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I I 1 I L1
<br />NOTES:
<br />THE BOUNDARIES SHOWN HEREON ARE APPROXIMATE.
<br />THE TOPOGRAPHY SHOWN HEREON REFLECTS 1998
<br />CONDITIONS PRIOR TO MINING RILING INITIATED.
<br />I
<br />N. V. CDR. N. V. 1/4
<br />SEC. 16, T. CS., R. 67V
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<br />M -
<br />1999
<br />- 034,
<br />AM -1
<br />EXCEPT FOR FENCING, NEi
<br />'
<br />NO
<br />MINING W I TH I N 200'
<br />STRUCTURES ON PRIVATE
<br />OF
<br />C. D. O. T. R. Q. W,
<br />PROPERTY ON NORTH SIDE
<br />OF E. 104TH AVE.
<br />•
<br />N. E. CDR. N. V. 1/4
<br />•
<br />WITHIN 200' OF PARCEL .
<br />A BOUNDARY
<br />/ /
<br />SEC. 16, T. 2S., R.67W.
<br />��
<br />STATE HIGHWAY NO, 44 (EAST 104•TH
<br />A E E)
<br />>
<br />�-
<br />.• LOCATION 30'
<br />• ACCESS EASEMENTS
<br />•/ \NO MINING WITHIN 24
<br />w.. • °0i OF THE XCEL TOWERS
<br />APPROXIMATE ' NO MINING WITHIN 35'OF ONSITE POWER POLE
<br />LIMITS OF THE WITHOUT APPROVAL BY OMG OF AGREEMENT WIT
<br />100 YEAR / UNITED POWER
<br />FLOODEAY
<br />x
<br />EXISTING
<br />DITCH
<br />CROSSING
<br />EX.STING Ili
<br />PHASE 18
<br />i
<br />� r MINING i
<br />a • ��c 1+ V
<br />/ yJ
<br />REVISIONS: CAD: AD03013 /AD o13A
<br />AD02196.DWG) 01/20/03 REV. P R
<br />ADCO - 01/31/03 REV PER AD
<br />- 01/10/03 REV PER ADCO - n
<br />05/09/03 REV PER ADCO -
<br />NO MINING WITHIN 65'
<br />OF THE TOP EAST BANK
<br />OF DITCH WITHOUT
<br />APPROVAL BY DMG OF
<br />• AGREEMENT WITH FULTON
<br />IRRIGATION DITCH CO.
<br />NO MINING WITHIN 35'
<br />HAEKETT
<br />PROPERTY
<br />PLANT SITE
<br />NO MINING
<br />X""
<br />x.. x w�
<br />)••.4
<br />35'
<br />x
<br />I�
<br />-iii.�nrrrrn � � �`rLJ � /urr rr rrdr v xw•,..
<br />05 /13/03 REV PER ADCO - APPROxIMA%TE LIMITS OF V NOTE: SEE EXHIBIT F — R CL MATION
<br />06/13/03 MISC REVISIONS PER ADCO - SPECIAL FLOOD HAZARD PLAN MAP FOR TYPICAL EXCAVATION
<br />AREAS INUNDATED BY
<br />100 YEAR FLOOD & FINAL SLOPE CROSS — SECTIONS
<br />AKA AS FILOODPLAIN
<br />K..
<br />xm.�
<br />x.enn
<br />x'm61
<br />T`"
<br />Permit
<br />Class:
<br />From
<br />Doc. Name:
<br />Doc. Date (ii no date stamp): O"
<br />NO MINING WITHIN 200' OF SOUTH
<br />ADAMS WATER & SANITATION DIS-
<br />TRICT SEWER LINE WITHOUT DMG
<br />- APPROVAL OF AGREEMENT WITH
<br />THE DISTRICT.
