specs

PART 2 - PRODUCTS
Section 03300
Page 3
2.01. ENVIRONMENTALLY PREFERABLE PRODUCTS
A. To the greatest extent possible, provide products and materials that promote stewardship of the earth's
resources, promote good indoor environmental quality (IEQ), and promote efficiencies in operational
performance.
B. Provide products listed on the EPA Comprehensive Procurement Guidelines to the greatest extent practicable.
C. Provide products listed on the USGBC Directory of Products and Services to the greatest extent possible.
2.02. RECYCLED CONTENT
A. Provide material with maximum amount of recycled content available that achieves performance requirements
of this Section.
2.03. REGIONAL MATERIALS
A. Provide material with maximum amount of regional (within 500 miles) material feasible that achieves
performance requirements of this Section.
2.04. MATERIALS
A. Portland cement: shall be Type I, II or III Portland Cement and meet the requirements of ASTM C150.
B. Fine aggregate: conform to applicable requirements of ASTM C33, natural bank or river sand, washed and
screened, consisting of hard, durable, uncoated particles free of deleterious matter, and graded from coarse to
fine to produce a minimum percentage of voids.
C. Coarse aggregate: conform to applicable requirements of ASTM C33, gravel or crushed stone, suitably
processed, washed and screened; consisting of hard, durable particles without adherent coatings.
D. Coarse aggregate for lightweight concrete: conform to ASTM C330, expanded clay or shale, producing a
minimum split cylinder ratio of 5.0.
E. Water: shall be clear, potable, city water free of all substances which would be harmful to the concrete.
2.05. ADMIXTURES
A. Air-entraining agent: conform to ASTM C260 and CRD C-13.
B. Water-reducing, set-controlling admixture: conform to ASTM C494, Type A (water-reducing), Type D (waterreducing
and retarding) and Type E (water-reducing, accelerating); conform to ASTM C1017 for concrete to
be pumped.
C. Calcium chloride thiocyanates or admixture containing more than 0.05 percent chloride ions shall not be
permitted in concrete mixtures.
D. Fly Ash: conform to ASTM C618, carbon content not greater than 3% by volume.
E. Superplasticizer: Daracem 100, as manufactured by W.R. Grace & Co.
F. Admixtures containing chlorides shall not be used in concrete to be poured on metal floor deck.
2.06. CURING AND FINISHING PRODUCTS
A. Liquid Curing Compound
1. Conform to ASTM C309, Types 1 and 1D, Class B, water based.
2. Meet federal and state AIM regulations.
3. Zero or Low VOC.
4. Shall be dissipating resin type, which chemically breaks down after approximately eight (8) weeks.
5. Shall not inhibit bonding of flooring adhesives.
6. Shall not inhibit bond breaker, where applicable.
7. Sodium silicates prohibited.
8. Use on all interior slabs to receive subsequent floor coverings.
B. Curing and Sealing Compounds:
1. Conform to ASTM C1315, Type 1, Class B.
2. Minimum 25 percent solids by volume.
3. Moisture loss shall be not more than 0.30 Kg/M 2 when applied at 300 square feet per gallon.
4. Meet federal and state AIM regulations.
5. Zero or Low VOC.
C. Evaporation Retardant:
1. Shall be a thin, continuous film which prevents rapid moisture loss from the concrete surface.
NAPA CENTURY CENTER XD 12
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