Jansen Inc 6/10/2019 - Laserfiche WebLink

I IPlacement Tolerances Dowel Bars Tie Bars I Vertical: Center of Bar to Center of Slab Depth ± 1.00 inch max ± 1.00 inch max Dowel Bar Centered Over the Transverse Joint ± 1.00 inch max N/A Tie Bar Centered Over the Longitudinal Joint N/A ± 1.00 inch max I Parallel to Centerline Over the Length of the ±0.50 inch max N/A Dowel Bar Perpendicular to Longitudinal Joint Over the N/A ± 1.00 inch max I Length of the Tie Bar Parallel to Roadway Surface Over the Length of ±0.50 inch max ± 1.00 inch max the Bar 1 2 Dowel bars and tie bars shall be placed according to the Standard Plan when multiple 3 panels are placed. Panels shall be cast separately from the bridge approach slab. 4 5 Dowel bars to be drilled into existing concrete or at a new transverse contraction joint shall 6 have a parting compound, such as curing compound, grease, or other Engineer accepted 7 equal, applied to them prior to placement. I8 9 Clean the drilled holes in accordance with the epoxy or grout manufacturer's instructions. 10 Holes shall be clean and dry at the time of placing the epoxy, or grout and tie bars. II 11 ' Completely fill the void between the tie bar and the outer limits of the drilled hole with epoxy II 12 or grout. Use retention rings to prevent leakage of the epoxy or grout and support the tie 13 bar to prevent movement until the epoxy or grout has cured the minimum time I14 recommended by the manufacturer. 15 16 5-01.3(4)D Foundation Preparation 17 The Contractor shall smooth the surfacing below the removed panel and compact it to the I18 satisfaction of the Engineer. Crushed surfacing base course, or hot mix asphalt may be 19 needed to bring the surfacing to grade prior to placing the new concrete. 20 I21 If the material under the removed panel is uncompactable and the Engineer requires it, the 22 Contractor shall excavate the Subgrade 2 feet, place a soil stabilization construction 23 geotextile meeting the requirements of Section 9-33, and backfill with crushed surfacing I24 base course. This Work may include: 25 26 1. Furnishing and hauling crushed surfacing base course to the project site. I27 28 2. Excavating uncompactable material. 29 I30 3. Furnishing and placing a soil stabilization construction geotextile. 31 32 4. Backfilling and compacting crushed surfacing base course. 33 I34 5. Removing, hauling and restocking any unused crushed surfacing base course. 35 36 5--01.3(4)E Concrete Finishing I37 Grade control shall be the responsibility of the Contractor. 38 39 All panels shall be struck off level with the adjacent panels and floated to a smooth surface. I City of Everett Page AM-13 Amendments IEverett Downtown Streetscape Improvement March 22, 2019