Combined Construction Inc. 7/22/2020

I1 It is also anticipated that the removal of any existing concrete prior to the grading of the 2 slope for the installation of the rock slope protection will be required. *** I 3 4 2-02.3(2).GB2 5 Removal of Bridges, Box Culverts, and other Drainage Structures I 6 7 2-02.3(2),INST1.GB2 8 Section 2-02.3(2) is supplemented with the following: I 9 10 2-02.3(2).OPT1.DOCX 11 (******) 1 12 Removal of Drainage Structures and Pipes 13 Where shown in the Plans, or at other locations as determined by the Engineer, the 14 Contractor shall remove catch basins and bridge drains regardless of the size or I15 type, and storm drain pipe. Each catch basin, bridge drain, or storm drain pipe shall 16 be removed in its entirety. Prior to backfilling the resultant void, the Contractor shall 17 plug and abandon the existing catch basin pipe(s) with commercial concrete in 111 18 accordance with Section 7-08.3(4). 19 20 Voids left by catch basin or storm drain pipe removal shall be backfilled and I 21 compacted in accordance with Section 2-03.3(14)C. 22 23 All materials removed shall become the property of the Contractor and shall be I 24 disposed of outside the project limits. 25 26 2-02.4.GR2 I 27 Measurement 28 29 2-02.4.INST1.GR2 I 30 Section 2-02.4 is supplemented with the following: 31 32 2-02.4.OPT1.DOCX I33 (******) 34 Removal of existing drainage pipe will be measured by the linear foot along the line and 35 slope of the drainage pipe prior to removal. 1 36 37 Removal of drainage Structures will be measured per each for each drainage Structure 38 removed. I 39 40 2-02.5.GR2 41 Payment 1 42 43 2-02.5.INST2.GR2 44 Section 2-02.5 is supplemented with the following: I 45 46 2-02.5.OPT1.DOCX 47 (******) I48 "Removing Existing Drainage Pipe", per linear foot. I MAPLE HEIGHTS BRIDGE SEISMIC RETROFIT PAGE 81 OF 106 SPECIAL PROVISIONS—Addendum 1 i WORK ORDER#3693 MAY 4,2020 FEDERAL AID#BHM-2776(008)