Charles D. Baker, Governor
Karyn E. Polito. Lieutenant Governor
Stephanie Pollack. Secretary & CEO
Thomas Tinlin. Acting Administrator
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:ighway Division
May 8, 201S
Mr. Kenn Hansen
Quality Control
Boro Sand & Stone Corp.
192 Plain Street
North Attleboro, MA 02760
Dear Sir,
The following cement concrete mix design submittals have been reviewed by this section and are
approved as specified below, subject to performance at the plant, on the project or in the laboratory. Any
changes will require new mix design submittals and trial batches.
Approved Plant Location:
BORO SAND AND STONE - NORTH ATTLEBORO, MA
Approved Cementitious & Mitigating Materials:
CI: TYPE I I II HOLCIM - HOLLY HILL, SC; FA I: TYPE F HEADWATERS RESOURCES ­
SOMERSET, MA; SF: GRACE FORCE 10,000 D - CAMBRIDGE, MA
Approved Aggregates:
FINE 1: BORO SAND AND STONE - NORTH ATTLEBORO, MA; 3/8" I: BORO SAND AND
STONE- NORTH ATTLEBORO, MA; 3/4"1: BORO SAND AND STONE- NORTH ATTLEBORO,
MA; l .S" 1: BORO SAND AND STONE - NORTH ATTLEBORO, MA
Approved Admixtures:
ADI: TYPE C260 W.R. GRACE- DAREX II AEA; AD3: TYPE A,D W.R. GRACE - WRDA 20;
AD4: TYPE A,F W.R. GRACE - ADVA 140 (M); ADS: TYPE CW. R. GRACE - DCI S
Approved Mix Designs:
I.) 4000PSI;3/4";Cl: 611 LBS.;FAI: IS2LBS.;ADI: 7.60Z.;AD3: 230Z. 2.) 4000 PSI; l.S"; Cl: 611 LBS.; FAI: 1S2 LBS.; ADI: 2.3 OZ.; AD3: 23 OZ.; AD4: 30 OZ. 3.) 4000 PSI; 314"; Cl: 433 LBS.; FA!: 117 LBS.; SF: 3S LBS.; ADI: 3.8 OZ.; AD3: 17.S OZ.; AD4: 23.4 OZ.; ADS: 384 OZ. Leading the Nation in Transportation Excellence
Four Hundred D Street, Boston, MA 02110
Tel: 617-951-0590, TDD: 617-973-7306
www.mass.gov/massdot
4.) SOOO PSI; 3/4"; Cl: SOO LBS. ; FAl: 137 LBS.; SF: 48 LBS.; ADI: S.4 OZ. ; AD3: 20.6 OZ.;
AD4: 27.4 OZ.; ADS: 384 OZ.
S.) SOOO PSI; 3/8"; Cl: S20 LBS. ; FAl: 142 LBS.; SF: 48 LBS.; ADI: 3.1 OZ.; AD3: 21.3 OZ. ;
AD4: 3S.S OZ.; ADS: 384 OZ.
6.) ; CDF; Cl: 100 LBS.
~~ii~'
RFM/na/wk
Attachments
C: District S Materials Engineer
R&M Job File
Director of Research and Materials