Attachment 6_Section 834 - Drainage structure maintenance.pdf

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Attached to
Creek Fire Beasore Road Repairs Federal contract opportunity
Solicitation number
12363N23R4018
Issued by
Department of Agriculture Forest Service

About this file

This document contains a federal contract solicitation and related technical specifications for drainage structure maintenance work. The solicitation seeks offers to repair 5.49 miles of Beasore Road on the Sierra National Forest, including cleaning and reconditioning culverts, replacing 600 linear feet of 36-inch corrugated metal pipe, installing metal end sections and a metal spillway, performing 6 inches of full depth reclamation on certain sections of the road, installing geogrid, grading and compacting material, importing and placing base rock, installing riprap, placing a 4-inch layer of hot mix asphalt, and painting a double yellow center line. Offerors should submit proposals to Catherine Whitted of the U.S. Department of Agriculture Forest Service by June 16, 2023 at 4:00 pm PDT. The estimated value of the contract is between $5-10 million.

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Text version

834 DRAINAGE STRUCTURE MAINTENANCE (8/96)

1. DESCRIPTION

This work consists of cleaning and reconditioning culverts.

2. MAINTENANCE REQUIREMENTS

a. Drainage structures, inlet structures, culverts, catch basins, and inlet and outlet channels shall be cleaned when required by the Government. Catch basins shall be cleaned by removing the material within 10 feet.

b. The transition from the ditchline to the catch basin shall be cleaned a distance of ten

(10) feet. Inlet channels shall be cleaned for a distance of ten (10) feet of debris that obstructs water flow or could move down and plug the culvert inlet. Outlet channels and lead-off ditches shall be cleaned. Debris and vegetation shall be removed and placed so as to not enter the channel or ditch or obstruct traffic.

c. Cleaning and reconditioning is limited to the first four (4) feet of inlet and outlet determined along the top of the structure. Ordered reconditioning of culvert inlet or outlet shall be by field methods such as jacking out or cutting away damaged metal which obstructs flow. Damage or obstructions which are not field corrected under the requirements of this Section shall be reported to the Government.

d. Removal of brush and trees less than six (6) inches in diameter is incidental.

Brush and trees shall be disposed of by cutting into lengths of four (4) feet or less and scattered on fill slopes or outside the roadway limits.

3. MEASUREMENT

a. Measurement for maintenance will be “by the mile”, measured by slope distance along the centerline of the roadway. Measurement will be to the nearest one-tenth mile. No separate measurement will be made for any of the elements of work described in the foregoing

4. PAYMENT

a. Quantities as determined above will be paid at the contract unit price.

b. Payment will be made under:

Pay Unit Pay Item

834(01) Drainage Structure Maintenance, Mile

File details come from the government source that posted it. Updated .