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EXOMBIT A Attachment A 1. Recommendations for reduction of suspected biological gro:vth on surfaces are: • Rernoval of all existing ductwork from the attic space, A/C units in attic.to remain in place or abandoned. Remove all ceiling A/C grills with moisture'resistant gypsum board where duct system penetrations are removed. o Replacement of attic access panels with insulated access panes. • Adjust'the soffit height around the counter area to a height of approximately a feet from the floor. ;The current soffit is 24" and is recommended to be cut clown to 8" from the ceiling level.) Remove all visible mold drr.vall.and replace in bar area and high moisture areas identified in Wood report. • InsW(adealuate exhaust in the restroom areas. • Increase the insulation value in the attic space to R-38 • Provide baffies.at the eave tine to restrict insulation from blocking:the exterior soffit vertilation space. • Replace the so`fit ventilation opening registers with a screened unit having greater than 40 percent free area. • Repaint/replace drywall in bathrooms affected by visible growth with an epoxy -based paint. Recommendations for reducing the moisture in the front mood wall under the window unit • Provide a continuous layer of insulation on the outside of the wood framing below the window unit; sealed to the :vapor barrier. Replace T-111 with neva beveled hardiboard siding. • Provide a moisturelvapor impermeable cover, likely metal or fiberglass, to the assembly below the window; unit and seal the cover to the masonry. 3. Recommendations for other areas to help with moisture intrusion: • Provide a moisture/vapor barrier between the wood and masonry units_ • Provide a moisture.'vaper barrier betv.een the voindow un'.'t and the. wood perimeter frame_ • Rest doors and weather stripping to provide an effective weather seal. • Protide a stoned maintenance area adjacent to the wall surfaces with the bottom of the stone being be;ow the bottom of the irtericr slab elevation. This will allow for proper drainage and run off from the roof and condensing units. Recommend this to be approximately 12' deep and a minimum of ;our feet from the vrall edce out. 4. Additional recommendations for HVAC system not previously mentioned above include: • HVAC equipment replacement - Provide new PTAC units in lieu of the ductless split systems currently used. Remove wall units_ PTAC units shall provide outdoor"air into the system (the unit would install under the front window of the room and is a self-contained unit).. • Replace w-isidov.,5 in all villa rooms vAth new impact rated, single-harA windows. RR