123_AE444_R1_AMENDMENT 010.pdf
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- Solicitation number
- N6247026R0012
About this file
Summary of Stair Details Architectural Drawing
This is an architectural drawing document containing detailed construction specifications and design details for stairways at Building 60 of Portsmouth Naval Shipyard in Kittery, Maine. The drawing was prepared by the Naval Facilities Engineering Systems Command (NAVFAC) and is classified as Unclassified. The project number is 1740579, with the final submission dated October 1, 2025, and Amendment 010 dated March 20, 2026.
The drawing provides comprehensive stair construction details including typical tread specifications (11-inch depth with abrasive cast metal safety nosing), handrail configurations (1-1/2 inch diameter metal handrails with painted finish), guardrail systems (1-1/2 inch by 1-1/2 inch metal guardrails with 1/2 inch by 1/2 inch balusters at 4-inch on-center spacing), and landing details. Key structural components specified include concrete-filled metal pan stairs, steel channel stringers, steel landing supports, and sanitary coves. The drawing includes multiple scaled detail views (ranging from 6 inches equals 1 foot to 1 1/2 inches equals 1 foot), with all metal components to be painted and all welds to be ground smooth. Additional specifications call for metal wall brackets with anchor bolts, floor anchors, and coordination with the stair manufacturer for landing support installation.
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Text version
SANITARY COVE (TYP)
CONC FILLED METAL PAN STAIR (TYP)
1/2"x1/2" METAL BALUSTER AT
4" OC, PNT (TYP)
1-1/2" x 1-1/2" METAL GUARDRAIL, PNT
ABRASIVE CAST METAL SAFETY
NOSING (TYP)
FLOORING (SEE ROOM FINISH
SCHEDULE)
2' -1
0"
3' -6
B4
AE444
C L
STL CHANNEL LANDING SUPPORT
STL CHANNEL STRINGER
1-1/2" DIA MTL HANDRAIL, PNT -
RETURN TO GUARDRAIL POST
2 1/4" (MIN)
1 1/2"
2' -1
0"
3' -6
2 1/4"
4" (MAX)(TYP)
4" (M
A X
C L
STL BEAM, PNT
1-1/2" x 1-1/2" METAL GUARDRAIL
(PNT)
1-1/2" DIA MTL HANDRAIL (PNT) -
RETURN TO GUARDRAIL POST
1/2" x 1/2" METAL
BALUSTER AT 4" OC,
PNT (TYP)
CONC SLAB - SEE STRUCTURAL SHEETS
5'-0 3/4" 2 1/4"
1" (TYP)
TREAD
11"
RAIL SUPPORT AT 4'-0" OC
(MAX), PNT (TYP)
1 1/2" DIA MTL HANDRAIL,
PNT
SANITARY COVE
STEEL STRINGER PNT
CONC FILLED MTL PAN STAIR
(TYP)
2' -1
0"
11"
ABRASIVE CAST METAL
SAFETY NOSING (TYP)
FLOOR ANCHOR
RETURN TO 1/2" FROM WALL
C5
AE444
FLOORING (SEE ROOM FINISH
SCHEDULE)
AE444
A1
(TYP)
1-1/2" x 1-1/2" METAL
GUARDRAIL, PNT
1/2"x1/2" METAL BALUSTER
AT 4" OC, PNT (TYP)
FLOORING (SEE ROOM FINISH
SCHEDULE)
2' -1
0"
11"
1' -0
RETURN HANDRAIL TO
GUARDRAIL, WELD AND GRIND
SMOOTH (TYP)
B4
AE444
3'
6"
1-1/2" DIA MTL
HANDRAIL, PNT
COVER PLATE-GRIND WELDS
SMOOTH, PNT
CHANNEL BEHIND POST
HSS 1 1/2" x 1 1/2"
GUARDRAIL TURNED
DOWN
2' -1
0"
3' -6
VARIES
1 1/2"
2 1/4" (MIN)
A4
AE444
C L
ANCHOR BOLT, PNT (TYP)
MTL WALL BRACKET, PNT
1-1/2" DIA MTL HANDRAIL, PNT
ANCHOR BOLT, PNT (TYP)
MTL WALL BRACKET, PNT
SECTION
TYPICAL
ELEVATION
1-1/2" MIN
STL STRINGER
GRIND ALL WELDS SMOOTH, PNT
1-1/2" x 1-1/2" GUARDRAIL (ABOVE)
1 1/2"2 1/4"
1 1/2"
1-1/2" DIA MTL HANDRAIL, PNT
VARIES
1 1/2" DIA MTL HANDRAIL, PNT
CLOSURE PLATES
BETWEEN CHANNELS
ABRASIVE CAST METAL
SAFETY NOSING (TYP)
