36C10F19R0003-0007002.pdf

ROUND NECK CEILING DIFFUSER TAKE-OFF

SIDE VIEW

ROUND AND/OR SQUARE NECK CEILING DIFFUSER

TAKE-OFFS SIDE VIEW

MULTI-BLADE DAMPER FOR ROUND

NECK DIFFUSER & OPPOSED BLADE

DAMPER FOR SQUARE NECK DIFFUSER

CONTROL GRIDCEILING

SUPPLY DUCT

SPLITTER DAMPER WITH

CENTER ROD OPERATOR

SUPPLY DUCT

CEILING CONTROL GRID

NOTE:

1.

2.

DELETE INSULATION STAND-OFF ON DUCTWORK WITHOUT EXTERIOR INSULATION.

DETAIL SHOWS SINGLE BLADE DAMPER. DAMPER INSTALLATION SHALL BE SIMILAR

FOR MULTI-BLADE DAMPERS & ROUND DAMPERS.

INSULATION

DAMPER BLADE

1/8" [6mm]

CLEARANCE

ALL AROUND

OUTSIDE END BEARING

INSIDE END BEARING

HANDLE WITH

LOCKING

QUADRANT

INSULATION

STAND-OFF

1/2" [15mm]

ROUND ROD PIN

DUCT

STIFFEN BLADE

AS REQUIRED

SIDE ELEVATION SECTION

VOLUME DAMPER DETAIL

VANE

VANE

NOTES:

1.

2.

THE INTERIOR SURFACE OF ALL RADIUS ELBOWS SHALL BE MADE ROUND.

ALL STANDARD RADIUS ELBOWS SHOWN ON FLOOR PLANS MAY BE MADE SHORT

RADIUS ELBOWS. ALL SHORT RADIUS ELBOWS SHALL HAVE VANES. VANES SHALL

BE CONSTRUCTED, SUPPORTED AND FASTENED AS RECOMMENDED BY SMACNA.

R SHALL

EQUAL

OR BE

GREATER

THAN W.

R SHALL

EQUAL

OR BE

GREATER

THAN

1/3W.

W

R

2/3W

1/ 3W

R SHALL

EQUAL

OR BE

GREATER

THAN

1/6W.

SHORT RADIUS ELBOW

WITH ONE VANE

SHORT RADIUS ELBOW

WITH TWO VANES

W W

1/2W

1/ 3W

1/6W

W

STANDARD RADIUS

ELBOW

R R

NOTES:

1.

2.

3.

4.

ALL VANED ELBOWS SHALL BE CONSTRUCTED AND INSTALLED AS DETAILED BY

SMACNA.

WHEN W1 DOES NOT EQUAL W2, VANE SHALL BE SINGLE VANE TYPE

REGARDLESS OF W DIMENSION.

ALL SINGLE VANES SHALL HAVE A 2" [50mm] RADIUS, 1 1/2" [40mm]

MAXIMUM SPACE BETWEEN VANES AND A 3/4" [20mm] TRAILING EDGE.

WHEN W EQUALS W2 AND W1 IS GREATER THAN 20" [500mm] VANES SHALL

BE DOUBLE VANE TYPE.

W

W1

ONE 1 [25] x 22 GA STRAP

QUANTITY/SIZEMAX. DUCT ∅

26 [650]

HANGER STRAPS OR RODS

MAX. LOAD

LBS. [kg]

260 [119]

MAX.

144 [3658]

IN. [mm]

SPACING

IN. [mm] IN. [mm]

BAND OF

SAME SIZE AS

HANGER STRAP

LOAD RATED

FASTENERS

NOTE:

TABULATED DATA FROM SMACNA

ALLOWS FOR DUCT REINFORCING AND

INSULATION, BUT NO EXTERNAL LOAD.

