HomeMy WebLinkAbout3495; FOREST AV HDD GRAVITY SEWER PIPELINE; LABORATORY TEST REPORT NO. 1; 2005-09-190 •V
City of Carlsbad September 19, 2005
5950El Camino Real V
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'Contract No. 107670 V
Carlsbad; CA 92008
Attention Mr. Don Moore
Subject Laborato TestReport No 1
Project: - 4th Ave Sewerline V
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Carlsbad, California
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Dear Mr. Moore
'Submitted herewith are the results of laboratory testing performed VÔ, import material samples
proposed for use as fill in connection with sewerhne construction at the above referenced project
site:
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The sample locations and their respective classifications are presented below
Sample
No.
Date
Sampled
V Location V Description
1 9/9/2005 V Import: Laguna Road, Dark Brown Silty SAND V
2 9/9/2005 . Import: Monroe Street . . Brawn Greenish Gray BASE
- - Maximum, density and optimum 'moisture values determined 'in accordance with the ASTM D- V
V V .1557-91 1aboratory test stãndàrd. for subsequent compaëtion 1ionitoring purposes were as
toilows
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V Sample. ' V Max Dry C1.
Mai Optimum
No.. Classification V Moisture,
V (USCS) "(pcf). .
- %
1
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SM . 134.0 :' 8.0
V 2 BASE V : 141.0 . 6,0
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An evaluation of the grain-size distribution of selected samples was performed in general ;
V accordance with the latest version, ofASTM 'D422: These test results were utiliied ineva1uating
-. 'the soil classifications in accordance "with the Unified Soil Classification System. The result*s are V
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presented below
V V Testing -Engineers:- U.S. Laboratories
795 Cnnvo (onrt Suite 18 • San Diego j', thf ma 9211! • 53i 71 5S.iO • Fc1\ (s58) 7I 5810
Offices Nationwide •.
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City of Carlsbad Contract N6.:107670
4th Avenue Sewerline
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Sieve ,
Size
SamlNoV15I5 Sample No.2
Percent ..
Passing.
" •Percent
Passing
'u n. 99; 100.
3/din. V 99 V
V V 995
96 91
3/8 in. V 93 86
V #4. . .- . 88 . 76"
'#8',' 84' . 57
#16 . 77 .39
#3,0- -.62 - V V28 V
#50 41 -. 21'
#100 28. 16
#200 20 13.1(1)
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V Non-con1p1iant spec. is2to9%passing#2OO,35to55%passing#4 V V
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Expansion Index test results were performed in accordance with UBC Standard 18-2 are presented,
V . below:-
Sample
-No.
Expansion
Index
Potential
Expansion (1)
I 1 I VeryLowj
(1):Based on table 18-1-B: 1997 IJBC,page 2-49 -.
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V It should be noted- that test results contained herein are for geotechnical .purposes'and do not
V reflect compliance with United States Environmental Protection Agency and State of California
V V regulations regarding environmental concerns.
Testing andsubsequeit 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.
The laboratory test results indicáte compliance with the project plans 'and specifications V
S excluding any exceptions, as noted under individual 'tables. These labofatory tests were V
V ' performed in accordance 'with generally accepted standards and do not constitute engineering V V
opinions or project control. It is the responsibility of the contractor to, schedule retest or re-
ins )ections of any areas that do not meet project specifications as a result of the attached
information. TE-USL neither. controls nor Vsupervises, the work 'at the site We are not. V
V responsible for errors and omissions 'of the contractor, nor for the contractor's failure to keep the '
work on schedule or carry it out in accordance with the project plans, specifications, and all
applicable codes