SANITARY COVE (TYP)
CONC FILLED MTL PAN STAIR
(TYP)
1/2"x1/2" METAL BALUSTER
AT 4" OC, PNT (TYP)
BAR BRACKETS AT EACH
1-1/2" POST
SEE FLOOR PLAN FOR
WALL TYPE
2 1/2" LIGHTWEIGHT CONC
FILLED MTL DECK LANDING
STEEL LANDING SUPPORTS
BY STAIR MANUFACTURER
A5
AE444
STL ANGLE
CLOSURE, PNT
1/2" x 1/2" MTL BALUSTER, PNT
1 1/2" X 1-1/2" MTL GUARDRAIL
POST, PNT
STL CHANNEL, PNT
CONC FILLED MTL PAN STAIR
TREAD
WELD AND GRIND SMOOTH (TYP)
3/8" DIA BAR AT EACH POST
1-1/2" x 1-1/2" MTL GUARDRAIL POST, PNT
1-1/2" DIA MTL HANDRAIL, PNT
3' -6
2' -1
0"
1-1/2" x 1-1/2" MTL GUARDRAIL, PNT
STL ANGLE CLOSURE, PNT
1-1/2" x 1-1/2" MTL GUARDRAIL, PNT
2 1/4" (MIN)
1 1/2"
1-1/2" MIN 11
GYP BD WALL,
PNT
1-1/2" DIA MTL
HANDRAIL, PNT
RETURN TO 1/2"
FROM WALL
2' -1
0"
CONC FILLED
METAL PAN STAIR
LANDING
1' - 0"
C5
AE444
C L
NOTE: ABRASIVE CAST METAL SAFETY
NOSING AT EACH TREAD AND LANDING (TYP)
METAL PAN RISER
CAST IN PLACE ABRASIVE
CAST METAL SAFETY NOSING
WITH INTEGRAL ANCHORS
(FULL LENGTH OF STEP)
CONCRETE FILLED METAL
PAN STAIR TREAD
METAL TREAD NOSING
4"
2"
ALIGN
C O
O R
D
IN
A T
E W
IT
H
M
A N
U F
A C
T U
R E
R
SATISFACTORY TO DATE
APPROVED
FOR COMMANDER NAVFAC
SEAL
A
B
C
D
1 2 3 4 5
1 2 3 4 5
A
B
C
D
SHEET
NAVFAC DRAWING NO.
DESIGNER
DRAWN BY
CHECKED BY
OF
EPROJECT NO.:
D E
P A
R T
M E
N T
O F
T H
E N
A V
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A V
A L F
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G S
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T E
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C O
M M
A N
D
DRAWFORM REVISION: 14 SEP 2023
DESIGN MANAGER
PROJECT MANAGER
FEAD/PM&E
FIRE PROTECTION
N A
V A
L F
A C
IL
IT
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UNCLASSIFIED
UNCLASSIFIED
U N
C L
A S
S
IF
IE
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ACTIVITY
1740579
T. CARLETON
L. LYONS
S. RUCINSKI
/2
/2
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A E
SCALE: 1" = 1'-0" (AE442)
D3
STAIR TOP FLOOR
LEVEL LANDING DETAIL (TYP)
SCALE: 1" = 1'-0" (AE440)
C4
STAIR TOP LANDING DETAIL (TYP)
SCALE: 1" = 1'-0" (AE442)
A3
STAIR RUN DETAIL (TYP)
SCALE: 1" = 1'-0" (AE442)
B3
STAIR BOTTOM LANDING (TYP)
SCALE: 1" = 1'-0" (AE444)
A5
STAIR RAILING ELEVATION (TYP)
SCALE: 1" = 1'-0" (AE444)
C5
STAIR RAILING DETAIL (TYP)
SCALE: 1 1/2" = 1'-0" (AE444)
A4
STAIR DETAIL (TYP)
SCALE: 1" = 1'-0" (AE442)
C2
STAIR LANDING DETAIL (TYP)
SCALE: 1 1/2" = 1'-0" (AE444)
B4
STAIR LANDING FLOOR LEVEL
EDGE DETAIL (TYP)
SCALE: 1" = 1'-0" (AE442)
A2
STAIR HANDRAIL DETAIL (TYP)
SCALE: 6" = 1'-0" (AE444)
A1
TYP TREAD DETAIL
6" = 1' - 0" 0 4" 6"2"1"
1" = 1' - 0" 0 6" 1' 3'2'
1 1/2" = 1' - 0" 0 6" 1' 2'3" 9"
GRAPHIC SCALE(S)
C L
M A
R K
D E
S C
R
IP
T
IO
N D
A T
E A
P P
R
F
IN
A L
S U
B M
IS
S
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N
/0
1/
R
S H
A
M E
N D
M E
N T
/2
0/
R
S H
| Sheets |
| AE105 - SECOND FLOOR PLAN |
| AE401 - ENLARGED FIRST FLOOR TOILET ROOM AND INTERIOR ELEVATION |
| AE402 - ENLARGED SECOND FLOOR TOILET ROOM PLANS AND ELEVATIONS |
| AE441 - ENLARGED STAIR PLANS 2 |
| AE444 - STAIR DETAILS |
| AE511 - METAL PANEL DETAILS |
| AE601 - DOOR SCHEDULE AND DETAILS |
| AE640 - ROOM FINISH SCHEDULE |
| SP101 - STRUCTURAL PROTECTION PART PLAN AND DETAILS |
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