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NOTES AND SPECIFICATIONS <br /> A. GENERAL <br /> A.1. This Plan has been prepared on behalf of Summit County Open Space and B.2. Plant material to be salvaged shall be clearly identified by <br /> Trails. ERC/Tezak prior to clearing and grubbing. Such plant material D. MATERIAL SPECIFICATIONS <br /> A.2. This Plan has been prepared as a design-build project by Ecological Resource identified for salvage shall be removed and stored prior to clearing D.1 Low Permeability Layer shall consist of a mixture of soil <br /> and grubbing. An excavator shall be used to collect plant material sizes. The maximum stone shall be 4" and there shall <br /> Consultants, Inc and Tezak Heavy Equipment (ERC/Tezak). Only key design particle <br /> in a manner which preserves the rootball. be at least 25%fines content (percent <br /> elements and specifications are provided. These plans do not contain passing the US Number <br /> sufficient detail for construction from an unsupervised or independent200 sieve). The material shall be uniformly graded with <br /> B.3. Salvaged plant material shall be temporarily stored on site. variousparticle sizes incorporated group. All design layout, control datum and proposed into the mixture. The low <br /> elevations will require verification by ERC/Tezak. permeability material mixture will most likely consist of a <br /> B.4. All surface objects, trees, stumps, roots, and other protruding processed material using on-site soils and gravels as the <br /> A.3. Every effort shall be made during construction activity to minimize obstructions not designated to remain shall be cleared and source of raw materials. The Low Permeability soils will <br /> disturbance to the fishery and environment. This project requires grubbed as required. Smaller branches and trees shall be stripped, either be screened or generated by crushing on-site dredge a <br /> authorization from the US Army Corps of Engineers. The Plan and stockpiled and disposed of as required. Larger diameter logs and materials. 7. <br /> construction activities are subject to the special conditions of the Permit. rootwads can be incorporated as non-structure habitat features <br /> Project and construction activities shall comply with all other required within the stream, riparian fringe as determined by ERC/Tezak. D.2 Low Permeability material shall be placed in a single 1 foot <br /> permits. Per standard Colorado Division of Parks and Wildlife (CPW) best Any such habitat features shall be appropriately located and compacted lift. The materials shall be compacted as directed <br /> management practices, all heavy equipment working in the stream or by the field engineer. N <br /> adequately secured/anchored as directed by ERC/Tezak. <br /> around water shall be cleaned prior to site mobilization to prevent the ° <br /> spread of exotic or destructive aquatic nuisances and terrestrial weed C. SEDIMENT CONTROL D. Before placement of the Low Permeability layer, samples of <br /> species. All mud and debris shall be removed from equipment and parts prospective materials shall be collected and subjected to grain t <br /> (tracks, turrets, buckets,teeth, etc.) by hand scraping and power washing. C.1 Appropriate measures to prevent and minimize degradation to sizing analysis and Atterberg Limits testing. Testing of o <br /> All heavy equipment parts must be thoroughly sprayed and remained moist on-site and off-site waterways shall be implemented during proposed material shall be completed as necessary to confirm <br /> for at least 10 minutes with 1:15 solution of SPARQUAT industrial cleaner or construction activities. Specifically the following measures shall be the material conforms to the specifications prior to placing in N <br /> water that is greater than 140 degrees F. All heavy equipment shall be implemented to minimize to the maximum extent feasible the channel. o <br /> inspected and approved by ERC prior to water entry. suspended sediments and turbidity: D.4 Once construction of the Low Permeability commences, <br /> A.4. All construction equipment working in or near the water shall be safe, clean • placement of the material shall be visually monitored to ? <br /> A downstream sediment dam constructed from clean cobble,rock or c <br /> and in exceptional operational condition. All equipment shall be inspected riprap shall be installed across the Swan River below all construction ensure adequate compaction is being achieved and to visually o <br /> daily for any potential spills/leaks or mechanical problems prior to working activities. The sediment dam shall be inspected and maintained as observe for any changes in the material that may be outside u <br /> of the required particle size limits as specified previously. a <br /> in the water . All equipment shall be cleaned of any excess greases/oils and required. o <br /> dirt daily prior to water entry. High pressure washing of construction <br /> equipment may be necessary daily and must be performed onsite in a • Emergency leak/spill containment and cleanup supplies must be stored cc <br /> c <br /> pre-approved location. onsite prior to the presence of any construction equipment working in <br /> flowing water. Leak/spill containment booms or similar must be s <br /> A.S. Utility locates shall be established throughout the project area a minimum installed downstream of all construction equipment working in flowing <br /> of five days prior to construction start date and updated during the project water. The emergency leak/spill containment supplies must be o <br /> as needed. Utility Notification Center of Colorado 1-800-922-1987 or 811. adequate to contain potential leak or spill from construction <br /> equipment onsite. All site employees must have knowledge of E <br /> B. PROJECT INITIATION emergency leak/spill response measures. <br /> m <br /> 0 <br /> B.1. ERC/Tezak shall field flag, stake and rope off the limits of disturbance <br /> C.2. All measures as outlined in the Colorado stormwater discharge I- <br /> within the project area prior to commencement of construction as permit shall be implemented, routinely inspected and maintained a <br /> necessary. Markers shall be maintained until construction is completed. ° <br /> during the project as required. Final stabilization requirements for a <br /> Any activity that impacts water of the US outside of the authorized impact stormwater construction permit termination shall be transferred RECEIVED _ <br /> areas per the Permit is prohibitive. and become responsibility of the Summit County Open Space and cd <br /> Trails upon approved implementation of the site reclamation. APR 0 4 2016 <br /> ,5 <br /> a <br /> M-1993-035 DIVISION OF RECLAMATION <br /> cc <br /> REV DATE DESCRIPTION TRO2 INNING AND SAFETY x <br /> 0 <br /> IZ <br /> 2 <br /> PREPARED BY CLIENT PROJECT TITLE SHEET NO 0 <br /> ECOLOGICAL RESOURCES CONSULTANTS,INC SUMMIT COUNTY OPEN SWAN RIVER <br /> +� 35715 US HIGHWAY 40,SUITE D204 NOTES AND o 7 N <br /> EVERGREEN,co 80439 SPACE AND TRAILS RESTORATION PROJECT SPECIFICATIONS y <br /> A 02/09/16 ISSUED FOR PERMITTING 5 <br /> v <br />