Globe High School
Job Description
Previous painted or coated exterior concrete walls, stucco walls, CMU walls, concrete columns, metal canopies are to be first power washed using the minimum of 2,000 to 2,500 PSI at the flow of 4 to 14 gallons per minute per NACE Standard RP-01-72. Water Blasting to remove oil, grease, loose paint, mill scale, dirt, foreign matter, rust, mold, mildew, mortar, efflorescence, and sealers to assure sound bonding to the tightly adhering old paint.
After power washing is complete and surfaces have dried, repair to the exterior concrete walls, stucco walls, CMU walls, and concrete columns is to be completed.
Concrete walls, stucco walls, and concrete columns are to be repaired with Dap ElastoPatch Flexible Patching Compound or Comex Texturi. Areas must match the original texture and shape as close as possible.
After power washing and repairs are complete and dry, concrete walls, stucco walls, CMU walls, and concrete columns are to be spot primed where necessary in Dunn Edwards Eff-Stop Select Primer at 5.4 mills wet or 2.0 mills dry film thickness.
After spot priming is completed and dried, exterior concrete walls, stucco walls, CMU walls, and concrete columns are to be top coated in Dunn Edwards Evershield Flat in the color as selected at 3.8 mills wet or 1.5 mills dry film thickness.
Hollow metal doors, hollow metal door frames, and steel I-beams are to be hand tool cleaned per SSPC-SP2 standard. Removing all loose mill scales, loose rust, and all other detrimental foreign matter. It is not intended that adherent mill scale, rust, and paint to be removed by this process. Mill scales, rust, and paint are to be considered adherent if they cannot be removed by lifting with a dull putty knife. Before hand tool cleaning, remove all grease, oil and salts by power washing.
After hollow metal doors, hollow metal door frames, and steel I-beams have been prepped and cleaned, hollow metal doors, hollow metal door frames, and steel I-beams are to be spot primed were necessary in Dunn Edwards Bloc-Rust Primer at 4.9 mill wet and 2.0 mill dry film thickness.
After spot priming is completed and dry, hollow metal doors, hollow metal door frames, and steel I-beams are to be top coated in Dunn Edwards Evershield Semi-Gloss in the color as selected at 3.8 mills wet or 1.5 mills dry film thickness.