21-040-LAC_Replace-Roofs-Phase1_Final-Drawings_25.pdf
PDF 437 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 roof remodel 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 Phase 1 roof replacement for Facility A, Buildings 334, with working drawings dated August 31, 2023. The document details comprehensive roof remodeling work including re-installing existing air conditioning units, air handling units, exhaust fans, water heaters, and associated mechanical and plumbing infrastructure on new raised curbs and platforms. The project includes 33 existing exhaust fans, multiple air conditioning and handling units, and a water heater, with specific instructions for reconnecting controls, piping, drains, and ducting.
The drawings have been approved by the California Department of Corrections and Rehabilitation's Facility Planning, Construction and Management Division, with Fire and Panic approval from the Office of the State Fire Marshal on 10/10/23. The project requires detailed field verification of existing equipment specifications, with contractors instructed to verify actual unit information for each building. Specific technical requirements include maintaining existing pipe sizes, matching existing gas pipe materials, and ensuring proper installation of new flashing and curb adaptors. The documents highlight that many air handling units were found to be leaking and must be repaired prior to reroofing, emphasizing the comprehensive nature of the infrastructure maintenance and upgrade work.
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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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(E)WH-1
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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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GENERAL NOTES
05A RE-INSTALLED AC UNIT ON RAISED PLATEFORM. RECONNECT ALL CONTROLS,
PIPING, DRAINGS AND DUCTING. VERIFY DUCT SIZE. GAS PIPE CONNECTION
DETAIL SEE , CONDENSATE DRAIN CONNECTION SEE
16A (E) INDUSTRIAL COLD WATER PIPING PENETRATE INTO CURB, TEMPORARY
DISCONNECTED, RE-ROUTED AND RECONNECTED. DETAIL SEE
18 RECONNECT (E) NATURAL GAS PIPING CONNECT TO AC OR AHU W/ (E)PRESSURE
REGULATOR. DETAIL SEE
RE-INSTALL (E) AHU ON (N) RAISED CURB. RECONNECT ALL CONTROLS, PIPING,
DRAINS AND DUCTING. PROVIDE EXACT MEASUREMENTS OF CURB FOR THE
ADDITION OF A CURB EXTENDER. VERIFY DUCT SIZE. MOUNTING DETAIL SEE
, PIPING (GAS, WATER AND DRAIN) CONNECTION SEE
05 RE-INSTALL (E) AC UNIT ON (N) RAISED CURB. RECONNECT ALL CONTROLS,
PIPING, DRAINGS AND DUCTING. VERIFY DUCT SIZE. PROVIDE EXACT
MEASUREMENTS OF CURB FOR THE ADDITION OF A CURB ADAPTOR. MOUNTING
DETAIL SEE , GAS PIPE CONNECTION DETAIL SEE ,
CONDENSATE DRAIN CONNECTION SEE
RE-INSTALL (E) EXHAUST FAN ON (N) RAISED CURB, PROVIDE EXACT
MEASUREMENTS OF CURB FOR THE ADDITION OF A CURB ADAPTOR. SEE
DETAIL
(N) PLUMBING VENT PIPE @ (E) PENETRATION, TOTAL 29 VENT ON ROOF WITHIN
CONSTRUCTION AREA. RAISE VENT TO MAINTAIN REQUIRED DISTANCE FROM
TOP OF VENT TO TOP OF ROOF. DETAIL SEE
(E) CONDENSATE DRAIN (D) THRU ROOF, RECONNECTED, PROVIDE NEW FLASHING
AND NEW OFFSET. DETAIL SEE
(E) CONDENSATE DRAIN PIPING, TO BE REINSTALLED. PROVIDE NECESSARY
OFFSET FOR NEW HEIGHT OF CURB. NEW PIPE SIZE IS TO MATCH EXISTING.
REPLACE (E)PIPING WITH SAME SIZE (N)PIPING IS ACCEPTABLE. PIPE SUPPORT
DETAIL SEE
(E) INDUSTRIAL COLD WATER PIPING, TO BE REINSTALLED. PROVIDE NECESSARY
OFFSET FOR NEW HEIGHT OF CURB. NEW PIPE SIZE IS TO MATCH EXISTING.
REPLACE (E)PIPING WITH SAME SIZE (N)PIPING IS ACCEPTABLE. PIPE SUPPORT
DETAIL SEE
(E) INDUSTRIAL COLD WATER PIPE (R) THRU ROOF, RECONNECTED, PROVIDE NEW
FLASHING AND NEW OFFSET. DETAIL SEE
(E) MEDIUM PRESSURE NATURAL GAS PIPING, TO BE REINSTALLED. PROVIDE
NECESSARY OFFSET FOR NEW HEIGHT OF CURB. NEW PIPE SIZE IS TO MATCH
EXISTING. REPLACE (E)PIPING WITH SAME SIZE (N)PIPING IS ACCEPTABLE. PIPE
SUPPORT DETAIL SEE
G
MP501
H,I
MP501
A
MP502
E
MP501
H
MP501
I
MP501
A
MP501
B
MP501
C
MP501
F
MP501
D
MP501
F
MP501
C
MP502
D
MP501
H
MP501
H
MP501
I
MP501
23 (E) DUCTWORK ON LOW ROOF, REINSTALLED AND PROVIDE NEW DUCT
SUPPORT. DETAIL SEE
D
MP502
MPB301
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(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
REMODEL NOTES
1. PROVIDE START UP OF ALL EQUIPMENT TO ENSURE IT IS OPERATING
PROPERLY. SEE GENERAL MECHANICAL/PLUMBING NOTES ON MP001.
2. WHERE SIZES ARE LARGER THAN SHOWN, MATCH (E)SIZES TO
MAINTAIN THE SAME SIZE AS EXISTING CONDITIONS.
3. FIELD VERIFY EXISTING GAS PIPE MATERIAL AT EACH BUILDING.
MATERIAL OF NEW GAS PIPING AND FITTINGS SHALL MATCH EXISTING
PIPING MATERIAL.
4. 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.
(E) G, CW, HW, HWR UTR, RECONNECTED, PROVIDE (N)CURB ADAPTOR FOR
MULTIPLE PIPES OR (N)FLASHING FOR SINGLE PIPE. PROVIDE NECESSARY
OFFSET. SINGLE PIPE PENERTRATION DETAIL SEE
MULTIPLE PIPE PENETRATION DETAIL SEE
(E) 36X24 DUCT ON ROOF, REINSTALLED AND PROVIDE NEW DUCT SUPPORT.
DETAIL SEE
(E) DUCT THRU ROOF. PROVIDE NEW CURB EXTENSION AND EXTEND/MODIFY
DUCT. RE-INSULATE DUCT. DETAIL SEE
D
MP502
B
MP502
G
MP502
F
MP501
19 RE-INSTALL (E) WATER HEATER ON (N) CURBS. RECONNECT ALL CONTROLS
AND PIPING, MOUNTING DETAIL SEE AND , WATER PIPE
CONNECTION DETAIL SEE ,
NATURAL GAS PIPE CONNECTION SEE
A906 F
MP502
H
MP501
S501
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
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