. Write short notes on the following classifications of law: a. Case law b. Civil law c. Criminal law d. Public law.

explain step by step, how do you design a mat or raft foundation? when do you opt for raft foundation?

For this assignment you will research online an instance of when an engineer violated a law or regulation and was prosecuted in criminal court (not civil court) or plead guilty to a criminal charge. Please provide references.

In the written assignment, please include a brief summary of the event and answer the following questions:

• What is the engineer being charged with?
• What the engineer did or did not do properly in order to be charged?
• What do these charges mean?
• What is the penalty faced by the engineer?
• What was the final result of the case (if it has been completed)?

Design a 9 ft cantilever if a dead load 1 k / ft ( not including the beam weight ) and live load of 1 k / ft . use fc ' = 3800 psi and fy = 60,000 psi . ( Hint : Rectangular section , answer should be in In " 2 for Area of steel and in inches for width and height )

explain COVID effect on construction in US

10 Applications of Engineering Mechanics to your daily life

3.10 What minimum ventilation air quantity will be required for the room in Question 3.9 if the office is 5,000 sq.ft.?

Given from Q3.9:

• 15 people, moderate activity
• 5 copy machines, 500 W each
• 15 suspended light fixtures, two 50-W lamps each

List the steps in the planning process.

1. Refer to the example bore-log in the presentation. Consider one layer in sand and one layer in clay. Explain how the soil description is arrived at.

Write a short note on the pre-tensioning and post-tensioning methods of prestressed concrete with the aids of sketching.

A crew of mechanics at the Highway Department garage repair vehicles that break down at an average of 10 vehicles per hour (approximately Poisson in nature). The mechanic crew can service an average of 2 vehicles every 10 minutes with a repair time distribution that approximates an exponential distribution. The crew cost is approximately $50 per hour. The cost associated with lost productivity from the breakdown is estimated at $80 per vehicle per hour (or any fraction thereof). Which is cheaper, the existing system with one service crew, or a revised system with two service crews? The average waiting time for adding the second crew is 0.02.

A sample of biological culture was submitted to a chemical laboratory for analysis of the percentage by weight of each major element. The composition of the cells by weight was found to be 48.9% C, 5.2% H, 24.8% O, 9.46% N, and 9.2% ash.

1. Prepare an empirical formula for the cells

2. Determine the COD/organic weight ratio for the cell

3. Determine the theoretical oxygen demand including both COD and NOD

   (nitrification oxygen demand)

4. If the organics are 80% biodegradable, what is the ultimate BOD of the sample?

5. What is the TOC?