Page 45 - North American Clean Energy March/April 2020 Issue
P. 45

   solar product spotlight: ground screws
   Milspec Earth Anchors
Product: Solar Helical Pier
Description: Solar pier with helical plate is a foundation alternative to cement or driven H-beam. Milspec’s solar helical pier allows for greater loads and has an extremely high pullout resistance. With a 50-year minimum lifespan, they are easily removed and can be reused.
Material: API pipe
Surface Treatment: Hot-dipped
Diameter: 2 3/8" (6.03 cm), 2 7/8" (7.3 cm), 3 1/2" (8.89 cm), or larger if needed
Thickness: .190w to .337w
Length: 5' to 10' (1.5m to 3m) as needed Flange Size: As required
Thread Pitch: 3" (7.62cm)
Threads: 1 to 3 helices
Key Features:
• Start loading immediately after installation;
• Reusable;
• Custom pier stabilizers control lateral loads;
• Milspec Earth Anchors manufactures their piers and can perform installations upon request.
    American Earth Anchors
 Product: PE46-Hex8
Description: 46" aluminum screw anchor that can replace concrete footings. The 8" extended hex head comes with two 3/8" clear holes for direct mounting of a 2" schedule 40 pipe. The PE46-Hex8 screws in and out with an impact wrench for easy leveling, will not rust, and weighs only 12lbs.
Material: Heat treated aluminum Thickness: 1.75" (4.45cm) shaft Length: 54" (137cm)
Flange Size: 4" (10.16cm) Thread Width: 3" (7.62cm) Thread Pitch: 2.25” (5.72cm)
Threads: 17 Key Features:
• Replaces concrete footings, no digging, forms, pouring, or waiting;
• Tested for up to 14,000lbs of pull out and 9,000lbs of down pressure;
• Aircraft quality 356 alloy, heat treated cast aluminum;
• Fast installation with 1 3/4" socket and impact-easy leveling by screwing up or down;
• Made for temporary or permanent application.
 Ashman Ground Screw Product: Ashman 78 Inch Heavy Duty Ground Screw Model: ASG - 7801 Description: The Ashman Ground Screw is manufactured to seamlessly install difficult projects, including foundations, constructions, solar arrays, street signage, and fencing. Their modern ground screw technology is fast and easy to install, with no digging or concreting required.
Material: Hot-dipped galvanized steel Thickness: 0.2" (5mm)
Length: 78" (198cm)
Flange Size: 8.6" (21.8cm)
Thread Width: 3" (7.6cm)
Thread Pitch: 35" (88.9cm) Threads: 22
American Ground Screw Product: Ground Screws & Helical Piles Description: American Ground Screw solutions effectively anchor solar arrays without concrete footings. Their system
of ground screws and helical piles are adaptable to any terrain and racking system, and are compatible with all static and tracking photovoltaic systems.
Material: Q235B Steel
Surface Treatment: Hot-dipped galvanized ASTM123 75
Diameter: 50-450mm, 2-18"
Length: 600-4500mm, 2-15'
Flange Size: Multiple standard and custom made
   GROUND SCREWS? REFUSAL HOLES? HELICAL ANCHORS? Rock Drilling Attachments Get the Job Done. | 1.336.584.6700
      ECO Foundation Systems Product: Ground screws
Description: Groundscrews are a replacement for concrete pier footings. They offer an extremely fast and strong foundation system
in almost any substrate, including rock, and
can be installed quickly, with racking being installed simultaneously. Double ground mount production with no increase in overhead. Material: Hot dipped galvanized structural steel Thickness: Sidewalls 0.12" to 0.20" (3mm - 5mm) thick
Length: 3' to 10' (0.91m to 3.05m) Flange Size: Various sizes depending on application
Thread width: 1/2" (1.27cm)
Thread Pitch: 2" (5.08cm)
Threads: 10 to 20
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