1903 - Riveted Grating Invented for - :: Louisiana Transportation

Bridge Products

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

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.

1930’s Press Lock

1940’s Electro-forged Steel -----------------

1940’s Aluminum Plank

History of Metal Bar Grating

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

Grating Load Ratings

Pedestrian Loading or Heavy Duty Loading

OGI Cat Page 7 OGI Cat Page 71

American National Standards

ANSI/NAAMM MBG 531-00 & MBG-532-00

New Riveted Steel Bridge Deck & Aluminum Plank Sidewalk

1980 Welded Deck & Concrete Sidewalk

Welded Brand X OGI Riveted Heavy Duty

Grosse Ile, MI Bridge

Steel Bridge Deck & Sidewalk Installed in 1980

Grosse Ile, MI Bridge

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

During Reconstruction Grosse Ile, MI Bridge

During Reconstruction Grosse Ile, MI Bridge

During Reconstruction Grosse Ile, MI Bridge

During Reconstruction Grosse Ile, MI Bridge

During Reconstruction Grosse Ile, MI Bridge

During Reconstruction Grosse Ile, MI Bridge

After Reconstruction Grosse Ile, MI Bridge

After Reconstruction Grosse Ile, MI Bridge

After Reconstruction Grosse Ile, MI Bridge

After Reconstruction Grosse Ile, MI Bridge

Before and After Video

Grosse Ile, MI Bridge

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

Why Riveted Heavy Duty?

Why Riveted Heavy Duty?

Why Riveted Heavy Duty?

Why Riveted Heavy Duty?Long Life

Built 1958 with Deck replaced in 1994

Why Riveted Heavy Duty?Long Life

Veteran’s Memorial Bridge, Bay City 1994

Why Riveted Heavy Duty?

Long LifeBuilt 1928 with Deck

replaced in 1971

Why Riveted Heavy Duty?

Long LifeLaSalle St, Chicago 1971

Why Riveted Heavy Duty?

Long Life

1951

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

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

Any Questions?

Thank you for this opportunity to showcase Ohio Gratings Products.

www.ohiogratings.com800.321.9800