G- 001

FEDERAL OFFICE BUILDING

DRAWING INDEX

GENERAL

ARCHITECTURAL

G-001 COVER SHEET 01 OF 11

G-002 NOTES, ABBREVIATIONS, AND SYMBOLS 02 OF 11

G-003 PHYSICAL AND TECHNICAL SECURITY STANDARDS 03 OF 11

AD 101 EXISTING & DEMOLITION FLOOR PLAN, FLOOR PANELS, AND RCP 04 OF 11

A-101 NEW WORK FLOOR PLAN 05 OF 11

A-301 WALL TYPE A AND HEADER DETAILS 06 OF 11

A-501 STC-50 - RF DOOR DETAILS (DOOR FRAME F-1 & LEAF TYPE A) 07 OF 11

A-601 FINISHES NOTES AND SCHEDULE 08 OF 11

A-602 DOOR AND HARDWARE SCHEDULE, DOOR ELEVATIONS 09 OF 11

A-701 BASIS OF DESIGN CUT SHEETS DOOR AND HARDWARE 10 OF 11

A-702 BASIS OF DESIGN CUT SHEETS DOOR AND HARDWARE 11 OF 11

COVER SHEET

100% submission

04-04-2026

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

ALL WORK NECESSARY TO INSTALL A SECURE STC-50 DOOR

B. IF NEEDED, CONSTRUCTION OF A SECTION OF STC-50 SOUND GROUP 4 WALL UNDER THE NEW THRESHOLD

D. INSTALLATION OF NEW STC-50 DOOR AND HARDWARE AS INDICATED IN THE CONSTRUCTION DOCUMENTS.

D O W N

D O W N

5403 A

5403 B

C5400 A

ST 5H

C5400 C C5200 C

ST 5G

ST 5F

EV 502

EV 5035427

5428 5426

5432 A

5432 B

5436 E 5436 5438

5467 B

5467 C

5431 5433

5441 C

5441 B-1

5441 A

5441 E C5400 D

O

5441 N

5441 M

ST 5E

C5100 C

C5400 E

5467 T

5130 K

5130 M

5130 I

5127 B 5127 A

5130 A

5224 A

5225 B

5225 A

C5200 B

ST 5B

C5300 B

5312 5310

C5300 A

ST 5A

EV 510

EV 508

EV 507

C5000 B

5030 A

5036 A 5036 B-1

C5000 C

5057 A

5050 A

5050 B

C5000 D

C5000 E

5064 C

5064 A

5064 D

05ST1

EV 506

C5100 A

ST 5D

5104 C 5104 B

5104 A 5112 B 5112 A

C5100 B

C

5117 A-1

5117 B

ENTRY / EXIT

VESTIBULE

COPY ROOM

TELECOM

HISTORIC CORRIDOR

C5200

OPEN OFFICE AREA

CORRIDOR

EXIT

OFFICE

OFFICE

TELECOM

OFFICE

OFFICE

OFFICE

VESTIBULE

5313 A

OFFICE

OFFICE

OFFICE

53219

OFFICE

OFFICE

5321 CONFERENCE ROOM

UP UP

DN

DN

UP

UP

RECEPTION

CORRIDOR

5313 B

STORAGE

5211GG

OFFICE

COPY ROOM

OFFICE

OFFICE

OFFICE

OFFICE

OFFICE

OFFICE

OFFICE

VESTIBULE

OPEN OFFICE

OFFICE

UP

OFFICE

UP

OPEN OFFICE

OFFICE

OFFICE

DN

VESTIBULE

UP

TELECOM

UP UP

OPEN OFFICE

OPEN OFFICE

TEAM ROOM

DN

CORRIDOR

OFFICE

OFFICE

OFFICE

OFFICE

OFFICE

OFFICE

SOUTH COURTYARD

NORTH COURTYARD

S

N

W E

PROJECT INFORMATION

WORK DESCRIPTION

REVIEW COMMENTS / NOTES

VESTIBULE

5TH FLOOR

NO

RT

H

5TH FLOOR SOUTH COURTYARD VESTIBULE ALTERATIONS

VESTIBULE 5436

OF

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EV

IS

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O

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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

03/20/2026

NEW DOOR 5436 V-2

VESTIBULE RENOVATION & NEW DOOR

5TH FLOOR

5436-0026-03

4 APRIL 2026

100% SUBMISSION FOR REVIEW

FEDERAL OFFICE BUILDING

DOWN

DOWN

N

SW

SOUTH

COURTYARD

KE

Y

PL

AN

1 2 3 4 5

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED NO

RT

H

PROJECT LOCATION

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 LEGEND MATERIALS LEGEND

E

I

P

ALIGN

ALIGN SURFACES

CENTER LINE

X

GENERAL / KEYED NOTE

DEMOLITION NOTE

ROOM NAME

ROOM NUMBER

X

NEW DOOR ASSEMBLYX-

XX

X

EXISTING DOOR ASSEMBLY TO

REMAIN

X-XXX

WALL / PARTITION TYPE

STRUCTURAL GRID

COMPONENT

EXISTING DOOR ASSEMBLY

TO BE REMOVED

REVISION CLOUD

NOT IN THE SCOPE OF WORK

FINISH ELEVATION

DOOR NUMBER

FLOOR FINISH TRANSITION

X

ELEVATION NUMBER

SHEET NUMBER

X

X

XX

DETAIL / SECTION NUMBER

SHEET NUMBER

X FURNITURE /

EQUIPMENT TAG

EXISTING WALL TO REMAIN

NEW WALL AS PER WALL TYPE

ALUMINUM

BATT INSULATION

CONCRETE GYPSUM OR SAND

WOOD BLOCKING

CONTINUOUS

WOOD BLOCKING

NOT CONTINUOUS

WOOD FINISH

PLYWOOD

STEEL STUD

STEEL RUNNER

CARPET

NEW STC-50 WALL

FLOOR BOX W/ PLATE

EXISTING TATE STEEL

24"x 24" FLOOR PANEL

SYSTEM TO REMAIN

EXISTING MODIFIED STEEL

24"x 24" FLOOR PANEL

REVISION NUMBER

EXISTING STEEL 24"x 24"

