The project consists of removal and replacement of existing IGUs to improve energy efficiency, visibility, and occupant comfort. • Conduct pre-work inspection of all second-floor windows. • Protect interior furnishings and flooring with drop cloths or temporary barriers. • Provide scaffolding or lifts as needed for exterior access. • Removal of existing IGUs without damaging surrounding window frames. • Dispose of old glass units in accordance with local environmental regulations. • Inspect frames for damage or deterioration, report findings to the Mclean County Project Manager. • Install new IGUs per manufacturer specifications. • Ensure proper alignment, sealing, and insulation. • Use low-E coated glass with argon gas fill for improved thermal performance. • Replace or repair spacers and sealants as needed. • Clean all newly installed glass surfaces. • Remove all debris and protective coverings. • Conduct final inspection with the Mclean County Project Manager upon completion. • Attendance of an initial Planning Meeting with County representatives. • Provide Insulated glass units that are double-pane including low-E coating and argonfilled glass. • Daily cleanup of tools and materials from the work area. • Provide any needed storage for materials. No onsite storage areas available. • Permitting for facility work and parking is the awarded contractor’s responsibility. • Provide a full-time presence on the project to ensure efficiency and timely completion. • Follow OSHA guidelines for fall protection and glass handling. • Ensure compliance with local building codes and ADA requirements. • Maintain clear egress paths during construction. • IGUs must meet ASTM E2190 standards. • Perform water and air infiltration tests post-installation. • Submit warranty documentation for all materials. • A 10% contingency shall be added to final bid price.