UpCodes logo
Go To Full Code Chapter
Installation and testing of deep foundation elements shall be subject to special inspections as specified in Table 1705.7. The approved geotechnical report and construction documents prepared by the registered design professionals shall be used to determine compliance. A special inspector shall be present during the installation and testing of each deep foundation element. The frequency shall be in accordance with the frequency specified in Tables 1705.7, 1705.7.1, 1705.7.2 and 1705.7.3, as applicable. Submittal of records of special inspections required by this section shall be in accordance with Section 1705.7.5.

TABLE 1705.7
REQUIRED SPECIAL INSPECTIONS AND TESTS OF DEEP FOUNDATION ELEMENTS
INSTALLATION CONTINUOUS SPECIAL
INSPECTION
PERIODIC SPECIAL
INSPECTION
1. Verify the identifying designation of the deep foundation element and record the date of installation, including the start and end times.
X
2. Verify the size, material, and allowable capacity as specified in the construction documents.
X
3. Record the elevation of the minimum required depth of penetration and record the final tip elevation and butt elevation.
X
4. Record the elevation of splices and note whether or not the splices were installed and located in compliance with the construction documents.
X
 LOAD TEST
   
5. For load test requiring a load or reaction frame, inspect the construction of the load or reaction frame. Record the results of the inspection and note whether or not the frame complies with the construction documents prepared by the registered design professional.
X
6. Record the identifying designation for the element being tested, and the date of the testing, including the start and end time.
X
7. Record the method of performing the test, including the equipment being used, as well as the test results, noting whether or not the method of testing and the test results comply with the requirements of Sections 1810, 1811, and 1812 and the construction documents.
X
1705.7.1 Driven and Vibrated Deep Foundation Elements
The installation and testing of driven and vibrated deep foundation elements shall be subject to special inspections as specified in Table 1705.7 and Table 1705.7.1.

TABLE 1705.7.1
REQUIRED SPECIAL INSPECTIONS OF DRIVEN AND
VIBRATED DEEP FOUNDATION ELEMENTS
INSTALLATION CONTINUOUS SPECIAL
INSPECTION
PERIODIC SPECIAL
INSPECTION
1. For driven deep foundation elements, record the type and size of hammer and record the number of blows per foot of penetration from the start of driving until the final blow count required by the construction documents is reached.
X
2. For vibrated deep foundation elements, record the equipment and method used for installation and record the time for each foot of penetration from the start of installation until completion.
X
1705.7.2 Drilled Deep Foundation Elements
The installation and testing of drilled deep foundation elements shall be subject to special inspections as specified in Table 1705.7 and Table 1705.7.2.

TABLE 1705.7.2
REQUIRED SPECIAL INSPECTIONS OF DRILLED DEEP FOUNDATION ELEMENTS
INSTALLATION CONTINUOUS SPECIAL
INSPECTION
PERIODIC SPECIAL
INSPECTION
1. Record the equipment and method used for installation and record the time for each foot of penetration from the start of installation until completion.
X
2. For deep foundation elements requiring a rock socket:
X
2.1. Record the equipment and method of drilling the rock socket. Record the top elevation and bottom elevation of rock socket, as well as the time for each foot of drilling the rock socket.
2.2. Inspect the rock socket to verify rock quality as required by Section 1812 and the construction documents. Record the results of the inspection and note whether or not the rock socket complies with the requirements of Section 1812.
1705.7.3 Cast-in-Place Deep Foundation Elements
The installation and testing of driven or drilled cast-in-place deep foundation elements shall be subject to special inspections as specified in Tables 1705.7, 1705.7.1, 1705.7.2 and 1705.7.3, as applicable.

TABLE 1705.7.3
REQUIRED SPECIAL INSPECTIONS OF DRIVEN OR
DRILLED CAST-IN-PLACE DEEP FOUNDATION ELEMENTS
INSTALLATION CONTINUOUS SPECIAL
INSPECTION
PERIODIC SPECIAL
INSPECTION
1. Prior to placing concrete, inspect the inside of the pile for alignment and damage. Record the results of the inspection, noting whether or not the pile is in compliance with Section 1812 and the construction documents.
X
2. Witness the placement of concrete or grout inside the deep foundation element, and record the volume placed. Note the date and time of placement, and whether or not the concrete or grout was placed in compliance with Section 1812 and the construction documents.
X
1705.7.4 Additional Inspection
For methods of deep foundation element installation not covered in Section 1705.7, perform an additional inspection as required by the approved construction documents and record the results noting whether or not the deep foundation element installation complies with the requirements of Sections 1810, 1811, and 1812, and the construction documents. For steel deep foundation elements, perform an additional inspection in accordance with Section 1705.2. For concrete or grout deep foundation elements, and concrete or grout-filled deep foundation elements, perform an additional inspection in accordance with Section 1705.3. For concrete or grout, and concrete or grout filled deep foundation elements, perform an additional inspection in accordance with Section 1705.3.
1705.7.5 Submittal of Records of Special Inspections
The special inspection agency shall submit to the commissioner records of the inspection of the installation of each deep foundation element. The special inspection agency shall also submit records of testing of deep foundation elements at the request of the commissioner. The submittal shall include the following:
  1. A location plan showing the designation identifying each deep foundation element, and the locations of required testing, where applicable.
  2. A written summary of the installation and testing performed, signed by the special inspector, including a statement verifying that all installation and testing complies with the requirements of Sections 1810, 1811 and 1812, and the construction documents. The special inspector shall document the type and results of tests, and information of the technician and testing agency performing the test.

Related Code Sections

1704.8 Structural Tests and Special Inspections, Deep Foundation Elements
The installation of deep foundation elements shall be subject to special inspections. A special inspector shall be present continuously during ...
1705.7 Special Inspections and Tests, Deep Foundation Elements
Installation and testing of deep foundation elements shall be subject to special inspections as specified in Table 1705.7. The approved geotechnical ...
1705.7.4 Special Inspections and Tests, Additional Inspection
For methods of deep foundation element installation not covered in Section 1705.7, perform an additional inspection as required by the approved ...
1704.8.5 Structural Tests and Special Inspections, Helical Pile Foundations
Special inspections shall be performed continuously during installation of helical pile foundations. The information recorded shall include ...