WG STATIC

POS OR NEG

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"

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