SUPPLY

TYPICAL FOR SUPPLY,

RETURN, AND

EXHAUST

A

IR

F

LO

W

TYPICAL FOR SUPPLY,

RETURN, AND

EXHAUST

A

IR

F

LO

W

A

IR

F

LO

W

45°

VOLUME

DAMPER

D/4

BRANCH

MAIN

CONICAL SPIN TAP COLLAR

WITH DAMPER

FLEXIBLE DUCT OR

RIGID ROUND

MECHANICAL CLAMP

MAIN

MAIN

ROUND OR

MITERED ELBOW WITH

TURNING VANES.

VOLUME DAMPER

VOLUME DAMPER

D

NOTES:

1. THE SUPPLY REGISTER TAKE-OFF MAY BE USED FOR

UP TO 25% OF THE MAIN DUCT CFM. THE BRANCH

DUCT TAKE-OFF MAY BE USED FOR UP TO 15% OF

THE MAIN DUCT CFM ANYTIME AND UP TO 40% WHEN

THE MAIN DUCT VELOCITY IS 1000 FPM (5 M/S) OR

LESS. THE AIR SPLIT DUCT TAKE-FF SHALL BE USED

IN ALL OTHER CASES AND MAY BE USED AT ANYTIME.

RADIANT PANEL

HWS

HWR

NO

UNION (TYP.)

P/T PORT (TYP.) 2-WAY ATC VALVE BALANCING VALVE

BALL VALVE (TYP.)

STRAINER

NOTE: 3" INSULATION BLANKET

I IB DENSITY

INSULATION

CAULKING

LOUVER

EXTERIOR

SHEETMETAL FASTENED 6" ON CENTER

TO LOUVER AT INTERMEDIATE SUPPORTS

AND FRAMES.

PITCH TO DRAIN

BIRD SCREEN

º

HVAC CASING

INTAKE/EXHAUST

PLENUM

DUCTWORK-REFER TO

FLOOR PLAN FOR SIZE

BREAK-AWAY "S" SLIP JOINT TO CONNECT

DUCTWORK TO SLEEVE, MAXIMUM OF 6"

FROM WALL (BOTH SIDES)

FIRE DAMPER ASSEMBLY (UL-555

APPROVED FOR VERTICAL INSTALLATION AND

INSTALL TO COMPLY WITH NFPA-90A), WITH

DYNAMIC TYPE DAMPER OUTSIDE OF AIR

STREAM.

WALL SLEEVE-SIZE AS REQUIRED. WELD OR

BOLT AIR TIGHT TO ANGLES (BOTH SIDES

OF WALL)

1/8" MAXIMUM CLEARANCE FOR ALL FOUR

SIDES. DO NOT FILL OR SEAL WITH FIRE

CAULK OR FIRE STOP MATERIALS

INTERIOR WALL CONSTRUCTION. REFER TO

ARCHITECTURAL DRAWINGS FOR THICKNESS,

TYPE, AND FIRE RATING

1-1/2" x 1-1/2" x 14 GAUGE RETAINING ANGLES FOR NEW WALL CONSTRUCTION AND 2" x 1" x 14 GAUGE RETAINING ANGLES FOR EXISTING WALL CONSTRUCTION. SECURE

ANGLES TO DAMPER SLEEVE ON ALL FOUR SIDES AND ON BOTH SIDES OF WALL.

ANGLES

TO BE TIGHT TO WALL CONSTRUCTION WITHOUT ATTACHING DIRECTLY TO WALL

CONSTRUCTION. USE 1/4" x 20 x 3/4" LONG ROUND HEAD STOVE BOLTS @12" O.C.

