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(a) When a permanent sidewalk is obstructed by a construction canopy, fence or barricade, temporary sidewalks shall be provided. All vertical wooden surfaces of a construction canopy, fence or barricade, and all wooden guards and railing shall be painted.
(b) Walkways and temporary sidewalks shall be not less than four feet wide, inside measurement, except that in congested districts the building commissioner may require additional width.
(c) All walkways and temporary sidewalks shall be designed to support a live load of not less than 250 pounds per square foot.
(d) All temporary sidewalks shall be provided with railings and guards of dressed lumber. If such railings and guards are nearer the street curb than four feet, there shall be a guard of dressed lumber on the street side.
(e) When necessary to permit the delivery of materials to basements of buildings in process of erection, temporary sidewalks may be built at a height not exceeding four feet above curb level of the street. Such temporary sidewalks shall have railings on both sides and shall be approached by ramps having a grade of not more than one in eight.
(f) Every covered walkway shall be kept well- lighted continuously between sunset and sunrise and shall be maintained clear of debris, holes and trip hazards and shall be properly drained to prevent accumulation of water. Obstruction lights and diagonal red stripping shall be provided as required by the department of transportation on all portions of the sidewalk shed extending beyond the curb line.
(g) If a temporary sidewalk or walkway is placed at a level above or below an abutting public sidewalk, the two shall be connected by a ramp to blend them to a common level. The ramp shall have a nonslip surface and a slope not to exceed one inch rise per 12 inches in length.
(h) No temporary structures, field offices, construction equipment, materials, signs, displays, ornamentation or similar loads shall be erected or placed upon a construction canopy until plans identifying these loads are submitted to the department of buildings for review and a building permit is issued, authorizing the construction or loading on top of the canopy.
(Prior code § 76-7.5; Amend Coun. J. 9-13-89, p. 4604; Amend Coun. J. 6-27-90, p. 17603; Amend Coun. J. 12-11-91, p. 10832; Amend Coun. J. 3-5-03, p. 104990, § 28; Amend Coun. J. 12-4-02, p. 99026, § 7.3; Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1)