a.For a single severe rainfall event, what are the four components or fates at the start of the hydrologic cycle? Which two capture the most rain or snow at the early stages of the event, and what happens to it?

b. A storm t_d = 2 hrs. Rain intensity is steady i = 1.0”/hr. The infiltration rate quickly stabilizes at f= 0.25”/hr. How many inches infiltrate over 2 hours?

c. List the benefits of directing roof runoff to an infiltration bed, and also, the risks. Why would a surface infiltration bed probably perform longer than an underground one?

Select the lightest W12 for the conditions described, using Fy = 50 ksi and Fu = 65ksi. Show calculations to select trial sizes and check for Gross Section Yielding and Tensile Rupture. Assume the member is to have two lines of 7/8" bolts in each flange. use LRFD method PD= 225 PL=150 Length= 28'

Select four (4) large projects (local or international) and carry out the following:
i. Suggest the most suitable (unique for each one) forms of contract for them.
ii. Provide a brief description for why each of the form of contracts is suitable for
the projects.
iii. Describe one (1) advantage for using each of the form of contracts for the projects.
iv. Describe one (1) disadvantage for using each of the form of contracts for the
projects.

Hong Kong was ranked the second most sustainable city in Asia after Singapore according to Arcadis’
Sustainable Cities Index (SCI) in 2018. Hong Kong obtained top marks in economic aspects but trailed
in some other important parameters. A green group recently warned that the Hong Kong government
might fail to reach the previously promised environmental goals, particularly waste reduction. The
Hong Kong government definitely needs to take more actions to enhance the overall sustainability in
a more balanced manner.

What are the three systems of sustainable development and what characteristics a sustainable
solution needs to hold?

Hong Kong was ranked the second most sustainable city in Asia after Singapore according to Arcadis’
Sustainable Cities Index (SCI) in 2018. Hong Kong obtained top marks in economic aspects but trailed
in some other important parameters. A green group recently warned that the Hong Kong government
might fail to reach the previously promised environmental goals, particularly waste reduction. The
Hong Kong government definitely needs to take more actions to enhance the overall sustainability in
a more balanced manner.

To reach a more balanced sustainable development, roles of what major groups need to be
specially strengthened, and what means of implementation need to be adopted in particular?
Please list at least TWO (2) major groups whose roles need to be strengthened, AND at least
TWO (2) means of implementation that need to be adopted, with specific illustrations.

Engineer Johnson was employed to inspect an aged vacant building and prepare a report on its
structural condition before sale. He found some structural defects which, if not repaired, might lead
to collapse of the building. He then advised his client to carry out the necessary repair works
immediately. The client ignored the advice. In an email to Engineer Johnson, the client wrote,
“…… I pay for your service. The content of the report is my privileged information. You should
not reveal it to anyone without my consent……”. A week later, Engineer Johnson saw an
advertisement in the newspaper that the building had been put up for sale.

Engineer Johnson’s responsibilities to the relevant stakeholders conflicted with one another.
Identity the responsibilities and explain the conflict.

The ETHICS PLUS decision making process developed by the Independent Commission Against
Corruption is a useful tool for resolving ethical issues. Explain the PLUS standards for evaluating
the alternatives identified in the process.

4 Q5 Total
Marks
8 Marks
8 Marks
8 Marks
8 Marks
8 Marks 40 Marks
              Q1: A cantilever beam having span ‘L’ m was subjected to a uniformly distributed load of magnitude 8 kN/m for a distance of ‘0.6 L’ from the free end and two concentrated loads one of magnitude 15 kN at a distance ‘0.25 L’ m from the free end while the other of magnitude ‘22’ kN at a distance ‘0.6 L’ m from the free end respectively. It was observed that the maximum bending moment acting on the beam is equal to (-369 kNm). Suggest a suitable span for the beam based on the loading condition. How it will change the reaction at the fixed support? What happens to the shear force and bending moment values at the fixed support, free end and at the center of the beam? By plotting bending moment and shear force diagram for the beam briefly conclude the relationship between the values for shear force and bending moment.

