Bid Opportunities Project Bid Due Date Contact Location US National Arboretum March 18, 2010  Ray Hook   Washintgon, D.C. Specifications:  TOC  Table of Contents Specs  Specifications  Addenda: Amend_1          Amendment #1 Wage_Rates     Wage Rates Amend_2          Amendment #2 Amend_3          Amendment #3 Plans :       General Cover COVER  SHEET    Civil Civil CIVIL  DRAWINGS     Architectural & Demolition Architectural - ARCHITECTURAL DRAWINGS      Structural Structural STRUCTURAL DRAWINGS    Mechanical Mechanical MECHANICAL DRAWINGS      Electrical Electrical ELECTRICAL DRAWINGS