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Write a particular specification for a cut-to-fill earthworks operation for a large sports field. Use the SABS 1200 format. You will have to establish realistic values for the density requirement of the fill, quality requirements and tolerances, method of payment and sufficient pay items. Use SABS 1200 DA as a guide.
Assume that the ground conditions are unknown and could include rock, hard and soft materials. Also assume that the size of the sports field is not known as the Client has not yet decided if he needs a field for soccer, rugby, cricket or hockey, or all four. Note that the project specification will include a geotechnical report and a series of drawings giving all dimensions, slopes, etc.
Sub 12 means from stage one to two. Heat transfer (Qsub12) occurs to a fluid of mass m whose volume increases at a constant pressure of 21 bar. Assume that the fluid is air (Csubv=0.718 kJ/kg *K and R=0.287 kJ/kg*K) and that Tsub1=725K and Tsub2=1100..
Consider a high-rate sedimentation basin with tube settlers. The basin is 120 feet long and 30 feet wide. The length of the basin covered by tube settlers is 90 feet. The water depth is 15 feet.
Determine the normal force, shear force and bending moment at point D for the 3-pinned - Determine the deflection at C using the strain energy method - determine the deflection at the free end C for the beam.
two 10 mm thick steel plates are fastened together by means of two 20mm bolts that fit tightly into the holes. if the joint transmits a tensile force of 45 kn determine the average normal stress in the plates at a section where no holes occur
The cost of a 100,000 bbl/d ethanol unit is $40,000,000. From historical records, the capacity exponent ratio for CCR is 0.75. Estimate the cost of a similar ethanol unit with a capacity of 135,000 bbl/d.
The compound interest formula is F=P(1+i)n where F is the total amount due, P is the initial cost or amount of money, i is the interest rate, and n is the number of periods interest is computed. 1.A student purchases a $1400 laptop computer for sc..
At the morning break, an industrial engineer quickly measures the worker's heart rate and finds a peak value of 110 beats/min one minute after stopping work and a value of 95 beats/min three minutes after stopping work.
An oedometer test on a clay soil gave the following results: Cc = 0.4, Ce = 0.08, OCR = 5. The thickness of the clay layer in the field is 2.6 m. The existing vertical effective stress at the mid-depth of the clay layer is 150 kPa.
suppose you apply a force of 14.4 N to a spring and it stretches 2.4 cm. what is the spring constant?
A 6 lane highway has 12 ft lanes and a crown cross-slope of 0.02 ft/ft. The design speed of the road is 60 mph. The station of the PC is 20+00. Determine the station of the point where th superelevation runoff begins
Explain how the different physical characteristics and moisture content of soil lead to the different angles of repose, swell, and shrinkage factors. Explain how these factors affect excavation operations and costs.
Compute and tabulate the deflection angles and chords necessary to stake out this spiral at full sections. Given Ts = 1304.60 ft.A spiral 400 ft length is used for transition into a3o00' circular curve (arc deflection). Angle I at the PI station 50+0..
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