21-040-LAC_Replace-Roofs-Phase1_Final-Drawings_24.pdf
PDF 454 KB Posted
- Attached to
- FPCM-LAC-I001104-M035-RS
- Solicitation number
- 0000036277
- Issued by
- Los Angeles County, California
About this file
This document is a mechanical/plumbing roof plan demolition 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 roof replacement for Facility A, Building 334, with detailed demolition plans for mechanical and plumbing infrastructure. The drawings are dated August 31, 2023, and include comprehensive notes for removing and protecting existing roof equipment such as exhaust fans, air handling units, air conditioning units, water heaters, duct work, piping, and various roof penetrations.
The document provides an extensive existing equipment schedule noting that many units lack complete documentation, and contractors will be required to field verify actual unit information for each building. The project involves temporary disconnection and protection of multiple mechanical systems, with specific instructions for removing and reinstalling equipment during the reroofing process. The drawings have received approval from the Office of the State Fire Marshal on 10/10/23, with a final approval date of 11/20/2023, and include a California Certified Access Specialist (CASp) certification number. The project appears to be part of a state-level facility maintenance and improvement initiative focusing on infrastructure renewal at the California State Prison.
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(E)19X12SA
(D)FROM (E)AC-2
ABOVE, TR
(E)19X12RA
(R)TO (E)AC-2
ABOVE, TR
118 9 10
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
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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
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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
O
MP801
(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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D05A SAME AS , INSTALLED IN PROTECTION PLATEFORM. PHOTO SEE. SEED05
D01 (E) ROOF DRAIN AND OVERFLOW DRAIN, TBR, OCCUR AT HU 346 AND HU 347 ONLY.
PHOTO SEE A
MP801
(E) G, CW, HW, HWR UTR, TEMPORARY DISCONNECT DURING
CONSTRUCTION. PHOTO SEE
D21
N
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D13 (E) CONDENSATE DRAIN PIPING ON ROOF, TEMPORARY REMOVED DURING
CONSTRUCTION. REMOVE ALL PIPING SUPPORT. PHOTO SEE
I
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D14 (E) CONDENSATE DRAIN PIPING (D)THRU ROOF, TR. PHOTO SEE
I
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D15 (E) INDUSTRIAL COLD WATER PIPING ON ROOF, TEMPORARY REMOVED DURING
CONSTRUCTION. REMOVE ALL PIPING SUPPORT. PHOTO SEE
J
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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
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D16A (E) INDUSTRIAL COLD WATER PIPING PENETRATE INTO CURB, TEMPORARY
DISCONNECTED AND TO BE RE-ROUTED. PHOTO SEE
K
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D18 (E) NATURAL GAS PIPING CONNECT TO AC OR AHU W/ PRESSURE REGULATOR.
TEMPORARY DISCONNECT DURING CONSTRUCTION. PHOTO SEE
M
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A
MP802
(E) DUCT ON LOW 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
D23
B
MP802
(E)AHU-1 THRU 3 EXISTING HANDLING UNIT, "REZNOR" UNIT W/ 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)AC-2 EXISTING AIR CONDITIONING UNIT IN CAGE, ROOF TOP
UNIT, "INTERNATIONAL COMFORT PRODUCTS" MODEL
NUMBER PGB0350LHG, 90,000 BTU/HR NATURAL GAS
INPUT, 71,000 BTU/HR OUTPUT, OTHER 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
N N
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 .