The labor units provided in the preceding figures include the following approximate amounts of work:

1. Actual installation: 69 percent

2. Nonproductive labor: 2.5 percent

3. Studying plans: 2.5 percent

4. Material procurement: 2.5 percent

5. Receiving and storage: 2.0 percent

6. Mobilization: 5.0 percent

7. Layout: 5.0 percent

8. Cleanup: 2.0 percent

9. Punch-list work: 5.0 percent

10. Coffee breaks: 3.5 percent

If one or more of the preceding categories of work will not be a part of the work scope of a given installation, then the total personnel-hour budget can be adjusted accordingly.

When a building is more than one floor in height, then the overall personnel hours for the project should be increased by 1 percent per floor.

When installing large conduit in parallel runs, less labor is required than for installing individual runs. Besides the labor column differences in the personnel-hour tables, the following further adjustments should be made to the conduit labor:

• For two parallel conduits, deduct 10 percent of the conduit labor.

  

  Staging of material at an electrical construction site is part of the manhour requirement for the project.

• For three parallel conduits, deduct 15 percent of the conduit labor.

• For four parallel conduits, deduct 20 percent of the conduit labor.

• For five parallel conduits, deduct 25 percent of the conduit labor.

• For over five parallel conduits, deduct 30 percent of the conduit labor.

When installing multiple conductors in a common conduit or in parallel conduit runs, less labor is required than for installing individual conductor pulls. Therefore, in addition...