616.03 544 material to be used. Do not apply calcium chloride to areas that will be subsequently seeded or sodded. Furnish and apply water used for dust control by means of tanks equipped with suitable sprinkling devices. Use dust palliative co nsisting of 712.02 calcium chloride or a brine solution containing a minimum of 30 percent by weight of calcium chloride. Spread the calcium chloride uniformly over the surface.
616.03 Method of Measurement. The Department will measure Water by the
number of M gallons (1000 gallon units ) (cubic meters) applied and measured either in tanks, tank wagons, or trucks of predetermined capacity; or by means of meters of a type and furnished and installed by the Contractor at no expense to the Department; or determ ined by weight conversion. The Department will measure Calcium Chloride by the number of tons (metric tons) by weight measurement, furnished and applied. When brine is used, the Department will determine the weight of calcium chloride by multiplying the number of gallons (cubic meters) by the factor 0.0024 (0.575).
616.04 Basis of Payment. The Department will pay for accepted quantities at
the contract prices as follows: Item Unit Description 616 M Gallons Water (Cubic Meter) 616 Ton (Metric Ton) Calcium Chloride ITEM 617 RECONDITIONING SHOUL DERS
617.01 Description
617.02 Materials
617.03 Prosecution
617.04 Shoulder Preparation
617.05 Furnishing and Compacting Additional Aggregate
617.06 Method of Measurement
617.07 Basis of Payment
617.01 Description. This work consists of preparing the shoulder, and
furnishing and compacting additional aggregate on the existing or prepared shoulder. Use removed or excavated materials in the Work when the material conforms to the specifications; if not, then recycle or dispose of the material according to 105.16 and 105.17.
617.02 Materials. Furnish materials conforming to 703.18.
617.03 Prosecution. If reconditioning shoulders as part of a resurfacing project
and traffic is maintained, place shoulder material along with the paving operations 617.04 545 as rapidly as possible. Complete all shoulder reconditioning within four days following the placement of the surface course or any course that results in a drop - off of 2.0 inches (50 mm) or greater.
617.04 Shoulder Preparation. If shoulder preparation is specified, loosen the
existing surface to a depth of 1 to 2 inches (25 to 50 mm). If the surface is an asphalt mix or seal, cut the surface along the edge of the pavement with a blade or disc to give a straight vertical edge. Do not c ut a safety edge installed as part of the Work. Reduce pieces of loosened material that exceed approximately 1 1/2 inches (38 mm) in size to at least this maximum size or consider these pieces unsuitable material. Remove and dispose of oversized or other u nsuitable material that would interfere with placing of aggregate. Reshape the loosened material as necessary to conform to the requirements for placing aggregate.
617.05 Furnishing and Compacting Additional Aggregate. Spread aggregate
with approved spread ers. Do not dump or store aggregate on the pavement. Remove spilled aggregate from the pavement as spreading progresses. Where the shoulder is relatively level, compact the material using crawler -type tractors, tamping rollers, trench rollers, suitable pne umatic tire rollers, or other suitable equipment. Use a minimum of four passes with compaction equipment weighing at least 6 tons (5 metric tons). Perform the final compaction of the surface of the shoulder using a pneumatic tire roller. Where it would be unsafe to use the above compaction equipment due to the grade or width of the shoulder, use a side - mounted roller or side -mounted vibrating plate compactor that is securely attached to a tractor or other construction equipment. The side -mounted roller or s ide- mounted vibrating plate compactor must be able to adequately compact the aggregate while the equipment to which it is mounted remains on the paved surface. Use a minimum of four passes with the side -mounted roller and two passes with the side-mounted v ibrating plate compactor. Compact the aggregate immediately after the spreading operation to prevent the loss of contained moisture and displacement of the material. Apply water as directed by the Engineer when required to aid compaction and to prevent seg regation of the material.
617.06 Method of Measurement. The Department will measure Shoulder
Preparation by the number of square yards (square meters). The Department will measure Compacted Aggregate, by the number of cubic yards (cubic meters) in place co mputed from the profile grade and typical sections. The Department will measure Water by the number of M gallons or 1000 gallon units (cubic meters) according to 616.03. If the plans provide for the use of aggregate in a variable width or depth course and the Department cannot readily calculate the quantity from profile grade and typical sections, the Department will measure the cubic yards (cubic meters) by converting from weight using the following conversion factors: