Astana Grand Mosque

The 68,000 SM Astana Grand Mosque is the largest mosque in Central Asia and one of the largest mosques in the world. Designed by Dewan Architects & Engineers, the Grand Mosque is located on approximately 10 hectares in a 270-hectare city park. It features a 63-meter-diameter, 83-meter-tall central dome, as well as 72 additional domes and four 130-meter-tall minarets at the corners of a 6,300 SM courtyard. The 18,000 SM main prayer hall features a 16,500 SM hand-crafted carpet, five crystal chandeliers, and a mosaic qibla wall decorated with calligraphy. The largest chandelier hanging from the main dome inside the prayer hall is 27 meters in diameter, weighs 27 tons, and comprises nearly 1.5 million individual crystal pieces. Inside the main dome is a nearly 200-meter-long handcrafted calligraphic scroll.

In addition to accommodating up to 30,000 worshipers at a time in the prayer hall, the Grand Mosque features an observation terrace on the one of the minarets, conference and banquet halls, classrooms, offices, a library, a television studio, a morgue area, landscaped grounds, and parking.

Hill’s support for the design-build project included construction management, site supervision, risk management, health and safety oversight, and quality assurance and quality control. Hill helped the project team overcome many challenges, including Astana’s extreme weather conditions—temperatures in the city remain below freezing for approximately half of the year. Construction of the domes also presented technical challenges, with the main dome requiring more than 8,200 tons of steel and approximately 350,000 cubic meters of scaffolding for finishing works. To promote project success in accordance with the client’s objectives, Hill proactively managed costs and the project schedule, identified and mitigated risks early, tracked material deliveries and construction activities, and coordinated with the project team throughout the project.

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