Plan.pdf

T50N

FR 1700 SEG. # 3

OTTAWA NATIONAL FOREST

ONTONAGON COUNTY

MICHIGAN

LENGTH MILES

miles reconstruction

R36W

~~~~ir=3F='- Project Site

Existing Roads

--------- Proposed Roads

FR 1700

NOTES

NOTE: The construction tolerance for maximum allowable deviation from construction stakes and the drawings shall be Class C as described in the supplemental specification 204.

NOTE: While performing clearing and grubbing operations care shall be taken to fell trees away from road centerline with felling equipment or by sawyers.

Also care shall be taken to not damage remaining standing trees at the established clearing limits.

NOTE: Temporary measures to control soil erosion and sedimentation through the use of silt fence, hay or straw bales shall be as directed by the engineer.

NOTE: There is 992 c .y. of granular culvert backfill material to be hauled and placed at the culvert, station 7+20. This volume plus 125% for granular borrow computes to a loose volume of 1240 c.y. There is no government culvert backfill material source available for this culvert.

NOTE: There is 238 C.Y. of Class III riprap to be placed as shown in the plans.

There is no government riprap source available.

NOTE: Geotextile shall be placed under all riprap. Geotextile for this project shall be non woven, and equal to or greater than CONTECH

CONSTRUCTION PRODUCTS INC. C-80 NW.

NOTE: There is 612 C.Y. of unclassified borrow to be placed on the project. This volume plus the normal compaction volume of 125% for unclassified borrow computes to a loose volume of 765 C.Y. There is no government source available.

NOTE: There is 410 C.Y. of crushed limestone aggregate to be placed on FR

1700. This volume plus the normal compaction volume of 133% for crushed aggregate computes to a loose volume of 545 C.Y. This is no government source available. This material shall meet MI 23A specifications for crushed aggregate.

NOTE: There is no government source available for MI 6a, bedding material.

NOTE: During hauling operations the contractor shall furnish and install trucks hauling signs in locations designated by the engineer.

NOTE: Only riveted corrugated steel pipes will be accepted at stations 1+00 and

3+70, FR 1700.

NOTE: The contractor shall submit a culvert excavation and backfill plan for review and approval by the CO prior to the beginning of construction at station 7+20. This plan shall include the method of dewatering and the method used to keep the backfill area dry.

NOTE: The contractor shall furnish and install 8 guide marker posts at station

7+20, unnamed tributary to the West Branch Sturgeon River. The contractor shall provide treated 4”x4” wood posts, lag screws, and washers. The object markers will be provided by the Forest Service.

NOTE: During the excavation and backfill operations at station 7+20, unnamed tributary to West Branch of Sturgeon River, FR1700 shall be closed to through traffic. The contractor shall furnish and install the following temporary construction traffic control devices prior to the start of construction activities. These devices shall be properly maintained during the life of the project and shall not be removed until grade has been met.

Furnishing, installation, and removal of these signs are considered incidental to the construction and shall not be paid for separately.

1) Type III ( Road closed to through Traffic) barricades shall be installed as designated by the CO. (2 sets shall be furnished by the Contractor)

2) Type III (Road closed to all Traffic) barricades shall be installed as directed by the CO.

(2sets shall be furnished by the Contractor)

NOTE: Excavated material considered suitable by the engineer may be incorporated into the construction of the embankment.

NOTE: All areas disturbed, by the contactor shall be fertilized, seeded, and mulched. Mulching shall consist of weed free hay or straw.

NOTE: Mobilization will be paid for in this contract. .

NOTE: Providing and placing temporary signs will not be paid for separately.

This work shall be considered incidental to all other items.

NOTE: There are two culverts to be removed and disposed of. These culverts shall not be disposed of on government land.

NOTE: The contractor shall not move any off road equipment onto the project site without first taking reasonable measures to ensure each piece of equipment is free of soil, seeds, vegetative matter or debris.

NOTE: There may be Public Utilities in unknown places on this project. The contractor is responsible to call Miss Dig three working days prior to the start of construction. Phone 1-800-482-7171.