Table_1_Base_Liner_System_Components.pdf
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- Attached to
- On-Call Landfill Liner System Repair Services
- Solicitation number
- 2025-PURB RFP-0092
- Issued by
- Sacramento County, California
About this file
This is a technical specification document for the County of Sacramento, Department of Waste Management & Recycling, detailing the base liner system components installed across multiple modules and phases at the Kiefer Landfill Facility. The document provides comprehensive specifications for nine construction projects completed between November 1993 and February 2024, covering approximately 153 acres of landfill development. Each module details the liner system composition, including operations layers, filtration geotextiles, drainage layers, primary and secondary geomembranes, geosynthetic clay liners, and leak detection systems. Standard components across most phases include 2-foot soil/sand operations layers, 8-ounce nonwoven geotextile filters, 1-foot drainage layers with pea gravel or low-conductivity drainage systems, 60-millimeter HDPE geomembranes with single or double-sided texturing, and geosynthetic clay liners with permeability specifications ranging from K < 1x10⁻⁷ to K < 5x10⁻⁹ cm/s. General contractors involved include Ford Construction, DeSilva Gates Construction, and ICS, Inc., with liner installers such as Serrot, D&E Construction Inc., and Layfield Geosynthetics providing installation services.
The specifications indicate an evolution in liner system design sophistication from the earliest 1993 phase to the most recent 2024 construction. Early modules utilized single-layer systems with basic geotextile filters and single-sided HDPE geomembranes, while later phases (2004 onward) incorporated advanced dual-layer systems with leak detection systems using geocomposites such as CETCO TexDrain and GSE FabriNet products. Recent projects employ enhanced geotextile ballast systems including Wind Defender wind protection and upgraded geomembrane products from manufacturers such as Agru America featuring microspike technology and Solmax Bentoliner materials. Quality assurance firms including EMCON, Shaw Environmental, Golder Associates, and Geo-Logic Associates provided oversight throughout construction phases. CQA firms and specific material specifications ensure environmental compliance and long-term liner system integrity for the landfill's waste containment objectives.
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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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