SMACNA Testing & Research Institute Educating and assuring that all sheet metal products are manufactured Educating and assuring that all sheet metal products are manufactured
Purpose and Procedures
Performance Based Procurement
Testing Program
Shop Standards

Shop Standards

Requirements for Standards Verification

 

WG STATIC

POS OR NEG

SHOP STANDARDS

RECTANGULAR DUCT CONSTRUCTION

DUCT

DIMENSION

PANEL

GA

JOINTS

TIE RODS

LONG.

SEAM

TYPE

REMARKS

TYPE

SIZE

GA

SPACE

TYPE

+

SIZE

-

SIZE

 

1

2

 

3

4

5

6

7

8

8 " dn

 

 

 

 

 

 

 

 

 

 

9, 10"

 

 

 

 

 

 

 

 

 

 

11, 12"

 

 

 

 

 

 

 

 

 

 

13, 14"

 

 

 

 

 

 

 

 

 

 

15, 16"

 

 

 

 

 

 

 

 

 

 

17, 18"

 

 

 

 

 

 

 

 

 

 

19, 20"

 

 

 

 

 

 

 

 

 

 

21, 22"

 

 

 

 

 

 

 

 

 

 

23, 24"

 

 

 

 

 

 

 

 

 

 

25, 26"

 

 

 

 

 

 

 

 

 

 

27, 28"

 

 

 

 

 

 

 

 

 

 

29, 30"

 

 

 

 

 

 

 

 

 

 

31-36"

 

 

 

 

 

 

 

 

 

 

37-42"

 

 

 

 

 

 

 

 

 

 

43-48"

 

 

 

 

 

 

 

 

 

 

49-54"

 

 

 

 

 

 

 

 

 

 

55-60"

 

 

 

 

 

 

 

 

 

 

61-72"

 

 

 

 

 

 

 

 

 

 

73-84"

 

 

 

 

 

 

 

 

 

 

85-96"

 

 

 

 

 

 

 

 

 

 

97-108"

 

 

 

 

 

 

 

 

 

 

109-120"

 

 

 

 

 

 

 

 

 

 

 

Notes:

1

Indicates joint type from Figure 2-1 (i.e., T-1, T-10., etc.) (TDC/TDF may be used).

2

Indicates joint size.

3

Indicates spacing between joints.

4

Indicates type of tie rod used.

5

Indicates the size of tie rod for positive pressure.

6

Indicates size of tie rod for negative pressure.

7

Indicates longitudinal seam from Figure 2-2 (IE L-1, L-3, etc.)

8

Shaded area indicates application range for midpanel tie rods (MPT) in the 2005 HVAC-DCS.

Form VFC-1 Page

1

 

 

 

WG STATIC

POS OR NEG

SHOP STANDARDS

RECTANGULAR DUCT CONSTRUCTION

DUCT

DIMENSION

INTERMEDIATE REINFORCEMENTS

REMARKS

 

TYPE

+

SIZE

-

SIZE

SPACING

 

1

2

3

4

5

8 " dn

 

 

 

 

 

 

9, 10"

 

 

 

 

 

 

11, 12"

 

 

 

 

 

 

13, 14"

 

 

 

 

 

 

15, 16"

 

 

 

 

 

 

17, 18"

 

 

 

 

 

 

19, 20"

 

 

 

 

 

 

21, 22"

 

 

 

 

 

 

23, 24"

 

 

 

 

 

 

25, 26"

 

 

 

 

 

 

27, 28"

 

 

 

 

 

 

29, 30"

 

 

 

 

 

 

31-36"

 

 

 

 

 

 

37-42"

 

 

 

 

 

 

43-48"

 

 

 

 

 

 

49-54"

 

 

 

 

 

 

55-60"

 

 

 

 

 

 

61-72"

 

 

 

 

 

 

73-84"

 

 

 

 

 

 

85-96"

 

 

 

 

 

 

97-108"

 

 

 

 

 

 

109-120"

 

 

 

 

 

 

 

Notes:

1

Indicates intermediate reinforcement type (A-Angle C Channel) Z-Zee H-Hat Section

TR - Tie Rod in stiffener MPT Midpanel Tie Rod.

2

Indicates size of intermediate stiffener for positive pressure.

3

Indicates size of intermediate stiffener for negative pressure.

4

Indicates location of intermediate stiffener.

5

Shaded area indicates application range for midpanel tie rods (MPT) in the 2005 HVAC-DCS.

 

Form VFC-1 Page 2


Download an Adobe Acrobat file of this form.


Download an MS Word file of this form.
Page 1 | Page 2

Related LinksContact UsHome Page  
Matrix Group International