21-040-LAC_Replace-Roofs-Phase1_Final-Drawings_43.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 a roof replacement project at California State Prison, Los Angeles County (LAC), prepared by the California Department of Corrections and Rehabilitation's Facility Planning, Construction and Management Division. The drawings, dated August 31, 2023, detail specific roof and bird deterrent system modifications for Phase 1 of the roof replacement project located at 44750 60th Street West in Lancaster, California. The plans include detailed technical drawings for 2nd level roof bird deterrent systems, stair cage modifications, metal ladder installations, and roofing assembly details, with specific focus on reinstalling existing components, extending walls, and implementing new roofing materials.
The project drawings have been approved by the Office of the State Fire Marshal on 10/10/23 with the approval number 23-0002, and include specific technical specifications such as galvanized metal screens, precast concrete wall treatments, metal ladder gratings, and new PVC roofing assemblies. The drawings indicate careful preservation and selective replacement of existing structural elements, with precise measurements and installation guidelines for components like metal coping caps, termination bars, and stair cage reinstallation. The technical drawings provide a comprehensive blueprint for systematic roof and infrastructure improvements at the correctional facility, emphasizing structural integrity, safety, and functional upgrades.
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Text version
2ND LEVEL / ROOF BIRD DETERRENT ENLARGED PLAN
SCALE: 1/2" = 1'-0"
GALVANIZED
METAL SCREEN
(E) PRECAST
CONC. WALL
BIRD CAGE
T.O. (E) PARAPET
PLAN
MECH BIRD CAGE DOOR
MECH UNIT
LADDER
OPEN
PARAPET
14'-0" (VERIFY)
(E) FRAME
V E R
IF
Y
12'-0 1/2"17'-4 5/8" 10'-4"
VERIFY
(E) PRECAST
CONC. WALL
RE-USE AND OR REPLACE
(E) BIRD SCREEN FABRIC AS REQUIRED.
T.O. (E) 2ND LEVEL FLR
T.O. (E) PRECAST PANEL
RE-USE AND OR REPLACE
(E) METAL FRAME
(E) FRAME TO REMAIN,
FABRICS TO BE REMOVED
AND REINSTALL OR
REPLACED AS REQUIRED.
(E) PLATFORM TO REMAIN.
REMOVE AND REINSTALL
PARTIAL PLATFORM MESH AS
REQUIRED FOR NEW ROOF
MEMBRANE, FLASHING AND
METAL COPING INSTALLATION.
2ND LEVEL / ROOF BIRD DETERRENT SECTION
SCALE: 1/2" = 1'-0"
RAILING
M
A X
MATCH (E)
24"
METAL LADDER GRATING
FIXED METAL LADDER
SCALE: 1" = 1'-0"
(V
IF
PLAN
A - ELEVATION
1-1/2" Ø GALVANIZED
STEEL PIPE HANDRAIL
2" DIA GALV STUD PIPE
1-1/2" Ø GALVANIZED
STEEL PIPE HANDRAIL
M A X
FLASHING,
SEE DETAIL
(N) 6X6X1
4" STEEL PLATE
W/ 3/8" X 1-5/8" HILTI
KWIK EZ SCREW ANCHOR
(4 PER PLATE), TYP.
A902
2" DIA
STUD PIPE
(E) CONCRETE DECK
(N) PVC ROOF
ASSEMBLY,
SEE DETAIL
A900
3'-0"
B - SECTION
M A X
12"
RE-USE (E)
METAL GRATING
LANDING
RE-USE (E)
C5 x 9 STRINGER
RE-USE (E)
METAL GRATING
LANDING
2'-0"
STAIR CAGE ON CMU WALL/CURB EXTENSION
SCALE: 3" = 1'-0"
(N) PVC ROOFING
ASSEMBLY, SEE DETAIL
A900
(N) 22 GA GALV. S.M.
COPING CAP, SEE DETAIL
A902
(E) PRECAST CONCRETE
WALL TO REMAIN
(E) CONCRETE PLANK W/
CONCRETE TOPPING
(E) CONC. PLANK
(E) CONC.
TOPPING SLAB
TOP OF (E) DECK
REINSTALL (E) STAIR CAGE
(N) CMU WALL EXTENSION
HSS FRAME, S.S.D.
SLOPE DN
1/2":1'-0"
8"
(N) TERMINATION BAR & FASTENER BY
ROOFING MFR.
A904
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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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