HomeMy WebLinkAbout6-10; EL CAMINO MESA UNIT NO. 4; COMPACTION TEST; 1966-10-27ENGINEERING
PLANNING
SURVEYING
SOIL MECHANICS.
(J_l°
TANNER, MARQUARDT AND ASSOCIATES, INC.
230 West Third Avenue . Escondido, California 92025 . (714) 745-7720
October 27, 1966 Job No. 7515
City of Carlsbad
2960 Plo Pico Drive
Carlsbad, California 92008.
Gentlemen:
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At the request of Mr. Westree,. we have performedone laboratory
compaction-test and nine field densities in the utility line backfills
in El Cámino Mesa No. 4. V
Results are as follows:
Laboratory compaction test: ASTM D155.7-58T -'
V
Soil: Light brown, sandy clay mixed with
light grey, sandy clay. V
V Maximum Density: r 124.3 pcf V V
Optimum Moisture: 11.1 To
Depth below .'Field Dry Relative
V Test existing . Moisture, Density, - Compaction,
V No.. VLocation ground, ft. -% V pcf % V
V V V V V
1{24+75Trieste VV
power &gas 1.1 . 7.7 107.5 86.5..
2 - 26+00 Trieste V
•V
V power &.gas 0.9 12.1, 99.2 V 80.0 •
V 3 4+78 Trieste V
sewer 1.2 • 11.2 103.2 83.0
4 Lot 127 sewer
V
lateral at curb 10 • 21.1 93.9 V -
'Sewer 13' E of V
radius pt. V V V
Sti'ombergCircle 0.9. V 10.5 - 112.7 V 907
6 1+72 sewer V
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V Stromberg Circle 1.1 - 11.1 104.6
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84.2
V
JOHN FVTANNER V
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RVCVEV V V V
DEAN K. MARQUARDT V
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R. C. E. V V V
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V :V VV V
V V
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V V V
S
Job No. 7515
City of Carlsbad - October 27, 1966 Page 2.
'Depth below Field Dry Relative
Test existing Moisture, Density, Compaction,
No. Location ground, ft. pcf
7 4+85 Trieste
sewer -main 1.1 5.9 111.3 90.0
8 Trieste Dr. sewer
main opp. corner
Lots 129-130 0.6 9.2 112.1 90.2
9 0+52 Stromberg
Circle sewer
'main .0.9 12.9 114.0 . 91.7
Sincerely y0u1s,
John F. Tanner
R'.C.E. #9525
JFT:mlc
(4 copies)