Tracking of Modifications 3/12/09

Animas - La Plata Project
Tracking of Modifications
Contract No. 04 -NA-40 -8064
Ridges Basin Dam Completion
Modification
Date
12- Mar-09
Number
Executed
Amount
Description of Modification
001
19 -Apr -05
$ 742,992
Modification incorporates an requirement to provide physical security for the A -LP Project. Scope includes furnishing an armed guard to patrol during non-
002
26 -0.5
$ -
rkln construction hours.
Administrative Mod - Correct Funding for Mod. No. 1
003
28 r -05
$ 303,260
Final Desi In and Installation of Permanent Electrical Service to RBD
004
14 -Jun -05
$ 3,100
Modification directs contract to rovide a straddle Packer for use in water testing
005
06-Jul-05
09-Aug-05
18-Sep-05
$ 54 000
$ 7,000
$ 10,000
of rout holes.
Modification directs contractor to construct access stairwa on ri ht abutment to provide safe access to grouting operation.
Undefinitizad ad to install rock bolts to stabilize a rock mass on the ri ht abutment beneath the scaffoldin .
Undefinilized modification for the unloadin and installation of a tower for the securi em on the left abutment of the dam.
006
007
008
14- Sep-05
$
Undefinitized modification to remove sediment which had accumulated upstream of Drop Structure 13 in preparation for the upcoming winter and spring
009
16-Sep-05
20,000
$
months.
Obli ate funds to the contract.
010
011
23 Se 5
29-Se
$ 424,256
Undefinimed modification for proposal re ration costs in accordance with the re uirements of 93 -638.
$ -
Obligate funds to the contract.
012
25 -Oct -05
21 -Oct -05
21 -Oct -05
$
$ 300
$ 8,629
Correct annual f -mcn re graph in contract.
Definitize Modification No. 4 to provide straddle acker.
Modification reimburses the contractor for costs incurred for the partnering consultant
013
014
015
$
Pendm
016
5
5
$
$ -
$ 82,000
Undefinitized Modification to allow the use of T 1 /II LA cement in lieu of T V cement due to national shortage of T V.
Undefinitized Modification to adjust the moisture content uirement for the Zone 1 Contact Clay laced against the dam foundation.
Undefinitized modification fo rovide for excavation on left abutment to adjust drains a to meet actual round conditions.
017
018
5
019
6
=$-
Definitaad modification to provide for placement of filter, drain, and embankment on left abutment to adjust drainage to meet actual
$ 172,004
ground conditions. Also
definilized Modification No. 18 for excavation of this area.
020
021
27-Jan
$ 103,636
$
Definitized modification to provide for revision to Drop Structures 5 through 12 and make improvements in the Basin Creek features.
022
9,410
$
Definitizad mod cation for additional excavation at Drop Structure 5 wired to adjust to existin to rah
023
1,800
.
Modification reimburses the contractor for costs incurred for the rtnerin consultant.
$
Obli ate funds to the contrail.
024
167Feb 06
$ 4.800
Undefinitized Modfication to provide for the installation tower
025
17 -Mar -O6
17- Mar -06
$ 3,200
of I for the security system on the right abutment of the dam.
Definitize Modification No. 024 to rovide for the installation of a tower for the security stem on the right abutment.
Definitize Modifications Nos. 005 and 007 to provide for the installation of a tower for the security system the
026
$ 13,90plbd
on left abutment and for the construction of an
stairway on the light abutment,
funds to the contract.
027
11- r-06
$
028
17 -Apr -06
029
$ 58,00tized
Modification to Obligate funds for rtnerin consultant through FY2007. Modification will be definitized
030
22 -M -06
$
as the rtnerin sessions are conducted.
ed modification to adjusted the corn action re uirements for the Zone 2 and Zone 3 embankment. No increase
08 Ma 06
$ 1,345
in contract value.
d modification to core drill the linin of the inlet condui t to confirm ual' of concrete limn
031
26- Jun -06
.
payment for the purchased of Carron drums to be installed on the Cat 825 sheepsfot roller to correct the lamination being
$ 53,000
problems encountered in
1 embankment. Mod does not include payment to install drums on roller.
Definitize Modification No. 006 to install rock bolts to stabilize a rock mass on the right abutment beneath the
032
26-Jun -06
$ 9 825
scaffolding. (Originally reported as $16,825 in
8/06. Value corrected to $9,825 in 10/06.
Modification to adust unit rice n otiated in contract to account for actual costs to su I rip ra materials for the face of the dam.
033
1 &Au -O6
$ 305 500 )
034
29- Aug -06
$ 3500,000
Undefinitized modification for estimated value of fuel escalation costs in accordance with specifications requirements. Actual escalation costs will be paid, up
to full value of modification, on a monthly basis.
Obli ate funds to the contract.
Obli ate funds to the ntred.
035
31 -Au -06
$ -
036
$
037
$
)I ate funds to the contract.
038
$
Obli ate funds to the contract.
039
$
Obli ate funds to the contract.
040
041
M20-Sep-06$
$
$ 18 806
$
Modification to rovide atlditional securi ward cove a durin 0061a -offs of WCA rsonnel. P ment made under modification #001.
Sediment Removal and Dis I DS #13
Obli ate funds to the contract.
042
043
15-Dec 06
05 Jarh-07
$ 50,000
$
$
$ 8,402
$
$ 67 381
$ 98,969
$ 70,000
$ -
$ 13,549
Revisions to the Box Culvert Re uirements
Obli ate funds to the contract.
Obill late funds to the contract.
D Structure 10 & 12 Inlet Material Placement Revisioins
ate funds to the contract.
Backfill Concrete at Control House and Chute
Definitize 043 and Wheeler Access Road/Box Culvert Revision
Basin Creek Drain Toe Drain and 1 'on Well Revisons
Obli ate funds to the contrail.
Adds ressure switches, check valve filters, etc. to.hydraulic power unit
044
045
046
UMn-07
047
07 -Feb-07
048
09-Mar-07
049
18 r -07
050
O6 Mar -07
051
05-M -1 7
052
06 -Jun -07
053
15-Jun
-07
$ -
Obli ate funds to the contract.
054
0�`
21- Jun-07
25 Jul-07
$ 42,594
$ 18 919
Provides u Dstream ri at the ruin for )t ion recemmerhdatkuh from the CRB.
I Piezometere to monitor roundwater at Ri ht Abutment
056
01 -A -07
$ 3,000 Increase
Limiation of Mod #028 - Partnerine