Laserfiche WebLink
PERIODIC INSPECTION FORM <br />Mater, 5edi~ent, or Slurry lnpoundments <br />INSPECTOR' S NAME: _ (~~ k ti ~ ~~ ~~ o S DATE: G - Z - ~ ~ <br />N.P.D.E.S. I.D. NO.: cn-nnnm~i n_P_ nna <br />FACILITY CONFIGURATION: Cross-Valley Pond DATE LAST INSPECTION: 3 -2c'- ~ ~ _ <br />SITE NAME: Smith Cart inn 17 Pnnd Nn04 LOCATION: SW'~SE%. Sec. 12. T5N. R87W <br />MINE NAME: S~naca i_1 Mina (Paaho y Coal Company) LOCATION: 7,1 mi. SE of Hayden. CO <br />MINE I.D. NO.: CI•iIRR Parmit IJn_ e-nnS-Rn OWNER'S REP.: Don Zulian. Supt. <br />Circle or Mrite in appropriate response <br />1. Foundation preparation {removal of vegetation, stumps, topsoil4) Ye No <br />2. Lift thickness (inches) ~- inches <br />3. Compaction according to approved plan Yes No <br />4. Burning (specify extent and location) NSA Y,~X~ <br />5. Angle of slope{de~gre~s~ 5.1 np.5traam 9~1 dnwnctraam. total = .L~l~jree+.~ <br />6. *Seepage"{specify location, color, and approximate volume) <br /> From underdrain pipes L e3 No <br /> At isolated points on embankment s opes Yes ~No' <br /> At natural hillside Yes (No <br /> Over widespread areas Yes ~E~t>! <br /> From downstream foundation area `Yes) ~~ <br /> "Boils" beneath stream or ponde water Pes ~Noi <br />7. Cracks or scarps on crest GYPS' No <br />8. Cracks or scarps on slope Yes ~No' <br />9. Sloughing or bulging on slope Yes ~flo' <br />10. *Major erosion problems Yes (Nd <br />11. Surface movements in valley bottom or on hillside Yes Nol <br />12. *Erosion of toe Yes (No <br />13. *Water impounded against toe Yes <Nd~ <br />14. Existing embankment freeboard (feet) _~ feet <br />15. Increase .~ Decrease in water level (feet) _~ feet <br />16. Cracks, bulging, or erosion on upstream face Yes ~No.? <br />17. Visible sumps or sinkholes in slurry surface N/A )3;'tl5(XNIb <br />18. *Clogging <br /> Spillway channels and pipes Yes e[io.' <br /> Decant system Yes Noy <br /> Diversion ditc es Yes fU <br />19. *Cracking or crushing of pipes <br /> Spillway pipes Yes Qlo3 <br /> Decant system Yes 4Jo <br />20. Trash racks clear and in place N/A X1f~X Xpllf <br />*Major adverse changes in these items could cause instability and should be reported to <br />the Engineering Manager and Mine Superintendent for further evaluation. Adverse condi- <br />tions noted in these items should normally be described (extent, location, volume, etc.) <br />in the space on the back of this sheet. <br />