2. Mangatawa catchment consents for earthworks, storm water ...

(f) The resource consent applicant shall supply:
(i) A report confirming that the culvert embankment shall be comprised of suitable soils free of
wood, humus and other organic matter; and that the embankment shall be well compacted in
uniform layers not exceeding 300 mm loose depth to achieve a compaction of at least 95 percent
of maximum dry density.
(ii) A geotechnical report affirming that the culvert embankment will be of safe batter slope, and
constructed to avoid failure.
Environment Bay of Plenty restricts its discretion to the following matters:
(a) Measures to avoid, remedy or mitigate the adverse effects of the structure on:
(i) Erosion or land instability, including erosion protection works.
(ii) The passage of fish.
(iii) Aquatic ecosystems, including indigenous biodiversity.
(iv) Property owned or occupied by another person, including flooding or ponding.
(v) Natural water flow and flood flows.
(vi) Other structures.
(vii) Navigation in navigable rivers and lakes.
(viii) Houses, assets and other activities downstream of the culvert, which are at risk of the culvert
failure.
(b) Measures to minimise the duration and extent of bed disturbance.
(c) Measures to avoid or mitigate vegetation, soil, slash construction material or other debris being
deposited in the surface water body, or placed in a position where it could readily enter or be
carried into a water body.
(d) Maintenance of the culvert.
(e) Construction standards, including ensuring the structure can not break free and cause a
blockage or erosion.
(f) Number of culverts in the cross-sectional area of the stream.
(g) Monitoring requirements.
Explanation/Intent of Rule
To provide for culverts where the fill height in the crossing structure needs to be assessed fully by
Environment Bay of Plenty.
Beca // 22 December 2008 // Page 6
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