Dubai Municipality has extended the tender closing date to 31 July for the contract to build the estimated AED850m ($232m) Sheikh Mohammed bin Rashid Library.
The previous closing date was 17 July.
It is understood local and international firms are preparing prices for the contract.
The consultancies working on the project are the local Architectural Consulting Group (ACG) and the UAE office of the US Miro. The project owner is Dubai Municipality.
The 92,903-square-metre scheme, which is set to be the biggest public library in the Middle East, will also include a 500-seat theatre.
It will house more than 4.5 million books and include several areas for interaction, events, activities, and educational and cultural festivals.
Dubai Municipality has also appointed consultants for its AED1.8bn ($490m) Dubai Conference Centre (Arena) project in the Al-Jaddaf area of Dubai.
The local OBE is the architectural design consultant. The local office of KEO International Consultants is the infrastructure and structural design consultant, and Jordans NEA is the cost consultant.
The arena will overlook Dubai Creek and is part of the municipalitys plans for Expo 2020.