Molten-caustic-leaching system integration project. Quarterly report ending March 29, 1991

The overall strategy for the project Tasks 1 through 6 is to allow for the earliest startup of the Task 6 integrated operations with a minimum of up front costs attributed to plant modifications by deferring those modifications until necessary and by installing those modifications during planned downtime during operations. It is planned to implement only those modifications that are required in order that the plant can be operated in an integrated continuous manner and defer other modifications that will improve plant operation. The necessary modifications are those affecting the operation of the vacuum filters and the evaporator that are critical to integrated operation. When those modifications are complete, an attempt at integrated operation will be made. This short term operation will take place in May 1991 so that other deferred modifications and unforeseen problems can be resolved before going into the long term integrated test plan operations where staffing requirements more operators. During this reporting period, 30 purchase orders were submitted in January, 17 in February, and 38 in March for a total of 85 purchase orders submitted totaling $75,300. The purchase orders were for Task 1 Maintenance and Refurbishment, Task 2 Design Modifications, and Critical Parts Inventory. A work schedule was established to accomplish the Task 1 Maintenance and Refurbishment and the Task 2 Design Modifications in Sections 100 through 600 (especially the reactor, vacuum filter, and evaporator modifications) necessary for the integrated May plant test. An inventory of MCL waste drums was completed