SUBSTRUCTERE PROJECTS

NATURAL GAS CITY FEEDER LINES

Technique: Natural gas lines are of 20 bars of steel tube main line, 4 bars of separation line. In steel tube lines projecting, security factor is taken as 2.5. Before activating the manufactured pipelines, they are tested with 1.5 fold of their working pressure. High strength API SPEC 5L Grade B is used as steel tube material.

Project: İGDAŞ Inc. Doğalgaz City Feeder Substructure Constructing (Ümraniye, Üsküdar, Yenibosna, Çobançeşme, K.Çekmece, Halkalı City Feeder Substructure Constructing.)

 

ROAD CONSTRUCTION

Technique: Raising the level of quality in roads and increasing the driving comfort substantially by using new electronical sensing finishers (paver finisher) are aimed. Before asphalt paving, the previous asphalt is deasphalted and infrastructure development works are done. During this work, road gullies are reorganized and the road is codified curvedly on the computers by survey engineers. Asphalt spreading is completed.

Project: İstanbul Metropolitan Municipality İSFALT Inc. Road Asphalt Covering Work.