Table_1_Base_Liner_System_Components.pdf
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- Solicitation number
- 2026-PURB RFP-0031
- Issued by
- Sacramento County, California
About this file
This is a technical as-built documentation file for the Kiefer Landfill (KLF) base liner system prepared by the County of Sacramento, Department of Waste Management & Recycling. The document provides a comprehensive summary of liner system components installed across multiple modules and phases at the 12,701 Kiefer Boulevard facility in Sloughhouse, California from November 1993 through February 2024. The table details the specifications for nine separate construction phases covering approximately 153.2 total acres, with each phase identifying the general contractor, liner installer, construction date, area coverage, and construction quality assurance (CQA) firm responsible for oversight.
Each phase documents standardized liner system components including operations layers (soil or sand), nonwoven geotextile filters, leak detection and recovery system (LCRS) drainage layers with pea gravel, high-density polyethylene (HDPE) geomembranes with single-sided or double-sided texturing, geosynthetic clay liners (GCL), and secondary components including leak detection system (LDS) geocomposites and secondary geomembranes in later phases. Material specifications remain relatively consistent across phases, with primary geomembranes standardized at 60 mil HDPE and permeability requirements for low-permeability soils maintained at K < 1x10⁻⁷ cm/s or better. Notable variations include the introduction of geosynthetic ballast systems (Wind Defender TG) beginning with the May 2021 construction phase and evolution of manufacturer suppliers, with firms such as GSE, CETCO, Layfield, and Solmax appearing in later phases. The document serves as a definitive record of as-built liner system specifications for future maintenance, repair, and environmental compliance documentation.
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Text version
Abbreviations:
GM Geomembrane LDS Leak Detection System GT Geotextile HDPE High Density Polyethylene
GCL Geosynthetic Clay Liner SST Single-Sided Texturing DST Double-Sided Texturing
General Contractor: VeerKamp Construction Date: Nov. 1993 Liner Installer: Serrot Area: 15.5 acres
CQA Firm:
Floor Slope Material Notes
2 ft Operations Layer 2 ft Operations Layer Slope: 5 ft vertical maximum 8 oz/sy Nonwoven GT Filter -- (Not Identified) 1 ft Drainage Layer -- Pea Gravel Pea Gravel 60 mil SST HDPE GM 60 mil SST HDPE GM Gundle Gundline HDT Textured side down 2 ft Low-Permeability Soil 2 ft Low-Permeability Soil Imported: Van Vleck Ranch K < 1x10-7 cm/s
General Contractor: Ford Construction Date: Nov. 1994 Liner Installer: Geo Pacific Area: 18.1 acres
CQA Firm:
Floor Slope Material Notes
2 ft Soil Operations Layer 2 ft Sand Operations Layer Slope: 1x10-3 cm/s 8 oz/sy Nonwoven GT Filter -- Trevira 1 ft LCRS Drainage Layer -- 60 mil SST HDPE GM 60 mil SST HDPE GM Gundle Gundline HDT Texture side down 1 ft Low-Permeability Soil -- Imported: Van Vleck Ranch K < 1x10-7 cm/s GCL GCL Claymax 50 CSP K < 2x10-9 cm/s
