1903 - riveted grating invented for - :: louisiana transportation
TRANSCRIPT
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Bridge Products
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Agenda : LA Trans Conf.1) Brief History & Basics of Metal Bar Grating.2) Before, During & After review of Grosse Ile, MI
Bridge Project3) Why Heavy Duty Riveted Bridge Deck is Superior4) Advantages of Aluminum Plank Sidewalk Grating5) Aluminum Lite I-bar Grating Inspection Walkway6) Open Discussion / Questions
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History of Metal Bar Grating
1903 - Riveted Grating Invented for the subway system in New York City
Strong yet light weight for Bridge Decks
Metal Bar Grating allows Air, Light and water flow.
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1930’s Press Lock
1940’s Electro-forged Steel -----------------
1940’s Aluminum Plank
History of Metal Bar Grating
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1960’s Swage Lock Alum
Carbon and Stainless Steel
1990’s Wheels n’ Heels for ADAand H20 ratings
2000’s Louver Grate
Originally used as flooring product, today’s grating applications include: security grills, fences, facades, louvers and sunscreens.
History of Metal Bar Grating
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Grating Load Ratings
Pedestrian Loading or Heavy Duty Loading
OGI Cat Page 7 OGI Cat Page 71
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American National Standards
ANSI/NAAMM MBG 531-00 & MBG-532-00
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New Riveted Steel Bridge Deck & Aluminum Plank Sidewalk
1980 Welded Deck & Concrete Sidewalk
Welded Brand X OGI Riveted Heavy Duty
Grosse Ile, MI Bridge
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Steel Bridge Deck & Sidewalk Installed in 1980
Grosse Ile, MI Bridge
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Aluminum Plank Sidewalk ADA CompliantHeavy Duty Riveted Steel
Bridge Deck
Heavy Duty Riveted Steel Concrete Filled Bridge Deck
Bridge Products
Alum Lite I-bar Inspection Walkway Below Deck
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During Reconstruction Grosse Ile, MI Bridge
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During Reconstruction Grosse Ile, MI Bridge
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During Reconstruction Grosse Ile, MI Bridge
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During Reconstruction Grosse Ile, MI Bridge
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During Reconstruction Grosse Ile, MI Bridge
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During Reconstruction Grosse Ile, MI Bridge
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After Reconstruction Grosse Ile, MI Bridge
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After Reconstruction Grosse Ile, MI Bridge
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After Reconstruction Grosse Ile, MI Bridge
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After Reconstruction Grosse Ile, MI Bridge
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Before and After Video
Grosse Ile, MI Bridge
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Why Riveted Heavy Duty?
Strong, Fatigue Resistant Design
Rivets are below top surface in low stress area
No welds near top surface
Connecting bars spread the load and add strength
Flexibility in Bar sizes and configuration
Time Tested - Long Life
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Why Riveted Heavy Duty?
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Why Riveted Heavy Duty?
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Why Riveted Heavy Duty?
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Why Riveted Heavy Duty?Long Life
Built 1958 with Deck replaced in 1994
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Why Riveted Heavy Duty?Long Life
Veteran’s Memorial Bridge, Bay City 1994
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Why Riveted Heavy Duty?
Long LifeBuilt 1928 with Deck
replaced in 1971
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Why Riveted Heavy Duty?
Long LifeLaSalle St, Chicago 1971
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Why Riveted Heavy Duty?
Long Life
1951
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Advantages of Aluminum ADA Plank with Slip NOT
Strong and light weight. 2” size = 4.7 lbs / Sq Ft
ADA Compliant and High Heel Friendly
Slip Resistant COF = 0.9 with SlipNOT
Fast Installation
Naturally Corrosion Resistant
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Advantages of Aluminum Lite I-bar Grating
Strong and light weight 1” size = 1.7 lbs / Sq Ft
Great for industrial walkway
Built in Slip Resistance with COF = 0.75
Fast Installation
Naturally Corrosion Resistant
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Any Questions?
Thank you for this opportunity to showcase Ohio Gratings Products.
www.ohiogratings.com800.321.9800