A Caterpillar Push$-$Pull scraper model $637$G is operating on a large earthmoving project It loads soil in one area and then travels with its load to a dumping location. You are required to calculate the scraper$$s production.

Data, performance charts and tables for the Push$-$Pull scraper model $637$G from the Caterpillar performance handbook, edition $41$ have been reproduced for you below.

The scraper is being struck loaded under average operating conditions.

Rolling resistance $=0\mathrm{.}4$ kN$/$t

Efficiency of the driver and machine is $43$ min$/$hr

Soil density in bank $=1800$ kg$/$m$3$

Soil density loose $=1580$ kg$/$m$3$

Total fixed time $=1\mathrm{.}9$ minutes

You should assume that the scraper is moving at a slow speed when leaving the loading and unloading areas.

Use the reference tables given in your study material where appropriate.

The scraper is working on a route comprising the following sections:

Section Description Length $($m$)$

$1$ Level turnaround and loading zone $($spotting and loading$)$

$2$ Haul road, $10\%$ down grade $500$

$3$ Haul road, $1\%$ down grade $250$

$4$ Level unloading area $($slowing$/$manoeuvre and dumping$)$

$5$ Return road, $12\%$ up grade $400$

$6$ Return road $$ level section $600$

Although you are asked to round some of the following submitted answers it is recommended that you carry at least $4$ significant figures through your working to avoid accumulating a lack of accuracy. Calculate the Load Volume for the scraper in Bank m$3.$ Calculate the Gross Vehicle Weight $($GVW$)$ for the $637$G scraper. Calculate the total travel time for the $637$G scraper in minutes. Calculate the number of cycles per hour for the $637$G scraper. Calculate the $637$G scraper's production $($in Bank m$3/$hr$)$ based on your previous calculations.