This site is in beta — data may be incomplete and features are still being added.
Committee of the Whole/Documents/Attachment 6 - Load Tables for Panels and Skylights
Appendix

Attachment 6 - Load Tables for Panels and Skylights

July 12, 2022Page 4078 sections

Load capacity tables for specific structural panels and skyview T-bar components.

2 APPROVAL OF AGENDA
L/180 deflection limit3004-H36 aluminum grade
Engineering drawing containing multiple tables and diagrams for aluminum panels and beams.
Engineering drawing containing multiple tables and diagrams for aluminum panels and beams.
Page 407

TABLE 6: LIVE LOAD TABLE FOR 3 1/2" x 12" PANEL

"HERC" PANEL

W SNOW (PSF) L MAX (FT) 0.040"
20 14'-11"
25 14'-2"
30 13'-6"
35 13'-1"
40 12'-7"
45 12'-7"
50 12'-0"
Page 407

TABLE 7A: LIVE LOAD TABLE FOR 3" x 12" PANEL

"PYRAMID" PANEL

W SNOW PSF L MAX (FT) 0.025 L MAX (FT) 0.032 L MAX (FT) 0.040
20 10'-6" 11'-11" 13'-3"
25 9'-9" 11'-1" 12'-4"
30 9'-2" 10'-4" 11'-7"
35 8'-11" 10'-0" 11'-3"
40 8'-4" 9'-5" 10'-8"
45 8'-1" 9'-1" 10'-1"
50 7'-1" 8'-5" 9'-5"
Page 407

TABLE 7: LOAD TABLES FOR 6.2" x 3.25" I BEAM

ALLOWABLE LOAD (psf)

2-POSTS

SPAN (ft.) ROOF PROJECTION (ft.) 8 ROOF PROJECTION (ft.) 9 ROOF PROJECTION (ft.) 10 ROOF PROJECTION (ft.) 11 ROOF PROJECTION (ft.) 12 ROOF PROJECTION (ft.) 13 ROOF PROJECTION (ft.) 14 ROOF PROJECTION (ft.) 15 ROOF PROJECTION (ft.) 16 TYPE
8 224 199 174 163 149 138 128 120 112 1
10 158 150 135 122 112 104 96 90 84 1
12 119 105 95 86 79 73 568 63 59 1
14 87 77 69 63 58 53 49 46 43 1
16 66 51 55 50 45 42 39 37 34 1
18 43 38 35 31 29 27 25 23 22 1
20 32 28 26 23 21 19 18 17 15 1

3-POSTS

SPAN (ft.) ROOF PROJECTION (ft.) 8 ROOF PROJECTION (ft.) 9 ROOF PROJECTION (ft.) 10 ROOF PROJECTION (ft.) 11 ROOF PROJECTION (ft.) 12 ROOF PROJECTION (ft.) 13 ROOF PROJECTION (ft.) 14 ROOF PROJECTION (ft.) 15 ROOF PROJECTION (ft.) 16 TYPE
6-6 179 159 143 130 120 110 102 95 90 2
8-8 135 120 108 98 90 83 77 72 67 2
10-10 108 96 86 78 72 66 61 57 54 2
12-12 81 72 64 59 54 50 46 43 40 2
14-14 57 51 46 41 38 35 33 30 29 2
16-16 42 37 33 30 28 26 24 22 21 2
18-18 32 28 25 23 21 19 18 17 16 2

4-POSTS

SPAN (ft.) ROOF PROJECTION (ft.) 8 ROOF PROJECTION (ft.) 9 ROOF PROJECTION (ft.) 10 ROOF PROJECTION (ft.) 11 ROOF PROJECTION (ft.) 12 ROOF PROJECTION (ft.) 13 ROOF PROJECTION (ft.) 14 ROOF PROJECTION (ft.) 15 ROOF PROJECTION (ft.) 16 TYPE
6-6-6 204 181 163 148 136 125 116 109 102 3
8-8-8 153 136 122 111 102 94 87 81 76 3
10-10-10 122 109 98 89 82 75 70 65 61 3
12-12-12 98 87 79 71 66 60 56 52 49 3
14-14-14 69 61 55 50 46 42 39 37 35 3
16-16-16 50 45 40 37 34 31 29 27 25 3
18-18-18 38 34 30 27 25 23 22 20 19 3
Page 407

