IR 05000731/2008001
| ML20217N715 | |
| Person / Time | |
|---|---|
| Site: | 07001113, 05000731 |
| Issue date: | 08/30/1995 |
| From: | Troup G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Bassett C NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML20217N558 | List: |
| References | |
| FOIA-97-246 NUDOCS 9708260301 | |
| Download: ML20217N715 (9) | |
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UNITED STATES
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~ NUCLEAR REGULATORY COMMISSION
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' 101 MARIETTA STREET, N.W., SUITE 2000 i, ATLANTA GEORGIA 303234199 v * * "' /
AUG 3 0 l995 NOTE T0: C. H..Bassett, Sr. Radiation Specialist 4 Radiation Safety Projects Section FROM:
G.L.Troup,Sr.FuelFacilityProjectinspector/
Radiation Safety Projects Section .
SUBJECT: MEETING HOTES - GENERAL ELECTRIC DCF On July 31 - August 1,1995, a meeting was held at the fluor Daniel Management Center in Greenville, SC for the initial project review by the participating parties in the Direct Conver: ion Facility (DCF) which is being constructed at the GE - NEP facility 1n Wilmington, NC. A list of attendees was included'in my meeting summary memo of August 10.-199 Attached for your information are a copy of my notes from the meeting, which are more detailed than the meeting summary. The major headings and topics to be discussedfare from the-GE proposed agend The 'next review meeting of this type will probably be held in Decembe A meeting with NMSS/NRC is presently scheduled for September 27-28 at
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Wilmingto ,
Attachment:
Meeting notes l -cc w/ attachment:
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' D. M. Collins q E. J. McAlpine '
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, 9708260301 970819 D PDR FOIA
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I GE/FD IDR MEETING
[7/31 8/1/95) SAFETY
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Incidents to date
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Corrective Actions Safety Awareness Program Sub-contractor management This was a discussion of the industrial safety programs for Fluor Daniel and its subcontractors, and a discussion of industrial accidents / mishaps which have occurred so far in the construction of the DCF and HF facilitie *
I SC1!EDULE Base schedule by contract 2 Performance to base Recovery Schedule FD construction management approach
- Integration schedule j For DCF
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Piles- complete at end of July, '95
- foundation- complete by end of August, '95
first floor August, '95 second floor- September, '95 third floor November, '95 i roof (first slab)- December, '95 i
HF building slab- concrete pour complete July 31 DCF- about 12% complete on structural concrete Bottom line: structures are running behind schedule
because of problems with piles (when driven, they kept
- disappearing into the subsoil). Project that roof will be in place by end of December '95 and project should be back on schedule at that time,
- Projection
Mechanical (including HVAC)- May '96 Electrical- June '96 Install process equipment- May '96- Jan '97 Construction check-out- Oct '96- Dec '96 (*)
GE production check-out- Nov '96- Mar '97 (*)
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(+) Present plan- FD and FBFC will do check-out
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systems ready for turn-over; GE will then run another test program to assure that project is
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ready and to start pow' der qualification progra This will essentially involved two test programs in serie Integration:
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Sequence and scope has to be finalized but demolition and relocation of equipment starts Apr
'96
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i II COST Guaranteed maximum price Maximum price build-up variance to base Value Engineering results
. Savings approach Integration preliminary estimate
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This was a discussion of a lot of proprietary information on cost estimates, projected over-runs and savings for the construction of the DCF and HF buildings. Some discussions also related to anticipated costs related to the " integration" of the DCF with the
existing facilities in FMO/FMOX (laundry, Gad' Shop, i
. powder storage, press feed stations, hard scrap recycle, etc.)
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There was considerable discussion of " projected"
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savings versus " actual" or " documented" savings, t (A separate project which was also discussed was the new warehouse, which will include shipping container
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refurbishment and. storage. This project is scheduled to be "above ground" by October, '95 and some structural steel in by end of '95. Concrete floor goes in in '96.)
, I DESIGN OVERVIEW / REVIEW Structural Architectural
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Equipment Layout l DCF building- concrete, frame structure
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exterior walls- same as FMOX frame, concrete walls, floor - UL 3-hour rating for fire-l HF building- metal frame, siding and roof FRP grating for intermediate levels both buildings designed for 120 mph winds
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DCF - NO penetrations in the roof M'/ft roof slope to feed gutter and down spouts lighting arrestors will be attached to walls and bend over edge of roof to preclude any roof attachments double membrane roof:
poured roof slab insulation membrane 4" concrete membrane includes an internal gutter / drain system to collect and divert any leakage through the roof membrane to prevent any intrusion to process areas basic concept is " moderator exclusion" as opposed to " moderation control" UF6 cylinders come into plant and are stored in
' existing storage area; cylinders pass into DCF on ground level and are picked up by overhead monorail insid Two autoclaves per line on ground floor; autoclaves feed calciners on second floor (1 calciner per line- three total; future expansion to four calciners will require expanding the DCF to plant north). Reaction chamber is non-favorable geometry so electrically-heated superheater use Pure H2 to be supplied-to calciners (existing system uses " cracked" ammonia)
{ NOTE: The (liquid) H2 tank and associated system are planned to be supplied and maintained on a contract basis. The size of the tank will probably place the H system under the PHA requirements-of 29CFR1910. } 2 Each calciner discharges into one of two (parallel) hoppers which are cooled with nitrogen gas. The cooling hopper is discharged to a unicone transpor .{"Unicone" containers have a flat top and conical bottom; "Bicone" containers have two cones joined at the flat section. Both containers are non-favorable geometry for 5-6% enrichment.}
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4 The following operatio'ns will be performed in the DCF before powder is transferred to FMOX:
powder blend enrichment blend (as required)
additive addition / blend granulate (will use roll tumble rather than an MSG, this is a concentric roll rather than an eccentric roll as used at Westinghouse)
powder transfer and storage will be in bicones (Recycle powder from Line 5 calciner (UCON recycle), and probably Line 6 calciner ("hard scrap" recycle) will still be collected in cans but will be dumped into a unicone and taken back for " homogenization" before going back into the powder supply stream.)
