A fleet of 16 scrapers is available for a job and the plan is to use tandem pushers and the shuttle loadingmethod. If the expected production of a single scraper is 300 LCY/h and the expected cycle time for awheeled scraper is 5.9 minute:a.Calculate the number of pushers required to serve the fleetb.Calculate the production of the fleet in (BCY/h) if only 2 pushers are available. The soil has 15% Swell.

Given:- Scrapers available = 16 Loading method Tandem Pusher Shuttle Loading 0.9 Cycle time…

Answered: wheeled scraper is 5.9 minute: a.…

wheeled scraper is 5.9 minute: a. Calculate the number of pushers required to serve Calculate the production of the fleet in (BCY/h) if c b.

Fundamentals Of Construction Estimating

4th Edition

ISBN:9781337399395

Author:Pratt, David J.

Publisher:Pratt, David J.

Chapter10: Pricing Excavation And Backfill

Section: Chapter Questions

Problem 7RQ

See similar textbooks

Related questions

Q: The water content of a sample of saturated soil at a mean effective stress of 10 kPa is 85%. The…

Q: No. 2. For the cantilever beam loaded 4 KN/m 130 mm as shown, determine the ff: (a) maximum tensile…

A: V = 10 - 4x6 = -14KN Mx = 10x - 4x2/2 = 10x - 2x2 For maximum moment d(Mx)/dx = 0 So, 0 = 10…

Q: Example: The beam is subjected to the concentrated loading shown. Determine the reactions of the…

Q: 10 0.7 mm F BLO 240 mm 300 mm D A SITUATION 04 The cylinder CD of the assembly shown in Fig.…

A: Answer we are given Data for cylinder CD Aluminium E AL = 70 Gpa cross section area AAL = 350 mm2…

Q: Q 2/ classify the $tames below and determime ' bhe D,e.f A A cp=?

Q: Given the tabulated measurement of a closed traverse with unknown length and azimuth of line DE,…

Q: Ely value (c) Ely value at th

Q: What is the degree of curve at shear AB

A: Given data in question UDL Point load Concentrated moment Span member length To find out Degree…

Q: loM 20 Fincl s Lop ez Poinł A エ=450 in' E = 29 * 10°KPI

A: Hey there, The above questions is related to mechanics. Our aim is to determine the slope at A.…

Q: KN/m. What is the maximum flexural stress of the beam? Blank 1 (use two decimal places, no need for…

Q: SITUATION: The angle of friction of a compacted dry sand is 37°. In a direct shear test on the sand,…

A: We will apply formula of shear stress.

Q: A sand deposit is 10 m thick and overlies a bed of soft clay. The sand above the ground water table…

Q: Analyze the continuous beam shown below by the moment distribution method. 48KN 60KN 3m 3m 2m 4m /-…

Q: mil has a compression index of 0.25. It's void ratio at a stress of 10 kN/m2 is 0 kN/m2, then the…

Q: For the truss shown, assume a cross sectional area of each member is 3.2 in? a. Calculate the stress…

Q: In the truss system shown, calculate (a) the reations at support A and I, (b) The forces in cach…

A: Truss: - It is a pin jointed frame where bending moment does not exist in members carry only axial…

Q: Soil shall be considered expansive if Plasticity Index (PI) is 10 15 12

A: More plasticity index means soil have high potential of shrinkage and swelling tedency and causing…

Q: A footing 2 m x 3 m in size transmits a bearing pressure of 140 kN/m2 on a soil x 104 kN/m2 and u =…

Q: Two soil specimens with identical geometric dimensions were subjected to falling head permeability…

A: K = (aL/At) loge(h1/h2) The ratio of initial head to final head in second specimen is 3.051

Q: For the beam shown below, will the mass of 4,530 x 10³ g. be sufficient? Why or why not? Explain…

Q: Consider a large cubic ice block floating in seawater. The specific gravities of ice and seawater…

Q: A commercial building is located 7 m from the centerline of the inside lane of a curve section of a…

A: Distance from center line of cure (Mv) = 7 m Radius of curve (R) = 110 m Perception time (t) = 2…

Q: For a case of plane stress, o. = 40 MN/m², 0, t, ху 80 MN/m2. What are the principal Oy stresses (in…

Q: A granular soil deposit is considered stiff if the unconfined compressive strength is between. 25-80…

A: LIES BETWEEN (150-400) KN/M^2

Q: Example: The beam is subjected to the concentrated loading shown. Determine the reactions of the…

A: We will use area moment method

Q: GL Sand Water table is at ground level Water content = 20% Specific gravity of solids 2.7 Unit…

Q: Esample: - A cantilever sheet pile wall penetrıting granular soil is shown in Figure below.…

A: the overturning of the sheet pile wall actually takes place about the pivot point. But for…

Q: ulate internal moments using Moment Distribution Method by considering settlement occurs 20 at C. El…

A: Given:- EI=100,000kNm2 settlement=20mm To find:- internal moments

Q: 2 B 20' SITUATION 01 A 20-lb lighting fixture shown in Fig. ESS4-TE-001 is suspended from the…

Q: What is the amount of moisture to be removed from a material whose moisture content is 14% with dry…

Q: simply supported beam has a maximum moment equal to 25 KN.m. The beam has a width of 200 mm and a…

Q: 420 mm 500 m 4 #36 80 mm

Q: 3. A scoop carries 610 kg of load with center of mass at G. Neglecting the mass of the members,…

Q: gra imum base width eg rity of concrete = 2.4 nt for full uplift 1 ion = 0.8 %3D

