ATT_B_M0.00.pdf

1. MATERIALS, METHODS, AND INSTALLATION SHALL COMPLY WITH THE PROVISIONS OF THE LATEST EDITION OF

THE FOLLOWING CODES AS ADOPTED BY LOCAL JURISDICTION.

OREGON STRUCTURAL SPECIALTY CODE (OSSC)

OREGON MECHANICAL SPECIALTY CODE (OMSC)

OREGON PLUMBING SPECIALTY CODE (OPSC)

OREGON FIRE CODE (OFC)

OREGON ENERGY EFFICIENCY SPECIALTY CODE (OEESC)

2. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH ALL APPLICABLE AND ADOPTED REGULATIONS INCLUDING BUT NOT LIMITED TO NATIONAL, CITY, STATE, LOCAL CODES AND ORDINANCES WHICH MAY BE IN EFFECT. ALL MECHANICAL MATERIALS, INSTALLATION PROCEDURES AND SYSTEM LAYOUTS SHALL BE APPROVED BY ALL APPLICABLE CODE ENFORCEMENT AUTHORITIES HAVING JURISDICTION. THE MECHANICAL

CONTRACTOR SHALL OBTAIN AND PAY FOR ALL NECESSARY PERMITS AND APPROVALS FOR THIS

INSTALLATION. PAY ALL ROYALTIES OR FEES REQUIRED IN CONNECTION WITH THE USE OF PATENTED

DEVICES AND SYSTEMS.

3. UPON CONTRACT AWARD, CONTRACTOR SHALL CONTACT LOCAL UTILITY COMPANY TO SCHEDULE UTILITY CONNECTIONS. CONTRACTOR SHALL BE RESPONSIBLE TO COORDINATE ALL UTILITY WORK, SECURE ALL

PERMITS AND INSPECTIONS.

4. ALL CONNECTIONS TO BUILDING SERVICES SHALL BE CAREFULLY COORDINATED WITH THE UTILITY CO AND THE CONSTRUCTION MANAGER. SERVICE WORK OF THIS NATURE TO OCCUR DURING UNOCCUPIED BUILDING HOURS. THE CONTRACTOR SHALL BE RESPONSIBLE TO ENSURE THAT ALL EXISTING EQUIPMENT IS

OPERATIONAL AFTER ANY SHUTDOWN OCCURS.

5. ALL CONTRACT WORK SHALL BE PERFORMED IN ACCORDANCE WITH ALL REQUIREMENTS OF THE WRITTEN SPECIFICATIONS FOR THIS PROJECT WHICH ARE CONSIDERED TO BE AN INTEGRAL PART OF THE CONTRACT DOCUMENTS. ALL CONTRACTORS AND SUBCONTRACTORS SHALL MAINTAIN (AT THE JOBSITE) AND REFER TO COPIES OF THE WRITTEN SPECIFICATIONS AS PART OF THESE DRAWINGS. REFER TO THE WRITTEN SPECIFICATIONS IN CONJUNCTION WITH THE PLANS FOR FULL PROJECT SCOPE. IN ALL CASES OF DISCREPANCY BETWEEN PLANS AND SPECIFICATIONS, THE MORE STRINGENT REQUIREMENTS SHALL GOVERN AND WHERE IT IS UNCLEAR, SUCH CASES SHALL BE REFEREED TO THE ENGINEER FOR ADJUDICATION.

6. ANY DISCREPANCIES OR INADEQUACIES WITHIN THESE BID DOCUMENTS OR BETWEEN THESE BID DOCUMENTS AND RELATED PLUMBING, ELECTRICAL, FIRE PROTECTION, ARCHITECTURAL, INTERIOR DECOR AND FIELD CONDITIONS SHALL BE BROUGHT TO THE ATTENTION OF THE ARCHITECT AND/OR ENGINEER PRIOR TO BID SUBMISSION. DURING THE COURSE OF CONSTRUCTION COORDINATION AND ACTUAL CONSTRUCTION, THE MECHANICAL CONTRACTOR SHALL COOPERATE WITH ALL OTHER CONTRACTORS AND TRADES ON THIS

PROJECT TO ENSURE A SMOOTH RUNNING AND CAREFULLY COORDINATED INSTALLATION.

7. THE CONTRACTOR SHALL VISIT THE SITE PRIOR TO SUBMITTING HIS BID FOR THE PROPOSED WORK. HE SHALL BE RESPONSIBLE TO VERIFY FIELD CONDITIONS. ANY DISCREPANCIES SHALL BE BROUGHT TO THE ATTENTION

OF THE ENGINEER PRIOR TO SUBMISSION OF BIDS IN WRITING.

8. REFER TO ARCHITECTURAL AND STRUCTURAL DRAWINGS FOR GENERAL CONSTRUCTION INCLUDING LOUVERS, CONCRETE EQUIPMENT PADS, FLASHING DETAILS, ETC. REFER TO ARCHITECTURAL DRAWINGS FOR ROOM ELEVATIONS, LOCATE MECHANICAL DEVICES SUCH AS TEMPERATURE SENSORS, HUMIDISTATS, PANELS, ETC.

SO THAT THEY DO NOT CONFLICT WITH GENERAL CONSTRUCTION (WAINSCOT, DOOR HARDWARE, ETC.) NOR

WITH ELECTRICAL SYSTEM (LIGHT SWITCHES, SPEAKERS, OUTLETS, ETC.).

9. COORDINATE WITH OTHER TRADES: A) REFER TO ELECTRICAL DRAWINGS FOR ELECTRICAL CHARACTERISTICS OF MECHANICAL EQUIPMENT (VOLTAGE, PHASE, HZ, ETC. B) PROVIDE ADEQUATE CLEARANCE OF MECHANICAL WORK FROM ELECTRICAL ITEMS. MAINTAIN MINIMUM ACCESS OF 6-INCHES ABOVE ELECTRICAL CABLE TRAYS

AND 18-INCHES TO THE SIDE OF CABLE TRAYS.

10. DUCTING AND PIPING SHOWN ON DRAWINGS SHOW THE GENERAL RUN AND CONNECTIONS AND MAY OR MAY NOT IN ALL PARTS BE SHOWN IN ITS EXACT POSITION. CONTRACTOR SHALL BE RESPONSIBLE FOR ERECTING THE DUCTING AND PIPING SUITABLE IN EVERY RESPECT FOR THE WORK PERFORMED. DUCTWORK AND PIPING SHALL BE INSTALLED SO THAT ACCESS, CLEARANCE, HEADROOM, AND PITCH ARE MAINTAINED. CONTRACTORS OF THE VARIOUS TRADES SHALL COORDINATE THE INSTALLATION. MECHANICAL CONTRACTOR SHALL REVIEW ARCHITECTURAL DRAWINGS FOR CHASE AND SOFFIT LOCATIONS TO COORDINATE ALL EXPOSED DUCTWORK

AND PIPE ROUTING.

11. THE COMMISSIONING SPECIFICATION, INCLUDING ALL FUNCTIONAL TEST PROCEDURES, SHALL BE PROVIDED

AND ENFORCED BY THE CONTRACTOR.

12. PROVIDE SEISMIC RESTRAINT IN ACCORDANCE WITH IBC AND ASCE STANDARD 7. SUBMIT CALCULATIONS BY LICENSED STRUCTURAL ENGINEER. PRODUCTS MAY CONFORM TO SMACNA SEISMIC RESTRAINT GUIDELINES.

13. PROVIDE A SINGLE SUBMITTAL OF ALL MECHANICAL EQUIPMENT AS SPECIFIED. AS A MINIMUM, SUBMIT PRODUCT DATA FOR ALL EQUIPMENT AND FIXTURES LISTED IN ACCOMPANYING SCHEDULES FOR APPROVAL.

14. USE EXPERIENCED INSTALLERS. DELIVER, HANDLE, AND STORE MATERIALS IN ACCORDANCE WITH

MANUFACTURER'S INSTRUCTIONS.

15. ARRANGEMENT OF SYSTEMS INDICATED ON THE DRAWINGS IS DIAGRAMMATIC, AND INDICATES THE MINIMUM REQUIREMENTS FOR PLUMBING AND MECHANICAL WORK. ADJUST BOX LOCATIONS, BASED ON FIELD MEASUREMENTS, TO AVOID INSTALLATION ABOVE DESKS. SITE CONDITIONS SHALL DETERMINE THE ACTUAL ARRANGEMENT OF THE WORK. TAKE FIELD MEASUREMENTS BEFORE PREPARING SHOP DRAWINGS, OBTAIN APPROVAL OF SHOP DRAWINGS BEFORE BEGINNING FABRICATION. BE RESPONSIBLE FOR ACCURACY OF DIMENSIONS AND LAYOUT. OVERHEAD PIPING AND DUCTWORK SHALL BE ARRANGED TO OBTAIN MAXIMUM HEAD ROOM. SHOP DRAWING SHALL BE SUBMITTED TO AND REVIEWED BY THE ENGINEER OF RECORD.

16. CLEAN AND PROTECT WORK FROM DAMAGE. RESTORE DAMAGED FINISHES. COVER ENDS OF PIPING AND DUCTWORK NOT ACTIVELY BEING WORKED ON. DO NOT USE ANY PART OF THE OWNER'S BUILDING AS A SHOP, EXCEPT PARTS DESIGNATED FOR SUCH PURPOSES BY THE OWNER.

17. CHANGES OR SUBSTITUTIONS OF EQUIPMENT WILL NOT BE ALLOWED WITHOUT SPECIFIC WRITTEN APPROVAL FROM THE ARCHITECT OR ENGINEER. ALL COSTS RESULTING FROM THE SELECTION OF OTHER THAN SPECIFIED EQUIPMENT SHALL BE BORNE BY THE CONTRACTOR, INCLUDING, BUT NOT LIMITED TO WORK

AFFECTING OTHER CONTRACTORS, THE OWNER, OR RE-DESIGN ISSUES.

18. ALL INDICATED WORK SHALL BE PERFORMED BY THE MECHANICAL CONTRACTOR UNLESS OTHERWISE NOTED.

CONTRACTOR SHALL COORDINATE HIS SCHEDULING WITH THE OWNER AND GENERAL CONTRACTOR TO

COMPLY WITH THE OWNERS USAGE OF THE BUILDING.

