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Question: Why is $60.5 million needed for the Stanford Linear Collider in FY 1985? How would a $20 million reduction affect the project?

Answer: The Stanford Linear Collider (SLC) was planned on an optimized three-year construction schedule. The $60.5 million requested for SLC is required to maintain the schedule for this important project. The SLC project has gotten off to an excellent start in PY 1984. The $32 million construction funds appropriated by Congress for FY 1984 was made available to the Stanford Linear Accelerator Center (SLAC) on October 3, 1984; within a week, the first major contract was awarded by SLAC. This contract was with Gates and Hodges, a California-based tunneling contractor, for construction of the two arc tunnels that will contain the magnets which guide the electrons and positrons from the end of the existing SLAC linac to the SLC interaction region. Since then, additional large contracts have been let for procurement of magnet steel and for production of magnet laminations. Several major milestones have been completed; among them improvement of the SLAC linac and success of efforts to reduce the electron and positron beam cross sections and acceleration of tightly bunched, high peak current electron beams through the first third of the two-mile long linear accelerator with proper characteristics for SLC operation. The ability to continue the excellent progress on SLC and meet the planned goal of first beam in October 1986 is paced by funding. The FY 1985 funding request is essential to complete procurement of critical technical components and to place under contract the construction of the interaction hall which is on the critical path for completion of this project and where experiments will be located.

A $20 million reduction in the fiscal year request of $60.5 million for SLC construction would delay the project by a full year and would add about $9 million to the cost, depending in part on the final funding profile provided. A primary factor in the increased cost is that the staff supporting the SLC activity would have to be maintained for an additional year both in the R&D and construction phases of the SLC project. The present estimate is that the additional costs to the project would be $6.0 million for incremental staff costs and inefficiency associated with a one-year delay and that the escalation on deferred funding would add an additional $3.0 million to the total estimated cost.

The SLC has been developed with a dual purpose; to take major step forward in accelerator technology which is essenti. future progress in the capability of electron-positron collid and to provide a copious source of the newly discovered zo pa: for the purpose of studying the electroweak interaction. The will give U.S. physicists a first and unique opportunity in tl world to carry out precision research in this scientifically exciting and important area of physics.

Question: Provide a list of the proposed GPP projects a laboratory including the TEC of each. Also, please provide a breakdown for FY 83 and FY 84.

Answer: The requested information for GPP projects is s! in a table I would like to insert in the record.

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Brookhaven National Laboratory........ $ 3,000
Fermi National Accelerator Laboratory. 2,460
Stanford Linear Accelerator Center.... 1,040
Total General Plant Projects......... $ 6,500

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Neutrino Oscillation Experimental

Facility..................ioisconobeda...
AGS cooling tower improvements............
Additional building space for Biology:180.
Central computer facility building

modifications.................
Building addition for NSLS........... .....
Power improvements to AGS experimental areas
Facility for coal-water slurry technology...
Expansion of Test Beam Facility at the AGS..
Accumulator ring equipment housing..........
Upgrade cooling tower system................
Neutrino power supply control housing.......
Nuclear Energy Program building expansion...
Construct alternate power source for LINAC..
Additional space for Structural Biology

Research................................
AGS radiation storage facility......
Target room addition to NSLS facility..
Addition to Physics building.....
Miscellaneous small projects..............

Subtotal.....

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Fermi National Accelerator Laboratory:

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Parts storage facility......................
Improvements to utility corridor around
main ring..................................
Upgrade of power supply switchgear..........
Upgrade of refrigeration power and cooling

systems ....................................
Additional office and light laboratory space
Experimental area power distribution

improvements............................... Repair to existing buildings in Village area Plammable liquid and gas storage facility... Upgrade of industrial and receiving facilities...................... Subtotal

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200 500 200 350

200 200

Addition to LINAC power substation...........
High energy equipment pool building, addition.
Storage building for specialized components..
Assembly building utility improvemente ....
Culture transfer facilities for genetieto

research.................................... Medical research center utility improvements. High Flux Beam Reactor cooling system

improvements..................
Low Level Waste laboratory addition..........
Building addition to heavy machine shop......
Safety improvements to Medical Research

Center ........
Conversion of lecture hall to training

facility........................... Miscellaneous small projects................

Subtotal................................

250 350 300

150

150

350 $ 3,200

Fermi National Accelerator Laboratory:

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Addition to Central Helium Liquifier

building.................................... Improvement to primary power distribution

system... Additional main ring service and support

buildings................................... Main ring access road and service building

upgrade.....
Critical equipment storage facility..........
Additional beam switchyard service building..
Research services technical assembly building
Utility extension for experimental areas.....
Site and drainage improvements in
experimental areas......
Subtotal.................................

200 150 200 650 300

200 $ 2,500

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Integrated Test Bed Facility.......
Experimental Equipment Enclosure.....
Catalytic Development Laboratory...
Additional Building Services, AGS.
Crane Modifications...................
Building additions and modifications
Cooling Tower Improvements...
Power room addition, NSLS.....
Exhaust system improvement.......
Ring road extension for AGS......
Modular building addition, NSLS..............
Energy fire protection and generator systems.
Computer facility modifications.......
Repair and maintenance projects under $50,000

Subtotal.......

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Permi National Accelerator Laboratory:

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