Waste disposal sites - LEONHARD WEISS Construction Company

Dump site Einöd, backfilling phase II, 4th construction phase, base sealing

Customer: Landeshauptstadt Stuttgart, AWS Abfallwirtschaft Stuttgart
Construction period: 8 months Year of construction: 2022–2023

: Expansion of the existing base sealing on a total surface of approx. 11,000 m²
: Delivery and installation of approx. 14,000 m³ mineral sealing material according to the national quality standard and dump site requirements
: Delivery and installation of approx. 7,000 m² plastic sealing sheeting incl. connections to the already existing base sealing
: Delivery and installation of approx. 7,000 m² sand blanket on the newly installed plastic sealing sheeting incl. connections to the already existing base sealing
: Delivery and installation of approx. 17,000 m² woven filter medium and separation textile on mineral sealing and drainage layer
: Delivery and installation of approx. 3,500 m³ drainage layer
: Installation of approx. 12,000 m³ stabilisation of embankment with material already available at the site of the customer
: Delivery and installation of approx. 130 m deep drain (diameter 315 and diameter 400)

Surface sealing of the former garbage dump “Am Blinkbach“

Customer: City of Rothenburg ob der Tauber
Construction period: 6 months Year of construction: 2022

: Surface sealing of a former garbage dump on a surface of about 18,500 m²
: Delivery, installation, and processing of about 5,000 m³ sealing material according to the requirements for dumps
: Installation of about 18,500 m² of a geosynthetic drainage mat
: Installation of about 35,000 m³ recultivation material on the drainage mat
: Subsequent installation of topsoil on 18,500 m²
: New construction of 250 seepage water drainpipe

Customer: Gesellschaft im Ostalbkreis für Abfallwirtschaft
Construction period: 7 months Year of construction: 2022

: about 1,000 m³ mineral drainage layer
: about 130 m seepage water drainpipe (opening of the undamaged/active dump drainage)
: about 3,000 m² protective mat and sealing sheeting
: about 5,000 m² soaking and softened mineral sealing layer
: Installation of a 40 cm thick seepage layer (about 2,200 t) and seepage water drainpipe under the basic sealing
: Execution of an 80 m wash-boring under the basic sealing and the landfill body
: Installation of a new geologic barrier
: Installation of a new and processed mineral sealing layer (2,250 m³)
: Installation of a new plastic sealing sheeting and protective mat on about 3,000 m²
: Installation of the old and processed drainage layer on the protective mat
: Installation of about 130 m new seepage water drainpipe on new pipe bedding (dump mixture M9)

Customer: Landratsamt Heilbronn Abfallwirtschaftsbetrieb
Construction period: 7 months Year of construction: 2020

: 3,600 m² profiling
: 2,700 m³ delivery and installation of mineral sealing
: 3,200 m² geotextile protective membrane, as well as separation and filter membrane with BAM-approval
: 100 m² base sealing (Münchner Mischung M9)
: 350 m PEHD pipeline construction DA315

Expansion of the existing bottom sealing in the area of the embankment

Customer: Regional Capital Stuttgart
Construction period: 6 months Year of construction: 2017

: 6,000 m² fine formation for plastic sealing sheet
: 3,500 m³ mineral drainage layer
: 6,000 m² geo-textile protective membrane, as well as separation membrane and woven filter medium
: 6,000 m² plastic sealing sheet PE-HD (2.5 mm) with BAM certification
: 6,000 m² sand screen mat (mineral dump sealing sheet)
: 3,500 m³ support shell (soil material) (1.5 – 3.0 m)
: 160 m PEHD pipe line construction

Asphalt installation during night shifts for compliance with the required short construction period

Customer: The city of Heilbronn, Disposal operations
Construction period: 3 months Year of construction: 2015

: 23,000 m3 of earth-moving
: 16,500 m2 installation of 14 cm asphalt base and 4 cm asphalt surface
: 16,500 m2 60 cm thick gravel base layer installation
: Construction of a retention basin with a surface of 1,350 m2, including asphalt waterproofing
: Placement of a waste collecting cell with flow-dividing structure and reservoirs
: Construction of protective degassing with horizontal gas drainage and gas pipe stub-outs under the asphalt surface
: Construction of utility lines (electricity, water, conduits)

Permanent surface sealing

Customer: Schwäbisch Hall District Office
Construction period: 26 months Year of construction: 2015–2017

: Executed as a joint venture
: Section-by-section demolition of temporary waterproofing
: Re-profiling of the landfill area
: Application of a new permanent impermeable plastic liner
: Laying of bentonite mats and protective membranes
: Construction of a 30 cm thick drainage layer to drain the surface water
: Installation of a 2 m thick layer of reclamation soil for planting and / or for technical installations such as photo-voltaic panels (total amount of reclamation soil approximately 200,000 t)
: Installation of approximately 100,000 t substitute landfill construction materials
: Implementation of additional measures for drainage and gas release of the landfill

Closure of the 1st landfill cell

Customer: AVR Abfallverwertungsgesellschaft des Rhein-Neckar-Kreises mbH
Construction period: 6 months Year of construction: 2009

: Expansion of the existing sorting system with a container storage space and a bale loader for recyclables. Construction of surface sealing as a TASI control system over landfill cell I for landfill class II.
: Road widening with landfill asphalt
: Work on the existing gas system
: In-situ concrete floor plate: 2,600 m2
: Asphalt base course and asphalt concrete (acid-resistant): 1,400 m2
: Earthwork: 15,000 m3
: Profiling materials: 30,000 m3
: Mineral seal: 15,000 m3
: Impermeable plastic liner and protective membrane: 30,000 m2
: Gravel: 17,000 t
: Woven filter: 30,000 m2
: Reclamation soil: 30,000 m3
: Landfill asphalt: 1,500 m2