Attachment 1 - Salient Characteristics - YC Mobile Shelves.pdf

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21 FSS Youth Center Mobile Shelves Upgrade
Solicitation number
FA251725Q0075
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The document details salient characteristics for a Mechanical Assist rolling high-density storage shelving system for a federal contract. Key specifications include steel-framed shelving units with 24-inch shelf depth, maximum height of 97 inches, and a weight capacity of 300 lbs per shelf. The system features a floor-mounted track system with a chain sprocket drive mechanism, allowing 1 lb of force to move up to 4,000 lbs of load. Safety features include color-coded visual indicators and a single safety lock button on each operating wheel hub.

Additional technical details cover the drive system's design to ensure uniform carriage movement, permanently shielded and lubricated bearings, and movement controls with triple arm operating wheels. The shelving units include 3"x5" steel card holders for labeling, have a powder coat paint finish on metal components, and high-pressure laminate finish on end panels. The shelving units are designed with precise dimensional constraints, including a maximum disassembled component width of 34 inches and height of 83 inches to ensure they can fit through doorways.

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Salient Characteristics Mobile Shelves

• Shelving Type: Mechanical Assist rolling high-density storage shelving system.

• Shelf Depth: 24”

• Overall Shelving Unit Height (Maximum): 97” high shelving, 106” Overall height which includes shelving installed on carriages and rails.

• Shelving Unit Disassembled Component Width (Maximum): 34 inches (Critical for fitting through the door. The ½ inch from the door measurement is removed for tolerance.)

• Shelving Unit Disassembled Component Height (Maximum): 83 inches (Must fit through the doorway.)

• Shelving Unit Frame Material: Steel

• Weight Capacity Per Shelf units, 48” x 24” and 72” x 24’ are rated for 300 lbs. per shelf. All rated for the intended use.

• Labeling System: Each shelving range shall have 3” x5” steel card holders for labeling individual shelves or sections.

• Floor-Mounted Track System: The shelving system shall be designed to operate on a floor mounted track system that exists and originally designed for Storage Systems, Synchro Rail.

• Movement Controls: Triple arm operating wheels with rotating hand knobs shall be provided on the accessible (drive) ends of shelf units, centered on the end panel, located 40 inches (1051MM) from the base of each unit to permit units to be moved to create a single aisle opening. Turning the handle transmits power through chain drive to drive wheels on each carriage.

• Drive System: The system shall be designed with a positive type of mechanically assisted drive which minimizes end play, ensures there is no play in the drive handle, and that carriages will stop without drifting and includes a synchro drive which assures the front and back of each carriage are moving in perfect alignment.

• The system shall include a chain sprocket drive system for each movable carriage to ensure that carriages move uniformly along the total length of travel, even with unbalanced loads. All system components shall be selected to ensure a smooth, even movement along the entire carriage length.

Drive system gearing shall be designed to permit 1 lb. of force applied to the drive handle to move a minimum of 4,000 lbs. of load.

• A tensioning device shall be provided on each chain drive with provision for adjusting tension without removing end panels.

• All bearings used in the drive mechanism shall be permanently shielded and lubricated.

• Safety Features:

o Color-coded visual indicators shall provide verification that carriages are in a locked or unlocked mode.

o A single safety lock button, mounted on each operating wheel hub, will permit moving a carriage in either direction to create a new access aisle when pulled out (unlocked), or locking the carriage when pushed in.

• Powder coat paint Finishes:

o Fabricated Metal Components And Assemblies:

Manufacturer’s standard powder coat paint finish.

• End Panels will be High Pressure Laminate Finish (HPLF)

File details come from the government source that posted it. Updated .