21-040-LAC_Replace-Roofs-Phase1_Final-Drawings_38.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 electrical drawing is for the California Department of Corrections and Rehabilitation (CDCR) roof replacement project at the California State Prison in Los Angeles County, located in Lancaster, CA. The document specifically details the electrical roof plan remodel for Buildings 346 and 347, which are 270 Housing Unit buildings. The project involves extensive electrical system modifications, including extending and reconnecting existing electrical circuits, replacing conduits and wiring, installing new junction boxes, and updating electrical equipment such as disconnects, manual starters, and receptacles.
The electrical plan emphasizes maintaining existing circuit continuity and equipment functionality while updating infrastructure. Key requirements include replacing above-roof conduits and wiring with new materials, ensuring wire sizes and types match existing specifications, and installing new weatherproof junction boxes and watertight flexible conduits. The project drawings are dated August 29, 2023, with working drawings submitted on August 31, 2023, and have received approval from the Office of the State Fire Marshal on October 10, 2023. The engineering work was completed by M. Neil Engineering in Sacramento, with the project number 21318.21 and a site-specific project number of 5843.1.
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Text version
(E) 3/4" CONDUIT UP
THROUGH ROOF
(E)
(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) 3/4" CONDUIT UP
THROUGH ROOF TO
J-BOX
(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
WP
(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) 3/4" CONDUIT UP
THROUGH ROOF TO
J-BOX
J
(E) 3/4" CONDUIT UP
THROUGH ROOF TO
J-BOX
(E) 1-1/2" CONDUIT UP
THROUGH ROOF
(E) (4) 3/4" CONDUITS
UP THROUGH ROOF
(E) CONTROL
PANELS
(E) MAIN CIRCUIT
BREAKER
DISCONNECT
(E) (3) 3/4" CONDUITS
UP THROUGH ROOF
TO DUCT DETECTORS
AND CONTROLS
3 (E) (3) 3/4" CONDUITS
UP THROUGH ROOF
TO DUCT DETECTORS
AND CONTROLS
(E) (3) 3/4" CONDUITS
UP THROUGH ROOF
TO DUCT DETECTORS
AND CONTROLS
1 61.8 2 3 4 5 7 118 9 10
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B
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1 111.8 2 3 4 5 6 7 8 9 105.7 7.3
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RIDGE
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1/ 2" :1 '-0
NUMBERED NOTES
GENERAL NOTES
1. EXTEND EXISTING CIRCUITS, WIRING AND CONDUITS AND RECONNECT TO EXISTING RELOCATED
MECHANICAL, LIGHTING AND ELECTRICAL EQUIPMENT. REUSE SAME CIRCUIT TO FEED SAME
MECHANICAL AND ELECTRICAL EQUIPMENT, AS PRIOR TO CONSTRUCTION. MAINTAIN EXISTING
CIRCUIT CONTINUITY AND EQUIPMENT FUNCTIONALITY. ALL ABOVE ROOF CONDUIT AND WIRING MUST BE REPLACED WITH NEW . WIRE 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
FLEXIBLE METAL CONDUIT TERMINATION AT THE MECHANICAL EQUIPMENT.
2. REPLACE EXISTING DISCONNECT/MANUAL STARTERS WITH NEW TO FEED SAME HVAC, AS PRIOR TO
CONSTRUCTION. NEW DISCONNECT/STARTER TO MATCH EXISTING TYPE, VOLTAGE, PHASE, AND
CURRENT RATING. REPLACE ALL EXISTING WEATHERPROOF GFCI SERVICE RECEPTACLES WITH NEW
WP/WR/GFCI RECEPTACLES THAT ARE TO CURRENT CODE.
3. PROVIDE NEW WEATHERPROOF, NEMA 3R JUNCTION BOXES AND WATERTIGHT FLEX CONDUITS FOR EACH MECHANICAL AND ELECTRICAL EQUIPMENT. KEEP EXISTING CONDUIT PENETRATIONS AT THE
SAME LOCATIONS AS PRIOR TO CONSTRUCTION.
4. PROVIDE BLOCKING AND CHANNELS TO CONDUIT RACEWAY AS NEEDED ON ROOFTOP. COORDINATE
WITH MECHANICAL AND PLUMBING CONTRACTORS FOR JOINT USE BLOCKING. SEE "2/E9.001"
REINSTALLED MECHANICAL UNIT. RECONNECT EXISTING POWER AFTER ROOFING REPLACEMENT.
SEE DETAIL "1/E9.001" ON SHEET E9.001.
REPLACE EXISTING RECEPTACLE WITH NEW GFCI, WEATHER PROOF, WEATHER RESISTANT
RECEPTACLE.
LOCATE AND INTERCEPT EXISTING CIRCUIT AND CONTROLS BELOW ROOF DECK. SPLICE AND
EXTEND TO RAISED EQUIPMENT AND RE-CONNECT. TYPICAL FOR ALL MECHANICAL UNITS
MOUNTED ON RAISED ROOF.
PROVIDE NEW GFCI, WEATHER PROOF, WEATHER RESISTANT RECEPTACLE WITH METAL
WHILE-IN-USE COVER. CONNECT TO THE EXISTING ROOF RECEPTACLE CIRCUIT.
ALL CONDUIT RUN EXPOSED ON THE ROOF SHALL BE SUPPORTED PER DETAIL "2/E9.001".
SUPPORT SPACING SHALL BE PER DETAIL "2/E9.001", NOTES 1 AND 2.
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"
270 HOUSING UNIT BLDGS 346-347 ROOF PLAN - REMODEL - ELECTRICAL1
EC301
EC301
H
O U
S
IN
G U
N
IT
B L D
G S
-3
R
O O
F P
L A
N R
E M
O D
E L
E L E C
T R
IC
A L
5'
1/8" = 1'-0"
0 25'10' 15' 20'
GRAPHIC SCALE
N
N
BUILDING 347BUILDING 346
V1
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
File details come from the government source that posted it. Updated .