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Metropolitan Crane and Hoist Company

Metropolitan Crane & Hoist Company

Overhead Bridge Cranes (Installations, Repairs & Support)

New, Used, Custom Designed, Replacement Parts for Chains, Hoists & More.

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CASE STUDIES

Case Study Examples

Chain Hoist for Maintenance Use
Consolidation and Relocation
Extending Monorail
Trusted Solution Stands Strong
Fire Department Upgrade
Heavy Lifting with Finesse
15-Ton Mono-box
Wood Building, Gravel Floor
Used Crane: Learning Experience

Consolidation, Relocation, & Modification of Equipment

A large Midwest manufacturer contacted Metropolitan Crane to assist in the relocation of a material handling overhead crane systems from facilities in Minnesota and Wisconsin to Pennsylvania and South Dakota.

Initially Metropolitan Crane provided assistance to analyze the value and cost effectiveness of modifying and relocating these crane structures versus purchasing new systems. Since they already owned them and the cranes were current design and in good operating condition it was determined to be a good value and well within budget.

The project began with our review of their existing crane systems and concluded with the installation of the material handling overhead crane systems into both facilities in Pennsylvania and South Dakota.

To do so, the systems were carefully analyzed to determine how best to accomplish this relocation.

The structural steel needed to be modified to fit within the building parameters of each different facility, while obtaining the maximum floor coverage and hook height.

The overhead cranes were fortunately, slightly longer span than was required in this application, thus capable of being shortened.

Also, as part of the relocation one of the cranes required two hoists and an increase in capacity.

Once again fortunately since the crane span was shortened, the allowable load on the crane girder increased enough to allow for the increase in capacity and since the other mechanical requirements such as wheel and axle loads, motor horsepower and torque rating of the gear reducers etc. were adequate enough to Allow the increase., we modified the crane to operate with two hoists.

This process never required travel to the other states prior to the removal and installation of the material handling crane systems.

Facility engineers provided aCad drawings with accurate dimensions indicating the locations where the new crane systems were to be installed.

We had the information for most of the crane systems since we had originally designed, built and installed most of it. The remaining information we didn’t have was field measured and verified.

Once the preliminary process was completed and the design requirements and capabilities of the systems were confirmed, the crane systems were designed and incorporated into the aCad drawings provided by the facility engineers.

When reviewed and approved the following process went into action:

Relocation Project:

Case Study Examples

Chain Hoist for Maintenance Use
Consolidation and Relocation
Extending Monorail
Trusted Solution Stands Strong
Fire Department Upgrade
Heavy Lifting with Finesse
15-Ton Mono-box
Wood Building, Gravel Floor
Used Crane: Learning Experience

Crane Installation