Earth Systems 1024 West Avenue M-4 I Palmdale, CA 93551 I Ph: 661.948.7538 I www.earthsystems.com
December 14, 2017
Recycled Aggregate Materials Company 3713 Alamo Street Simi Valley, California 93063
Attention: Mr. Dallas Jones
Subject: Laboratory Test Results
Caltrans Section 26 Class 2 Aggregate Base Recycled Aggregate Materials Company 8354 Nelson Way Escondido, California
PL-02667-04
This report presents the results of laboratory tests performed on one (1) sample of Ca ltrans Section 26 Class 2 Aggregate Base from the above referenced project. The sample was delivered to our laboratory on November 8, 2017. Per your request the following tests were performed;
A) Sieve Analysis (ASTM C-136) B) Sand Equivalent (Caltest 217) C) Durability Index (Ca ltest 229) D) R-Value (Caltest 301) E) Los Angeles Abrasion (ASTM C-131) F) Maximum Density - Optimum Moisture (ASTM D-1557)
The laboratory test results are attached. We trust this report meets your current needs. If you have any questions please contact us.
The Material Tested ~ met D did not meet the requirements of Caltrans Standard Specifications, 2015 edition Section 26-1.028 Class 2, % inch Maximum Aggregate Base.
Respectfully submitted,
Earth Systems Southern California
£0::-Project Engineer P. E.#82397 Distribution: e-mail: [email protected], [email protected]; [email protected];
December 14, 2017 2
Summary of Laboratory Test Results Caltrans Standard Specifications
Section 26 Class 2 Aggregate Base Recycled Aggregate Materials Company - Escondido, California
Delivered on November 8, 2017
A) Sieve Analysis (Caltest 202)
Sieve Percent Size Passing
1" (25.0 mm) 100 3/4" (19.0 mm) 98 1/2" (12.5 mm) 83 3/8" (9.5 mm) 70 #4 (4.75 mm) 47 #8 (2.36 mm) 33 #16 (1.18 mm) 24 #30 (0.6 mm) 17 #50 (0.3 mm) 10 #100 (0.15 mm) 6 #200 (0.075 mm) 3.3
B) Sand Equivalent (Caltest 217)
Sand Equivalent = 73
C) Durability Index (Caltest 229)
Dt = 70 De= 74
D) Resistance/R-Value (Caltest 301)
R-Value = 84
E) Los Angeles Abrasion (ASTM C-131)
Revolutions
100 500
% Loss
10.6 32.6
Caltrans Section 26 Class II Aggregate Base
(3/4" Maximum) 100
90-100
35-60
10-30
2-9
25 Min.
35 Min. 35 Min.
78 Min.
EARTH SYSTEMS SOUTHERN CALIFORNIA
PL-02667-04
December 14, 2017 3
Summary of Laboratory Test Results Caltrans Standard Specifications
Section 26 Class 2 Aggregate Base Recycled Aggregate Materials Company - Escondido, California
Delivered on November 8, 2017
F) Maximum Density- Optimum Moisture (ASTM D-1557)
Sample Description
Class II Aggregate Base*
Maximum Density
120.5 PCF
Optimum Moisture
13.4 %
PL-02667-04
*Note: This product contains crushed recycled asphalt concrete. A bias is required for all nuclear density tests to adjust the tested dry density results to reflect actual in-place densities.
EARTH SYSTEMS SOUTHERN CALIFORNIA
130.0 -
129.0
128.0
127.0
126.0
- 125.0 ~ u 124.0 ll. ->4 123.0 -~ -00. z 122.0 i:-.:l ~ 121.0 >4 ~ ~ 120.0
119.0
118.0
117.0
116.0
115.0
_ ) i !
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--+--+-1--1--1--+----.- ---+---,I _J _,I _ _,__,__.,__,
f " t 1- -I I I --+---+---__,:-+ ·- ~· __ , ! , J T ·-· /-~ i---~ ~: ~- +- t' I ~~ .• _1 - T
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-+-
--·- t-
T
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
MOISTURE CONTENT (%)
Maximum Density - Optimum Moisture Characteristics*
Sample Location : Sample Delivered on November 8, 2017 MAXIMUM DENSITY - OPTIMUM MOISTURE
Material: Caltrans Class 2 Aggregate Base
Maximum Density (pct): 120.5
Optimum Moisture: 13.4%
* Test Method: ASTM D-1557
RAMCO - Escondido
Escondido, California
~ Earth Systems ~ Southern California
12/1 4/2017 PL-02667-04
December 14, 2017 PL-02667-04
EXUDATION PRESSURE CHART
100
80 I
Q) ::J
60 ro > I 40 0::::
20
0 800 700 600 500 400 300 200 100
Exudation Pressure
EXPANSION PRESSURE CHART
2.00 .., -.... .., Q) - 1.50 -Q) ,,r
E .., .Q
.,,.. il 1.00 -ro ,,r - .., en ~
>, .., .0 :;:;- 0.50 rn LL .., (/) ..__., -Q) -c ~ 0.00
..,
-~ 0.00 0.50 1.00 1.50 2.00 ..c I-.... Q) Cover Thickness by Expansion Pressure (Ft) > 0
(.)
JOB NAME: RAMCO - Escondido SAMPLE I. D.: Sample Delivered on November 8, 2017 SOIL DESCRIPTION: Caltrans Class 2 Aggregate Base
SPECIMEN NUMBER A B c EXUDATION PRESSURE 757 376 260
RESISTANCE VALUE 87 85 83 EXPANSION DIAL(0.0001") 0 0 0
EXPANSION PRESSURE (PSF) 0.0 0.0 0.0 % MOISTURE AT TEST 8.9 9.3 9.8 DRY DENSITY AT TEST 116.9 119.1 113.8
R-VALUE@ 300 PSI EXUDATION I 84 R-VALUE by Expansion Pressure*:===1=0=0===
*Based on a Traffic Index of 5. 0 and a Gravel Factor of 1. 70
EARTH SYSTEMS SOUTHERN CALIFORNIA