Project C 833_pbsc.pdf
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- Forest Road Work
- Solicitation number
- AG-05G1-S-09-0010
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Project C - Spec C 833 Drainage Structure
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Project C Spec 833 RFP AG-05G1-S-09-0010
IDIQ Road Work for the Colville National Forest Page 1 of 4
833 - DRAINAGE STRUCTURE INSTALLATION OR REMOVAL (08/21/07) 1
833 DRAINAGE STRUCTURE INSTALLATION OR REMOVAL (8/07)
833.01 Service Required
Install or remove drainage structures including culverts, water-bars, drivable drain dips (they need to be armored), and cross ditches.
833.02 Performance Standard
Drainage structure installation is complete when culverts, water-bars, drivable drain dips (with armoring) and cross ditches have been installed to the lines and grades specified, and drainage structure removal is complete when designated culverts, water-bars and cross ditches have been removed and culverts have been properly disposed of.
833.03 Location of Work
As specified on roads listed on the ROAD LISTING, SHOWN ON THE PLANS, or as ordered by the Contracting Officer.
833.04 Measurement
Measurement under this Section will be made by the total number of units for each item listed in the SCHEDULE OF ITEMS completed and accepted.
A. Mile: Work activity will be measured along the centerline of the road regardless of the number of lanes.
B. Linear Foot: Work activities by the linear foot will be measured using standard survey methods rounded to the nearest one (1) foot. Culvert bands are incidental to the installation.
833 - DRAINAGE STRUCTURE INSTALLATION OR REMOVAL (08/21/07) 2
833.05 Payment
A. The accepted quantities will be paid at the contract price per unit of measurement for the Section 833 pay items listed in the schedule of items. Payment will be full compensation for the work prescribed in this Section.
Pay Item Description Pay Unit
833(1) ______ Inch corrugated metal pipe, ______ Inch thickness for steel, ______ Inch thickness for aluminum or ______ Inch thickness for Plastic Linear Foot
833(2) Culvert Removal Each 833(3) Water-bar Installation Each 833(4) Water-bar Installation Mile 833(5) Water-bar Removal Each 833(6) Water-bar Removal Mile 833(7) Cross Ditch Installation Each 833(8) Cross Ditch Installation Mile 833(9) Cross Ditch Removal Each 833(10) Cross Ditch Removal Mile 833(11) Drivable Drain Dip Installation Each 833(12) Drivable Drain Dip Installation Mile
833 - DRAINAGE STRUCTURE INSTALLATION OR REMOVAL (08/21/07) 3
833.06 Acceptable Quality Levels
Major Minor Allowable Defects Required Action Description
Defect Defect Major Minor Major Minor
Culvert is smaller than the designated diameter shown on the drawings.
Culvert is larger than the designated diameter shown on the drawings. 0 N/A
Remove culvert and replace with designated size
Accept if culvert fits the geometry of the road but pay at designated size otherwise replace
Culvert size Culvert is shorter than the designated length shown on the drawings.
Culvert is longer than the designated length shown on the drawings.
0 0
Replace or add section to fit geometry of road.
Remove excess culvert and treat cut end, or harden fill slope to prevent erosion and pay for ordered length
Grade and alignment of culvert
More than 10% deviation from original lines and grades.
10% or less deviation from original lines and grades.
0 X per unit
Remove and replace culvert
Repair if greater than X minor defects *
Sag or depression in road after placement of culvert and backfill material
Greater than 2 inch depression in traveled way
2 inch or less depression in traveled way 0 X per unit
Furnish, place and compact designated material to repair depression.
Repair if greater than X minor defects *
Removed culvert or pieces left on National
Forest System Lands
Culverts or pieces of culvert left on National
Forest System Lands N/A 0 N/A
Remove from National Forest System Lands
N/A
Water-bars and cross ditches
More than 10% deviation from original lines and grades.
10% or less deviation from original lines and grades.
0 X per unit
Rework Rework if greater than X minor defects *
Drivable drain dip
More than 10% deviation from specified lines and grades
10% or less deviation from specified lines and grades 0 1 per unit
Rework
Rework if minor defects interfere with proper drainage
Sedimentation
Operations cause or allow sediment to leave site.
N/A 0 N/A
Cease operations until sediment is controlled
N/A
833 - DRAINAGE STRUCTURE INSTALLATION OR REMOVAL (08/21/07) 4
Work Area Management
Not following approved safety plan which may include signs, flaggers, and other temporary traffic control measures
Not following approved safety plan which may include signs, flaggers, and other temporary traffic control measures
0 0
Suspend work until in compliance
Suspend work until in compliance
* Forests have the option to choose a pay reduction in lieu of rework. However, each Forest must establish a threshold where rework is required and define pay reductions for each defect.
Intent and use: User to establish threshold for the acceptable level of quality.
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