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PCC STRUCTURAL - FIELD AND PLANT SAMPLING AND TESTING GUIDE (See Specifications for Complete Details.) |
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Field Acceptance |
Plant Acceptance |
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Article |
Work Type |
Air & Slump |
Gradation QC |
Gradation Verification |
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2403 |
Structural Concrete |
1/30 yd3 (2) |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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2405 |
Foundations |
1/30 yd3 (2) |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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2406 |
Concrete Structures |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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2412 |
Bridge Decks |
1/30 yd3 (2) |
S/T 1/deck pour |
S/T 1/deck pour |
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2413 |
Deck Repair |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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2413 |
Deck Surfacing/Overlay HPC-O |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1/project |
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2413 |
Deck Surfacing/Overlay Class O |
1/100 yd2 (4) |
n/a |
n/a |
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2414 |
Railings |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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2415 |
Box, Arch Circular Culverts |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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2416 |
Rigid Pipe Culverts |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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2423 |
Support Structures |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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2424 |
Shotcrete |
1/30 yd3 |
S/T for Mix Design only |
n/a |
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2433 |
Drilled Shaft |
1/30 yd3 (2) |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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2503 |
Storm Sewers |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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2503 |
intakes, utility access |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
n/a |
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2501 |
Pile encasement |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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2505 |
Guardail anchorage |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
n/a |
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2513 |
Concrete barrier |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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2516 |
Walls and Steps |
1/30 yd3 |
S/T 1/week, if <50 yd3/wk S/T 1/ 2 weeks |
S/T 1st/wk; S 1/wk or S 1/2 wks if <50 yd3/wk , T 20% |
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(1) If less than 20 yd3/ day, the engineer may waive air testing if inspection is not available and producer has exhibited consistency in prior placements (2) On large structural placements >350 yd3, the DME may adjust air and slump testing to 1/50 yd3 based on consistent results in the first 100 yd3 placed (3) Sampling and testing rate if no other concrete supplied. Use structural or paving test results to cover non structural concrete items. (4) See 204 Appendix M for overlays >300 yd2. |
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