FLOOR PANEL TO BE

MODIFIED

EXISTING 24"x 24"

ACT & GRID REMAIN

EXISTING 24"x 24" ACT &

GRID TO BE ADJUSTED

TO ALLOW FOR WALL

EXISTING 24"x 24"

ACT & GRID ADJUSTED

ALLOWING FOR WALL

XX

XXX

XXX

CL

XX

XX

G- 002

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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

03/20/2026

NEW DOOR 5436 V-2

VESTIBULE RENOVATION & NEW DOOR

5TH FLOOR

5436-0026-03

4 APRIL 2026

100% SUBMISSION FOR REVIEW

FEDERAL OFFICE BUILDING

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CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED NO

RT

1. PERIMETER SECURITY

1.1 THE PERIMETER OF THE SECURE SPACE INCLUDES ALL PERIMETER WALLS, WINDOWS, AND DOORS AS WELL AS THE CEILING AND FLOOR.

1.2 THE PERIMETER OF THE SECURE SPACE SHALL PROVIDE A PHYSICAL BARRIER TO FORCED, COVERT AND SURREPTITIOUS ENTRY.

1.3 WALLS, FLOOR AND CEILING SHALL BE PERMANENTLY AND SOLIDLY CONSTRUCTED AND ATTACHED TO EACH OTHER. RAISED FLOORS AND FALSE CEILINGS SHALL NOT BE USED TO ANCHOR WALL SUPPORT MATERIALS. ALL CONSTRUCTION, TO INCLUDE ABOVE THE FALSE CEILING AND BELOW A RAISED FLOOR, SHALL BE CONSTRUCTED TO PROVIDE VISUAL EVIDENCE OF UNAUTHORIZED PENETRATION.

1.4 WHEN AN EXISTING WALL IS CONSTRUCTED WITH SUBSTANTIAL MATERIAL (E.G., BRICK, CONCRETE, CINDER BLOCK, ETC.) EQUAL TO MEET THE PERIMETER WALL CONSTRUCTION STANDARDS, THE EXISTING WALL MAY BE UTILIZED TO SATISFY THE SPECIFICATION.

1.5 PERIMETER WALL CONSTRUCTION SPECIFICATIONS VARY BY THE TYPE OF SECURE SPACE OPERATIONS, LOCATION, USE OF SECURITY IN DEPTH

(SID), AND DISCUSSION REQUIREMENTS.

2. SOUND GROUPS RATING

2.1 THE ABILITY OF A SECURE SPACE STRUCTURE TO RETAIN SOUND WITHIN THE PERIMETER IS RATED USING A DESCRIPTIVE VALUE, THE SOUND TRANSMISSION CLASS (STC). TO SATISFY THE NORMAL SECURITY STANDARDS OF SECURE SPACES, THE FOLLOWING TRANSMISSION ATTENUATION

GROUPS HAVE BEEN ESTABLISHED:

2.1.1 SOUND GROUP 3 - STC 45 OR BETTER: THE SECURE SPACE PERIMETER SHALL BE DESIGNED AND CONSTRUCTED TO MEET SOUND GROUP 3

OR BETTER STANDARDS.

2.1.2 SOUND GROUP 4 - STC 50 OR BETTER : AREAS THAT PROVIDE FOR AMPLIFIED CONVERSATIONS, SUCH AS CONFERENCE CENTERS, VIDEO TELECONFERENCE (VTC) ROOMS, OR SIMILAR AREAS, SHALL BE DESIGNED AND CONSTRUCTED TO MEET SOUND GROUP 4 STANDARDS.

2.2 THIS IS NOT INTENDED TO PROTECT AGAINST DELIBERATE TECHNICAL INTERCEPTION OF AUDIO EMANATIONS.

2.3 IF AMPLIFIED SOUND EMPLOYMENT IS ANTICIPATED, SUCH AS CONFERENCE ROOM VTC, THE FACILITY NORMALLY MUST MEET SOUND

TRANSMISSION CLASS (STC) REQUIREMENTS OF STC-50 FOR WALLS AND DOORS.

3. PERIMETER WALL CONSTRUCTION

WALL TYPE C (FROM ICD/ICS 705) - SUGGESTED STANDARD ACOUSTIC WALL FOR NEWLY CONSTRUCTED WALL AT ENTRANCE AS FOLLOWS:

(SEE CONSTRUCTION DRAWING FOR DETAILS).

3.1 3 5/8 INCH MINIMUM 16-GAUGE STUDS @ 16 INCHES o.c. WITH:

3..1.1 THREE LAYERS 5/8 INCH-THICK GYPSUM WALLBOARD (GWB) AS FOLLOWS: TWO LAYERS ON THE UNCONTROLLED SIDE OF THE SECURE SPACE AND ONE ON THE CONTROLLED SIDE OVER A MINIMUM 1/2 INCH PLYWOOD ON THE CONTROLLED SIDE OF THE SECURE SPACE.

3.1.2 1/2 INCH PLYWOOD AFFIXED 8' VERTICAL BY 4' HORIZONTAL TO 16-GAUGE STUDS USING GLUE AND #10 STEEL TAPPING SCREWS AT 12 O.C.

3.1.3 GWB SHALL BE MOUNTED TO PLYWOOD WITH SCREWS AVOIDING CONTACT WITH STUDS TO MITIGATE ANY POSSIBLE ACOUSTIC

FLANKING PATH.

3.1.4 THE INTERIOR TWO LAYERS OF WALLBOARD SHALL BE MOUNTED SO THAT THE SEAMS DO NOT ALIGN (I.E., STAGGER JOINTS).

3.2 ACOUSTIC FILL 3 ½ " SOUND ATTENUATION MATERIAL, FASTENED TO PREVENT SLIDING DOWN AND LEAVING VOID AT THE TOP.

3.3 THE TOP AND BOTTOM OF EACH WALL SHALL BE SEALED WITH AN ACOUSTIC SEALANT WHERE IT MEETS THE SLAB. USE FIRE SAFE NON-SHRINK GROUT, OR ACOUSTIC SEALANT IN ALL VOIDS ABOVE/BELOW TRACK BOTH SIDES OF PARTITION.

