Combined Construction Inc. 7/22/2020

I1 1-05.4.0ption2.RTF 2 1-05.4 Conformity With and Deviations from Plans and Stakes I 3 4 Supplement this section with the following: 5 I 6 Bridge and Structure Surveys 7 (July 23, 2015 APWA GSP, Option 2) 8 9 For all structural work such as bridges and retaining walls, the Contractor shall retain as I 10 a part of Contractor's organization an experienced team of surveyors. 11 12 The Contractor shall provide all surveys required to complete the structure, except the I13 following primary survey control which will be provided by the Engineer: 14 1. Centerline or offsets to centerline of the structure. 15 2. Stations of abutments and pier centerlines. I16 3. A sufficient number of bench marks for levels to enable the Contractor to set grades 17 at reasonably short distances. 18 4. Monuments and control points as shown in the Plans. I19 20 The Contractor shall establish all secondary survey controls, both horizontal and vertical, 21 as necessary to assure proper placement of all project elements based on the primary 22 control points provided by the Engineer. Survey work shall be within the following 23 tolerances: I 24 Stationing ± 0.01 foot 25 Alignment ± 0.01 foot (between successive points) 26 Superstructure Elevations ± 0.01 foot (from plan elevations) 27 Substructure Elevations ± 0 05 foot (from plan elevations) 28 29 During the progress of the work, the Contractor shall make available to the Engineer all 30 field books including survey information, footing elevations, cross sections and I 31 quantities. 32 33 The Contractor shall be fully responsible for the close coordination of field locations and I 34 measurements with appropriate dimensions of structural members being fabricated. 35 36 1-05.7.RTF I 37 1-05.7 Removal of Defective and Unauthorized Work 38 (October 1, 2005 APWA GSP) 39 I 40 Supplement this section with the following: 41 42 If the Contractor fails to remedy defective or unauthorized work within the time specified 43 in a written notice from the Engineer, or fails to perform any part of the work required by 44 the Contract Documents, the Engineer may correct and remedy such work as may be 45 identified in the written notice, with Contracting Agency forces or by such other means as 46 the Contracting Agency may deem necessary. I 47 48 If the Contractor fails to comply with a written order to remedy what the Engineer 49 determines to be an emergency situation, the Engineer may have the defective and I 50 unauthorized work corrected immediately, have the rejected work removed and replaced, 51 or have work the Contractor refuses to perform completed by using Contracting Agency I MAPLE HEIGHTS BRIDGE SEISMIC RETROFIT PAGE 13 OF 106 SPECIAL PROVISIONS—Addendum 1 WORK ORDER#3693 MAY 4,2020 FEDERAL AID#BHM-2776(008) I