19. ALL CONTRACTORS SHALL PROVIDE CUTTING AND PATCHING FOR THEIR RESPECTIVE TRADES. ALL CONTRACTORS REMOVING OR RELOCATING ANY EQUIPMENT, PIPES, DUCTS, CONDUITS, ETC SHALL PATCH ALL

SURFACES DISTURBED BY THIS WORK TO MATCH ADJACENT SURFACES.

20. CONTRACTOR IS RESPONSIBLE FOR THE PROPER CARE OF ALL OWNER'S EQUIPMENT AND/OR FURNISHINGS WHICH ARE REQUIRED TO BE TEMPORARILY REMOVED, STORED, OR RELOCATED. CONTRACTOR SHALL REPLACE, REPAIR, OR REIMBURSE OWNER FOR ALL DAMAGES TO SUCH PROPERTIES AT FULL REPLACEMENT VALUE AND EQUIVALENCY. CONTRACTOR SHALL ADVISE OWNER FOR DISPOSITION OF REMOVED EQUIPMENT

AND/OR MATERIALS.

21. CONTRACTOR'S WORK MAY BE REQUIRED OUTSIDE OF THE DESIGNATED SPACE. ALL SYSTEMS BEING DEMOLISHED AND REMOVED, MODIFIED, AND/OR TERMINATED SHALL BE FIELD VERIFIED TO INSURE NO WORK PERFORMED, INSIDE OR OUTSIDE, OF THE DESIGNATED SPACE SHALL DISRUPT ANY SERVICE OR SYSTEMS OF ANY OTHER AREAS. IF ANY CONDITIONS ARISE THAT ARE NOT IDENTIFIED ON THE DRAWINGS, IMMEDIATE NOTIFICATION SHALL BE PROVIDED TO THE ENGINEER OR OWNER. NO WORK SHALL PROCEED WITHOUT

APPROVALS FROM ENGINEER OR OWNER.

22. DO NOT CUT STRUCTURAL ELEMENTS WITHOUT PRIOR WRITTEN APPROVAL.

23. THE MECHANICAL CONTRACTOR SHALL MOUNT THE DUCT SMOKE DETECTOR. THE ELECTRICAL CONTRACTOR TO PROVIDE AND WIRE DUCT MOUNTED SMOKE DETECTOR. ELECTRICAL CONTRACTOR SHALL ALSO PROVIDE AND WIRE A REMOTE MONITORING KEY OPERATED TEST AND ALARM STATION FOR EACH DUCT SMOKE DETECTOR. THE REMOTE TEST ALARM STATION SHALL BE MOUNTED AS DIRECTED IN THE AREA OF THE SMOKE

DETECTOR.

24. THE MECHANICAL CONTRACTOR TO PROVIDE ALL ROOF CURBS, EQUIPMENT RAILS, SUPPORTS, ROOF PORTALS AND ASSOCIATED EQUIPMENT TO ENSURE A COMPLETE INSTALLATION FOR NEW HVAC EQUIPMENT.

MECHANICAL CONTRACTOR RESPONSIBLE TO PROVIDE EXACT LOCATIONS AND REVIEWED AND RELEASED EQUIPMENT SUBMITTALS OF ROOF CURBS, EQUIPMENT SUPPORTS, ROOF PORTALS, AND ASSOCIATED EQUIPMENT TO THE ARCHITECT. ALL ROOF PENETRATIONS, EQUIPMENT SUPPORTS, ROOF PORTALS AND ASSOCIATED EQUIPMENT SHALL BE INSTALLED BY ROOFING SUB-CONTRACTOR. ROOFING CONTRACTOR SHALL BE BONDED AND ALL WORK SHALL BE DONE SO AS NOT TO VOID ROOF WARRANTY. ROOFING CONTRACTOR SHALL PROVIDE BASE FLASHING, AND PROVIDE TEMPORARY WEATHER-PROOF COVERS UNTIL MECHANICAL CONTRACTOR INSTALLS NEW HVAC UNITS. MECHANICAL CONTRACTOR TO PROVIDE COUNTER FLASHING.

25. FURNISH TO ELECTRICAL CONTRACTOR ALL MOTOR STARTERS AND CONTROL DEVICES FOR MECHANICAL EQUIPMENT. ELECTRICAL CONTRACTOR SHALL INSTALL AND WIRE STARTER AND CONTROL EQUIPMENT FOR

ALL MOTORS.

26. ALL HVAC EQUIPMENT CONTAINING COOLING (EVAPORATOR) COILS INCLUDING DOWN FLOW ROOF TOP UNITS SHALL HAVE CONDENSATE MONITORING FOR OVERFLOW PROTECTION FOR PRIMARY OR SECONDARY DRAIN PANS AS APPLICABLE. SUCH DEVICES SHALL BE LABELED TO COMPLY WITH UL#508 AND SHALL SHUT DOWN

COOLING SYSTEM AND SIGNAL BMS SYSTEM IF APPLICABLE.

27. ALL EXPOSED HORIZONTAL AND VERTICAL PIPING SHALL BE INSTALLED IN A NEAT ARRANGEMENT IN LOCATIONS WHICH ARE THE MOST INCONSPICUOUS. VERTICAL DROPS SHALL BE KEPT TO AN ABSOLUTE MINIMUM AND THEIR FINAL LOCATIONS SHALL BE COORDINATED AND RUN WITHIN CHASES, WALLS, OR SOFFITS WITH OTHER PLUMBING AND ELECTRICAL FEEDS. MECHANICAL CONTRACTOR SHALL REVIEW ARCHITECTURAL DRAWINGS FOR CHASE AND SOFFIT LOCATIONS TO COORDINATE ALL EXPOSED PIPING ROUTING. ALL SUCH

LOCATIONS SHALL BE REVIEWED WITH ARCHITECT/ENGINEER PRIOR TO INSTALLATION.

GENERAL NOTES:

1. PERFORM ALL SHEETMETAL WORK IN ACCORDANCE WITH CURRENT SMACNA STANDARDS.

2. CONSTRUCT DUCTS WITH G-60 OR BETTER GALVANIZED STEEL (ASTM 527) LFQ, CHEM TREAT IN GENERAL.

3. CONSTRUCT RECTANGULAR DUCTWORK TO MEET ALL FUNCTIONAL CRITERIA DEFINED IN CHAPTER 11, OF THE SMACNA HVAC DUCT CONSTRUCTION STANDARDS. PROVIDE DIAGONAL CREASING OR BEADING ON ALL PANELS WIDER THAN 18-INCHES, AND PANELS LESS THAN 18 GAGE. CONSTRUCT ROUND AND FLAT OVAL

DUCTWORK IN ACCORDANCE WITH CHAPTER 3 OF SMACNA HDCS.

4. DUCTMATE, METZ, OR W.D.C.I. DUCT CONNECTION SYSTEMS ARE ACCEPTABLE. DUCTS CONSTRUCTED USING THESE SYSTEMS WILL REFER TO THE MANUFACTURER'S GUIDELINES FOR SHEET GAGE, INTERMEDIATE

REINFORCEMENT SIZE AND SPACING, AND JOINT REINFORCEMENTS.

5. PROVIDE COLLARS WHEREVER AN EXPOSED DUCT PASSES THROUGH A WALL, SLAB, OR CEILING--1-INCH WIDE, 18-GAGE ANGLE WITH MITERED CORNERS & SEAL WITH FIBERGLASS AND MASTIC.

6. SPIN-IN FITTINGS SHALL BE CONICAL TYPE WITH VOLUME DAMPER, AND QUADRANT; FLEX MASTER ELGEN OR

EQUIVALENT.

7. ELBOWS IN RECTANGULAR OR SQUARE DUCTWORK SHALL HAVE AN INSIDE RADIUS EQUAL TO DIMENSION OF

ELBOW IN THE PLANE OF THE TURN; OTHERWISE USE SQUARE ELBOWS WITH TURNING VANES.

8. ELBOWS IN ROUND DUCTWORK SHALL HAVE THE INSIDE RADIUS EQUAL TO DIMENSION OF ELBOW IN THE PLANE OF THE TURN. USE SEGMENTED, STANDING SEAM, PLEATED, OR STAMPED ELBOWS. ADJUSTABLE

ELBOWS ARE ALLOWED IF RADIUS CONFORMS TO ABOVE.

9. SQUARE CORNER INSERTS (TURNING VANES) SHALL BE SMACNA FIG. 4.3 DOUBLE THICKNESS, RUNNER TYPE 2

WITH 2-1/8-INCH SPACING.

10. VOLUME DAMPERS ARE NOT SHOWN GENERALLY, INCLUDE A DAMPER IN THE DUCT TO EACH SUPPLY, EXHAUST, OR RETURN OPENING; ALSO IN EACH BRANCH DUCT WHERE THREE OR MORE OPENINGS ARE ASSOCIATED WITH THE BRANCH. LOCATE DAMPERS AT A POINT WHERE THE DUCT IS ACCESSIBLE; AS FAR

FROM THE OUTLET AS POSSIBLE.

11. THOROUGHLY CLEAN ALL DEBRIS FROM THE INSIDE OF ALL DUCTWORK AND PLENUMS. BLOW FREE ALL SMALL

PARTICLES OF RUBBISH AND DUST.

12. MECHANICAL DRAWINGS SHOW APPROXIMATE LOCATIONS FOR GRILLES AND DIFFUSERS. REFER TO ARCHITECTURAL REFLECTED CEILING PLANS AND ELEVATIONS FOR EXACT LOCATIONS. AFTER SHOP DRAWINGS ARE COMPLETED VERIFY EXACT LOCATION OF GRILLES AND DIFFUSERS IN THE FIELD. ENSURE THAT DIFFUSER AND GRILLE FRAMES MATCH CEILING TYPES AND FINISH PRIOR TO ORDERING.

13. CONNECT FLEXIBLE DUCTS TO METAL DUCTS WITH A SLIP JOINT MADE USING FIRE RESISTANT MASTIC AND CLAMP, IDEAL "SNAP-LOCK" OR VENTLOCK "SURETIGHT NO. 670" AT EACH END. SUPPORT IN ACCORDANCE WITH SMACNA HVAC DUCT CONSTRUCTION STANDARDS. DO NOT INSTALL WITH ABRUPT BENDS OR OFFSETS.

MAXIMUM LENGTH 5-FEET. LOW PRESSURE INSULATED FLEXIBLE DUCT SHALL BE THERMAFLEX MK-E. HIGH

PRESSURE INSULATED FLEXIBLE DUCT SHALL BE THERAMFLEX MK-C.

