Tender to Change the Silhouette of et Bosphorus ”5 in September

Bosphorus and Fatih Sultan Mehmet bridges for the major restoration and structural reinforcement of the tender was.
Bosphorus and Fatih Sultan Mehmet bridges, which will be verticalized, will be constructed in October.
According to the information received from the AA correspondent, the Bosphorus and Fatih Sultan Mehmet bridges for the major restoration and structural reinforcement of the tender was exited.
The tender will be open to all domestic and foreign tenderers. Those who will bid for the tender will buy the tender document from the General Directorate of Highways for 1.200 lira. Bids can be delivered by hand to the General Directorate of Highways until the date and time of the tender and can be sent to the same address by registered mail. Tenderers will give their bids on the turnkey lump sum. As a result of the tender, the tenderer will be signed a contract on the lump sum of the turnkey. In this tender, a tender will be submitted for the whole work. Bidders shall submit a bid bond in the amount determined by them not to be less than the 3 of the price offered. The validity period of the bids shall be 180 days from the date of the tender. The tender will not be offered as a consortium.
The design, engineering and consultancy services of the American Parsons company, within the scope of the work on the repair, repair and structural reinforcement project of the Bosphorus and Fatih Sultan Mehmet Bridges, were completed in April. 26 will be awarded in September for maintenance, repair, structural reinforcement and suspension rope change works of bridges.
236 rope
The entrance of the Bosphorus Bridge into the 40. heavy duty maintenance work will be started after the tender. Large maintenance, repair, structural reinforcement and suspension rope exchange works on the bridge will be completed at 2014. Under the scope of the mentioned works, the 236 rope will be replaced. The renewed ropes will be able to carry more load and have a longer service life.
- State-of-the-art system
The most advanced technology products used in the world will be used in the maintenance work of the Bosphorus Bridge, which was commissioned in 1973. 40. After years of maintenance work, the bridge is expected to serve at least 40 years. The main ropes and anchoring blocks in the Bosphorus and Fatih Sultan Mehmet bridges will be installed in Japan, the latest dehumidification system used in Japan. The system will prevent dry ropes from decaying.
Bosphorus Bridge will not be closed during the daytime hours except during the maintenance and repair works. The traffic will not be completely closed during the replacement of the suspension ropes. During the connections of the cables to the deck, during the night when the traffic is minimized, these lines will be closed by closing one strip at the edge. The edge strips on the ropes side of the bridge will be closed to traffic between the 22.00 and 06.00 hours in terms of life and property security. 10 solid special pre-tensioning steel will be used for the steel used in construction.
Within the scope of the works to be done, the electrical parts on the Bosphorus Bridge will be replaced. The slanting ropes of the bridge will be made vertically. Insulators will be placed between the towers and towers, and energy damping dampers will be placed on the bridge legs in order to prevent the bridge from being shaken or damaged during the earthquake. 40 tower elevators and electrification systems will be renewed for years. The first design of the Bosphorus Bridge in order to reduce the effects of the bridge because of the swing of the crossed ropes, will be made 40. to be verticalized in year care.
Asphalt coming from America
In the latest 1991, the asphalt renovation on the modified bridge will also be done. The rock asphalt will be used in the asphalt of the bridge with low penetration. The asphalt comes from Trinidad Tabogo, a small state in America. It's marketed to the whole world from here. The petroleum product is not an asphalt. Lake asphalt, ie an asphalt found in the lake. This asphalt and the asphalt used in normal roads will be mixed with hard, high strength and 4 centimeters. This asphalt type, which is used on steel plate bridges with its own manufacturing and paving method, will be applied on the surface of approximately 26 thousand square meters. Before this asphalt is applied, existing asphalt and insulation system will be removed, the steel plate will be checked for rust and the insulation system will be renewed. The 2,5 month will start in June, following the closure of schools, and the schools are scheduled to be completed before the opening. Asphalt change is expected to serve as two arrivals on the road for at least two departures.
5 After the completion of the big repair and structural reinforcement project of the Bosphorus and Fatih Sultan Mehmet bridges to be built in September, 2014 will be used for maintenance works until the summer. Works planned to last approximately 18 months, will start with the delivery of place within 15 days from the date of signing the contract.




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