3.4 ENTIRE WALL ASSEMBLY SHALL BE FINISHED AND PAINTED FROM TRUE FLOOR TO TRUE CEILING.

4. SECURE SPACE PENETRATIONS CRITERIA

4.1 ALL PENETRATIONS OF PERIMETER WALLS SHALL BE KEPT TO A MINIMUM.

4.2 UTILITIES SERVICING AREAS OTHER THAN THE SPACE SHALL NOT TRANSIT THE SPACE UNLESS MITIGATED WITH AO APPROVAL.

4.3 UTILITIES SHOULD ENTER THE SPACE AT A SINGLE POINT.

4.4 ALL UTILITY (POWER AND SIGNAL) DISTRIBUTION ON THE INTERIOR OF A PERIMETER WALL TREATED FOR ACOUSTICS OR RF SHALL BE SURFACE MOUNTED, CONTAINED IN A RACEWAY, OR AN ADDITIONAL WALL SHALL BE CONSTRUCTED USING FURRING STRIPS AS STAND OFF FROM THE EXISTING WALL ASSEMBLY. IF THE CONSTRUCTION OF AN ADDITIONAL WALL IS USED, GYPSUM BOARD MAY BE ⅜ INCH THICK AND NEED ONLY GO TO

THE FALSE CEILING.

4.5 INSTALLATION OF ADDITIONAL CONDUIT PENETRATION FOR FUTURE UTILITY EXPANSION IS PERMISSIBLE PROVIDED THE EXPANSION CONDUIT IS

FILLED WITH ACOUSTIC FILL AND CAPPED (END OF PIPE COVER).

5. VENT AND DUCT WORK CRITERIA

5.1 ALL VENTS AND DUCTS SHALL BE PROTECTED TO MEET THE ACOUSTIC REQUIREMENTS OF THE SECURE SPACE (TYPICAL AIR Z-DUCT PENETRATION FOR EXAMPLE.) ALL DUCTS SHALL BE ACOUSTICALLY LINED OR WRAPPED. A NEOPRENE, CANVAS OR OTHER NON-METALLIC MATERIAL SECTIONS ARE

REQUIRED TO BE INSTALLED WITHIN 6 INCHES OF THE PERIMETER WALL TO ENSURE ACOUSTIC PROTECTION FOR THE DUCT.

5.2 HEATING VENTILATION AND AIR CONDITIONING (HVAC) VENTILATION DUCTS MUST HAVE VIBRATION ISOLATION INSTALLED WITHIN 6" OF EXITING THE SECURE SPACE AND ACOUSTIC TREATMENT. A "Z-TYPE" DUCT IS AN EXAMPLE OF ACOUSTICAL ATTENUATION FOR A RETURN DUCT.

5.3 WALLS SURROUNDING DUCT PENETRATIONS SHALL BE FINISHED TO ELIMINATE ANY OPENING BETWEEN DUCT AND THE WALL.

5.4 ALL VENTS OR DUCT OPENINGS THAT PENETRATE THE PERIMETER WALLS OF A SECURE SPACE AND EXCEED 96 SQUARE INCHES SHALL BE PROTECTED

WITH PERMANENTLY AFFIXED BARS OR GRILLS.

5.5 IF ONE DIMENSION OF THE PENETRATION MEASURES LESS THAN 6 INCHES, BARS OR GRILLS ARE NOT REQUIRED.

5.6 WHEN METAL SOUND BAFFLES OR WAVE FORMS ARE PERMANENTLY INSTALLED AND SET NO FARTHER APART THAN 6 INCHES IN ONE DIMENSION, THEN BARS OR GRILLS ARE NOT REQUIRED.

5.7 IF BARS ARE USED, THEY SHALL BE A MINIMUM OF 1/2 INCH DIAMETER STEEL, WELDED VERTICALLY AND HORIZONTALLY 6 INCHES ON CENTER; A DEVIATION OF 1/2 INCH IN VERTICAL AND/OR HORIZONTAL SPACING IS PERMISSIBLE.

5.8 IF GRILLES ARE USED, THEY SHALL BE OF:

5.8.1 1- 3/4 INCH-MESH, #9 (10 GAUGE), CASE-HARDENED, EXPANDED METAL; OR

5.8.2 EXPANDED METAL DIAMOND MESH, 1-1/2" #10 (1-3/8" BY 3" OPENINGS, 0.093" THICKNESS, WITH AT LEAST 80% OPEN DESIGN) TAMPERPROOF; OR

5.8.3 WELDED WIRE FABRIC (WWF) 4x4 W2.9 x W2.9 (6-GAUGE SMOOTH STEEL WIRE WELDED VERTICALLY AND HORIZONTALLY 4 INCHES o.c.).

5.8.4 IF BARS OR GRILL ARE REQUIRED, AN ACCESS PORT SHALL BE INSTALLED INSIDE THE SECURE PERIMETER OF THE SPACE TO ALLOW

VISUAL INSPECTION OF THE BARS OR GRILL.

PHYSICAL AND TECHNICAL SECURITY STANDARDS

G- 003

PHYSICAL AND TECHNICAL SECURITY

8.4.4 IT SHALL BE EQUIPPED WITH AN APPROVED ACCESS CONTROL DEVICE ( ACD) (SEE CHAPTER 8 OF THE ICD / ICS 705). THE ACD MAY BE EQUIPPED WITH A BY-PASS KEYWAY FOR USE IN THE EVENT OF AN ACCESS CONTROL SYSTEM FAILURE.

