11831 AIRPORT RD WHOLE SITE FILE 2020-01-21

Section 1-05.4 is supplemented with the following: (April 3, 2017 WSDOT GSP) Contractor Surveying —ADA Features ADA Feature Staking Requirements The Contractor shall be responsible for setting, maintaining, and resetting all alignment stakes, and grades necessary for the construction of the ADA features. Calculations, surveying, and measuring required for setting and maintaining the necessary lines and grades shall be the Contractor's responsibility. The Contractor shall build the ADA features within the specifications in the Standard Plans and contract documents. ADA Feature As-Built Measurements The Contractor shall be responsible for providing As-Built records of all ADA feature improvements completed in the Contract. The survey work shall include but not be limited to completing the measurements, recording the required measurements and completing other data fill-ins found on the ADA As-Built Forms, and transmitting the Forms to the Engineer. The ADA As-Built Forms are found at the following website location: http://wvimwsdot.wa.gov/Design/ADAGuidance.htm The transmittal letter shall include a statement signed by the Contractor certifying the accuracy of the measurements. In the instance where an ADA Feature does not meet accessibility requirements, all work to replace non-conforming work and then to measure, record the as-built measurements, and transmit the Forms to the Engineer shall be completed at no additional cost to the Contracting Agency, as ordered by the Engineer. Payment Payment will be made for the following bid item that is included in the Proposal: "ADA Features Surveying", lump sum. The unit Contract price per lump sum for"ADA Features Surveying" shall be full pay for all the Work as specified. Swift Green Line—Corridor Stations Special Provisions SP21 May 2017