House Journal: Page 1461: Friday, April 12, 2002
4 department shall account for special design
5 characteristics of animal confinement feeding
6 operations, including all of the following:
7 Sec. 49. Section 455B.205, Code 2001, is amended
8 by adding the following new subsection:
9 NEW SUBSECTION. 2A. A person shall not construct
10 an unformed manure storage structure on karst terrain
11 or on an area that drains into a known sinkhole.
12 Sec. 50. NEW SECTION. 455B.205A CONSTRUCTION
13 DESIGN STANDARDS - FORMED MANURE STORAGE STRUCTURES.
14 The department shall adopt rules establishing
15 construction design standards for formed manure
16 storage structures that are part of confinement
17 feeding operations other than small animal feeding
18 operations.
19 1. The department may provide for different
20 standards based on criteria developed by the
21 department, which may include any of the following:
22 a. The animal unit capacity of the manure storage
23 structure's confinement feeding operation or the
24 manure storage structure's manure volume capacity.
25 b. Whether the manure storage structure stores
26 manure in an exclusively dry form.
27 c. Whether the manure storage structure is part of
28 a confinement feeding operation building.
29 d. The use of concrete, including its use for the
30 structure's footings, walls, or floor.
31 2. The construction design standards shall be
32 based, to every extent possible, on uniform standards
33 such as available standards promulgated by the
34 American society for testing and materials. The
35 department may require that all or any part of a
36 formed manure storage structure be constructed of
37 concrete.
38 3. The construction design standards for concrete
39 shall provide for all of the following:
40 a. The concrete's minimum compressive strength
41 calculated on a pounds-per-square-inch basis.
42 b. The use of reinforcement, including but not
43 limited to the grade, amount, and location of steel
44 rebar or fiberglass, wire mesh or fabric, or similar
45 materials set in the concrete, or the use of exterior
46 braces to support joints.
47 c. The depth of footings.
48 d. The thickness of the footings, the floor and
49 walls.
50 4. A person shall only construct a formed manure
Page 41
1 storage structure on karst terrain or an area which
2 drains into a known sinkhole pursuant to upgraded
© 2002 Cornell College and
League of Women Voters of Iowa
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