Meadows ES - COOLING UPGRADES - Mechanical and Plumbing~1.pdf

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Attached to
Centennial 4- Site Mechanical Cooling
Solicitation number
S-P26028-00009492
Issued by
Multnomah County, Oregon

About this file

This document appears to be a set of drawings and technical specifications for a mechanical and plumbing upgrade project at Meadows Elementary School in Portland, Oregon. The project involves the installation of new cooling equipment, including a 4-ton condensing unit and several wall-mounted fan coil units, to serve the main office and support spaces. The drawings provide details on the equipment schedules, refrigerant piping routing, condensate drainage, and controls integration with the existing building automation system.

The related state and local contract opportunity is for the "Centennial 4- Site Mechanical Cooling" project, which appears to involve multiple schools or sites located within Multnomah County and the City of Portland, Oregon. The project likely involves similar mechanical cooling upgrades at these other locations. No additional details are provided on the specific quantities, response due dates, award dates, or contract term for this broader project opportunity.

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Text version

SHEET INDEX

MP0.1 SYMBOLS LIST, GENERAL NOTES DETAILS & SCHEDULES -

MECH & PLUMBING

MP1.0 OVER FLOOR PLAN - MECHANICAL & PLUMBING

MP2.0 ENLARGED FLOOR PLANS - MECHANICAL & PLUMBING

Abbreviations

AIR CONDITION(ED)A/C

ACCESS DOORAD

ABOVE FINISHED FLOORAFF

BACKDRAFT DAMPERBDD

BELOW FINISHED FLOORBFF

BACKFLOW PREVENTERBFP

BRAKE HORSEPOWERBHP

CEILING DIFFUSERCD

CONDENSATE DRAINCD

CONTINUATIONCONT.

COEFFICIENT OF PERFORMANCECOP

CONDENSING UNITCU

CHECK VALVECV

COLD WATERCW

DROPD

DECIBELDB

DRY BULBDB

DIAMETERDIA

DIRECT EXPANSIONDX

ENTERING AIR TEMPERATUREEAT

ENERGY EFFICIENCY RATINGEER

EXHAUST FANEF

EFFICIENTEFF

ELECTRICALELECT

ENTERING WATER TEMPERATUREEWT

EXHAUSTEXH

FAHRENHEITF

FIRE DAMPERFD

FULL LOAD AMPSFLA

FEETFT

GALLONSGAL

GALLONS PER HOURGPH

GALLONS PER MINUTEGPM

HEADHD

HORSEPOWERHP

HEATINGHTG

HEATERHTR

HOT WATER COILHWC

INSIDE DIAMETERID

INVERT ELEVATIONIE

INCHESIN

KILOWATTKW

LEAVING AIR TEMPERATURELAT

POUNDSLBS.

LATENT HEATLH

MIXED AIRMA

MAXIMUMMAX

THOUSAND BTU'S PER HOURMBH

MOTORIZED DAMPERMD

MINIMUMMIN

NOT APPLICABLEN/A

NOT IN CONTRACTNIC

NUMBERNO.

NOT TO SCALENTS

OUTSIDE AIROA

OPPOSED BLADE DAMPEROBD

ON CENTEROC

OUTSIDE DIAMETEROD

PRESSURE DROPPD

PHASEPH

PRESSURE REDUCING VALVEPRV

POUNDS PER SQUARE INCHPSI

QUANTITYQTY

RISER

RETURN AIRRA

RETURNRET

REVOLUTIONS PER MINUTERPM

SUPPLY AIRSA

SEASONAL ENERGY EFFICIENCY RATINGSEER

SQUARE FEETSF

SENSIBLE HEATSH

SHUT OFF VALVESOV

STATIC PRESSURESP

TEMPERATURET, TEMP

TEMPERATURE DIFFERENCETD

TOTAL HEATTH

TOTAL PRESSURETP

VOLTV

WITHW/

WATTW

WET BULBWB

WATER COLUMNWC

Piping Fittings, Appurtenances and Equipment

CAP

CONTINUATION

Piping Systems

REFRIGERANT LIQUID AND SUCTION

MECHANICAL SYMBOL LIST

NOTE: This is a standard symbol list and not all items listed may be used.

