• ASTM F 150: Electrical Resistance.
  • ASTM E 84: Surface Burning Characteristics of Building Materials.
  • ASTM E 648: Critical Radiant Flux of Floor Covering Systems.
  • ASTM E 662: Smoke Generation Characteristics of Solid Materials.
  • NFPA 101: Life Safety Code.
  • ANSI/ ASTM FISCO: Test method code for fixed electrical resistance of conductive resilient flooring. RETAIN PARAGRAPHS G AND H FOR CONDUCTIVE FLOORING
  • ANSI/ UL 779: Electrically Conductive Floorings.
  • NFPA 99: Standard for Health Care Facilities.
  • Provide manufacturer's warranty under provisions of Section [01700.] [01740.]
  • Warranty: Include one year warranty that products are free from defects in materials and workmanship. Include five-year warranty for electrical resistance.

    Acceptable Manufacturers
  • VPI, LLC
    Floor Covering Materials
  • Conductive Resilient floor Tile: electrical resistance, 25,000-1,000,000 ohms; [FS SS-T-312B, Type III] VPI Conductile; [12 x 12 inch] [36 x 36 inch square edge] [36 x 36 inch pregrooved] x 1/8 inch thick; color and pattern [selected.] [scheduled.]
  • Static Dissipative Resilient floor Tile: Electrical resistance, floor to ground -- 1,000,000 - 100,000,000 ohms; [FS SS-T-312B, Type III] VPI Statmate; [12 x 12 inch] [36 x 36 inch square edge] [36 x 36 inch pre-grooved] x 1/8 inch thick; color and pattern [selected.] [scheduled]
  • Access Floor panels, 24" square.
    Manufacturing Tolerances
  • Micro-squared 12 x 12 inch tile to plus or minus 0.002 inch; cut vertical edges perpendicular to tile surface.
  • Precision control gauge to assure smooth surface with no high edges.
  • Flooring Adhesives: VPI No. 150 Conductive Epoxy Adhesive as provided by flooring manufacturer for specific use.
    Source Quality Control
  • Test each individual tile for electrical resistance before packaging.
  • Test each batch of conductive adhesive for electrical resistance before shipment.

  • Verify that [stranded ground wire is in place at floor-wall juncture, and is properly connected to ground.] [steel column in area is suitable for grounding.] CONSULT WITH MANUFACTURER FOR PRECAUTIONS WHEN SUBSTRATE IS LIGHTWEIGHT AGGREGATE CONCRETE, MAGNESITE FLOORING, OR FOR BELOW-GRADE CONDITIONS.
  • Verify that concrete subfloors on or below-grade are installed over a suitable moisture retardant membrane.
  • Ensure concrete floors are dry and exhibit neutral alkalinity, carbonization, or dusting. Maximum moisture emission: Three lb./1000 sq. ft./24 hours. MOISTURE TEST KITS ARE AVAILABLE; MOISTURE TESTS ARE RECOMMENDED.
  • Ensure floor surfaces are smooth and flat with maximum variation of 1/8 inch in 10 feet.
  • Ensure floor surfaces are clean and free from dust, paint, oil, grease, curing agents, parting compounds, surface hardeners, sealers, solvents, old adhesives, and other extraneous substances.
  • Beginning of installation means acceptance of surfaces and conditions.
  • Install flooring in accordance with manufacturer's printed instructions.
  • Connect copper grounding strip provided by flooring manufacturer to stranded ground wire; cut small recess into wall or floor and place grounding strip and ground wire into hole; bury connection in conductive adhesive filled to floor level or wall surface. OR
  • Drill and tap steel column; connect grounding strip to column in accordance with manufacturer's instructions.
  • Lay balance of grounding strip flat in conductive adhesive on floor and cover with additional adhesive. Install flooring over grounding strip.
    Field Quality Control
  • Test completed installation by factory representative in presence of Architect and Owner, in accordance with the test procedures of NFPA 99 or ANSI/ASTM F 150.
  • Prohibit traffic on finished floor for 48 hours after installation.
  • Remove excess adhesive from floor, base, and wall surfaces without damage, while adhesive is still wet.
  • Clean floor and base surfaces in accordance with manufacturer's instructions.