LOT 4, Rehabilitation of a Road Section from Road I-6 Sofia - Pirdop (length 55.4 km)

Project implementation period: October 2009 - September 2012
Employer: Road Infrastructure Agency

PATSTROY-92 AD is lead partner in PAM 2009 Consortium DZZD, which is the contractor of the project Rehabilitation of Road I-6 Sofia – Pirdop from km 133+895 to km 189+291.98 ≡ 189+600.

The project includes rehabilitation of a 55.4-km section of the first-class Road I-6 Sofia – Pirdop. The road runs along a hilly and mountainous terrain passing through several towns and villages. The purpose of rehabilitation works is to restore and improve transport efficiency and operational characteristics of the road, while striving to preserve the existing road pavement and prescribed traffic speed – 50, 60 and 80 km/hour.

The project is executed under conditions of uninterrupted heavy traffic flow.

The project is implemented under the Government Investment Loans Programme, funded by a loan from the International Bank for Reconstruction and Development and co-financed by the state budget.

The following construction and rehabilitation works are executed by PATSTROY-92:

• • rail underpass at km 135 782 with span L = 11 m
• • bridge at km 136 150 with span L = 30 m
• • bridge at km 141 939 with span L = 43 m
• • underpass beneath “Gorna Malina” road junction at km 148 590 with span L = 11 m
• • bridge over the Makotska River at km 148 694 with span L = 18 m
• • bridge over the Makotska River at km 150 911 with span L = 18 m
• • rail underpass at km 151 596 with span L = 78 m
• • bridge at km 153 067 with span L = 6 m, and others.