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Glossary of Terms

1. Anchor Bolts:

Steel bolts poured in concrete; allows fastening of pole to ground.

2. Banner Arms:

Horizontal metal projections that function to support a banner.

3. Base Cover:

Two-piece metal cover placed at base of pole; function is cosmetic and covers anchor bolts. Base Plate: Welded to base of pole shaft; base plate allows pole to be mounted to anchor bolts.

4. Bolt Circle:

Diagonal measure from the center of one anchor bolt to another.

5. Bolt Square:

Measure from one anchor bolt to another adjacent anchor bolt.

6. Bollard:

Decorative post used as traffic or pedestrian barrier.

7. Bullhorn:

Mounted at top of pole; allows for mounting of multiple fixtures.

8. Drill Pattern:

Specific arrangement of holes, usually drilled at top of pole to allow for fixture mounting. EPA – Effective Projected Area:

9. EPA – Effective Projected Area:

Used to calculate loading of a pole; every object mounted on a pole should have an EPA value.

10. Flange Plate:

Connection plate between two poles.

11. Grounding Provision:

Object, usually a bolt, that is mounted inside pole to allow for electrical grounding.

12. HSS:

Hollow structural section.

13. Isotach Wind Map:

Mean occurrence wind map gives 50-year wind velocity for specific areas in the country.

14. Mounting Height:

Height measured from ground level to position of luminaire.

15. Luminaire:

Fixture or lamp mounted on pole.

16. Nut Cover:

Plastic covers that snap over anchor bolt nuts; function is cosmetic.

17. Powder Coat:

A strong paint finish that is applied via sprayed, coloured powder and baked into the surface of an object.

18. T-Base:

Housing for ballast.

19. Tenon:

Pipe welded to top of pole to allow mounting of a fixture or bullhorn.

20. Wall Thickness:

Measured thickness of pole shaft.

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