MAXIMUM OR WELD

LOCATE FIRE DAMPER ACCESS DOOR IN BOTTOM OF DUCT AT

AN ACCESSIBLE LOCATION. DOOR SIZE AS REQUIRED TO

PROPERLY SERVICE DAMPER. ALTERNATE LOCATION #1: SIDE

OF DUCT. ALTERNATE LOCATION #2: (LEAST PREFERRED) TOP

OF DUCT

FACTORY SUPPLIED DAMPER SLEEVE, 16 GAUGE FOR DAMPERS

NOT EXCEEDING 36" WIDE OR 24" HIGH. 14 GAUGE FOR

DAMPERS LARGER THAN 36" WIDE OR 24" HIGH

AIR FLOW

FUSIBLE LINK - 165°F TEMPERATURE

RATING, UNLESS OTHERWISE NOTED

2. LABEL THE ACCESS DOORS: "FIRE DAMPER ACCESS".

3. WHERE ACCESS DOORS ARE INSTALLED ON THE SIDE OF A

DUCT, PROVIDE A LABEL OR SIGN AT THE BOTTOM OF THE DUCT

WITH AN ARROW AND "FIRE/SMOKE DAMPER ACCESS DOOR" TEXT

POINTING TO THE ACCESS DOOR. WHERE ACCESS DOORS ARE

INSTALLED ON THE TOP OF THE DUCT, PROVIDE A LABEL OR SIGN

AT THE BOTTOM OF THE DUCT WITH "FIRE/SMOKE DAMPER ACCESS

DOOR ON TOP OF DUCT."

5. REFER TO FIRE DAMPER SCHEDULE FOR FURTHER INFORMATION.

1. FOLLOW THIS DETAIL, UNLESS THE DAMPER MANUFACTURER'S

INSTALLATION DETAILS AND INSTRUCTIONS (AS TESTED AND

APPROVED BY UL) OR THE PROJECT SPECIFICATION IS MORE

STRINGENT.

A. FIRE DAMPER MODE: HIGH TEMPERATURE MELTS FUSIBLE LINK,

CLOSING FIRE DAMPER.

4. SEQUENCE OF OPERATION:

NOTES:

LPC

LPS

N.C. BYPASS VALVE

F & T TRAP

TO LOW PRESSURE

CONDENSATE

RETURN

M

IN

NOTE: PROVIDE STEAM MAIN DRIPS AT:

1. END OF MAINS

2. BASE OF RISERS

3. BEFORE CONTROL VALVES

4. LOW POINTS IN MAINS

5. 100 FT. INCREMENTS

FULLY SPRINKLERED

Drawing Title

Approved: Project Director

Project Title

Date

Location

Checked

Building Number

Project Number

Drawing Number

Drawn

Dwg. ofRevisions: Date

CONSULTANTS: ARCHITECT/ENGINEERS:

Office of

Facilities

Management o n e e ig h th i n c h o n e f o o t

B

A

C

D

E

F th re e i n c h e s o n e f o o t o n e a n d o n e h a lf i n c h e s o n e f o o t o n e i n c h o n e f o o t th re e q u a rt e rs i n c h o n e f o o t o n e h a lf i n c h o n e f o o t th re e e ig h th s i n c h o n e f o o t 4 o n e q u a rt e r in c h o n e f o o t

VA FORM 08-6231, OCT 1978

1 2 3 4 5 6 87 9

F

E

D

C

B

A

97 8654321

Department of Veterans Affairs

BIDDING DOCUMENTS - FEBRUARY 22, 2019

VA CARES CONSOLIDATION

VAMC, PITTSBURGH, PA

CONNECTING BRIDGE

MH0-701

646CA2500.23

AuthorChecker

HVAC DETAILS &

SCHEDULES

VAPHS UNIVERSITY DRIVE

1 & 30

NTS1

SUPPLY DIFFUSER TAKE-OFF DETAIL

NTS3

VOLUME DAMPER DETAIL

NTS4

RADIUS ELBOW DETAIL

NTS5

MITERED ELBOW DETAIL

NTS6

PIPE HANGER DETAIL

NTS2

SUPPLY DUCTWORK TAKE-OFFS DETAIL

NTS7

INSULATED RADIANT HEAT PANEL PIPING

DETAIL

NTS8

INTAKE/EXHAUST PLENUM TO LOUVER

CONNECTION

NTS

FIRE DAMPER

1 AMENDMENT 7 05-23-19

NTS

STEAM MAIN DRIP DETAIL - LOW PRESSURE