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RIPRAP DETAIL
PIPE INLET AND OUTLET -e
CONSTRUCPON NOTES
1. All items of construction shall be completed within the "1991 Standard Specifications
for Road, Bridge, and Municipal Construction as promulgated by the Washington State
8" FLAT TRANSITION
Deportment of Transportation" and the "Spokane County Standards for Road and Sewer
Construction 1992". and as amended.
2. Locations of existing utilities shown on these plans are approximate. The Contractor
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shall be responsible for locating all underground utilities. Any conflicting utilities shall be
relocated prior to construction of road and drainage facilities.
777717151IF7
Provide fresh, clean new crop seed compl ing with tolerance for purity and germination
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3. The Contractor is required to hove a complete set of the approved road and drainage
established by Official Seed Analysts of North America. Provide seed mixture composed
2.0% MIN SLOPE
plans on the job site whenever the construction is in progress.
of gross species and percentages as follows'.
4. For construction of drywells, install filter fabric (Amoco 4545 or approved equivalent)
20 percent Elko Perennial Rye
between the drywell barrel and the washed drainrock, and between the washed drainrock
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and the native soils.
20 percent Darer Hard Fescue
5. If the contractor discovers any discrepancies between the plans and existing conditions
45 percent Cover Sheep/Fescue
encountered, the Contractor shall immediately notify the Design Engineer and the Spokane
County rigineer's Office.
15 percent reubens Canadian Bluegrass
6. Prior to site construction, the Contractor is responsible for locating underground utilities.
Provide mixture composed of gross seed and fertilizer in percentages as follows'.
Call the underground utility location service at 456-8000 before you dig.
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Gross seed mixture: 90 lb.s per acre
7. Curb data is to back of curb dimension.
Fertilizer: 16-16:16 timed release composition, 300 lbs. per acre
8. All signage must conform to Manual of Uniform Traffic Control Standards (M.U.T.C.D.).
All seeding of slopes shall be done in accordance with WSDOT Standard Specifications
9. All existing areas damaged by construction equipment including excavations and ponsible
embankments shall be hydroseeded per seeding specifications. Contractor shall be res
Contractor shall irrigate seeded areas until seed has germinated and has been accepted by
for any damage caused by soil erosion until final acceptance of improvements by Spokane
Spokane County.
County.
CONSTRUCTION SPECIFICATIONS
S E ..DING SPECIFICATIONS
PORTLAND CEMENT
CONCRETE
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777717151IF7
2.0% MIN SLOPE
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PORTLAND CEMENT
CONCRETE
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