Kocaeli-Gebze IV. Istanbul Machinery and Manufacturing Industrial Zone – Phase 1 Road and Infrastructure Construction

Construction of 15.30 km of roads, including: 277,145 tons of plant-mixed sub-base and base layers 235,690 m² of bituminous base and binder asphalt layers Excavation and filling works: 7,251,800 m³ of excavation, 1,928,000 m³ of backfilling, Additionally, construction works included:,Land grading for plots within the road network,Drinking water, potable water, and irrigation network installation. Fire water, stormwater, and wastewater network construction,Installation of 28,840 meters of corrugated and FSK pipes ranging from Ø200 mm to Ø2400 mm, Installation of 24,375 meters of PN10 PE100 pipes ranging from Ø75 mm to Ø630 mm, Installation of 15,630 meters of PN12.5 PE100 pipes ranging from Ø200 mm to Ø400 mm,Installation of 2,885 meters of PN16 PE100 pipes with Ø500 mm diameter.Construction of valve and meter chambers.Electrical and telecommunication infrastructure installation , 207,645 meters of Ø100 mm PE pipe, 14,855 meters of Ø50 mm PE pipe.Natural gas infrastructure Works.Installation of 5,760 meters of 6''-12'' steel pipes, Installation of 10,442 meters of natural gas PE pipes