8.5 EMERGENCY EXIT DOORS (IF REQUIRED) SHALL

8.5.1 BE SECURED WITH 3-POINT DEADLOCKING PANIC HARDWARE ON THE INSIDE

8.5.2 HAVE NO EXTERIOR HARDWARE.

8.5.3 BE ALARMED 24/7

8.5.4 PROVIDE A LOCAL AUDIBLE ANNUNCIATION WHEN OPENED

8.6 WOOD DOORS

8.6.1 WOOD DOORS SHALL BE 1 3/4 INCH-THICK SOLID WOOD CORE (WOOD STAVE)

8.7 STEEL DOORS SHALL MEET FOLLOWING SPECIFICATIONS:

8.7.1 1 ¾ INCH-THICK FACE STEEL EQUAL TO 18 GAUGE

8.7.2 HINGES REINFORCED TO 7 GAUGE

8.7.3 DOOR CLOSURE REINFORCED TO 12 GAUGE

8.7.4 LOCK AREA PREDRILLED AND/OR REINFORCED TO 10 GAUGE

9. WINDOWS CRITERIA

9.1 EVERY EFFORT SHOULD BE MADE TO MINIMIZE OR ELIMINATE WINDOWS IN THE SPACE, ESPECIALLY ON THE GROUND FLOOR.

9.2 WINDOWS SHALL BE NON-OPENING.

9.3 WINDOWS SHALL BE PROTECTED BY SECURITY ALARMS WHEN THEY ARE WITHIN 18 FEET OF THE GROUND OR AN ACCESSIBLE

PLATFORM.

9.4 WINDOWS SHALL PROVIDE VISUAL AND ACOUSTIC PROTECTION.

10. FLOOR AND CEILING CRITERIA

10.1 FLOORS AND CEILINGS SHALL BE CONSTRUCTED TO MEET THE SAME STANDARDS FOR FORCE PROTECTION AND ACOUSTIC PROTECTION

AS WALLS.

10.2 ALL FLOOR AND CEILING PENETRATIONS SHALL BE KEPT TO A MINIMUM.

11. TEMPEST CRITERIA

11.1 RF SHIELDING FOIL INSTALLATION IS DEPENDENT ON THE INFORMATION ABOVE REGARDING THE SS SEPARATION DISTANCE FROM OTHERS, I.E., DETERMINATION OF THE INSPECTABLE SPACE BY THE CERTIFIED TEMPEST TECHNICAL AUTHORITY (TREASURY (OIA) CTTA). ALL WALLS, CEILINGS, AND FLOORS MUST BE FOILED.

11.2 RADIO FREQUENCY (RF) SHIELDING PROTECTION FOR SECURE SPACE PERIMETER

11.2.1 RF PROTECTION SHALL BE INSTALLED AT THE DIRECTION OF THE CTTA WHEN A SECURE SPACE UTILIZES ELECTRONIC PROCESSING AND DOES NOT PROVIDE ADEQUATE RF ATTENUATION AT THE INSPECTABLE SPACE BOUNDARY. IT IS RECOMMENDED FOR ALL

APPLICATIONS WHERE RF INTERFERENCE FROM THE OUTSIDE OF THE SPACE IS A CONCERN INSIDE THE SPACE.

11.2.2 INSTALLATION OF RF PROTECTION SHOULD BE DONE USING EITHER THE DRAWINGS OR BEST PRACTICES GUIDELINES FOR ARCHITECTURAL RADIO FREQUENCY SHIELDING, PREPARED BY THE TECHNICAL REQUIREMENTS STEERING COMMITTEE UNDER THE

CENTER FOR SECURITY EVALUATION. THIS DOCUMENT IS AVAILABLE THROUGH THE CENTER FOR SECURITY EVALUATION, OFFICE

OF THE DIRECTOR OF NATIONAL INTELLIGENCE (ONCIX/CSE).

11.2.3 RF INSTALLATION ON THE WALLS | NEW WALLS:

OPTION 1: FOIL SHOULD BE INSTALLED BETWEEN THE TWO INNER LAYERS (SS) OF GWB.

OPTION 2: INSTALL ONE LAYER OF FOIL BACK GYPSUM BOARD OVER ONE LAYER OF GYPSUM BOARD ON THE SS OF THE WALL.

IN BOTH OPTIONS, THE GWB PANELS SHOULD BE INSTALLED WITH STAGGERED JOINTS, AND THE INSTALLATION SHOULD BE IN A

MANNER TO PROTECT THE FOIL.

11.2.4 RF INSTALLATION ON THE WALLS | EXISTING WALLS:

OPTION 1A: EMI CONDUCTIVE FABRIC OR EMI SHIELDING LAMINATES: THESE TYPES OF SHIELDS ARE PERFECT FOR ISOLATING

ASSEMBLIES ALREADY IN PLACE WITHOUT NEEDING TO DO ANY DEMOLITION.

OPTION 1B: CONDUCTIVE FABRIC TAPE EMI AND RFI TAPE VARIETIES

11.2.5 THE CEILING WOULD BE CAPPED ABOVE CURRENT CEILING TILES ALLOWING FOR THE INSTALLATION OF RF FOIL, THUS ALLOWING COMPLETING THE 6-SIDED RF FOIL BOX. CAPPED CEILING CAN BE COVERED WITH GYPSUM BOARD AND PAINTED TO MATCH

COLOR BELOW CEILING TILES.

11.3 THE ENTRANCE WALL WILL NEED TO MEET THE STC-50 CRITERIA WITH FOIL BACK GYPSUM BOARD USED FOR RF MITIGATION. AREAS ABOVE THE CEILING THAT WERE NOT VERIFIED AS CONCRETE EXTERIOR WALLS MUST BE COVERED WITH FOIL BACKED GYPSUM BOARD AND

BROUGHT UP TO STC-50 RATING.

11.4 WINDOW TREATMENT MAY CONSIST OF RF-SHIELDING FILM AND PHYSICAL/VISUAL RESTRICTIONS. CTTA, APPROVED THE USE OF FOIL BACKED GYPSUM BOARD AS A MEANS OF MITIGATION. BASED ON STANDOFF DISTANCE AND SIDS.

11.5 USE VOIPS, VIPER, OR TSG-6 TYPE APPROVED PHONES FOR UNCLASSIFIED SERVICE IN THE SS. SEE CNSS 5000, 5002, AND 5006 FOR DETAILS INCLUDING APPROVED VOIP DEVICES. THE CALL MANAGER MUST BE INSTALLED WITHIN A PROTECTED ROOM. THIS WILL BE AT THE

DISCRETION OF CIO FOR THE TYPE OF PHONES THAT CAN SUPPORT THE ENVIRONMENT.

