WASHINGTON, DC 20032 · DC — Ward 8
Building permit — electrical
Owner: 54 CONGRESS HEIGHTS L.L.C
Building permit — solar system
REVISION FOR PERMIT SOL2504338 System / Equipment Updates: Revised the PV module selection from ZNShine Solar ZXM7-SH108 410W modules to VSUN Solar VSUN440N-108BMH-DG-BB 440W modules. The revision updates the module count and system sizing references, module dimensions, module weight, array coverage, stringing, and associated design tables. The updated system size is 53.680 kW-DC and 50.000 kW-AC. Design / Layout Updates: Updated the roof layout, site layout, equipment locations, setback references, array configuration, sheet references, and roof-mounted equipment arrangement to reflect the revised module selection and associated module-string configuration. Electrical / Interconnection Updates: Updated line diagram, conductor/conduit schedule, fusing, disconnects, grounding, design tables, and placard information to match the revised PV system configuration. Structural / Mounting Updates: Updated racking and attachment details, module dimensions and weight, array area, total system weight, distributed dead load, attachment notes, and roof-to-racking interface details. The revised structural letter confirms that the existing wood truss roof framing remains adequate for the updated loading and that no structural modification is required. Code / Compliance Updates: Updated notes and sheet references to remain consistent with 2017 DCMR 12A / 12B / 12H, IBC 2015, IRC 2015, IFC 2015, NEC 2014, and ASCE 7-10 as adopted by the District of Columbia. The PE letter also reiterates that the seismic exemption under ASCE 7-10 ?13.1.4 remains satisfied and that the PV weight increase remains below the 10% threshold.
Applicant: JOSEPH ACKERMAN · Owner: 54 CONGRESS HEIGHTS L.L.C
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