<br />xm�
<br />x
<br />x NO MINING WITHIN 200'
<br />OF FENCE ON ADJACENT
<br />— PROPERTY WITHOUT
<br />DMG APPROVAL OF
<br />AGREEMENT WITH SAID
<br />X PROPERTY OWNER
<br />DAIM,
<br />GIBSON
<br />PRO
<br />PROPERTY
<br />—•
<br />N
<br />10
<br />NCI S
<br />SCANNED 0 150' 300 600'
<br />SCALE: I"=300'
<br />® — Area of Existing Wetlands
<br />Boundary of Amendment No. 1
<br />Affected Land Area
<br />Mining Limits
<br />• — Approximate Limits of Zone A & AE
<br />(100 Year Floodplain) See Pre — Mining
<br />Plan for Details
<br />u I l I. MINING NOTES AND RESTRICTIONS
<br />4 .
<br />S 1. Installation of the conveyor and pipe crossing over the Fulton Ditch shall require
<br />H DMG approval of a written agreement with the Fulton Irrigating Ditch Company. Prior to
<br />mining being undertaken In any area, excavation setbacks wilt be staked In the field to
<br />X.. ensure relevant setbacks are followed.
<br />¢ 2. The existing wetlands area as shown on this map shall not be disturbed until a
<br />wetlands Inventory Is accepted by the Corp of Engineers and a 404 permit Is Issued
<br />allowing removal of any ,Jurisdictional wetlands requiring the appropriate 404 permit. Any
<br />tall grass areas adjacent to wetland areas that are disturbed during mining shall be
<br />revegetated with Tall wheatgrass (Jose Variety) at a rate of 11.0 lbs. /acre.
<br />/ xana
<br />� x 3. Site mining above the lake elevation level will use dry mining techniques using
<br />backhoes, bulldozers, and slml tar equipment. Below the water level, .drag lines, backhoes,
<br />and /or dredges shalt be employed for mining.
<br />xm"' 4. Topsoil and overburden stockpItes that are temporary ly stored on site In the S,
<br />O Platte River floodplain area shall be in an alignment parallel to the overflow direction
<br /># of the S. Platte River, have a maximum height of 20', a maximum base width of 100', a
<br />N1 E ENT maximum length of 300', maximum IH11V slopes, and have a minimum of spacing of 100'
<br />,pp _OK 224ftp between different stockpl Les. A Floodplaln Use Permit from Adams County shall be obtained
<br />AMS OW for all operations wlthln the 100 year floodplain. Topsoil and overburden stockpiles
<br />NO II NINiTH 200' proposed for final reclamation activities shall be placed out of the 100 year floodplain
<br />/ OF JACENT PR ERTY In the northeast and southeast corners of the site. The grass seed mixture below shall
<br />OUT DE WETLAND ARE be used for seeding of Ott topsoil and /or overburden stockpiles that are expected to be
<br />WITH UT Q*y�16,APP VA present for more than one year.
<br />+� OF ST BILFTY
<br />ANALYS S FOR A SPECIES VARIETY PLSA 'L PLSN /AC
<br />LESSER ETBACK OI•,•> Crested Wheatgrass 'Ephraim' 5 100 5
<br />x
<br />AJ , �.' S. Existing fencing. shall be maintained and new fencing Installed to preclude easy
<br />/�' access to the site. All new FenCI ng will be In accordance with County regulations,
<br />TRUST
<br />PRxg"VTY Including obtaining fence permits, where required. Temporary Fencing around the existing
<br />wetland area shall be InstalLed and maintained. Operations on site shall also Include
<br />the Installation of a conveyor and wash pipe crossing of the Fulton Ditch, and the
<br />0h / 36 Installation of temporary conveyors and Internal roadways as needed.
<br />5 �
<br />J 6 Excavated material shall, be transported off -site to the existing Plant Site by
<br />x""' conveyor, except by approval of Adams County for borrow material which may be transported
<br />off -site by truck via the site's existing entrance onto Brighton Road.
<br />T Mining will involve the striping and storage of topsoil and overburden, temporary
<br />excavation to a vertical condition (.541V), that will Immediately be temporarily
<br />E.1 /4 COR. SEC. 16, b¢ckfllled to at least 1H,IV, slopes If expected to remain for less than 1 year.
<br />T. 2S., R. 67W. Stockpiles expected to remain longer than 1 year shall be sloped to at least 3H11V and
<br />.4 temporarily revegetated. Areas below the water Level wilt be backfllted with sand spoils,
<br />excess overburden, and silt from process water from the processing plant that Is located
<br />' on another portion of the permit area. All Final slopes shall be a maximum steepness of
<br />3HI IV, and then a min l mum of 6' of topsoil shall be placed on a L reconstructed areas
<br />above the existing take water level.
