490A29-GV

490A29-GV Screw-In-Anchor-Base
Suggested for 20’ to 25’ Poles**

Millerbernd’s 490A29-GV screw-in-anchor-base is designed for fast, one trip installation of lighting poles. It is quickly installed in minutes, using a standard Digger Derrick with a conventional Kelly Bar.

The 490A29-GV screw-in-anchor-base is fabricated from low carbon 36,000 PSI 1” steel plate and 35,000 PSI schedule 40 pipe. It is Hot Dip Galvanized per ASTM A123. The 490A29-GV is furnished complete with (4) 1” x 4” round head square neck bolts (ASTM A325), (4) heavy hex nuts & (8) flat washer shims all galvanized per ASTM A153. It has (2) 2 1/2” x 12” wireways spaced 180 degrees apart. These wireways are aligned with the location notch cut into the base plate.

The base is designed to withstand 10,000 ft. lbs. of installation torque.

Specifications
Typical Pole Size	25’ w/single 6’ arm
Max. EPA for TYP Pole	5.9 sq. ft. (see note 3)
Max. Base Moment *	9,388 ft.- lb.
Max. Base Shear *	493 lbs.
Bolt Circle	9 1/2” - 10 1/2”
Shaft O.D.	6 5/8”
Shaft Length	61”
Pipe Shaft Material	Schedule 40
Plate Material	36,000 PSI Min. Yield
Finish	Hot Dip Galvanized
Anchor Bolts	1” x 4” (A325)
Assembly Weight	125 lbs.

* Maximum moment and shear ratings for base when used with the typical pole above.
** Base may support taller poles with shorter arms or tenon top consent factory.

Note:
1. Designed to AASHTO-1994, 80 MPH wind w/1.3 gust. For other wind speeds consult factory.
2. Base designed for soils with 1,000 PSF cohesion or greater.
3. EPA will increase with shorter arm lengths or tenon top poles.

Millerbernd Manufacturing Company
622 6th Street South, P.O. Box 98
Winsted, Minnesota 55395
dclark@millerberndmfg.com
Phone: (320) 485-2111
Fax: (320) 485-4420