12.07.2015 Views

DIVISION 1 - GENERAL REQUIREMENTS - IDEAS-EC

DIVISION 1 - GENERAL REQUIREMENTS - IDEAS-EC

DIVISION 1 - GENERAL REQUIREMENTS - IDEAS-EC

SHOW MORE
SHOW LESS

Create successful ePaper yourself

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

F. Protect all equipment and previously painted surfaces. Protect brick and stone masonryindicated to be unpainted.G. Work each application of material into corners, crevices, joints and other difficult towork areas, and distribute evenly over flat surfaces.H. Allow coated surfaces to cure prior to allowing traffic or other work to proceed whichmight damage finished surface.I. Have spraying operation conform to following procedures:1. Have spray equipment to be used for each application of particular coatingavailable for inspection.2. Place operative moisture trap between air supply source and applicationequipment. Bleed water continuously from moisture trap.3. Ensure air source is sufficient to provide continuous volume of 20 CFM air ateach gun nozzle at 80 psi for applying coatings by conventional spray technique.When coatings are applied by airless spray technique, ensure input pressure topump is such to produce uniform spray patterns.4. For spraying applications, provide regulators and gauges in good working orderon both air and material lines. Use operating pressures compatible for particularpaint.5. Keep dry overspray to minimum.6. Spray nozzle to be a minimum of 8 inches to a maximum of 18 inches fromsubstrate during application of paint.J. Do not paint when surface temperature being painted is less than 5°F above dew point,relative humidity is greater than 85 percent, wind velocity is above 15 mph, and surfacetemperature is less than 50°F or greater than 140°F unless precautions accepted byContracting Officer are taken. Provide adequate ventilation and keep temperatureconstant to prevent condensation.K. Paint coats are intended to cover surfaces to mil thickness specified. If surfaces are notcovered adequately by this thickness, apply additional coats as required at no additionalexpense to the Government.L. Brush out immediately runs or sags, or remove and recoat entire surface.M. Brush or spray bolts, welds, sharp edges and difficult access areas with primer prior toprimer spray application.N. Apply zinc-rich primers under continuous agitation.O. Clean equipment at completion of each painting operation while material is still wet oruncured. Flush fluid hoses and guns at completion of each painting operation.P. Maintain current schedule showing when work or respective coats of paint in variousareas is to be completed.09900-611/07 PAINTING

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

Saved successfully!

Ooh no, something went wrong!