A. 837 Drainage Dip Maintenance.pdf
PDF 253 KB Posted
- Attached to
- Carson National Forest- Road 44B Maintenance
- Solicitation number
- 12363N23Q4010
- Issued by
-
Department of Agriculture Forest Service
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| 12363N23Q4010-amendment2.pdf | ||
| Picture3.png | PNG image | |
| 12363N23Q4010-amendmentextension.pdf | ||
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| Picture5.png | PNG image | |
| Picture1.png | PNG image | |
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| 12363N23Q4010-Amendment1.pdf | ||
| A. 837-1 Drainage Dip Maintenance.pdf | ||
| A. 834 Drainage Structure Maintenance.pdf | ||
| A. 839-Restore Drainage Function.pdf | ||
| E. WageDetermination.pdf | ||
| 12363N23Q4010 (1).pdf | ||
| B. Fire Plan.pdf | ||
| A. 805 Mobilization.pdf | ||
| D. CAF NFSR 44B MAP 2022.pdf | ||
| A. 807 Equipment Rental.pdf | ||
| C. CAF NFSR 44B WORK LOCATION SPREADSHEET.pdf |
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Text version
837 DRAINAGE DIP MAINTENANCE (10/16)
1. DESCRIPTION
This work consists of separately ordered maintenance of existing drainage dips and special outlet structures on all types of roads. Included in this are rolling dips on native, aggregate, and paved roads.
2. MATERIALS
Materials used in maintenance shall conform to the requirements of the applicable Sections for the materials within the structure.
3. MAINTENANCE REQUIREMENTS
a. Special outlet structures such as aprons, culverts, and flumes shall be removed if necessary prior to maintaining the drainage dip, or the finished dip shall be oriented to the structure for alignment and gradient.
b. Hand work may be necessary to obtain a smooth surface and uniform cross section. Any special outlet structure removed shall be reinstalled to the flow line grade established by the completed drainage dip. The first six (6) feet of any lead-off ditch or channel shall be cleaned incidental to this Section.
c. Native material drainage dips shall be shaped to reasonably conform with the lines, grades, and cross sections shown in Drawing 837-1 or staked on the ground. Removed materials shall be distributed uniformly over the downgrade road surface adjacent to the dip. Rocks shall not project more than two (2) inches above the final surface.
d. Aggregate or rock surfaced drainage dips shall be cleaned. When the Government determines the drainage dip requires shaping to conform to Drawing 837-1, existing surfacing materials shall be conserved for reuse upon completion of shaping. Conserved surfacing shall be placed and compacted with equipment prior to reinstalling any special outlet structures. Watering when required, will be in accordance with Section 891. Additional surfacing, if required, will be ordered under Section 813.
e. Bituminous surfaced drainage dips shall be cleaned.
4. MEASUREMENT
Measurement of drainage dips maintained will be the number of units of each type completed and accepted.
5. PAYMENT
a. The quantities will be paid for at the contract unit price as shown in the Schedule of Items.
b. Payment will be made under:
Pay Item Description Pay Unit
837 (1) Clean and Shape Drainage Dip, Native Surface Each
837 (2) Clean Drainage Dip, Aggregate Surface Each
837 (3) Reshape Drainage Dip, Aggregate Each
837 (4) Clean Bituminous Drainage Dips Each
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