A.1_Two_Island_Grade_Drawings.pdf
PDF 1 MB Posted
- Attached to
- FR 170, Two Island Grade Improvements Federal contract opportunity
- Solicitation number
- 1263A918R0011
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Maps and Drawings
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| File | Type | Posted |
|---|---|---|
| 1263A918R0011.pdf | ||
| A.2_Wage_rate.pdf |
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Text version
Invert El = same Rock Drain
50’ long x 18” high x road width = approx. 120 cy per site
Encase in MnDOT Type 5 nonwoven geotex le on 4 sides, upstream and downstream shall remain exposed
Rock shall be well graded and vary from 3” to 12” to allow voids for water to perc thru
Prior to install agree on final loca on at least 50’ from culvert
Set bo om at same eleva on as culvert inlet. Set culvert same elev of old CMP
Rock is free from FS pits if located. If not contractor shall supply.
Base of drain shall slope up approx. 3” from upstream side to downstream side to create
“ponded” water under road in rock to limit sound of flowing water to beaver.
Cover shall be minimum of 12” of 3” max select granular borrow with 6” of crushed aggregate.
Bid as a LUMP SUM item
Road
Beaver Drain
Min 12” select granular borrow
New Size New Length span x rise (in) (ft.)
18 38 21 40 21 42 21 40 30 36 21 44 24 52 21 42
28x20 40 18 38 18 38 30 48 21 40 18 38
Optional Supplied Culverts
| drawing_package.pdf |
| Beaver Drain.pdf |
| Optional Culverts Supplied.pdf |
| Table 1 |
File details come from the government source that posted it.