• Objective: To clean, prepare, repair, and apply two coats of solid color stain on various exterior redwood surfaces, ensuring structural integrity and aesthetic appeal. • Preparation and Safety Setup Safety Compliance: Install all necessary safety equipment, including anchor points in critical areas to ensure OSHA compliance on rooftops and surrounding areas. • Site Preparation: Conduct a site-specific safety meeting, remove any movable obstacles, and cover immovable fixtures to protect them from damage. Set up fuel baffles for boom lifts and place plywood on concrete sidewalks for boom lift access. • Surface Cleaning and Preparation Cleaning Solution: Mix trisodium phosphate (TSP) and bleach for cleaning all targeted surfaces. • Scrubbing: Use stiff bristle brushes to thoroughly remove mildew, glazing, or weathering, focusing on north-facing areas with significant growth that may require two cleaning cycles. • Power Washing: Rinse surfaces using a power washer set between 500 to 800 PSI. • Moisture Check: Ensure the wood’s moisture content is below 18% with a moisture meter. Sanding and Priming: Sand bare wood blemishes using 80 to 100 grit sandpaper and apply spot primer to raw wood spots. • Masking and Protection Masking: Cover all prefinished items and non-targeted areas to protect them from overspray and drips. • Staining Application Primary Coat: Apply the first coat of PPG Sikkens premium solid wood mat finish stain using brushes and rollers per PDCA standards. • Second Coat: Once the first coat has dried, roll and brush the second coat to enhance durability and finish. • Additional Steps Metal Doors: Prep, prime, and double coat the exterior side of existing metal doors with PPG's Pittech 4020 and Pittech 4216. • Wood-Sashed Doors: Sand, clean, and brighten wood-sashed doors for an even finish. • Areas to be Stained Redwood lattice, horizontal, bevel, lap, and vertical shiplap siding Exterior and continuous soffits Exterior redwood trim, corbels, and trellis. • Inspection and Repairs Rot Inspection: Inspect the entire building for wood rot. • Repairs: Use liquid rot repair solutions for minor damage. For extensive damage requiring siding or lattice replacement, notify the owner and provide an estimate for approval before proceeding. • Compliance and Quality Assurance Wage Compliance: Comply with prevailing wage determination HUM 2024-1. • Quality Standards: Adhere to PDCA standards for brushing and rolling techniques, ensuring consistent application and finish. • Project Timeline Start Date: Summer 2025 End Date: Fall 2025. • Daily Cleanup and Final Touches Maintain a clean and orderly site daily, with additional services including window and gutter cleaning upon project completion. • Equipment such as lifts and scaffolding may be stored on-site during the weekends in designated areas only due to rentals of the facility.
