G136 Drive-in Piston Survey Monument
Lightweight & extremely strong and durable - Designed for surveys where speed of installation is a primary concern
- Multiple uses: marking boundaries, an accessory to section corners, marking cemeteries, and numerous other uses
- 6000 series aluminum driving head cap
- 1" (50mm) diameter aluminum pipe
- Cast aluminum base point*
- Driving head cap and base are held to the pipe with aluminum rivets
- Can be driven into most soil conditionswith a LIXIE deadblow hammer - No hole digging
* Permanent ceramic magnets located below the break-off point in the base
Optional: G2 Tap-on Cap
G136 Survey Monument Installation Instructions 
A = 1 5/8" (41 mm)
B = 1" (25.4 mm)
C = 36" (900 mm)
D = 2" (51 mm)
E = 2 1/8" (54 mm)
(Other lengths available)