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storing the blowdown mterialb that would result froan a lnajQK Steam leak
in the steam generator.
Account 22, Reactor plant equipment, The reactor and associated
heat-transfer system costs have been updated from the 1978 estimate using
a multiplier ~f 2.5.
been added for engineered safety features (which were not previoaas~y con-
sidered) and for larger salt volunes, %his amount also covers external
heat dissipation equipment €‘or engineered safety features. Radioactive
waste handlf~g in the DMSR was estimated ta cost about the same as radio-
active waste processing for the PWR.
About 10% of this total (accounts 221 and 222) has
Fuel handling and storage and maintenance equipment were updated from
the MSBR estimate using the 2.5 multiplier. An allowance was made for the
control features necessary for making the plant operate 011 the salt-steam
cycle e
Account 23. Turbine plant equipment. This account parallels the
coal plant case, whish uses supercritical steam-cycle equipment. The
feed-heating account was increased 50% to allow for
tures pesultar to the Salt-%QQp applicati0R.
Account 24. Electric plant equipment. Except
25 Mwe of electric heating associated with the salt
similar to the PWR case.
operating design fea-
for provision of about
loops, this account is
Account 25. Miscellaneous plant equipment. The auxiliary steam sup-
ply cost for the PWW has been increased to adjust the PWR cost to the DMSR
basis
Account 26. Main condenser heat rejection system. Design for the
coal plant is comparable to the DMSW; therefore, the same costs have been
assumed e
Accounts 91, 92, and $3, Indirect costs. The DMSR costs are based
on PWR costs adjusted upward for those accounts in which higher labor re-
quirements are anticipated.
5,3.2 ESo~fuel oloeration and maintenance cost
Estimates of nonfuel operation and maintenance (06M) costs of 2.82
wills/kh% are based on the single-unit base-load plant. me procedure
._