Loudoun County Unincorporated

All associated activities must be contained within a building. No outdoor storage of materials is allowed.

Outdoor storage in conjunction with the use is subject to the Use-Specific Standards of Section 4.06.07.

Contractors with no outdoor storage are permitted. Contractors with outdoor storage require Special Exception approval and such outdoor storage is subject to the Use-Specific Standards of Section 4.06.07.A-G.

Up to 20% of the gross lot area may be used for outdoor storage in conjunction with a contractor use, subject to the Use-Specific Standards of Section 4.06.07.A-F. Outdoor storage greater than 20% of the gross lot area requires Special Exception review and approval.

Data centers must meet the Façade Standards in Section 4.06.02.C and the General Site Design Standards in Section 4.06.02.D.

Fenestration must comprise at least 30% of the total surface coverage area of the Principal Façade.

Loading bays are permitted to be located on only 1 façade.

Data Centers are subject to the Noise Study standards pursuant to Section 7.05.03.G. For Data Centers on property adjacent to property with existing residential development... any Data Center Mechanical Equipment located on the property... must be screened on all four sides by an acoustical barrier.

A maximum of 20% of the required plant units may be a combination of shrubs, ornamental grasses, and perennials. A minimum of 40% and a maximum of 70% of the required plant units must be evergreen trees that are a minimum of 8 feet in height at the time of planting. A maximum of 30% of the required plant units may be small deciduous trees. A maximum of 30% of the required plant units may be large deciduous trees.

All ground level and roof top Data Center Mechanical Equipment must meet the following standards: Data Center Mechanical Equipment must be shown on any proposed Site Plan and must be fully screened on all sides.

Refuse collection areas must be fully screened on all sides and loading bays must be screened from view at the ground level from all adjacent parcels and existing or planned public roads.

Parking must be setback at least 50 feet from the common property line... Structures must be setback at least 200 feet from the common property line.

Generator testing is limited to between 5:00 p.m. and 7:00 p.m. between May 1 and September 30; Generator testing is limited to between 11:00 a.m. and 5:00 p.m. between October 1 and April 30; Except for generator testing or commissioning activities, generator use is limited to backup/emergency use only.

Data Centers must include a photometric plan that shows all exterior lighting, including any security lighting; and Maximum illumination under Section 7.05.02.B.3 includes any security lighting.

Stone quarrying uses must meet the following additional Use-Specific Standards...

The pit wall of a quarry must be set back at least 1,000 feet from the MR-HI Zoning District boundary

Structures enclosing processing equipment associated with an extraction operation, including crushers, conveyors, washers, and screeners, must be set back a minimum of 500 feet from the MR-HI Zoning District boundary

Other structures related to extraction operations, including scale houses and storage yards, must be set back as follows: A minimum of 200 feet from the MR-HI Zoning District boundary. Exception. When abutting the GB, CLI, or GI Zoning District boundary, the minimum setback from the MR-HI Zoning District boundary is 50 feet; and A minimum of 100 feet from all public roads within the zoning district.

Buildings devoted solely to office and administrative uses must be set back a minimum of 50 feet from the MR-HI Zoning District boundary.

For adjacent properties, no commercial, industrial, or other nonresidential building is allowed within 50 feet from the property line of an existing and/or approved quarry operation.