Page 46 - North American Clean Energy March April 2018 Issue

solar spotlight: ground screws
Ground Screws
SEE AD ON PAGE 44
SEE AD ON PAGE 44
Ground screws are becoming the choice in foundation methods. They eliminate the need for concrete and allow foundations to be quickly set. The following highlights a variety of available options to suit di erent applications and soil conditions.
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.
www.americanea.com
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
Key Features:
• Groundscrews work in any terrain;
• Double ground mount production
with no increase in overhead;
• Less manpower required;
• On-site testing easily performed;
• Turn 4 days into 4 hours.
www.ecofoundationsystems.com
SEE AD ON PAGE 47
Williams Form Engineering Corp.
Product: Micropiles
Description: Williams offers right-hand threaded Grade 75 All-Thread Rebar
in #14 to #28 along with a selection of reducer couplers that can adapt to splice together any larger size bar to any smaller size. Williams also offers Grade 80 and Grade 90 All-Thread- Rebar and 150 KSI All-Thread-Bar
as alternatives for micropile design applications upon request.
Material: Grade 75 All-Thread Rebar Thickness: #28
Length: 50' (15.25m)
Thread Pitch: 2.75” (6.98cm) Key Features:
• In larger micropile designs, casing diameter is minimized;
• Effective net area available for reinforcement is optimized with a single large bar;
• Increased rate of production by installing a single large bar.
www.milspecanchors.com
46
MARCH•APRIL2018 /// www.nacleanenergy.com
TerraSmart
Product: TerraSmart Ground Screw
Description: TerraSmart Ground Screws are made with quality materials and finished with
a corrosion resistant, hot-dipped galvanized coating for long-lasting foundations. The spiral thread design minimizes embedment depth that increases installation efficiency. It has a forged chisel-tip for insertion into soil, including rock, and has a 20-year limited warranty.
Material: Steel tube with a hot dipped galvanized finish
Thickness: 0.145" (0.368cm) Length: 82" (208cm)
Thread Width: 0.5" (1.27cm) Thread Pitch: 2" (5.08cm) Threads: 15-20 www.terrasmart.com
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 galvanized
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 www.milspecanchors.com
Almita Piling, Inc. Product: Helical Pile Foundations
Description: Almita Piling
offers engineered helical pile foundation designs, fabrication and installation, and supplies and supports renewable energy solar, and wind projects.
Material: Steel, galvanized, pipe, and helix
Thickness: Variable Length: Up to 328' (100m) Flange Size: Variable www.almita.com