Jansen Inc 6/10/2019 - Laserfiche WebLink

I Table 3 1 Areas Excluded from MRI Acceptance Requirements Location Exclude Beginning and end of grinding Pavement within 0.02 mile The bridge and approach slab and Bridges and approach slabs 0.02 mile from the ends of the bridge or approach slab Defects in the existing roadway identified by the Contractor that 0.01-mile section containing the adversely affect the MRI such as defect and the 0.01-mile section dips, depressions and wheel path following the section with the defect. longitudinal joints.' 1The presence of defects is subject to verification by the Engineer 1 2 Report the MRI results in inches per mile for each 0.01-mile section and each 0.10-mile 3 section. Do not truncate 0.10-mile sections for areas excluded from MRI acceptance 4 requirements. MRI requirements will not apply to 0.10-mile sections with more than three 5 0.01 mile-sections excluded. MRI requirements for the individual 0.01-mile sections shall 6 still apply. The Engineer will verify the analysis. 7 111 8 The MRI for each 0.10 mile of ground lane will comply with the following: 9 Control Profile MRI per 0.10 Mile 1 Maximum MRI of Acceptance i Profile per 0.10 Mile 5_130 inches/mile 1 78 inches/mile >130 inches/mile 0.6 x Control Profile MRI 10 11 The MRI for each 0.01 mile of the completed cement concrete grinding shall not exceed 12 160 inches/mile. 13 14 All Work is subject to parallel and transverse 10-foot straightedge requirements, corrective 15 work and disincentive adjustments. 16 111 17 Surface smoothness of travel lanes including areas subject to MRI testing shall not vary 18 more than 1/8 inch from the lower edge of a 10-foot straightedge placed on the surface Il 19 parallel to the centerline. 20 21 The smoothness perpendicular to the centerline will be measured with a 10-foot 22 straightedge within the lanes. There shall be not vertical elevation difference of more than a 111 23 'A inch between lanes. 24 25 Pavement that does not meet these requirements will be subject to corrective Work. All 26 corrective Work shall be completed at no additional expense, including traffic control, to the 27 Contracting Agency. Pavement shall be repaired by one or more of the following methods: 28 I 29 1. Diamond grinding. 30 31 2. By other method accepted by the Engineer. I 32 111 City of Everett Page AM-16 Amendments Everett Downtown Streetscape Improvement March 22, 2019 I