX

X

EXISTING DOOR ASSEMBLY WITHIN THE AREA

OF WORK TO REMAIN

X-XXX

DOOR NUMBER

EXISTING DOOR ASSEMBLY OUTSIDE THE AREA

OF WORK TO REMAIN

A-1 1/4" = 1'-0"

1. CONTRACTOR TO VERIFY EXISTING CONDITIONS BEFORE STARTING. NO FORENSIC DEMOLITION WAS

CONDUCTED AT THE TIME OF THE SURVEY. DISCREPANCIES MIGHT BE ENCOUNTERED BETWEEN

ACTUAL CONDITIONS AND DRAWINGS. INFORM COR PRIOR TO PROCEEDING w/ WORK

2. IN CASE OF CONFLICTS BETWEEN PLANS, KEY NOTES, SECTIONS, DETAILS AND SPECIFICATIONS, THE

MOST STRINGENT REQUIREMENT APPLIES

3. ALL DIMENSIONS ARE GIVEN FROM FINISH WALL OR PARTITION TO FINISH WALL OR PARTITION

4. ALL WORK PROVIDED UNDER THIS CONTRACT SHALL BE NEW UNLESS SPECIFICALLY MARKED

"EXISTING," "EXTG", OR "(E)"

5. BEST PRACTICES, METHODS AND MATERIALS, MUST BE FOLLOWED AT ALL TIMES. ANY ITEM NOT

SPECIFICALLY LISTED OR SHOWN ON THE CONTRACT DOCUMENTS BUT NECESSARY FOR THE

COMPLETION OF THE PROJECT, SHALL BE CONSIDERED PART OF THE CONTRACT'S SCOPE OF WORK

6. THE CONTRACTOR SHALL CLEAN UP ALL ACTIVE WORK AREAS AFTER EACH DAY’S WORK. THE CONTRACTOR IS RESPONSIBLE FOR THE REMOVAL AND PROPER DISPOSAL OF ALL WORK RELATED

TRASH AND DEBRIS

7. PROTECT ALL GOVERNMENT PROPERTY ENCOUNTERED AT THE JOB SITE AGAINST DAMAGE. ALL DAMAGES CAUSED BY THE CONTRACTOR SHALL BE REPAIRED OR REPLACED TO MATCH EXISTING AND

TO THE SATISFACTION AND APPROVAL OF THE COR

8. AREA OF WORK MUST BE ISOLATED FROM THE REST OF ADJACENT AREAS. PROTECT ALL SURFACES, EQUIPMENT& FURNITURE PRIOR TO START OF WORK.

9. REMOVE ALL HVAC COVERS AS NEEDED. SEAL EXPOSED DUCTS AND VENTS TO PREVENT INTRODU- CING DUST INTO THE SYSTEM. (REMOVED COVERS MUST BE REINSTALLED AT END OF THE JOB)

10. PROTECT ALL HISTORIC FABRIC DURING DEMOLITION AND CONSTRUCTION.

11. DO NOT REMOVE HISTORIC FABRIC UNLESS SPECIFICALLY NOTED ON DOCUMENTS. ANY HISTORIC

FABRIC REMOVED MUST BE RETURNED TO COR. DO NOT DISPOSE.

A-3 1/4" = 1'-0"

GENERAL NOTES SYMBOLS LEGEND

EXISTING FCU AND ASSOCIATED PIPING CABINET TO REMAIN AS IS. PROTECT DURING

CONSTRUCTION PRIOR TO REFINISHING

NOT IN THE SCOPE OF WORK

KEY NOTES

NEW 4 7/8" PARTITION ( 3 5/8" 16 GA STEEL STUDS, 5/8" GWB EACH SIDE, & 3 1/2" BATT INSULATION) TO EXTEND FROM TOP OF TATE RAISED FLOOR TO HISTORIC PLASTER CEILING. SECTION UNDER THE FLOOR SYSTEM TO RECEIVE (2) LAYERS OF GWB EACH SIDE. SEE ROOM SECTIONS AND WALL TYPE. FINISHES AS

PER FINISHES SCHEDULE.

