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<br />CONSTRUCTION PLANS - RECEIVED
<br />MA" ! i .Wt
<br />forDivision o, Minerals and Geology
<br />AGGREGATE INDUSTRIES
<br />REVISIONS
<br />No.
<br />Dale
<br />By
<br />( -hkkd
<br />I Description
<br />1
<br />3/26/02
<br />cJC
<br />KES
<br />CITY COMMENTS
<br />GRAVEL P1017 RESERVOIR LINER
<br />for the Ciy of Arva t d a
<br />SECTION 17, TWP. 2S, RNG. 67W
<br />ADAMS COUNTY, COLORADO
<br />October 2001
<br />GENERAL NOTES
<br />1. The Contractor is responsible for preparing a sequencing plan for all fill placement for accept-
<br />ance by the Engineer. No contiguous vertical joints between fill sections are allowed. The
<br />minimum horizontal stagger length between joints is 100 feet. The parameters for allowing
<br />joints and staggered fill sections in the embankment are slopes no more than 4:1 for con-
<br />necting fills and no difference in height of 5 feet between fill sections are allowed. All
<br />joints between fill sections shall be connected together with clean fresh material. An existing
<br />fill section shall be cut down to fresh material, scarified and moistened to allow a tight
<br />interface with new fill.
<br />2. The topsoil on the entire site shall be stripped and stockpiled for later use. No material shall
<br />be placed in any portion of the embankment until the foundation for each section has been
<br />dewatered stripped, scarified and compacted, and has been approved by the contracting
<br />authority. Refer to Fulton Lakes Pit Design Report for foundation requirements.
<br />3. Clay fill material in interior dike shall have a minimum percent of clay fines passing the
<br />United States Standard No. 200 sieve of no less than 50% by dry weight and shall have a
<br />plasticity index of 10 percent or greater for the portion a` material passing a United States
<br />Standard No. 40 sieve. Cobbles and rock fragments having maximurn dimensions of more
<br />than 6 inches shall not be placed in clay earthfill. Please refer to Fulton Lakes Pit Design
<br />Report "Embankment Specifiations and Testing Requirements" for details.
<br />4. Random fill material shall consist of a reasonably well - graded pervious mixture of fines, sand,
<br />gravel, and cobbles. No cobbles and boulders larger than 6 inches in maximum dimensions
<br />may be embedded in the fill and must be removed from the fill prior to placement.
<br />5. All reservoir liner fill shall be compacted to a minimum of 95% ASTM- D698 -78 Standard
<br />Proctor Density at 1% below to 2% above optimum moisture content. Materials not meeting
<br />the specified moisture content will be scarified and recompacted until material meets specifi-
<br />cations. No frozen material is allowed to be used as fill.
<br />6. Each lift of fill will be put in at a maximum of 9 inch loose lifts. Each lift of fill shall be
<br />scarified to allow proper bonding between lifts.
<br />7. All Zone 1 material in interior dike embankment shall consist of processed clay shale from the
<br />reservoir bottom that is broken down into a uniform plastic clay. Air slaking and prewetting
<br />of the clay shale material is recommended prior to placing into the embankment. All Zone 1
<br />material shall be compacted to 95% of ASTM D- 698 -78 Standard Proctor Density at 17. below
<br />to 2% above optimum moisture. Any non - uniform lifts or lifts improperly tied to preceding
<br />lifts will be removed, reprocessed and recompacted to specifications.
<br />8. All
<br />Zone 2 material in
<br />the interior dike
<br />embankment shall consist
<br />of overburden materials
<br />similar
<br />to those used in
<br />the liner embankment.
<br />All Zone 2 material
<br />shall be compacted to
<br />95%
<br />of ASTM D- 698 -78
<br />Standard Proctor
<br />Density
<br />at 1% below to 2% above optimum moisture.
<br />Any
<br />non - uniform lifts or
<br />lifts improperly
<br />tied to
<br />preceding lifts will be
<br />removed, reprtocessed
<br />and
<br />recompacted to specifications.
<br />0
<br />9. The
<br />vertical lift difference between Zone 1
<br />and 2
<br />materials small be no
<br />more than 2 feet dur-
<br />ing
<br />construction. Please
<br />refer to the Fulton Lakes
<br />Pit Design Report for
<br />placement specifications.