14. GREASE EXHAUST TO BE ½ INCH W.G. PRESSURE CLASS, 18 GAGE STAINLESS STEEL WITH LIQUID TIGHT CONSTRUCTION WITH CONTINUOUS EXTERNAL WELD FOR ALL SEAMS AND JOINTS. PROVIDE ALL ACCESS

DOORS AS REQUIRED BY CODE.

15. FUME HOOD EXHAUST TO BE ½ INCH W.G. PRESSURE CLASS, 18 GAGE STAINLESS STEEL CONSTRUCTION WITH

CONTINUOUS EXTERNAL WELD FOR ALL SEAMS AND JOINTS.

SHEETMETAL NOTES:

1. HEAT PUMPS HAVING SUPPLEMENTARY ELECTRIC RESISTANCE HEAT HAVE CONTROLS THAT, EXCEPT DURING DEFROST, PREVENT SUPPLEMENTARY HEAT OPERATION WHEN THE HEAT PUMP CAN MEET THE HEATING LOAD.

2. WHERE USED TO CONTROL BOTH HEATING AND COOLING, ZONE THERMOSTATIC CONTROLS PROVIDE A TEMPERATURE RANGE OR DEADBAND OF AT LEAST 5°F WITHIN WHICH THE SUPPLY OF HEATING AND COOLING

ENERGY TO THE ZONE IS CAPABLE OF BEING SHUT OFF OR REDUCED TO A MINIMUM.

3. EACH HVAC SYSTEM HAS CONTROLS THAT VARY THE START-UP TIME OF THE SYSTEM TO JUST MEET THE

TEMPERATURE SET POINT AT TIME OF OCCUPANCY.

4. EACH ZONE IS PROVIDED WITH THERMOSTATIC SETBACK CONTROLS THAT ARE CONTROLLED BY EITHER AN

AUTOMATIC TIME CLOCK OR PROGRAMMABLE CONTROL SYSTEM.

5. BOTH OUTDOOR AIR SUPPLY AND EXHAUST ARE EQUIPPED WITH NOT LESS THAN CLASS I MOTORIZED

DAMPERS.

6. WHERE A HUMIDITY CONTROL DEVICE EXISTS IT IS SET TO MAINTAIN A DEADBAND OF AT LEAST 10% RELATIVE

HUMIDITY WHERE NO ACTIVE HUMIDIFICATION OR DEHUMIDIFICATION TAKES PLACE.

7. DEMAND CONTROLLED VENTILATION (DCV) IS INCLUDED FOR SPACES LARGER THAN 500 FT2 FOR SIMPLE

SYSTEMS AND SPACES LARGER THAN 150 FT2 FOR MULTIPLE ZONE SYSTEMS.

8. ALL LONGITUDINAL AND TRANSVERSE JOINTS, SEAMS AND CONNECTIONS OF LOW-PRESSURE SUPPLY AND RETURN DUCTS ARE SECURELY FASTENED AND SEALED WITH WELDS, GASKETS, MASTICS (ADHESIVES), MASTIC-PLUS-EMBEDDED-FABRIC SYSTEMS OR TAPES INSTALLED IN ACCORDANCE WITH THE

MANUFACTURER’S INSTALLATION INSTRUCTIONS.

EXCEPTION(S):

A. CONTINUOUSLY WELDED AND LOCKING-TYPE LONGITUDINAL JOINTS AND SEAMS ON DUCTS OPERATING

AT STATIC PRESSURES LESS THAN 2 INCHES W.G. PRESSURE CLASSIFICATION.

9. AN OPERATING AND MAINTENANCE MANUAL WILL BE PROVIDED TO THE BUILDING OWNER BY THE MECHANICAL

CONTRACTOR.

ENERGY CODE MECHANICAL NOTES:

28. ALL PENETRATIONS THRU FIRE RATED WALLS, FLOORS, AND CEILINGS SHALL BE SEALED WITH A UL APPROVED FIRESTOP MATERIAL SUITABLE FOR CONSTRUCTION MATERIAL TO MAINTAIN FIRE, SMOKE AND DRAFT INTEGRITY OF STRUCTURE. FIRE RESISTANT SEALER SHALL BE TESTED IN ACCORDANCE WITH ASTM E84.

INSTALL SEALANT, INCLUDING FOAMING, PACKING AND OTHER ACCESSORY MATERIALS TO FILL OPENINGS WHERE FIRE RATED PENETRATIONS OCCUR. COMPLY WITH INSTALLATION REQUIREMENTS ESTABLISHED BY

TESTERS AND INSPECTION AGENCY.

29. FURNISH AND INSTALL PIPE SLEEVES PASSING THROUGH EXTERIOR WALLS. SLEEVES SHALL BE STEEL PIPE:

ASTM A53, TYPE E, GRADE A, SCHEDULE 40, GALVANIZED PLAIN ENDS, 2" LONGER THAN WALL WIDTH.

30. MECHANICAL CONTRACTOR SHALL BE RESPONSIBLE FOR THE PROPER HANDLING, DISPOSAL AND ASSOCIATED COSTS OF ALL REFRIGERANT MATERIAL DURING THIS CONTRACT IN ACCORDANCE WITH ALL FEDERAL, STATE

AND LOCAL CODES AND/OR REGULATIONS.

31. THERMOSTATS SHALL BE MOUNTED AT 48" AFF TO MEET ADA REQUIREMENTS. PROVIDE TAMPER PROOF

COVERS IN PUBLIC AREAS AND WIRE GUARDS IN GYMNASIUMS.

32. ALL DUCTWORK SHALL BE CONNECTED TO MOTORIZED EQUIPMENT WITH FLEXIBLE DUCT CONNECTORS.

33. ALL DUCTWORK SIZES SHOWN ON DRAWINGS ARE CLEAR INTERNAL DIMENSIONS.

34. INSTRUCT OWNER IN PROPER OPERATION OF SYSTEMS.

35. DRAWINGS ARE DIAGRAMMATIC IN NATURE AND MAY HAVE TO BE ADAPTED TO COMPLY WITH BUILDING CONDITIONS. CONTRACTOR SHALL SUBMIT HVAC SHOP DRAWINGS, INDICATING LOCATIONS, AND ROUTING OF ALL DUCTS, PIPING, WIRING AND ASSOCIATED ACCESSORIES. MAKE OFFSETS WITH FITTINGS WITH AS SMALL ANGLE OF OFFSET AS POSSIBLE. DUCTWORK & PIPING SHALL BE ROUTED TO AVOID ALL STRUCTURAL

SUPPORTS, AND COORDINATE ALL WORK WITH WORK OF OTHER TRADES.

36. ALL MECHANICAL EQUIPMENT AND APPLIANCES SHALL BEAR THE LABEL OF AN APPROVING AGENCY. LISTING AND LABELING AGENCY QUALIFICATIONS: A "NATIONALLY RECOGNIZED TESTING LABORATORY" AS DEFINED IN

THE INTERNATIONAL MECHANICAL CODE.

37. THE MECHANICAL CONTRACTOR SHALL PROVIDE A COMPLETE SET OF "AS-BUILT" DRAWINGS INDICATING THE PRECISE LOCATION OF ALL SYSTEMS, EQUIPMENT, DUCTWORK, PIPING AND ACCESS DOORS. THESE PLANS

SHALL ALSO INCLUDE ALL CHANGES AND DEVIATIONS FROM BID DOCUMENTS.

