MT Vault 9 Installation of New Doors dated 6-6-26 (1).pdf
PDF 26 MB Posted
- Attached to
- CRAC Vault 9 Main Treasury Federal contract opportunity
- Solicitation number
- 2032H326R00017
About this file
This file is an architectural drawing package for the MT Vault 9 Installation of New Doors project at a Federal Office Building in Washington, DC. The drawings, dated June 6, 2026, and prepared by Meridien Group LLC, provide detailed specifications for enlarging two door openings in Vault 9 and installing new STC-50 rated acoustic doors to meet secure space requirements per ICD/ICS 705 standards.
The work scope includes: (1) enlarging the LAN room entry opening and the LAN room vestibule opening to accommodate 44-inch-wide doors; (2) installing two new STC-50 Sound Group 4, 60-minute fire-rated door assemblies with 1¾-inch acoustic steel door leaves and 14-gauge minimum steel frames packed with 6-12 lb density mineral wool; (3) constructing new STC-50 compliant wall sections using 3⅝-inch 16-gauge steel studs at 16 inches on center with 3½-inch Rockwool insulation, two layers of ⅝-inch gypsum wallboard on each side, and continuous acoustic sealant at all intersections; (4) providing door hardware meeting Federal Specification FF-L-2740/UL 2050 including commercial Grade 1 hardware, high-security key cylinders, automatic non-hold door closers, thresholds, perimeter seals, and automatic door bottoms; (5) installing a new CDX10 lock in the LAN room with key override and reinstalling the existing card reader; (6) removing and reinstalling existing Irvine-Tate Concore/All Steel 24-inch by 24-inch floor panels and existing acoustic ceiling tiles; and (7) performing all necessary demolition, protection of existing conditions, cleanup, and compliance with applicable building codes including the International Building Code, NFPA standards, and the Architectural Barriers Act. All materials must be USA-made, and work must be completed in a continuous time period with temporary secure wall and door protection during construction to maintain physical security of the vault space.
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| QAs.pdf | ||
| A001.pdf | ||
| Corporate Experience Worksheet.docx | DOCX document | |
| WD.pdf | ||
| Schedule 26PRSSP0238.docx | DOCX document | |
| APU No. 26-01 - Attachment 1 - Fillable.pdf | ||
| 2032H326R00017.pdf | ||
| MT Vault-9 ME drawings dated 3-19-2026.pdf | ||
| APU No. 26-01 - Attachment 2 - Fillable.pdf |
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Text version
G- 001
FEDERAL OFFICE BUILDING
DRAWING INDEX
GENERAL
ARCHITECTURAL
G-001 COVER SHEET 01 OF 20
G-002 NOTES, ABBREVIATIONS, AND SYMBOLS 02 OF 20
G-003 PHYSICAL AND TECHNICAL SECURITY STANDARDS 03 OF 20
AD 101 EXISTING & DEMOLITION FLOOR PLAN, FLOOR PANELS, AND RCP 04 OF 20
A-101 NEW WORK FLOOR PLAN 05 OF 20
A-102 NEW WORK FLOOR PANELS AND RCP 06 OF 20
A-301 WALL TYPE A 07 OF 20
A-302 WALL TYPE B 08 OF 20
A-303 WALL TYPES C AND D 09 OF 20
A-501 WALL FRAMING DETAILS 10 OF 20
A-502 FLOOR PANEL SYSTEM ALTERATIONS DETAILS 11 OF 20
A-503 STC-50 -DOOR DETAILS (DOOR FRAME F-1 & LEAF TYPE A) 12 OF 20
A-504 STC-50 DOOR DETAILS (DOOR FRAME F-2 & LEAF TYPE B) 13 OF 20
A-601 FINISHES NOTES AND SCHEDULE 14 OF 20
A-602 DOOR SCHEDULE AND DOOR ELEVATIONS 15 OF 20
A-603 HARDWARE SCHEDULE AND ELEVATIONS 16 OF 20
A-701 BASIS OF DESIGN CUT SHEETS DOOR AND HARDWARE 17 OF 20
A-702 BASIS OF DESIGN CUT SHEETS DOOR AND HARDWARE 18 OF 20
A-703 BASIS OF DESIGN CUT SHEETS DOOR AND HARDWARE 19 OF 20
A-704 BASIS OF DESIGN CUT SHEETS FRAMING COMPONENTS 20 OF 20
COVER SHEET
100% submission-REV
06-06-2026
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 ENLARGE THE LAN ROOM ENTRY OPENING AND THE OPENING OF THE LAN ROOM VESTIBULE
B. A 44" WIDE DOOR WILL BE INSTALLED IN EACH OPENING. ADDITIONALLY, THE DOOR INTO THE LAN ROOM WILL BE STC-50 LEVEL 4. BOTH DOORS WILL BE EQUIPPED WITH HARDWARE AS PER THE CONSTRUCTION DOCUMENTS, INCLUDING A X-10
LOCK WITH KEY OVERRIDE IN THE LAN ROOM. THE EXISTING CARD READER WILL BE REUSED.
