###### Jan 2000

##### Job Descriptions

+------------------------------+------------+------------+-------------+
| Worker/activity              | Day Shift  | 2^nd^      | ##          |
|                              |            | Shift      |  Total FTEs |
+------------------------------+------------+------------+-------------+
| Supervisor                   | 1          | 0          | 1           |
|                              |            |            |             |
| Coordinator                  | 1          | 1          | 2           |
|                              |            |            |             |
| Crew Boss                    | 3          | 3          | 6           |
|                              |            |            |             |
| Welder                       | 1          | 1          | 2           |
|                              |            |            |             |
| Assembler                    | 6          | 6          | 12          |
|                              |            |            |             |
| Module Tester/Surveyor       | 2          | 1          | 3           |
|                              |            |            |             |
| Material Handler             | 3          | 6          | 9           |
|                              |            |            |             |
| Plane Installer              | 1          | 1          | 2           |
|                              |            |            |             |
| Electronics Technician       | 1          | 1          | 2           |
+------------------------------+------------+------------+-------------+
| ### Total FTEs               | 19         | 20         | 39          |
+------------------------------+------------+------------+-------------+

**Supervisor**. High-level management of installation work and provide
interface between workers, scientists, engineers, and DNR

**Coordinator.** Provide the interface between installation workers and
the University of Minnesota (employer). They will assist in hiring the
new employees. Orders supplies, coordinates shipments of detector
components, manage office machines, computers and phones. The
Coordinators will also be the shift safety officer and manage training
and records for people on the shift. As Safety officers they will
conduct periodic safety reviews and assure as safe environment to work
in. One coordinator will be the designated the Lab Safety Officer (LSO)

**Crew Boss**. Manage daily activities of steel and scintillator
installation workers and provide smooth transition between shifts. One
crew boss is assigned to each workstation and one to the material
handling crews. They provide an interface between supervisor and the
installation crews. They act as foreman and general replacement worker
when others are sick or on vacation. They are also the principal crane
operators and troubleshoot problems as they arise. They will record
barcode information for each plane as well as any other data relating to
it. As foreman, they will be responsible for assuring safe work areas
and operations.

**Welder**. Perform plug welding of planes and a small number of other
specialized welding tasks. They will assist in other operations as
needed and provide spot checks of routine operations.

**Assembler**. Assemble steel plates and scintillator modules into
detector planes. Responsible for all testing and repair on the plane
before it goes up. They will primarily work at the two assembly
workstations.

**Module tester/surveyor**. Receive and record module-shipping crates in
the Soudan 2 cavern. Perform radioactive-source mapping of individual
modules. Perform light injection testing and light leak testing. Perform
repairs to modules as needed. Place modules for each plane in a single
cart for rapid mounting, and move carts to work areas as needed. Assist
survey operations on the finished planes and detector. Assist with
installation of detector planes as time permits.

**Material Handler.**

> **Receiving Crew:** Receive steel and scintillator crates at the
> surface receiving facility. Sort steel, weigh and package into plane
> bundles for assembly.

# **Surface Crew:** Transport steel and scintillator from Surface Building to headframe. Load shaft cage with arriving materials. Assist in cage swap. This is an afternoon/night shift.

# **Underground Crew:** Unload and transport arriving materials to appropriate areas. This is an afternoon/night shift.

**Plane installer**. Primary overhead bridge crane operators. Move
completed detector planes into the final position. Connect fiber optic
harness to muxbox/photodetector. Assist installation of electronics
crates and cabling. Assist Physicists and Students in calibration and
turn-on of detector.

**Electronics Technician**. Install and maintain electronics racks.
Assist in installation of photo-detectors and related turn-on tasks.
Work with high voltage, low voltage, AC and DC systems.

+------------------------------------------------------------+---------+
| ### Procedure Time and motion based on work with 4PP       | Time    |
+------------------------------------------------------------+---------+
| **Steel plane assembly (9.0 hours)**                       | 1.5     |
|                                                            | hour    |
| # Align 4 bottom layer plates                              |         |
|                                                            | 1.5     |
| > Align 4 top layer plates                                 | hour    |
| >                                                          |         |
| > Weld plane together                                      | 5.0     |
|                                                            | hour    |
| #### Grind ears and stud weld brackets (concurrent)        |         |
|                                                            | 1.0     |
| # Su                                                       | hour    |
| rvey steel plane and finish prep for mounting scintillator |         |
|                                                            | 4.0     |
| # **Scintillator plane assembly (8.0 hours)**              | hour    |
|                                                            |         |
| # Install 8 scintillator modules and weld tabs down        | 1       |
|                                                            | .  hour |
| # Mount fiber optic harness                                |         |
|                                                            | 2       |
| # Apply survey marks and survey                            | .  hour |
|                                                            |         |
| > Performance testing and leak test (concurrent)           | 1.0     |
|                                                            | hour    |
| # Attach lifting fixture and final inspection              |         |
|                                                            | 0.5     |
| # **Detector plane mounting (3.5 hour)**                   | hour    |
|                                                            |         |
| # Raise plane                                              | 1       |
|                                                            | .  hour |
| # Move plane to detector face                              |         |
|                                                            | 0.5     |
| > Attach axial bolts                                       | hour    |
| >                                                          |         |
| > Remove strong-back and return to work station            | 0.5     |
| >                                                          | hour    |
| > Install coil collar (concurrent)                         |         |
|                                                            | 1.0     |
| # Position Steel carts at workstation for next plane       | hour    |
|                                                            |         |
| > Finish pickup coils (concurrent)                         |         |
+------------------------------------------------------------+---------+
| Total assembly and mounting Time                           | **20.5  |
|                                                            | Hours** |
+------------------------------------------------------------+---------+