02211 - Rough Grading.pdf
PDF 103 KB Posted
- Attached to
- Stone Creek Golf Course Irrigation Project
- Solicitation number
- S-C01010-00016773
- Issued by
- Oregon
About this file
This is a Scope of Work document for Section 02211 – Rough Grading, part of the Stone Creek Golf Club Irrigation Renovation Project in Clackamas County, Oregon. The work encompasses removal of topsoil and subsoil, cutting, grading, filling, and rough contouring of the project site. Topsoil must be excavated material that is graded and free of roots, rocks larger than one inch, subsoil, debris, and large weeds, while subsoil must be excavated material free of lumps larger than six inches, rocks larger than three inches, and debris. Prior to execution, the contractor must verify survey benchmarks and intended elevations, identify required lines, levels, contours, and datum, identify and protect known utilities, and notify utility companies for any required relocations. The contractor is responsible for protecting existing structures, sidewalks, plant life, paving, and surveying control points from equipment and vehicular traffic.
During execution, topsoil and subsoil must be excavated separately and stockpiled on-site with locations verified by the owner, with protection from erosion maintained throughout. Fill areas must be proof-rolled with fully loaded rubber tire trucks or water trucks under engineer observation, with soft or unsuitable areas over-excavated and replaced with compacted structural fill. Fill materials must be unfrozen and maintained at optimum moisture content to achieve required compaction density, with grade slopes directed away from buildings and grade changes kept gradual. The top surface of subgrade must meet a tolerance of plus or minus one-tenth foot. Field quality control requires proof-rolling of compacted fill surfaces under slabs-on-grade, paving, and building pads before footing placement, with any non-conforming work removed and replaced at no cost to the owner.
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Other files
| File | Type | Posted |
|---|---|---|
| BID 2026-24 Stone Creek Golf Irrigation.pdf | ||
| 02110 - Site Clearing.pdf | ||
| 25014 - Bid Set.pdf | ||
| 02811 - Golf Course Irrigation.pdf |
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Text version
Clackamus County Stone Creek Golf Club
Irrigation Renovation Project 02211/1 10/25
SECTION 02211
ROUGH GRADING
PART 1 – GENERAL
1.1 SUMMARY
A. Section Includes
1. Removal of topsoil and subsoil.
2. Cutting, grading, filling and rough contouring the site.
1.2 REFERENCES – NOT USED.
1.3 SUBMITTALS – NOT USED.
1.4 QUALITY ASSURANCE – NOT USED.
1.5 DELIVERY, STORAGE, AND HANDLING - NOT USED.
1.6 PROJECT/SITE CONDITIONS - NOT USED.
1.7 SEQUENCING AND SCHEDULING - NOT USED.
1.8 EXTENDED WARRANTY - NOT USED.
1.9 MAINTENANCE - NOT USED.
PART 2 – PRODUCTS
2.1 MANUFACTURES - NOT USED.
2.2 MATERIALS
A. Topsoil: Excavated material, graded, free of roots, rocks larger than 1 inch, subsoil, debris, and large weeds.
B. Subsoil: Excavated material, graded, free of lumps larger than 6 inches, rocks larger than 3 inches, and debris.
2.3 MANUFACTURED UNITS - NOT USED.
2.4 EQUIPMENT - NOT USED.
2.5 COMPONENTS - NOT USED.
2.6 ACCESSORIES - NOT USED.
2.7 MIXES - NOT USED.
2.8 FABRICATION - NOT USED.
2.9 SOURCE QUALITY CONTROL - NOT USED.
PART 3 – EXECUTION
3.1 EXAMINATION
A. Verify that survey benchmark and intended elevations for the Work are as indicated.
3.2 PREPARATION
A. Identify required lines, levels, contours, and datum.
B. Identify known underground, above ground, and aerial utilities. Stake and flag locations.
C. Notify utility company to relocate utilities, if required.
D. Protect above and below grade utilities which are to remain.
E. Protect bench marks, fences, surveying control points, existing structures, sidewalks, plant life and paving, from excavation equipment and vehicular traffic.
F. Generally, compact subgrade to density requirements for subsequent backfill materials.
3.3 EXECUTION
A. Topsoil Excavation
1. Notify Engineer for approval before continuing work.
2. If necessary before making cuts, remove existing top soil over areas to be cut and filled not previously removed by stripping specified in other Sections and stockpile in suitable area.
Clackamus County Stone Creek Golf Club
Irrigation Renovation Project 02211/2 10/25
3. Stockpile on site. Verify stockpile location with Owner. Separate topsoil from subsoils.
Protect from erosion.
B. Subsoil Excavation
1. Excavate subsoil from areas to be further excavated, or re-graded.
2. Stockpile on site. Protect from erosion. If soft spot, water, or other unusual excavating conditions are encountered, stop work and notify Architect.
C. Filling
1. Exposed surfaces to be proof-rolled with a fully loaded rubber tire dump or water truck under the observation of a representative of the Engineer. Areas found to be soft or otherwise unsuitable for support of support of structural loads should be over-excavated and replaced with compacted structural fill.
2. Fill areas to contours and elevations with unfrozen materials.
3. Maintain optimum moisture content of fill materials to attain required compaction density.
4. Slope grade away from building as shown on plans.
5. Make grade changes gradual. Blend slope into level areas.
6. Remove surplus fill materials from site.
D. Tolerances
1. Top Surface of Subgrade: Plus or minus 1/10 foot.
3.4 FIELD QUALITY CONTROL
A. If tests indicate Work does not meet specified requirements, remove Work, replace and retest at no cost to Owner.
B. Proof-roll compacted fill surfaces under slabs-on-grade and paving. Proof roll building pad before placing footings.
3.5 ADJUSTING - NOT USED.
3.6 CLEANING - NOT USED.
3.7 DEMONSTRATION - NOT USED.
3.8 PROTECTION
A. Protect finished work under provisions of Division One.
3.9 SCHEDULES - NOT USED.
END OF SECTION 02211
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