Plans (45) M EC2018-00597
GENERAL NOTES
1. INSTALLATION WILL COMPLY WITH 2014 OREGON MECHANICAL SPECIALTY CODE (OMSC), 2014 OREGON PACKAGED ROOFTOP AIR - - _ 1 � �
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STRUCTURAL SPECIALTY CODE (OSSC), 2014 OREGON ENERGY EFFICIENCY SPECIALTY CODE (OEESC)
AND ASHRAE STANDARDS. HANDLER
JUL 3 Q 201B
2. SUPPLY AIR ECONOMIZERS SHALL BE PROVIDED ON EACH COOLING SYSTEM AND SHALL BE CAPABLE
OF OPERATING AT 100 PERCENT OUTSIDE AIR, EVEN IF ADDITIONAL MECHANICAL COOLING IS I CIS i� ► ,I
REQUIRED TO MEET THE COOLING LOAD OF THE BUILDING. BUILDING DIVISION
3. SMOKE DETECTORS SHALL BE INSTALLED IN RETURN AIR SYSTEMS WITH A DESIGN CAPACITY
GREATER THAN 2,000 CFM, IN THE RETURN DUCT OR PLENUM UPSTREAM OF ANY FILTERS, EXHAUST HUNTER - DAVI SSON INC.
AIR CONNECTIONS, OUTDOOR AIR CONNECTIONS, OR DECONTAMINATION EQUIPMENT AND
APPLIANCES.
4. OPERATION AND MAINTENANCE MANUAL(S) SHALL BE PROVIDED TO THE BUILDING OWNER BY THE HVAC/R • CONTROLS
MECHANICAL CONTRACTOR IN ACCORDANCE WITH SECTION 503.2.9.3 OF THE OEESC.
BOLT BASERAIL TO7--kci 111 CONTRACTORS • ENGINEERS
CURB, (4) PLACES I I
SERVICE • MAINTENANCE
SCOPE OF WORK: FINISHED ,� EXISTING CURB "'-"
ROOF
1. REMOVE EXISTING 5-TON GAS PACK.
2. REPLACE WITH NEW 5-TON GAS PACK. MOUNT TO EXISTING CURB. --/ (503) 234-0477 • hunterdavisson.com
3. CONNECT TO EXISTING 2.PSI GAS SERVICE.
KEYED NOTES: FOAM GASKET r., „ ,,,,,,,, ,,1. EXISTING PARAPET HEIGHT IS 45". �_ C'1N�(4. ` +
1B31? � F'
2. EXISTING UNIT HEIGHT IS 35". EXISTING CURB HEIGHT IS 11". HEIGHT OF NEW UNIT IS — UNIT y
33'. i �GON,ti
WOOD RAIL $ 1/41ILAGSCREWTHRU
BASERAIL TO CURB 13 ,7°
METAL ROOF 4<YNN w -\>''
CURB
A / ROOF SHEATHING i 'EXPIRES: 06/30/20201
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ROOF DECK
CiROOFTOP UNIT ATTACHMENT DETAIL0
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EXISTING GAS PACK SCHEDULE '
CO
TONS GAS INPUT OSA VOLTS/
SYMBOL QNTY MANUFACTURER MODEL DESCRIPTION COOL (MBH) CFM CFM PHASE MCA FUSE WEIGHT NOTES
RTU-1 1 YORK D8CGO6ON GAS PACK 5 125 2000 FIELD VERIFY 208-230/3 27.9 35 796 1 Q
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NOTES: 1. VERIFY EXISTING NAME CONVENTION. - - Ce
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NEW GAS PACK SCHEDULE Q W
TONS GAS INPUT OSA VOLTS/ L ❑
SYMBOL QNTY MANUFACTURER MODEL DESCRIPTION COOL (MBH) CFM CFM PHASE MCA FUSE WEIGHT NOTES LU u
RTU-1 1 YORK ZE060H12 GAS PACK 5 125 2000 MATCH EXISTING 208-230/3 32 40 757 1, 2, 3 1 OOF PLAN HVAC Z J
M 101 Van = 1'-0" W W
NOTES: 1.ATTACH TO EXISTING ROOF CURB. CD co
2. WITH ECONOMIZER.
3. NEW UNIT WEIGHS LESS THAN EXISTING UNIT. STRUCTURAL ENGINEERING NOT REQUIRED. Hol/0
VICINITY MAP CITY OF TIGARD . -SSW BARROWS ROAD
REVIEWED FOR CODE COMPLIANCE TIGARD, OR
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