SECTION 614 - CONCRETE DRIVEWAYS
614.01 Description. This work consists of furnishing all materials and constructing
cement concrete driveways on a prepared grade in accordance with these specifications, at the locations, and in reasonably close conformity with the lines, grades, and typical sections as shown on the plans or as established.
614.02 Materials. Unless otherwise stipulated, the materials used in this construction, in
addition to conforming to the requirements of Division 700 for materials specified and used, shall conform to the following:
a.Concrete. The materials used in the manufacture of concrete shall conform to the requirements for the type of concrete pavement used in the roadway as set out in Section 501, or shall conform to the requirements for Class "B" concrete as set out in Section 804, as shown on the plans and in the proposal, or as otherwise indicated in the contract.
b.Expansion Joint Filler. Expansion joint filler shall be either premolded or poured and shall conform to the requirements as set forth in Section 707 for the particular type specified.
614.03 Construction Requirements.
614.03.1 Equipment. The equipment shall conform to the requirements of Section 501
or Section 804, as applicable. All small tools, such as edgers, floats, tamps, etc., shall be approved tools of such quality and quantity as to assure their adequacy in the performance of acceptable work. Approved equipment, necessary and required, shall be on the project in good working condition before construction will be permitted to start.
614.03.2 Preparation of Grade. In-grade preparation shall be performed in accordance
with the applicable provisions and requirements of Section 321, unless otherwise specified or directed by the Engineer, within the tolerances set out in Subsection 321.03.7, extending such preparation, unless otherwise specified, to at least two (2) feet beyond the edges of the proposed concrete driveway.
614.03.3 Forms. Forms and forming shall conform to the requirements of Subsection
608.03 3.
614.03.4 Manufacturing and Placing Concrete. The concrete used in the construction
of driveways shall be manufactured, prop ortioned and placed in accordance with the requirements of Section 501 or Section 804 as shown on the plans and in the proposal. Prior to the placing of any concrete the grade shall be tested with a template cut true to cross-section of the proposed construction, all irregularities corrected and compacted, and the entire grade sprinkled with water. Immediately after mixing, the concrete shall be deposited in a single layer on the moist grade to such depth that after finishing it shall be of the full thickness required. The edges, sides, etc., shall be thoroughly spaded, and the surfaces tamped sufficiently to compact the concrete and bring mortar, for finishing, to the surface. Curb returns for driveways shall be constructed to the dimensions and section shown on the plans or as directed, using the same concre te mixture as used for the driveway slab. They shall be constructed monolithic with the slab as specified for integral curb in Section 609.
614.03.5 Finishing. The concrete shall be struck-off with a transverse template resting
upon the side forms, and shall be floated, with an approved float, in such a manner that excess water, laitance, or other inert material shall be removed from the surface. When the surface of the concrete is free from water and just before it obtains its set, it shall be finished with a wooden float so as to produce a sandy texture. The edges of the concrete at expansion joints shall be edged with an edger having a radius of one-half (1/2) inch. Curb returns shall be finished as specified for integral curb in Section 609.
614.03.6 Expansion Joints. Expansion joints shall be formed of premolded joint filler or
poured filler of the specified thickness, and shall be placed at the locations indicated on the plans. All joint fillers shall be cut to full cr oss-section and shall extend to the full depth, width and length of the construction. Any expansion joint material extruding after the concrete is finished, shall be trimmed as directed.
614.03.7 Protection and Curing. After the concrete is completed, it shall be protected
and cured in accordance with the requirements of Subsection 501.03.20 or other approved method. Conditions governing the placement of concre te and the requirements for the placement, protection and curing of concrete during cold or hot weather shall conform to the limitations, conditions and requirements of Subsection 804.03.16 as applicable.
614.03.8 Backfilling and Cleaning Up. When the concrete has set sufficiently, the sides
of the driveway shall be backfilled to the re quired elevation with suitable material, which shall be tamped in layers of not more than six (6) inches until firm and solid. All surplus material shall be disposed of as directed, and the completed work and the site shall be left in a neat and presentable condition.
614.04 Method of Measurement . Concrete driveways of the type specified will be
measured for payment by the square yards. Driveway areas shall be defined as follows:
a.Where the driveway joins pavement and integral curb construction, the driveway area shall include the entire paved area behind the normal back of curb line.
b.Where the driveway joins combined curb and gutter construction, the driveway area shall include the entire paved area back of the normal line of the inside face of the gutter. The division line between combined curb and gutter and driveway area shall be that point designated as the beginning of the curb return.
614.05 Basis of Payment . Concrete driveways, measured as prescribed above, will be
paid for at the contract unit price per square yard, which price shall be full compensation for curb returns; all backfilling and disposal of surplus materials; and for all materials, forms, equipment, tools, labor and incidentals necessary to complete the work. Payment will be made under: 614-A: Concrete Driveway, Without Reinforcement * - per square yard
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Source: Standard Specifications for Road and Bridge Construction, 2017 Edition. Pages 445–447 of 1,113. View official source ↗