EXISTING MILLWORK TO REMAIN UNALTERED. PROTECT DURING CONSTRUCTION. FRAME NEW PARTITION AROUND MILLWORK AS PER SECTION AND FRAMING PLAN. DO NOT ALTER MILLWORK. REFINISH IN KIND

AS PER FINISHES SCHEDULE

REMOVE PORTION OF EXISTING NOT ORIGINAL BASEBOARD AS NEEDED TO INSTALL NEW PARTITION

WHERE THE NEW PARTITION IS ATTACHED TO EXISTING EXTERIOR MASONRY & PLASTER WALL INSTALL A

MOISTURE BARRIER THE WIDTH OF THE STUDS FULL HEIGHT

NEW DOOR ASSEMBLY CONSISTING OF A 2-PANEL DOOR LEAF & FLAT CASING PAINTED TO MATCH EXACTLY EXISTING DOOR ASSEMBLY 2453-E ( HEIGHT, PROFILE AND WIDTH OF CASING) HARDWARE WILL

DIFFER TO COMPLY WITH ADA. SEE DOOR AND HARDWARE SCHEDULE

NOTE: IF EXISTING DOOR 2453 E IS USABLE AND IT IS APPROVED BY TREASURY'S COR, REINSTALL EXISTING ASSEMBLY, LEAF AND FRAME, BUT INSTALL NEW HARDWARE AS PER SCHEDULE AND CASING

INSTALL NEW CARPET ON CLEAN FLOOR SYSTEM PANELS AS PER FINISHES SCHEDULE. FOLLOW THE

MANUFACTURER SPECIFICATIONS FOR INSTALLATION

EXISTING ORIGINAL MASONRY WALL AND BASEBOARD TO REMAIN UNALTERED. PROTECT DURING

CONSTRUCTION

EXISTING WINDOW WITH ORIGINAL CAST IRON SURROUND TO REMAIN UNALTERED. PROTECT DURING CONSTRUCTION. REFINISH CAST IRON SURROUND, JAMBS AND SILL AS PER FINISHES SCHEDULE (IN KIND)

HISTORIC CROWN MOLDING AND CEILING RIB MOLDING TO REMAIN. NEW PARTITIONS SHOULD BE BUILD AS PER WALL SECTIONS TO AVOID DAMAGING THE HISTORIC ELEMENTS. HISTORIC PLASTER MOLDINGS

MUST NOT BE CUT OR ALTERED IN ANY MANNER

EXISTING FCU TO REMAIN. COVER DURING CONSTRUCTION TO PREVENT DUST FROM ENTERING THE VENTS.

REFINISH MILLWORK WITHIN ROOM 2453-D AS PER FINISHES SCHEDULE (IN KIND)

NEW PARTITION TO RECEIVE 34" THICK STRAIGHT BASEBOARD (PAINTED) TO MATCH THE HEIGHT OF THE

FIRST STEP OF THE EXISTING, ORIGINAL BASEBOARD ON BOTH SIDES

PATCH AND PREP ENTIRE SPACE FOR NEW PAINT, ALL ELEMENTS THAT ARE CURRENTLY PAINTED INCLUDED (WALLS, CEILING, CROWN MOLDING, BASEBOARD, FCU CABINETS, WINDOWS, DOORS AND NICHE) REFINISH

ALL COMPONENTS AS PER FINISHES SCHEDULE

FOR PLASTER REPAIRS, FOLLOW RESTORATION GUIDELINES INCLUDED UNDER THE HEADING "PLASTER REPAIRS AND RESTORATION METHODS AND MATERIALS" ON A-102. DO NOT USE JOINT OR SPACKLING

COMPOUND.

