Specs Replacements Section 31 2200 Grading.pdf

Franklin Lake Campground Historic Building Restoration CIM-0900-24F-32-0913-02 Historical Building Restoration Construction

GRADING 31 2200 - 1

SECTION 31 2200

GRADING

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Removal and storage of topsoil.

B. Rough grading the site.

C. Finish grading.

D. Seeding and Mulching of replaced topsoil.

1.02 RELATED REQUIREMENTS

A. Section 31 2316 - Excavation.

B. Section 31 2323 - Fill: Filling and compaction.

1.03 SUBMITTALS

A. Project Record Documents: Accurately record actual locations of utilities remaining by horizontal dimensions, elevations or inverts, and slope gradients.

1.04 QUALITY ASSURANCE

A. Perform Work in accordance with State of Wisconsin, Highway Department standards.

1.05 PROJECT CONDITIONS

A. Protect above- and below-grade utilities that remain.

B. Protect plants, lawns, rock outcroppings, wetlands, and other features to remain as a portion of final landscaping.

C. Protect bench marks, survey control points, and paving from grading equipment and vehicular traffic.

PART 2 PRODUCTS

2.01 MATERIALS

A. Topsoil: Topsoil excavated on-site.

1. Graded.

2. Free of roots, rocks larger than 1/2 inch, subsoil, debris, large weeds and foreign matter.

B. Seed: Wisconsin DOT Standard Mix No. 10.

C. Mulch: Straw or hay in an air-dry condition, wood excelsior fiber, wood chips, or other suitable material of a similar nature that the Contract Officer approves, and is substantially free of noxious weed seeds and objectionable foreign matter.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify that survey bench mark and intended elevations for the Work are as indicated.

3.02 PREPARATION

A. Identify required lines, levels, contours, and datum.

B. Stake and flag locations of known utilities.

C. Locate, identify, and protect from damage above- and below-grade utilities to remain.

Franklin Lake Campground Historic Building Restoration CIM-0900-24F-32-0913-02 Historical Building Restoration Construction

GRADING 31 2200 - 2

3.03 ROUGH GRADING

A. Remove topsoil from areas to be further excavated, re-landscaped, or re-graded, without mixing with foreign materials.

B. Do not remove topsoil when wet.

C. Remove subsoil from areas to be further excavated, re-landscaped, or re-graded.

D. Do not remove wet subsoil, unless it is subsequently processed to obtain optimum moisture content.

E. When excavating through roots, perform work by hand and cut roots with sharp axe.

F. Stability: Replace damaged or displaced subsoil to same requirements as for specified fill.

3.04 SOIL REMOVAL and STOCKPILING

A. Stockpile excavated topsoil on site.

3.05 FINISH GRADING

A. Before Finish Grading:

1. Verify building and trench backfilling have been inspected.

2. Verify subgrade has been contoured and compacted.

B. Remove debris, roots, branches, stones, in excess of 1/2 inch in size. Remove soil contaminated with petroleum products.

C. In areas where vehicles or equipment have compacted soil, scarify surface to depth of 3 inches.

D. Place topsoil in areas where seeding and planting are indicated.

E. Place topsoil where required to level finish grade.

F. Place topsoil to nominal depth of 3 inches.

G. Place topsoil during dry weather.

H. Remove roots, weeds, rocks, and foreign material while spreading.

I. Near plants spread topsoil manually to prevent damage.

J. Fine grade topsoil to eliminate uneven areas and low spots. Maintain profiles and contour of subgrade.

K. Lightly compact placed topsoil.

L. Seed and Mulch placed topsoil in accordance with State of Wisconsin Standard Specification for Construction, 2010 edition practices and materials, Sections 627 and 630.

3.06 TOLERANCES

A. Top Surface of Subgrade: Plus or minus 1/10 foot from required elevation.

B. Top Surface of Finish Grade: Plus or minus 1 inch.

3.07 CLEANING

A. Leave site clean and raked, ready to receive landscaping.

END OF SECTION