Plenty of crushed or gravel material is required - in areas with the silt-sand ground condition - . An expensive solution to haul the crushed / river gravel material over long distances. The question arises: Who operates a quarry/crushing and screening plant as a regulated "monopolist" and why it is advisable to select alternative methods to achieve the same technical objective with lower costs (economical approach "Value for Money") ... enabling the Contractor to build foundations - with low settlements over the months/years - for an industrial plant or highway construction?