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Geotechnical Engineering

 

Summary Of Drilled Shaft Installation Plan

(pdf, 21 kb.)


a. Name of Drilled Shaft Superintendent   FHWA Pub.
IF-99-025
xxx.12 (a)
Experience
 

b. Equipment Manufacturer Model Size
Drill Rig      
Crane      
Augers      
Casing      
Bailing Bucket      
Final Cleaning Equipment      
Desanding      
Slurry Pump      
Core Sampling Equipment      
Concrete Pump      

c. Sequence of Construction:
How Many Crew  
How many shafts  
How many bents or shaft groups  
d. Details of Shaft Excavation Methods:
 
e. Details of Slurry:
Type  
Method to mix/circulate  
Desand  
Testing  
Name of lab  
f. Details of method to clean shafts after initial excavation:
 
g. Details of shaft reinforcement:
 
h. Details of concrete placement procedures:
Concrete or pump tremie  
Initial placement  
Raising during placement  
Overfilling shaft  
Provisions to ensure final shaft cutoff elevations:  
 
i. Details of casing removal:
 
1. Required submittals:
Shaft drawings  
Concrete mix design  
2. Details of Load Test:
Equipment  
Procedure  
Calibration  
3. Prevention of displacement of casing/shaft during placement
Compaction of fill  
Method  
Equipment  
4. Environmental control procedures to prevent loss of slurry or concrete into waterways:
 
5. Other information:
 

TOC

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Updated: 04/07/2011

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United States Department of Transportation - Federal Highway Administration