FORT MYER CONSTRUCTION CORP

THIS REQUEST FOR PROPOSAL (DESIGN BUILD) FOR GEORGE WASHINGTON MEMORIAL PARKWAY MOUNT VERNON TRAIL RECONSTRUCTION, PROJECT NO. VA NP GWMP MVT(4) LOCATED IN ARLINGTON COUNTY AND THE CITY OF ALEXANDRIA, VIRGINIA AND THE DISTRICT OF COLUMBIA, WASHINGTON

PROJECT NP GWMP 1(3) 2(5): THE PURPOSE OF THIS MODIFICATION IS TO: 1. TO INCREASE THE CONTRACT AMOUNT FROM $164,885,039.47 BY $8,225,532.74 TO $173,110,572.21. 2. TO ADDRESS THE ADDITION OF AN ASPHALT MILL AND OVERLAY ON GWMP BETWEEN SPOUT RUN A

NP-GWMP 1(3), 2(5) 693C7320C000001 CM #13 INCREASE CONTRACT AMOUNT BY $460,633.22 NO CHANGE TO CONTRACT TIME ENVIRONMENTAL ASSESSMENT AND BRIDGE RAIL REPAIR

NP-GWMP 1(3), 2(5) CM #12 INCREASE CONTRACT AMOUNT BY $1,340,400.95 NO CHANGE TO CONTRACT TIME STEEL BACKED TIMBER RUB RAIL, I-495 RAMP REHABILITATION, AND UNDER BRIDGE PLATFORMS

NP-GWMP 1(3), 2(5) CM #10 INCREASE CONTRACT AMOUNT BY $66,731.89 NO CHANGE TO CONTRACT TIME REPAIR OF ROADWAY DEPRESSION

NP-GWMP 1(3), 2(5) CM #9 INCREASE CONTRACT AMOUNT BY $149,866.85 NO CHANGE TO CONTRACT TIME TEMPORARY GIRDER SUPPORT FOR GULF BRANCH AND DONALDSON RUN BRIDGES

VA ST TFHRC 50(5) CM #3 DECREASE CONTRACT AMOUNT BY $123,530.68 NO CHANGE TO CONTRACT TIME. FINAL QUANTITIES

NP-GWMP 1(3), 2(5) CM #8 INCREASE CONTRACT AMOUNT BY $80,765.00

NP-GWMP 1(3), 2(5) CM #7 INCREASE CONTRACT AMOUNT BY $751,754.33

PRA ROCR 10(5) CM# 26 DECREASE CONTRACT AMOUNT BY $411,009.88 FINAL CLOSE OUT

VA ST TFHRC 50(5) CM #1 DECREASE CONTRACT AMOUNT BY $99.48 NO CHANGE TO CONTRACT TIME. PAVEMENT MARKINGS AND TRENCH DRAIN MATERIAL

NP-GWMP 1(3), 2(5) 693C7322C000001 CM# 5 INCREASE CONTRACT AMOUNT BY $154,888.64

NP-GWMP 1(3), 2(5) 693C7322C000001 CM# 4 INCREASE CONTRACT AMOUNT BY $270,000.00

PRA-ROCR 10(5) DTFH7116C00029L CM #23 DECREASE CONTRACT AMOUNT BY $1,309,501.31 NO CHANGE TO CONTRACT TIME FINALIZE THE EXISTING QUANTITIES

NP-GWMP 1(3), 2(5) 693C7322C000001 CM# 3 INCREASE CONTRACT AMOUNT BY $220,787.83

PROJECT VA ST TFHRC 50(5): THE PROJECT INCLUDES EXCAVATING THE EXISTING TEST LANES, CONSTRUCTING UNDERGROUND CONCRETE WALLS, UNDERDRAIN AND STORM DRAIN SYSTEMS, SANITARY SEWER LINE, WATERLINE SYSTEM, ELECTRICAL CONDUIT SYSTEM, DRAINAGE IMPROVEMENT,

NP-GWMP 1(3),2(5) CM #2 INCREASE CONTRACT AMOUNT BY $64,706.05 NO CHANGE TO CONTRACT TIME