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Requests post-const IE insp of lifts recently placed on tailings retention immpoundments.Criteria being developed for use in insp module on tailings dam.Checklist for embankment post-const insps & related correspondence encl.

Accession Number: ML19257D739

Date Released: Friday, October 25, 2024

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• ML19257D738 - Requests post-const IE insp of lifts recently placed on tailings retention immpoundments.Criteria being developed for use in insp module on tailings dam.Checklist for embankment post-const insps & related correspondence encl. (8 page(s), 1/15/1980)
• ML19257D746 - Amend 1 to Source Matl License SUA-551 providing authorization to raise dam to 7,100 ft above sea level.Adds Conditions 19-24 to license & modifies Conditions 17 & 18. (4 page(s), 11/7/1977)
• ML19257D747 - Advises that adequacy of piezometer installations & design purpose of well type piezometers are questionable.Perforated portion of pipe should be placed in embankment & foundation at most desirable locations for pore pressure. (2 page(s), 10/20/1977)
• ML19257D749 - Amend 2 to Source Matl License SUA-551 authorizing const of diaphragm cut-off well & cut-off trench.Adds Paragraphs (g) & (h) to Condition 22.Comments on encl technical const specs & const drawings & specs. (12 page(s), 5/1/1978)
• ML19257D750 - Amend 3 to Source Matl License SUA-551 authorizing raising of dam to final crest elevation of 7,100 ft above sea level. Adds Condition 25 and changes paragraph (h) of Condition 22 re const drawings & Tech Specs. (2 page(s), 6/2/1978)
• ML19257D751 - Submits 780719 trip rept re insp of slurry trench const, foundation excavation & fill placement for cut-off trench. Const of diaphragm cut-off wall & trench comply w/const plans & Tech Specs.QC adequate & in accordance w/specs. (2 page(s), 8/29/1978)