C. IF NEEDED, A SECTION OF STC-50 SOUND GROUP 4 WALL WILL BE CONSTRUCTED UNDER THE NEW THRESHOLD
N
W
PROJECT INFORMATION
WORK DESCRIPTION
REVIEW COMMENTS / NOTES
VAULT 9
BASEMENT
NO
RT
H
VAULT 9 INSTALLATION OF NEW DOORS
VESTIBULE 5436
E
S
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
04/01/2026
BASEMENT
V9_26_003
FEDERAL OFFICE BUILDING
KE
Y
PL
AN
1 2 3 4 5
CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED
NEW DOORS VAULT 9
STORAGE AND IT ROOM NEW DOORS
NORTH
06 JUNE 2026
100% - REV SUBMISSION FOR REVIEW
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
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
NOTES, SYMBOLS AND ABBREVIATIONS
OF
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MARK DATE DESCRIPTION
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
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
04/01/2026
BASEMENT
V9_26_003
FEDERAL OFFICE BUILDING
KE
Y
PL
AN
1 2 3 4 5
CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED
NEW DOORS VAULT 9
STORAGE AND IT ROOM NEW DOORS
NORTH
06 JUNE 2026
100% - REV SUBMISSION FOR REVIEW
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
OF
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HI
C
SC
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MARK DATE DESCRIPTION
AGF
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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
04/01/2026
BASEMENT
V9_26_003
FEDERAL OFFICE BUILDING
KE
Y
PL
AN
1 2 3 4 5
CAUTION: IF THIS DRAWING IS A REDUCTION THIS GRAPHIC SCALE MUST BE USED
NEW DOORS VAULT 9
STORAGE AND IT ROOM NEW DOORS
NORTH
06 JUNE 2026
100% - REV SUBMISSION FOR REVIEW
VAULT 8
OPEN OFFICE
V9-1
V9-2 VAULT 9
COMPUTER ROOM
VAULT 9
LAN ROOM
3' -0
± 61 8"
5"
1' -4
3'-0"
R .O
R.O.
1"
1" 4'-5"
6'-0"
4' -5
CARD READERIDS
TELEPHONE
EMERGENCY LIGHT PACK
1'-4"
EDGE MASONRY SOFFIT
VAULT 8
OPEN OFFICE
VAULT 9
COMPUTER ROOM
VAULT 9
LAN ROOM
4' -5
4'-5"
R .O
R.O.
VAULT 8
OPEN OFFICE
VAULT 9
COMPUTER ROOM
VAULT 9
LAN ROOM
HEADER
@ 7'-2"
4'-5"
4' -5
R
.O
R.O.
BOTTOM OF ACT @ 7'-6"
BOTTOM OF STRUCTURAL DECK @ 8'-5"
EDGE MASONRY SOFFIT
BOTTOM OF SOFFIT @ ± 6'-11"
EXISTING AND DEMOLITION FLOOR PLANC-1
1/2" = 1'-0"
GENERAL NOTES
DEMOLITION NOTES
1 ENLARGE THE OPENING AS DEPICTED FROM THE FLOOR DECK UP TO CEILING DECK.
DO NOT CUT EXISTING HEAD OR BASE TRACKS. LOWER SECTION OF EXISTING WALL
UNDER DOOR THRESHOLD MIGHT BE SALVAGEABLE PROVIDING THAT IT MEETS ALL
STC-50 REQUIREMENTS AS PER ICD/ICS 705.
REMOVE EXISTING FLOOR SYSTEM PANELS AS DEPICTED AND KEEP THEM ON SITE
UNTIL JOB IS COMPLETED, AT WHICH TIME THEY WILL BE REINSTALLED. DO NOT
DISCARD FINISH FLOORING MATERIAL UNLESS DIRECTED BY COR.