TABLE 8: LOAD TABLES FOR 4" x 3" I BEAM

ALLOWABLE LOAD (psf)

2-POSTS

SPAN (ft.) ROOF PROJECTION (ft.) 8 ROOF PROJECTION (ft.) 9 ROOF PROJECTION (ft.) 10 ROOF PROJECTION (ft.) 11 ROOF PROJECTION (ft.) 12 ROOF PROJECTION (ft.) 13 ROOF PROJECTION (ft.) 14 ROOF PROJECTION (ft.) 15 ROOF PROJECTION (ft.) 16 TYPE
5 105 93 84 76 70 64 60 56 52 1
6 73 64 58 53 48 44 42 39 36 1
7 45 40 37 33 30 28 26 24 22 1
8 31 28 25 23 21 20 18 17 16 1
9 25 22 20 18 16 15 14 13 12 1
10 10 16 14 13 12 11 10 1

3-POSTS

SPAN (ft.) ROOF PROJECTION (ft.) 8 ROOF PROJECTION (ft.) 9 ROOF PROJECTION (ft.) 10 ROOF PROJECTION (ft.) 11 ROOF PROJECTION (ft.) 12 ROOF PROJECTION (ft.) 13 ROOF PROJECTION (ft.) 14 ROOF PROJECTION (ft.) 15 ROOF PROJECTION (ft.) 16 TYPE
5-5 106 94 85 77 71 65 60 56 53 2
6-6 74 65 59 53 49 45 42 39 37 2
7-7 52 46 42 38 35 32 30 28 26 2
8-8 39 35 31 29 26 24 22 21 20 2
9-9 31 27 24 22 20 2
10-10 24 22 19 2

4-POSTS

SPAN (ft.) ROOF PROJECTION (ft.) 8 ROOF PROJECTION (ft.) 9 ROOF PROJECTION (ft.) 10 ROOF PROJECTION (ft.) 11 ROOF PROJECTION (ft.) 12 ROOF PROJECTION (ft.) 13 ROOF PROJECTION (ft.) 14 ROOF PROJECTION (ft.) 15 ROOF PROJECTION (ft.) 16 TYPE
5-5-5 131 116 105 95 87 81 75 70 66 3
6-6-6 89 79 71 65 59 55 51 48 45 3
7-7-7 64 57 51 47 43 39 36 34 32 3
8-8-8 48 43 39 35 32 30 28 26 24 3
9-9-9 38 33 30 27 25 23 21 20 3
10-10-10 30 26 24 22 20 3
Page 407

TABLE 9: LOAD TABLES FOR 3" x 3" I BEAM

ALLOWABLE LOAD (psf)

2-POSTS

SPAN (ft.) ROOF PROJECTION (ft.) 8 ROOF PROJECTION (ft.) 9 ROOF PROJECTION (ft.) 10 ROOF PROJECTION (ft.) 11 ROOF PROJECTION (ft.) 12 ROOF PROJECTION (ft.) 13 ROOF PROJECTION (ft.) 14 ROOF PROJECTION (ft.) 15 ROOF PROJECTION (ft.) 16 TYPE
5 91 80 72 66 60 56 52 48 45 1
6 53 47 42 38 35 32 30 28 26 1
7 33 29 26 24 22 20 19 18 17 1
8 23 20 18 16 15 14 13 12 11 1
9 16 14 12 11 10 1
10 11 10 1

