Exhibit 13 shall contain:
Substandard culverts are those with a significant barrier to aquatic organism passage and/or those that cannot pass a four (4) percent design flow event.
Table 1: Waterbody Mitigation Requirements
Impact Type | Protected Stream (15-0501) | Navigable Water (15-0505) | |
Activities Requiring Grading or Filling | Reconstructed road/stream crossing using a single culvert or bridge designed in accordance with section 1100-6.4(r)(6) of this Part. | A | A |
New road/stream crossing with a bridge designed to meet the flow and width requirements in section 1100-6.4(r)(6) of this Part. | A | A | |
New road/stream crossing with a single culvert designed in accordance with section 1100-6.4(r)(6) of this Part. | A(M1) | A(M1) | |
Below ground stream crossing for transmission/collection lines installed using trenchless methods (e.g., horizontal directional drilling) or installed as part of the construction of a new or replacement road/stream crossing. | A | A | |
Below ground stream crossings for transmission/collection lines installed using a dry trench where trenchless methods are not practicable. | A(M2) | A(M2) | |
Activities Not Requiring Grading or Filling | Above-ground stream crossing for transmission/collection lines. | A | A |
N.Y. Comp. Codes R. & Regs. Tit. 16 §§ 1100-2.14