522 SECTION 636 MAINTAINING TRAFFIC
636.1 -DESCRIPTION : This work shall consist of all necessary measures to maintain and to protect vehicular and pedestrian traffic, to protect the work in process, and to maintain traffic through, around or adjacent to the construction area, in accordance with these Specifications or as directed. The work shall include the furnishing and maintaining of all traffic control devices, flaggers and pilot truck; construction of temporary structures when required; labor, equipment and materials to keep the traveled road smooth, passable, and safe.
636.2 -MATERIALS : Materials shall conform to the following requirements of Division 700, except as otherwise noted:
MATERIAL SUBSECTION Aggregate 704.6 Class 1 * Asphalt Emulsion 705.4 SS -1, SS -1h, CBAEP, or AEM -1 ** Cationic Emulsified Asphalt 705.11 CSS -1 or CSS -1h ** Day As used in this Specification, a day is considered to be a 24 -hour period. Pilot Truck A Vehicle of the pick -up or jeep type, equipped with a prescribed sign mounted on the rear portion of the vehicle in s uch a manner as to be easily visible by following motorists. Raised Pavement Markers and Other Pavement Marking Material 715.40 Traffic Control Devices Division 700 subsections referenced in Section 636.9 Traffic Zone Paint 711.41 (Type II) or 711.40 (Temporary Paint)
* When aggregate for maintaining traffic is not to be part of any succeeding base or pavement course, the appropriate aggregate size shall be determined by the Engineer. If the aggregate is from an approved aggregate source, then it shall be accepted by visual inspection. If the contractor elects to use aggregate from an unapproved source, test results shall be provided to show that the liquid limit and plasticity index meet the requirements in Table 704.6.2B. ** SS-1, SS -1h, CSS -1 and CSS -1h may be diluted with water.
When aggregate is to become part of any succeeding base, all requirements of Section 30 7 for base course shall apply.
636.2.1 -Materials Certification: The Contractor will furnish a notarized Letter of Certification for all traffic control items. This letter shall state that the Contractor has inspected all materials upon arrival and that where applicable the materials are supplied from pre -approved DOH sources with respective lab numbers included on all invoices. The Contractor’s letter shall state that all traffic control devices, flaggers, pilot trucks, signs, temporary pavement marking materials, materials for temporary structures, aggregate for temporary roads, and dust palliatives all conform to the requirements specified in Section 636 of the Specifications and all related Contract Documents.