1.a. Stone Crushing Equipments

1.b. Power Shovel

1.c. Forms for concrete

1.d. Drilling and Blasting Equipment and Pattern

1.e. Standard and special equipment

1.f. Cranes

2.a. You are appointed as a 'Equipment Planner' for a project site. Project details are as follows:

• a) A high-rise structure is to be constructed with stilt + Podium + 30 storey.

• b) Due to low soil SBC, Pile foundation is recommended.

• c) Concreting plant is to be set up at a space on-site.

You need to plan various construction activities and construction equipment and machinery required for the same at various construction stages.

2.b. Explain in detail about Mass concreting and vacuum concreting along with neat sketches.

3.a. Discuss the following ground improvement techniques

• a) Sand drains

3.b. Explain the method of construction of diaphragm wall. It is constructed along the plot size 120m X 80m and it is 8m in height. Draw a neat sketch and discuss step by step procedure. Enlist the equipment.

4.a. A bulldozer is purchased for Rs.30,00,000/- It has a useful life of 10 years at the end of which salvage value is Rs. 5,00,000/- It has a horse power of 150 and runs on a diesel engine.

Cost of diesel is Rs.60/- per litre. Consider 20% of average investment cost towards financing, taxes and insurances. The machine works for 3000 hours in a year.

The maintenance and repair cost is 50% of depreciation. Consider lubricant cost as 20% of fuel cost. The operating factor is 0.8. The operators monthly salary is Rs. 5000/-. Consider field repair and servicing cost as 30% of depreciation cost.

What are the different factors for selection of construction equipments?

5.a. Explain method of tunnel driving mention below:

• a) Full face heading
• b) Heading and bench method
• c) Drift method
• d) Pilot Tunnel method

5.b. Explain Tunnel Boring Machine in detail with neat sketches.

6.a. A construction equipment cost Rs. 20 lakhs, Salvage value is Rs. 3 lakhs and economic life of the equipment is 10 years. Calculate the depreciation and Book value for each year by straight line method, Sinking Fund Method, Sum of year digit Method and Constant percent Method.

6.b. Explain Single and Double Acting Hammers with neat sketch.