CONSTRUCTIO$ QUALITY ASSURANCE ON-SITE- DISPOSAL ...

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--- GeoSyntec Consultants
FLUOR FERNALD
PROJECT:
ON-SITE DISPOSAL FACILITY (OSDF)
LOCATION: FERNALD, OHIO PROJECT NO:GQ1029 TASK NO: 04
DESCRIPTION: PHASE II CONSTRUCTION WEEK ENDING: 18 MARCH 2001
WEEKLY REPORTNO. 187
The report period covered by Weekly Report No. 187 is from Monday, 12 March 2001
through Sunday, 18 March 2001. The Resident Engineer’s Weekly Report and the
Construction Quality Control (CQC) Consultant’s Weekly Report are combined into one
report for the: (i) On-Site Disposal Facility (OSDF) Phase I1 and Phase 111 projects; and
(ii) Enhanced Permanent Leachate Transmission System (EPLTS) project. During the
period, there was approximately 0.8 inches of rain recorded.
Construction Progress
OSDF Phase II
No fieldwork activities.
OSDF Phase III
IT Corporation, the Phase 111 Cell 1 Cover Construction Contractor continued providing
submittals for the construction work. Construction is anticipated to start in Spring 2001.
Fluor Fernald continued to receive No. 78 coarse aggregate for the Cell 1 cover drainage
layer. Hauling was discontinued on 16 March 200 1 due to failing conformance sampling.
EPLTS
The STAVER Group, Inc. (STAVER) placed 304 stone for the entrance of Valve House
5 (VH-5). The UMTA drainage corridor near VH-4 was completed and compacted fill
was placed between VH-5 and VH-6.
STAVERs subcontractor, ISCO, welded flange rings in the Control Valve House and
made repairs in VH-5 and VH-6. Sponge testing for leak detection by Fluor Fernald
revealed leaks in other Valve Houses that will be repaired by ISCO in the following
week.
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PER C. Sukow/K. Badu-Tweneboah
OGeoSyntec Consultants FILE No. 1-05-WFR SHEETNo. 1 of 4