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Replacement Costs. Although costs vary according to the size of the leach field, soils and costs of local permits, expect to pay between $5,000 and $20,000 for leach field replacement.It is the most expensive component of the septic system.eplacement Costs. Although costs vary according to the size of the leach field, soils and costs of local permits, expect to pay between $5,000 and $20,000 for leach field replacement.
Costs vary with project size, job quality and time of year. For typical Field Tile Installation expect to pay between $3.86 to $4.53 per square foot.Additional fees are typically charged for small projects or rush jobs. Installed field tile surface variations along a 4 foot straight edge will not exceed 1/16 inch-from any location along any direction. 2  All field tile will be installed with uniform spacing of __1/16 inch __1/8 inch __3/8 inch __other All sight lines between field tile will be straight to within 1/4 inch in 10 feet.