1. The complete engineering, design and specifications of all low voltage systems associated with Communications, Tel/Data, AV, Access Control, WiFi and Security systems, based on the approved test-fit titled Attachment F, 10 Post Office Square Test Fit. 2. The complete engineering, design and specifications for all equipment and products associated with each system as identified in item 1. 3. The complete engineering, design and specifications for the mechanical, electrical and plumbing work associated with the new dedicated, independent HVAC units in the IDF and MDF rooms. All other mechanical systems are the responsibility of the building owner and not part of this scope. 4. Coordination of public procurement processes under M.G.L c.149 and M.G.L. c.30B 5. Estimating, in CSI Format to be performed at SD, DD, and 95% CD’s. Additional estimates for all equipment associated with low voltage systems as identified in item 1.