REP27985

• Permit No: C1981014
• IBM Index Class Name: Report
• Doc Date: 6/30/1997
• Doc Name: SEMI ANNUAL SUBSIDENCE MONITORING REPORT 1/1/1997 - 6/30/1997
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

5
TABLE 1
Southfield Mme
SEMI-ANNUAL SUBSIDENCE MONITORING DATA SUMMARY
PERIOD: January 1 -June 30, 1997
heat Survey Hate: 6/97
FLORENCE WATER LINE Original Survey Dates: 5185,
Previous Survey Hate: 9197 10/R7. 1 /95. 5196
VERTICAL & HORIZONTAL CHANGE VERTICAL & HORIZONTAL CHANGE
FROM ORIGINAL SURVEY FROM PREVIOUS SURVEY
Monument Latest Survey Vertical Horizontal Previous Survey Vertical Horizontal
No. Elevation (Ft) Change (Ft) Change (Ft) Elevation (Ft) Chan a (Ft) Change (Ft)
B 6,432.13 0.13 0.62 6,432.15 -0.02 0.16
C ';6,477.80 .. -0.33: L[2 6,477.74 0.06 0.10
D 6,554.20 -0.27 0.29 6,554.09 0.11 0.11
E 6;63206- ~ -1.37 1:76 6,632.08 -0.02 0.38`. .
F 6,297.40 -1.50 0.17 6,297.50 -0.10 0.14
O 6.261.49
... -3 06' 0.50 6,261.66 -0:17 0.24 .
H .
6,239.24 -1.04 0.27 6,239.25 -0.Ol O.ll
L-.... 6,Z06.E9 . ~_ _ -3.12' ~ 0.62 6.206.24 -0.05 0.18`
CV Jomt 6,259.07 -2.52 0.16 6,259.04 0.03 0.19
THOMPSON RANCH STRUCTURES
VERTICAL & HORIZONTAL CHANGE VERTICAL & HORIZONTAL CHANGE
FROM ORIGINAL SURVEY FROM PREVIOUS SURVEY
Latest Survey Vertical Horizontal Previous Survey Vertical Horizontal
Structure Elevation (Ft) Change (Ft) Change (Ft) Elevation (Ft) Chan a (Ft) Change (Ft)
N. House 6,367.40 0.05 0.22 6,367.39 0.01 0.06

S. Hoviie
6,372.00
0.06.'
0.20
~ 6,372.01,
-0.O1 ..
0.04
Bum 6,383.41 0.01 0.11 ~ 6,383.44 -0.03 0.04
NEWLIN CREEK POINT
ruyo
~~
VERTICAL & HORIZONTAL CHANGE VERTICAL & HORIZONTAL CHANGE
FROM ORIGINAL SURVEY FROM PREVIOUS SURVEY
Latest Survey Vertical Horizontal Previous Survey Vertical Horizontal
Elevation (Ft) Chan . (Ft) Change (Ft) Elevation (Ft) Chan a (Ft) Change (Ft)
Point 6,221.95 -0,03 0.01 6,221.92 0.03 0.05