21-040-LAC_Replace-Roofs-Phase1_Final-Drawings_17.pdf
PDF 2 MB Posted
- Attached to
- FPCM-LAC-I001104-M035-RS
- Solicitation number
- 0000036277
- Issued by
- Los Angeles County, California
About this file
This document is an electrical demolition plan sheet (EA201) for a roof replacement project at the California State Prison, Los Angeles County (LAC) located in Lancaster, California. The project involves replacing roofs for Phase 1, specifically focusing on the Typical 270 Housing Unit roof, and includes detailed electrical demolition instructions for multiple buildings (Buildings 331-349). The drawings are dated August 29, 2023, with working drawings prepared by M. Neil Engineering and approved by the California Department of Corrections and Rehabilitation's Facility Planning, Construction and Management Division.
The electrical demolition plan provides comprehensive technical specifications for managing existing electrical infrastructure during roof repairs, including specific instructions for disconnecting mechanical units, replacing non-GFCI receptacles, removing and replacing conduits and junction boxes, and maintaining fire alarm and control systems. Key requirements include placing existing electrical circuits in a "safe-off" condition, removing portions of existing conduits necessary for re-roofing, and ensuring that all replacements match existing wiring sizes, quantities, and types. The document includes seven numbered notes detailing precise requirements for electrical work, emphasizing circuit continuity, equipment preservation, and systematic replacement of electrical components.
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Text version
3 6 7 9 1110
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(E) 3/4" CONDUIT UP
THROUGH ROOF
(E)
(R)
(E) (3) 3/4" CONDUITS
IN PITCH POCKET
(E) 1-1/2" CONDUIT UP
THROUGH ROOF
(E) (3) 3/4" CONDUITS
IN PITCH POCKET
(E) (2) 3/4" CONDUITS
IN PITCH POCKET
J
(E) (3) 3/4" CONDUITS
UP THROUGH ROOF
TO DUCT DETECTORS
AND CONTROLS
(E) 3/4" CONDUIT UP
THROUGH ROOF TO
J-BOX
(R)
(E) CONTROL
PANELS
(E) 1-1/2" CONDUIT UP
THROUGH ROOF
(E) (4) 3/4" CONDUITS
UP THROUGH ROOF
(E) MAIN CIRCUIT
BREAKER
DISCONNECT
J
(R)
(E) CONTROL
PANELS
(E) MAIN CIRCUIT
BREAKER
DISCONNECT
(E) 1-1/2" CONDUIT UP
THROUGH ROOF
(E) (4) 3/4" CONDUITS
UP THROUGH ROOF
(E) (3) 3/4" CONDUITS
UP THROUGH ROOF
TO DUCT DETECTORS
AND CONTROLS
(E) 3/4" CONDUIT UP
THROUGH ROOF TO
J-BOX
(E) (3) 3/4" CONDUITS
UP THROUGH ROOF
TO DUCT DETECTORS
AND CONTROLS
J
(E) 3/4" CONDUIT UP
THROUGH ROOF TO
J-BOX
(R)
(E) 1-1/2" CONDUIT UP
THROUGH ROOF
(E) (4) 3/4" CONDUITS
UP THROUGH ROOF
(E) CONTROL
PANELS
(E) MAIN CIRCUIT
BREAKER
DISCONNECT
EXISTING MECHANICAL UNIT TO BE DISCONNECTED FOR ROOF REPAIR. COORDINATE WITH
MECHANICAL. REINSTALL USING NEW ELECTRICAL CONDUIT, CONDUCTORS AND DEVICES.
CONDUIT SIZE, WIRING SIZE, QUANTITY AND TYPE SHALL MATCH EXISTING. SEE REMODEL PLAN
"1/EA301".
EXISTING NON-GFCI RECEPTACLE TO BE REPLACED. SEE REMODEL PLAN "1/EA301".
NUMBERED NOTES
GENERAL NOTES
1. PLACE ALL EXISTING ELECTRICAL CIRCUITS FEEDING EXISTING HVAC AND ELECTRICAL EQUIPMENT ON
ROOFTOP IN A "SAFE-OFF" CONDITION, PRIOR TO CONSTRUCTION. NO NEW LOADS ADDED TO
CIRCUITS.
2. REMOVE PORTIONS OF EXISTING CONDUITS AND WIRING NECESSARY TO RE-ROOF EXISTING
BUILDING.
3. DO NOT DAMAGE DURING CONSTRUCTION AND REUSE ALL EXISTING CIRCUITS, PROVIDE NEW HVAC DISCONNECTS, PROVIDE NEW WEATHERPROOF GFCI SERVICE RECEPTACLES TO REPLACE EXISTING
RECEPTACLES FOR REMODEL.
4. REMOVE EXISTING JUNCTION BOXES AND FLEX CONDUITS BACK TO ROOF PENETRATION POINT, AND DO NOT REUSE. REPLACE ALL ABOVE ROOF CONDUITS WITH NEW - WIRING SIZE, QUANTITY AND TYPE SHALL MATCH EXISTING. SPLICE IN POWER WIRING IS NOT ACCEPTABLE. NEW CONTROL WIRING TO HVAC EQUIPMENT MAY ONLY BE INSTALLED FOR THE RUN FROM THE EQUIPMENT CONTROL PANEL TO
THE NEAREST EXISTING TERMINATION POINT OR SPLICE LOCATION. INSTALL NEW EMT WITH
COMPRESSION FITTINGS AND LIQUID-TIGHT METAL CONDUIT TERMINATION AT THE MECHANICAL
EQUIPMENT .
5. DO NOT DAMAGE HVAC DUCTS WITH DUCT DETECTORS. MAINTAIN FIRE ALARM DEVICE AND CIRCUIT
DURING CONSTRUCTION.
6. DO NOT DAMAGE WP SERVICE RECEPTACLE BACK BOXES. REMOVE ANCHORING, AS NEEDED, TO
ALLOW MOVEMENT DURING ROOFING REPAIR. MAINTAIN CIRCUIT CONTINUITY AND RECEPTACLE
FUNCTIONALITY AFTER CONSTRUCTION.
7. REPLACE JUNCTION BOXES. REPLACEMENT BOX TO MATCH EXISTING TYPE AND SIZE.
SHEET NUMBER
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Electrical Engineers Lighting Designers
100 Howe Ave., Suite 235N
Sacramento, CA 95825-8217
PROJECT #:
www.mneilsengineering.com
Tel: (916) 923-4400
PROJECT MGR: Stuart LinGsa\
21318.21
08/29/2023
R E P L A C E R
O O
F S
P H
A S E
A U G
U S T
W O
R K
IN
G D
R A W
IN
G
S
1/8"=1'-0"
TYPICAL 270 HOUSING UNIT ROOF PLAN - DEMOLITION - ELECTRICAL1
EA201
EA201
T Y P
IC
A L
H
O U
S
IN
G U
N
IT
R O
O F P
L A
N D
E M
O L
IT
IO
N
E L E C
T R
IC
A L
5'
1/8" = 1'-0"
0 25'10' 15' 20'
GRAPHIC SCALE
BUILDING 332 BUILDING 331
N
N N
BUILDING 333 BUILDING 335
N
BUILDING 336 BUILDING 337 BUILDING 338 BUILDING 339 BUILDING 3310 BUILDING 341 BUILDING 342 BUILDING 343 BUILDING 344
N
N N N
N
N
BUILDING 345
N N
N
N
BUILDING 348 BUILDING 349 BUILDING 3410
N N
N
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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