P-1112 Drawing Updates 2026-04-29.pdf
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- Solicitation number
- N4008526R0005
About this file
These are architectural drawing sheets for the Portsmouth Naval Shipyard B72 Resiliency Improvements project located in Kittery, Maine, under Contract Number TBD P-1112. The drawings provide specifications for partition, ceiling, and roof construction types, along with enlarged reflected ceiling plans (RCP) for specific rooms.
The partition types specified include concrete masonry unit (CMU) walls ranging from 8 to 12 inches nominal thickness with 2-hour fire ratings, cold-formed metal framing with 2-hour fire ratings, and gypsum board assemblies with fire ratings from 2 to 3 hours using UL-classified materials. All fire-resistance rated partitions must extend to the underside of the metal floor/roof deck with penetrations and voids firestopped per specification requirements. Gypsum board used in fire-resistance rated partitions must bear UL Classification markings. The roof type includes standing seam metal roof panels, purlins, insulation layers with minimum R-5 thermal blocks, and a 4-inch vertical insulated metal panel system with minimum R-26 insulation. The exterior wall assembly (Type FR) features 2 3/8-inch concrete faced rigid insulation board (R-10), 8-inch concrete backup walls, 8-inch cold-formed steel girts, and primary steel building frames. Ceiling Type 1 incorporates 1-inch gypsum liner panel with gypsum board layup and acoustic insulation. The enlarged RCP drawings detail lighting locations, fire dampers for duct penetrations, framed openings, and coiling door provisions for Pump Rooms B and S, Rooms C and M, with specific dimensional callouts and cross-references to related drawing sheets (A-300, A-301, A-602, AD101).
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1. WALL TYPES LISTED REPRESENT SEVERAL TYPES OF WALL
CONSTRUCTION, ALL OF WHICH MAY NOT BE USED ON THIS PROJECT.
REFER TO FLOOR PLANS FOR WALL TYPE DESIGNATIONS.
2. SEE STRUCTURAL DRAWINGS FOR LOAD BEARING WALLS.
3. EXTEND ALL METAL STUDS AND GYPSUM BOARD TO UNDERSIDE OF
DECK.
4. GYPSUM BOARD USED IN A ONE, TWO, OR THREE HOUR FIRE-
RESISTANCE RATED PARTITION MUST BEAR THE U.L. CLASSIFICATION
MARKING.
5. SEE ROOM FINISH SCHEDULE FOR WALL AND CEILING FINISHES.
FIRE-RESISTANCE RATED CONSTRUCTION:
1. ALL FIRE-RESISTANCE RATED PARTITIONS RESIST THE PASSAGE OF
SMOKE AND ARE CONSIDERED SMOKE RESISTANT WITHOUT THE
ASTERISK DESIGNATION. EXTEND ALL FIRE-RESISTANCE RATED
PARTITIONS TO THE UNDERSIDE OF METAL FLOOR/ROOF DECK AND/OR
STRUCTURE ABOVE. PENETRATIONS AND VOIDS SHALL BE FIRESTOPPED
IN ACCORDANCE WITH SPECIFICATION SECTION "FIRESTOPPING". ALL
HEAD-OF-WALL JOINTS AND FLOOR-TO-WALL JOINTS SHALL BE SEALED
IN ACCORDANCE WITH SPECIFICATION SECTION "FIRE-RESISTIVE JOINT
SYSTEMS."
WALL TYPEX
12'-0" A.F.F.
(HEIGHT OF WALL IF APPLICABLE,
IF NO DIMENSION, THEN WALL IS
TO UNDERSIDE OF DECK)
MARK
CORE
SIZE
CMU
THICK CMU HEIGHT
TOTAL
THICK
ACOUSTIC
INSUL
FIRE RATING / UL
DESIGN NO.
1A 8"
NOM
NOFULL HEIGHT 7 5/8"
8"
NOM
CMU WALLS1
PLAN
SECTION
2 HR - U905
2 6" COLD-FORMED METAL FRAMING
PLAN
SECTION
1B 12"
NOM
NOFULL HEIGHT 11 5/8"
12"
NOM
2 HR - U905
MARK
CORE
SIZE
GWB
THICK GWB HEIGHT
TOTAL
THICK
ACOUSTIC
INSUL
FIRE RATING / UL
DESIGN NO.
2 6" YESFULL HEIGHT 7 3/4"
(2) 5/8"
UL U415
PLAN
SECTION
MARK
CORE
SIZE
GWB
THICK
GWB
HEIGHT
TOTAL
THICK
ACOUSTIC
INSUL
FIRE RATING / UL
DESIGN NO.
2 LAYERS (5/8") GYPSUM
PANEL (UL TYPE SCX)
METAL CH STUD
PLAN
SECTION
MARK
CORE
SIZE
GWB
THICK GWB HEIGHT
TOTAL
THICK
ACOUSTIC
INSUL
FIRE RATING / UL
DESIGN NO.