A AIR, AMP

ACU AIR CONDITIONING UNIT

AFF ABOVE FINISHED FLOOR

AHU AIR HANDLING UNIT

AL ALUMINUM, ACOUSTICAL LINING

ARRGT ARRANGEMENT

ATM ATMOSPHERE

BC BLOWER COIL

BDD BACKDRAFT DAMPER

BFF BELOW FINISHED FLOOR

BFP BACKFLOW PREVENTER

BHP BRAKE HORSEPOWER

BLDG BUILDING

BOB BOTTOM OF BEAM

BOD BOTTOM OF DUCT

BOS BOTTOM OF STEEL

BTUH BRITISH THERMAL UNITS PER HOUR

CAP CAPACITY

CC COOLING COIL

CD CEILING DIFFUSER

CFM CUBIC FEET PER MINUTE

CHR CHILLED WATER RETURN

CHS CHILLED WATER SUPPLY

CI CAST IRON

CLG CEILING, COOLING

CNTFGL CENTRIFUGAL

CO CLEANOUT

CONC CONCRETE

COND CONDENSATE

CONT CONTINUE, CONTROL

COMP COMPRESSOR

COP COEFFICIENT OF PERFORMANCE

CP CIRCULATING PUMP

CRU CONDENSATE RETURN UNIT

CU CONDENSING UNIT

CU FT CUBIC FEET

CV CONSTANT VOLUME

CVTR CONVERTER

CW COLD WATER

CWR CONDENSER WATER RETURN

CWS CONDENSER WATER SUPPLY

dB DECIBELS

DB DRY BULB

DCVA DOUBLE CHECK VALVE ASSEMBLY

DEG DEGREE

DF DRINKING FOUNTAIN

DI DE-IONIZED

DIA DIAMETER

DMPR DAMPER

DN DOWN

DS DOWNSPOUT

E EXISTING

EA EXHAUST AIR

EAT ENTERING AIR TEMPERATURE

EER ENERGY EFFICIENCY RATING

EF EXHAUST FAN

EFF EFFICIENCY

EG EXHAUST GRILLE

EL ELEVATION

EQUIP EQUIPMENT

ESP EXTERNAL STATIC PRESSURE

EWT ENTERING WATER TEMPERATURE

EXH EXHAUST

EWC ELECTRIC WATER COOLER

EXIST EXISTING

EXP EXPANSION

EXT EXTERIOR, EXTERNAL

F FAHRENHEIT, FIRE LINE

FD FIRE DAMPER, FLOOR DRAIN

FDC FIRE DEPARTMENT CONNECTION

FLA FULL LOAD AMPS

FLR FLOOR

FLTR FILTER

FM FLOW METER

FOB FLAT ON BOTTOM

FO FLAT OVAL

FOT FLAT ON TOP

FPM FEET PER MINUTE

FPS FEET PER SECOND

FSD FIRE SMOKE DAMPER

FT FEET, FAN TERMINAL

FV FACE VELOCITY

GA GAGE

GAL GALLONS

GALV GALVANIZED

GPM GALLONS PER MINUTE

H HUMIDIFIER, HEIGHT

HB HOSE BIBB

HC HEATING COIL

HD HEAD

HEX HEAT EXCHANGE

HOA HAND-OFF-AUTOMATIC

HP HORSEPOWER, HEAT PUMP

HPS HIGH PRESSURE STEAM

HTG HEATING

HW HOT WATER

HWC HOT WATER CIRCULATING

HWP HOT WATER PUMP

HWR HEATING WATER RETURN

HWS HEATING WATER SUPPLY

HZ HERTZ

ABBREVIATIONS

IDE DIAMETER, INDIRECT DRAIN

IE INVERT ELEVATION

IH INTAKE HOOD

IN INCH

INIT INITIAL

INT INTERIOR

IPLV INTEGRATED PART LOAD VALUE

KW KILOWATT

KWH KILOWATT HOURS

L LENGTH

LAT LEAVING AIR TEMPERATURE

LB POUND, LINEAR BAR

LBS POUNDS

LD LINEAR DIFFUSER

LWT LEAVING WATER TEMPERATURE

MAX MAXIMUM

MBH THOUSAND BTU PER HOUR

MCA MINIMUM CIRCUIT AMPACITY

MD MANUAL DAMPER

MECH MECHANICAL

MFR MANUFACTURER

MIN MINIMUM

MOCP MAXIMUM OVER CURRENT PROTECTION

MOD MOTOR OPERATED DAMPER

MTR MOTOR

NC NORMALLY CLOSED

NEG NEGATIVE

NIC NOT IN CONTRACT

NO NUMBER, NORMALLY OPEN

NTS NOT TO SCALE

OA OUTDOOR AIR

OC ON CENTER

OD OUTSIDE DIAMETER

OPNG OPENING

ORD OVERFLOW ROOF DRAIN

ORL OVERFLOW RAIN LEADER

P PUMP, PLUMBING

PD PRESSURE DROP

PH PHASE

POC POINT OF CONNECTION

POS POSITIVE

PR PUMPED RETURN

P/T PRESSURE/TEMPERATURE

PVC POLYVINYL CHLORIDE

QTY QUANTITY

RA RETURN AIR

RD ROOF DRAIN

REF REFERENCE

REQD REQUIRED

RF RETURN FAN

RG RETURN GRILLE

RH RELIEF HOOD, RELATIVE HUMIDITY

RL RAIN LEADER

RPBFP REDUCED PRESSURE BACKFLOW

PREVENTER

RPM REVOLUTIONS PER MINUTE

S SOIL

SA SUPPLY AIR

SD STORM DRAIN, SMOKE DAMPER

SENS SENSIBLE

SEER SEASONAL ENERGY EFFICIENCY RATING

SF SUPPLY FAN, SQUARE FEET

SG SUPPLY GRILLE

SL SOUNDLINING

SP STATIC PRESSURE

SPR SPRINKLER

SS STAINLESS STEEL, SANITARY SEWER

STP STANDPIPE

T THERMOSTAT

TEMP TEMPERATURE

TG TRANSFER GRILLE

TOD TOP OF DUCT

TOT TOTAL

TP TRAP PRIMER, TOTAL PRESSURE

TSP TOTAL STATIC PRESSURE

TU TERMINAL UNIT

TYP TYPICAL

UH UNIT HEATER

UON UNLESS OTHERWISE NOTED

V VENT, VOLT

VA VALVE

VAV VARIABLE AIR VOLUME

VEL VELOCITY

VFD VARIABLE FREQUENCY DRIVE

VTR VENT THROUGH ROOF

W WASTE, WATER, WATT, WIDTH

WB WET BULB

WG WATER GAGE

WH WATER HEATER, WALL HYDRANT

WTR WATER

PROJECT NO.:

ISSUE DATE:

REVISIONS:

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111 SW Fifth Ave, Ste 2120 Portland, Oregon 97204

Tel 503.416.2400 Fax 206.267.1701

SAZAN# 257-20047

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GENERAL NOTES,

ABBREVIATIONS AND

SHEET INDEX

04.02.21

M0.00

IS

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D F

O R

P E

R M

IT

20018

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MECHANICAL SHEET INDEX

M0.00 GENERAL NOTES, ABBREVIATIONS AND SHEET INDEX

M0.01 MECHANICAL LEGEND

M0.03 MECHANICAL SCHEDULES

MD1.01 MECHANICAL DEMOLITION - FLOOR PLAN

M2.01 MECHANICAL - FLOOR PLAN

M2.02 MECHANICAL - ROOF PLAN

M3.01 MECHANICAL PIPING PLAN

M3.02 MECHANICAL PIPING - ROOF PLAN

M4.00 MECHANICAL DETAILS

Expires: 06/30/22

FD

SD

FSD

M

BDD

FD

SD

FSD

M

BDD

R

AP

AD

SYMBOLS LEGEND - AIR HANDLING

DESCRIPTIONSYMBOL

POSITIVE PRESSURE DUCT - TURNING TOWARD

POSITIVE PRESSURE DUCT - TURNING AWAY

NEGATIVE PRESSURE DUCT - TURNING TOWARD

NEGATIVE PRESSURE DUCT - TURNING AWAY

ROUND DUCT - TURNING TOWARD

ROUND DUCT - TURNING AWAY

FLAT-OVAL DUCT - TURNING TOWARD

FLAT-OVAL DUCT - TURNING AWAY

INCLINE RISE (R) OR DROP (D) IN DIRECTION OF ARROW

FLEXIBLE CONNECTION

ACCESS DOOR (AD) OR ACCESS PANEL (AP)

VOLUME DAMPER

FIRE DAMPER

SMOKE DAMPER

FIRE SMOKE DAMPER

MOTOR OPERATED DAMPER

BACKDRAFT DAMPER

FLEXIBLE DUCT

SYMBOLS LEGEND - AIR HANDLING

DESCRIPTIONSYMBOL

ROUND, 90° ELBOW, R/W OR R/D = 1.5

RECTANGULAR, 90° ELBOW, R/W OR R/D = 1.5

RECTANGULAR OR ROUND, 90° ELBOW,

R/W OR R/D = 1.5

SQUARE CORNER ELBOW WITH TURNING VANES

45° BRANCH CONNECTION

RECTANGULAR BRANCH TO RECTANGULAR DUCT

CONNECTION WITH 45° TAPER

ROUND OR RECTANGULAR BRANCH TO ROUND OR RECTANGULAR DUCT

CONNECTION

ROUND BRANCH TO RECTANGULAR DUCT CONNECTION

ROUND BRANCH TO ROUND DUCT CONNECTION

TRANSITION OR REDUCER - NOTED FOT (FLAT ON TOP) OR FOB (FLAT ON

BOTTOM) IF REQUIRED

RECTANGULAR TO ROUND TRANSITION

SYMBOLS LEGEND - AIR HANDLING

DESCRIPTIONSYMBOL

EQUIPMENT WITH EQUIPMENT IDENTIFICATION

THERMOSTAT

DIFFUSER IDENTIFIER

CONNECTION SIZE

AIR FLOW (CFM)

DIFFUSER TYPE MARK

CEILING SUPPLY DIFFUSER

CEILING RETURN DIFFUSER

AIRFLOW, SUPPLY

AIRFLOW, RETURN

SYMBOLS LEGEND - GENERAL

DESCRIPTIONSYMBOL

X-XX

X

XX.XX

X

XX.XX

X

XX.XX

N

DRAWING CONSTRUCTION ("FLAG") NOTE

EQUIPMENT IDENTIFIER

MATCHLINE

REVISION CLOUD (ENCIRCLES DRAWING CHANGES MADE SINCE THE

PREVIOUS RELEASE)

REVISION REFERENCE

EXISTING TO BE REMOVED (HATCH)

HEAVY LINEWEIGHT INDICATES NEW WORK

LIGHT LINEWEIGHT INDICATES EXISTING INFORMATION

POINT OF CONNECTION

DETAIL REFERENCE

DETAIL IDENTIFICATION NUMBER

SHEET WHERE DETAIL IS DRAWN

ELEVATION REFERENCE

ELEVATION IDENTIFICATION

NUMBER SHEET WHERE ELEVATION IS DRAWN

SECTION REFERENCE SECTION

IDENTIFICATION NUMBER

SHEET WHERE SECTION IS DRAWN

NORTH REFERENCE

SYMBOLS LEGEND - FIRE PROTECTION

DESCRIPTIONSYMBOL

SYMBOLS LEGEND - PIPING

DESCRIPTIONSYMBOL

MAV AAV

SOIL OR WASTE

VENT

RAIN LEADER

OVERFLOW RAIN LEADER

INDIRECT DRAIN

COLD WATER

HOT WATER

HOT WATER CIRCULATING

140° POTABLE HOT WATER

120° POTABLE HOT WATER

FIRE

SPRINKLER

STANDPIPE

HIGH PRESSURE STEAM

REDUCER, CONCENTRIC

WYE STRAINER WITH CAPPED HOSE END BLOWDOWN VALVE

ANGLE VALVE

AUTOMATIC CONTROL VALVE - TWO WAY (PNEUMATIC OPERATOR

SHOWN)

AUTOMATIC CONTROL VALVE - THREE WAY (ELECTRIC OPERATOR

SHOWN)

BUTTERFLY VALVE

FLEXIBLE CONNECTION IN PIPING

MANUAL AIR VENT (MAV), AUTOMATIC AIR VENT (AAV)

PRESSURE GAUGE

THERMOMETER

THERMOMETER WELL

SIGHT GLASS

HOSE BIB

SYMBOLS LEGEND - PIPING

DESCRIPTIONSYMBOL

A

PS

P/T

PIPE ANCHOR

PIPE ALIGNMENT GUIDE

CONTROL VALVE STATION

PIPE SUPPORT

PRESSURE/TEMPERATURE TEST PORT

CAP

UNION

WYE STRAINER

GATE VALVE

GLOBE VALVE

BALL VALVE

BALANCING OR PLUG VALVE

PRESSURE REDUCING VALVE

BALANCING/MEASURING VALVE

RELIEF VALVE

CHECK VALVE

PIPE TURNING DOWN / AWAY

PIPE TURNING UP / TOWARDS

PIPE DOWN TEE

PIPE DOWN TEE / AWAY

PIPE UP TEE / TOWARDS

PLUG

SYMBOLS LEGEND - PIPING & AIRFLOW DIAGRAMS

DESCRIPTIONSYMBOL

M

M

PUMP

CENTRIFUGAL FAN

ELECTRIC MOTOR/STARTER ASSEMBLY

ELECTRIC MOTOR OPERATOR (VALVES AND DAMPERS)