General Contractor: Ford Construction Date: Aug.1995 Liner Installer: Serrot Area: 16.7 acres
CQA Firm:
Floor Slope Material Notes
2 ft Operations Soil 2 ft Operations Sand 7 oz/sy Nonwoven GT Filter -- Amoco Fabrics Style 4553 1 ft LCRS Drainage Layer -- 60 mil SST HDPE GM 60 mil SST HDPE GM Serrot HST S/S Text 60 mil Texture side down GCL GCL CETCO - Bentomat ST
General Contractor: Ford Construction Date: Oct. 1997 Liner Installer: GSI United Linings Area: 6.5 acres
CQA Firm:
Floor Slope Material Notes
2 ft Operations Layer 2 ft Operations Layer 8 oz/sy Nonwoven GT Filter -- Amoco Fabrics Style 4508 1 ft LCRS Drainage Layer -- 60 mil SST HDPE GM 60 mil SST HDPE GM Columbia Geosystems Textured side down GCL GCL Bentofix NW
TABLE 1
LINER SYSTEM COMPONENTS
KIEFER LANDFILL
COUNTY OF SACRAMENTO, DEPT. OF WASTE MANAGEMENT & RECYCLING
Module M1L, Phase 1
Module M1L, Phase 2
Module M1L, Phase 3
Module M1L, Phase 4A
County of Sacramento, DWMR P:\Shared Folders\Engineering\Secured Divisional Folders\KIEFER LANDFILL\As-Builts\Baseliner\KLF Base Liner Summary.xlsx, 9/27/2024 Page 1 of 3
TABLE 1
LINER SYSTEM COMPONENTS
KIEFER LANDFILL
COUNTY OF SACRAMENTO, DEPT. OF WASTE MANAGEMENT & RECYCLING
General Contractor: Yubacon Construction Date: Nov. 1998 Liner Installer: National Seal Area: 8.9 acres
CQA Firm:
Floor Slope Material Notes
2 ft Operations Layer 2 ft Operations Layer 8 oz/sy Nonwoven GT Filter -- Mirafi S800 1 ft LCRS Drainage Layer -- 60 mil SST HDPE GM 60 mil SST HDPE GM NSC/Columbia Geosystems Textured side down GCL GCL CETCO - Bentomat DN
General Contractor: Ford Construction Date: Feb. 2004 Liner Installer: C.W. Neal Corp Area: 18 acres
CQA Firm: EMCON Floor Slope Material Notes
2 ft Soil Operations Layer 2 ft Sand Operations Layer Slope: K > 1x10-3 cm/s 8 oz/sy Nonwoven GT Filter -- SI Geosolutions - Geotex 861 1 ft LCRS Drainage Layer -- 8 oz/sy Nonwoven GT Cushion -- SI Geosolutions - Geotex 861 Primary 60 mil DST HDPE GM Primary 60 mil SST HDPE GM GSE - HD Textured Primary GCL Primary GCL CETCO - Bentomat DN K < 5x10-9 cm/s LDS Geocomposite -- CETCO - TexDrain TD 200 DS6 Secondary 60 mil DST HDPE GM -- GSE - HD Textured Secondary GCL -- CETCO - Bentomat DN K < 5x10-9 cm/s
General Contractor: Ford Construction Date: Oct. 2005 Liner Installer: D&E Construction Inc Area: 13.5 acres
CQA Firm: EMCON Floor Slope Material Notes
2 ft Soil Operations Layer 2 ft Sand Operations Layer Slope: K > 1x10-3 cm/s 8 oz/sy Nonwoven GT Filter -- GSE - NW8 1 ft LCRS Drainage Layer -- 8 oz/sy Nonwoven GT Cushion -- GSE - NW8 Primary 60 mil DST HDPE GM Primary 60 mil SST HDPE GM GSE - HD Black/White Textured Primary GCL Primary GCL CETCO - Bentomat DN K < 5x10-9 cm/s LDS Geocomposite -- GSE - 6 oz DS 200 mil FabriNet Secondary 60 mil DST HDPE GM -- GSE - HD Black/White Textured Secondary GCL -- CETCO - Bentomat DN K < 5x10-9 cm/s
General Contractor: DeSilva Gates Construction Construction Date: Jan. 2009 Liner Installer: D&E Construction Inc Area: 39 acres
