HomeMy WebLinkAboutCT 82-23; PLAZA PASEO REAL; PAVEMENT RECOMMENDATIONS; 1985-11-21ar
GE000N
I N C 0 B P 0 B A T E D ENGINEERS ANDGEOLOGISTS.. CONSULTANTS IN THE APPLIED EARTH SCIENCES
File No. D-2904-J02
November 21, 1985 - -
Mola Development RECEIVED
6994 El Camino Real, Suite 202 :.. ..
Carlsbad, California 92008
DEC 21985 ..
Attention: Mr. John Millett
Subject 1 CITY OF CARLSBAD
EL CANINO REAL DEVELOP. PROC. SERV. DIV.
CARLSBAD, CALIFORNIA
PAVEMENT RECOMMENDATIONS -
- Gentlemen: - -
..• -
In accordance with your request, s have.provided additional engineering
services for the subject project. The scope of our services included
securing a representative subgrade soil sample from El Camino Real at
Station 214+40 and sending. it to Testing Engineers-San Diego to determine
its R-Value' characteristics. Laboratory test results yieldedan R-Value of
18. Test results are attached. • .
For our pavement sectin design, !we have used the "California Flexible
Pavement Design" criteria and the "Street Structure Sections" for the City
of Carlsbad. Based 0n the above information, it is our opinion that the
~pavement section should consi
5pches of crushedaggregate base for a TraffiEIndex (-T-]?)of 85and61
.iches or asphalt.. concrete-of- 6—i-ncheso.L.crushed aggregatebasefo.ra
Fe) .Prior to placing the crushed aggregate base material, the subgrade shou
be compactd to at least 90 percent relative compaction to .a minimum depth
of inches. The crushed aggregate base should b6 compacted to at least 95
percent relative compaction. The.drushed-aggregatebase should conform. to
Section 200-2.2 of the Green Book
If there are any questions concerning-tour recommendations or if we can be -
of further service, please contact the uñdersined. - -
Very truly yours,
9E9CON, INCORPORATED
J es
E. Likins Raul R. Garcia . .
E 17030 Staff Engineer
RRG:JEL:lm
(3) addressee.
0 9530 DOWDY DRIVE • SAN DIEGO, -CALIFORNIA 92126.
-
PHONE (619) 695-2880 .
*IUf Testing Engineers— Diego 3467 Kurtz Street, P.O. Box , San Diego CA 92138 (619) 225-9641 $ 2948 Industry St., Unit B, Oce.. ide, CA 92054 (619) 758-3730
UB NO: 1082 CEOCON ) INC OB NAME: CEOCON, INC, 9530 DOWDY Di C ICON, INC. Gi ADDRESS: ALL LOCATIONS SAN DIEGO ) C R'E' E I V E D' T1NC ENGINEERS-SAN DIEGO SAN DIEGO, CA
...
NOV 19985 WJECT: MOLA DEVELOPMENT-CARLSBAD TRACT 82-23
INEER: Roy E. Moore, R.C.E,/ T.H.Chapiar,, R.C,E.
.. ....
PORT NO 817 REPORT OF SOIL TESTS GEOCON, INC. DATE 11/18/8
1. . ... R VALUE DATA
A c D
:oMpactor Press - P.6,1, 350.0 '130.0 75.0
oisV' Compaction -- '14.5 1i.3 . 18 .0
iI/Cu.Ft.
.
'113.4 100. 6 105.8
:--'Va1te -- Stabi1oMetr ,. 49.0 18.0 12.0
xu'd,' Pressure - P.6.1. 770.0 310.0 130.0
-tab Thick - 0,7 1 2 1 3
pn ..~'Press Thick -Fee -t 0 L 0 3 0 2
1. Assumed . N/A
Stib @ 300 P S I Exud 18.0
E>pcinsion Pressure N/A
Equii.LbrJuiM 1 0j 0
r1d Lquav1Fnt (_11
tcrii1 sampled by CLIENT
)Mitteu to 1bortory on 1i/0/85
'crbed a EL CArlINO REAL,214440, BROWN SILTY CLAYEY -SAND
iipied IroM JOIS1TE