REMOVE CEILING ACT AND GRID AS NEEDED. EXAMINE THE TILES AND KEEP ALL ACT
IN GOOD CONDITION ON SITE UNTIL THE JOB IS COMPLETED, AT WHICH TIME THE
TILES WILL BE REINSTALLED. DAMAGED AND SOILED TILES ARE TO BE DISCARDED.
REMOVE EXISTING DOORS, FRAMES AND HARDWARE. RETURN TO FACILITIES
TO REMAIN IN PLACE AS IS
MOVE TO THE SIDE OF THE NEW OPENING
DISTURB THIS SIDE OF THE WALL ONLY TO REMOVE THE FRAME.
IT HAS NOT BEEN ASCERTAINED IF THE WALL EXTENDS DOWN TO THE STRUCTURAL
DECK UNDER THE RAISED FLOOR PANEL SYSTEM . SINCE ENTIRE WALL NEEDS TO
COMPLY WITH STC-50 REQUIREMENTS, IT MUST EXTEND DOWN TO THE DECK.
DEPENDING ON WHAT IS DISCOVERED DURING THE DEMOLITION PHASE, THE FLOOR
PANELS WILL HAVE TO BE ALTERED OR NOT.
REMOVE GWB TO ALLOW FOR THE INSTALLATION OF INSULATION
KEY NOTES
PROTECT EXISTING WALLS AND REPAIR IF DAMAGED AS NEEDED
PHYSICAL SECURITY TO DETERMINE IF FROM DEMO TO COMPLETION, ONCE THE
CONSTRUCTION OF WALL AND INSTALLATION OF NEW DOORS START, IT MUST BE
COMPLETED WITHIN A CONTINUOUS TIME PERIOD SPECIFIED PRIOR TO STARTING
THE DEMOLITION. PROVIDE TEMPORARY SECURE WALL AND DOOR WHILE WORK IS
IN PROGRESS.
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 0
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 BE REMOVED
EXISTING IRVINE-TATE CONCORE / ALL STEEL 24"x 24" FLOOR PANEL SYSTEM TO REMAIN
EXISTING 24"x 24" CEILING ACT AND GRID TO REMAIN AS IS
SYMBOLS LEGEND
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)
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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
04/01/2026
BASEMENT
V9_26_003
06 JUNE 2026
100% - REV 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
NEW DOORS VAULT 9
STORAGE AND IT ROOM NEW DOORS
PROJECT LOCATION
NORTH
EXISTING 24"x 24" CEILING ACT AND GRID TO BE MODIFIED
8 8 8
8 8 8
9 9
EXISTING IRVINE-TATE CONCORE / ALL STEEL 24"x 24" FLOOR PANEL TO BE REMOVED TO
ALLOW FOR EXISTING WALL DEMOLITION AND CONSTRUCTION OF THE NEW PORTIONS OF
WALL. PANELS TO REMAIN ON SITE UNTIL CONSTRUCTION IS COMPLETED. REINSTALL AFTER
COMPLETION
UNALTERED
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text
VAULT 9
COMPUTER ROOM
VAULT 9
LAN ROOM
D O
O R
R .O
4' -5
V9-2
VAULT 8
OPEN OFFICE
'-5
DOOR R.O.
V9 -1
3' -1
1"
3'-11"
4'-5"
VAULT 9 VESTIBULE WITH NEW DOORSA-1
1" = 1'-0"
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
1" =1'-0"
3"6"9" 6" 1' 2'
OF
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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
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
04/01/2026
BASEMENT
V9_26_003
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
NEW DOORS VAULT 9
STORAGE AND IT ROOM NEW DOORS
PROJECT LOCATION
NORTH
06 JUNE 2026
100% - REV SUBMISSION FOR REVIEW
GENERAL NOTES
KEY NOTES
INSTALL 3-5/8" x 3" CLARK DIETRICH 362HD300-97 (12 GA) JAMBS AT EITHER END OF THE ENLARGED OPENING CENTERED ON THE WALL, FROM THE TOP OF THE STRUCTURAL DECK TO THE UNDER- SIDE OF THE OPENING HEADER. FASTEN NEW FRAMING MEMBERS TO THE EXISTING FRAMING STUDS W/ (2) # 10-16 SCREWS @ 12" O.C. OR AS RECOMMENDED BY STEEL MANUFACTURER. ADDITIONAL STUDS MIGHT BE NEEDED IF THERE IS A GAP BETWEEN THE EXISTING FRAMING AND THE PROPOSED NEW JAMB.
