combined dwgs.pdf
PDF 724 KB Posted
- Attached to
- GAOA Wall RD Aggregate Placement, Nebraska National Forest &Grasslands Federal contract opportunity
- Solicitation number
- 1091391
- Issued by
- Department of Agriculture Forest Service
About this file
This set of documents includes construction drawings and specifications for a federal contract opportunity to recondition 7.6 miles of an aggregate surfaced road located on the Nebraska National Forests and Grasslands in South Dakota. Work will include scarifying and shaping the existing roadway, placing and compacting 4 inches of aggregate base course, installing and extending drainage structures, replacing one culvert, and reconditioning intersections and turnouts. Bidders must have experience in road construction and maintenance. The solicitation was released by the U.S. Department of Agriculture Forest Service with bids due by August 2022. The estimated award value is $250,000.
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| Amendment No. 2.docx | DOCX document | |
| Amendment No. 1.docx | DOCX document | |
| description of work.docx | DOCX document | |
| aggregate spec.pdf | ||
| Wage Determination (2).pdf | ||
| specs.pdf | ||
| spec cover sheet.pdf | ||
| 1240LT23R0016.pdf | ||
| Wall Aggregate Placement.pdf |
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Text version
GAOA 2021 WALL AGGREGATE PLACEMENT
PROJECT LOCATION
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VICINITY MAP
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OF
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FILE NAME:
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PROJECT
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KEARNEY
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KEARNEY
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NA
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PLOT SCALE:
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FOREST SERVICE
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ROCKY MOUNTAIN REGION
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U.S. DEPARTMENT OF AGRICULTURE
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AutoCAD SHX Text GAOA 2021 Wall Aggregate Placement
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NO SCALE
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NEBRASKA
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SOUTH
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DAKOTA
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LOCATION MAP
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WYOMING
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ROCKY MOUNTAIN REGION (R-2)
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NEBRASKA NATIONAL FORESTS & GRASSLANDS
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NO SCALE
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AutoCAD SHX Text 02/2023
AutoCAD SHX Text Steer Pasture Road 7116: From Exit 110 at Wall, travel east on Interstate 90 for approximately 5.9 miles to Exit 116. Turn right and travel to the Minuteman Missile Site access road. Begin project just past this road as staked by the Government.
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NFSR 7116
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CS 12
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FS
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AutoCAD SHX Text BEGIN project here at MP 0.00, as staked.
AutoCAD SHX Text MP 1.35 CMP to be replaced.
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CS 12
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PRIVATE
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AutoCAD SHX Text 1st drainage crossing at MP 1.65.
AutoCAD SHX Text 2nd drainage crossing at MP 2.00
AutoCAD SHX Text 3rd drainage crossing at MP 2.81.
AutoCAD SHX Text 4th drainage crossing at MP 3.19
AutoCAD SHX Text 5th drainage crossing at MP 3.57.
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AutoCAD SHX Text 6th drainage crossing at MP 3.80.
AutoCAD SHX Text EOP at approx. MP 4.55 near beginning of badlands.
Aggregate does not go all the way out to shoulder.
Dispose of by side-casting
No work required.
As needed to achieve crown section
No work required
Required reconditioning includes necessary widening for fill, curves and turnouts.
Crown shall be 2-4% slope out from centerline
Cast over fill slope.
Crown Section With 4 Inch Compacted Aggregate
RECONDITIONING OF ROADBED
* NOTE:
30307
Aggregate ft
Recondition Existing Flat Road to Crown Section
Recondition ft width 8-10 ft. minimum.
Existing two-track roadway
12" min.
12" min.
Use proposed ditch material for roadway crown construction, as needed.
Proposed ditch (if needed) shall be 12" (min.) below centerline elevation.(typ).
Ditch may not be constructed if water flows off roadway and/or material is not needed for crown construction.
4" compacted aggregate (typ).
Revised: 02/22/23 KE
AutoCAD SHX Text Clearing:
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TYPICAL ROAD SECTIONS
TYPICAL OUTSLOPE SECTION
TYPICAL ROAD CROWN SECTION
No Scale reconditioned roadway
1'
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L aggregate
12'
14' c
L
NOTES:
4 inch aggregate compacted depth
4 inch aggregate compacted depth
Location and placement of corrugated
HDPE culvert pipe shall be staked by the Government.
reconditioned roadway
14'
Ditch line (if constructed) is
12 inches lower (min) than crown centerline (typ).
aggregate
12'
12 inch taper, both sides (typ)
It may not be necessary to construct a ditch if water drains away from constructed roadway.
In this case, only construct a ditch if material is needed to construct roadway as shown.
Construct ditch if material is needed to construct a crown section as shown, (typ.)
Remove existing CMP and replace with an 18 inch by 24 foot long corrugated HDPE culvert pipe. Place a min. of 12 inches of fill over top of pipe. Backfill material shall come from drainage crossing 1. Slope corrugated HDPE culvert pipe for positive flow.
G ro u n d li n e ty p
G r o u n d l i n e t y p
Revised: 02/08/23 KE
12"
CORRUGATED HDPE CULVERT and
Construct 20 foot long approaches on each side of corrugated HDPE culvert pipe. Compaction Method A.
Compact around corrugated HDPE culvert pipe using mechanical equipment on 6 inch lifts, minimum 3 passes.
Flow
PIPE SECTION
No Scale
4 inch aggregate compacted depth
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GAOA_2021_WALL_AGGREGATE_PLACEMENT
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TYPICAL_ROAD_SECTIONS
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KEARNEY
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FOREST SERVICE
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ROCKY MOUNTAIN REGION
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U.S. DEPARTMENT OF AGRICULTURE
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WALL_RANGER_DISTRICT
TYPICAL SECTION and PLAN VIEW
TYPICAL DRAINAGE CROSSING SECTION
1'
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Flowline reconditioned roadway
14'
Revised: 02/06/23 KE
SDDOT Class A riprap, 24 inches deep at drainage crossings 1, 2, and 3. Drainage crossings 4, 5, and 6 shall have a depth of
18 inches.
Non-woven geotextile blanket,
12.5 feet wide by specified length per crossing.
2"-3" clean rock, six (6) inches deep placed over the riprap.
4 inch compacted depth aggregate, 12 foot wide running surface, typ.
Flowline
14 foot wide reconditioned roadway with a 12 foot wide running surface of 4 inch compacted depth aggregate base course, typ.
25'
F l o w l i n e
Drainage crossings 1, 2, and 3 are 50 feet long, as staked.
Drainage crossings 4, 5, and 6 are 25 feet long, as staked.
F l o w l i n e
Excavate drainage crossings 1, 2, and 3 to a depth of 34 inches, and drainage crossings 4, 5, and 6 to a depth of 28 inches. Ensure the top elevation of the aggregate base course is level or just above the existing flow line of drainage.
TYPICAL PLAN VIEW
No Scale
25'
Ten (10) foot long lead-off ditch above drainage approaches to keep water from flowing into drainage, as staked (typ).
DitchDitch
Ditch Ditch
Cut backslopes at approaches to drainages only as needed.
Typical drainage crossing section as shown above.
A
A
SECTION A-A
Option Item D - If funded, extend and install the drainage crossing materials out from other work as staked by the
Government.
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WALL_RANGER_DISTRICT
TYPICAL_DRAINAGE_CROSSING
| 1 Location and vicinity maps |
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| Model |
| 2_Reconditioning_of_Roadbed |
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| 3_typical_road_section |
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| Model |
| 4_typical_drainage_crossing |
| Sheets and Views |
| Model |
File details come from the government source that posted it. Updated .