Highway construction – N1/N7 in Switzerland

PROJECT DESCRIPTION

The tender package contracted to LEONHARD
WEISS BAU AG will be provided by several construction
divisions, thus giving it the status of a 'yellow
construction site'.
LEONHARD WEISS will only be assisted by experienced
and capable sub-contractors in connection
with barriers, fencing work, markings and coating
work.

FACTS AND FIGURES

: Customer: ASTRA-Bundesamt für Straßen, Filiale Winterthur
: Main Construction period: March 2009 - November 2011
: Operational release for traffic:November 2011
: Maintenance of the N1/N7, 16 km N1 and 4 km N7

MAIN WORK FOR MAINTENANCE OF THE N1/N7, 16 KM N1 AND 4 KM N7.

: Structural restoration of 34 highway structures
: Expansion of a motorway bridge
: Renewal of surfaces and bearing layers down to the subgrade, approximately 580,000 tonnes of removal and installation
: Construction of a cable conduit approx. 290 km in length
: Renewal and repair of drainage pipes 57 km; 470 new shafts and adaptation of 245 shafts
: Renewal of barriers, markings and fencing

IMPRESSIONS

Projekt N1 / N7

Projekt N1 / N7

Rendered services

ROAD CONSTRUCTION

SERVICES

Renewal of surfaces and bearing layers down to the subgrade, approximately 580,000 tonnes of removal and installation.

: Break-up of surfaces 340,000 tonnes
: Removal of top soil and subsoil 25,000 cbm
: Excavation / of gravel base course 160,000 cbm/108,000 cbm
: Supply / move concrete kerb stones 30,000 m
: Supply / install cold mix foundation 320,000 tonnes
: Supply / install asphalt surface 260,000 tonnes
: Supply / move fencing 33,000 m
: Construction of barriers 25,000 m
: Textured cold plastic marking 105,000 m
: Marking film 13,000 m

ASSIGNED STAFF

: An average of 10 crews (60 workers)

IMPRESSIONS

Projekt N1 / N7

Projekt N1 / N7

ENGINEERING CONSTRUCTION

SERVICES

Structural restoration of 34 highway structures and expansion of a motorway bridge.

: Concrete construction 900 cbm
: Site - concrete repair 11,000 qm
: Concrete 1,550 cbm
: Surface protection 5,000 qm
: Epoxy resin sealing 10,500 qm
: PBD sealing 13,000 qm
: Melted asphalt 3,200 tonnes

ASSIGNED STAFF

: An average of 20 workers

IMPRESSIONS

Projekt N1 / N7

Projekt N1 / N7

GENERAL CONTRACTOR NETWORK CONSTRUCTION

SERVICES

Renewal and repair of drainage pipes 57 km.

: New drainage 30,000 m
: Repair of drainage 27,000 m
: New shafts 470 no.
: Shaft repair 85 no.
: Replacement track system over shaft including cover 160 no.
: Supply / relocate cable protection conduits 290,000 m

ASSIGNED STAFF

: An average of 7 crews (30 workers)

IMPRESSIONS

Projekt N1 / N7

Projekt N1 / N7

Headquarters

LEONHARD WEISS GmbH & Co. KG
Leonhard-Weiss-Str. 22
73037 Göppingen
P +49 7161 602-0
F +49 7161 602-1224

LEONHARD WEISS GmbH & Co. KG
Leonhard-Weiss-Str. 2-3
74589 Satteldorf
P +49 7951 33-0
F +49 7951 33-2340
bau-de@leonhard-weiss.com

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