underline-strikeout version of the final draft ordinance - Pima County ...

For May 4, 2010 BOS HearingTHIS THE CLERK OF THE BOARD FORMAT!!!manufactured homes and additions to manufactured homes located within a regulatory floodplainor SFHA shall be anchored to resist flotation, collapse, or lateral movement by one of thefollowing methods:A. Floatation: Elevate bottom of structural frame, and lowest point of all service equipment,above RFE and therefore remove all hydrostatic and hydrodynamic loads from the MH.B. Collapse: Proportion the foundation footer area to resist vertical dead and live loads of MHbased on allowable soil bearing pressure, as required by Office of Manufactured Housing underA. R. S. Title 41, Chapter 16, Article 2; extend foundation footers to maximum anticipated scourdepth below grade; design all foundation elements to resist lateral hydrostatic and hydrodynamicloads on the foundation.C. Lateral movement: Design soil anchors or individual foundation members to transfer lateralwind loads on MH to the soil, as required by Office of Manufactured Housing under A. R. S.Title 41, Chapter 16, Article 2. Lateral wind loads are to be assumed to come from anydirection.A. By providing an anchoring system designed to withstand horizontal forces of 25 pounds persquare foot and uplift forces of 15 pounds per square foot; orB. By providing over-the-top and frame ties to ground anchors. Specifically:1. Over-the-top ties shall be provided at each of the four corners of the manufactured home with2 additional ties per side at intermediate locations, except that manufactured homes less than 50feet long require only one additional tie per side; and2. Frame ties be provided at each corner of the home with 5 additional ties per side atintermediate points, except that manufactured homes less than 50 feet long require only fouradditional ties per side, and3. All components of the anchoring system be capable of carrying a force of 4,800 pounds. (Ord.2010 FC-1; Ord. 2005 FC-2 § 2 (part), 2005; Ord. 1999 FC-1 § 1 (part), 1999; Ord. 1988 FC-2Art. 10 (B), 1988)16.34.030Location and placement conditions.A. For manufactured homes located in a regulatory floodplain or erosion hazard area on orbefore August 3, 1984, replacement of the manufactured home will be allowed if:1. The manufactured home to be replaced was not damaged by a flood to more than 50% of itsvalue before the flood, and2. The replacement manufactured home is elevated so that the bottom of the structural frame andthe lowest point of any attached appliances or service facilities are at or above the regulatoryflood elevation.Where any of the following:AB. For new Mmanufactured homes, not placed in manufactured home parks or subdivisions;B. Nnew manufactured home parks or subdivisions,;C. Eexpansions to existing manufactured home parks or subdivisions,; andD. Rrepairs, reconstruction, or improvements to existing manufactured homes, parks orsubdivisions that equal or exceed 50 percent of the value of the streets, utilities, and pads beforethe repairs, reconstruction or improvements commenced; are located within a regulatoryfloodplain or erosion hazard area, the following standards shall apply:55