ROOF DECK.

LAP SEALANT.

CLAMPING STRAP.

STAINLESS STEEL

MEMBRANE.

ROOFING

SPLICE ADHESIVE.

NOTE:

INSULATION.

RIGID

ALUMINUM

PIPE COVER.

USE ROOF MEMBRANE

MANUFACTURER'S

MATERIALS. PATCH

AND REPAIR ROOF TO

COMPLY WITH ALL

ROOF WARRANTIES.

PRE-FAB

PIPE FLASHING.

LAP SEALANT.

SEE DETAIL 1/M0.1

PIPE COVER.

ALUMINUM

AIRTIGHT.

SPRAY FOAM INSULATION

FILL CAVITY WITH

TO FAN/COIL UNIT.

ROUTE REFRIGERATION PIPES

18 GA. SHEETMETAL CAP.

FLASHING.

ROOFING AND

SILICONE

ROOF.

SEAL.

COVER.

GALV OR ZINC-A-LUME

PIPES.

INSULATED REFRIGERANT

CONDENSING UNIT.

MAINTAIN CLEARANCES

AS SPECIFIED BY

MANUFACTURER.

PLATFORM CONSTRUCTION

TO BE COORDINATED WITH

ARCHITECT.

CURB (HEIGHT AS REQUIRED)

[1/8"] AIRCRAFT

CABLE. SEISMIC

GUY WIRE TYP.

OF FOUR SIDES.

SECURELY

FASTEN TO UNIT

CURB.

SEE STRUCTURAL FOR

ATTACHMENT TO ROOF.

METAL STUDS.

[5/8"] EYE BOLT

ATTACHED WITH

NUT AND WASHER

BOTH SIDES.

BOTH SIDES.

NUT AND WASHER

ATTACHED WITH

[5/8"] EYE BOLT

AIRCRAFT CABLE ATTACHMENT

CAPABLE OF WITHSTANDING

[80 LBS OF FORCE].

NOTE:

NO SCALE

1 REFRIGERANT PIPING COVER PENETRATION

ROOFTOP CONDENSING UNIT CURB2

NO SCALE

REF

HVAC CONTROLS NOTES

A. PROVIDE EACH MULTIZONE HEAT PUMP WITH A BAS INTEGRATION CONTROLLER

FOR COMBATIBILITY WITH INTERFACING WITH CONNECTION TO THE EXISTING

BACNET BUILDING AUTOMATION SYSTEM WITH AVAILABLE READ/WRITE POINTS

FROM THE HEAT PUMP CONTROLLER INCLUDING: ON/OFF, SET POINT, ROOM

TEMPERATURE, OPERATION MODE, FAN SPEED, LOUVER POSITION, ERROR CODE

AND INTERLOCK CONTROL WITH INDOOR UNIT ON/OFF.

B. EXTEND EXISTING BUILDING AUTOMATION SYSTEM TO CONNECT TO NEW HEAT

PUMP EQUIPMENT BUILDING AUTOMATION SYSTEM INTEGRATOR AND PROVIDE NEW

READ/WRITE AND BAS GRAPHICS FOR BUILDING AUTOMATION INTEGRATION.

C. NEW HEAT PUMP REFRIGERATION SYSTEM WILL BE CONTROLLED BY THE

MANUFACTURER PROVIDED CONTROLLER. SCHEDULING, ON/OFF CONTROL AND

TEMPERATURE SET POINT CONTROL WILL BE CONTROLLED THROUGH THE

BUILDING AUTOMATION SYSTEM. PROVIDE ADDITIONAL THIRD PARTY

TEMPERATURE SENSORS AS REQUIRED TO MAINTAIN BUILDING AUTOMATION

SYSTEM MONITORING FOR EACH ZONE SERVED BY NEW HEAT PUMPS.