A new corridor (which is a moderation exclusion zone in weather exposed areas) will be built for the transfer of bicones from DCF to FMOX and transfer to the powder dump stations or Gad sho New enclosures will be built for the cone g discharge stations to the pellet presses (existing can dump stations will be removed).
HF- Two liquid HF tanks will be provided One tank will provide about 1 week capacity with all three lines running; 10.3 days HF-production total capacity The intention is that HF will be transferred from
.one of the storage tanks to a tanker trailer for
" distribution". Dikes and sumps-will be provided to collect and contain any spills. The basic design is that the building will be open to the atmosphere by virtue of the truck access bay (see-Section V for HVAC discussion).
(Internal discussions with GE personnel concerned possible alternative solutions for handling the-HF. The volumes of HF generated may.be considered
" considerable" by GE but may be "small" when the supply rate is evaluated by an industry which uses HF as a bulk process feed. A question the NRC asked but which was not fully answered was "If another industry doesn't want your HF, what will you do with it?" Conversion to CaFz is a possibilty, with disposal at the Pinewood chemical waste facility, but the process thermodynamics for the conversion have not been fully worked out
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- (e.g., neutralization of HF with Ca (OH)g is an J
exothermic reaction.)}
. DESIGN OVERVIEW / REVIEW Mechanical HVAC
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Process Equipment (FBFC delivery plan)
HF Building i Integratien HVAC is defined by three zones:
atmosphere "0"
> atmosphere "+"
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" Clean" areas, such as corridors and Motor Control ll Centers (MCC) are +
- The control room, conference room, supervisor office
are + and are supplied by separate ventilation system
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process areas are - relative to outside corridors
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DCF is separated from FMOX by air flow and pressure UFr pass in and storage areas are +
The net effect is that radiologically clean areas are at a slightly greater pressure than controlled areas and process areas are - compared to other process areas: intent is that air flow will be inward to help control contamination. There will be no air-recirculation or return from any process are Fire dampers in ducts are activated by " rapid rate of rise" detectors-Process ventilation - 3 50% capacity units (sized for three process lines - a fourth line' requires additional-HVAC)
Control room -100% capacity stand-by unit No duct work passes through a. precess space unless it is serving that space. Exhaust-ducts go to a trench in each equipment room. Process exhausts go to a header out in a corridor. All exhausts pass through a housing with'a prefilter and HEPA filter. One or more filter-units are provided in an equipment roo .
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f A fire damper is installed "in every vent line where a line penetrates a wall t
vaporization area and units - no wet scrubbers. In
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event of UF6 leak, vaporizer is presurrized with N, to
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keep gas in cylinder. Outside of autoclave, a UF leak 6 causes roota to isolate.
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Any process nitrogen is exhausted in process exhaust lines
HF Building:
air inlets are down low discharge is up high (this is because HF cas is about M the weight of air)
In the event of any HF leak, inlet stays open, outlet dampers close and emergency scrubber comes into service
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V DESIGN OVERVIEW / REVIEW Electrical
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Monitoring System Energy Savings Plan
Equipment Installation (FBPC delivery plan)
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Coordir.ation between FBFC/FD l Code requirements Responsibilities:
FBFC:
Process control and instrumentation Process power below MCC Fluor Daniel:
non-process power non-process control
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lighting computer power
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building utilities Power systems are divided into three classes:
non-essential:
i lighting non-process loads
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essential: (economic considerations)
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thermostatic unit's security lighting vital: (safety and life support)
critical processes emergency lighting Normal power comes from off-site utility substation; back-up power comes from diesel generators Utility Generators 4 4
.................. switch - -- --------* UPS i
4 4 4 non-essential essential vital existing DGs: 2-1,250 kw DG for emergency power
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additional capacity will be installed
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UPS : normally fed from utility on DGs during outages will provide safe shutdown during power outage Communications and monitoring:
Fire / smoke /HF monicors (firealarm panel in Control Room but feeds ECC alarm panel and AUTOCALL system)
criticality-alarm telephone system and LAN connected to existing plant systems public address / intercom DCF protected with lighting arrestor and dissipation system but it cannot penetrate roof HF building: no special system but steel support columns are grouned VI PDS REVIEW
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This was a demonstration of" the computer system used by
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Flour Daniel to design and coordinate the buildings and equipment. The computer allows rooms or equipment to be rotated and viewed from different perspective Equipment can be added or moved and showm where interferences or conflicts may exist. The program maintains everything to scale.
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- VII CONFIGURATION MANAGEMENT This was a discussion of the Fluor Daniel system called EPCOM for maintaining an integrated project databas The system integrates ten different fields. A change in, say, a piece of equipment such as pump triggers other fields (engineering drawings, vendor manuals, spare parts requirements, preventive maintenance and training) which have to be updated as wel When the project is turned over to the customer, a copy of the database and software are turned over at the same tim GE has a Configuration Management program and will hs.ve
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to determine how to integrate the EPCOM database into the control proces I WRAP-UP Action Plan Basically a GE function DCP people will keep working on DCF building; another group identified to work on Integration and define how to accomplish while still making powde Basic charter for second group is to de'ine what will be required when the facility is fully functional in
'98, then work backward to define what has to be accomplished in Intgration. Team will NOT etart now and work forward through Integratio Target for defining the interface.is 17 August.