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ATTACH TO STRUCTURE
PER SMACNA
RECOMMENDAT'^"'c
STAINLESS STE
SHEET METAL
1/2" MINIMUM
BAND CLAMP
LENGTH EQUA
DIAMETER OF
NOTES:
1. DO NOT USE POWDER POWERED FASTENING SYSTEMS TO ATTACH
SUPPORTS TO STRUCTURE.
2. SUPPORT SYSTEM MUST NOT DAMAGE DUCT, INSULATION, OR CAUSE
DUCT SHAPE DEFORMATION.
3. HANGER SIZES SHALL BE IN ACCORDANCE WITH SMACNA, LATEST EDITION.
4. THE USE OF PLUMBING STRAP OR NYLON/PLASTIC STRAP FOR DUCT OR
EQUIPMENT SUPPORT IS PROHIBITED.
RIGID/FLEXIBLE ROUND DUCTWORK
DUCTWORK SUPPORT DETAIL
SCALE: NTS
RECTANGULAR DUCT
SQUARE ELBOW
TURNI "" "'mac
12" MINIMUM
PROVIDE TURNING VANES ON ALL
RECTANGULAR SUPPLY DUCTWORK
RECTANGULAR DUCT
RADIUSED ELBOW
UNLESS NOTED OTHERWISE DO NOT INSTALL
TURNING VANES IN RETURN OR EXHAUST AIR
DUCT.
5W
TURNING VANES TO BE DOUBLE WIDTH VANES
OR SINGLE WIDTH VANES WITH 3/4" TRAILING
EDGE.
DUCT OFFSET
5° MAXIMUM
DO NOT USE FLEX DUCT
FOR OFFSETS.
ROUND DUCT
TAKE -OFF FROM
RECTANGULAR DUCT
TAKE OFF TO BE AN EXPANDED
CONICAL, BELLMOUTH FLANGED
TYPE FITTING. NO BUTT TAP TYPE
FITTINGS WILL BE ALLOWED.
ATTACH TO STRUCTURE
WITH BEAM CLAMPS AS
DETAILED
ALL -THREAD ROD
NUT WITH LOCK WASHER
1-1/2" GALVANIZED STEEL
HANGER WITH
ALL -THREAD ROD IN
TRAPEZE CONFIGURATION
RECTANGULAR DUCTWORK
BT 120-MHP222
ROUND DUCT
RADIUSED ELBOW
5W
GORED ELBOWS ARE NOT ALLOWED.
ROUND DUCT
TAKE -OFF FROM
ROUND DUCT
AN EXPANDED CONICAL
TAP MAY BE SUBSTITUTED
FOR ANGLED TAKEOFFS ON
LOW PRESSURE SYSTEM.
NOTES:
1. THE USE OF PLUMBING STRAP OR NYLON/PLASTIC STRAP FOR DUCT
OR EQUIPMENT SUPPORT IS PROHIBITED.
2. MAXIMUM FLEX DUCT LENGTH IS 3'.
STANDARD DUCT FITTINGS DETAIL
SCALE: NTS
0 12/10/2024 DW MP JHS ISSUED FOR BID
No. DATE DSN CHK APP REVISION
BT120-MHP222
DESIGNED BY:
D. WONG
DRAWN BY:
L. GOUDEAU
CHECKED BY:
M. PHILLIPS
APPROVED BY:
J. SACKINGER
RECTANGULAR DUCT
TAKE -OFF
:XPANDED
JAT
L=1/4W,4"MIN
DUCT SIZE
TRANSITION
DIMENSION "A" TO BE A MAXIMUM
OF 22.50 FOR DIVERGING AND 300
FOR CONVERGING AIR FLOWS.
THIS APPLIES FOR BOTH ROUND
AND RECTANGULAR DUCTWORK
INCLUDING SQUARE TO ROUND
TRANSITIONS.
