.010 General. In addition to the seismic analysis required elsewhere in this chapter, the licensed engineer or architect responsible for the seismic analysis of the building shall determine and record the information required by this section on the approved plans.
.020 Construction Details. The following requirements with appropriate construction details shall be made part of the approved plans:
(a) All unreinforced masonry walls shall be anchored at the roof level by tension bolts through the wall as specified in Table 15.07-I, or by approved equivalent at a maximum anchor spacing of six feet.
All unreinforced masonry walls shall be anchored at all floors with tension bolts through the wall or by existing rod anchors at the maximum anchor spacing of six feet. All existing rod anchors shall be secured to the joists to develop the required forces. The Building Official may require testing to verify the adequacy of the embedded ends of existing rod anchors. Tests when required shall conform to subsection 15.07.080.080.
When access to the exterior face of the masonry wall is prevented by proximity of an existing building, wall anchors conforming to Items 5 and 6 in Table 15.07-I may be used.
Alternative devices to be used in lieu of tension bolts for masonry wall anchorage shall be tested as specified in subsection 15.07.080.090.
(b) Diaphragm chord stresses of horizontal diaphragms shall be developed in existing materials or by addition of new materials.
(c) Where trusses and beams other than rafters or joists are supported on masonry, ledgers or columns shall be installed to support vertical loads of the roof or floor members.
(d) Parapets and exterior wall appendages not capable of resisting the forces specified in this chapter shall be removed, stabilized or braced to insure that the parapets and appendages remain in their original position.
(e) All deteriorated mortar joints in unreinforced masonry walls shall be pointed with Type S or N mortar (masonry cements shall not be used). Prior to any pointing, the wall surface must be raked and cleaned to remove loose and deteriorated mortar. All preparation and pointing shall be done under the continuous inspection of a special inspector certified to inspect masonry and concrete. At the conclusion of the project, the inspector shall submit a written report to the Building Official setting forth the portion of work inspected.
(f) Repair details shall be prepared for any cracked or damaged unreinforced masonry wall required to resist forces specified in this chapter.
.030 Existing Construction. The following existing construction information shall be made part of the approved plans:
(a) The type and dimensions of existing walls and the size and spacing of floor and roof members.
(b) The extent and type of existing wall anchorage to floors and roof.
(c) The extent and type of parapet corrections, if any, which were performed in accordance with the UBC.
(d) Accurately dimensioned floor plans and masonry wall elevations showing dimensioned openings, piers, wall thickness and heights.
(e) The location of cracks or damaged portions of unreinforced masonry walls requiring repairs.
(f) The type of interior wall surfaces and whether reinstalling or anchoring of ceiling plaster is necessary.
(g) The general condition of the mortar joints and whether the joints need pointing. (Ord. 5076 § 1 (part); November 14, 1989.)