LEGEND

/

Progress Energy Florida

Rev 0FIGURE 2.5.4.2-204A

Subsurface Fence Diagram with Vs Results atLNP 1: Plant North to South

Levy Nuclear PlantUnits 1 and 2

Part 2, Final Safety Analysis ReportLevy County, Florida

LNP COL 2.5-1, LNP COL 2.5-5

0

-150

-200

-250

-300

-350

-400

-450

-50

50

0

-50

-100

-150

-200

-250

-300

-350

-400

-450

-100

Elev

atio

n (ft

)

50

**

*

50 75 100

S-1

Boring I-09GSE 42.4 ft

S-3

0

SAV-1

225 3

Vs(ft/s x 1000)

100

Boring A-17GSE 42.3 ft

N, REC, RQD(%)

54

Vs(ft/s x 1000)

Boring GSC-10GSE 42.3 ft

-180'

2

N, REC, RQD(%)

75

Boring I-10GSE 42 ft

1001 1

Nuclear Island is approxim ately located between bor ings A-14/A-14A and A-22/A-22A in this section.Note: Horizontal is not to scale.

31000 755025

-309'

SAV-3

N, REC, RQD(%)

50

Boring A-21GSE 42.4 ftN, REC, RQD

(%)500

Boring A-21AGSE 42.8 ft

SAV-2

25

S-2

250 75

S-2

Boring A-14AGSE 42.2 ft

1001007550250

Boring A-16GSE 42.7 ft

N, REC, RQD(%)

610075504 0

N, REC, RQD(%)

66

Boring A-22AGSE 42.9 ft

5 0 25 50 75 1004

Vs(ft/s x 1000)

N, REC, RQD(%)

625 1 0 25 50 75 100321

N, REC, RQD(%)

54

Vs(ft/s x 1000)

3 75100

Vs(ft/s x 1000)

100750 25

Boring AD-03GSE 42.4 ft

752 50250

N, REC, RQD(%)

Boring A-22GSE 42.6 ft

N, REC, RQD(%)

50 7554

Boring B-21GSE 41.8 ft

0 25

Boring AD-04GSE 42.6 ft

501

Boring AD-04GSE 42.6 ft

Boring B-22GSE 40.5 ft

N, REC, RQD(%)

0 50 10050

Boring AD-03GSE 42.4 ft

Boring I-07GSE 42.4 ft

3

Boring A-14GSE 42.4 ft

0 25255 75 100

N, REC, RQD(%)

N, REC, RQD(%)

6 2SPT N-Values

Rock Core Recovery Percentage

Rock Quality Designation

Shear Wave Velocity

Interpreted Layering fromSuspension Logging

Interpreted Layering fromDownhole Logging

Soil Layer 1

South Reactor Avon ParkRock Layer 1

Top of Rock

Top of Rock is determinedfrom adjacent offset boreholedesignated as the same boreholenumber with a letter A postscript

VERTICAL SCALE: 1" = 30.0'HORIZONTAL NOT TO SCALE

A-21A

A-16A-17

A-22

I-10A-22A

A-21

AD-03I-07

A-14AD-04

B-21

I-09

GSC-10

B-22

A-14A

S-1

SAV-1

LINE IS ONE INCH WHENPRINTED TO SCALE

1"0

?*?