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Fall2001 19 Costs The Grant Run restoration item Cost Suggestions project cost $ 35 , 000 for Rock $ 25 per ton ; $ 10 per ton Use river rock rounded by work involving 1 , 200 feet for transportation erosion , rather than of stream improvements , jagged - edge quarry rock , for an average of approxi - for a more natural appearance mately $ 30 per linear foot . Unit costs for materials are Topsoil $ 10 - $ 15 per Compost on - site materials , shown below, along with cubic yard if possible , to reduce hauling suggestions : costs ( grind tree and leaf litter ) It is difficult to write specifications for a stream Labor $ 3 , 000 - $ 5 , 000 Budget to move a front end restoration project , because loader, backhoe , or other there are so many variables equipment to the site that will affect its costs . Streams that have develop - Vegetation $ 6 - $ 10 per potted plant , Use local ( native ) materials ment ( buildings ) within $ 100 per 1 1 /2 - inch and , if possible , recycle the floodway, severe slopes caliper tree ( diameter of on - site materials ( more than 20 percent ) on tree trunk at base ) both sides , concrete armoring , dense shrubs Excavation $ 6 - $ 12 per cubic yard Estimate excavation based ( e . g . , Japanese Honey - i suckle ) or heavy forests , on stream cross - sectons retaining walls , or roadways Erosion $ 300 - $ 400 ( nine feet For steep slopes within 20 feet will be much control tall by 100 feet in length ) more expensive or impos - fabric sible . The amount of existing vegetation and Erosion $ 12 - $ 15 per linear foot Use fabric woven with floodplain , as well as the control seedlings and soil , placed existing stream geometry, log at the base of stream , to can create major differences reduce planting labor costs in requirements for material and construction . The costs of completing stream restoration projects also will vary with the terrain , surrounding features , severity of flooding , and accessibility to the stream . The costs of restoring Grant Run were substan - tially reduced below average costs through several means . Trees along the stream were used to create root wads and logs to assist in preventing toe erosion of the stream banks . Some rock had to be hauled to the site , but most of the construction material was already on the property. Using on - site materials signifi - v cantly reduced material purchase and hauling costs . Volunteers worked on the v project which further reduced project P d o costs . Adjacent property owners volun - teered their time and planted trees along c the stream to further stabilize the stream Ln AW a banks . Finally, obtaining grant funds reduced the local costs of stream restora - } ' ' v tion . Rock, rootwads, and cuttings help stabilize the bank near the park.