3-POSTS

SPAN (ft.) ROOF PROJECTION (ft.) 8 ROOF PROJECTION (ft.) 9 ROOF PROJECTION (ft.) 10 ROOF PROJECTION (ft.) 11 ROOF PROJECTION (ft.) 12 ROOF PROJECTION (ft.) 13 ROOF PROJECTION (ft.) 14 ROOF PROJECTION (ft.) 15 ROOF PROJECTION (ft.) 16 TYPE
5-5 86 76 69 63 57 53 49 45 43 2
6-6 59 52 47 43 39 36 34 31 29 2
7-7 42 38 34 31 28 26 24 23 21 2
8-8 32 28 26 23 21 20 18 17 16 2
9-9 25 22 20 18 17 15 14 13 12 2
10-10 20 18 16 14 13 12 11 11 10 2

4-POSTS

SPAN (ft.) ROOF PROJECTION (ft.) 8 ROOF PROJECTION (ft.) 9 ROOF PROJECTION (ft.) 10 ROOF PROJECTION (ft.) 11 ROOF PROJECTION (ft.) 12 ROOF PROJECTION (ft.) 13 ROOF PROJECTION (ft.) 14 ROOF PROJECTION (ft.) 15 ROOF PROJECTION (ft.) 16 TYPE
5-5-5 107 95 85 76 71 66 61 57 53 3
6-6-6 73 64 58 53 48 45 41 39 36 3
7-7-7 53 47 42 38 35 32 30 28 26 3
8-8-8 39 35 31 29 26 24 22 21 20 3
9-9-9 30 27 24 22 20 19 17 16 15 3
10-10-10 24 21 19 18 16 15 14 13 12 3
Page 407

TABLE 10: CLEAR SPANS "LIVE" LOAD TABLE FOR INVERTED SKYLIGHT T-BAR PSF

Depth TBAR 30 35 40 45 50 55 60 65 70
3" 10'7" 10'1" 9'9" 9'6" 9'1" 8'10" 8'8" 8'6" 8'2"
4-1/4" 14'2" 13'1" 12'6" 11'10" 11'3" 10'8" 10'4" 10'0" 9'8"

LOAD TABLE FOR INVERTED SKYLIGHT T-BAR

MID-SPAN DEFLECTION (in.)

Depth Tbar 30 35 40 45 50 55 60 65 70
3" 2.12" 2.02" 1.95" 1.88" 1.82" 1.76" 1.73" 1.68" 1.65"
4-1/4" 2.34" 2.09" 1.86" 1.68" 1.54" 1.41" 1.31" 1.22" 1.14"

GENERAL NOTES PLEASE SEE NOTES/DRAWING 91-1026-1

Page 407

NOTES:

BEAMS

  • LOAD CAPACITIES BASED ON EQUAL DISTRIBUTION OF LOAD
  • DESIGN LOAD = LIVE LOAD + DEAD LOAD
  • DEFLECTION LIMIT = L/180
  • ALUMINUM GRADE = 6061-T6
  • TOP FLANGE LOADED
  • TOP FLANGE CONTINUOUSLY SUPPORTED BY METAL DECK CONNECTORS
  • CONTINUOUS SPANS TO BE ONE PIECE

PANS

  • VEE PAN
  • ALUMINUM GRADE = 3004-H36
  • SIMPLY SUPPORTED, CLEAR SPAN
  • TOP LOADED
  • CRIMPED FLANGE UP
  • UNIFORMLY DISTRIBUTED LOAD

T-BARS

  • MAX. TOTAL DEFL. = L/360
  • SKYLIGHT BARS SUPPORT 2 PANES OF GLASS (D.L.=7 LBS/SQ.FT.)(SEALED UNITS)
  • MATERIAL 6061-T6
  • ROOF TO BE ADEQUATELY SLOPED TO PREVENT PONDING
  • SKYLIGHT BARS TO BE SPACED AT 2'-0" C/C

PRINT ON 11X17 DATE: 2019-01-15 DWG. 91-1026-3

Page 407
Extracted from: 2022 07 12 Committee of the Whole agenda - Agenda - Pdf