HomeMy WebLinkAbout3495; FOREST AV HDD GRAVITY SEWER PIPELINE; LABORATORY TEST REPORT NO. 2; 2005-11-02lUL1
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City of Carlsbad November 2, 2005
1635 Faraday Ave Contract No. 107670
Carlsbad, CA 92008 1
Attention: Don Moore
Subject: Laboratory Test Report No. 2
Project: Carlsbad - 41h Avenue Sewerline
Marron Street & Carlsbad Village Drive
uarisoaa, Ca.liforma
RECEIVED
LN0vi O5
(iTV OF CARLS13AI)
ENGINEERING DEPARTMENT
Ct'i&I DIVISION
Dear Mr. Moore,
Submitted herewith are the results of laboratory testing performed on on-site and import material.
samples being used as fill at the above referenced project site.
The sample locations and their respective classifications are presented below
Sample ':Date
- Location--: Description No.'. Sampled
3 09/19/05 On-site Intersection of Forest Ave &
Brownish Orangish Clayey Sand Highland
4 10/05/05 Import: Source Unknown Brown Ciss II Base
Maximum density and optimum moisture values determind in accoidance with the ASTM D-
1557-91 laboratory test standard for subsequent compaction monitoring purposes were as
follows
samp'le Classification Max Dry
,
Optimum
'C (USCS). .
.Density` Moisture
'3 2.5'.
4 Rock Base 1450 55
Testing Engineers - U S Laboratories
7895 Convoy Cojrt Suite 18 41146 Elm Street Suite A 820 Research Drive Suite 2 2001 East First Street
San Diego California 92111 Murneta California 92562 Palm Springs California-92262 Santa Ana California 92705
(858) 715-5800 • Fax': (858) 715:5810 .. (95 l' 677-0366 • Fax: (9 I) 67.7-5761 (7.60) 325-837,8 • Fax: (760) 325-7480 (714) 568-7300 • Fax: ()14) 664-0252
Offices Nationwide
City of Carlsbad Contract No.: 107670 4th Avenue Sewer . .
M evaluation of the grain-size distribution of the sample was performed in general accordance
with the latest version of ASTM D422. These test results were utilized in evaluating the soil
classifications in accordance with the Unified Soil Classification System. 'The . results are
presented below: .
Sieve Size
Sample No: I Sample No. 2
Percent -
Passing
Percent
Passing
in.
3% in. . - 96
/2 in. 99 .70
3/8 in. 99 64
#4 99 58
#8 - 41'.
#10 95 -
#16 - 29
#20 89 - -
#30 - 22.
#40 69 -
#50 .- . 17'
#60 53
#100 44
#150 . 14
#200 37.7.. 11.4"
1) Non-compliant With Caltrans Class 2 rocK base
It should be noted that test results contained herein are for geotechnical purposes and do not
reflect compliance with United States Environmental Protection Agency and State of California.
regulations regarding environmental concerns.
Testing and subsequent approval of any import source applies only to the sample provided.
It is, the, contractor's responsibility to import materials that are consistent with the sample'
tested. In any case, final approval is contingent upon the actual materials as hauled to the ,
' site.
2 f
tV V
V City of Carlsbad V
V V Contract No.: 107670, 4th Avenue Sewer
The laboratory test results indicate compliance with the project plans and specifications
V ecluding" any exceptions, as noted under individual tables. V 'These laboratory V tests were
V performed in ,accordance with generally accepted standards and do not constitute engineering
opinions or project control. It is the responsibility of the contractor to schedule retests or re-
inspections f any areas that do not meet project specifications as a result of the attached
V information. V TE-USL neither controls nor supervises the work at the site.' We are not V
responsible for errors and omissions of the contractor, nor for the contractor's failure to keep the V
V work on schedule or carry it. out in accordance with the project plans, specifications, and all
applicable codes.
Respectfully submitted,'
T4ST.ING ENGINEERS U.S. Labs, Inc.
VanW. Olin, GE 2578
Geotechnical Department Manager
V VO:cl
Distribution: (1) Addressee V V , • V
V '(I) Field File
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V T;\Geoiechnical Files\Projccts\Contract Numbers\107670 Carlsbad- 4th Ave Sewer\107670 Lab Report Ifl,doc V
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