1704.4 - Concrete construction
The special inspections and verifications for concrete construction shall be as required by this section and Table 1704.4.
Exception: Special inspections shall not be required for:
TABLE 1704.4 REQUIRED VERIFICATION AND INSPECTION OF CONCRETE CONSTRUCTION
VERIFICATION AND INSPECTION | CONTINUOUS | PERIODIC | REFERENCED STANDARDa | IBC REFERENCE |
1. Inspection of reinforcing steel, including prestressing tendons, and placement. |
- | X | ACI 318: 3.5, 7.1-7.7 | 1913.4 |
2. Inspection of reinforcing steel welding in accordance with Table 1704.3, Item 5b. |
- | - |
AWS D1.4 ACI 318: 3.5.2 |
- |
3. Inspection of bolts to be installed in concrete prior to and during placement of concrete where allowable loads have been increased or where strength design is used. |
X | - |
ACI 318: 8.1.3, 21.2.8 |
1911.5, 1912.1 |
4. Inspection of anchors installed in hardened concrete. |
- | X |
ACI 318: 3.8.6, 8.1.3, 21.2.8 |
1912.1 |
5. Verifying use of required design mix. |
- | X | ACI 318: Ch. 4, 5.2-5.4 | 1904.3, 1913.2, 1913.3 |
6. At the time fresh concrete is sampled to fabricate specimens for strength tests, perform slump and air content tests, and determine the temperature of the concrete. |
X | - |
ASTM C 172 ASTM C 31 ACI 318: 5.6, 5.8 |
1913.10 |
7. Inspection of concrete and shotcrete placement for proper application techniques. |
X | - | ACI 318: 5.9, 5.10 | 1913.6, 1913.7, 1913.8 |
8. Inspection for maintenance of specified curing temperature and techniques. |
- | X | ACI 318: 5.11-5.13 | 1913.9 |
9. Inspection of prestressed concrete: a. Application of prestressing forces. b. Grouting of bonded prestressing tendons in the seismic-force-resisting system. |
X X |
- |
ACI 318: 18.20 ACI 318: 18.18.4 |
- |
10. Erection of precast concrete members. |
- | X | ACI 318: Ch. 16 | - |
11. Verification of in-situ concrete strength, prior to stressing of tendons in posttensioned concrete and prior to removal of shores and forms from beams and structural slabs. |
- | X | ACI 318: 6.2 | - |
12. Inspect formwork for shape, location and dimensions of the concrete member being formed. |
- | X | ACI 318: 6.1.1 | - |
For SI: 1 inch = 25.4 mm. |
a. Where applicable, see also Section 1707.1, Special inspection for seismic resistance. |
Notes
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