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And your question is? You will have entrance and exit losses through the value and fiction along the pipe. You can use this, along with anticipated flow, to find the most suitable valve.

If you want to have text/notes in the task area, add a column and choose 'Notes' as the data type.

What is the road being used for?

How close to the structure? Typical limits here in Canada for blasting close to structures or in urban areas is 12.7mm/s (0.5 in/s). As dgillette stated, the peak particle velocity required to cause damage is significantly greater than this but provides a cushion for the blaster, especially...

Driven to a depth of 20m into the overburden or does that include the water column? What does the overburden consist of? Are they to be drive with a vibratory hammer or a diesel hammer or other? What is the refusal criteria? Regards.

The determination of how much the fender can absorb would depend on the support conditions of the fender and the parameters of the timber being used. This is simple wood design. As for energy transfer, you would need to provide us with more parameters to try to help you. What is the approach...

The above books are useful but ultimately you need to have an understanding of the work to be performed and how you would approach this work. Once you know how you will perform the work, go through and estimate the process. Equipment and labour rates are readily available, so the remaining is...

You will also want wind and wave data. If no wave data is available, you can use hindcasting. Regards.

Check this thread. MC

If that is your concern, then typically it is high angled joints that will cause wedges to form and thus cause failure of the face. Based on the description, this doesn't appear to be the case. If you load your holes properly, it should break from hole to hole and cause minimal damage/back...

See the below for some general information which will guide you in the right direction. http://www.docstoc.com/docs/10641987/Techniques-of-Controlled-Blasting

If you discuss it with the blasting firm, they should be knowledgeable in several different techniques that can be used to allow for smooth edge walls. One technique is to line drill the perimeter with appropriate spacing and light loadings to pre-split the rock. This will cause the rock to...

What exactly are you trying to gain from the logs?

Agree with BA. Easiest solution based on what you've provided.

The 1984 Shore Protection Manual can be found here: Volume 1, Volume 2, Volume 3. Chapter 7 (Volume 2) should have the info you're looking for. Regards.