AMENDMENT ADDED TO SHOW INCREASE IN ORIGINAL PR AMOUNT. NEED CONTRACTOR TO DISMANTLE THE NWS (NATIONAL WEATHER SERVICE) RADAR TOWER AT RTR SITE IN WATERLOO, IOWA. THE RADAR ANTENNA HAS BEEN PREVIOUSLY REMOVED FROM TOP OF THE STEEL TOWER STRUCTURE. THE STEEL TOWER SITS ON TOP OF A TWELVE FOOT TALL CONCRETE SHELTER, THE CONCRETE SHELTER SHALL BE LEFT IN PLACE. THE CONTRACTOR SHALL DISMANTLE THE SIXTY FOOT TALL STRUCTURAL STEEL ANTENNA TOWER SUPERSTRUCTURE, FROM THE TOP OF CONCRETE SHELTER FOUNDATION AND DISPOSE OF OFF AIRPORT PROPERTY. CUT OFF THE TOWER'S ANCHOR BOLTS FLUSH WITH TOP CONCRETE SHELTER. REMOVE APPROX 20 FT OF SECURITY FENCING FROM ROUND THE SHELTER AND DISPOSE OF OFF AIRPORT PROPERTY. REMOVE ENTIRE METAL STAIRCASE FROM SIDEWALK TO THE TOP OF CONCRETE SHELTER AND DISPOSE OF OFF AIRPORT PROPERTY. INSTALL 20A, SINGLE POLE, UNDERGROUND CIRCUIT FROM A POWER PANEL IN THE EXISTING E/G SHELTER TO POWER THE LIGHTS IN THE EXISTING NWS TOWER BASE BUILDING WHICH WILL BE THE NEW RTR STORAGE BUILDING. NEED APPROX 50 FT OF 2-#12 AWG THWN AND GREEN GRD WIRE IN 40 FT OF 3/4" CONDUIT FOR THE LIGHTING CIRCUIT. TAS::69 8107::TAS