21-040-LAC_Replace-Roofs-Phase1_Final-Drawings_14.pdf
PDF 433 KB Posted
- Attached to
- FPCM-LAC-I001104-M035-RS
- Solicitation number
- 0000036277
- Issued by
- Los Angeles County, California
About this file
This is a mechanical/plumbing demolition roof plan drawing for the California State Prison, Los Angeles County (LAC) located in Lancaster, California, prepared by Turley Mechanical Engineering & Associates Group and Hibser Yamauchi Architects. The project involves a Phase 1 reroofing effort for multiple housing units (Buildings 331-349), with specific focus on removing and temporarily relocating existing mechanical equipment including air handling units (AHUs), air conditioning units, exhaust fans, water heaters, and various piping systems to facilitate roof replacement. The drawing is dated August 31, 2023, and includes detailed demolition notes for each type of existing roof equipment, with instructions for careful removal, labeling, protection, and potential reinstallation.
The document indicates that no as-built drawings were available, requiring contractors to field verify actual unit information for each building. Many air handling units were noted as leaking and requiring repair prior to reroofing. The project involves 33 exhaust fans, multiple AHUs, one air conditioning unit, and one water heater across the prison facility. The drawing has received approval from the Office of the State Fire Marshal on 10/10/23, with a final approval date of 11/20/2023. The project is being managed by the California Department of Corrections and Rehabilitation's Facility Planning, Construction and Management Division, with design services provided by Hibser Yamauchi Architects.
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Text version
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(E)AC-1
(E)AHU-1
(E)AHU-2
(E)AHU-3
(E)EF-1(E)EF-2 (E)EF-3 (E)EF-4
(E)EF-5
(E)EF-6 (E)EF-7 (E)EF-8 (E)EF-9
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Project Engineer:
U R L E YT M E C H A N IC A L
E N G I N E E R I N G
G R O U P, I N C.& ASSOCIATES
(916) 325-1065
FAX: (916) 325-1075
Email: office@turleymech.com
2431 Capitol Avenue
Sacramento, CA 95816
Project Manager:
GYang
Job Number:
Project Drafter: Login:
Plot Date: Aug 25, 2023 - 4:07pm
22107-PH1JT
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SHEET NUMBER
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DEMOLITION NOTES
GENERAL NOTES
D07 (E) EXHAUST FAN TO BE REMOVED FROM THE EXISTING CURB AND PROTECTED
TO ALLOW FOR THE REROOF. INSPECT EXISTING BACKDRAFT DAMPER AND
LUBRICATE AND CLEAN DAMPER. LABEL FAN (STENCIL PAINT 2" HIGH LETTERS)
BEFORE REMOVAL. LABEL WITH CORRESPONDING NUMBERS LISTED ON PLANS.
PHOTO SEE
D11 (E) SCUPPER CONDUCTOR HEAD, TR, PHOTO SEE
H
MP801
1. WHERE PIPE SIZES ARE DIFFERENT THAN SHOWN, MATCH (E)SIZES TO
MAINTAIN THE SAME PIPE SIZE AS EXISTING CONDITIONS.
2. FIELD VERIFY EXACT HEIGHT OF EACH (E) CURB. IF TOP (E)CURB IS EQUAL
TO OR MORE THAN 8" ABOVE NEW FINISHED ROOF TOP, (E)UNIT ON THE
CURD CAN BE REMAIN IN PLACE AND PROTECTED DURING
CONSTRUCTION. INSTALL (N)FLASHING ON (E)CURB AFTER REROOFING.
D08 (E) ROOF VENT PIPE PENETRATION TO REMAIN. REMOVE/REPLACE
(E)FLASHING, EXTEND VENT THRU ROOF DUE TO NEW INSULATION HEIGHT.
TOTAL 29 VENT ON ROOF WITHIN CONSTRUCTION AREA. PHOTO SEE
D10 (E) 12X6 SCUPPER OPENING FOR LOW ROOF, TR, PHOTO SEE
H
MP801
G
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D04 (E) SCUPPER OPENING FROM HIGH ROOM TO LOW ROOF, TBR, PHOTO SEE
B
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F
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D05 (E) AHU OR AC UNIT ON CURB TO BE TEMPORARILY REMOVED AND PROTECTED
TO ALLOW FOR THE REROOF. DISCONNECT ALL CONTROLS, PIPING, DRAINS,
AND DUCTING FOR REMOVAL. COORDINATE WITH CDCR REPRESENTATIVE FOR
CRANE IS REQUIRED TO MOVE UNIT. UNIT IS TO BE SET ON GROUND TO ALLOW
FOR NEW CURB ADAPTOR TO BE ADDED. LABEL UNIT (STENCIL PAINT 2" HIGH
LETTERS) BEFORE REMOVAL. LABEL WITH CORRESPONDING NUMBER ON PLAN.