D. HEAT PUMPS WILL OPERATE TO PROVIDE COOLING ONLY. HEATING AND

VENTILATION IS PROVIDED BY THE EXISTING HVAC SYSTEM. LOCK-OUT HEAT PUMP

HEATING OPERATION AND PROVIDE A TEMPERATURE SET POINT DEAD BAND

BETWEEN HEATING AND COOLING TO PREVENT SIMULTANEOUS HEATING AND

COOLING OPERATION OF THE EXISTING HEATING SYSTEM AND NEW HEAT PUMPS.

E. THE WORK OF THIS DIVISION SHALL BE PROVIDED BY A HONEYWELL AUTHORIZED

CONTROL INTEGRATOR (ACI). THE FOLLOWING CONTRACTORS ARE:

1. HUNTER-DAVISSON

2. MACDONALD MILLER

3. NORTHWEST CONTROL CO.

4. NO ALTERNATES OR SUBSTITUTION WILL BE ACCEPTED.

3 CONDENSATE DRAIN CONNECTION

NO SCALE

CONDENSATE DRAIN

DOWN IN WALL.

C.P. ESCUTCHEON.

3/4" COPPER DRAIN FROM

FURNACE.

3/4" I.D. APPROVED HOSE

AND S.S. HOSE CLAMPS.

P-TRAP.

NOTE:

ADJUST ROUGH-IN

HEIGHT AS REQ'D.

CABINET TOP.

LOCATE PENETRATION

THROUGH WALL NEAR

CONNECTION TO MINIMIZE

EXPOSED PIPING.

REVISIONS

DATE

JOB NO.

CHECKED BY

DRAWN BY

SHEET NUMBER

SHEET TITLE

100 SW Main Street Suite 1600 Portland, OR 97204

TEL 503.382.2266

www.interfaceengineering.com

Shem Heiple

2023-1707

1/23/2024

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12/31/25EXPIRES:

SYMBOLS LIST,

GENERAL NOTES

DETAILS &

SCHEDULES -

MECH & PLUMBING

JR

MP0.1

FILE: MP0.1.DWG - MP0.1 | EDIT: 1/23/2024 2:14 PM BY JESUSR | PLOT: 1/23/2024 3:21 PM BY JESUS RODRIGUEZ

AMB. MAX. APPROX

NOM. CAP. TEMP. OF EFF. EFF. WT. DIMS

SYMBOL AREA SERVED TONS (MBH) ( °F ) DESIGN (EER2) (SEER2) (LBS) (WxDxH) VOLT/PH MCA MOCP NOTES CU-1 MAIN OFFICE 4 48.0 95 DAIKIN 5MXS48WVJU9 10.5 20.6 250 44x18x35 208/1 33.2 35 1

NOTES:

1. R-410A REFRIGERANT.

CONDENSING UNIT SCHEDULE

COOLING

BASIS MIN. MIN.

ELECTRICAL

BASIS MAX. APPROX

NOM. COND. TOTAL MIN SENS. OF WT. DIMS MOTOR

SYMBOL AREA SERVED TONS UNIT (MBH) (MBH) (F DB) (F WB) DESIGN (LBS) (WxDxH) VOLT/PH FLA NOTES FCU-1 OFFICE 0.75 CU-1 7.2 5.0 80.0 67.0 DAIKIN FTXS09WVJU9 30 32x9x12 208/1 0.09 1,2,3,4,5,6

FCU-2 OFFICE WAITING 1.25 CU-1 14.4 10.1 80.0 67.0 DAIKIN FTXS15WVJU9 50 42x10x14 208/1 0.09 1,2,3,4,5,6

FCU-3 NURSE 0.75 CU-1 7.2 5.0 80.0 67.0 DAIKIN FTXS09WVJU9 30 32x9x12 208/1 0.09 1,2,3,4,5,6

NOTES:

1. WALL MOUNTED FAN COIL. TOTAL CAPACITY LISTED IS THE CORRECTED CAPACITY FOR UNITS CONNECTED TO 4-TON MULTIZONE CONDENSING UNIT.

