Attach G - Sec 720.pdf
PDF 230 KB Posted
- Attached to
- OnCall Sidewalk & Catch Basin Clarendon
- Solicitation number
- 5400030083
- Issued by
- Richland County, South Carolina
About this file
This is a technical specification document (Section 720) for Portland cement concrete work, applicable to the OnCall Sidewalk & Catch Basin project in Clarendon, South Carolina. The specification establishes requirements for the construction of concrete curbs, gutters, curb-and-gutter combinations, sidewalks, driveways, and medians to be installed in a single course on prepared subgrades. The work includes placement of reinforcing steel where indicated on project plans. Materials specified include Class 2500 Portland cement concrete conforming to Section 701 standards, expansion joint materials meeting Section 702.2.2.1 requirements, and reinforcing steel conforming to ASTM A 706, Grade 60 specifications per Section 703. All equipment must be present on-site, in acceptable working condition, and approved by the Resident Construction Engineer (RCE) prior to work commencement.
Construction requirements mandate thorough compaction of subgrades to create smooth, firmly compacted surfaces with moisture present at the time of concrete placement. In areas where standard rollers cannot be practically used, vibratory hand compactors must be employed for compaction. The RCE maintains authority to direct removal and replacement of concrete that settles or cracks after placement, with such corrective work performed without additional compensation to the contractor. All work must conform to dimensions, cross-sections, notes, lines, and grades shown on the project plans or as established by the RCE.
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Other files
| File | Type | Posted |
|---|---|---|
| Attach D - NEW ZION.pdf | ||
| Attach I - Lane Closure.pdf | ||
| Attach F - ALCOLU.pdf | ||
| Attach A - TURBEVILLE.pdf | ||
| Attach J - Vendor Lists.pdf | ||
| Attach H - 28 QPL.pdf | ||
| Attach B - SUMMERTON.pdf | ||
| Attch C - PAXVILLE.pdf | ||
| Solicitation.pdf | ||
| Attach E - MANNING.pdf |
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Text version
720.1
SECTION 720
CONCRETE CURB, GUTTER, CURB AND GUTTER,
SIDEWALK, DRIVEWAY, AND MEDIAN
720.1 Description
720.4.1
This section contains specifications for the materials, construction, equip ment, measurement, and payment for the construction of Portland cement concrete curb, Portland cement concrete gutter, Portland cement concrete curb and gutter, Portland cement concrete sidewalk, Portland cement con crete driveway, and Portland cement concrete median in one course on a prepared subgrade in accordance with these specifications, conforming to the dimensions, typical cross-section, and notes shown on the Plans, and to the lines and grades shown on the Plans or established by the RCE.
2 This work includes the placing of reinforcing steel in the concrete when in-dicated on the Plans.
720.2 Materials
720.2.1 Portland Cement Concrete
Provide Class 2500 Portland cement concrete conforming to the applicable requirements of Section 701.
720.2.2 Expansion Joint Material
Provide expansion joint materials meeting the requirements of Subsection 702.2.2.1.
720.2.3 Reinforcing Steel
Provide reinforcing steel conforming to the requirements of ASTM A 706, Grade 60, and meeting the applicable requirements of Section 703.
720.3 Equipment
Ensure that the equipment necessary for the proper construction of the work is on site, in acceptable working condition, and approved by the RCE as to both type and condition before the start of work under this section. Provide sufficient equipment to enable prosecution of the work in accordance with the project schedule and completion of the work in the specified time.
720.4 Construction
720.4.1 Subgrade
Thoroughly compact the subgrade and finish to a smooth, firmly compacted surface, which is moist at the time the concrete is placed. In areas where it is impractical to use standard type rollers, accomplish compaction by vibratory hand compactors. Remove and replace concrete that settles and/or cracks after placement as directed by the RCE without additional compensation.
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