Thread Content
The company is building a new factory, and I handed over the equipment drawings and process flow diagrams to the design institute; it will take them over a month to complete the piping work. The manager thinks that the price of steel is going to rise, so he wants us employees to estimate the quantity needed in order to purchase a batch of pipes first. But without any piping diagrams, how are we supposed to make the purchase? And how can we explain this to the manager?
You can first estimate the cost of purchasing the straight pipes, while only keeping a small stock of elbows and tees; in fact, straight pipes account for the larger proportion
Have the design institute provide an approximate quantity and specifications first, so that purchases can be made in advance
Can straight pipes resistant to 20~30% sulfuric acid be cut? It’s not clear what materials are used at the moment
You can also ask the design institute for the materials first
It's necessary to clarify the key parameters such as diameter, pressure, and temperature, as well as the material of the pipes in each section.
If there is a floor plan, it can be estimated roughly
Commonly used specifications can be purchased in advance.
First, estimate the cost of purchasing the straight sections roughly; only a small amount of elbows and tees should be stocked
With layout diagrams and flowcharts available, estimates can be made; priority should be given to calculating the large-diameter pipes and fittings first
Some steel sections can be purchased in advance, but it’s hard to say the same for pipes; we’re not sure yet which type of material would be suitable.