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by DCA, formally established an acceptable residential allocation ratio for the county. For the time period beginning with the adoption of the comprehensive plan in 1990 through the end of 1992, the county had issued building permits for over 1939 dwelling units. The effect of this construction activity has been to lower the county's residential allocation ratio. While the number of units allowed by the comprehensive plan based upon established densities remains essentially unchanged, the number of existing units has increased by over 1939. Because the projected number of units needed can be revised to reflect a new 20 year period (now 1993-2013), the denominator of the allocation formula has increased somewhat. Consequently, the ratio -is now lower than that reflected by, the Indian River County/DCA agreement. Staff's position is that densities allowed by the comprehensive plan can now be increased to the extent that the additional units which can be accommodated by the density increase do not exceed the number of units that have been permitted since plan adoption. In this way, the residential allocation ratio will not increase above the approved level. With respect to the proposed amendment, staff has determined that the increase in potential units associated with the proposed density increase would be 239. That is based on the following information: 1. Total Acres: 159 2. Net Acres: 119.25 (Total Acres X 0.75) 3. Maximum Units in Low Density -1 Designation (3 units/acre): 358 4. Maximum Units in Rural Designation (1 unit/acre): 119 5. Net Increase in Units (358 - 119): 239 Using a conservative estimate, 39.75 acres, or 25% of the subject property's 159 acres, would be used for infrastructure such as roads and stormwater retention. Removing land used for infrastructure leaves up to 119.25 acres for residences. At the proposed density of up to 3 units/acre, 358 units could be built on the subject property. This is an increase of 239 units over the 119 units that could be built under the existing designation of up to 1 unit/acre. As indicated, the proposed amendment's increase of 239 units is less than the 1939 units for which building permits were issued in the years 1990-1992. For that reason, staff's position is that the proposed amendment will not increase the county's residential allocation ratio. Consistency with Comprehensive Plan Land use amendment requests are reviewed for consistency with all policies of the comprehensive plan. As per section 800.07(1) of the land development regulations, the "comprehensive plan may only be amended in such a way as to preserve the internal consistency of the plan pursuant to Section 163.3177(2)F.S." Amendments must also show consistency with the overall designation of land uses as depicted on the Future Land Use -Map, which includes agricultural, 37 qqw��Ii 1'�, BOOK 91 PAGEt1.39