HomeMy WebLinkAbout2024.04.10 - Reclaimed Materials for Construction HANCOCK
ASSOCIATES
Amy Maxner
Conservation Administrator
Town of North Andover
120 Main Street
North Andover, MA 01845
RE: Home Grown Lacrosse—Reclaimed materials for construction fill
Dear Ms. Maxner
On behalf of Home Grown Lacrosse and C.P. Berry Homes, Hancock Associates has been asked
to investigate the use of reclaimed material as sub-base material within the building footprint of the
proposed athletic facility at to be constructed at 492 Sutton Street, North Andover, MA. On April 10,
2024 Hancock received a sample of the proposed material from the supplier, J. Tropeano, QC, and
observed the source materials used in the manufacturing of the reclaimed material. The material consists
of mostly recycled concrete and asphaltic materials and is rated as MHD M.1.03.0 Gravel Borrow (type
B)per MassDOT standard specifications. A grainsize distribution report was also provided to Hancock
(attached herein)prepared by Miller Engineering & Testing, Inc., which confirms the particle size
distribution of the proposed material is within the specification limits of MHD M.1.03.0 Gravel Barrow.
Concern was raised over the use of this material due to the content of reclaimed concrete and the
possible migration of fine grain particles through the water table and stormwater management practices.
The reclaimed materials were selected based on their availability and proximity to the site providing a
cost effective way to raise the grade of the site. The purpose of raising the site in this way is to provide
adequate separation from the water table as evidence of high groundwater was observed to be
approximately two feet below the existing grade at the time of testing (7/23/2023). The reclaimed
materials are proposed only under the footprint of the building where it will be protected from rain
infiltrating through and thus eliminating the possibility of fines migration. The remainder of the site is
proposed as a porous pavement parking lot which will not include any reclaimed material within its
cross section and will overlay only native undisturbed soils to allow for infiltration. Due to the design of
the site; not discharging towards any wetlands and being raised approximately 3-4 feet above the
existing grade (5-6 feet above observed high groundwater), the likelihood of the proposed reclaimed
materials having a detrimental impact on groundwater and stormwater is minimal.
Attachments:
1. Material Photographs
2. Grainsize Distribution Report
Please reach out to this office with any additional questions or concerns.
Brian Geaudreau, P.E.
34 Chelmsford Street, 2nd Floor Chelmsford, IAA 01824 V. 978-244-0110 F:97 -244-1133 ( P IancockAssociates.com
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GRAINSIZE DISTRIBUTION REPORT - AGGREGATE GRADING
G G C C C G O O O O O O V O
100 MHD M1.03.0 Gravel Borrow(Tvoe 6 0
90 10
80 I I I I I I
I\ I I I I 20
0 70 30
I I \ I I I I
so I I I I I I M
7- 1 40 n
m
Z 50 \ 50
I I I I I I I I I I I I I
U_
Z 40 60
w I I I I I I I m U
�
a 30 I I I I I 70
20 80
10 90
0 100
1000 100 10 1 0.1 0.01 0.001
GRAIN SIZE -mm.
%+3" %Gravel %Sand %Fines
Coarse Fine Coarsel Medium Fine Silt Clay
0 22 34 11 17 11 5
SIEVE SIZE PERCENT SPEC.* PASS? Soil Description
OR DIAMETER FINER PERCENT (X=NO) RECLAIMED MATERIAL.
3" 100 100
2" 99
1.5" 94
1" 84 PL- Aft rberg Limits PI-
3/4" 78
1/2" 66 50-85 Coefficients
3/8 59 D90= 31.7626 D85= 26.4087 D60= 10.0090
#4 44 40-75 D50= 6.4345 D30= 1.5287 D15= 0.3922
#10 33 D10= 0.2058 Cu= 48.63 Cc= 1.13
#20 23
#40 16 Classification
#50 13 8-28 USCS= GW AASHTO=
#60 11 Remarks
#80 9
#100 8
#200 4.8 0-10
MHD M1.03.0 Gravel Borrow(Type B)
Source of Sample: PROCESSED ON SITE
Sample Number: L23416 Date: 11-20-23
Client:
MILLER ENGINEERING&TESTING,INC. Project: J.TROPEANO,QC
49
Project No: 23.131.OH Figure L23416
Tested By: DM NL
COMPACTION TEST REPORT for Curve No. L23416
135
134
133
U
Q
9,
.N
C
N
a
132
131
-Ifl
ZAV for
Sp.G. _
130 2.60
4 5 6 7 8 9 10
Water content, %
Test specification: AASHTO T 99-21 Method D Standard
AASHTO T 99/T 180 Annex A Oversize Corr. Applied to Each Test Point
Elev/ Classification Nat. off, > %<
Depth USCS AASHTO Moist. Sp.G. LL PI
3/4 in. No.200
GW 22 4.8
ROCK CORRECTED TEST RESULTS MATERIAL DESCRIPTION
Maximum dry density= 133.0 pcf RECLAIMED MATERIAL.
Optimum moisture = 7.7 %
Project No. 23.131.01-1 Client: Remarks:
Project: J.TROPEANO,QC
Date: 11-21-23
o Source of Sample: PROCESSED ON SITE Sample Number: L23416
MILLER ENGINEERING&TESTING,INC.
Figure L23416