View Document Here - Hanford Site
View Document Here - Hanford Site
View Document Here - Hanford Site
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Appendix H - Detailed Description of Altcrnative 6: DoEIRL-2001-11<br />
Close in Place - Collapsed Structure Rev. A 1 Draft n<br />
n I Redline/Strikeout<br />
ATfACHAtENT H1- FUNCTIONAL HIERARCHY<br />
1 H.1.3.1.5 Angle drill approx 15 meters OC through 221-U exterior wall<br />
2 and grout vent tunnel with flowable grout.<br />
3 H.13.2 Disposal of Contaminated Equipment in 221-U<br />
4 H.1.3.2.1 Size and dismantle equipment from canyon floor<br />
5 H.1.3.2.2 Place canyon eqmt into cell<br />
6 H.1.3.2.3 Fog celVaqmt with fixative paint<br />
7 H.1.3.2.4 Grout cells and replace cover blocks<br />
8 H.1.3.2.5 Pressure grout cells once cover blocks in place<br />
9 H.1.3.2.6 Remove equipment from Operating Gallery. Centainerize it<br />
10<br />
i l H.1.3.2.7 Remove the bails from the cell cover blocks<br />
12 •H.1.3.3 D&D Railroad Tunnel<br />
13 H.1.3.3.1 Remove soil cover from rail tunnel<br />
14 H.1.3.3.2 Fix contamination on tunnel interior<br />
15 H.1.3.33 Demolish railroad tunnel and clear demolition debris to allow<br />
16 truck access into the rail tunnel.<br />
17 H.1.3.3.4 Place containerized and et#wFlone-len¢th lecacv wastes into<br />
18 gGcl13 (rail tunnel)<br />
19 H.1.3.35 Construct concrete wall to close rail tunnel opening in canyon<br />
20 H.1.3.3.6 Grout Ccll 3 solid with covers in place<br />
21 H.1.3.3.7 Place demolition debris into tunnel section ( inner half)<br />
22 H.1.3.3.8 Fill voids where found in demolition debris w/ flowable grout<br />
23 H.13.4 Hot Pipe Trench<br />
24 ^ 1-1.1.3.4.1 Remove 6evepo_vSLblocks<br />
25 • 111.3.4.2 Fog trench/piping with fixative paint<br />
26 H.1.3.43 Grout pipe trench full with pipes in place and replace cover<br />
27 blocks<br />
28 H.1.3.4.4 Pressure grout trench once cover blocks in place<br />
29 H.1.3.4.5 Remove the bails from the hot pipe trench cover blocks<br />
30 H.1.3.5 Remove Surface Contamination<br />
31 H.1.3.5.1 Assume for Alternative 6 no surface contamination removal is<br />
32 needed.<br />
33 H.1.3.6 Fix contamination on 221-U interior surfaces<br />
34 H.1.3.6.1 Building interior (canyon walls, floor & roof)<br />
35 H.lA Modify external area _<br />
36 H.1.4.1 Disposition external aboveground legacy structures and systems within<br />
37 the environmental cap footprint<br />
38 H.1.4.1.1 Disposition 276-U Solvent Recovery Facility<br />
39 H.1.4.12 Disposition 271-U office building<br />
40 H.1.4.1.3 Disposition Front and Rear Stairs for 221-U<br />
Final Feasibifiry Study jor the Canyon Disposition Initiative (221 -U Facility)<br />
JIM 100 , H-28