SEE OR
C
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D
MP801
D19
N
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(E) WATER HEATER TO BE REMOVED FROM THE EXISTING CURB AND
PROTECTED TO ALLOW FOR THE REROOF. DISCONNECT ALL CONTROLS AND
PIPING PIPING, AND DRAIN TO EMPTY THE TANK FOR REMOVAL. LABEL UNIT
(STENCIL PAINT 2" HIGH LETTERS) BEFORE REMOVAL. LABEL WITH
CORRESPONDING NUMBER ON PLAN. SEE
D22 (E) DUCT THRU ROOF, TO BE TEMPORARY DISCONNECTED. FIELD MEASURE
DUCT SIZE. PHOTO SEE
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(E)36X24 DUCT ON ROOF, TO REMAIN. DISCONNECT AND TEMPORARILY
REMOVE DURING RE-ROOFING, PROTECT IN PLACE. DUCT WILL BE
REQUIRED TO BE ON NEW SUPPORT. REPLACE WITH (N) DUCT AT SAME SIZE
IF NECESSARY. SIZE TO BE FIELD VERIFIED AND RECORD, PHOTO SEE
D20
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(E) G, CW, HW, HWR UTR, TEMPORARY DISCONNECT DURING
CONSTRUCTION. PHOTO SEE
D21
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D13 (E) CONDENSATE DRAIN PIPING ON ROOF, TEMPORARY REMOVED DURING
CONSTRUCTION. REMOVE ALL PIPING SUPPORT. PHOTO SEE
I
MP801
D14 (E) CONDENSATE DRAIN PIPING (D)THRU ROOF, TR. PHOTO SEE
I
MP801
D15 (E) INDUSTRIAL COLD WATER PIPING ON ROOF, TEMPORARY REMOVED DURING
CONSTRUCTION. REMOVE ALL PIPING SUPPORT. PHOTO SEE
J
MP801
D16 (E) INDUSTRIAL COLD WATER PIPING (D)THRU ROOF, TR. PHOTO SEE
L
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D17 (E) MEDIUM PRESSURE NATURAL GAS PIPING ON ROOF, TEMPORARY REMOVED
DURING CONSTRUCTION. REMOVE ALL PIPING SUPPORT. PHOTO SEE
M
MP801
D16A (E) INDUSTRIAL COLD WATER PIPING PENETRATE INTO CURB, TEMPORARY
DISCONNECTED AND TO BE RE-ROUTED. PHOTO SEE
K
MP801
D18 (E) NATURAL GAS PIPING CONNECT TO AC OR AHU W/ PRESSURE REGULATOR.
TEMPORARY DISCONNECT DURING CONSTRUCTION. PHOTO SEE
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BUILDING 332 BUILDING 331
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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
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BUILDING 345
N N
N
N
BUILDING 348 BUILDING 349 BUILDING 3410
N N
N
(E)AHU-1 THRU 3 EXISTING HANDLING UNIT, "ENERGY LAB" UNIT W/
"REZNOR" NATURAL GAS FURNACE AND EVAP COOLER,
MODEL# AND DETAILED INFORMATION UNKNOWN.
(E)AC-1 EXISTING AIR CONDITIONING UNIT ON HIGH ROOF,
ROOF TOP UNIT W/ NATURAL GAS FURNACE,
MANUFACTURE, MODEL# AND DETAILED INFORMATION
UNKNOWN.
(E)EF-1 THRU 33 EXISTING EXHAUST FAN, UNIT MODEL# AND DETAILED
INFORMATION UNKNOWN.
(E)WH-1 EXISTING WATER HEATER ON HIGH ROOF.
"TURBOPOWER" LOW NOX CATEGORY I FAN-ASSISTED
STORAGE WATER HEATER, 500 LHE 250A-TPL, 250
GALLON, 399,000 BTU/HR NATURAL GAS INPUT,
4.5"-10.5" W.C. GAS INLET PRESSURE, 120V/1PH/60 HZ,
5AMPS.
NOTES:
1. NO AS-BUILT DRAWING FOR THE BUILDINGS. NAMEPLATE FOR
MOST UNITS CANNOT BE FOUND OR NOT READABLE. CONTRACTOR
SHALL FIELD VERIFY ACTUAL UNIT INFORMATION FOR EACH BUILDING.
2. MANY AHU'S WERE FOUND TO BE LEAKING. THEY MUST BE
REPAIRED PRIOR TO REROOFING.
EXISTING EQUIPMENT SCHEDULE
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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