SECTION 02468N DRILLED FOUNDATION CAISSONS

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USACE / NAVFAC / AFCESA

UFGS-02468N (September 1999)

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Preparing Activity: NAVFAC

Replacing without revision

NFGS of same number and date

UNIFIED FACILITIES GUIDE SPECIFICATIONS

References are in agreement with UMRL dated 23 June 2005

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SECTION 02468N

DRILLED FOUNDATION CAISSONS

09/99

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NOTE: This guide specification covers the

requirements for the procurement, installation, and

testing of drilled foundation caissons.

Comments and suggestions on this guide specification

are welcome and should be directed to the technical

proponent of the specification. A listing of

technical proponents, including their organization

designation and telephone number, is on the Internet.

Recommended changes to a UFGS should be submitted as

a Criteria Change Request (CCR).

Use of electronic communication is encouraged.

Brackets are used in the text to indicate designer

choices or locations where text must be supplied by

the designer.

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NOTE: On the drawings, show:

1.

Subsurface-soil-data logs.

2.

Top and bottom elevation of each caisson.

3. Size (diameter in mm inches, bearing capacity,

and total number of each size of caissons.

4.

Dimensions of the bell, if required.

5.

Dimensions of the casing.

6.

Reinforcing steel details, if required.

7. Location of caissons to be penetration tested,

if required.

8. Location of caisson to be proof tested, if

required.

SECTION 02468N

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