HomeMy WebLinkAboutM701-HVAC-DETAILS-Rev.0V
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Insulation
Access Door
Section 'A A'
Neoprene gasket
Handle
16 Gauge channel and "Z" T
\l•\1 tlMlnimum'msulafion Insulation
Insulation
Sealant
0T q\�Sealant
Hinge welded to frame and door l `Bolt 6' on centers
9 Direction of air pressure �[\
`20 Gauge insulated door
Access Door For High Pressure Duct Systems
Factory fabricated
A_____ fees __..
Section"B-B"
Maximum sag shall be
Notes:
/ 12 per foot of suppod
1.
Metallic flexible ductwork shall be attached using a minimum of three (3) #8 sheet
spacing.
metal screws equally spaced around the tluclwork circumference. Ductwork larger
than 12" shall have a minimum of five (5) #8 sheet metal dews. Scrams shall be
Strap bracing shall be
located at least 12" from the ductwork end.
l� pro'
0- otled n emaximum
of 3'-0" on centers.
2
Non-metallic flexible ductwork shall be secured to the sleeve or collar using a
draw band. If the tludwodc collar exceeds 12", the draw band must be positioned
Maximum flexible
behind a bead on the metal collar.
dud nal shall be It
3.
Insulation and vapor barriers present on faddy -fabricated ducwork shall be filled
5'-0". �
over the core connection and stall be supplementally secured with a draw band.
4.
Flexible ductwork sealing shall be a class "B" seal for low pressure ductwork.
Detail 1
5.
Support system stall not damage Is cause out -of -round shape.
6.
Flexible ductwork shall be a maximum of 5'-0" in length and shall NOTbe used as
an elbow.
Wire support.
`Minimum 1" wide clamp.
I
Detail 2
1" Band clamp with
wire. (Optional)
Detail 3
D 6 Insulated Flexible Ductwork
Iss M]01 Scale: None
Wire support attached
to structure
1" Black rigid
insulation board
I 12"all ,I Washer with
IE— 4 stleIs black neoprene 8" del
I pad on underside
Ceiling
Eggcrate type
return grille
(II Open Plenum Return Grille
M]01 Scale: None
Support sound baffle from structure
Note: Titus "FlexaB^nt" is an
acceptable alternative to this
tletail.
Low pressure
y branch duct
Provide shoe 8" Min.
tap filOng I
Inl
Collar with manual J
volume damper & lock
Insulatetl flexible
dud to supply
diffuser
Notes:
Provide a45 degree entry square -to -round fitting from low pressure
supply branch duct when the supply dffuser branch size equals or
exceeds the depth of the supply branch duct. Worth shall equal round
diffuser branch size, depth shall equal supply branch duct depth.
Refer to supply ciffuser plenum connection detail if guidelines of this
tletail can not be met due to phys cal limitations.
A maximum length of 5'-0" of flexible duct is allowed in a single run.
Sheet metal box Secure fl exible dud to
supply diffuser elbow
.. _. _. fitting with drawband
1-1/2" dud wrap �
Insulated flexible dud
to supply diffuser
� L
Supply diffuser
Application NOT Acceptable
Secure flexible duct to
supply difuser elbow
fitting with drawband
Sheet metal elbow -
1-12" tlud wrap
Lay -in panel J 9 �Ceilin Ceiling
where required 12" x 12" supply diffuser
24" x 24'suooly denser
D 3 Supply Diffuser and Flexible Duct Connection
M]01 Scale: None
1" Flange and hem
�1-1/2" Pocket slip
Alternate position of bolt ; Bell V on centers
wv°r' 1"x1sty Band few Flexiblematerial
as ape
cifietl
' "w• d/ �Duclwark
5 n,
Flanged connection / J' TTT
on fan able / Washer / Sheet metal as specified for ductwork
J/ 1-1/2• Minimum to 3" maximum
Sheet metal as specified for tluctwoM installed. 6" nominal with material taut
Rectangular Flexible Connection
Flanged connectlon
on fan side
Washer
�5/16" Flange
Bolt 4" on centers
�1" x 1/8' Band iron Flexible material as specified
�1"x1/e'Draw Bantl �1"x 1I8"Draw Bantl
Rivet 4' on centers
�11i� 1-12'
Ductwork
yll
1-1/2' Minimum to 3' maximum
installed. 6" nominal with material taut
Round Flexible Connection
D 2 Flexible Connection
M]01 Scale: None
&land lined sheetmetal to prevent Sheet metal transfer tlud as required to
ound ductwork line of eight through tlud opening fit return air grille with acoustical liner 30°aless
and eggmate grille
�����More than 30°
Line sound baffle internally with
��������������������������������������������������������� ���������.��.��.��������������������.��.��r- non -fibrous acoustic duct liner
== Dud offsetDuct offset
== Use mitered for 30° or less Use radius for more than 30°
— Cover dud
opening with 11T
handle, chain
hardware cloth
allied and
ealed.
......
Access Section For Round Ductwork
Notes:
doors FOR CONSTRUCTION rosa pins.
Subject to compliance with all regulations
of State and local Codes Access Door
City of Camel e
yu�n�`o�np�
DATE: \ 10/16/19
Access Door Schecule
Dud width
Access door size
19"-36'
18'x18'
3T-up
24'x24'
3.1
Reinforcing angles as required to
receive screws for support and
anchorage of return air grille and
baffle where required
Eggcrate grille J Acoustical file ceiling
(see ralschetlule) (if applicable - field
verify ceiling type)
Factory extended
panel to fit ceiling grid
D 4 Eggcrate Return Grille with Sound Baffle
M]01 Scale: None
Turning vanes
90° Square Elbow
H
iOH
90° Radiused Elbow
V.D.
�45° Booffap fitting
Branch off main
D 1 Low Velocity Sheet Metal Fittings
M]01 Scale: None
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SHEET NO.
M701