Questions tagged [cost-estimation]

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2answers
34 views

When is a heat exchanger worth it?

I am currently working on a huge industrial process for a student project and we need to transfer around 25MW of energy between dozens and dozens of streams, some larger and some smaller ones. Many ...
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1answer
19 views

Estimate Annual Maintenance Cost

Suppose, I am trying to install a completely new manufacturing plant, so I have no previous data to help me. I want to calculate a rough estimate of my annual maintenance cost of machinery. Is there ...
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1answer
81 views

How to write a Cost engineering support plan?

How would I write a Cost Engineering support plan which reflects the Project Control Cycle? A wine company is wondering if they should invest in another factory. Only this time it will be in the USA. ...
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1answer
58 views

How much aluminum does a HV, MV or LV transmission line use?

I have accurate statistics about the total length of high-voltage (110-400 kV), medium-voltage (1-70 kV) and low-voltage (0-1 kV) transmission lines in my country, and they are: High-voltage: 22 500 ...
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0answers
20 views

Bills of Quantities for Highway Works (UK) [closed]

Does anyone know a software/tool, which allows creating Bill of Quantities in accordance with Manual of Contract Documents for Highway Works (UK)? In particular, I am interested in working with the ...
3
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1answer
56 views

Trying to understand how much it costs to run my clothes dryer

I am trying to calculate the running cost of my clothes dryer and have bought myself an energy meter to check its usage. I plugged the meter in, reset it, and then turned it over to the aggregate kWh ...
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3answers
55 views

What determines the cost of the wind turbines?

If there is an 11kW wind turbine, and a 15kW wind turbine. Why is the 15 kw wind turbine more expensive? I know it seems like a basic question, but what exactly makes it more expensive? Is it only ...
3
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2answers
37 views

How to estimate the time cost of interrupting a task and picking it up again later

In terms of personal productivity (single machine scheduling) when a task is interrupted before being done in order to switch to a different task, it incurres a 'tear down' time cost - putting tools, ...
2
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3answers
125 views

Understanding metalwork manufacture — How are Purchase Quotations prepared?

I have been involved with a number of metalwork design projects lately and I'm increasingly finding myself asking for quotations for small prototype runs (often one-off jobs) to verify the validity of ...
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0answers
10 views

How to combine ODE parameters values from several estimations?

I would like to perform parameters estimation for a differential equation from experiment. If the value of these parameters are obtained from several experiments (repetitions) where for each ...
1
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1answer
405 views

How to calculate the start-up cost of a natural gas boiler

How I can calculate or find a value for the start-up cost of a natural gas boiler? The boiler will have a capacity of about 700 kW and is intended for heating the water for a greenhouse.