Specifications include, but are not limited to: Duct Work Cleaning: • HEPA filtered negative air equipment used shall be portable and sized to easily enter all areas of the building. The air duct cleaning collection equipment shall be high-powered negative air vacuum systems with the final filtration stage HEPA filters. The ductwork shall be cleaned one section at a time. A critical barrier shall be constructed in the ductwork to isolate a section of ductwork to be cleaned. A ten (10) inch diameter vacuum hose shall be attached to the ductwork from the negative air vacuum unit to create a negative pressure in the ductwork relative to the occupied areas of the building. A mechanical, rotating brush shall be moved through theductwork to dislodge dirt and debris from the top, sides and lower surfaces of the ductwork. The loosened debris is then simultaneously collected in the attached negative aircollection vacuum.; • All galvanized air supply, air return, and outside ductwork shall be cleaned to remove alt dust, dirt and debris.; • All rigid fiberboard and interior fiberglass lined air ductwork shall be cleaned to remove alldust, dirt and debris. The exposed fiberglass surfaces shall then be coated with an EPA registered antimicrobial protective coating applied with airless spray paint equipment.; • Where applicable, fresh air intake ductwork and dampers where dirt has accumulated shallbe vacuumed and sanitized with air duct sanitizer.; • Where applicable, FIRE AND SMOKE AIR DUCT DETECTOR SENSORS located in supply or return air ductwork shall be covered to prevent fire alarm activation and damage. This shall be performed any time ductwork or air handling units are being vacuumed, sanitized or sprayed with antimicrobial coating. All covers shall be removed at the end of the day to prevent interference with the operation of the fire alarm system.; • Reheat coils shall be vacuumed, cleaned with coil cleaner and rinsed with clean water to return the coil to proper air flowfunction.; • Where applicable electric duct heaters located in the ductwork at the discharge of the air handling units shall be HEPA vacuumed.; • Any return air grille, exhaust air grille or supply air diffuser shall be removedand thoroughly cleaned. After cleaning and drying, the grille or diffuser shall be reinstalled.; • All electrical equipment used by technicians shall be plugged into extension cords that have ground fault interrupter boxes. Contractor shall insure that all OSHA and EPA requirements that are applicable to this type of project are fully followed. Contractor shall be responsible forproper disposal of any hazardous materials, residue or rinse materials in accordance with all applicable local, state and federal regulations.; • Contractor ensures the building owners that all our employees have been trained in the hazards associated with the microbial and chemical exposures that may occur on this project and that Contractor has fully ascertained those potential hazards and provided appropriate personal protection and work procedures to minimize these exposures for our employees.; • In addition, Contractor agrees to be responsible for providing and requiring the wearing of NIOSH approved N95 half mask respirator that meets 42CFR84 requirements. The filters are equipped with a 95% efficient filter and shall be worn always while working inside air handling units and ductwork.; • Material Safety Data Sheets (MSDS) information and manufacture information forms are provided as part of this Scope of Work. Only products and materials described in this Scope of Work shall be used in the cleaning and decontamination procedures.
