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Suspension Bridge Design Considerations and Math
80 Foot Bridge - Parts List

ItemSize / AmountNumber
Telephone Poles12 inch diameter, 17.4 feet long4
Telephone Pole12 inch diameter, 4.0 feet long1
Galvanized Stove pipe6 inch diameter, 2.0 foot1
Axal GreaseHeaping Table Spoon4
Stove Bolts3/8 x 13.00 inch long8
Stove Bolts3/8 x 15.00 inch long8
Spike nails3 inch long20
Roofing nails1/2 inch long16
Joist2 x 10, 8.0 foot long2
Rafter2 x 8, 8.0 foot long2
Deck Beams2 x 6, 8.0 foot long20
Deck Beams2 x 4, 8.0 foot long20
Deck Planks5/4 x 6, 12.0 foot long47
Deck Screws2.5 inch long564
Steel Wire#9 wire1583.1 feet
Steel Cable0.625 inch diameter351.2 feet
Cable Clampfor 0.625 inch cable76
Turnbuckle0.625 inch, 18-24 inch adjustment4
Cattle Fencing48.00 inch high200 ft

Notes:
1. Parts list does not include material for steps, foundations, or anchors.
2. Telephone poles are tapered.   Measure diameter at small end.
3. Stove bolt lengths are based on telephone poles with a two inch taper.


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