Fixed-capital-cost estimation electrical

Electrical This item consists of transformers, wiring, switching gear, as well as instrumentation and control wiring. The installed costs of the electrical items may be estimated as 20 to 40 percent of the delivered equipment costs or 5 to 10 percent of the fixed capital investment for preliminary estimates. As with piping estimation, the process design must be well along toward completion before detailed electrical takeoffs can be made. 

Service Facilities For a process plant, utihty services such as steam, water, electric power, fuel, compressed air, shop facilities, and a cafeteria require capital ejq)enditures. The cost of these facihties lumped together may be 10 to 20 percent of the fixed capital investment for a preliminary estimate. Note Buildings, yards, and service facihties must oe well defined to obtain a definitive or detailed estimate.)... 

Plant capital and power cost. For a 16,000-kw (electrical) LMF-GCR plant, the cost of power, at an 80% plant utilization factor, is estimated at 14.6 mills, kwh, made up of 8.6 mills,/kwh for fixed charges, 2.7 mills/kwh for operation and maintenance, and 3.3 mills, kwh for fuel. The total power co.st using a 60% plant utilization factor is 18.4 mills/kwh. A fixed charge rate of 15% was u.sed. 

---