INSTALL (2) LAYERS OF 5/8" GWB TYPE X AT EACH SIDE OF NEW JAMB 362HD300-97 FROM TOP OF THE FLOOR DECK TO THE BOTTOM
OF THE CEILING DECK TO MATCH WALL THICKNESS
AFTER ENLARGING THE OPENING, FILL THE UNDERSIDE OF THE THRESHOLD WITH AN STC-50 ASSEMBLY (TYPE A) FROM THE TOP OF THE EXISTING BASE TRACK (DO NOT CUT BASE TRACK) UP TO THE UNDERSIDE OF THE FLOOR PANEL. FRAMING WILL CONSIST OF 3-5/8", 16 GA STEEL STUDS @ 16" O.C. FILL WALL 3 1/2" ROCKWOOL INSULATION AND INSTALL (2) LAYERS OF 3/4" PLYWOOD ON EACH SIDE OF THE WALL. PROVIDE A CONTINUOUS BEAD OF ACOUSTICAL CAULK AT ALL INTERSECTIONS W/ OTHER SURFACES
(HORIZONTAL OR VERTICAL).
INSTALL A 3-5/8" x 3" CLARK DIETRICH 362HDS300-97 (12 GA) LINTEL SUPPORTED WITH A 3-1/2" x 3" CLARK DIETRICH 350HDSC300-97 (12 GA) HEADER BRACKET. HEADER BRACKET TO BE FASTENED TO HDS JAMB AS REQUIRED BY DESIGN WITH (4) #10-16 SCREWS TO
HEAD AND (4) #10-16 SCREWS TO JAMB
UPPER SECTION OF WALL TO BE FRAMED FROM THE EXISTING HEAD TRACK DOWN TO THE NEW LINTEL WITH 3-5/8" 16GA STEEL STUDS @ 16" O.C. DO NOT CUT HEAD TRACK. FILL WALL 3 1/2" ROCKWOOL INSULATION AND (2) LAYERS OF 5/8" GWB TYPE X ON EACH SIDE OF WALL. PROVIDE A CONTINUOUS BEAD OF ACOUSTICAL CAULK AT ALL INTERSECTIONS W/ OTHER SURFACES (HORIZONTAL OR VERTICAL). WALL MUST BE UNIFORMLY FINISHED ON BOTH SIDES FULL HEIGHT. FINAL ASSEMBLY MUST COMPLY WITH STC-50
REQUIREMENTS
NEW STC-50 SOUND GROUP 4, 60 MIN FIRE RATED DOOR ASSEMBLY AS PER DOOR SCHEDULE. ASSEMBLY MUST INCLUDE A 1 3/4" ACOUSTIC STEEL DOOR LEAF TYPE A & STEEL FRAME (14 GA MIN) TYPE F-1. THE FRAME MUST HAVE ALL VOIDS IN THE HEAD AND JAMBS PACKED W/ 6 TO 12 LB DENSITY MINERAL WOOL. STC-50 DOOR LEAF AND FRAME MUST BE PURCHASED AS A SET.
JAMB ANCHORS TO BE FABRICATED OF SAME MATERIAL AS FRAME MATERIAL. WELD ANCHORS INSIDE EACH JAMB FOR WALL ANCHORAGE. DOOR HARDWARE AS PER HARDWARE SCHEDULES MEETING FEDERAL SPECIFICATION FF-L-2740 / UL 2050 INCLUDING, BUT NOT LIMITED TO, COMMERCIAL GRADE 1 HARDWARE FITTED WITH HIGH SECURITY KEY CYLINDERS IN COMPLIANCE WITH UL 437, AUTOMATIC NON-HOLD OPEN DOOR CLOSER, THRESHOLD, PERIMETER SEALS, AND AUTOMATIC DOOR BOTTOM / SWEEPS. PROVIDE LOCKSETS THAT ARE AMERICAN NATIONAL STANDARDS INSTITUTE /BUILDERS HARDWARE MANUFACTURERS ASSOCIATION ANSI/BHMA A156.13, SERIES 1000, GRADE 1, MORTISE. PROVIDE LOCK CORES COMPATIBLE WITH THE EXISTING BUILDING-WIDE KEYING SYSTEM. PROVIDE NEW CDX10 LOCK AND REINSTALL CARD READER (IF IT WAS MOVED). HARDWARE TO BE INSTALLED BY
DOOR MANUFACTURER
NEW ADA/ABA THRESHOLD INSTALLED ON TOP OF RAISED FLOOR PANEL AS PART OF THE DOOR ASSEMBLY. DOOR BOTTOM REQUIRES FLUSH LEVEL SEALING SURFACE. ALUMINUM, OR STAINLESS STEEL THRESHOLD IS RECOMMENDED. FLOOR ANCHORS TO BE FABRICATED OF SAME MATERIAL AS FRAME MATERIAL; MINIMUM 14 GA. WELD ANCHORS INSIDE EACH JAMB FOR FLOOR
ANCHORAGE.