FLOOR DRAIN

FUNNEL DRAIN

FLOW DIRECTION

T

10X10

V

RD

OD

ID

140º HW

120º HW

F

SPR

STP

HPS

X-XX

F FIRE

FDC

WET PIPE ALARM VALVE

FIRE DEPARTMENT CONNECTION

PRESSURE REGULATING VALVE WITH SUPERVISORY SWITCH

WET SPRINKLER HEAD

DRY SPRINKLER HEAD

SYMBOLS LEGEND - MEDICAL GASSES

DESCRIPTIONSYMBOL

OXYGENO2

MA

MV

MEDICAL COMPRESSED AIR

MEDICAL VACUUM

WAG

MA

WAG

NO2

N2

CO2

ETO

WAGD

ZVB

MAB

MA

WASTE ANESTHETIC GAS

MEDICAL AIR OUTLET

WASTE ANESTHETIC GAS DEVICE

NITROUS OXIDE (NITROUS)

NITROGEN

CARBON DIOXIDE

ETHYLENE OXIDE

MEDICAL GAS VALVE (SERVICE VALVE)

MEDICAL AIR PRESSURE SENSOR

HOSE REEL (RETRACTABLE)

ZONE VALVE BOX

MEDICAL GAS ALARM BOX

SYMBOLS LEGEND - LABORATORY

DESCRIPTIONSYMBOL

NON POTABLE COLD WATER· + ·

LA

LV

NON POTABLE HOT WATER

NON POTABLE HOT WATER RECIRCULATE

LABORATORY AIR

LABORATORY VACUUM

M

FLOOR SINK (SQUARE AND ROUND)

6"Ø

CEILING EXHAUST DIFFUSER

SIDEWALL GRILL DIFFUSER

PROJECT NO.:

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MECHANICAL LEGEND

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Tel 503.416.2400 Fax 206.267.1701

SAZAN# 257-20047

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MECHANICAL

SCHEDULES

04.02.21

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8. SYSTEM MUST BE INSTALLED BY A CERTIFIED INSTALLER. SUPPORT UNIT AS PER MANUFACTURER'S RECOMMENDATIONS. PROVIDE VIBRATION ISOLATION AS REQUIRED.

7. PROVIDE FACTORY MOTOR STARTERS. SEE ELECTRICAL DRAWINGS FOR SEPARATE DISCONNECT SWITCH.

6. PROVIDE 410A REFRIGERANT. LINE SET REFRIGERANT PIPING SIZED BY MANUFACTURER. INSULATE ALL REFRIGERANT LINES AND FITTINGS.

5. PROVIDE TEMPERATURE SENSORS; ONE FOR EACH INDOOR UNIT. THERMOSTAT TO BE BY FAN COIL MAUFACTURER AND BE A TOUCHSCREEN PROGRAMMABLE UNIT.

4. PROVIDE INTEGRAL CONDENSATE PUMP.

3. PROVIDE MERV 8 FILTER INSTALLED AT AIR INTAKE SIDE OF UNIT. INTAKE PLENUM BY SHEETMETAL CONTRACTOR IF REQUIRED.

2. FACTORY PROVIDED INTEGRAL DRAIN PAN AND WATER LEVEL DETECTION SENSOR TO SHUT DOWN INDOOR UNIT IN THE EVENT OF CONDENSATE OVERFLOW ON INDOOR UNITS.

1. PROVIDE 10-YEAR WARRANTY ON ALL PARTS.

REMARKS:

FCU-10 CEILING HALLWAY 65 SAMSUNG AM005NNNDCH/AA CASSETTE 300 25 N/A 5 4.8 78.6 6 70 0.24 15 208/1/60 30 26 1,2,3,4,5,6,7,8

FCU-09 CEILING EXAM 109 SAMSUNG AM006RN4DCH/AA CASSETTE 547 60 N/A 6.3 5.8 78.6 7.1 70 0.4 15 208/1/60 32 34 1,2,3,4,5,6,7,8

FCU-08 CEILING EXAM 104 SAMSUNG AM009RN4DCH/AA CASSETTE 547 60 N/A 9 8.3 78.6 10 70 0.4 15 208/1/60 32 33 1,2,3,4,5,6,7,8

FCU-07 CEILING OFFICE 107 SAMSUNG AM005NNNDCH/AA CASSETTE 300 25 N/A 5 4.8 78.6 6 70 0.24 15 208/1/60 30 26 1,2,3,4,5,6,7,8

FCU-06 CEILING OFFICE 106 SAMSUNG AM005NNNDCH/AA CASSETTE 300 25 N/A 5 4.8 78.6 6 70 0.24 15 208/1/60 30 26 1,2,3,4,5,6,7,8

FCU-05 CEILING OFFICE 105 SAMSUNG AM009NNNDCH/AA CASSETTE 353 25 N/A 9.5 8.8 78.6 10.5 70 0.24 15 208/1/60 33 27 1,2,3,4,5,6,7,8

FCU-04 CEILING MED UTILITY 110 SAMSUNG AM005NNNDCH/AA CASSETTE 300 25 N/A 5 4.8 78.6 6 70 0.24 15 208/1/60 30 26 1,2,3,4,5,6,7,8

FCU-03 CEILING DENTAL UTILITY 103 SAMSUNG AM005NNNDCH/AA CASSETTE 300 25 N/A 5 4.8 78.6 6 70 0.24 15 208/1/60 30 26 1,2,3,4,5,6,7,8

FCU-02 CEILING NURSE 101 SAMSUNG AM012RN4DCH/AA CASSETTE 547 50 N/A 12 11 78.6 13.5 70 0.4 15 208/1/60 32 33 1,2,3,4,5,6,7,8

FCU-01 CEILING WAITING 100 SAMSUNG AM005NNNDCH/AA CASSETTE 300 20 N/A 5 4.8 78.6 6 70 0.24 15 208/1/60 30 26 1,2,3,4,5,6,7,8

TOTAL LOAD

(MBH)

SENSIBLE LOAD

(MBH)

COOLING LOAD

OA DESIGN TEMP

(DEG F)

TOTAL LOAD

(MBH)

OA DESIGN TEMP

(DEG F)

MCA MOCP V/PH/HZ

EQUIP. NO LOCATION SERVICE

BASIS OF DESIGN

MANUFACTURER

BASIS OF DESIGN SERIES TYPE

SUPPLY AIRFLOW

(CFM)-HIGH

MIN OUTSIDE

AIRFLOW

(CFM)

EXT SP

(IN WG)

COOLING CAPACITY HEATING CAPACITY ELECTRICAL DATA

MAXIMUM

SOUND

PRESSURE

(dBA)

OPERATING

WEIGHT

(LBS)

REMARKS

VARIABLE REFRIGERANT FLOW FAN COIL SCHEDULE

7. MOUNT AS PER MANUAFACTURER'S RECOMMENDATIONS. UNITS TO BE ON MINIMUM 18' STAND.

6. PROVIDE COMPLETE MANUFACTURER'S CONTROLS CAPABLE OF FULL CONTROL OF ALL EQUIPMENT

5. SYSTEM MUST BE INSTALLED AND COMMISSIONED BY A LG CERTIFIED TECHNICIAN TO RECEIVE THE 10 YEAR MANUFACTURER PARTS WARRANTY.

4. PROVIDE FACTORY PROVIDED INTEGRAL CRANKCASE HEATER

3. COMPRESSOR FOR OUTDOOR UNIT TO BE OPERATING WITH VARIABLE SPEED DRIVE (VSD)

2. PROVIDE 120V/1Ø CONVENIENCE OUTLET ON A SEPARATE CIRCUIT UNLESS OUTLET IS AVAILABLE WITHIN 25 FEET OF EQUIPMENT

1. PROVIDE FACTORY MOTOR STARTERS. SEE ELECTRICAL DRAWINGS FOR SEPARATE DISCONNECT SWITCH

REMARKS:

HP-01 ROOF DENTAL OFFICES SAMSUNG AM060NXMDCR/AA 60 70 11.2 66 70 11.5 32 50 208/1/60 59 276 1,2,3,4,5,6,7

MCA MOCP V/PH/HZ

TOTAL

LOAD

(MBH)

OA DESIGN

TEMP

(DEG F)

EER

TOTAL

LOAD

(MBH)

OA DESIGN

TEMP

(DEG F)

COP

CHASSIS 1

EQUIP. NO LOCATION SERVICE

BASIS OF DESIGN

MANUFACTURER

BASIS OF DESIGN SERIES

COOLING CAPACITY HEATING CAPACITY ELECTRICAL DATA

MAXIMUM

SOUND

PRESSURE

(dBA)

OPERATING

WEIGHT (LBS)

REMARKS

VARIABLE REFRIGERANT FLOW HEAT PUMP SCHEDULE

3. PROVIDE ISOLATION VALVES ON COMPRESSOR SIDE REFRIGERANT PIPING OF ALL BOXES.

2. PROVIDE 10 -YEAR WARRANTY ON ALL PARTS.

1. MOUNT AS PER MANUFACTURER'S RECOMMENDATIONS.

REMARKS:

BS-02 DENTAL OFFICES MCU-S6NEK2N 6 216 2 15 208/1/60 63 HP-01 1,2,3

BS-01 DENTAL OFFICES MCU-R4NEK0N 4 76 2 15 208/1/60 47 HP-01 1,2,3

MCA MOP V/PH/HZ

EQUIP. NO LOCATION

BASIS OF DESIGN

SERIES

PORTS

CONNECTED

CAPACITY MAX

(MBH)

ELECTRICAL

WEIGHT (LBS) ASSOCIATED HP REMARKS

BRANCH SELECTOR BOX SCHEDULE

1. PROVIDE SINGLE-STAGE DUCT THERMOSTAT, UL LISTING, PRIMARY AND SECONDARY OVER-TEMPERATURE PROTECTION, DISCONNECTING CONTACTOR, CONTROL OPTION G

REMARKS:

