Concrete Paving Sample Clauses
The Concrete Paving clause sets out the requirements and standards for the installation of concrete pavement in a construction project. It typically details the materials to be used, the methods of preparation and placement, and the quality control measures that must be followed, such as curing times and surface finishing. For example, it may specify the minimum thickness of the pavement, acceptable types of reinforcement, and testing procedures for strength and durability. The core function of this clause is to ensure that the concrete paving is constructed to meet safety, durability, and performance standards, thereby reducing the risk of defects and future maintenance issues.
Concrete Paving. 1) Cast-in-place concrete curb and gutter (B612) will be provided at the perimeter of all paved parking and drive areas.
2) Sidewalks are constructed with 4000 p.s.i., air entrained, non-reinforced concrete. Sidewalks shall be broom finished unless indicated otherwise on the drawings.
3) Pedestrian ramps are provided at sidewalks.
Concrete Paving. 4 inch thickness (includes sub-base): [Per Square Foot]. This pay item includes all costs associated with the installation of replacement concrete. The concrete will meet the strength/reinforcement requirements specified in the Remedial Action Plan. Includes costs for compression testing.
Concrete Paving a. Subgrade and sub base preparation and maintenance for concrete paving installations
▇. ▇▇▇▇▇ sub base installation and compaction for all concrete paving installations.
c. Furnishing and installing all concrete materials and accessories for concrete paving installations to include concrete materials, aggregates, reinforcing materials, curing compounds and admixtures.
d. Placing and finishing of all concrete materials for concrete paving installations, including formwork, concrete pumping, saw cutting, application of curing compounds and/or sealers and concrete finishing.
Concrete Paving a. Sample the fresh concrete for concrete pavements and perform required tests, including slump, air content, concrete temperature, and cast test specimens during placements.
b. Perform compressive tests of concrete test cylinders cast in the field.
c. Observe reinforcing steel prior to concrete placement. We will observe the rebar size, spacing and configuration.
Concrete Paving. Similar to excavation, our concrete paving operations will require on-road legal haul trucks to place the concrete. They will have similar traffic patterns to the excavation operations, and will also include MOT and flaggers at each location to protect the traveling public and assist in the efficient delivery of material. For the access/exit points, we will use the future J-Turn and T intersections as our primary points of access and exit for the trucks. At each of these locations, the grade will already be constructed to support the future intersection concrete, and these areas provide a level surface for truck access in and out of the jobsite. For each concrete pour, the trucks will be provided with a haul plan that ensures every driver knows how to safely deliver the concrete. Each truck will follow a cyclical haul pattern so all drivers follow the same path to prevent traffic incidents or delays to travelers.
Concrete Paving additional 1 inch thickness: [Per Square Foot]. This pay item includes all costs associated with the installation of additional replacement concrete of 1 inch thickness.
Concrete Paving. Type of work includes replace existing or install new concrete or asphalt paving and sidewalks.
Concrete Paving. 1. Aggregate Subbase: refer to drawings .
2. General: refer to drawings for dimensions and finish qualification.
3. Finish: Pressurized Water Blast:
a. Concrete shall be finished to a smooth steel trowel finish. The finish shall be brought to a smooth surface, free from defects and blemishes.
b. The surface is then sprayed with top surface retarder, ‘Grace Top-Cast #05 Sandblast’ at the rate of 175–300 ft2/gal (4.3–7.4 m2/L) and allowed to cure at least 12 hours.
c. Blast with pressurized water to expose aggregate uniformly to as approved by engineer.
d. Water blast perpendicular to surfaces. Abrasively blast corners and edge patters using back-up boards to maintain uniform edges.
e. Type of nozzle, pressure and water blasting techniques used shall be in accordance with approved mock-up and samples.
f. Perform water blast finishing in a continuous operation, utilizing the same work crew to maintain continuity of finish on each surface area of work.
g. After water blasting to required depth is completed, and the approval of the City Representative has been obtained in writing, apply a weak acid wash to clean abrasive surfaces to match approved sample.
h. Thoroughly neutralize and flush retarder from surfaces.
i. Protect adjacent materials and finishes from the acid wash.
Concrete Paving. Furnish and erect a full-size 3’x3’ panel of the concrete paving per section 32 13 13.