11.6 GENERAL ANNOUNCEMENT SPEAKERS MUST HAVE ISOLATION TRANSFORMERS OR SIMILAR. THIS ALSO APPLIES TO FIRE ALARM SPEAKER

ANNUNCIATORS, NOT ELECTRONIC AIR HORN TYPE.

11.7 THE ENCRYPTION/DECRYPTION DEVICE SHOULD BE INSTALLED IN THE SERVER ROOM, NORMALLY A PART OF THE SS TO PRECLUDE THE NEED FOR AN ALARMED PROTECTED DISTRIBUTION SYSTEM (PDS). A PDS IS NOT AUTHORIZED.

11.8 NO WIRELESS DEVICES ARE ALLOWED IN THE SS.

6. ELECTRICAL COMPONENTS CRITERIA

6.1 METALLIC DRAIN PIPING THOUGH A SECURE SPACE (SS)MUST HAVE A DIELECTRIC BREAK WITHIN 6 IN OF EXIT. ALL DRAIN PIPING

MUST BE ACOUSTICALLY PROTECTED.

6.2 PROVIDE AN ISOLATION TRANSFORMER WITHIN LOCAL ELECTRICAL ROOM OR SS LAN ROOM. IF AN ISOLATION TRANSFORMER IS INSTALLED WITHIN THE SS LAN ROOM, NO SEPARATE RED/BLACK POWER PANELS ARE REQUIRED. ALL ELECTRICAL LOADS SHOULD BE FED BY THE ELECTRICAL PANEL(S) LOCATED WITHIN LOCAL ELECTRICAL ROOM OR SS LAN ROOM.

6.3 A SEPARATION DISTANCE OF 30 CM SHALL BE PROVIDED BETWEEN RED EQUIPMENT AND BLACK WIRE LINES THAT DIRECTLY

LEAVE THE INSPECTABLE SPACE.

6.4 FOR SMALLER ELECTRICAL LOAD SSS, AN UNINTERRUPTIBLE POWER SUPPLY (UPS) MAY BE USED IN LIEU OF AN ISOLATION

TRANSFORMER. THE UPS UNIT MUST BE A FULL CONVERSION, I.E., AC-DC-AC TYPE.

6.5 FIBER IS PREFERRED OVER WIRED CABLING ENTERING THE SS. CABLE TV OR OTHER COAXIAL CABLE MUST BE FIBER WHEN

PENETRATING THE SS PERIMETER WALL. ALL OTHER METALLIC CABLING MUST BE SHIELDED.

6.6 GROUNDING

6.6.1 A GROUNDING POINT MUST BE PROVIDED WITHIN THE SS, PREFERABLY IN THE SS LAN ROOM.

6.6.2 FORTUITOUS CONDUCTORS. ALL PIPES, CONDUITS, AND METALLIC TUBING (NEW AND EXISTING) SHOULD BE GROUNDED AT

THE SECURE SPACE (SS) PERIMETER WALL EXIT POINT, WITHIN 6 IN OF EXIT.

6.6.3 ANY EXISTING WIRING OR PIPING THAT WILL NOT BE USED MUST BE REMOVED. FOR NEW WORK, DIELECTRIC BREAKS MAY BE INSTALLED BETWEEN THE GROUNDING CLAMP AND PERIMETER WALL OR IN PERIMETER WALL ITSELF.

6.6.4 NO DIELECTRIC BREAK REQUIRED IN FIRE SUPPRESSION, SPRINKLER PIPING

6.6.5 FOR GROUNDING USE STANDARD METALLIC CLAMPS, #14 AWG OR LARGER GAUGE COPPER WIRE, STRANDED COPPER, WIRE, OR BRAIDED STRAP, AND BOND TO BUILDING GROUND. GROUNDING RESISTANCE SHOULD NOT EXCEED 1 MILLIOHM.

6.6.6 RECORD GROUNDING CONNECTIONS, ELECTRICAL PANEL, TRANSFORMER NAME PLATE VIA PHOTOGRAPHIC MEANS.

7. GENERAL SECURE SPACE INTRUSION DETECTION SYSTEM (IDS) REQUIREMENTS

7.1 IDS SHALL DETECT ATTEMPTED OR ACTUAL UNAUTHORIZED HUMAN ENTRY INTO A SECURE SPACE. (SEE CHAPTER 7 OF THE

ICD/ICS 705).

7.2 SPACE SHALL BE PROTECTED BY IDS WHEN NOT OCCUPIED.

7.3 INTERIOR AREAS OF A SPACE THROUGH WHICH REASONABLE ACCESS COULD BE GAINED, INCLUDING WALLS COMMON TO AREAS

NOT PROTECTED AT THE SCI LEVEL, SHALL BE PROTECTED BY IDS.

7.4 DOORS WITHOUT ACCESS CONTROL SYSTEMS AND THAT ARE NOT UNDER CONSTANT VISUAL OBSERVATION SHALL BE

CONTINUOUSLY MONITORED BY THE IDS.

7.5 REQUIREMENTS FOR ELECTRICAL POWER

7.5.1 IN THE EVENT OF PRIMARY POWER FAILURE, THE SYSTEM SHALL AUTOMATICALLY TRANSFER TO AN EMERGENCY

ELECTRICAL POWER SOURCE WITHOUT CAUSING ALARM ACTIVATION.

7.5.2 TWENTY-FOUR HOURS OF UNINTERRUPTIBLE BACKUP POWER IS REQUIRED AND SHALL BE PROVIDED BY BATTERIES, AN

UNINTERRUPTIBLE POWER SUPPLY (UPS), GENERATORS, OR ANY COMBINATION.

8. SECURE SPACE DOOR CRITERIA

8.1 DOOR TYPE DEFINITIONS

8.1.1 PRIMARY DOOR: A SECURE SPACE PERIMETER DOOR RECOGNIZED AS THE MAIN ENTRANCE. THERE SHALL BE ONLY ONE

PRIMARY DOOR TO A SECURE SPACE.

8.1.2 SECONDARY DOOR: A SECURE SPACE PERIMETER DOOR EMPLOYED AS BOTH AN ENTRY AND EGRESS DOOR THAT IS NOT

THE PRIMARY DOOR.