EDH-01 ERV-01 SA FCU'S RENEWAIRE EK-1212002SCCHR-23 2 1 395 60 76 12x12 6.94 15 208/3/60 50 1

MCA MOCP V/PH/HZ

EQUIP. NO LOCATION SERVICE

BASIS OF DESIGN

MANUFACTURER

BASIS OF DESIGN SERIES

CAPACITY

(KW)

NO. OF

STAGES

AIRFLOW

(CFM)

AIR

VELOCITY

(FPM)

EAT

(DEG F)

LAT

(DEG F)

DUCT

SIZE

WxH

(INxIN)

ELECTRICAL

OPERATING

WEIGHT

(LBS)

REMARKS

ELECTRIC DUCT HEATER SCHEDULE

0 1,353 17 135 73 208 261 395 390

113 HALLWAY 293 - 0 - - 0.06 17.6 18 0.8 22 25 0 0 0

112 SOILED HOLDING 45 30 0 8 0 0.12 5.4 5 0.8 7 8 SOILD HOLDING 2 12 25 10 60 80

200 TOILET 57 - 0 - - - - - 0.8 - 0 0 50 70

111 TOILET 45 - 0 - - - - - 0.8 - 0 0 50 70

110 MED UTILITY 58 10 1 5 5 0.18 10.4 15 0.8 19 8 CLEAN WORKROOM 2 15 25 0 0 25

109 MED EXAM 142 20 2 15 30 - - 30 0.8 38 10 EXAM ROOM 2 48 60 0 0 60

107 OFFICE 61 5 1 5 5 0.06 3.7 9 0.8 11 25 0 0 0

106 OFFICE 88 5 2 5 10 0.06 5.3 15 0.8 19 25 0 0 0

105 OFFICE 108 5 2 5 10 0.06 6.5 16 0.8 21 25 0 0 0

104 DENTAL EXAM 109 20 3 15 45 - - 45 0.8 56 10 TREATMENT ROOM 2 37 60 0 0 60

103 DENTAL UTILITY 72 5 1 5 5 0.06 4.3 9 0.8 12 8 CLEAN WORKROOM 2 19 25 0 0 25

102 FILE STORAGE 63 - 0 - - 0.12 7.6 8 0.8 9 - - - - 25 0 0 0

101 NURSE STATION 145 5 3 5 15 0.06 8.7 24 0.8 30 - - - - 50 0 0 0

100 WAITING ROOM 67 10 2 5 10 0.06 4.0 14 0.8 18 - - - - 25 0 0 0

Az Pz Rp Vbzp Ra Vbza Vbz Ez Voz FT MIN. OA ACH CFM ACH

ROOM NUMBER ROOM NAME

TOTAL

AREA

(SQFT)

DEFAULT

OCCUPANT

DENSITY

#/1,000 SQFT

ZONE NO.

OF

PEOPLE

CFM PER

PERSON

Rp*Pz

(CFM)

CFM

PER

SQFT.

Ra*Rz

(CFM)

Vbzp+Vbza

(CFM)

Voz=Vbz/E z

(CFM)

CEILING

HEIGHT

ASHRAE 170 FUNCTION

OF SPACE

ASHRAE 170

REQUIRED OA

PER ASHRAE

SCHEDULED

OUTDOOR

AIRFLOW

(CFM)

REQUIRED

EXHAUST

ASHRAE 170

REQUIRED

EXHAUST

AIRFLOW

RATE (CFM)

SCHEDULED

EXHAUST

AIRFLOW

(CFM)

MINIMUM VENTILATION RATES FROM TABLE 403.3, 2019 OREGON MECHANICAL SPECIALTY CODE & ASHRAE 170

REQUIRED OUTSIDE AIR FLOW RATE

4. PROVIDE ALL DAMPERS AS REQUIRED BY THE ENERGY CODE. INSTALL AS PER MANUFACTURER'S RECOMMENDATIONS. PROVIDE ALL COMPONENTS REQUIRED FOR CONTROL AS PER THE SEQUENCE OF OPERATIONS.

3. INSTALL UNIT ON MANUFACTURER'S ROOF CURB. MINIMUM HEIGHT 14"

2. UNIT TO HAVE CONTROL BOARD FOR INTEGRATION INTO MANUFACTURER OF VRF EQUIPMENT CONTROLS FOR ENABLE/DISABLE TIME SCHEDULING FROM THE VRF CONTROL FRONT END.

1. PROVIDE MERV 13 PRE-FILTER PRIOR TO SUPPLY AND EXHAUST FANS

REMARKS:

WINTER 80.8 77.6 25 20.5 60.9 48 Aux Heat 5.5 15 208/3/60 65

ERV-01 ROOF RENEWAIRE HE1.5XRT

SUMMER 80.8 76.8

101 395 0.5 1

92.9 67 78.6 63.2 390 0.5 1

ERV 13.9 15 208/1/60 548

SENSIBLE LATENT TOTAL

AIRFLOW

(CFM)

ESP

(IN WG)

MOTOR (HP)

EAT DB

(DEG F)

EAT WB

(DEG F)

LAT DB

(DEG F)

LAT WB

(DEG F)

AIRFLOW

(CFM)

ESP

(IN WG)

MOTOR (HP)

EAT DB

(DEG F)

EAT WB

(DEG F)

LAT DB

(DEG F)

LAT WB

(DEG F)

CONNECTION POINTS MCA MOCP SINGLE POINT V/PH/HZ

EQUIP. NO LOCATION SERVICE

BASIS OF DESIGN

MANUFACTURER

BASIS OF DESIGN SERIES MODE

EFFICIENCY

AIR VELOCITY

(FPM)

SUPPLY AIR EXHAUST AIR ELECTRICAL

WEIGHT LBS REMARKS

ENERGY RECOVERY VENTILATOR SCHEDULE

5. WHITE FACEPLATE, HOT ROLLED STEEL WITH 3/16" DIA. HOLES.

4. ALUMINUM, WHITE FOR GWB CEILING, 3/4" BLADE SPACING, 35 DEG. FIXED DEFLECTION

3. BORDER TO MATCH CEILING TYPE.

2. STEEL, WHITE, ROUND NECK, SEE MECHANICAL FLOOR PLANS FOR NECK SIZE

1. SEE MECHANICAL FLOOR PLANS FOR DUCT SIZE AND CFM

REMARKS:

EG-2 CEILING EXHAUST GRILLE PRICE MSRRP MAX SECURITY GRILLE, PERFORATED CORE 30 1,5

EG-1 CEILING EXHAUST GRILLE PRICE 630 SINGLE DEFLECTION GRILLE, 12"x12" FACE 30 1,4

CD-1 CEILING SUPPLY DIFFUSER PRICE SMCD 4-WAY ADJUSTABLE, MODULAR CORE DIFFUSER, 24"x24" 30 1,2,3

EQUIP. NO LOCATION SERVICE

BASIS OF DESIGN

MANUFACTURER

BASIS OF DESIGN

SERIES

DESCRIPTION

MAXIMUM SOUND

PRESSURE (dBA)

REMARKS

DIFFUSER-GRILLE SCHEDULE

B

A

C

(E) 9X9

(E) 9X9

(E) TU 4-30

(E) TU 4-32

(E) 36X16

(E) 12X12(E) 16X8

(E

X

(E) 9X9

(E) 10X8

(E

X

(E) 9X9

(E) 9X9

(E) 6X6

(E) 5"Ø

(E) 5"Ø

(E) 10"Ø

(E

"Ø

(E) 6X6

(E) 15X15

(E) 12X12

(E) 6X6

(E) 9X9

(E) TU 4-31

(E) 15X15

(E) 12X12

(E) 12X12

210240

(E) 12X12

(E) 12X12

(E) 6X6

(E) 8"Ø (E) 8"Ø

(E) 10X10

(E) 6"Ø

(E) 5"Ø

(E) 13"Ø

(E) 9"Ø

(E) 9"Ø

(E

8" Ø

(E

7" Ø

(E) 9X9

(E) 9X9

(E) 9X9

(E) 6"Ø

(E) 6"Ø

(E) 6"Ø

(E) 9X9

(E) 6X6

(E

X

(E

6" Ø

REBALANCE EXISTING

TERMINAL UNITS ASSOCIATED

WITH THIS SYSTEM

PROJECT NO.:

ISSUE DATE:

REVISIONS:

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111 SW Fifth Ave, Ste 2120 Portland, Oregon 97204

Tel 503.416.2400 Fax 206.267.1701

SAZAN# 257-20047

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MECHANICAL

DEMOLITION - FLOOR

PLAN

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1/4" = 1'-0"MD1.01

1 MECHANICAL DEMOLITION - FIRST FLOOR PLAN

1. SUPPLY AND RETURN AIR DROPS FROM EXISTING ACU-4 TO

REMAIN.

2. DEMOLISH EXISTING TERMINAL UNIT, ASSOCIATED CONTROLS

AND WIRING.

3. DEMOLISH EXISTING DUCTWORK AND ASSOCIATED HANGERS.

4. CAP EXISTING AIR DUCT

1FLAG NOTES:

SHEET NOTES:

1. DRAWINGS ARE SCHEMATIC IN NATURE. NOT ALL EXISTING

FIXTURES, FITTINGS OR BRANCHES ARE SHOWN. IT IS UP TO

THE CONTRACTOR TO FIELD VERIFY ALL EXISTING CONDITIONS

AND THE EXTENT OF WORK REQUIRED.

2. CONTRACTORS TO LOCATE AND PRESERVE ALL PORTIONS OF

THE EXISTING HVAC SYSTEM TO BE REUSED. ANY EXISTING

DAMAGE TO THE EXISTING HVAC SYSTEM TO BE REUSED WILL

BE REPLACED/REPAIRED BY THE CONTRACTOR AS PART OF

THIS CONTRACT.

3. ANY DAMAGE CAUSED TO THE EXISTING SYSTEM TO BE REUSED

WILL BE REPAIRED/REPLACED BY THE CONTRACTOR AT NO

ADDITIONAL COST TO THE OWNER.

4. WHERE EXISTING EXHAUST DUCTWORK IS TO BE MODIFIED,

MEASURE EXISTING AIRFLOW PRIOR TO DEMOLITION.

REBALANCE GRILLES DOWNSTREAM OF MODIFICATION TO

PRE-DEMO AIRFLOWS AFTER MODIFICATIONS ARE COMPLETE.

