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Publication Number: FHWA-HRT-05-159
Date: June 2006

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Design and Construction of Driven Pile Foundations – Lessons Learned on The Central Artery/Tunnel Project

Chapter 5. Cost Dataof Driven Piles

This chapter presents a summary of the costs associated with pile driving operations on the CA/T project. The costs presented in this report were obtained directly from the contractor and represent the contractor's bid estimates identified in the individual contracts. The primary purpose of the cost data is to document the approximate cost of pile driving on the CA/T project; however, the data may also be useful to design engineers for planning purposes.

The contractor's bid costs for pile driving are summarized in table 13 by pile type. Unless noted, the costs in table 13 do not include costs for preaugering or costs associated with the mobilization or demobilization of the contractor's equipment. Steel pipe piles had the highest unit costs, ranging from $213 per meter for the 81.3-cm pile to $819 for the 154.9-cm pile. Unit costs for the PPC piles were lower, ranging from $72 to $197 per meter for the 30-cm PPC piles and $95 to $262 per meter for the 41-cm piles. As one would expect, the unit costs tended to decrease with the increasing size of the contract. The contractor's bid costs for preaugering are summarized in table 14. Preaugering was not performed in contract C07D1, and preaugering costs were not identified in the contract C07D2 bid. As shown in table 14, the additional cost of preaugering ranged from $33 to $49 per meter.

Table 13. Summary of contractor's bid costs for pile driving.
Contract Pile Type Estimated Length of Pile Installed (m) Estimated Cost of Installation Cost per meter of Pile1
C19B1
32-cm concrete-filled steel pipe
550
$1,183,650
$213.19
C09A4
41-cm concrete-filled steel pipe
5,578
$1,647,000
$295.27 2
C19B1
61-cm concrete-filled steel pipe
296
$242,500
$819.26
C08A1
30-cm square PPC with stinger
792
$156,000
$196.97
C19B1
30-cm square PPC with stinger
2,177
$285,720
$131.24
C09A4
30-cm square PPC
3,658
$600,000
$164.02 2
C07D2
30-cm square PPC with stinger
3,981
$289,510
$72.72
C07D1
30-cm square PPC with stinger
7,955
$652,500
$82.02
C19B1
41-cm square PPC with stinger
6,279
$824,000
$131.23
C08A1
41-cm square PPC with stinger
8,406
$2,206,400
$262.48
C09A4
41-cm square PPC with stinger
14,326
$3,290,000
$229.65 2
C07D2
41-cm square PPC with stinger
19,879
$2,396,800
$120.57
C07D1
41-cm square PPC with stinger
32,918
$3,132,000
$95.15

Notes:

1. Unit costs include the costs of materials and labor for pile driving only. Preaugering is not included unless otherwise noted. See table 14 for preaugering unit costs. Mobilization and/or demobilization costs are not included.

2. Unit costs include the costs of preaugering.

Table 14. Summary of contractor's bid costs for preaugering.
Contract Preaugering Depth Range (m) Estimated Total Preaugering Depth (m) Estimated Cost of Preaugering Estimated Cost per meter
C08A1
0 to 30.5
2,134
$70,000
$32.80
C19B1
0 to 30.5
3,712
$182,655
$49.21

 

 

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The Federal Highway Administration (FHWA) is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. is a major agency of the U.S. Department of Transportation (DOT).
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