4 3 1/2" NOFULL HEIGHT 5 1/4"
5/8"
4" CH METAL STUD - 1 LAYER GWB - 1 SIDE
2HR/ UL415 UL
SYSTEM B
2' - 0"
1"
1 LAYER (1") GYPSUM LINER
PANEL (UL TYPE SLX)
2 LAYERS GWB
METAL STUDCONCRETE MASONRY
UNIT (CMU BLOCK) WALL
2 1/2"
2 1/2" METAL STUD - 3 LAYER GWB - EACH SIDE
5/8"
FULL
HEIGHT
6 1/4" YES 3HR - UL419
3 LAYERS (5/8") GYPSUM
PANEL (UL TYPE SCX)
METAL STUD
3 LAYERS (5/8") GYPSUM
PANEL (UL TYPE SCX)
CONCRETE MASONRY
REINFORCING. SEE
STRUCTURAL DWGS.
- REFER TO S506 FOR REINFORCING AND GROUTING
REQUIREMENTS
2 LAYERS FRP
STANDING SEAM MTL
ROOF PANEL BY MTL
BLDG MANUF
PURLIN ROOF
STRUCTURE /
INSULATION LAYER
UPPER INSULATION
LAYER W/ THERMAL
BLOCKS, MIN R-5
THERMAL BLOCKS
LOWER WALL ASSEMBLY
EXTERIOR
• 2 3/8" CONCRETE FACED RIGID
INSULATION BOARD (R-10)
• 8" CONCRETE BACK-UP WALL
• 1/2" A-C PLYWOOD , FRTW
UPPER WALL ASSEMBLY
EXTERIOR
4" VERTICAL INSULATED METAL PANEL, MIN R-26,
BRAKE METAL TRIM, BY MBM
• 8" COLD FORMED STEEL GIRTS
• PRIMARY STEEL BUILDING FRAME, BY PEMB
8" CONCRETE BACK-
UP WALL
4" VERTICAL
INSULATED
METAL PANEL
8" COLD
FORMED STEEL
GIRTS BY PEMB
STRUCT. LINE
2 3/8" CONCRETE
FACED RIGID
INSULATION BOARD
EXTERIOR WALL ASSEMBLIES:
TYPE FR
1/4" FRP
1/2" SHEATHING
1x3 FURRING AT 12" O.C.
EACH WAY
APPROVED
SEAL
A
B
C
D
1 2 3 4 5
1 2 3 4 5
A
B
C
D
CHECKED BY
DRAWFORM REVISION: 25 AUGUST 2020
DESIGN MANAGER
PROJECT MANAGER
DESIGN DIRECTOR
FIRE PROTECTION
UNCLASSIFIED
UNCLASSIFIED
U N
C
LA
S S
IF
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SCALE: 1 1/2" = 1'-0"
R1
ROOF TYPE 1
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SCALE: 1 1/2" = 1'-0"
C1
CEILING TYPE 1
B
A-300
C
A-300
NEW LIGHTING. TYP
EX.A
EX.B
EX.2EX.1
CEILING TYPE
C1
3'
/2
9'
3'
/2
2' - 9 1/2"7' - 6"7' - 5"3' - 5 1/2"
53.1
D
I
D
A-300
B
A-301
A
A-301
A
A-301
A
A-300
EXISTING LIGHTS
NEW CRANE SYSTEM.
SEE STRUCTURAL
DWGS
NEW OVERHEAD
COILING DOOR
LIGHTING. SEE
MEP DWGS
G
NEW FRAMED
OPENING. SEE MEP
DWGS.
NEW FRAMED OPENING.
SEE MEP DWGS.
LIGHTING. SEE
MEP DWGS
B
A-602
4 4.8 7.2
J
H
5.2
C
B
A
1HR RATED AREA
A
AD101
B
AD101
C
A-301
D
A-301
LIGHTING. SEE
MEP DWGS
3'
/2
8'
8'
8'
3'
5' - 3 1/2"9' - 1 1/2"9' - 4"9' - 6 1/2"5' - 5"
2HR FIRE DAMPER FOR
DUCT PENETRATION
PROVIDE 2-HOUR FIRE
RATED INTUMESCENT
COATING AT PRIMARY
STEEL FRAMES AND
COLUMNS. TYP.
APPROVED
SEAL
A
B
C
D
1 2 3 4 5
1 2 3 4 5
A
B
C
D
CHECKED BY
DRAWFORM REVISION: 25 AUGUST 2020
DESIGN MANAGER
PROJECT MANAGER
DESIGN DIRECTOR
FIRE PROTECTION
UNCLASSIFIED
UNCLASSIFIED
U N
C
LA
S S
IF
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P A
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M S
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SHEET OF
EPROJECT NO.:
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P
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T S
M O
U T
H
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FOR COMMANDER NAVFAC
SATISFACTORY TO DATE
ACTIVITY
DRAWN BY
DESIGNER
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SCALE: 1/4" = 1'-0"
B
ENLARGED RCP - ROOM M
SCALE: 1/4" = 1'-0"
A
ENLARGED RCP - PUMP ROOMS B & S, ROOMS C & M
SCALE: 1/4" = 1'-0"
C
ENLARGED RCP - ROOM C
S Y
M D
E S
C R
IP
T
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N
D A
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A P
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4/
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| Sheets |
| A-003 - PARTITION, CEILING AND ROOF TYPES |
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