Complete Compiled Specification.pdf - Peck Ormsby Construction

E. Epoxy Bonding Adhesive: ASTM C 881, two-component epoxy resin, capable of
humid curing and bonding to damp surfaces, of class suitable for application
temperature and of grade to requirements, and as follows:
1. Types I and II, non-load bearing and types IV and V, load bearing, for bonding
hardened or freshly mixed concrete to hardened concrete.
F. Chemical Surface Retarder: Water-soluble, liquid-set retarder with color dye, for
horizontal concrete surface application, capable of temporarily delaying final hardening
of concrete to a depth of 1/8 to 1/4 inch.
G. Pigmented Mineral Dry-Shake Hardener: Factory-packaged dry combination of
portland cement, graded quartz aggregate, color pigments, and plasticizing admixture.
Use color pigments that are finely ground, nonfading mineral oxides interground with
cement.
1. Color: Match Architect's/Engineer’s sample or as selected by Architect/Engineer
from manufacturer's full range.
H. Rock Salt: Sodium chloride crystals, kiln dried, coarse gradation with 100 percent
passing 3/8-inch sieve and 85 percent retained on a No. 8 sieve.
2.7 PAVEMENT MARKINGS
A. Pavement-Marking Paint: Alkyd-resin type, lead and chromate free, ready mixed,
complying with FS TT-P-115, Type I or II or AASHTO M 248, Type N or F.
1. Color: White, Yellow, Blue.
B. Pavement-Marking Paint: Latex, waterborne emulsion, lead and chromate free, ready
mixed, complying with FS TT-P-1952, with drying time of less than 45 minutes.
1. Color: White, Yellow, Blue.
C. Glass Beads: AASHTO M 247, Type 1.
2.8 CONCRETE MIXTURES
A. Prepare design mixtures, proportioned according to ACI 301, for each type and
strength of normal-weight concrete determined by either laboratory trial mixes or field
experience.
1. Use a qualified independent testing agency for preparing and reporting proposed
concrete mixture designs for the trial batch method.
B. Proportion mixtures to provide normal-weight concrete with the following properties:
1. Compressive Strength (28 Days): 4000 psi
2. Maximum Water-Cementitious Materials Ratio at Point of Placement: 0.45
3. Select slump limit from options in subparagraph below or revise to suit Project.
4. Slump Limit: 4 inches, plus or minus 1 inch.
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION
CONCRETE PAVING
MARCH 2, 2009
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