Webster County Appendix B -List of Contractor QAQC Requirements-ARFQ DEP2100000019.pdf
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- Solicitation number
- ARFQ 0313 DEP2100000019 7
- Issued by
- Wetzel County, West Virginia
About this file
This is a Quality Assurance/Quality Control (QA/QC) Requirements document for Webster County related to a sanitary landfill closure project (Project No. 0101-17-0380-006). The document, dated September 13, 2019, outlines 25 specific contractor QA/QC requirements that must be fulfilled throughout the project lifecycle. The requirements span multiple construction phases and encompass laboratory testing of fill materials, field density testing, geosynthetic material certifications, grout testing, stone soundness testing, soil classification, piping certifications, hydrostatic testing, direct shear testing, geomembrane seam testing, and verification testing for daily cover, intermediate soil cover, and final site conditions. Submissions are required to either the Owner's Representative or the Engineer at various stages, with timing ranging from prior to work initiation through completion of specific construction activities.
The document does not contain pricing terms, set-asides, incumbent information, or funding details. Instead, it serves as a technical specification appendix that establishes the testing and certification standards contractors must meet to demonstrate compliance with project specifications. Contractors are responsible for ensuring all required QA/QC testing is performed by qualified laboratories and certified professionals, with results documented and submitted according to the prescribed schedule to maintain project quality standards throughout the sanitary landfill closure operations.
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List of Contractor QA/QC Requirements
Project No. 0101-17-0380-006 September 13, 2019
APPENDIX B
LIST OF CONTRACTOR QA/QC REQUIREMENTS
WEBSTER COUNTY SANITARY LANDFILL CLOSURE
Item No.
Specification
Section Requirement Submitted To Due
1 14.3 and 18.6 Laboratory Tests of Fill Materials to Identify Standard Proctor
Maximum Dry Density
Owner’s
Representative
Prior to Earthwork
2 14.3, 17.3.3,
17.3.4 and 19.4.7
Field Density Tests:
One Test Required per 2000 Cubic Yards of Fill Placed; One Test
Required per Lift per 500 Feet of Trench; Minimum of One Test per
Day
Owner’s
Representative
As Work Progresses
3 14.3 Geosynthetic Materials Manufacturer QA/QC Data Including
Quality Control Test Results and Certifications for Geotextiles, HDPE Drainage Net, VFPE Geomembrane
Owner Prior to Shipment of
Materials to Site
4 17.2.1 Grout Cylinders or Cubes Tested for Unconfined Compressive
Strength: 3 Specimens Made for Every 20 Cubic Yards Poured, Tested at 7 and 28 Days
Owner As Results Are
Available
5 17.2.3 and 18.7 Sodium Sulfate Soundness Test Results for Riprap Stone Owner Prior to Disturbance of Borrow Area or
Prior to Delivery of
Stone to Site 6
6 Various Gradation Results on All Purchased Stone for Road Surfacing, Underdrains, and Pipe Bedding
Owner Prior to Delivery to the Site
7 Various Suppliers’ Certification and/or Proof That HDPE and PVC Piping
Supplied is in Accordance with the Pipe Classes Specified
Owner Prior to Delivery of
Materials
Specification
Section Requirement Submitted To Due
8 18.6 Testing/Classification of Soils
- USCS Classification for Sediment Pond Embankment Soils
- Sieve Analysis for Other Soils
- Standard Proctor Maximum Dry Density
9 19.4.5 Hydrostatic Testing of Solid Piping Owner Upon Completion of
Test
10 20.3.1 Direct Shear Testing Between Intermediate Soil Cover Samples and
Selected Geonet Composite Sample
Engineer Prior to Ordering
Geonet and
Placement of
Intermediate Soil
Cover Layer
11 20.3.2 Direct Shear Testing Between Final Soil Cover Samples and
Selected Geonet Composite Sample
Engineer Prior to Ordering
Geonet
12 20.3.3 Geonet Composite Transmissivity Testing Using VFPE and Soil
Samples
Engineer Prior to Ordering
Geonet Composite
13 20.4.1 Daily Cover Verification Test Pits, One per Acre Engineer Prior to Placement of
Intermediate Cover
14 20.4.2 Intermediate Soil Cover Layer Compaction Tests, One Test per 2000
Cubic Yard of Fill Placed
Engineer As completed
15 20.4.6.1 VFPE Test Seams, Shear Seam Strength and Peel Tests Engineer Daily Prior to Field
Seaming
16 20.4.6.2 Non-Destructive Testing of VFPE Field Seams Engineer Daily When Seaming
VFPE
17 20.4.6.3 Destructive Testing of VFPE Field Seams Engineer Daily When Seaming
VFPE
21 23.3.2 and 23.3.3 Lime and Fertilizer Application Rates Based on Soil Analysis Engineer Prior to Seeding
22 21.0 Leachate Surface Impoundment QA/QC – See Section 21.0 Engineer As Required
Specification
Section Requirement Submitted To Due
23 22.0 Impoundment HDPE Geomembrane QA/QC – See Section 21.0 Engineer As Required
24 27.0 Leachate Loadout Vault and Detection Manhole QA/QC – See
Section 21.0
Engineer As Required
25 28.0 Leachate Loadout Control System QA/QC – See Section 21.0 Engineer As Required
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