A single lane road is designed for a speed of 75kmph having a two-way traffic with radius of 350m. Determine the following (use different reaction time for question i, ii & iii).

Stopping Sight Distance for plain road.

Stopping Sight Distance for ascending and descending gradient of 1/75.

Overtaking sight distance. (take interpolated value for ‘a’)

Sketch of maximum overtaking zone distance and sign posts.

Setback distance for SSD (only plain road) and OSD for curve length of 150m and d=2m using above obtained values and also perform checks.

a)Use SBC 304 to design a simply supported rectangular RC beam with tension reinforcement only to carry a service dead load of 18 kN/m (excluding beam’s self-weight) and service live load of 6 kN/m. The span of the beam is 7.5 m. Design data:Compressive strength of concrete, ?’?=25MPaYield strength of reinforcing steel, ??=420MPaConcrete cover 50mmSize of stirrups 10 mmSize of main reinforcement20mmMaximum size of aggregate 20 mm

b)What is the maximum uniform live load (in kN/m) that the beam designed in part (a) can carry according to SBC 304?

A rectangular channel with a base width of 3 m carries a discharge of 6 m3/s at a depth of 1.1 m. At downstream, there is a gradual rising of a channel bed of 0.1 m.

a) Plot the specific energy curve from y = 0.4 m to 1.3 m in a step 0.1 m and from the curve, determine the depth of flow at the downstream section. Label the graph and show your working answers clearly on the graph. *

1. Describe theoretical and regional flood frequency analysis method for computation of flood hazard.

Briefly explain how levelling is carried out and the formation of the collimation error. How can the collimation error be eliminated? Also, describe other possible sources of error in levelling, and explain what precautions can be taken to avoid these errors.

A sag vertical curve is to join a grade of g1=−3.50% to a grade of g2=−1.25%. What is the minimum length of the curve for acceptable passing sight distance at night, with headlight illumination? Express your answer in feet to five significant figures.

there is no more info. this is all that was given to us.

USING UNITED STATES IBC CHAPTER 6

1. An exterior wall is defined as a building enclosing wall that has a minimum slope of ____ degrees with the horizontal plane.

A. 45               B. 60               C. 75               D. 90

2. Veneer secured and supported through the adhesion of an approved bonding material applied to an approved backing is considered as _______ veneer.

A. adhered                  B. anchored                 C. attached                  D. spandrel

3. A minimum of _________ shall be attached to exterior sheathing in order to provide a continuous water-resistant barrier behind the exterior wall veneer.

A. one layer of No. 15 asphalt felt

B. one layer of No. 30 asphalt felt

C. two layers of No. 15 asphalt felt applied shingle fashion

D. two layers of No. 15 asphalt felt applied shingle fashion

4. Precast stone facing shall be a minimum of ____ inch in thickness in order to be acceptable as an approved weather covering.

A. ½                            B. 5/8                          C. ¾                            D. 1

5. When installed in a compliant manner, exterior masonry veneer having a maximum installed weight of ____ pounds per square foot may be supported on wood construction.

A. 15                           B. 20                           C. 25                           D. 40

6. What is the minimum permitted thickness for metal veneer mounted on approved sheathing on wood construction?

A. 0.0149 in                B. 0.0224 in                C. 0.0478 in                D. 0.0630 in

7. List the performance requirement(s) of weather protection of exterior walls as per code.

8. Use of wood, masonry, concrete and several other materials are permitted in the code for the construction of exterior walls. Name five (5) more approved materials.

9. List the specifications for the wood veneers on exterior walls of Types I, II, III & IV buildings.

10. The code permits the use of combustible materials in the construction of exterior walls of Types I, II, III & IV buildings, however, with some limitations. List four (4) such limitations.