<br />'t'1L 12. No de- watering or extraction activities will 8. Per the Noxious Weed Control Plan In EXHIBIT D - MINING PLAN,
<br />occur until Aggregate Industries develops a plan to noxious weeds will be controlled, particularly Diffuse Knopweed, Scotch Thistle, and Canada Thistle, which have
<br />monitor the gravel pit pond water for been observed within the permit area and on adjacent property. Ali areas adjacent to
<br />dJlsopropymethylphosphorlate (DlMP) and obtains roadways and waterways w 11 be assessed every spr l ng to determine the best management
<br />approval of that plan from the Division of Minerals practice for weed control. At a minimum, all noxious weed areas wilt be mowed as needed.
<br />and Geology. The plan will include monthly sampling In heave I Invested areas, approved herb I Ides w I I I be applied as needed to Include, but
<br />and analysis to begin immedlotely after de- watering not Iym Ited to, Tordon 22K applied at I pt /ac at 20 gpa or 2,4 -D 4k an I ne at 1 qt /ac of
<br />and /or extraction activities are started. The monthly 20 gpa. Consultation with qualified vegetation managers and /or county weed control
<br />�x mon I for ing wl I continue for one year and then 'wilt coord Inators w I I I be on -going to ass Ist In the management of noxious weeds.
<br />change to quarterly monitoring, until the Division
<br />issues a letter authorizing discontinuance. The plan 9. In the even of any spl its from vehicles or other activities on site, the SPCC Plan
<br />will include the sampling and analytical methods to be Included as part of EXHIBIT D- MINING PLAN shall also be Followed.
<br />. used and an agreement to submit the results of the 10. No dewatering shall be undertaken without agreement with shallow well owners within
<br />analysis to the Division within 30 days of the 600', or approval of the State Engineer's OFfIce (SEO), and the written agreements or
<br />sampling date. The samp Les w It be obtained and approval from SEO for dewatering to maximum depth of 15 feet Is reviewed and approved by
<br />analyzed by a company, Individual or agency certified the Division Of Minerals and Geology.
<br />to do the work. If an analysis shows a level of DIMP
<br />exceeding 8ug /L, Aggregate Industries or its agent 11. No mining shall occur within 2' of the ground water table In any area not already
<br />will notify the Division by certified mail and Include exposed to the surface until the State Engineer's Office (SEO) approves a substitute
<br />a response plan to deal with the contaminant, and to supply plan or another plan that allows such exposure of ground water.
<br />prevent on -site and off -site damage. If the Division
<br />determines from the monitoring data that there Is
<br />reasonable potential for the operation to cause ground THIS MAP WAS PREPARED UNDER THE DIRECTION OF ROBERT N. FLEMING
<br />water quality standards for to be exceeded, the JAI Division well notify Aggregate to I ndustries to modify �//J/II fi d
<br />the permit as necessary to comply with Subsection
<br />3, 1.7 of the Rules. ROBERT N. FLE DAT
<br />R.W. BAYER & ASSOCIATES, INC. ADCO CONSULTIING, INC. MINING PLAN MAP SCALE: DATE: JDRW BY: GKD BY: PROJ NO
<br />E 1" =300' DEC. 09, 2002 G.A.B. R.N.F. 0196
<br />2090 EAST 104TH AVENUE, SUITE 200 2090 EAST 104TH AVENUE, SUITE 305 THAT OF THE NORTHWEST ONE—QUARTER of SECTION 16, TOWNSHIP 2 SOUTH,
<br />THORNTON, COLORADO 80233-4316 THORNTON, COLORADO 80233 -4316 RANGE 67 WEST OFTHE SIXTH PRINCIPAL MERIDIAN, COUNTY OF ADAMS, STATE BOOK: PAGE: FILE No: SHEET NO
<br />(303) 452 -4433 FAX: (303) 45.2 -4515 (303) 450 -2204 FAX: (303) 452 -4515 OF COLORADO. EXHIBIT C -2 SHEET: 2 OF 2 16- 27 -73L 4 OF 6
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