_REVISION - M1980244 ‎(30)‎

• Permit No: M1980244
• IBM Index Class Name: Revision
• Doc Name: Appendix E
• From: Cripple Creek & Victor Gold
• To: DMG
• Type & Sequence: AM8
• Media Type: D
• Archive: No

SECTION 02200.0 EARTHWORKS
• PART t: GENERAL
1.01 SUMMARY:
This SPECIFICAT[ON describes site preparation, excavation, stockpiling of soils for earthwork if
necessary, and placement of Structural Fill, Select Structural Fill, Coarse Shaft Backfill, Underdrain Fill,
Low Volume Solution Collection Fill, Bedding Fill, Leak Detection Fill, Soil Liner Fill, Drain Cover Fill,
Fine Shaft Backfill, Pipe Bedding Material and Granular Filter Material for the valley leach facility.
1.02 RELATED SECTIONS:
Refer to the following Sections for related work:
Section 01050.0 -Staking and Construction Certification Documentation
Section 02776.0 - Geomembrane
Section 02777.0 - Geotextile
1.03 TOLERANCES:
A. Limits ofexcavation, Structural Fill, Select Structural Fill, Coarse Shaft Backfill, Underdmin Fill,
Low Volume Solution Collection Fill, Bedding Fill, Leak Detection Fill, Soil Liner Fill, Drain
Cover Fill, Fine Shaft Backfill, Pipe Bedding Material and Granular Filter Material for the valley
leach facility are defined by the lines and elevations shown on the DRAWINGS. All fill shall be
placed to the minimum thicknesses shown on the DRAWINGS.
B. Finished grades shown on the DRAWINGS are given in feet, and shall slope uniformly between
given spot and contour elevations, without sag or humps. All grades shall provide for namml
runoff.
C. The Soil Liner Fill and Bedding Fill shall have a minimum thickness of 1.0 foot.
D. The Low Volume Solution Collection Fill wilt have a minimum thickness of 3.0 feet at all times,
and the Drain Cover fill will have a minimum thickness of 2.0 feet at all times.
E. Cleazance of pipes with respect to regulated boundaries will be checked by MANAGER. If
clearances are inadequate, CONTRACTOR shall backfill trenches to compaction
SPECIFICATIONS and relocate trenches at CONTRACTOR'S expense.
F. Correction of overexcavation and backfilling shall be to CONTRACTOR'S account.
1.04 QUALITY ASSURANCE:
A. All work shall be monitored and tested in compliance with the requirements of the CQA Plan.
B. CONTRACTOR shall be aware of all testing activities outlined in the CQA Plan, and shall
account for these activities in Ute construction schedule.
C. All CQA soils testing (both field and laboratory testing) will be the responsibility of
CERTIFYING ENGINEER, as identified in the Earthworks CQA plan. CONTRACTOR
shall be responsible for cooperating with CQA Monitor during all testing activities.
CONTRACTOR shall provide equipment and labor to assist CQA Monitor in sampling, if
requested, and shall also provide access to all areas requiring testing activities. Quality Control
• testing shall be the responsibility of the CONTRACTOR
Section 02200 Page 1 of 17 March 22, 2000
Earthworks Golder Associates Revision 7
D KPH.\SErv PSSA CERTAPPENDICa:SWPPENOi%E TECFWICAL SPECffICATIONS\02200R'l.DOC