BD Loop Installation for Asphalt or Gravel Roads, Brick Pavers, or Concrete
Directions for quick and easy layout of BD Loops
Step #1
Determine the placement of the yoke (intersection of loop and lead-in wire) and secure it in place. Pace off 8 foot 8 inches at 62° for a 4′ x 8′ or 9 foot 1 inch at 70° for a 3′ x 9′ loop size and ground stake* or cable tie* the corner in place. See Figure A, Step #1 above. Note: BD Loops are packed from the factory with the corner opposite of the yoke with a folded bend in the loop for easy identification
Step #2
Place a stake or cable tie at the 4′ or 3′ leg of the loop that makes a 90° corner as shown below and marked as Step #2.
Step #3
Place the last stake or cable tie to form a 90° corner marked as Step #3 to form a 90° angle. See bottom drawings of Figure A.
* Both ground stakes and cable ties are supplied with each loop.
Select Driveway Type: Asphalt or Gravel Road Brick Paver Concrete
BD Loops installation under Asphalt or Gravel Road
Step #1
Position and shape the loop on asphalt sub-base.
Step #2
Pull lead-in through ½ inch rigid schedule 40 or 80 PVC from loop yoke to gate operator detector location. Glue all PVC joints.
Step #3
Dig a 2-inch wide by 3-inch deep trench in the size and place of the loop footprint in step #1 and lead-in run to the detector. In the case of a Gravel Road, dig 6 to 8 inches deep.
Step #4
Fill the trench with one inch of sand base.
Step #5
Lay the loop and lead-in run in the trench on top of sand base and use supplied ground stakes to secure the loop corners.
Step #6
Cover loop and lead-in PVC run with 2.5 inches of sand. A slight mound effect will take place in the sand as it covers the loop and lead-in PVC run. This will allow a good compaction of sand around the loop when asphalt is applied.
BD Loops installation under Brick Pavers
Step #1
Determine loop position and footprint to include lead-in run to gate operator.
Step #2
Dig a two-inch wide by three-inch deep trench.
Step #3
Fill trench with 1 inch of sand
Step #4
Place loop in trench and run lead-in through schedule 40 or 80 rigid PVC. Glue all PVC joints.
Step #5
Cover loop and lead-in run with two and one half inches of sand.
BD Loops installation in Concrete
Step #1
Lay loop on top of the rebar (never below) and shape loop into desired loop pattern. Off-set loop pattern two to three inches to the left or right so it does not lie directly on top of rebar pattern.
Step #2
Use cable ties to secure loop in place.
Step #3
Run lead-in below the rebar through schedule 40 or 80 rigid PVC and glue all PVC joints.