Our projects
Bored Piling, Jet Grouting, Ground Anchor and Shoring Projects
Projects completed by Fen Zemin & İnşaat, founded in 2023, in Istanbul and Tashkent, together with the projects our founder Abdullah Çetintaş worked on in his earlier roles. Quantities are taken from our site records.
2023–2026
Projects by Fen Zemin & İnşaat
Each project page covers the quantities, the site challenges, the solutions we used and photos from site.
Foundation below sea level: Eren Holding office building
Secant bored pile shoring and jet grouting with a groundwater cut-off below the foundation, for the main contractor Sam İnşaat.
- 100 secant bored piles, Ø65 cm, 1,200 m
- 800 tangent jet grout columns, Ø80–100 cm, 8,000 m
Aydın University annex building: anchored shoring
A bored pile wall supported by multiple rows of long ground anchors in clay.
- 200 bored piles, Ø80 cm, 6,000 m
- 800 prestressed ground anchors, 30,000 m
Ground anchors for residential and commercial projects
Ground anchors for the bored pile walls of the Metropol, Pushkin, Befit and Seul projects.
- About 10,000 m of ground anchors
- For local contractors
18-unit urban regeneration housing
We completed this urban regeneration project, which we took on under a land-share arrangement.
- Land-share urban regeneration
- 18 apartments, completed
2012–2022
Projects from Our Founder’s Earlier Roles
Before founding Fen Zemin & İnşaat, our founder Abdullah Çetintaş worked on the projects below in his earlier roles, mainly at a geotechnical engineering company where he was general manager from 2014 to 2022. These are not Fen Zemin & İnşaat projects; we list them separately to show the experience behind our team. Clients and contractors are given in brackets.
2021–2022
AES Yatçılık berthing jetty and shipyard
Kocaeli Free Zone, Türkiye
Site investigation, ground improvement, design, bored piling, jet grouting, quay and steel structure foundations
2022
Bomi Finance Center (BFC), Tashkent City
Tashkent, Uzbekistan
2021
Aksa Enerji 240 MW combined cycle gas power plant
Uzbekistan
CFA piles (Murel Yatırım İnşaat A.Ş.)
2020
Qusbegi bridge project
Tashkent, Uzbekistan
Bored piles (Grand Road)
2020
Olmazor Business City residential project
Tashkent, Uzbekistan
Bored piles and deep soil mixing (OZUN Tashkent Construction)
2020
Trilliant Hotel
Uzbekistan
Bored piles, ground anchors, jet grouting, shoring and ground improvement (Çalık Enerji)
2019
Lotus Tashkent City Lot 2 international business centre
Tashkent, Uzbekistan
Jet grout ground improvement, 60,000 m
2017–2018
Northern Marmara Motorway
Türkiye
Ground improvement: bored piles and deep soil mixing (Kolin İnşaat)
2016–2017
Amasya Ring Road (General Directorate of Highways)
Amasya, Türkiye
300,000 m of jet grouting and bored piles (STY–Kiska-Kom Joint Venture)
2016–2017
Gelibolu Ring Road
Gelibolu, Çanakkale, Türkiye
Bored piles
2016–2017
Navoi 450 MW thermal power plant
Navoi, Uzbekistan
Double-fluid (Jet 2) jet grouting, 50,000 m
Çalık Enerji
Turakurgan project
Uzbekistan
Ground improvement and jet grouting
2016
TCDD Adana–Mersin 3rd and 4th line addition
Adana–Mersin, Türkiye
Bored piles, ground anchors and jet grouting at 30 locations (Dalgıçlar–Nuhoğlu–Ulaşım Joint Venture)
2016
Yenikapı Events Area
Istanbul, Türkiye
30,000 m of bored piles; completed ahead of schedule
2015
Şişecam soda ash plant
Türkiye
20,000 m of bored piles and jet grouting, foundation concrete (Sam İnşaat)
2014
Alanya Gazipaşa runway extension
Gazipaşa, Antalya, Türkiye
Bored pile shoring (İlke Yapı – TAV İnşaat)
2014
Ramada Hotel
Trabzon, Türkiye
Bored piles socketed into basalt in previously blasted ground
2013–2014
Ashgabat Airport
Ashgabat, Turkmenistan
300,000 m of jet grouting (Polimeks Turkmenistan)
2012
POSCO Assan TST stainless steel plant
İzmit, Kocaeli, Türkiye
30,000 m of ground improvement (Rönesans)
Let’s Talk About Your Project
Send us your site investigation report, borehole logs and drawings, and we will prepare a quote based on measured quantities, drawing on our experience of similar work.