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USACE / NAVFAC / AFCEC / NASA UFGS-31 63 26 (August 2008)
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Preparing Activity: USACE Superseding
UFGS-31 63 26.00 10 (April 2006)
UFGS-31 63 26.16 20 (April 2006)
UNIFIED FACILITIES GUIDE SPECIFICATIONS
References are in agreement with UMRL dated October 2022
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SECTION TABLE OF CONTENTS
DIVISION 31 - EARTHWORK
SECTION 31 63 26
DRILLED CAISSONS
08/08
PART 1 GENERAL
1.1 UNIT PRICES
1.1.1 Basis of Bids
1.1.2 Tests
1.1.2.1 Load Test
1.1.2.2 Penetration Test
1.1.2.3 Proof Test Hole
1.1.3 Separate Unit Prices
1.1.3.1 Additional Caisson Lengths
1.1.3.2 Omitted Caisson Lengths
1.1.3.3 Casings Permanently Left in Place
1.1.3.4 Reinforcing Steel for Additional Caisson
1.1.3.5 Reinforcing Steel for Caissons Omitted
1.1.3.6 Removal of Rock
1.1.3.7 Removal of Obstructions Other Than Rock
1.1.4 Basis of Payment
1.1.4.1 Unit Price
1.1.4.2 Full Compensation
1.1.4.3 Load Tests
1.1.4.4 Penetration Tests
1.1.4.5 Proof Test Holes
1.2 REFERENCES
1.3 SUBMITTALS
1.4 QUALITY ASSURANCE
1.4.1 Survey of Caisson Locations
1.4.2 Specialty Subcontractor Qualifications
1.4.3 Welding
1.4.4 Pre-installation Conference
1.4.5 Contractor Supervision
1.4.6 Government Inspection
1.4.7 Safety Precautions for Workmen and Inspectors
1.4.7.1 Life Line
SECTION 31 63 26 Page 1
