Secondary Framing Secondary Framing Secondary Framing Secondary - - PowerPoint PPT Presentation

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Secondary Framing Secondary Framing Secondary Framing Secondary - - PowerPoint PPT Presentation

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Secondary Framing Secondary Framing Secondary Framing Secondary Framing 1 1 Secondary Framing Secondary Framing Secondary Framing Secondary Framing Materials Materials 2 2 Secondary Framing Secondary Framing Secondary Framing

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SLIDE 1

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Secondary Framing Secondary Framing Secondary Framing Secondary Framing

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SLIDE 2

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Secondary Framing Secondary Framing Secondary Framing Secondary Framing

Materials Materials

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Secondary Framing Secondary Framing Secondary Framing Secondary Framing

  • Thickness range from 17 gage to 11

Thickness range from 17 gage to 11 gage gage

  • Acrylic

Acrylic-

  • coated galvanized secondary

coated galvanized secondary ( (VP Tech Perspective# 38 VP Tech Perspective# 38) (Gray and ) (Gray and Patrician Bronze also available. Patrician Bronze also available.

  • I ndividual members are designed for

I ndividual members are designed for specific loads specific loads

Variety of material thicknesses

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4 4

Secondary Framing Secondary Framing Secondary Framing Secondary Framing

SEDs used shown on Erection Drawings

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SLIDE 5

Secondary Shapes Secondary Shapes

5 5

Cee Zee Eave Purlin

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SLIDE 6

Common Secondary Depths

6 6

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SLIDE 7

7 7

From Details, August 2008 issue

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SLIDE 8

8 8

Purlins and Girts Purlins and Girts

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SLIDE 9

9 9

Secondary Framing Secondary Framing Secondary Framing Secondary Framing

Basic Structural Shapes Basic Structural Shapes

ZEEs and CEEs - 7”, 8 1/2”, 10”, & 11 1/2”

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SLIDE 10

10 10

Secondary Framing Secondary Framing Secondary Framing Secondary Framing

Roof Roof

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SLIDE 11

11 11

Erecting Bay Erecting Bay

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12 12

Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing Eave Members Eave Members

  • 7” , 8 1/2”, 10”,

and 11 ½ ” Depths

  • Always simple

span because of shape

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SLIDE 13

13 13

  • Lap adjacent purlins

Lap adjacent purlins

Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing

Continuous Purlins

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SLIDE 14

14 14

Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing

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15 15

Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing

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SLIDE 16

16 16

Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing

  • Not a Structural Lap

Not a Structural Lap

Simple Span Purlins

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SLIDE 17

17 17

Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing

Default Purlin spacings are 5’ Default Purlin spacings are 5’-

Other spacings may be used Other spacings may be used

C L

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18 18

Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing

  • Bolts to purlin and frame

Bolts to purlin and frame

  • Prevents frame from twisting

Prevents frame from twisting

  • Frame benefits,

Frame benefits, not not the purlin the purlin

Flange Braces

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SLIDE 19

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  • New Channel Purlin

New Channel Purlin Brace Brace

  • Consolidated G30

Consolidated G30 purlin brace channel purlin brace channel will be used for Erection will be used for Erection and Purlin Bracing. and Purlin Bracing.

  • Sag angles will be

Sag angles will be discontinued. discontinued.

  • Used as “discrete”

Used as “discrete” bracing, for untested bracing, for untested panels, or fixed clip panels, or fixed clip locations. locations.

  • Not allowed with 7”

Not allowed with 7” purlins purlins

Secondary

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SLIDE 20

20

Secondary

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SLIDE 21

21

Secondary

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SLIDE 22

23 23

Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing Roof Secondary Framing

Larger Bays Larger Bays

( 30 feet + ) ( 30 feet + )

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24 24

Roof Secondary Roof Secondary Larger Bays Larger Bays Roof Secondary Roof Secondary Larger Bays Larger Bays

  • Spans in excess of 30’
  • May be used with Panel Rib roof

system

  • Cost may be greater than

Transbay

11 1/2” Purlins

Features:

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SLIDE 24

25 25

Purlins at Hip/ Valley Purlins at Hip/ Valley

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36 36

Truss Truss Purlin Purlin

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37 37

Truss Truss Purlin Purlin

  • A new long span solution utilizing a truss purlin will be

A new long span solution utilizing a truss purlin will be available. available.

  • VP Wide Bay will still be offered, for a limited time.

VP Wide Bay will still be offered, for a limited time.

  • End seat depth of 8½” with an optional 2½”

End seat depth of 8½” with an optional 2½”

  • Two truss purlin depths available

Two truss purlin depths available – – 20½” and 29½” (default 20½” and 29½” (default being 29½”) being 29½”)

  • Bottom chord building bracing system only

Bottom chord building bracing system only

  • Rake beam and primary frames will be designed with

Rake beam and primary frames will be designed with depths to accommodate bottom chord bracing. depths to accommodate bottom chord bracing.

  • Available from BlueScope Buildings Manufacturing in

Available from BlueScope Buildings Manufacturing in Monterrey, Mexico or Laurinburg, NC. Monterrey, Mexico or Laurinburg, NC.

Secondary Secondary

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SLIDE 27

38 38

Truss Purlin Truss Purlin – – VPCommand Screen VPCommand Screen

Secondary Secondary

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SLIDE 28

39 39

Trussed Trussed Purlin Purlin

Secondary Secondary

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SLIDE 29

40 40

Bar Joist Bar Joist

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41 41

Flange Brace at Bar Joist Flange Brace at Bar Joist

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42 42

Wall Secondary / Larger Bays Wall Secondary / Larger Bays Wall Secondary / Larger Bays Wall Secondary / Larger Bays

A Soldier

Column is used

is used to reduce the to reduce the span of the span of the sidewall girts sidewall girts with larger bays with larger bays ( 30’ ( 30’-

  • 0” + ).