8.1.3 EMERGENCY EGRESS-ONLY DOOR: A SECURE SPACE PERIMETER DOOR EMPLOYED AS AN EMERGENCY EGRESS DOOR

WITH NO ENTRY CAPABILITY.

8.2 THE ACCREDITING OFFICIALS (AO) MUST APPROVE ADDITIONAL ENTRANCE DOORS FOR USE BY SECURE SPACE RESIDENTS PROVIDED THAT THE DOORS ARE EQUIPPED WITH AN APPROVED ACCESS CONTROL SYSTEM AND ARE SECURED WITH AN APPROVED DEAD BOLT OR LOCK WHEN THE SPACE IS NOT OCCUPIED. THE DEADBOLT SHALL NOT BE ACCESSIBLE FROM THE

EXTERIOR.

8.3 CRITERIA FOR ALL SECURE SPACE PERIMETER DOORS

8.3.1 SECURE SPACE DOORS & FRAME ASSEMBLIES SHALL MEET ACOUSTIC REQUIREMENTS UNLESS DECLARED A NON-DISCUS- SION AREA. DOOR'S SERVICING AREAS BUILT TO STC LEVEL 4 OR 5 REQUIRE A SPECIALIZED ACOUSTIC RATED ASSEMBLY.

8.3.2 PERIMETER DOORS SHALL COMPLY WITH APPLICABLE BUILDING, SAFETY, AND ACCESSIBILITY CODES AND REQUIREMENTS.

8.3.3 ALL PERIMETER DOORS SHALL BE ALARMED IN ACCORDANCE WITH INTRUSION DETECTION SYSTEM (IDS) STANDARDS.

8.3.4 ALL PERIMETER DOORS SHALL BE EQUIPPED WITH A 30 SECOND AUTOMATIC NON-HOLD DOOR-CLOSER WHICH SHALL BE

INSTALLED INTERNAL TO THE SPACE.

8.3.5 HINGE PINS THAT ARE ACCESSIBLE FROM OUTSIDE OF THE SPACE DOOR SHALL BE MODIFIED TO PREVENT REMOVAL OF

THE DOOR, E.G., WELDED, SET SCREWS, ETC.

8.3.6 PARTICULAR ATTENTION MUST BE PAID TO THE DOOR FRAME, SWEEPS, AND DOOR CLOSER AS THESE ARE AREAS PARTICULARLY VULNERABLE TO SOUND LEAKAGE AND ARE MOST COMMONLY THE REASON FOR FAILURE TO MEET THE

STC CONSTRUCTION STANDARD.

8.3.7 IT IS RECOMMENDED THAT A CERTIFIED COMMERCIAL CONTRACTOR TO INSTALL THE PREFABRICATED DOORS

STC-50 OR HIGHER RATED DOOR.

8.3.8 SECURE SPACE PERIMETER DOORS SHALL BE PROTECTED BY A HIGH SECURITY SWITCH (HSS) AND A MOTION

DETECTION SENSOR SUCH AS PASSIVE INFRARED SENSOR (PIR).

8.4 PRIMARY DOOR CRITERIA

8.4.1 THERE SHALL BE ONLY ONE PRIMARY DOOR TO A SECURE SPACE.

8.4.2 SHALL BE EQUIPPED WITH GSA-APPROVED PEDESTRIAN DOOR DEADBOLT MEETING THE MOST CURRENT VERSION OF FEDERAL SPECIFICATION FF-L-2890. STANDALONE AND FLUSH MOUNTED DEAD BOLTS ARE PROHIBITED.

8.4.3 IT SHALL BE EQUIPPED WITH A COMBINATION LOCK MEETING THE MOST CURRENT VERSION OF FEDERAL

SPECIFICATION FFL- 2740.

CONSTRUCTION MUST COMPLY WITH THE IC TECH SPEC FOR ICD/ICS 705

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BUILDING NOs.

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BUILDING NO.

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24 x 36

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1 2 3 4 5

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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

03/20/2026

NEW DOOR 5436 V-2

VESTIBULE RENOVATION & NEW DOOR

5TH FLOOR

5436-0026-03

4 APRIL 2026

100% SUBMISSION FOR REVIEW

FEDERAL OFFICE BUILDING

DOWN

DOWN

N

SW

SOUTH

COURTYARD

KE

Y

PL

AN

1 2 3 4 5

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED NO

RT

C5400 C

5436V

OPEN OFFICE CORRIDOR

VESTIBULE

V-1

CONFERENCE

ELEV 0'-0"ELEV 0'- 6" UP ELEV 0'-0"

8"

1 2"

8'-4"

5' -0

1 2"

3' -8

C5400 C

5436V

OPEN OFFICE

CORRIDOR

VESTIBULE

CONFERENCE

ELEV 0'-0"

HEADER @ 7'- 1"AFF

C5400 C

5436V

OPEN OFFICE CORRIDOR

VESTIBULE

V-1

CONFERENCE

ELEV 0'-0"ELEV 0'- 6" UP ELEV 0'-0"

EXISTING AND DEMOLITION FLOOR PLANC-1

1/2" = 1'-0"

GENERAL NOTES

DEMOLITION NOTES

1 REMOVE PLASTER OR GWB TO EXPOSE FRAMING MEMBERS. EXISTING OPENING

NEEDS TO BE EXTENDED BY 1" MIN FOR THE R.O. TO BE 39" MIN IN WIDTH

REMOVE PLASTER OR GWB TO EXPOSE FRAMING HEADER. EXISTING OPENING

NEEDS TO BE EXTENDED BY 1" MIN IF POSSIBLE. EXISTING OPENING NEEDS TO BE

EXTENDED BY 1" MIN FOR THE R.O. TO BE 86' IN HEIGHT.

FLOOR PANELS TO BE REMOVED TO ASCERTAIN IF THE WALL EXTENDS UNDER SILL.

KEY NOTES

EXISTING DOOR, HARDWARE AND CARD READER TO REMAIN UNALTERED

EXISTING CEILING (ACT & GRID) AND ALL MECHANICAL, ELECTRICAL, FIRE ALARM AND

FIRE PROTECTION EQUIPMENT TO REMAIN UNALTERED.