5. WHERE EXISTING SUPPLY DUCTWORK IS TO BE MODIFIED

MEASURE EXISTING AIRFLOW ON ALL BRANCHES DOWNSTREAM

OF THE TERMINAL UNIT SERVING THE MODIFIED AREA PRIOR TO

DEMOLITION. RE-BALANCE ALL DIFFUSERS/BRANCES

DOWNSTREAM OF THE TERMINAL UNIT SERVING THE MODIFIED

AREA TO PRE-DEMO AIRFLOW AFTER MODIFICATIONS ARE

COMPLETE.

6. DIFFUSERS AND GRILLES IN CEILING GRIDS TO BE REPLACED

SHALL BE REMOVED U.N.O.

B

A

C

57 SF

STAFF TLT

63 SF

FILE STORAGE

142 SF

MED EXAM

71 SF

DENTAL UTILITY

59 SF

OFFICE

87 SF

PSYCH OFFICE

106 107 SF

PSYCH OFFICE

108 SF

DENTAL EXAM

58 SF

MED UTILITY

45 SF

PAT TLT

45 SF

SOILED HOLDING/

POCT

144 SF

NURSE STATION

291 SF

HALLWAY

67 SF

WAITING

FCU-01

T

T

T

T

T

TT

T

FCU-02

FCU-04

FCU-09

FCU-03

FCU-08

FCU-07

FCU-06

CAP

66X24

EDH-01

FCU-10

X

CAP

CAP

4"Ø

6"Ø

6"Ø

8"Ø

6"Ø

4"Ø

8"Ø

4"Ø

4"Ø

4"Ø

FCU-05

T

6"Ø

CD-1

6X6

EG-1

6X6

EG-2

6X6

EG-1

6"Ø

CD-1

6X6

EG-1

6X6

EG-1

6X6

EG-16"Ø

6"Ø

8"Ø

6"Ø

6"Ø

12X12

8"Ø 6"Ø

6"Ø

6"Ø

8"Ø

BS-01

BS-02

4 (TYP)

4 (TYP)

T 7

3"Ø

3"Ø

6X6

EG-1

6"Ø

CD-1

PROJECT NO.:

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MECHANICAL - FLOOR

PLAN

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1/4" = 1'-0"M2.01

1 MECHANICAL FIRST FLOOR PLAN

1FLAG NOTES:SHEET NOTES:

1. PLANS ARE DIAGRAMMATIC IN NATURE AND REPRESENT

CONCEPTUAL ROUTING ONLY. CONTRACTOR IS RESPONSIBLE

FOR FIELD VERIFICATION OF ALL ACTUAL CONDITIONS AND

COORDINATING WITH OTHER TRADES.

2. ALL DIFFUSERS, GRILLES AND REGISTERS TO BE PROVIDED

WITH A BALANCING DAMPER.

3. PENETRATION AT ALL RATED ASSEMBLIES TO BE PROPERLY

SEALED.

1. SUPPLY AND RETURN AIR DUCT FROM ERV-01 ON ROOF.

2. RETURN AIR OPENING IN PLENUM SPACE ABOVE THE EXISTING

CORRIDOR.

3. PROVIDE DUCT WITH 1" INTERNAL ACOUSTICAL LINING.

4. PROVIDE A 24X18 CEILING ACCESS PANEL ON PIPING CONNECTION SIDE

OF THE CASSETTE FAN COIL UNIT.

5. PROVIDE 24X24 ACCESS PANEL FOR ELECTRIC DUCT HEATER.

6. PROVIDE BURGLAR BAR AT RETURN AIR OPENING.

7. REPLACE EXISTING THERMOSTAT ASSOCIATED WITH SPACE HEATER.

8. CONDITIONED SUPPLY AIR DOWN TO COMPRESSOR.

9. CONTRACTOR TO COORDINATE EXACT LOCATION OF BRANCH

SELECTOR WITH LIGHTING.

B

A

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(E) ACU-04

HP-01

ERV-01

PROJECT NO.:

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MECHANICAL - ROOF

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1/4" = 1'-0"M2.02

1 MECHANICAL ROOF PLAN

B

A

C

57 SF

STAFF TLT

63 SF

FILE STORAGE

142 SF

MED EXAM

71 SF

DENTAL UTILITY

59 SF

OFFICE

87 SF

PSYCH OFFICE

107 SF

PSYCH OFFICE

108 SF

DENTAL EXAM

58 SF

MED UTILITY

45 SF

PAT TLT

45 SF

SOILED HOLDING/

POCT

144 SF

NURSE STATION

291 SF

HALLWAY

67 SF

WAITING

BS-02

BS-01

FCU-10

FCU-02

FCU-01

FCU-04

FCU-03

FCU-09

FCU-08

FCU-07

FCU-06

FCU-05

EDH-01

CO

CO

CO

3/4" CD DN

3/4" CD DN

3/4" CD DN

EMERGENCY

GENERATOR

(E)

ENGINEERING

(E)

OFFICE

(E)

CO

3/4" CD DN

CO

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MECHANICAL PIPING

PLAN

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1 Addendum 1 06-01-21

1/4" = 1'-0"M3.01

1 MECHANICAL PIPING - FIRST FLOOR PLAN

#FLAG NOTES:SHEET NOTES:

1. PLANS ARE DIAGRAMMATIC IN NATURE AND REPRESENT

CONCEPTUAL ROUTING ONLY. CONTRACTOR IS RESPONSIBLE

FOR FIELD VERIFICATION OF ALL ACTUAL CONDITIONS AND

COORDINATING WITH OTHER TRADES.

1. PROVIDE REFRIGERANT ISOLATION VALVE AT PIPING CONNECTION FOR

VRF EQUIPMENT.

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ERV-01

HP-01

(E) ACU - 4

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MECHANICAL PIPING -

ROOF PLAN

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1/4" = 1'-0"M3.02

1 MECHANICAL PIPING - ROOF PLAN

A. OUTBOARD FASTENERS B. INBOARD FASTENERS

MINI OUTDOOR

UNIT

MINI OUTDOOR

UNIT

AIR FLOW

1 2

1 2

5 5

1. MOUNTING MUST BE EITHER INBOUND (VIEW A) OR OUTBOUND (VIEW B) PER

UNISTRUT RUN. MIXING AN OUTBOUND MOUNTING INBOUND MOUNTING ALONG A

SINGLE UNISTRUT RUN IS NOT PERMITED.

2. VIBRATION ISOLATION NOT SHOWN.

3. ALL ROOFING TO BE DONE BY ROOFING CONTRACTOR TO MAINTAIN WARRANTY.

AIR FLOW

GENERAL NOTES:

FLAG NOTES:

1 PROVIDE NEOPRENE VIBRATION ISOLATION.

FASTEN OUTDOOR UNIT TO HORIZONTAL BRACING.

HORIZONTAL BRACING TO BE UNISTRUT OR STEEL CHANNEL. LENGTH TO

OVERLAP ROOF SLEEPERS BY NO LESS THEN 1".

SLEEPER CAP. TO BE FABRICATED TO OVERLAP ALL 4 SIDES OF SLEEPER, AND

COMPLETELY COVER ANY FASTENERS PENETRATING ROOF MEMBRANE.

SLEEPER. TO BE FURNISHED AND INSTALLED BY CARPENTER, FRAMER,

STRUCTURAL CONTRACTOR OR ROOFER.

ROOFING.

ANGLED SHEET METAL OR ANGLE IRON.

FASTEN ANGLE TO SLEEPER AS SHOWN. SEAL PENETRATION IN ROOFING WITH

CALKING RATED FOR ROOFING MATERIAL. ENSURE FASTENER IS COMPLETELY

COVERED BY SLEEPER CAP.

ALL THREAD ROD, FASTENED IN PLACE BY NUTS AS SHOWN. SECURE WITH

NYLON NUTS AT TOP AND BOTTOM.

CONICAL CONNECTION

RECTANGULAR DUCT

VOLUME DAMPER - COORDINATE

FOR ACCESSIBLE LOCATIONFLEXIBLE OR

SOLID DUCT

BRANCH DUCT TAKE-OFF

PLAN VIEW

W

(1/4)'W' OR 4" MIN.

A

IR

F

LO

W

AIRFLOW

VOLUME DAMPER

MAIN SUPPLY

DUCT

AIR SPLIT DUCT TAKE-OFF

PLAN VIEW

SUPPLY REGISTER TAKE-OFF

PLAN VIEW

VOLUME

DAMPER

(TYP)SUPPLY REGISTER

OR BRANCH DUCT

AIRFLOW

MAIN SUPPLY

DUCT

TURNING VANES

SEE FLOOR

PLAN FOR SPLIT

DIMENSION

AIRFLOW

A

IR

F

LO

W

REGISTER

MAIN SUPPLY

DUCT

ADJUSTABLE

METAL ROD

OR LINKAGE

AIRFLOWAIRFLOW

VOLUME EXTRACTOR;

ADJUSTABLE FROM FULLY

CLOSED POSITION TO CFM

NOTED ON FLOOR PLANS

CONDENSATE DRAIN PIPE

ROUTED IN THE WALL

CONDENSATE DRAIN PIPE

TURNED OUTSIDE THE WALL

SINK/LAVATORY

P-TRAP

CLEAN OUT

45 DEGREE WYE

SINK

SUPPLY DUCT

SPIN-IN FITTING WITH

VOLUME DAMPER

CLAMP (TYP.)

DIFFUSER NECK, SEE PLANS

FOR SIZE

SECURE ELBOW TO DIFFUSER WITH A

MINIMUM OF 4 SHEETMETAL SCREWS

LAY-IN T-BAR CEILING SHOWN,

VERIFY TYPE OF CEILING.

SEE SCHEDULE

INSULATED FLEXIBLE DUCT MAX. 5'-0"

STRAP HANGER, 1" WIDE. BOLT AROUND DUCT AND

EXTEND A SINGLE STRAP UP TO STRUCTURE

ADJUST SUPPORT TO RELIEVE STRAIN FROM

DIFFUSER

SHEETMETAL ELBOW, CENTERLINE RADIUS 1.5 X THE

DIAMETER OF THE DUCT. NOTE: WHERE CENTERLINE RADIUS

(1.5 X THE DIAMETER OF THE DUCT) CAN NOT BE MAINTAINED

SHORT RADIUS RIGID METAL ELBOW MAY BE USED.

