13-124-040 Protection of floor openings.

   (a)   Covering of Openings. All stairways, elevator openings, flues and all other openings in the floors shall be covered or properly protected.

   (b)   Openings for Hoists. All openings through which hoists operate shall be properly enclosed on all sides.

(Prior code § 76-4)

13-124-050 Temporary flooring.

   In buildings where construction of the super- structure precedes the construction of the permanent floor panels, a substantial temporary floor shall be constructed and maintained at a level not more than two floors below the level at which erection work is being performed.

(Prior code § 76-5)

13-124-060 Demolition – Regulations.

   The demolition of any building or structure shall be governed by the provisions of Sections 13-124-070 to 13-124-110, inclusive.

(Prior code § 76-6)

13-124-070 Demolition – Notification of commissioner.

   (a)   Notice stating the date on which work is to begin shall be given to the building commissioner of at least 24 hours before beginning the wrecking, demolishing or razing of any building or other structure.

   (b)   If the building or structure to be wrecked, demolished or razed is marked by a first responder warning placard within the meaning of Section 13-12-148, the building owner or the building owner's agent shall notify the fire commissioner in writing of such fact at least 24 hours before beginning the wrecking, demolishing or razing of such building or other structure.

(Prior code § 76-6.1; Amend Coun. J. 9-13-89, p. 4604; Amend Coun. J. 3-5-03, p. 104990, § 28; Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1; Amend Coun. J. 6-27-12, p. 30534, § 4)

13-124-080 Demolition – Procedure.

   Work for the wrecking, demolishing or razing of the structural elements of any building or structure shall begin at the top thereof, and each story shall be completely razed or demolished and the material therefrom completely removed before beginning work on the next lower story, unless the applicant for the required permit receives permission from the building commissioner to do otherwise. An applicant for such permission, which shall be required for any demolition involving the use of explosives, shall describe the techniques and processes to be used, and the experience and expertise of the contractors and subcontractors who will perform the work. The building commissioner shall review the application and the nature of nearby buildings, structures and improvements. If the building commissioner determines that the contractors and subcontractors have sufficient experience and expertise in application of the requested techniques and processes to allow the work to be done safely and efficiently, the building commissioner shall grant the permission. The building commissioner may issue regulations defining the minimum levels of expertise to allow demolition work to be done other than from the top story.

(Prior code § 76-6.2; Amend Coun. J. 3-23-94, p. 47131; Amend Coun. J. 3-5-03, p. 104990, § 28; Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1)

13-124-081 Posting of sign required.

   Every person who demolishes a building or structure shall post a sign at the demolition site, indicating the name, address and telephone number of the person performing the demolition, as well as the address of the property. The sign shall be no less than 24 inches by 36 inches, in contrasting colors, and shall be posted at least ten days prior to commencement of demolition (or 24 hours prior to commencement of an emergency demolition when necessary to protect against an imminent threat to the safety of the public), at a height not to exceed six feet above grade, in a location visible from the nearest public way not closed to accommodate the work. The sign shall be maintained in the required location until completion of demolition and leveling of the site, as required by Section 13-124-100, or the commencement of construction of a replacement building or structure, whichever is sooner.

(Added Coun. J. 7-25-01, p. 64897, § 1; Amend Coun. J. 5-11-05, p. 47841, § 1)

13-124-090 Wrecking operations – Time limitations.

   All wrecking operations shall be completed within the time set by the building commissioner.

(Prior code § 76-6.3; Amend Coun. J. 9-13-89, p. 4604; Amend Coun. J. 3-5-03, p. 104990, § 28; Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1)

13-124-100 Filling and grading of openings.

   On completion of demolition, the site shall be filled where necessary with clean soil, cinders or other inorganic material and graded to a level not lower than nor more than 12 inches above the level of sidewalks, alleys or adjoining property with proper allowance for settlement.

(Prior code § 76-6.4)