21-040-LAC_Replace-Roofs-Phase1_Final-Drawings_42.pdf
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- Attached to
- FPCM-LAC-I001104-M035-RS
- Solicitation number
- 0000036277
- Issued by
- Los Angeles County, California
About this file
This document is a set of architectural drawings for the California Department of Corrections and Rehabilitation's roof replacement project at California State Prison, Los Angeles County (LAC) located in Lancaster, CA. The final drawings, dated August 31, 2023, detail specific roof and structural modifications including a stair cage, mechanical bird deterrent cage, and gun post area, with detailed plans for roofing surface replacements, flashing, and structural supports. The project is focused on Phase 1 of roof replacements, with precise scaled drawings showing elevations, sections, and plan views of various structural elements.
The drawings were approved by the Office of the State Fire Marshal on 10/10/23 with the project number 23-0002, and include technical specifications for roofing materials such as PVC roofing assembly, galvanized metal screens, and continuous caulking. The plans indicate careful preservation of existing structural elements like precast concrete walls, catwalk, and structural support framing, with specific instructions for new installations and modifications. The document includes detailed technical annotations for roof termination strips, flashing, and specific dimensional requirements, suggesting a highly technical and precise approach to the facility's infrastructure improvements.
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Text version
STAIR CAGE ENLARGED PLAN
SCALE: 1/2" = 1'-0"
TOP OF METAL COPING
ROOF FINISH
SURFACE
ATTACHMENT, SEE SECTION A
GALVANIZED
METAL SCREEN
(E) PRECAST
CONC. WALL
SECTION A
B
18'-6"
TOP OF (E) PARAPET
TOP OF (E) DECK
STAIR CAGE
FRAME PER
STRUCTURAL
STAIR CAGE
18'-6"
T.O. (E) PARAPET
ELEVATION - A
PLAN
7'-6"
STAIR CAGE FRAME
PER STRUCTURAL
STAIR CAGE DOOR
GALV. METAL ROOF
MATCH (E) SLOPE
STAIR CAGE DOOR
SECTION - B
GALV. METAL ROOF
MATCH (E) SLOPE
A
B
ELEVATION - B
DN
GALVANIZED
METAL SCREEN
BEYOND
(E) PRECAST
CONC. WALL
SECTION - C
C
/1
V E
R
IF
Y
(E) PRECAST
WALL BEYOND
REMOVE AND REINSTALL
STAIR CAGE FRAME PER
STRUCTURAL
(E) STAIR
(E) CONC.
DECK
T.O. (E) WALL
VERIFY
(N) CMU WALL
EXTENSION ,
ALIGN / FLUSH W/
T.O. (E) PARAPET
SEE DET.
A904
17'-1"
T.O CONC. SLAB
(E) STAIR C12
STRINGER
(E) METAL
GRATING
(E) ROOF
STRUCTURE
(E) CMU WALL
PVC ROOF
MEMBRANE
GUARDRAIL
BEYOND
(E) HANDRAIL
TO REMAIN
V A
R
IE
S
(E) HANDRAIL
TO REMAIN
18'-6"
T.O. (E) PARAPET
A
1.8 2
1.8 2
1.8 2 A
2 1.8
A
MECHANICAL BIRD DETERRENT CAGE ENLARGED PLAN
SCALE: 1/2" = 1'-0"
ROOF FINISH
SURFACE
GALVANIZED
METAL SCREEN
(E) PRECAST
CONC. WALL
B
BIRD CAGE
T.O. (E) PARAPET
T.O. (E) PARAPET
ELEVATION - A
PLAN
CAGE FRAME
PER STRUCTURAL
CAGE DOOR
GALV. SHEET METAL ROOF
MATCH (E) SLOPE
MECH BIRD CAGE DOOR
SECTION - B
A
MECH UNIT
LADDER
OPEN
PARAPET
14'-0" (VERIFY)
(E) FRAME
B
STAIR
PLAN
A
B
(N) PVC ROOFING
ASSEMBLY, SEE DETAIL
(E) PRECAST CONCRETE WALL TO REMAIN
(E) CONCRETE PLANK W/ CONCRETE TOPPING
V E
R
IF
Y
SECTION - 1
(N) PVC ROOFING
ASSEMBLY, SEE DETAIL
A900
(E) CONCRETE WALL
T.O.(E) CONC. DECK
AT LOW ROOF
(E) ROOF DECKING
GUN POST
SCALE: 1/2" = 1'-0"
(E) CATWALK
C
D
1 1.8
1 1.8
(E) GUN POST
TO REMAIN.
A900
GUN POST
(E) STRUCTURAL
SUPPORT FRAMING
TO REMAIN
18'-6"
T.O.(E) PRECAST CONC.
WALL
TERMINATION
STRIP AT (E)
COPING,
SEE DETAIL
(N) VERTICAL FULLY
ADHERED FLASHING
TERMINATION STRIP AT COPING
SCALE: 3'-0" = 1'-0"
(E) PARAPET
(E) GSM COPING CAP
(N) FASTENERS
(N) CONT CAULKING, TYP.
(N) 22 GA GSM
COUNTER FLASHING
CONT. ALUMINUM TERMINATION
BAR W/ FASTENER
KEEP (E) VERTICAL MEMBRANE
IF EXISTS. OVERLAP NEW
MEMBRANE FLASHING WITH
CONT. TERMINATION BAR.
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OFFICE OF THE STATE FIRE MARSHAL
shall be available on the project site at all times.
10/10/23
APPROVED FIRE AND PANIC ONLY
Approval of this plan does not authorize or approve any omission or deviation from applicable regulations. Final approval is subject to field inspection. One set of approved plans
23-0002
11/20/2023 CASp-491 #1317
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