Tracking of Modifications 3/12/09

Animas - La Plata Project
Tracking of Modifications
Contract No. 03 -NA -40 -8013
Durango Pumping Plant, Stage 2
Modification
Date
12- Mar-09
Number
Executed
Amount
Description of Modification
Change Road Grade from 8% between Stations 10+00 to 18 +50 to 6 °. from Stations 3 +00 to 18 +50 to provide for safer access to the DPP and the batch
001
19- Nov-04
$
plant pad. Adds excavation work and deletes embankment. Net impact is $0.00.
002
2-May-05
$ 1,081,000
Provide Payment for standby costs at the SUSG Temporary Portable Batch Plant until commercial operations from the batch plant are approved
003
24-Jun-05
$ 153,842
Defiinkize Mod. No. 2
004
14- Jun-05
$ 94,736
Furnish and Install 3/4 -Inch PVC and Rigid Steel RS Conduit
005
17- Jun -05
$ -
Obligate funds to contract.
006
6- Jul -05
$ -
Correct allocation of funding to contract.
007
30-Aug-05
$ 41,150
Provide merit for City of Durango sewer and water to fees and meter.
008
16-Sep-05
$
Obli ate funds to contract.
009
23-Se "5
$ 257,772
Undefinitized Modification for proposal Preparation costs in accordance with the requirements of 93 -638.
010
30-Se 05
$ -
Obligate funds to contract.
011
012
25 -Oct-05
$
Undefinitized Modification to allow the use of Type 1 /II LA cement in lieu of Type V cement due to national shortage of Type V.
23 -Nov -05
$
U011 gate funds to contract.
Provides payment for labor, and laboratory testing required to meet the waste water monitoring requirements of the specifications. Costs for this work
013
21 -Dec-05
$ 16,666
was
inadvertently left out of the the original contract negotiations.
014
3- Feb-06
$ 5,000
Provides payment for work required to prepare a site for a new Government office trailer at the pumping plant site.
015
22- Mar-06
$ 5,600
Provides for installation of rock berms in the Animas River to adjust the flow characteristics around and adjacent to the Fish Outfall Structure.
016
16-Apr-06
$ -
Coned Accounting Data
017
19- Jun-06
$ 4,000
Provides for a revision of the insulation details for the exterior of embedded ductwork.
Correct the specification requirements for the geonet material to be installed above the pervious backfill material.
018
22 -Jun -06
$ 6,400
019
26 -Jun-06
$ 11,400
Increase the estimated value of Modification No. 018 for the geonat material.
020
021
25-Jul 06
$ 8,602
Definitize Modification No. 014 to provide payment for work required to prepare a site for a new Government office trailer at the pumping plant site.
13- Jul-06
$ 215,400
Implement the rovisions of the fuel escalation clause in the contract for SUSG.
022
14 Jul 06
$ 22,000
Direct additional excavation for the City of Durango Air Chamber foundation. Corrects conflict between Sta e 1 and Stage 2 contract documents.
023
29-Aug-06
$ -
Administrative modification to correct accounting data in Modification No. 022.
024
__20-Sep-06
$
Obligate funds to contract.
025
20- Sep-06
$ 27,000
Undefintized Modification to provide payment for additional excavation and backfill required for installation of the segmental retaining wall in the pumping
)ant service Yard. Retaining wall is contractor designed and specific requirements for excavation were not known at the time the bid was
026
27-Sep-06
$
prepared.
Obligate funds to contract.
027
28-Se
$
Obligate funds to contract.
028
26 -Oct-06
$
funds to contract.
029
2- Nov-06
$
-Obligate
Obligate funds to contract.
Definitize Modification No. 025 for additional excavation and backfill required for installation of the segmental retaining wall in the service
030
22- Nov-06
$ 57,726
yard. pumping plant
031
29- Nov-06
$
Obli ate funds to contract.
032
15 -Dec-
$ -
Obligate funds to contract.
033
19 -Jan-07
$ 50,343
Furnish and Install Additional Electrical Conduits
034
23 -Jan-07
$ 110,000
Durango Discharge Line Backfill Concrete
035
151-Feb-07
$ -
Milestone 1 - Switch and Extension
036
26-Feb-07
$ 99,190
Fumish and Install Electrical Wire and Cable
037
21 -Mar -07
$ 2,615
Difinitize Modification No. 15 and Reiocate Eddy
038
20 -Mar -07
$
—Obligate funds to contract.
039
20-Apr-07
$ 13 113
Minor Electrical Revisions
040
24-Apr-07
$ 10,000
ALstments to the COD Waterline
041
7- Jun -07
$ 32 373
Chan es the radio desi n of the DPP site, adds stonnwater draina e i in
042
8 -Jun 07
$ 5,000
.
Provides for rock excavatio required for the installation of the COD discha e i
043
24 -Jul -07
$ 32,373
.
Revised grading directed under Mod #041
044
1 -Au -07
$
Obligate funds to contract.
045
5-Se "7
19-Se 7
26-Sep-07
26-Se 07
28 Se 7
$
$ 1,718
$ 170,000
$ -
$
Obligate funds to contract.
Motor Operated Overhead Door Revisions
Switch ear Desi n Revisions
Obli ate funds to contract.
Obli ate funds to contract.
046
047
048
049
050
17 -Oct -07
$
Definitize Mod #047
051
10- Dec-07
$ (632.1861
$ -
$
Reduces the contract value and closes the bid item for reimbursement of standby costs to SUSG for the temporary ratble batch plant.
Obli ate funds to contract.
Obligate funds to contract.
052
2 -Nov -07
053
9 -Nov -07
054
5 -Dec-07
10 Dec 07
$
$
Obli ate funds to contract.
ON ate funds to contract.
055
056
5- Jan-08
$ 4,392
$ 30 651
Provide aluminum ramR for electrical ul , and additional disconnect switches.
Revised the channel bases beneath electrical gear for additional suuport. and galvanizing.
057
-Jan -08
058
25- Feb-08
27- Feb-08
$
$ 29,028
Obli a fun contract.
Revised door uirements for card readers and magnetic switches and than ed #110 to bullet resistant. Security requirements.
059