Q: 5. The piece of wood, 100 mm by 100 mm in cross section, contains a glued joint inclined at the…

Q: 2. Determine the internal moments of the beam shown, Support A settles 10mm. E=200 GPa, and I =…

Q: SITUATION: The angle of friction of a compacted dry sand is 37°. In a direct shear test on the sand,…

A: Given, e=0.60 G=2.70ϕ=37°σ=150 kN/m2Size of specimen=50mm×50mm×30mm

Q: 4. When the accident rate (instead of accident number) is used to identify hazardous location, there…

A: Accident rates on the highways are depending on the flow of the vehicles. If there are high flow,…

Q: Two soil specimens with identical geometric dimensions were subjected to falling head permeability…

Q: A .05kg bullet is moving to the right with a speed of 450 m/s when it strikes a 20 kg box that is…

Q: 2. Compute the flexural stresses in the concrete and steel for the beams shown using the…

A: Given data Depth of beam (D) = 600mm Width of beam (B) = 300 mm Effective depth of beam (d) = 520…

Q: För ån equal tangent vertical curve g1 = -4%, g2 = +3%, L = 300.00 ft, BVC Station = 10+00.00, BVC…

Q: 2 5' 20' SITUATION 01 A 20-lb lighting fixture shown in Fig. ESS4-TE-001 is suspended from the…

Q: 15. What is the value of the reaction at the hinge support D in KN?

A: No. of member (m) = 2 (AB, BD) No. of joint (j) = 3 ( A,B,D) No. of reaction (r) = 3 Degree of…

Q: 115 A uniform T-shaped arm of weight W, pinned about a horizontal point C, is supported by a…

Q: A square footing has a dimension of 1m x 1m. Unit weight of soil is 18.1kN/m3 with cohesion of…

A: Stress on the soil = 590/1= 590 KN/m2. Ultimate Bearing capacity of the soil as per terzaghi's…

Q: For a flow a net with Nf 5 and ND = 20, the shape factor. %3D %3D 4. 0.5 0.25

A: Given data in question Constants value To find out Shape factor

Q: 50KN 20KN/m 3m 3m 2m 2m

Q: The measured extreme fibre strains at mid span of a simply supported beam, loaded with uniformly…

Question

A fleet of 16 scrapers is available for a job and the plan is to use tandem pushers and the shuttle loading
method. If the expected production of a single scraper is 300 LCY/h and the expected cycle time for a
wheeled scraper is 5.9 minute:
a.
Calculate the number of pushers required to serve the fleet
b.
Calculate the production of the fleet in (BCY/h) if only 2 pushers are available. The soil has 15% Swell.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1 Solution:-

Step 2 Solution:-

Step 3 Solution:-

Step 4 Answer:-

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

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?
What is the approximate optimum hourly production rate for a wheeled backhoe filling hauling units? Struck capacity for the bucket is 6 loose cubic feet and the bucket fill factor is 110%,. The cycle time is 2 minutes, the soil type is moist loam with a 25% swell factor.
Calculate the total operation time for this construction activity if the volume of soil to be removed is 8 cu.m. (considered 33% for bulking of materials.) The speed of dumptruck is 30 kph and travel distance (round trip) from the source to disposal area vice-versa is 6 km. The bucket size of excavator is 0.50 cu.m at 0.50 min loading time, tipping time is 4 mins. a. 15.18 minutes b. 22.02 minutes c. 25.32 minutes d. 30.00 minutes
75. A 4-ha field was plowed using a three-bottom 12-inch tractor-mounted moldboard plow. It took 11 hrs. to complete the operation at a tractor speed of 5 kph.Find the theoretical field capacity:a. 0.46 ha/hr b. 1.45 ha/hrc. 1.13 ha/hr d. 1.8 ha/hr
A project to move packed earth requires you to decide whether to usea dozer/scraper operation or excavator/truck operation. Determinethe most economical operation based on the dozer/scraper operationestimated at $1.25/cy. All equipment carries a rated heaped capacity, hasa fill factor of 100%, and works 45-min hours. Excavator costs $95/hr（including operator), cycle time is 0.28 min, and bucket heaped capacityis 5.0 cy. Truck costs $150/hr.(including operator), dump time is 0.5 min（maneuver, dump, turn), heaped capacity is 31.7 cy, and 12 trucks areavailable for the project.Hauling equipment operates in one directionfrom A to B to C and finally to D. Section Load Length (ft) Speed (mph) A full 3000 9B full 2500 17C empty 3000 36D empty 3000 16
Determine the number of 13-cm animal drawn plows needed to complete plowing a 3-ha fieldin one day (8 hrs/day). Field efficiency is 78% and speed of travel is 4kph.
Determine the number of 13-cm animal drawn plows needed to complete plowing a 3-ha field in one day (8 hrs/day). Field efficiency is 78% and speed of travel is 4 kph.
do not solve it wrong, uploading for the second time, need detailed solution
Use the suggested ACTUAL fixity factor recommended by the AISC k =0.8. What is rhe Demand capacity ratio using ASD and LRFD
Question: a. Compute the overhaul volume. b. Compute the length of overhaul if total cost of hauling is P105,750.00 c. Compute the total cost of borrow.
An excavator bucket has a heaped capacity of 6.2 CY and a bucket fill factor of 0.85. What is the bucket capacity?a. 5.35 CY b. 6.1 CY c. 7.3 CY d. 5.27 CY
Assemble desk is O,P,Q Draw arrow and node diagram calculate floats and schedule