HomeMy WebLinkAbout; Terramar Sewer Assessment District; Soils Report; 1964-12-24PHILIP HENKING BENTON PI)LSIDEIIT ClVlL ENGINEER
BENTON ENGINEERING. INC.
APPLIEO 501L MECHANICS ~ FclULID*TION*
6741 EL CAJON BOULEVARD SAN DIEGO. CALIFORNIA 82115
December 24, 1964
Engineering Deportment
City of Corlsbad
29&l Pio Pica Drive
Carl&ad, California
Attention: Mr. C. R. Thornton
Assistant City Engineer
Subject: Project No. &I-12-1lF
Exploration Borings for the
Terromar Sewer Assessment District
Cartsbad, California
Gentlemen:
SAN DIEGO: 583.5654 LA ME**. 469.5654
ENGINEERING DEPT. LIBRARY
City of Carlsbad 2075 I.&s Palmas Drive bfkbad CA 92009-4859
This is to transmit to you the log of soil conditions at a boring drilled on Carl&d Boulevard,
south of Cannon Road and the logs of four baings thot were drilled adjacent to the proposed
sewer line on Connon Road between Corlsbod Boulevard and the proposed pumping station
near the Atchiscn, Topeka and Santa Fe Roilrood Right-of-Way east of El Arbol Drive, in
Carl&ad, California. The soil conditions encoufiered are shown on the attached Drawing
Nos. I to 5, inclusive, each entitled, “Summary Sheet”.
The borings were drilled with a truck-mounted 15 inch diameter rotary bucket-type drill
rig to determine the soil and ground water conditions to be encountered during the construction
of the prqzosed sewer and pumping stat ion. The borings were drilled at the locations described
below.
Boring No.
1
Approximate Location
Corlsbad Boulevard, 138’ south d the proposed manhole at Cannon Road
and Corlsbad Boulevard, 50’ west of existing 10” E.S.V.C.P. sewer
2 Cannon Rood, 15’ north of proposed sewer line at Station 15+10
3 Cannon Road, 15’ nath of proposed sewer line at Station 12+03
4 Connon Road, 4’ north of proposed sewer line at Station 8+56
5 Cannon Rmd, 4O’north of propmed sewer line at Station 5+40
Project No. 64-12-11F
Explomtion Borings for the
-2- December 24, 1964
Terromor Sewer Assessment District
The soils were classified in accordance with the field identification procedures of the Unified
Soils Clossificorion Chort.
Respectfully submitted,
BENTON ENGINEERING, INC.
BY /6&w-
DonL.Leo oy
Reviewed by
Civil Engineer
cc: (3) Roy L. Klemo, Engineers, Inc.
BENTON ENGINEERING. WC
z 2z SUMMARY SHEET XL LZ $2 BORING NO. ’ a$ ELEVATION 48.2’ *
~...
lo-~::,::;:,;;:,;~
~..,, .~....
12- ?::::!?
-;y:/:>’ Groy Brown ond Red Brown,
,8 <//v Moist, Very Compact
/,/:/:~; --‘2,.X,:
24 :~(),f +& -‘+yj
22 ‘:/:+ ‘~ Light Groy Brown, Moist,
Compact
t ICJ
MEDIUM SAND
SILTY FINE TO
MEDIUM SAND
SLIGHTLY SILTY
FINE TO MEDllJh
SAND
FINE TO MEDIUA
SAND
SLIGHTLY SILTY
FINE TO MEDlUh
SAND
FINE TO MEDIUA
SAND
I
‘Surface elevations referenced to elevotions shown on Sheet 2 of the City of
Corlsbod Drowing entitled “Plan and Profile for Sewers in Cannon Rood
Between A.T.&S.F. R.R. and Corlsbad Boulevard”.
PROJECT NO.
64-12-1 IF BENTON DRAWING NO. ENGINEERING, INC. 1
z YZ SUMMARY SHEET IL E? 22 BORING NO.2
k? $2 ELEVATION 5A l-l’
-0 r’/y;Red Brown, : * Dry, Firm
Moist, Very Firm, Slight Clay
own, Moist, Very Compac
/:(’ 10 :~‘:: 6,~’ ,: ,,’ Red Brown and Groy, 51 ightly
:,. Moist, Compact 12 - ::,~ ‘~~.’ ,~,.‘,
;:~,‘,::~
14 - ::j,~~I~::~l~~~: Gray Brown
, ,5 - f:;:;;:,:i:;;;‘; ;,
1 8 - ~~:‘~~;~;~~~j~ . . ..‘.....~..~
~~:..;..,‘:.‘. 2. _ ;),;j+-
~~.~, ~~~ 24 -,,:I; i::~:;: : j
,:~..: Light Gray, 26 --i,::,,:‘,‘c;’ Grains Few Cmrse Sand
28 - ::,?,,L.,.:: ,,~
30 ,‘:? ‘,‘~
SILTY FINE TO
MEDIUM SAND
SLIGHTLY SILTY
FINE TO MEDIUM
SAND
FINE TO MEDIUM
SAND
- - -
PROJECT NO. DRAWING NO.
64-12-1 IF BENTON ENGINEERING, INC. 2
z HIE SUMMARY SHEET XL LIE :s BORING NO. 3
: $2 ELEVATION -55.
Red Brown, Moist, Firm
Dry, Very Firm, Slight Cloy
Brown, Moist, Very Compact
:::::::‘.~“:,‘.:-ight Grey, Slightly Moist, -‘,‘:~,‘~:‘: : ompct
28- .~~:~::;‘; .;:‘;:_:
:‘A ~~“~ ,:‘~
rjo-~ ~1 .‘,‘.~,.~l
SILTY FINE TO
MEDIUM SAND
SLIGHTLY SILTY
FINE TO MEDIUM
SAND
FINE TO MEDIUM
SAND
SLIGHTLY SILTY
FINE TO MEDIUM
SAND
FINE TO MEDIUM
SAND
- -
-
-
-
PROJECT NO. DRAWING NO.
64-12-I 1F BENTON ENGINEERING, INC. 3
BORING N0.d
SILTY FINE TO
MEDIUM SAND
-..... = Red Brown, Moist, Very Firm CLAYEY FINE TO
4- MEDIUM SAND . . . . .
+ Red Brown, Very Moist, Very
6-T Firm, Few Grovel to 1” CLAYEY FINE TO .* COARSE SAND
8-
PROJECT NO.
64-12-1 IA BENTON ENGINEERING, INC. DRAWING NO.
4
z SUMMARY SHEET G E ti &ie’ E !i YE :z-os3z IL 22 :b! BORING NO. 5 IAl E -rc* y y !!??a a, UJl-la Ly 2 ::lj
z z?g 42.8’ 2 +. nom > ui z;=; ELEVATION g’ S$ g Y zk
Light Gray, Dry, Firm
SILTY FINE TO
MEDIUM SAND
Firm, Clay Chunks SILTY FINE TO
COARSE SAND
SILTY FINE TO
COARSE SAND
PROJECT NO.
64-12-11F BENTON ENGINEERING, INC. DRAWING NO.
5