Specifications include, but are not limited to: EXTERIOR CLEANING 5.2.1 Clean all surface areas using high-pressure washer and chemicals to remove surface dirt and stains (include any vinyl siding) (Do not paint vinyl siding). 5.2.2 Cleaning chemicals should be non-toxic to plants. OVERSPRAY 5.3.1 The contractor shall take necessary precautions to prevent overspray from damaging automobiles or other equipment in the area. CAULKING 5.4.1 Remove any loose caulking on all exterior surfaces, expansion joints, around windows, and any other existing caulking on the exterior of the buildings. 5.4.2 Re-caulk buildings using a urethane-type caulking. Color to be selected by MSH. SURFACE PREPARATION 5.5.1 All surfaces to be painted are to be clean, dry and free from grease and dust. 5.5.2 If efflorescence (a white powdery or crust-like deposit on the surface) occurs, remove the loose paint by thorough brushing and/or scraping and washing with TSP. Inspect for any visible damage done to the surface. 5.5.3 In areas where mildew and/or algae growth are evident, carefully wash with a mild bleach solution, rinse with plenty of water and allow to dry. 5.5.4 Areas of loose or damaged paint may be removed by the use of power wire brushes, paint scrapers, putty knives or sand paper. CRACKS AND IMPERFECTIONS 5.6.1 Repair all cracks and imperfections to match existing surface. 5.6.2 Cracks more than 1/8” and less than ¼” shall be repaired using a high quality acrylic or silicone caulk. 5.6.3 Cracks larger than ¼” shall be brought to the attention of the project manager for discussion and direction.