Amendmentdrawing.pdf

Water Surface

Place 6" Crushed Aggregate under Ramp Base

Geotextile

2 Total ~ (one each edge) Use to level after excavation.

Place crushed rock between them prior to placement of the concrete planks.

45°

Cross-Plate Earth Anchor

FOREST SERVICE

U.S. DEPARTMENT OF AGRICULTURE

REGION NINE

NICOLET NATIONAL FOREST

SITE PLAN

CONCRETE RAMP

BOAT LAUNCH

0' 10'5'2.5' continuous around & between planks.continuous around & between planks.

8-10 +/- Planks

12'

3" Typically 5'

1'

1'

3" Steel Pipe

Crushed Rock

Lake Bottom

3 Ft Min Depth -14% Grade

Approx. 26 Ft

(8 cy)(6.5 compacted cy)

2' Crushed Aggregate (Grade D)

Approx. 21 Ft Finished Grade Flush with Adjacent Roadway

2-Inch 1-1/2 Inch 1-Inch 3/4-Inch 3/8-Inch

Sieve Size % Passing (Wt.)

90-100 20-55 0-15 0- 5

Rock Gradation woven or non-woven plastic sheet of at least 4 oz./sq. yd. Fabric shall have a minimum grab tensile strength of 100 lbs. and minimum enlongation of 50%, both determined

The geotextile shall be pervious by ASTM D-1682. Three foot overlaps minimum.

Concrete shall have a raked top surface consisting of 3/8" to 1/2" grooves angled 45° back either side of travel toward the lake on centerline (see drawing approximately 4".

grooves shall be right). Spacing between

2' Clean Fractured Rock (2" Max size)

Approximate water line NOTE: Underlay all aggregate and fractured rock with geotextile.

3" Steel Pipe

3" Steel Pipe

Work on this page is not to be performed by the contractor.

It is shown only to illustrate how the pieces fit together.

rbacon Text Box