FLOOR PANEL: EVALUATE IF UNDERSIDE OF FUTURE THRESHOLD WILL NEED TO BE

FILLED AS PER WALL TYPE A

PROTECT EXISTING WALLS AND REPAIR IF DAMAGED AS NEEDED

RAMP TO REMAIN UNALTERED

EXISTING AND DEMOLITION REFLECTED CEILING PLANA-1

1/2" = 1'-0"

EXISTING AND DEMOLITION FLOOR PANEL SYSTEMC-3

1/2" = 1'-0"

BARE CC/AS PANEL

POSILOCK SCREW

POSILOCK HEAD

THREAD STUD

LEVELING NUT

STEEL PEDESTAL

TUBE

STEEL BASE

PLATE

TYPICAL SECTION AT FIELD

NTS

A-3

CONCORE / ALL STEEL POSILOCK SYSTEM

1/2" =1'-0"

6"12"18" 1' 2' 3' 4'

3"9"15"

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

AD101

EXISTING AND DEOLITION

EXISTING WALLS TO REMAIN

EXISTING DOORS TO REMAIN

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 FOR

INVESTIGATION PURPOSES (ONE PANEL WILL SUFFICE)

EXISTING 24"x 24" CEILING ACT AND GRID TO REMAIN AS IS

SYMBOLS LEGEND

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AGF

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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

G

PR

OJ

EC

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BU

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IN

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SUB A/E

PRIME A/E

CONS. CONTR.

A/E CON. NO.

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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

03/20/2026

NEW DOOR 5436 V-2

VESTIBULE RENOVATION & NEW DOOR

5TH FLOOR

5436-0026-03

4 APRIL 2026

100% SUBMISSION FOR REVIEW

FEDERAL OFFICE BUILDING

DOWN

DOWN

N

SW

SOUTH

COURTYARD

KE

Y

PL

AN

1 2 3 4 5

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED NO

RT

H

PROJECT LOCATION

PORTION OF WALL TO BE REMOVED

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 REMO- VAL 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 REPLA-

CED 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 INTRODUCING 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.

4 5

C5400 C

5436V

OPEN OFFICE CORRIDOR

VESTIBULE

V-1 ELEV 0'-0"ELEV 0'- 6"

RAMP UP ELEV 0'-0" 5'

-0 "R

.O

5436V-2

3' -9

CL

8"

C5400 C

5436V

OPEN OFFICE

CORRIDOR

VESTIBULE

ELEV 0'- 6" ELEV 0'-0"

8"

ELEV 0'-0"

RAMP UP

C5400 C

5436V5436

OPEN OFFICE

CORRIDOR

VESTIBULE

ELEV 0'-0"

HEADER

@ 7'- 2" AFF

VESTIBULE WITH STC-50 DOORC-1

1" = 1'-0"

GENERAL NOTES

KEY NOTES

INSTALL A CLARK DIETRICH HDS 362HD300-54 AS A JAMB AT EITHER SIDE OF THE ENLARGED

OPENING, CENTERED ON THE WALL, FROM THE TOP OF THE STRUCTURAL DECK TO THE

UNDERSIDE OF THE OPENING HEADER. FASTEN NEW FRAMING MEMBERS AS RECOMMENDED BY

STEEL MANUFACTURER.

NEW 1 3/4" ACOUSTIC STEEL DOOR & STEEL FRAME (14 GA MIN) STC-50 SOUND GROUP 4. STC-50 DOOR LEAF MUST BE PURCHASED AS A SET WITH THE DOOR FRAME. THE FRAME MUST HAVE ALL VOIDS IN THE HEAD AND JAMBS PACKED W/ 6 TO 12 LB DENSITY MINERAL WOOL. INSTALL DOOR

AND HARDWARE AS PER DOOR AND HARDWARE SCHEDULES. JAMB ANCHORS TO BE FABRICATED

OF SAME MATERIAL AS FRAME MATERIAL. WELD ANCHORS INSIDE EACH JAMB FOR WALL

ANCHORAGE. HARDWARE MUST MEET FEDERAL SPECIFICATION FF-L-2740 / UL 2050.

INSTALL (1) LAYER OF 5/8" GWB AT EACH SIDE OF NEW JAMB HDS 362HD300-54

PROVIDE AND INSTALL 4" CLEAR POPLAR DOOR CASING AS DEPICTED. ALL JOINTS ARE TO BE

SEALED WITH ACOUSTICAL CAULK.

PROVIDE AND INSTALL 2" CLEAR POPLAR DOOR CASING AS DEPICTED. ALL JOINTS ARE TO BE

SEALED WITH ACOUSTICAL CAULK.

3/4" BLOCKING

EXISTING DOOR ASSEMBLY INCLUDING CDX LOCK & CASING TO REMAIN.

RAMP FLOOR PANEL SYSTEM TO REMAIN UNALTERED

CEILING ACT & GRID TO REMAIN UNALTERED

IF THE PORTION OF WALL UNDER THE THRESHOLD DOES NOT EXTEND DOWN TO THE STRUCTURAL DECK, REMOVE EXISTING IRVINE-TATE CONCORE / ALL STEEL 24"X 24" FLOOR PANEL SYSTEM AS DEPICTED TO ALLOW FOR THE CONSTRUCTION OF A PORTION OF WALL TYPE A. THE PORTION OF WALL WILL BE STC-50, LEVEL 4, AND EXTENDS FROM THE UNDERSIDE OF THE FLOOR PANEL ( UNDER THE DOOR THRESHOLD) DOWN TO THE TRUE FLOOR DECK. PANELS SHOULD BE REINSTALLED ONCE WALL

IS COMPLETED.

NEW ADA/ABA THRESHOLD INSTALLED ON TOP OF RAISED FLOOR PANEL AS PART OF THE STC-50

ASSEMBLY. DOOR BOTTOM REQUIRES FLUSH LEVEL SEALING SURFACE. ALUMINUM, OR

STAINLESS STEEL THRESHOLD RECOMMENDED. DO NOT SEAL AGAINST CARPET. FLOOR ANCHORS

TO BE FABRICATED OF SAME MATERIAL AS FRAME MATERIAL; MINIMUM 14 GA. WELD ANCHORS

INSIDE EACH JAMB FOR FLOOR ANCHORAGE.

