Agenda - Council - 06/27/2017 - Laserfiche WebLink

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SPECIAL PROVISIONS - SP20I6 BOOK Last Revision by CO Special Provisions: 2/08/17 Created August 20, 2015 Page 54 SP 0202-101 layer driven flush with the surface of the material shall be utilized to hold the insulation material in place during the backfill operations. S-41.3 The placement of the backfill material over the insulation board and compaction thereof shall be accomplished in a manner that will preclude damage to the insulation material. Construction equipment of any kind shall not operate directly on the insulation board. Sections of insulation board damaged by the Contractor's construction operations shall be replaced at the Contractor's own expense. S-41.4 No separate payment will be mad for Polystyrene Insulation, it should be considered incidental to the item it is insulating. S-42 (2506) MANHOLES AND CATCH BASINS MnDOT 2506 is hereby modified and/or supplemented with the following: S-42.1 Adjusting Rings manufactured from High Density Polyethylene (H.D.P.E.) are approved as an alternate to concrete adjusting rings. It is important that the H.D.P.E. adjusting ring be sealed with the product recommended by the manufacturer. S-42.2 Construct Drainage Structure Design Special 1 A. This pay item shall be considered full compensation to construct a 48-inch diameter manhole 48-4020 style with a 2 x 3 opening in the top slab as shown in the detail in the plan set. S-42.3 Construct Drainage Structure Design Special 2 A. This pay item shall be considered full compensation to construct a 2' x 3' structure as shown in the detail in the plan set. S-42.4 Adjust Frame and Ring Casting A. Adjust Frame and Ring Casting shall be paid per EACH for adjusting existing castings to proposed grade or any additional adjustments of new castings from base course to wear course elevation. 1. Initial adjustment of new casting shall be considered incidental to the casting being installed. S-43 (2521) CONCRETE WALK (ADA) This work shall consist of constructing Concrete Walk, including necessary Subgrade Preparation, Aggregate Base, and Grading as indicated in the Plan, in accordance with the provisions of MnDOT 2112, 2211, 2521, other Contract provisions, and the following: S-43.1 CONSTRUCTION REOUIREMENTS (A) Concrete Walk— The walk shall be constructed as detailed in the Plan and conform to the requirements of MnDOT 2521, Walks. To avoid corner breaks, all walk edges shall be formed and constructed perpendicular to the back of curb and gutter sections and concrete structures for a one foot minimum distance. All existing signs shall be salvaged and reinstalled as directed by the Engineer or as indicated in the Plan.