<br />10. All bedrock shall be covered between shifts, or every 12 hours, with a minimum of two lifts.
<br />11. A mimimum of one test per every 1000 cubic yards of material compacted in place or a
<br />minimum of 3 tests per lift, whichever is more.
<br />12. The owner will provide quality control testing during the project. The contractor will be
<br />responsible for notifying the quality control engineer forty eight (48) hours in advance of
<br />required testing.
<br />13. The owner will not be liable for any delays caused by the Contractor not providing adequate
<br />notice to the quality control engineer.
<br />14. An 815 or equivalent sheepsfoot roller shall be used for compacting efforts. A gang -disk
<br />or equivalent equipment shall be used for scarification between embankment lifts. Compactive
<br />effort is only one part of the standards for embankment construction. Process is important
<br />to achieve interlocked lifts with no stratified layers of dry and wet material.
<br />15. Horizontal and vertical control by Epp & Associates, Inc. Project benchmark located ats noted
<br />on grading plan.
<br />16. If the Contractor finds any conflicts in this set of plans or is unclear about the construction
<br />procedure, the design engineer shall be notified immediately, and clarification requested, in
<br />writing.
<br />R67W
<br />it
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<br />VICINITY MAP
<br />SCALE: 1" = 2000'
<br />20001600 1200 800 400 0 500 1000 2000
<br />I hereby certify that these plans for construction of Arvada
<br />Gravel Pit Reservoir Liner were prepared by me or under
<br />my direct supervision for Aggregate Industries.
<br />y
<br />,gyp R E GIS �'j
<br />,- T
<br />��4 6! . zc
<br />15791; ;
<br />Charles Michael Applegate, P.E. •.....••'' ,�
<br />Colorado Professional Engineer No. 15791
<br />OWNER:
<br />ENGINEER:
<br />SURVEYOR:
<br />GEOTECHNICAL/
<br />SOIL INVESTIGATION:
<br />Aggregate Industries
<br />3605 S. Teller St.
<br />Lakewood, CO 80235
<br />Torn Maul
<br />(303) 716 -5224
<br />Applegate Group, Inn.
<br />1499 West 120th Ave.
<br />Suite 200
<br />Deaver, CO 80234
<br />Mike Applegate, P.E.
<br />(303) 452 -6611
<br />Epp & Associates, hic.
<br />433 4th Ave. West
<br />P.O. Box 837
<br />Craig, CO 81625
<br />Peter Epp, L.S.
<br />(970) 824 -8236
<br />CTL/Thornpsoii, Illc.
<br />1971 W. 12th Ave.
<br />Deaver, CO 80204
<br />Marc Cleveland, P.E.
<br />(303) 825 -0777
<br />SHEET INDEX
<br />1. Cover Sheet, General
<br />2. Property Boundary
<br />3. Flcodplain, Floodway
<br />4. Slurry Wall As -Built
<br />5. Grading Plan
<br />6. Cross Sections
<br />7. Details
<br />Notes
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<br />MAR ? 9 2102
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<br />Checked:
<br />IF YOU DIG COLORADO -- CALL US FIRSTI Scale:
<br />UTILITIES NOTIFICATION CENTER Sheet:
<br />1= 800= 922= 19870,
<br />(amtro
<br />(303) 534=670ODenm)
<br />CALL 2 BUSINESS DAYS PRIOR TO
<br />EXCAVATION FOR UTILITY LOCATIONS
<br />Of.
<br />1
<br />10/26/01
<br />01 -121
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<br />Division of Minerals and Geology lob No
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<br />LIAR 2 9 2002
<br />Checked:
<br />IF YOU DIG COLORADO -- CALL US FIRSTI Scale:
<br />UTILITIES NOTIFICATION CENTER Sheet:
<br />1= 800= 922= 19870,
<br />(amtro
<br />(303) 534=670ODenm)
<br />CALL 2 BUSINESS DAYS PRIOR TO
<br />EXCAVATION FOR UTILITY LOCATIONS
<br />Of.
<br />1
<br />10/26/01
<br />01 -121
<br />CJC
<br />KES
<br />CMA
<br />AS SHOWN
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