CQA Firm: Shaw Environmental Inc Floor Slope Material Notes
2 ft Soil Operations Layer 2 ft Sand Operations Layer 8 oz/sy Nonwoven GT Filter -- GSE - NW8 1 ft LCRS Drainage Layer -- 8 oz/sy Nonwoven GT Cushion -- GSE - NW8 Primary 60 mil DST HDPE GM Primary 60 mil SST HDPE GM GSE - White Textured Primary GCL Primary GCL GSE - Bentofix NWL-35 LDS Geocomposite -- GSE - 6 oz DS 200 mil FabriNet Secondary 60 mil DST HDPE GM -- GSE - White Textured Secondary GCL -- GSE - Bentofix NWL-35
Module M3, Phases 1-2
Module M1L, Phase 4B
Module M2, Phase 1
Module M2, Phase 2
P:\Shared Folders\Engineering\Secured Divisional Folders\KIEFER LANDFILL\As-Builts\Baseliner\KLF Base Liner Summary.xlsx, 9/27/2024 Page 2 of 3
TABLE 1
LINER SYSTEM COMPONENTS
KIEFER LANDFILL
COUNTY OF SACRAMENTO, DEPT. OF WASTE MANAGEMENT & RECYCLING
General Contractor: Wood Brothers Inc Construction Date: Aug. 2012 Liner Installer: D&E Construction Inc Area: 12 acres
CQA Firm: Golder Associates Inc Floor Slope Material Notes
2 ft Soil Operations Layer 2 ft Sand Operations Layer Slope: K > 1x10-3 cm/s 8 oz/sy Nonwoven GT Filter -- GSE - NW8 1 ft LCRS Drainage Layer -- 8 oz/sy Nonwoven GT Cushion -- GSE - NW8 Primary 60 mil DST HDPE GM Primary 60 mil SST HDPE GM GSE - White Textured Primary GCL Primary GCL CETCO - Bentomat DN K < 5x10-9 cm/s LDS Geocomposite -- GSE - FabriNet UF Secondary 60 mil DST HDPE GM -- GSE - White Textured Secondary GCL -- CETCO - Bentomat DN K < 5x10-9 cm/s
General Contractor: ICS, Inc Construction Date: May 2021 Liner Installer: Layfield Geosynthetics Area: 32 acres
CQA Firm: Geo-Logic Associates Floor Slope Material Notes
2 ft Soil Operations Layer 2 ft Sand Operations Layer 8 oz/sy Nonwoven GT Filter -- Tencate - Mirafi S800 1 ft LCRS Drainage Layer --
-- Geosynthetic Ballast System Wind Defender TG 12 oz/sy Nonwoven GT Cushion -- Skaps - GT112 aka: Layfield - LP12E Primary 60 mil DST HDPE GM Primary 60 mil SST HDPE GM Layfield - 60 mil HDPE GM Primary GCL Primary GCL CETCO - Bentomat DN-HS LDS Geocomposite -- Skaps - TN 250-2-6 Secondary 60 mil DST HDPE GM -- Layfield - 60 mil HDPE GM Secondary GCL -- CETCO - Bentomat DN-HS
General Contractor: Ford Construction Co, Inc. Construction Date: Feb-24 Liner Installer: D&E Construction Area: 27 acres
CQA Firm: Geo-Logic Associates Floor Slope Material Notes
2 ft Soil Operations Layer 2 ft Sand Operations Layer 8 oz/sy Nonwoven GT Filter -- Solmax Mirafi S800 8 oz/sy 1 ft LCRS Drainage Layer --
-- Geosynthetic Ballast System Wind Defender TG 12 oz/sy Nonwoven GT Cushion -- Solmax Mirafi S1200 12 oz/sy Primary 60 mil DST HDPE GM Primary 60 mil SST HDPE GM Agru America Microspike Primary GCL Primary GCL Solmax Bentoliner NW 0.75 lb/sf LDS Geocomposite -- Solmax Double-Sided FabriNet 225 mil, 6 oz/sy GT Secondary 60 mil DST HDPE GM -- Agru America Microspike Secondary GCL -- Solmax Bentoliner NW
Module M4, Phase 2
Module M3, Phase 3
Module M4, Phase 1
P:\Shared Folders\Engineering\Secured Divisional Folders\KIEFER LANDFILL\As-Builts\Baseliner\KLF Base Liner Summary.xlsx, 9/27/2024 Page 3 of 3
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