NEW STC-50 SOUND GROUP 4, DOOR ASSEMBLY AS PER DOOR SCHEDULE. ASSEMBLY MUST INCLUDE A 1 3/4" ACOUSTIC STEEL DOOR LEAF TYPE B & STEEL FRAME (14 GA MIN) TYPE F-2. THE FRAME MUST HAVE ALL VOIDS IN THE HEAD AND JAMBS PACKED W/ 6 TO 12 LB DENSITY MINERAL WOOL. STC-50 DOOR LEAF AND FRAME MUST BE PURCHASED AS A SET.
JAMB ANCHORS TO BE FABRICATED OF SAME MATERIAL AS FRAME MATERIAL. WELD ANCHORS INSIDE EACH JAMB FOR WALL ANCHORAGE. DOOR HARDWARE AS PER HARDWARE SCHEDULES MEETING FEDERAL SPECIFICATION FF-L-2740 / UL 2050 INCLUDING, BUT NOT LIMITED TO, COMMERCIAL GRADE 1 HARDWARE FITTED WITH HIGH SECURITY KEY CYLINDERS IN COMPLIANCE WITH UL 437, AUTOMATIC NON-HOLD OPEN DOOR CLOSER, THRESHOLD, PERIMETER SEALS, AND AUTOMATIC DOOR BOTTOM / SWEEPS. PROVIDE LOCKSETS THAT ARE AMERICAN NATIONAL STANDARDS INSTITUTE /BUILDERS HARDWARE MANUFACTURERS ASSOCIATION ANSI/BHMA A156.13, SERIES 1000, GRADE 1, MORTISE. PROVIDE LOCK CORES COMPATIBLE WITH THE EXISTING BUILDING-WIDE
KEYING SYSTEM. HARDWARE TO BE INSTALLED BY DOOR MANUFACTURER
REMOVE EXISTING IRVINE-TATE CONCORE / ALL STEEL 24" X 24" FLOOR PANEL SYSTEM AS DEPICTED TO ALLOW FOR THE CONSTRUCTION OF THE WALL. KEEP PANELS ON SITE AND REINSTALL AFTER THE WALL IS COMPLETED. CUT PANELS WITHIN 1/16"
OFF THE WALL ON EACH SIDE
INSTALL (1) LAYER OF 5/8" GWB TYPE X AT THE OFFICE SIDE OF NEW JAMB 362HD300-97 FROM TOP OF THE FLOOR DECK TO THE
BOTTOM OF THE MASONRY SOFFIT.
ADD (3) LAYERS OF 5/8" GWB TYPE X TO THE ENTIRE WALL (STORAGE SIDE) FROM TOP OF THE FLOOR DECK TO THE BOTTOM OF THE
MASONRY SOFFIT, FOR THE WALL ASSEMBLY TO MEET STC-50 REQUIREMENTS.
3 1/2" ROCKWOOL ACOUSTICAL FIRE BATT INSULATION OR EQUAL FULL HEIGHT OF WALL CAVITY. MATERIAL MUST BE FASTENED IN
SUCH WAY AS TO PREVENT IT FROM SLIDING DOWN, LEAVING A VOID AT THE TOP.
IT HAS NOT BEEN ASCERTAINED IF THE EXISTING WALL EXTENDS DOWN TO THE STRUCTURAL DECK UNDER THE RAISED FLOOR PANEL SYSTEM OR NOT. SINCE THE ENTIRE WALL NEEDS TO COMPLY WITH STC-50 REQUIREMENTS, IT MUST EXTEND DOWN TO THE
DECK. WALL TYPES C AND D PRESENT THE TWO CONDITIONS
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 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 INTRODUCING DUST
INTO THE SYSTEM. (REMOVED COVERS MUST BE REINSTALLED AT END…
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