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Structural Fasteners

All items hot-dip galvanized. bolts, nuts, and washers sold separately.

Wedge Anchors

Non-bottom bearing anchor for general construction. Galvanized carbon steel.

Bevel Washer

Hardened bevel washers are furnished galvanized.

Anchor Bolt Placement templates

Anchor bolt placement templates are custom fabricated to any application.

Anchor Bolts

Anchor bolts are available in a variety of sizes and materials. Anchor bolts typically are supplied with exposed areas hot dip galvanized, and shipped with three nuts and two flat washers.

U-Bolts

Hot-dip galvanized, domestic manufacture. Furnished as a complete assembly consisting fo a U-Bolt, as well as two heavy hex nuts, hardened round washers, and split lockwashers.

Mounting Pipes and Plates

Mounting Plates are used to attach mounting pipes to mounts and gates.

J-Bolt

Washers and nuts sold separately.

Waveguide Plates

With J-bolts, universal waveguide plates attach waveguide ladders to tower members. Splice plates link waveguide ladder sections.

Guy Strand, Extra High Strength (EHS)

Domestic manufactured, galvanized strand meets ASTM A475 specification with Class A coating. Left hand lay. Additional charges may apply to lengths under 200'

Bridge Strand

Domestic Manufacture. Galvanized bridge strand meets ASTM-A586 specifications with class A coating. Left hand lay.

End sleeves

Also known as ice clips, end sleeves are used on preformed guy grips to prevent end from becoming frayed or otherwise damaged by ice.

Guy Grips

Galvanized steel "dead-ends" or "preforms". Used with left-lay EHS strand.

Rocket Socket

For use with bridge strand as an option to dead-end grips, or when dead-end guy grips are not available for the size of bridge strand in use. Specify left or right hand lay of bridge strand. Installed in the field.

"Rocket Socket" is a registered trade name of Preformed Line Products.

Turnbuckle

Jaw and Eye turnbuckle is shown. Other configurations available. All items of domestic manufacture. Meets federal specification FF T-791b. Type I.

Shackle

Screw pin, galvanized, domestic manufacture. Shackles meet federal specifications RR-271d. Type IV.

Wire Rope Clip

Drop Forged wire rope clips. Meets federal specification FF-C-450. Hot dip galvanized. Type I, Class I.

Thimble

Heavy duty wire rope thimbles. Hot-dip galvanized.

Fall Protection

The flexible cable system consists of top and bottom brackets that act as anchors for a steel cable that runs the length of the climbing surface. Systems include top and bottom bracket assemblies, cable guides, and cable. A working system requires a safety sleeve, a carabiner, and a body harness, which must be purchased separately. All items are distributed by DBI/SALA.

Harness

Harnesses are available in the cross-over style, full body harness or in the tower climbing version. The tower climbing harness features two tool pouch D-rings and a permanently attached seat sling. An accessory Y-lanyard connects to seat sling D-rings on the tower climbing harness to allow attachment of the seat sling to the tower structure.

Compression Lug (Grounding)

Used in attaching a ground wire to a metal structure, teh compression lug is available for either #6 or #2 bare wire.

Parallel Splicer (Grounding)

The parallel splicer is used for connecting a ground wire to varying size tower guys.

Ground Rod Clamp (Grounding)

The ground rod clamp is available for attaching ground wires to either 5/8" or 3/4" ground rods.

Ground Rod (Grounding)

Ground rods are 5/8" diameter x 8' long, galvanized steel.

Lightning Rod (Grounding)

1/2" x 4' lightning rods are furnished with a mounting clamp.

Buss Bars (Grounding)

Copper ground bars are available in 12-inch or 24-inch lengths with single or double rows of holes. A variety of mounting hardware is available.

Wall Attachment (Grounding)

A "standard" grounding system per TIA/EIA-222-F consists of 5/8" diameter galvanized steel ground rods driven not less than 8' into the ground, and bonded to the grounded structure with a lead of not smaller than number 6 tinned bare copper wire.

A self-supporting tower requires one ground rod at each leg.

A monopole requires a minimum of one ground rod.

A guyed tower requires two ground rods at the base of the tower and one at each anchor point. The grounding cable at each ancor must be connected to each guy line. For this reason, teh cost of a grounding system varies with the number of guys as well as with the number of anchors.

Ehresmann Engineering can provide any item for specific tower needs. For different sizes of ground rods, lighting rods, or compression lugs, or for complete systems, call for information.

Angle Adapter (Grounding)

A "standard" grounding system per TIA/EIA-222-F consists of 5/8" diameter galvanized steel ground rods driven not less than 8' into the ground, and bonded to the grounded structure with a lead of not smaller than number 6 tinned bare copper wire.

A self-supporting tower requires one ground rod at each leg.

A monopole requires a minimum of one ground rod.

A guyed tower requires two ground rods at the base of the tower and one at each anchor point. The grounding cable at each ancor must be connected to each guy line. For this reason, teh cost of a grounding system varies with the number of guys as well as with the number of anchors.

Ehresmann Engineering can provide any item for specific tower needs. For different sizes of ground rods, lighting rods, or compression lugs, or for complete systems, call for information.

Tower Lighting (Lighting)

Tower lighting and marking requirements are established by the Federal Aviation Administration Advisory Circular AC 70/7460-1K. In short, towers exceeding an overall height of 200 feet above ground level (AGL) must be marked and /or lighted. With the proper lighting, the painting of towers may not be required. For example, when towers of 500 feet AGL or less are lighted 24-hours a day with white, medium intensity flashing lights, painting is not required. Taller towers may similarly avoid paint through the use of high-intensity strobe lighting.

In areas when a flashing whit strobe may not be welcome at night, towers can be lighed with a dual system, providing white lighting during the day and red lights for nighttime and twilight.

(Note: The FAA may determine that a tower poses a greater than normal hazard to aviation, and direct more stringent requirements than listed above. Contact your nearest FAA office for guidance.)

Beacon Mounts (Lighting)

Ehresmann Engineering can fabricate a complete line of beacon mounts and beacon ice shields to suit all requirements. All items are provided hot-dip galvanized with a complete hardware package to match your tower.

Beacon Ice Shields (Lighting)

Ehresmann Engineering can fabricate a complete line of beacon mounts and beacon ice shields to suit all requirements. All items are provided hot-dip galvanized with a complete hardware package to match your tower.