HomeMy WebLinkAboutPrebid - RFP - P983 NORTHSIDE AZTLAN CENTER DESIGN BUILDATTENDANCE RECORD
PREBID CONFERENCE
Project: Northside Aztlan Center Design Build
RFP P-983
Time: 10:00 A.M.
Date: March 15, 2005
ocation 300 West Laporte Ave City Council Chambers
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United States
Environmental Protection
Agency
The purpose of this fact
sheet is to provide an
update on cleanup efforts
currently underway at the
Cache la Poudre River in
Fort Collins.
Public Service Company of
Colorado (doing business
as Xcel Energy) is
conducting the work with
oversight from the U.S.
Environmental Protection
Agency (EPA). Cleanup is
expected to be complete by
late June.
Update on the
Poudre River Ctea-nup
Poudre River Gas Company Site
Fort Collins, CO March 2005
Construction Activities Nearly Complete;
Restoration Now Underway
Cleanup activities at the Poudre River are proceeding on schedule and
contractors expect to have the diverted section of the Poudre River back
in place by April 1.
Restoration efforts have begun and will continue until approximately late
June. The river and affected upland areas are being restored according to
a plan approved by the EPA and City of Fort Collins.
Workers have finished excavating sediments and bedrock within and
beneath the river and they have completed construction of the
underground barrier wall (which will not be visible to those who use the
river for recreation). Contractors are now constructing the ground water
control wells and sump pumps that will keep contaminants from moving
around the wall and towards the river. Water retrieved by the pumps will
be treated by an on -site treatment system. To appropriately size the
water treatment system, contractors plan to use a temporary treatment
system for the first year and then construct a permanent structure based
on site needs.
The affected area encompasses an approximately 700-foot stretch along
the southwest bank of the river (East of North College Avenue and west
of Linden Street, behind the Northside Aztlan Center and United Way
Building).
The contaminants are likely remnants of coal tar, a by-product
historically associated with coal gasification plants. The Poudre Valley
Gas Company, operated by a Public Service Company of Colorado
predecessor, converted coal into fuel for home heating and city lights
between 1904 and 1926. Chemicals from other sources, such as gasoline
and other petroleum -related by-products from leaking underground
storage tanks, also have been detected in water and soil samples in the
area.
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ATTENDANCE RECORD
PREBID CONFERENCE
Project: Northside Aztlan Center Design Build
RFP P-983
Time: 10:00 A.M.
Date: March 15, 2005
Location: 300 West Lanorte Ave City Cnunnil Chnmh
NAME
FIRM NAME
ADDRESS
TELEPHONE
FAX #
E-MAIL ADDRESS
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ATTENDANCE RECORD
PREBID CONFERENCE
Project: Northside Aztlan Center Design Build
RFP P-983
Time: 10:00 A.M.
Date: March 15, 2005
Location: 300 Wact I annrta Ave City Cnnnra r knmknrc
NAME
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ADMINISTRATIVE ORDER OF CONSENT
LARIMER COUNTY, COLORADO
Appendix E
Site Location
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OApproximate Boundary of NAPL Impacts In Bedrock
(dashed where Inferred)
Approximate Boundary of NAPL Impacts Observed
In Unconsolidated Alluvium (dashed where Inferred)
Approximate Boundary of NAPL Impacts Observed
In Unconsolidated AlhMum and Bedrock
(dashed where inferred)
Q Building
Approximate Extent of Observed
Fill and Trash Debris
Approximate Extent of Former Landfill
Site outline
Former Location of Poudre
Valley Gee Company
t --- Schrader Oil or Public Service
_.. _. Company Properly
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Feat
POUDRE RIVER SITE
SITE ASSESSMENT
LARIMER COUNTY, COLORADO
Figure 4
SA Drilling Locations with
Extent of Coal Tar Impacts
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POBS
NON -AQUEOUS PHASE LIQUID (NAPL)
PASSIVE DIFUSSION BAG SAMPLER
NOTE
ALTHOUGH CONTA6NANi VOLATILIZATION 15 UKELY OCCURRING TO SOME
DEGREE WHEREVER VOLATILE CONTAMINANTS ARE PRESENT ACROSS THE SITE,
SOME OF THE VARIATIONS IN THE DETECTIONS AND THE LEVELS OF
DETECTIONS IN SOIL GAS DEPICTED IN FIGURES 16 THROUGH 19 MAY BE
_ FIGURE S v'rnv
CONCEPTUAL SITE MODEL DIAGRAM
GEOLOGIC CROSS-SECTION A -A'
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WELL SCREEN INTERVAL EXPLAINED BY LOCALIZED SOIL GAS TRANSPORT OR BY ATTENUATION
MECHANISMS. AS DISCUSSED IN SECTION 4.1 OF THIS REPORT AND
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COAL TAR
ILLUSTRATED ON THIS FIGURE FOR SOIL GAS SAMPLES E12 AND N13.
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LEGEND
LANDFILL MATERIAL
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POST -PINEY CREEK ALLUVIUM (UPPER HOLOCENE)
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FREE PHASE COAL TAR
BROADWAY ALLUVIUM (PLEISTOCENE)
MASSIVE GLAUCANITIC SANDSTONE (PIERRE SHALE)
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WEATHERED BEDROCK
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WATER TABLE (APPROXIMATE)
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COAL TAR
WELL SCREEN INTERVAL
SCALE: HORZ. 1" = 70' (APPROX.)
VERT. 1" = 15'
%1:5 VERTICAL EXAGGERATION
Ust of Area structures
1 - Historical Power Plant Site
2 - CSU Engines and Energy Conversion Lab
3 - Rapid Lube
4 - The Family Center
5 - Scout 66 Car Wash
6 - A Classic Touch
7 - Forme Schrader Oil Company Maintenance Fedllty
8 - Former Schrader OI Company Bulk Plant
9 - Historical Gas Plant
10 - Gddings Machine Shop
11 - Interstate Batteries
12 - Clear Cut dose
13 - Education and Life Training Center
14 - El Burdto
16- RendTway
16 - Northern Colorado Feedws Supply
17-Ranchway
18- Schrader Building
19 - United Way Building
20 - Pubic Service Company
21- Playground
A - Norhside Aztian Center
G - Former Gas Holders
R - Residential
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Lenend
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Recreation Path
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Approximate Extent of Observed
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FRI and Trash Debris
Approximate Extent of Former Landfill
Site Outline
OFormer
I -Mallon of Poudra
Valley Gas Company
-- ..
Schrader 01 or Pubic Service
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Company Property
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a � aro
F.,
POUDRE RIVER SITE
SITE ASSESSMENT
LARIMER COUNTY, COLORADO
Figure 2
Site Layout
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