DO NOT USE WOOD FILLERS NOT LABELED FOR THAT PURPOSE TO REPAIR HISTORIC AND NON-HISTORIC

ELEMENTS

NEW SYSTEMS FURNITURE BY TREASURY

INSTALL A FIRE ALARM DEVICE COMBINATION SPEAKER AND ADA STROBE DEVICE. WALL MOUNTED

CD= CANDELA RATING

1/4" =1'-0" 6"

12"36" 1' 2' 3' 4'

30"

5' 6' 7' 8'

18"

24"

14 NEW SYSTEMS FURNITURE BY TREASURY

NEW WORK | FLOOR PLAN NEW WORK | FLOOR PLAN WITH NEW FURNITURE

XXcd

COMBINATION SPEAKER AND ADA

STROBE DEVICE. WALL MOUNTED

CD= CANDELA RATING

201CL

202CL

203CL

204CL

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

VAULT

ELECTRICAL

CLOSET

2453 E

OFFICE

OFFICE

EXISTING HISTORIC VAULTED, PLASTER CEILING TO REMAIN UNALTERED.

PROTECT DURING CONSTRUCTION

EXISTING PENDANT LIGHT FIXTURE TO REMAIN AS IS. PROTECT DURING CONSTRUCTION

EXISTING SPRINKLER HEAD TO REMAIN UNALTERED

NOT IN THE SCOPE OF WORK

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USEDCAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED

A-102

NEW WORK RCP

OF

R

EV

IS

IO

N N

O

TE

S

GR

AP

HI

C

SC

AL

E

MARK DATE DESCRIPTION

AGF

CE

RT

IFI

CA

TIO

NS

SHEET SIZE:

SHEET

DISCIPLINE SHEET TYPE SEQUENCE

DRAWING NO.

DRAWING TITLE

FILE NAME

CHECKED BY

DRAWN BY DATE DRAFTED:

PROJECT NO.

GSA PM

SUB. DATE

SUBMISSION

DESCRIPTION

PROJECT

TITLE

BUILDING NOs.

OTHER

BUILDING NO.

CITY/ST./ZIP

STREET

NAME

DR

AW

IN

G

PR

OJ

EC

T

BU

ILD

IN

G

SUB A/E

PRIME A/E

CONS. CONTR.

A/E CON. NO.

CO

NT

RA

CT

OR

S

FLOOR NO.

FACILITY CODE

PROJECT

A/E TASK NO.

CONS. WORK

24 x 36

DC-

1 2 3 4 5

A

B

C

D

WASHINGTON, DC

MERIDIEN GROUP / CITADEL DCA

LSP

MERIDIEN GROUP, LLC

208 SOUTH KING ST. SUITE 303

LEESBURG, VA 20175

(703) 777-8285 www.meridiengroupllc.com

BARBARA CHOATE

100% SUBMISSION FOR REVIEW

KE

Y

PL

AN

1 2 3 4 5

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED

04/14/2026

2ND FLOOR

MT2453_26_004

28 APRIL 2026

FEDERAL OFFICE BUILDING

RENOVATION OF SECOND FLOOR SUITE

MT 2453 OFFICE RENOVATION

N

NO

RT

H

PROJECT LOCATION

NORTH COURTYARD

NEW WALL AS PER WALL TYPE

EXISTING WALL TO REMAIN

NEW WORK | REFLECTED CEILING PLANA-1

1/4" = 1'-0"

1. CONTRACTOR TO VERIFY EXISTING CONDITIONS BEFORE STARTING. NO FORENSIC DEMOLITION WAS

CONDUCTED AT THE TIME OF THE SURVEY. DISCREPANCIES MIGHT BE ENCOUNTERED BETWEEN

ACTUAL CONDITIONS AND DRAWINGS. INFORM COR PRIOR TO PROCEEDING w/ WORK

2. IN CASE OF CONFLICTS BETWEEN PLANS, KEY NOTES, SECTIONS, DETAILS AND SPECIFICATIONS, THE

MOST STRINGENT REQUIREMENT APPLIES

3. ALL DIMENSIONS ARE GIVEN FROM FINISH WALL OR PARTITION TO FINISH WALL OR PARTITION

4. ALL WORK PROVIDED UNDER THIS CONTRACT SHALL BE NEW UNLESS SPECIFICALLY MARKED

"EXISTING," "EXTG", OR "(E)"

5. BEST PRACTICES, METHODS AND MATERIALS, MUST BE FOLLOWED AT ALL TIMES. ANY ITEM NOT

SP…