12-28-2015 Council Packet - Laserfiche WebLink

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PART 3 EXECUTION 3.01 GENERAL A. Conform to MnDOT Spec. 2105.3A, or modified herein: 1. Establish traffic control prior to excavations. 2. Establish the specified erosion control devices according to Section 01 57 13 prior to all excavations. 3. Notify utility companies of progress schedule so they can accomplish relocations, removals, and holding of lines. 4. Perform removals consistent with Section 02 41 13. 5. Strip topsoil consistent with Section 31 10 00. 3.02 PREPARATION OF EMBANKMENT A. Conform to MnDOT Spec. 2105.3B, or as modified herein: 1. Engineer's approval is required of all areas where preparation works has been performed prior to the placement of the embankment or fill material. 2. Where embankment is to be constructed over locations where the foundation material is unstable, the foundation shall be excavated to remove all or part of the unstable material. 3.03 EXCAVATION OPERATIONS A. Conform to MnDOT Spec. 2105.3C, or as modified herein: 1. Perform excavations to the alignment, cross section, and grade as shown on the Drawings. 2. Excavation of unstable material below grade shall be done under the direction of the Engineer as the subsurface conditions are disclosed. 3. Remove muck excavation material by utilizing a backhoe so as to minimize disruption to the bottom of the excavation. 4. Notify Engineer immediately of any large boulders or ledge rocks encountered so proper measurement or profile can be made for pay quantities. 5. The Contractor shall remove rock encountered at locations along roadways in line with piping. This shall be considered Rock Excavation, as defined in MnDOT Spec. 2105.2A2. 6. No solid rock will be allowed within 12 inches of the subgrade. 7. Provide and maintain temporary drainage facilities until permanent facilities are completed. 8. Cut, fill, and grade Site to elevations and contours shown on the Drawings with allowances for pavements, topsoil, and structures. B. Contractor may store up to 6,000 CY of granular material at the City's Public Works Building. Contractor shall verify with Owner prior to using this site. (Added By Addendum No. 2). 3.04 STRUCTURE EXCAVATIONS A. Excavate additional materials for structures, utility trenches, and base material. B. Excavate to lines, grades and dimensions indicated on the Drawings. C. Excavations shall be large enough to allow for the construction and inspection of utilities and structures, including all form work. D. No structure excavation shall have side slopes steeper than that considered safe for the soils and Site conditions encountered. Side slopes shall meet all OSHA requirements. An EXCAVATION AND FILL © 2015 Stantec 1 19380XXXX 31 23 00 - 3