0” + ).

Soldier Column

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43 43

Wall Secondary Soldier Column Wall Secondary Soldier Column Wall Secondary Soldier Column Wall Secondary Soldier Column

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44 44

Soldier Column with Purlins Soldier Column with Purlins

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45 45

Soldier Column with Bar Joist Soldier Column with Bar Joist

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46 46

Soldier Column with WBTP Soldier Column with WBTP

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47 47

Secondary Framing Secondary Framing Secondary Framing Secondary Framing

Wall Wall

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48 48

Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing

Building Width 1’-0

B L

Eave Height 8 1/2”

Sidewall Outset Girt Condition

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49

49

Girt Bracing Straps

  • For discrete bracing of

wall secondary in long bays or when wall material is not furnished by VP girt strapping will be used.

Secondary

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Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing

  • Girts lap at

Girts lap at frame frame connections connections

  • Stronger, may

Stronger, may decrease cost decrease cost

Continuous Span Outset Girts

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51 51

Secondary Secondary Secondary Secondary Simple Span Outset Girts

  • Do not lap

adjacent girts

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52 52

Secondary Secondary Secondary Secondary

Simple Span Outset Girts- Nested

  • Do not lap adjacent girts

Note: Wall fastener pattern will be staggered

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SLIDE 42

53 53

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54 54

AB Layout at Corner (Outset/Outset 7” & 8 ½ ”)

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Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing

  • 1 5/ 8” standard I nset

(shown)

  • Offset dimension may vary
  • I nset girts must be simple

span

Simple Span Inset Girts

8 ½ ” and 10” are notched; 7” and 11” are stopped short

  • f flange
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SLIDE 45

Secondary – 7” & 11 ½ ” I nset

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I nset Girts I nset Girts

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Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing

Building Width

5 1/8”

B L

Eave Height

1 5/8”

Sidewall Inset Girt Condition

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59 59

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60 60

Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing

Building Width 4”

B L

Eave Height

Sidewall Flush Girt Condition

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Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing

Secondary offset is the distance from

  • utside flange of

girt (Building Line) to the outside

flange of the

Primary Framing Member

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SLIDE 51

62 62

Extended Secondary Clips Extended Secondary Clips

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Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing

Outset Endwall

B

L

Building Length 1’-0 8 1/2” Purlin

1’-0

C

L 7” and 8 ½ ” Girts have 1’ – 0” BL to CL 10” and 11 ½ ” Girts have 1’ – 3” BL to CL

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64 64

Outset Endwall 1’ Outset Endwall 1’-

  • 0” location

0” location Outset Endwall 1’ Outset Endwall 1’-

  • 0” location

0” location

Outset Endwall

B

L

Building Length 1’-0 8 1/2” Purlin

1’-0

C

L

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Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing

Inset Endwall

B L

Building Length 5 1/8” 1 5/8”

Purlin

6”

C L

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66 66

AB Layout at Endpost (Inset)

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Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing

Flush Endwall

B

L

Building Length 4”

Purlin

6”

C

L

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Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing

Panel Rib & Vee Rib Girt Spacings Panel Rib & Vee Rib Girt Spacings

Standard Spacing Standard Spacing

5’-0” 7’-6” Zee 5’-0” Varies

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Typical Girt Spacings Typical Girt Spacings Typical Girt Spacings Typical Girt Spacings

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Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing Wall Secondary Framing

Panel Rib & Vee Rib Girt Spacings Panel Rib & Vee Rib Girt Spacings

Additional girt may be required Additional girt may be required due to wind load. due to wind load.

5’-0” 5’-0” Varies

4’-0” 3’-6”

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71 71

Additional Girt Additional Girt

Field Edge Zone Corner Zone

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Corner Zone Corner Zone -

  • Additional

Additional Secondary Secondary

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74 74

Secondary Mark Numbers Secondary Mark Numbers

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75 75

Framed Openings Framed Openings

  • 12” minimum

from CL of column or endpost to inside face of framed

  • pening
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76 76

Framed Openings Framed Openings

  • 12” minimum

between framed

  • penings in the

same bay

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77 77

Framed Openings Framed Openings

  • 24” minimum

from header to eave

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Framed Openings Framed Openings

  • 28 1/2” clear
  • n at least one

side of a column for flange braces

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Secondary Tips Secondary Tips

  • Continuous spanning members are

Continuous spanning members are usually most economical usually most economical

  • Panel Rib roof is not allowed on Wide

Panel Rib roof is not allowed on Wide Bay Trussed Purlins or Bar Joists Bay Trussed Purlins or Bar Joists

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Secondary Tips Secondary Tips

  • Endbay

Endbay dimension is most effective at dimension is most effective at

  • approx. 85% of interior bay
  • approx. 85% of interior bay
  • Verify if flange bracing allowed with

Verify if flange bracing allowed with liner panel liner panel

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Secondary Tips Secondary Tips

  • 35’

35’ -

  • 40’ bays compare wide bay

40’ bays compare wide bay trussed purlins (WBTP) and 11 ½ ” trussed purlins (WBTP) and 11 ½ ” purlins purlins

  • 40’

40’ – – 60’ bays compare WBTP and bar 60’ bays compare WBTP and bar joists joists

  • 60’ bays use bar joists

60’ bays use bar joists

  • Freight is a consideration with WBTP

Freight is a consideration with WBTP

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82 82