2. MANUFACTURER PROVIDED CONDENSATE PUMP KIT.

3. CONDENSATE OVERFLOW SHUT-OFF FLOAT SWITCH.

4. WIRED REMOTE THERMOSTAT WITH SCHEDULING, SETPOINT, FAN SPEED, AIRFLOW DIRECTION CAPABILITY.

5. INDOOR UNIT RECEIVES POWER FROM CONDENSING UNIT.

6. CONDENSATE PUMP RECEIVES POWER FROM FAN COIL UNIT.

DX FAN COIL SCHEDULE

COOLING ELECTRICAL

ENT. AIR

MP2.0

GYM

110SOR

LAV

BOYS

GIRLS

STOR

OFFICE

VESTIBULE

RISER

ROOM

CORRIDOR

B R K

B R K

V-

CLASSROOM

CLASSROOM

CLASSROOM

CLASSROOM

CLASSROOM

CLASSROOM

CLASSROOM

CLASSROOM

CLASSROOM

STORAGE

JANITOR STORAGE

RR - BOYSRR - GIRLS

INSTRUCTIONAL

MATERIALS

CENTER

CORRIDOR

R R

BO

YS

R R

G

IR

LS

NURSE

OFFICE

OFFICE

WORK

ROOM

OFFICE STORAGE

JA

N

IT

O

R

MUSIC

TEACHER

LOUNGE

R R

BO

YS

R R

G

IR

LS

CUSTODIAL

STORAGE

DRYING SHOWER

LO

C

KE

R

S

R R

BO

YS ST

O

R

AG

E

HALL

HALL

SHOWERSDRYING

LOCKERS

RR - GIRLS

OFFICE

STORAGE

VESTIBULE

DRAMA

PLATFORM

MULTI-PURPOSE

ROOM

CORRIDOR

CORRIDOR

KITCHEN

COAT

ROOM

KITCHEN

RR

KITCHEN KITCHEN

COOLER

KITCHEN

FREEZER

KITCHEN

DRY

STORAGE

KITCHEN

DISHWASHING

ENTRY

CORRIDOR

CLASSROOMCLASSROOM

SELF-CONTAINED

UNIT

(ELEM.) CLASSROOM

R R

G

IR

LS

R R

BO

YS SPEECH

TESTING

JANITOR INDIVIDUAL

WORK &

SMALL

GROUPS

(ELEM.)

MEDIA

CENTER

PROCESSING

PRINT

SHOP

TEACHER

WORK

CENTER

R R

G

IR

LS

R R

BO

YS

GIFTED

UNIT

SELF-CONTAINED

UNIT

(MIDDLE)

INDIVIDUAL

WORK &

SMALL

GROUPS

JANITOR

WEST

CORRIDOR

ENTRY

CORRIDOR

EAST

CORRIDOR

STORAGE RR - GIRLS RR - BOYS

STORAGE

CORRIDOR

EXISTING COVERED WALK CANOPY ABOVE

EXISTING COVERED PLAY CANOPY ABOVE

VESTIBULE

F03

F02

EXISTING CANOPY ABOVE

EXISTING CANOPY ABOVE

CLASSROOM

VESTIBULE

OFFICE

OFFICE

WAITING

RR - BOYSRR - GIRLS

KINDERGARTEN

COUNS/OFFICE

COUNSELOR

C O

U N

S/ C

O N

FE

R

EN

C

E

SPECIAL

EDUCATION

REMEDIAL

READING

CLASSROOM

CORRIDOR

BOILER

122B

ELECTRICAL

122A

CONFERENCE

H

AL

L

TOILET

REF

REF

REF

SHEET KEYNOTES

1 ROUTE REFRIGERANT LINES DOWN FROM UPPER ROOF AND

ABOVE ACCESSIBLE CEILING TO THE FCU'S LOCATED IN THE

MAIN OFFICE.

