| Project
Process
The Highwood Generating Station will be designed
and built using a phased approach as described below.
Phase 1 - Preliminary Engineering
The first phase of the project involves the engineering
effort to support permitting and financing activity.
The activities
include preliminary engineering and consist of the following.
- Establishment of project schedule and cost
control procedures
- Permitting processes
- Preparation of a project procedures
manual
- Support for the RUS documentation effort
by Southern Montana Electric G&T
- Final
site investigation, including site survey and subsurface
investigation
- Plant evaluation and optimization
- Development of project design
criteria
- Site plans
- Preliminary general arrangements and process
and instrumentation drawings
- Control system overview
- Cycle fundamental plan
- Equipment and construction package
plan
- Technical specifications for all long-lead-time
equipment
Phase 2 - Plant Engineering
Phase 2 of the project consists of the detailed design
of the project. The activities associated with this phase
are:
- Development of a "walk-through" 3D model
of the plant
- Civil engineering
- Site preparation drawings
- Final grading and paving details
- Structural and architectural
engineering
- Structural steel drawings
- Switchyard design
- Mechanical engineering
- Electrical engineering
- Instrumentation and controls
Phase 3 – Procurement Support
Phase 3 of the project will include activities related
to the purchase of long-lead-time equipment. This phase
may have activities which will be performed concurrently
with Phases 2 and 4.
Phase 4 – Construction Packages
Phase 4 will consist of document preparation for the construction
packages. These packages will be used for soliciting bids
from contractors.
Phase 5 – Construction and Commissioning
Support
Phase 5 will include construction and commissioning of
all new equipment. Training for operational personnel will
be included in this phase. At the end of this phase, the
plant will be in commercial operation.
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