NOTES:

1. PROVIDE WITH TAMPER PROOF FASTENERS WHERE INDICATED IN

SECURITY PLANS.

CEILING DIFFUSER

SQUARE

DIFFUSER NECK

DUCT

CONNECTION SIZE

INSULATED PLENUM

SCREWED TO DIFFUSER NECK

40% FREE AREA PERFORATED

PLATE ACROSS PLENUM TOP OF

PLATE AT CENTERLINE OF INLET

CLAMP (TYP.)

SPIN-IN FITTING WITH

VOLUME DAMPER

SUPPLY DUCT

INSULATED

FLEXIBLE DUCT

MAX. 5'-0"

STRAP HANGER, 1" WIDE. BOLT TO

PLENUM AND EXTEND A STRAP UP

TO STRUCTURE ADJUST SUPPORT

TO RELIEVE STRAIN FROM DIFFUSER.

CEILING

4"

2"

NOTES:

1. CHECK THAT THERE IS ENOUGH HEIGHT.

2. SQUARE DIFFUSER NECK IS REQUIRED - INSURE THAT SCHEDULES MATCH.

3. PROVIDE WITH TAMPER PROOF FASTENERS WHERE INDICATED IN

SECURITY PLANS.

1. GENERAL

1.1. THE PACKAGED ENERGY RECOVERY VENTILATOR (ERV) IS COMPOSED OF FILTERS, A SUPPLY FAN, AN EXHAUST FAN, AN

OUTSIDE AIR DAMPER, A RETURN AIR DAMPER, AND A HEAT EXCHANGE CORE.

2. OCCUPANCY SPACE CONDITIONING

2.1. THE BUILDING IS TO BE ASSUMED OCCUPIED BASED ON OWNER SUPPLIED SCHEDULE.

2.2. THE ERV IS TO SUPPLY THE OUTSIDE AIR AND EXHAUST THE RETURN AIR, AS SCHEDULED TO / FROM EACH SPACE.

2.3. THE ERV FANS ARE TO BE ON, AND RUN EVEN IF COOLING OR HEATING IS NOT REQUIRED TO MAINTAIN CONTINUOUS

MINIMUM OUTSIDE AIR, REQUIRED BY CODE.

2.3. WHEN OUTSIDE AIR CONDITIONS ARE IDEAL, THE ERV SHALL UTILIZE THE ECONOMIZER BYPASS TO DELIVER AIR AT

TEMPERATURE EQUAL TO SUPPLY AIR TEMPERATURE WITHOUT ANY HEATING OR COOLING STAGES ENABLED.

3. FILTER STATUS

3.1. A FILTER DIFFERENTIAL PRESSURE TRANSDUCER SHALL READ THE PRESSURE DROP ACROSS THE FILTER. WHEN A

READING EQUALS 90% OF THE FILTER DIRTY THRESHOLD CREATE A MAINTENANCE ALERT.

4. EMERGENCY SHUTDOWN, FIRE ALARM

4.1. IF THE FIRE ALARM SYSTEM SIGNALS A GENERAL ALARM, THE ERV CONTROL SYSTEM SHALL SHUTDOWN ALL OF THE

EQUIPMENT FOLLOWING RECEIPT OF SIGNAL VIA THE GENERAL FIRE ALARM RELAY.

4.2. IF THE RETURN AIR DUCT MOUNTED SMOKE DETECTOR SIGNALS A FIRE ALARM, AUXILIARY CONTACTS SHALL INDICATE

THE DETECTOR ALARM TO THE FIRE ALARM SYSTEM AND A HARD WIRED INTERLOCK TO THE ERV CONTROLS SHALL

DISABLE POWER TO THE FANS.

5. ERV TO BE INTEGRATED INTO VRF CONTROLLER.

1. GENERAL

1.1. THE SPLIT SYSTEM HP UNIT CONSISTS OF MULTIPLE INDOOR FAN COILS (FCU) AND A GARAGE

MOUNTED OUTDOOR CONDENSING UNITS, (CU), INTERLOCKED WITH THEIR RESPECTIVE FAN COIL

UNITS.

2. SPACE CONDITIONING

2.1. COOLING MODE

2.1.1. A TEMPERATURE SENSOR (RETURN AIR THERMISTOR, OPTIONAL REMOTE-TEMPERATURE

SENSOR, OR THERMOSTAT) SIGNALS AN INDOOR UNIT TO TURN ON WHEN THE INDOOR

TEMPERATURE ISES ABOVE THE SET POINT TEMPERATURE AND KEEPS THAT INDOOR UNIT

OPERATING UNTIL THEINDOOR TEMPERATURE FALLS BELOW THE SET POINT TEMPERATURE.

WHEN THE INDOOR UNIT IS TURNED ON, THE INDOOR UNIT CONTROLLER TURNS ON THE INDOOR

FAN TO MEET THE COOLING LOAD AND SIGNALS THE AIR SOURCE UNIT TO GO INTO COOLING

MODE. THE AIR SOURCE UNIT'S MAIN PRINTED CIRCUIT BOARD (PCB) TURNS ON THE VARIABLE-

SPEED INVERTER COMPRESSOR (INVERTER), WHICH SPEEDS UP OR SLOWS DOWN TO MATCH THE

INDOOR COOLING LOAD.

2.1.2. THE INDOOR-UNIT ELECTRONIC EXPANSION VALVE (EEV) MEETS COOLING DEMAND BY ADJUSTING

THE REFRIGERANT FLOW TO MAINTAIN SUPERHEAT. AN EEV LOCATED IN THE AIR-SOURCE

OUTDOOR UNIT STAYS FULLY OPEN AND THE FOUR-WAY REVERSING VALVE REMAINS OFF. THE

AIR SOURCE UNIT CONTROLS ITS VARIABLE-SPEED OUTDOOR FANS TO MAINTAIN A TARGET HIGH

PRESSURE. THE INVERTER RUNS AT 30 HZ WHEN STARTING.

2.1.3. AIR SOURCE UNIT COMPRESSORS FOLLOW THIS SEQUENCE FOR NORMAL COOLING MODE:

2.2. HEATING MODE

2.2.1. A TEMPERATURE SENSOR (RETURN AIR THERMISTOR, OPTIONAL REMOTE-TEMPERATURE

SENSOR, OR THERMOSTAT) SIGNALS AN INDOOR UNIT TO TURN ON WHEN THE INDOOR

TEMPERATURE FALLS BELOW THE SET POINT AND KEEPS THAT INDOOR UNIT OPERATING UNTIL

THE INDOOR TEMPERATURE RISES ABOVE THE SET POINT TEMPERATURE. WHEN AN INDOOR UNIT

IS TURNED ON, ITS INDOOR UNIT CONTROLLER SIGNALS THE AIR SOURCE UNIT TO TURN ON

HEATING MODE. THE FOUR-WAY REVERSING VALVE SWITCHES TO HEATING MODE. THE AIR

SOURCE UNIT'S MAIN PCB TURNS ON THE INVERTER, WHICH SPEEDS UP OR SLOWS DOWN TO

MATCH THE INDOOR HEATING LOAD. ONCE THE INDOOR-UNIT COIL TEMPERATURE REACHES 76°F, THE INDOOR UNIT FAN TURNS ON TO MEET THE HEATING LOAD.

2.2.2. THE INDOOR UNIT EEV MEETS HEATING DEMAND BY ADJUSTING REFRIGERANT FLOW THROUGH

THE COIL TO MAINTAIN SUB COOLING. COMPRESSOR SPEEDS ARE ADJUSTED TO MEET HEATING

DEMAND. THE AIR SOURCE EEV OPENS AS NEEDED TO MAINTAIN SUPERHEAT. THE AIR SOURCE

UNIT CONTROLS ITS VARIABLE-SPEED OUTDOOR FANS TO MAINTAIN A LOW PRESSURE TARGET.

THE INVERTER RUNS AT 30 HZ WHEN STARTING.

2.2.3. AIR SOURCE UNIT COMPRESSORS FOLLOW THIS SEQUENCE IN HEATING MODE:

3. DEFROST CYCLE

3.1. THE DEFROST CYCLE MELTS FROST THAT ACCUMULATES ON OUTDOOR-UNIT HEAT EXCHANGERS

DURING HEATING MODE. THE DEFROST CYCLE IS INITIATED BASED ON ANY ONE OR A COMBINATION

OF OUTDOOR AMBIENT TEMPERATURE, HEAT EXCHANGER TEMPERATURE, INDOOR-UNIT PIPE-IN

TEMPERATURE, ELAPSED TIME FROM PREVIOUS DEFROST, COMPRESSOR OPERATION TIME AND

VARIOUS DIFFERENTIAL PRESSURE VARIABLES.

4. OIL MANAGEMENT

4.1. THE SYSTEM SHALL HAVE AN OIL LEVEL SENSOR IN THE COMPRESSOR TO PROVIDE OIL LEVEL

SENSING DATA TO THE MAIN CONTROLLER. THE SENSOR SHALL PROVIDE DATA TO THE MAIN

OUTDOOR UNIT PCB TO START OIL RETURN MODE AND BALANCE OIL LEVELS BETWEEN MULTIPLE COMPRESSORS. THE SYSTEM SHALL ONLY INITIATE AN OIL RETURN CYCLE IF THE SENSED OIL LEVEL IS BELOW TARGET VALUES AS DETERMINED BY THE MICROPROCESSOR. THE SYSTEM SHALL DISPLAY AN ERROR IF THE OIL SENSOR SIGNALS LOW OIL LEVEL FOR A PERIOD OF 130 MINUTES OR LONGER. A DEFAULT OIL RETURN ALGORITHM SHALL AUTOMATICALLY INITIATE THE OIL RETURN MODE IF THE

SYSTEM DETECTS A FAILURE OF THE OIL SUMP SENSOR.

PROJECT NO.:

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MECHANICAL DETAILS

04.02.21

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12" = 1'-0"

SLEEPER MOUNTING DETAIL - MINI SPLIT

12" = 1'-0"

SUPPLY DUCTWORK TAKE-OFFS DETAIL

12" = 1'-0"

CONDENSATE DRAIN TAIL-PIECE TIE-IN

12" = 1'-0"

CEILING DIFFUSER DETAIL

12" = 1'-0"

MEC 01.02 - CEILING DIFFUSER W- PLENUM DETAIL

ERV SOO

VRF SOO