Tracking of Modifications 3/12/09

Animas - La Plata Project
Tracking of Modifications
Contract No. 04 -NA-40 -8054
Ridges Basin Dam, Outlet Works Tunnel Excavation
Modification
Number
Date
Executed
Amount
i d- Hoar -ua
Description of Modification
001
21 -Mar -05
$ -
Obligate funds to the contract.
002
14-Apr-05
$ 16,800
Modification directs additional excavation in the outlet works downstream channel and the placement of cobbles below subgrade of the structure to stabilize
the foundation
003
004
$ -
$ 59,352
Modification provides for a 42 calendar day time extension to contract. Extends completion date to Jul 15, 2005.
Undefinitized modification for proposal preparation costs in accordance with the requirements of 93 -638.
005
$ -
Redirect project funding to Contract 8064)
006
$ -
Obligate funds to the contract.
007
17-Sep-08
$ -
Payment Address Change
Total
is
76,152