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2 7/8'' PIPE HELICAL EXTENSIONS
PIPE HELICAL EXTENSIONS
In applications where compression is the primary consideration we recommend using round shaft piers. In Compression our round shaft has several advantages over the typical square shaft
Round Shaft Advantages
Superior Lateral Stability
Greater Section Modulus Strength to resist Twisting and Deflection
Patented Cross- Bolt Connection
Greater Load Capacities
Easy to Install
Installs in Any Season
Minimal Soil Disturbance
Not Effected by High Water table
NOTES:
1.CORROSION PROTECTION CONFORMS TO ASTM A123 STANDARD SPECIFICATION FOR HOT DIPPED ZING(GALVANIZED) COATING
2.NUTS AND BOLTS TO BE INCLUDED AS INDICATED SEE DETAL SHEET-3
STEEL SPECIFICATIONS:
PIPE SHAFT:2 7/8 ''ø OD J55 SEAMLESS TUBE.276''WALL(Fy=55ksl)
PIPE SHAFT INSERT:2 1/4 ''ø OD J55 SEAMLESS TUBE.315''WALL(Fy=55ksl)
STEEL SPECIFICATIONS MUST BE STRICTLY ADHERED TO
EXTENSION LENGTH:3 FEAT/5 FEAT/7 FEAT
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