0 16' 32'

SCALE: 1/16"=1'-0"

8'

1 OVERALL FLOOR PLAN - MECHANICAL & PLUMBING

REVISIONS

DATE

JOB NO.

CHECKED BY

DRAWN BY

SHEET NUMBER

SHEET TITLE

100 SW Main Street Suite 1600 Portland, OR 97204

TEL 503.382.2266

www.interfaceengineering.com

Shem Heiple

2023-1707

1/23/2024

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12/31/25EXPIRES:

OVERALL FLOOR

PLAN -

MECHANICAL &

PLUMBING

SPL

MP1.0

R R

G

IR

LS

NURSE

OFFICE

OFFICE

WORK

ROOM

OFFICE

OFFICE

WAITING

H

AL

L

TOILET

FCU-2 FCU-3

FCU-1

1 2

3 3

T

T

T

REF

REF

REF

SHEET KEYNOTES

1 ROUTE PUMPED CONDENSATE DISCHARGE (PD) THROUGH

ADJACENT WALL TO CONNECT TO PD FROM FCU-1, EXTEND PD

DOWN ALONG INTERIOR WALL, EXPOSED. EXTEND THROUGH

EXTERIOR WALL TO DISCHARGE 12 INCHES ABOVE EXTERIOR

GRADE WITH DOWNTURN.

2 ROUTE PD DOWN ALONG INTERIOR WALL, EXPOSED. EXTEND

THROUGH EXTERIOR WALL TO DISCHARGE 12 INCHES ABOVE

EXTERIOR GRADE WITH DOWNTURN.

3 ROUTE REFRIGERANT LINES DOWN FROM UPPER ROOF AND

ABOVE ACCESSIBLE CEILING TO THE FCU'S LOCATED IN THE

MAIN OFFICE.

GENERAL SHEET NOTES

A. FOR EXTERIOR CONDENSATE DISCHARGE: DO NOT TERMINATE

CONDENSATE FROM MECHANICAL UNITS ABOVE CONCRETE

OR OTHER NONPERMEABLE SURFACE.

B. INSTALL WALL MOUNTED FCU CLOSE TO CEILING WITH MFR'S

RECOMMENDED TOP CLEARANCE. IF EXISTING CONDITIONS DO

NOT PERMIT INSTALLATION, CONTACT ENGINEER WITH

PROPOSED NEW LOCATION FOR REVIEW PRIOR TO

INSTALLATION.

C. REFRIGERANT ROUTE SHOWN DEMONSTRATES DESIGN

INTENT TO MINIMIZE EXPOSED REFRIGERANT LINESETS.

VERIFY WITH EXISTING CONDITIONS AND OBTAIN APPROVAL

FROM OWNER AND ENGINEER BEFORE PROCEEDING WITH

INSTALLATION.

CU-1

OFFICE BELOW

0 4' 8'

SCALE: 1/4"=1'-0"

2'

1 ENLARGED FLOOR PLAN - MECHANICAL

REVISIONS

DATE

JOB NO.

CHECKED BY

DRAWN BY

SHEET NUMBER

SHEET TITLE

100 SW Main Street Suite 1600 Portland, OR 97204

TEL 503.382.2266

www.interfaceengineering.com

Shem Heiple

2023-1707

1/23/2024

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12/31/25EXPIRES:

OVERALL FLOOR

PLAN -

MECHANICAL &

PLUMBING

SPL

MP2.0

0 8' 16'

SCALE: 1/8"=1'-0"

4'

1 ENLARGED ROOF PLAN - MECHANICAL

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MP0.1
MP1.0
MP2.0

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