Specifications include, but are not limited to: roofing system and selective insulation replacement on multiple roof sections (totaling approximately 28,600 Sq Ft.), including: Removal and disposal of the existing stone ballast; Removal of the existing EPDM membrane and associated membrane flashing; Salvage of the existing polyisocyanurate rigid insulation system in place; Inspection of the existing polyisocyanurate rigid insulation for high moisture content deterioration, or other damage; then, replacement of found maligned insulation with new insulation; Installation of a new layer of ridged polyisocyanurate insulation atop existing insulation; Installation of a new stone-ballasted EPDM membrane that is 60 mils thick; As-necessary repair/replacement of any roof drains, flashing, pipe boots, counterflashing, expansion joints, and other roof penetrations as needed to ensure the integrity of the roof; and, Removal and replacement of approximately 35 LF of gutter and 40 LF of downspout at the adjacent sloped standing seam metal roof areas. All installed products shall achieve a manufacturer’s 20-year (minimum) No-Dollar-Limit warranty.