Tracking of Modifications 3/12/09

Animas - La Plata Project
Tracking of Modifications
Contract No. 04 -NA-40 -8034
2003 Construction Tasks - Ridges Basin Dam
Modification
Number
Date
Executed
Amount
i c- Mai -vy
Description of Modification
001
19-Se -03
$ 230,000
Modification directs the installation of permanent power to the Ridges Basin Dam Outlet Works Control House.
002
31- Oct -03
$ 400,000
Modification directs work required to provide for the care and diversion of Basin Creek. Scope includes constructing a cofferdam and outlet facilities; and
temporary diversion channel through the dam foundation area and Basin Creek Drop Structures 1-4
003
31- Oct -03
$ 1,000,000
Modification directs the construction of Drop Structures 1,2, and 3; improvement of gas line crossings; and compaction of waste fill in Basin Creek
Improvements upstream of Drop Structures 1,2, and 3.
004
05- Jan -04
$ 135,545
Modification definitizes the contract price adjustment for the changes directed under modification 002
005
05- Jan -04
$ 29,846
Modification definitizes the contract price adjustment for the changes directed under modification 003
006
01 -Jun -04
$ -
Modification directs the installation of ri rap in lieu of articulated concrete block on drop structures 1, 2, and 3.
007
05- Jun -04
$ 160,000
Modification directs work required to provide for storm water controls downstream of the Basin Creek cofferdam. Scope includes following "Best
Management Practices ", constructing and maintaining diversions and repairing stormwater damage
008
04-Au -04
$ 130,000
Modification directs changes to the drop structure stilling pools. Scope includes constructing approach and discharge transitions and constructing
permanent channel between drops 1 and 2
009
28-Sep-04
$ 99,990
Modification provides reimbursement for contractor costs incurred for consultant services for Borrow Area B analysis.
010
06 -Ma -05
$ -
Amend Scope of Mod. No. 001 to provide for installation of fiber optic in lieu of permanent electrical power.
011
24- Jun -05
$ 24,000
Modification directs work required to furnish, install, and maintain a rock fall safety fence on the top of the right abutment.
012
24- Jun -05
$ -
Correct allocation of funding for contract.
013
29 -Au -05
$ 50,000
Modification Provides payment for shaping of the right abutment and installation of rock bolts in the P7 sandstone unit.
014
23-Se -05
$ 23,000
Undefinitized modification for proposal ereparation costs in accordance with the requirements of 93 -638.
015
02- Mar -06
$ 46,000
Definitize Modifications Nos. 001/010 regarding the installation of fiber optic cable to Ridges Basin Dam.
016
31- Jul -07
$ -
Redirect Project funding to Contract (8064)
017
17-Sep-08
$ -
Payment Address Change
Total
$ 2,176,689