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{-{B-)](2) Filter material, clean stone, gravel, slag, or similar filter <br />material acceptable to the authority having jurisdiction, varying <br />in size from three - quarter (3/4) inch (20 mm) to two and one - <br />half (2 -1/2) inch (65 mm) shall be placed in the trench to the <br />depth and grade required by this section. The perforated section <br />shall be laid on the filter material in an approved manner. The <br />perforated section shall then be covered with filter material to <br />the minimum depth required by this section. The filter material <br />shall then be covered with untreated building paper, straw, or <br />similar porous material to prevent closure of voids with earth <br />backfill. No earth backfill shall be placed over the filter material <br />cover until after inspection and acceptance. <br />[(C)- Ii'rigation/disposal fields shall <br />slopes, irrigation/disposal lines shal <br />(21) Deleting Chart for Section 1611.0 (C). The corresponding chart for <br />Section 1611.0 (C) is deleted. <br />(22) Amending Section 1612.0 (A). Section 1612.0 (A) is amended to read: <br />"(A) Other collection and distribution systems such as laundry only gray <br />water systems may be approved by the local authority having <br />jurisdiction[, <br />(23) Amending Table 16 -1. Table 16 -1, Location of Gray Water Systems, is <br />amended as follows: <br />A) Deleted "100% expansion area" as relating to "Disposal Field." <br />13) Changed the values for the following Irrigation/Disposal Field: <br />- Building Structures <br />Water Supply Wells <br />- Disposal Field <br />As amended, Table 16 -1 shall read: <br />1'a_lc80117 <br />rr to 200 (l'( cry proric /rc/ irl 1/11/ 2(9 <br />