As a Project Engineer, you have been tasked to make ah and company on the economic justification on the option to purchase a used 25OMT mobile crane. The decision is in between Brand X or Brand Y 250 MT mobile crane to be used for the company's project construction activities as well as providing some rental business for three years. As the crane is not used for the whole time, it is to be rented out for 10 days a month. The Brand X is the newer crane which has better fuel efficiency and lower maintenance cost. Based on your data gathering, you have this information derived for the analysis.

5.26 An industrial engineer is considering two robots for purchase by a fiber-optic manufacturing com- pany. Robot X will have a first cost of $80,000, an annual maintenance and operation (M&O) cost of S30,000, and a $40,000 salvage value. Robot Y will have a first cost of $97,000, an annual M&O cost of $27,000, and a $50,000 salvage value. Which should be selected on the basis of a future worth comparison at an interest rate of 15% per year? Use a 3-year study period.

do not solve it wrong, uploading for the second time, need detailed solution

Questióh 13 Once the drawings and specifications are complete, a design-build contract can be rolled over into a(n) contract. Hoction will save this response.

The Project consists of 10 activities as outlined below. All relationships are finish to start unless noted otherwise. Which option is the critical path? Activity Duration A B C D EF G H 6 5 6 4 4 5 6 6 4 A-C-G-J B-E-H-J A-D-G-J B-F-I-J Predecessors Successors C,D E, F G G H A A FF Lag= 7 B B C, D E F G, H, I J J

Draw a network diagram for the diagram Determine the total float or slacks for calculate the project float if your client expect  the project  to be completed in 40 months

The plant manager has asked you to do a cost analysis to determine when currently owned equipment should be replaced. The manager stated that under no circumstances will the existing equipment be retained longer than two more years and that once it is replaced, a contractor will provide the same service from then on at a cost of $97,000 per year. The salvage value of the currently owned equipment is estimated to be $37,000 now, $30,000 in 1 year, and $19,000 two years from now. The operating cost is expected to be $85,000 per year. Using an interest rate of 10% per year, determine when the defending equipment should be retired

An excavator was able to load a truck in 2 minutes and additional 30 seconds for the positioning of the truck. The hauling time, dumping time, and return time of the truck is about 25mins. What is the equipment utilization of the excavator if there are only eight trucks available during the loading operations?

ABC Construction Company enters into a contract with XYZ Municipality to construct a new public library. The project has a strict deadline due to an upcoming community event, and the municipality is keen to have the library completed well in advance. To incentivize ABC Construction for early completion, the parties agree on a fixed price reward contract. As the construction progresses, ABC Construction faces several challenges, such as inclement weather, delayed material deliveries, and unforeseen site conditions. Despite these obstacles, the company manages to complete the project two months ahead of the agreed-upon deadline. In this scenario, how does the fixed price reward contract benefit ABC Construction Company? What are the specific terms and conditions associated with the reward? How can ABC Construction effectively claim and receive the reward from XYZ Municipality? Additionally, what legal considerations should ABC Construction be aware of when entering into a fixed price…

(a) Explain and sketches the types of incidents for the activities of loading and unloading