2019-11-14_PERMIT FILE - M2019025 ‎(20)‎

• Permit No: M2019025
• IBM Index Class Name: Permit File
• Doc Date: 11/14/2019
• Doc Name: Adequacy Review Response
• From: Weiland, Inc.
• To: DRMS
• Email Name: ECS
• Media Type: D
• Archive: No

APPENDIX 6.4.7-A2
Introduction
Project Description
Coulson Excavating is going to open a new gravel pit operation at the site at the northeast
corner of Weld County Roads 13 and 54, hereafter referred to as the Amen Pit. This document
details the necessary hydraulic modeling documentation needed to support a floodplain permit
for the proposed gravel pit operations. A flood plain work map is included in Appendix A. All
proposed work will comply with Weld County code Chapter 23 Article XI, a stamped certification
stating this is attached in Appendix E.
Project Location:
The project site is located in the floodplain of the Big Thompson River on the northeast corner of
Weld County Roads 13 and 54. A site map is shown below in Figure 1. The site location has
the following geographic coordinates:
Latitude/ Longitude: 40°22'54.61"N / 104°56'9.79"W
MAP LEGEND
• — Project Location
— Proposed Limits of Mining
CR-13 N
PREPARED BY:
CR-53 AVMS
ASSOCIATES
Figure 1: Site location map
Proposed Work
The proposed Amen Pit project is comprised of 7 actual pits that are all located in the overbanks
of the Big Thompson River. The proposed limits of the mining operation can be seen in Figure