C1546 Nathan Hale ES Linked Annex-new Construction. Contract PDF: Book 1 – Nathan Hale ES Linked Annex Book 2 – Nathan Hale ES Linked Annex Other Documents: Awarded to: Walsh Construction Company, II LLC Board Approval Date: 12/17/2012 Related Projects Nathan Hale Elementary School Linked Annex 6140 South Melvina Avenue Ward 13 : Clearing