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HSCG38-12-Q-200079 Requirements
1.0 Statement of Need.
This requirement is for the acquisition of nine (9) 4’ x 6’ Downdraft tables to be used by the Aviation Logistics Center. These downdraft tables will be used to provide a cleaner, safer, and healthier work environment by capturing hazardous dust particles during grinding and sanding operations on parts and assemblies. The contractor shall provide the Downdraft tables at the firm fixed price(s) specified in the resultant Purchase Order.
2.0 Requirements.
| Dimensions |
| 4 feet x 6 feet |
| Table Top |
| Fully Ventilated |
| Side Height |
| Between 15 and 20 inches |
| Table Height from Floor |
| Between 36 and 44 inches with casters included |
| Airflow |
| At least 205 (FPM) |
| Power Requirement |
| Single Phase, 230 volt |
| Safety Rating |
| Units must be UL “Class 2” (spark resistant) |
| Motor |
| Must be mounted externally and cannot contain any components capable of producing a spark which can come into contact with dust generated from sanding and/or grinding operations |
| Casters |
| Units must contain lockable casters |
| Paint |
| Units must have a durable industrial paint finish |
| Construction |
| Units must be all welded construction |
| Bearings |
| All bearings must be sealed with no requirements to grease |
| Filtration |
| Units must use HEPA filtration system MERV 14 high efficiency main filters or higher and MERV 9 high capacity pre-filters |
| Filter Access |
| Should include tool-less quick open access door(s) |
| Gauge |
| Units must include an easily readable Magnehelic type filter pressure monitor gauge |
| Hazardous Dust Capture |
| Units must meet all standards for capturing Hexavalent Chromium and other hazardous dust |
| Operation |
| Units must be direct drive with no belts to inspect or replace |
| Motor Compartment |
| Units must include an acoustic lined blower motor compartment |
| Electrical Connections |
| Connections must be 18 or more inches from the floor |
| Table Access |
| Workers must be able to utilize all 4 sides of the table |
| Cleaned Air |
| Discharge must be at bottom of the unit to allow for access to all 4 sides |
| Sound Level |
| Must be 85 decibels or below at 5 feet (1.52 meters) |
