10.04.2013 Views

Complete Compiled Specification.pdf - Peck Ormsby Construction

Complete Compiled Specification.pdf - Peck Ormsby Construction

Complete Compiled Specification.pdf - Peck Ormsby Construction

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

2) "SBR Latex," Euclid Chemical Co.<br />

3) "Daraweld C," W.R. Grace & Co.<br />

4) "Everbond," L & M <strong>Construction</strong> Chemicals, Inc.<br />

5) "Acryl-Set," Master Builders, Inc.<br />

6) "Intralok," W.R. Meadows, Inc.<br />

7) "Sonocrete," BASF<br />

H. Epoxy Adhesive: ASTM C 881, two-component material suitable for use on dry or damp<br />

surfaces. Provide material "Type", "Grade", and "Class" to suite project requirements.<br />

1. Available Products: Subject to compliance with requirements, products which may<br />

be incorporated in the work include, but are not limited to the following:<br />

a. "Euco Epoxy System #452 or #620" Euclid Chem. Co.<br />

b. "Epabond," L&M <strong>Construction</strong> Chemicals, Inc.<br />

c. "Concresive 1001," Master Builders, Inc.<br />

d. "Sikudur 32 Hi-Mod," Sika Corp.<br />

I. Sand Cushion: Clean, manufactured or natural sand.<br />

J. Vapor Retarder: Provide vapor retarder cover over prepared base material where indicated<br />

below slabs on grade. Use only materials that are resistant to deterioration when tested in<br />

accordance with ASTM E 154, as follows:<br />

1. Water-resistant barrier consisting of heavy Kraft papers laminated together with<br />

glass-fiber reinforcement and overcoated with black polyethylene on each side.<br />

a. Available Product: "Moistop," Fortifiber Corp.<br />

2. Vapor Retarder Joint Tape shall be 3M #890 or approved equal glass filament<br />

acetate tape.<br />

2.05 PROPORTIONING AND DESIGN MIXES<br />

A. Contractor is to prepare design mixes for each strength of concrete by either laboratory trial<br />

batch or field experience methods as specified in ACI 301. Use an independent testing<br />

facility for preparing and reporting proposed mix designs.<br />

B. Provide concrete strengths as follows:<br />

1. Footings and Poured-In-Place Foundation Walls: 3,000 psi<br />

2. Exterior Slabs On Grade: 4,000 psi<br />

3. All Other Poured-In-Place Concrete: 3,000 psi<br />

4. Interior Slab on Grade: 4,000 psi<br />

5. Maximum water to cement ratio shall not exceed 0.53 for all concrete.<br />

C. Cement Content:<br />

1. 3000 psi: 480 pounds per cubic yard<br />

2. 4000 psi: 560 pounds per cubic yard<br />

2.06 ADMIXTURES<br />

A. Use water-reducing admixture or high-range water-reducing admixture (Superplasticizer) in<br />

concrete as required for placement and workability.<br />

B. Use non-chloride accelerating admixture in concrete slabs placed at ambient temperatures<br />

below 50 deg F (10 deg C).<br />

C. High-Range Water-Reducing Admixture: Use in all pumped concrete, and interior and<br />

exterior slabs on grade, in strict compliance with manufacturer's directions.<br />

SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION MARCH 2, 2009<br />

CONCRETE WORK 03300 - 5

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!