SEAL PERIMETER
JOINT WATER -TIGHT
18 GA GALVANIZED
STEEL DRAINABLE
FIXED BLADE
LOUVER,SEE
LOUVER SCHEDULE -
ALUMINUM BIRD SCREEN
ACROSS OPENING
EXTERIOR WALL - VERIFY
CONSTRUCTION MATERIAL
AND COORDINATE
OPENING REQUIREMENTS
LOUVER CONNECTION DETAIL
SCALE: NTS
FULL-SIZE SHEET METAL
PLENUM
FABRICATE SHEET METAL
PLENUM -TO -DUCT
TRANSITION. DUCT SIZE
AS INDICATED ON
DRAWINGS
ROUND OR RECTANGULAR
DUCT WORK AS INDICATED
ON DRAWINGS. SUPPORT
FROM STRUCTURE ABOVE
BT 120-M H P222
METAL ROOF—
- - STEEL
--------------
------------
BEAM
_ --------1/4" DIA TEK
THREADED _ SCREWS, MIN 2
SIDE BEA�le PER BRACKET �
BRACKET METAL BUILDING BEAM
PURLIN CLAMP
BEAM
CLAMP
RETAINING -T*--3/8" DIA
3/8" DIA STRAP THREADEI
THREADED ROD, ROD, SEE
SEE NOTE 1 NOTE 1
TYPE C - METAL BUILDING PURLIN TYPE D - STEEL BEAM
INTERIOR WALL,
SEE FLOOR PLAN
INDOOR UNIT (ACU)
OVERHEAD, SEE SCHEDULE
PROVIDE WALL
SLEEVES FOR PIPING
SA
PROVIDE FOR WIRED
THERMOSTAT UNLESS
SCHEDULED AS
REMOTE CONTROL
INSTALL ON WALL AT 96" FROM FLOOR
TO BOTTOM OF UNIT (UNLESS NOTED
OTHERWISE)
SEQUENCE OF OPERATION
SETPOINT TEMPERATURE:
COOLING: CONTINUOUS 780 F
HEATING: OCCUPIED 68' F
RUN MODE:
1. EVAPORATOR RUN SHALL RUN
CONTINUOUSLY.
2. UNITS SHALL CYCLE HEATING OR
COOLING SECTION OFF/ON AS
REQUIRED TO MAINTAIN ROOM
SETPOINT.
SPLIT SYSTEM AIR CONDITIONING UNIT
SCALE: NTS
Y
0 WATmRIDE
7
",-I *pacobs 4S
A 30676 BRT General Engineering Consultant
Ino14 �T NAL
SUBMITTED BY: DATE: REVIEWED BY:
Signed: 12-10-2024 R. PARGAS 12/10/2024 J. ALTCHECH
1
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SCALE:
Q
w
NTS
Q
FILENAME:
WU)
w
J
S1-BT120-MH-v2020
z
J
LL
SOUNDTRANSIT
CONTRACT No.:
RTA/CN 0205-24
DATE:
SUBMITTAL DATE:
12/10/2024
12/10/2024
WOOD RAFTER OR
TRUSS CHORD
GYP BOARD OR
PLYWOOD CEILING
i
CEILING PLATE
WITH THREADED
ROD COUPLER
(2) 1 /4" x 1 1 /2"
WOOD SCREWS
3/8" DIA THREADED
ROD, SEE NOTE 1
TYPE E - WOOD
NOTES:
1. MAXIMUM ALLOWABLE SUPPORTED LOAD PER HANGER:
TYPE A 600 LBS TYPE D 600 LBS
TYPE B 250 LBS TYPE E 150 LBS
TYPE C 300 LBS
SUPPORT ANCHORING DETAIL
SCALE: NTS
BT 120-M H P221
BT 120-M H P222
INSULATED 3/4" CONDENSATE DRAIN
LINE, ROUTE TO DRAIN AS INDICATED
ON DRAWINGS
EXTERIOR WALL, SEE FLOOR PLAN
POWER AND CONTROL WIRING TO
INDOOR UNIT
INSULATED REFRIGERANT LINES.
SECURE TO WALL PER
MANUFACTURER'S REQUIREMENTS.
PROVIDE SHROUD WHERE INDICATED
ON SCHEDULE
OUTDOOR UNIT (HPMP), SEE
SCHEDULE. PROVIDE
MANUFACTURER'S
REQUIRED CLEARANCE FOR
VENTILATION.
Imo\\
% AIRFLOW
SEE STRUCTURAL DWG FOR
MOUNTING DETAIL.
BT120-MHP221
BT120-MHP222
STRIDE BUS RAPID TRANSIT
SOUTH RENTON TRANSIT CENTER
BT105
MECHANICAL-HVAC
DETAILS
CORE FACILITY
R-4332441
DEVELOPMENT ENGINEERING
msippo 11 /25/2025
DRAWING NO.:
BT120-M H DO01
FACILITY ID:
BT105
SHEET No: REV:
519 0