304.1Work considered an alteration under the Act shall include, but is not limited to, any of the following, regardless of whether or not the work is visible from public space:
(a) Any alteration as defined in Chapter 99;(b) Any addition to the building envelope;(c) Any alteration or repair that does not involve replacement in kind of an architectural feature, including removal of an architectural feature such as ornamentation or historic signage;(d) Construction of a projection into public space;(e) Installation or replacement of a window, door, siding, roofing, or other exterior building finish;(f) A change in the exterior appearance of a window due to work for which a permit is required;(g) Installation of an awning, sign, or other advertising device;(h) Construction or replacement of a retaining wall, fence, deck, patio, garden storage shed, swimming pool, or other site feature;(i) Installation of air conditioning, mechanical, plumbing, or other equipment;(j) Erection of a flagpole, antenna, satellite dish, or telecommunication tower;(k) Sandblasting and similar types of abrasive cleaning; and(l) Paint stripping where a permit is required.304.2Pursuant to § 107 of the D.C. Construction Code, a permit is required for various minor repairs to historic landmarks or properties within historic districts, even though a permit is not required for the same work on non-historic properties. Under this provision, the Mayor's Agent shall review permits for the following categories of work:
(b) Replacement of windows and doors;(c) Replacement of roofing and coping;(d) Replacement of siding; and(e) Replacement of retaining walls regardless of height.304.3Alteration to a designated interior historic landmark shall not include changes in furnishings.
D.C. Mun. Regs. tit. 10, r. 10-C304
Notice of Final Rulemaking published at 51 DCR 7447 (July 30, 2004)