Transportation of Hazardous Materials - No person may offer or accept a hazardous material for transportation in commerce unless
<br />that person is registered in conformance with the United States Department of Transportation regulations at 49 CFR, Part 171. The
<br />hazardous material must be properly classed, described, packaged, marked, labeled, and in condition for shipment as required or
<br />authorized by applicable requirements, or an exemption, approval or registration has been issued. Vehicles requiring a placard, must
<br />obtain authorization and a State HAZMAT Permit from the Colorado Public Utilities Commission. Contact Information: For
<br />authorization and more info call the Federal Motor Safety Carrier Administration, US DOT for inter- and intra -state HAZMAT
<br />Registration 303 969 -6748. Colorado Public Utilities Commission: 303 894 -2868.
<br />Discharae of Dredged or Fill Material 404 Permits Administered By the U.S. Army Corps of Enaineers and Section 401
<br />Water Quality Certifications Issued by the CDPHE WQCD - Corps of Engineers 404 Permits are required for the discharge of
<br />dredged or fill materials into waters of the United States, including wetlands. There are various types of 404 Permits, including
<br />Nationwide Permits, which are issued for activities with relatively minor impacts. For example, there is a Nationwide Permit for Utility
<br />Line Activities (NWP #12). However, depending upon the specific circumstances, it is possible that either a "General" or "Individual"
<br />404 permit would be required. If an Individual 404 Permit is required, Section 401 water quality certification from the CDPHE WQCD
<br />is also required. Contact the appropriate Corps District Regulatory Office for information about what type of 404 permit may be
<br />required contact information above). Contact the CDPHE Water Quality Control Division at 303 692 -3500.
<br />Working on or in any stream or its bank - In order to protect and preserve the state's fish and wildlife resources from actions that
<br />may obstruct, diminish, destroy, change, modify, or vary a natural existing stream or its banks or tributaries, it may be necessary to
<br />obtain a Senate Bill 40 certification from the Colorado Department of Natural Resources. A stream is defined as 1) represented by a
<br />solid blue line on USGS 7.5' quadrangle maps; and /or 2) intermittent streams providing live water beneficial to fish and wildlife; and /or
<br />3) segments of streams supporting 25% or more cover within 100 yards upstream or downstream of the project; and /or 4) segments of
<br />streams having wetlands present within 200 yards upstream or downstream of the project. The Colorado Division of Wildlife (CDOW)
<br />application, as per guidelines agreed upon by CDOT and CDOW, can be accessed at
<br />htt ://www.coloradodot.info/ r rams environmental /wildlife/ uidelines.
<br />Stormwater Construction Permit (SCP) and Stormwater Discharge From Industrial Facilities - Discharges of stormwater runoff
<br />from construction sites disturbing one acre or more - or certain types of industrial facilities, such as concrete batch plants - requires a
<br />CDPS Stormwater Construction Permit. Contact Information: For Utility/Special Use activities being performed in conjunction and
<br />coordination with a CDOT highway construction contract, please contact the CDOT Water Quality Program Manager at (303) 757-
<br />9343. Otherwise, contact the CDPHE Water Quality Control Division at (303) 692 -3500. Website:
<br />hftD://WWW.cdDhe.state.co.us/wa/PermitsUnit/index.htm].
<br />Construction Dewatering (Discharge or Infiltration) — Discharges of water encountered during excavation or work in wet areas
<br />may require a Construction Dewatering Discharge Permit. Contact Information: For Construction Dewatering Discharge Permits,
<br />contact the CDPHE WQCD at (303) 692 -3500. For Dewatering Application and Instructions, see Section 3 at the CDPHE website:
<br />htt : / /www.cd he.state.co.us /w /PermitsUnit/FORMSandA lications /A sandformsne a e.html
<br />Municipal Separate Stone Sewer System (MS4) Discharge Permit — Discharges from the storm sewer systems of larger
<br />municipalities, and from the CDOT highway drainage system that lies within those municipalities, are subject to MS4 Permits issued
<br />by the CDPHE WQCD. For facilities that lie within the boundaries of a municipality that is subject to an MS4 permit, the owner of such
<br />facility should contact the municipality regarding stormwater related clearances that may have been established under that
<br />municipality's MS4 permit. All discharges to the CDOT highway drainage system or within the Right of Way (ROW) must comply with
<br />the applicable provisions of the Colorado Water Quality Control Act and the Colorado Discharge Permit Regulations Permit # COS -
<br />000005 (hfD: / /www coloradodot info /programs /environmental /water - ouality/ documents /CDOT %20MS4 %20Permit.doctview) and
<br />COR- 030000 (htto: / /www cdphe state co us/ wo/ PermitsUnit/ PERMITs/ SWpermitsrats /SWConstructionPErmit.r)dD. Discharges are
<br />subject to inspection by CDOT and CDHPE. Contact the CDPHE Water Quality Control Division at (303) 692 -3500 for a listing of
<br />municipalities required to obtain MS4 Permits, or go to htt : / /www.ed he.state.co.us/ / ermitsunit/MS4 /MS4Permittees. df.
<br />General Prohibition — Discharges - All discharges are subject to the provisions of the Colorado Water Quality Control Act and the
<br />Colorado Discharge Permit Regulations. Prohibited discharges include, but are not limited to, substances such as wash water, paint,
<br />automotive fluids, solvents, oils or soaps and sediment. Allowable non- stormwater discharges can be found at
<br />http: / /www.coloradodot. info /programs/ environmental / water - quality / glossary.html #AllowableDischarge. Contact Information: Contact
<br />the CDOT Water Quality Program Manager at (303) 757 -9343, or the Colorado Department of Public Health and Environment, Water
<br />Quality Control Division at 303 692 -3500.
<br />General Authorization - Allowable Non - Stormwater Discharges - Unless otherwise identified by CDOT or the WQCD as significant
<br />sources of pollutants to the waters of the State, the following discharges to stormwater systems are allowed without a Colorado
<br />Discharge Permit System permit: landscape irrigation, diverted stream flows, uncontaminated ground water infiltration to separate
<br />storm sewers, discharges from potable water sources, foundation drains, air conditioning condensation, irrigation water,
<br />uncontaminated springs, footing drains; water line flushing, flows from riparian habitats and wetlands, and flow from fire fighting
<br />activities. Contact Information: The CDOT Water Quality Program Manager or the CDPHE Water Quality Control Division
<br />(telephone #'s listed above).
<br />Erosion and Sediment Control Practices - For activities requiring a Stormwater Construction Permit, erosion control requirements
<br />will be specified through that permit. In those situations where a stormwater permit is not required, all reasonable measures should be
<br />taken in order to minimize erosion and sedimentation according to CDOT 208 specifications. In either case, the CDOT Erosion
<br />Control and Stormwater Quality Guide (most recent version) should be used to design erosion controls and to restore disturbed
<br />vegetation. Contact Information: The CDOT Erosion Control and Stormwater Quality Guide may be obtained from the Bid Plans
<br />Office at (303) 757 -9313 or from: htto: / /www dot state co us/ environmental /envWaterQual /wgms4.asl2 Error! Hyperlink
<br />reference not valid.
<br />Disposal of Drillina Fluids - Drilling fluids used in operations such as Horizontal Directional Drilling may be classified as "discharges"
<br />or "solid wastes ", and in general, should be pumped or vacuumed from the construction area, removed from the State Highway Right
<br />of Way, and disposed of at permitted facilities that specifically accept such wastes. Disposal of drilling fluids into storm drains, storm
<br />Environmental Clearances Information Summary Page 2 of 3 Colorado Department of Transportation December `10
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