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be mounted on the roof top and will be screened with metal panels. Live plantings will be installed to screen cooler. • 3. East facade A. Install new 20' x 55' cooler structure. The cooler walls are flat, metal panels that will be painted to match the new color scheme of the building. Mechanicals will be mounted on the roof top and will be screened with metal panels. Live plantings will be installed to screen cooler. B. Install new opening on east wall. New door will be a full glass, double door. C. Not under review, per August 12, 2016 memo from Brett Hummer, HPC Legal (former): A paved 8 parking lot will transform the grassy lot. New concrete and permeable paver walks will be installed. South (rear) fagade A. Replace two south facing overhead doors with new full glass panel aluminum with bronze finish, overhead doors. Replace two east/west facing overhead doors with new solid aluminum with bronze finish, overhead doors, to match existing profile as closely as possible. B. Replace two south facing man doors with new full glass panel hollow metal steel. C. Although previously approved for demolition, the 5,000 sq.ft., 1924 addition is scheduled to be retained although it requires a significant number of repairs. A new gabled roof is proposed to replace the deteriorated flat roof. Roof material will either be metal or asphalt rolled roofing. Siding material in gabled ends will either be sheet metal, cedar, or cement board installed with buttjoining. SITE VISIT REPORT: n/a STANDARDS AND GUIDELINES, GROUP B: A. Maintenance The maintenance of any historical structure or site shall in no way involve any direct physical change except for the general cleaning and upkeep of the landmark. The Commission shall encourage the proper maintenance of all structure or sites. . B. Treatment Treatment shall be defined as any change of surface materials that will not alter the style or original form. Such improvements include re -roofing, glazing, or landscaping lawns and may involve a change that can potentially enhance or detract from the character of the landmark. A treatment change of any surface whether on the landmark or in its environment may require a Certificate of Appropriateness if it significantly alters the appearance of the landmark. Although these kinds of changes may not require a Building Permit, a Certificate of Appropriateness may be necessary. The commission should review the proposed treatment for character and style consistency with the original surfaces. C. Renovation and Additions Renovation is the modification of a structure, which does not alter the general massing while an addition, is a change in mass. A modification, which involves the removal of a part of the landmark, should be considered under demolition (see demolition). Additions to landmarks should not detract from the original form and unity of the landmark and should not cover singular examples of architectural detail. Additions to landmarks should be added in a manner that does not disrupt the visible unity of overall appearance of the site. The proportions, materials and ratios of the existing structures should be carried through in the additions. Care should be taken not to change or alter the following: 1. Structure—Necessary structural improvements, where safety demands should be accomplished in such a way as to cause minimal visual change to the original style and construction. 2. Material—Additions and improvements involving any new material in the landmark should be of the same material as the original. It should be the same size and texture. An alternative material may be allowed if it duplicates the original. a. wood—all wood trim should conform with existing trim in shape and size. b. siding materials—the Commission discourages the covering or alteration of original materials with additional siding. Structures already sided with incompatible materials should be returned to a siding similar to the original when renovation is considered. • D. Demolition Historic landmarks shall not be demolished. When a landmark poses a threat to the public safety, and demolition is the only alternative, documentation by way of photographs, measured drawings, or other descriptive methods