EJ - Airport & Port Construction Castings

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Airport & Port Construction CastingsEJ offers many styles of construction castings specifically designed for airports and other environments that undergo excessive load conditions. From...

Category: airport castings | runway drains | trench gratings...

MasterFormat: Metal Fabrications | Metal Gratings | Bar Gratings...



EJ
301 Spring Street
PO Box 439
East Jordan, MI 49727
Tel: (800) 626-4653
Fax: (231) 536-4496

us.sales@ejco.com

http://americas.ejco.com

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Overview



Airport & Port Construction Castings



Airport & Port Construction Castings

Airport & Port Construction Castings

EJ offers many styles of construction castings specifically designed for airports and other environments that undergo excessive load conditions. From round or square manhole frames and covers, catch basins, drainage inlets, trench grating and mooring eyes, EJ has you covered. All extra heavy duty construction castings are manufactured with gray iron conforming to ASTMA 48 Class 35B and ductile iron conforming to ASTM A536. Many of our airport castings can be made-to-order with custom logos and messaging, in most languages, to meet your project specifications.

These airport and sea port authority access solutions can be found installed and in use at numerous airports, ports and other large projects located in North America and other parts of the world.

Loading Requirements
All of our products are designed to meet or exceed the specified loading requirements.
They conform to AASHTO and ASTM standards. These standards specify product groups and minimum load classifications dependent on the place of installation. Additionally many casting are also certified by a third party to meet EN124 requirements.

Proof Load Testing – Airport Castings
All airport construction castings must pass a rigorous proof load test conducted in accordance with AASHTO M306 guidelines, with the proof load amount revised to 200,000 pounds to account for high loading environments. The proof load testing procedure calls for the load to be concentrated on a 9" x 9" contact area in the center of the cover or grate and hold 200,000 pounds for one minute. Following the test the casting is carefully inspected. Cracks or permanent deformation are cause for rejection. Frequently, EJ castings are tested far beyond the specified proof load, often to destruction. EJ castings that are rated for airport service are designed to meet or exceed the loading requirements listed in Federal Aviation Administration (FAA) advisory circulars AC 150/5320-6D Appendix 3 and AC 150/5370-10A, Item D-751.

Material Selection
Depending on the model, our construction castings can be manufactured using either gray iron or ductile iron. Gray iron has an unequaled record of success as a material for construction castings. Gray iron is highly resistant to corrosion and maintains compressive strength, abrasion resistance, vibration absorption and low-notch sensitivity. Additionally, gray iron has a long service life and is very cost effective. Ductile iron combines the advantages of gray iron with greater strength, toughness, higher impact resistance and increased durability without additional weight. Because it has the ability to withstand greater loads without failure, it is often specified for extra-heavy load applications.

Load Ratings and Descriptions


RatingAcceptable Load Weight (lbs)Description
Airport Extra Heavy DutyMax. 200,000Casting has been proof load tested to a minimum 200,000 lbs. This includes an additional safety factor over FAA design loading.
Extra Heavy DutyMax. 100,000Casting has been proof load tested to 100,000 - 200,000 lbs. This meets the design loading associated with the FAA wheel loading.
Heavy DutyMax. 40,000Casting must meet the requirements of AASHTO M306 to be classified as heavy duty. AASHTO M306 requires that castings bear a minimum of 40,000 lbs on a 9" x 9" area.


EJ
301 Spring Street
PO Box 439
East Jordan, MI 49727
Tel: (800) 626-4653
Fax: (231) 536-4496
E-mail: us.sales@ejco.com
Web site: http://americas.ejco.com





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