AFTER THE PLASTER OR GWB IS REMOVED TO ENLARGE THE OPENING HEIGHT AND TO

EXPOSED THE STRUCTURAL LINTEL, THE ARCHITECT WILL DETERMINE IF THE NEW DOOR

FRAME HEADER CAN BE FASTENED TO THE EXISTING LINTEL OR IF MODIFICATIONS ARE

REQUIRED.

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

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AP

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MARK DATE DESCRIPTION

AGF

CE

RT

IFI

CA

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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

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

03/20/2026

NEW DOOR 5436 V-2

VESTIBULE RENOVATION & NEW DOOR

5TH FLOOR

5436-0026-03

4 APRIL 2026

100% SUBMISSION FOR REVIEW

FEDERAL OFFICE BUILDING

DOWN

DOWN

N

SW

SOUTH

COURTYARD

KE

Y

PL

AN

1 2 3 4 5

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED NO

RT

H

PROJECT LOCATION

1" =1'-0"

3"6"9" 6" 1' 2'

VESTIBULE FLOOR PANEL SYSTEMA-1

3/4" = 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 REMO- VAL 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 REPLA-

CED 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 INTRODUCING 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 WALLS TO REMAIN

EXISTING DOORS TO REMAIN

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

SYMBOLS LEGEND

XX

X-

A

NEW 1 3/4" ACOUSTIC STEEL DOOR & FRAME STC-50 SOUND GROUP 4

A

6 TYP

TYP

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

PORTION OF WALL UNDER THRESHOLD NEEDS TO BE CONSTRUCTED

EXISTING 24"x 24" CEILING ACT AND GRID TO REMAIN AS IS

VESTIBULE RCPA-3

3/4" = 1'-0"

3/4" =1'-0"

6"1' 6" 1' 2'

CL

2"

11 8"

3 34" RABBET

4"

2"

EQUAL EQUAL

8"

V.I.F.

CL

1 8"

1/ 4"3 16

8"

CL

2"

11 8"

3 34" RABBET

4"

2"

EQUAL EQUAL

1 8"

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-301

WALL TYPE A AND HEADER DETAILS

OF

R

EV

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MARK DATE DESCRIPTION

AGF

CE

RT

IFI

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TIO

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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

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

03/20/2026

NEW DOOR 5436 V-2

VESTIBULE RENOVATION & NEW DOOR

5TH FLOOR

5436-0026-03

4 APRIL 2026

100% SUBMISSION FOR REVIEW

FEDERAL OFFICE BUILDING

DOWN

DOWN

N

SW

SOUTH

COURTYARD

KE

Y

PL

AN

1 2 3 4 5

CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED NO

RT

H

PROJECT LOCATION

KEY NOTES

D-1 6" = 1'-0"

INSTALLATION OF THE STC-50 FRAME & STEEL DOOR / HEAD DETAIL A

FRAMED EXISTING WALL CONDITION

D-3 6" = 1'-0"

INSTALLATION OF THE STC-50 FRAME & STEEL DOOR / HEAD DETAIL A

MASONRY EXISTING WALL CONDITION

REMOVE OUTER MOST LAYER TO ENLARGE HEIGHT OF THE OPENING 1", AND EXPOSE OPENING HEADER RO ATTACH FRAME

IF WALL CONSTRUCTION CONSISTS OF STEEL STUDS AND GWB OR PLASTER (D-1), ANCHOR FRAME HEAD WITH 3/8" Ø FASTENERS TO MATCH THE JAMBS' FASTENERS @ 12" o.c.

IF WALL CONSTRUCTION IS MASONRY (D-2) INSTALL ADJUSTABLE MASONRY STRAPS ANCHORS @12" o.c.

NEW 1 3/4" ACOUSTIC STEEL DOOR & STEEL FRAME (14 GA MIN) STC-50 SOUND GROUP 4. STC-50 DOOR LEAF MUST BE PURCHASED AS A SET WITH THE DOOR FRAME. THE FRAME MUST HAVE ALL VOIDS IN THE HEAD AND JAMBS PACKED W/ 6 TO 12 LB DENSITY MINERAL WOOL. INSTALL DOOR AND HARDWARE AS PER DOOR AND HARDWARE SCHEDULES. JAMB ANCHORS TO BE FABRICATED OF SAME MATERIAL AS FRAME MATERIAL. WELD ANCHORS INSIDE EACH JAMB FOR WALL ANCHORAGE.

HARDWARE MUST MEET FEDERAL SPECIFICATION FF-L-2740 / UL 2050.

4" CLEAR POPLAR DOOR CASING AS DEPICTED. ALL JOINTS ARE TO BE SEALED WITH ACOUSTICAL CAULK.

2" CLEAR POPLAR DOOR CASING AS DEPICTED. ALL JOINTS ARE TO BE SEALED WITH ACOUSTICAL CAULK.

3/4" BLOCKING

ACOUSTICAL CAULK

SUPER H DOOR BOTTOM

1/4" ADA/ABA THRESHOLD INSTALLED ON TOP OF RAISED FLOOR PANEL AS PART OF THE STC-50 ASSEMBLY. DOOR BOTTOM REQUIRES FLUSH LEVEL SEALING SURFACE. ALUMINUM, OR STAINLESS STEEL THRESHOLD RECOMMENDED. DO NOT SEAL AGAINST CARPET. FLOOR ANCHORS TO BE FABRICATED OF SAME MATERIAL AS FRAME MATERIAL. MINIMUM 14 GA. WELD

ANCHORS INSIDE EACH JAMB FOR FLOOR ANCHORAGE.

IF THE PORTION OF WALL UNDER THE THRESHOLD DOES NOT EXTEND DOWN TO THE STRUCTURAL DECK, REMOVE EXISTING IRVINE-TATE CONCORE / ALL STEEL 24"X 24" FLOOR…