Helical Light Pole Foundation
A helical light pole foundation is a support anchor system that is used to reach stable soil to create a stable base for light poles and other types of utility structures.
Light pole foundations are suitable for both at-grade and above-grade applications. They have excellent lateral capacity with torque ratings up to 20,000 ft-lbs.
The clever design of the helical light pole foundation features a helix and stinger which allows for easy penetration even in dense or hard soils. The quick installation process is one of the reasons these foundation anchors are popular.
Unlike traditional foundations, light pole foundations do not require large-scale excavation and cause minimal disturbance to the soil. They are cost-effective and non-labour intensive making them ideal where quick installation or repair of light poles is required.
The thoughtful design of the pole foundation anchor also includes a pre-cut cableway that creates an easy wiring access by simply passing the wire through the side of the shaft and up through the base.
Another key advantage of the pole foundation anchors is that they can be easily uninstalled and repositioned. They can also be re-used in some cases provided the structure does not show signs of damage or environmental degradation.
Key Features:
- High strength shaft.
- Rugged helix plate to facilitate screwing into the soil even in difficult ground conditions.
- Lead point or “stinger” to facilitate initial penetration into the ground.
- Steel top base plate with slots for variable bolt hole circles to meet pole base dimensions.
- Pre-cut cableway for easy wiring
- Available in different lengths and diameters.
- Hot dip galvanized for corrosion protection
- Poles can be installed immediately
- Installation in all weather conditions
Helical Light Pole Foundation Drawing
| Series | Length (ft) | Bolt Circle Range (in) | Top Plate Configuration | Cableway Size Inches (cm) | Cableway Location from Base Plate Inches (cm) | Hardware Size (in) |
| SLF58-14 | 5 | 8-14 | Slotted | 2-5/8 X 12 | 12 (30.5) | 1 X 4 Carriage Bolt |
| SLF610 | 6 | 10.5 | Tapped Bolt Holes | 2-5/8 X 12 | 12 | 1 X 2.5 Hex Bolts |
| SLF511-17 | 5 | 11-17 | Slotted | 2-5/8 X 12 | 12 (30.5) | 1 X 4 Carriage Bolt |
| SLF611-17 | 6 | 11-17 | Slotted | 2-5/8 X 12 | 12 (30.5) | 1 X 4 Carriage Bolt |
| SLF711-17 | 7 | 11-17 | Slotted | 2-5/8 X 12 | 12 (30.5) | 1 X 4 Carriage Bolt |
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Frequently asked questions (FAQ)
How are helical light pole foundation anchors installed?
Helical pole foundation anchors are installed by being screwed into the ground using rotary equipment. The anchor’s lead point penetrates the ground first then as the rotary equipment rotates and presses the anchor into the ground, the helix plate starts to embed itself into the soil by rotating like a corkscrew.
Do light pole foundations require cement or curing before the pole can be installed?
No, once the foundation is installed, the light pole can be mounted immediately. Unlike traditional foundations where cement may need to be poured to secure the foundation and curing done, pole foundation anchors are simply screwed into the ground until the appropriate depth is reached.
Where are helical light pole foundations used?
Light pole foundations are a convenient solution for quick and cost-effective mounting of light poles, bollards, distribution lines, and more. Due to their exceptional lateral load bearing capacity they can be used to anchor various types of pole foundations including street, site, and parking lot light poles.
Are helical light pole foundations suitable for all soil types?
Yes, the design of the light pole foundation anchor makes it suitable for use in different soil conditions. The shaft of the pole foundation has a helix that screws into the ground penetrating even dense and rocky soils.