Gogolin

Task name: Improvement of accessibility to the junctions at the A4 motorway between Gogolin and Olszowa. Stage II.

Task 5. Construction of a ring road in Malnia and Chorula in the line of the voivodeship road no. 423 at the section of km20+846.46 to 27+010.10

Investor: Voivodeship Road Management Board in Opole

General Contractor: DROG-BUD Sp. z o.o. Częstochowa

Qualified Subcontractor:  Nowak-Mosty sp. z o.o., Dąbrowa Górnicza

Scope regarding bridge industry:

– construction of the road flyover in the line of DW 423 over Malińska street (DW 424)

– construction of a retaining structure made of reinforced soil type Freyssisoil

Structure’s technical parameters:

1. Monolithic flyover with framework structure, open at the bottom, along with a retaining wall made of reinforced soil at the North-East side, in place of a monolithic wing oriented in parallel to the axis of the designed road, to reduce land occupancy in the area of existing buildings.

• Theoretical span length between support axes: 19.3 m
• Total width of crosswise cross-section: 16.5 m
• horizontal clearance gauge: 18.0 m
• vertical clearance gauge: 4.6 m
• height of load-bearing structure: 0.96 m to 1.10 m
• crossing angle with the obstacle: ca. 83.0°
• load class: A, vehicle class STANAG 150

A retaining wall made of reinforced soil type Freyssisoil

• Length – 190.0 m
• Height: ca. 7.50 m to 3.00 m

Obstacle(s): Malińska street (DW 424)

2. A retaining wall made of reinforced soil

A retaining structure type Freyssisoil with the following parameters:

• Retaining structure’s height: ca. 6.35 m
• Retaining structure’s length: 30.00 m
• load class: A

Obstacle(s): This retaining structure allows to route the designed municipal road along the existing escarpment by a deep gorge with a railway siding.

Delivery time: start date: 09/02/2018; end date: 31/12/2018