Construction work, pouring concrete and laying foundations, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations
Construction works, concrete pouring and foundation laying, construction site crowded with heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and forming of metal structure
Multi-storey building under construction in Saudi Arabia, construction site crowded with heavy machinery and equipment, excavators, cranes and high scaffolding, structural and architectural engineering concept, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
A construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the United Arab Emirates
A construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
A construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Structural and architectural engineering concept, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure
A construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Construction work, pouring concrete and laying foundations, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of the construction plan and forming the metal structure, tower under construction using modern machinery, building under construction in the Kingdom of Saudi Arabia
Yellow crane lifting materials at construction site, use of modern machinery in Saudi Arabia, implementation of construction plan and forming metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, concept of construction and architectural engineering
Construction of foundations and structures for residential projects and factories, construction of buildings and mega projects, concept of improving the country's infrastructure, construction, contracting and real estate development works, architectural and urban development in the Kingdom of Saudi Arabia, cranes, scaffolding and machinery at the construction site
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure
Implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations
Heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
Construction site crowded with heavy machinery, equipment, cranes and high scaffolding, construction work, concrete pouring and foundation laying, building under construction in Saudi Arabia, structural and architectural engineering concept, construction plan implementation and metal structure formation
A construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the United Arab Emirates
Construction works, pouring concrete and laying primary foundations, implementing the reconstruction plan and forming the metal structure, heavy machinery and equipment, cranes and high scaffolding, a Saudi Arabian Gulf worker wearing a protective jacket and helmet is working in a building under construction in the Kingdom of Saudi Arabia
Increasing green spaces surrounding residential buildings, the concept of structural and architectural engineering, construction cranes, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, a modern building under construction, urban expansion in the Kingdom of Saudi Arabia
Construction work, pouring concrete and laying foundations, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Silhouette of a building under construction in Saudi Arabia, concept of structural and architectural engineering, group of workers implementing the construction plan and forming the metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, Saluit
Concept of structural and architectural engineering, construction cranes, concrete pouring and foundation laying, implementation of construction plan and metal structure formation, modern building under construction, urban expansion in the Kingdom of Saudi Arabia
Implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations
Architectural and urban development in the Kingdom of Saudi Arabia, establishing foundations and structures for residential projects and factories, building construction and mega projects, the concept of improving the country's infrastructure, construction, contracting and real estate development works, cranes, scaffolding and machinery at the construction site
Building under construction in Saudi Arabia, Heavy machinery and equipment, cranes and high scaffolding, Concept of structural and architectural engineering, Construction works, concrete pouring and foundation laying, Implementation of construction plan and formation of metal structure, Tower under construction using modern machinery
Implementation of the reconstruction plan and formation of the metal structure, civilization, development and urban progress in the Kingdom of Saudi Arabia, an aerial photo of a group of residential buildings under construction, improving and developing the infrastructure, the concept of structural and architectural engineering, construction cranes, pouring concrete and laying foundations
Construction work, pouring concrete and laying foundations, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
The concept of structural and architectural engineering, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure
Building under construction in Saudi Arabia during daytime, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, implementation of construction plan and forming of metal structure, construction works, pouring concrete and laying foundations, tower under construction using modern machinery
Structural and architectural engineering concept, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure
Group of workers carrying out construction plan and forming metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, silhouette of a building under construction in Saudi Arabia, concept of structural and architectural engineering, Salouet
Construction of foundations and structures for residential projects and factories, construction of buildings and mega projects, concept of improving the country's infrastructure, construction, contracting and real estate development works, architectural and urban development in the Kingdom of Saudi Arabia, cranes, scaffolding and machinery at the construction site
Construction work, pouring concrete and laying foundations, a building under construction in the Kingdom of Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure, a tower under construction using modern mechanisms
Concept of structural and architectural engineering, construction cranes, concrete pouring and foundation laying, implementation of construction plan and metal structure formation, modern building under construction, urban expansion in the Kingdom of Saudi Arabia
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure
Implementation of the reconstruction plan and forming the metal structure, construction crane and pouring concrete over a modern building under construction in blue, Saudi urban development and progress, improving and developing the infrastructure in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering
Concept of structural and architectural engineering, group of workers implementing construction plan and forming metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, silhouette of a building under construction in Saudi Arabia, Saluit
The concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of the construction plan and forming the metal structure, a tower under construction using modern machinery, a building under construction in the Kingdom of Saudi Arabia, heavy equipment, cranes and high scaffolding
Construction works, concrete pouring and foundation laying, implementation of reconstruction plan and metal structure formation, building under construction in Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, tower under construction using modern machinery
Building under construction in Saudi Arabia during daytime, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, implementation of construction plan and forming of metal structure, construction works, pouring concrete and laying foundations, tower under construction using modern machinery
Architectural and urban development in the Kingdom of Saudi Arabia, establishing foundations and structures for residential projects and factories, building construction and mega projects, the concept of improving the country's infrastructure, construction, contracting and real estate development works, cranes, scaffolding and machinery at the construction site
Construction site at sunset, use of modern machinery in Saudi Arabia, implementation of construction plan and formation of metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering
Construction of foundations and structures for residential projects and factories, construction of buildings and mega projects, concept of improving the country's infrastructure, construction, contracting and real estate development works, architectural and urban development in the Kingdom of Saudi Arabia, cranes, scaffolding and machinery at the construction site
Building under construction in Saudi Arabia, Heavy machinery and equipment, cranes and high scaffolding, Concept of structural and architectural engineering, Construction works, concrete pouring and foundation laying, Implementation of construction plan and formation of metal structure, Tower under construction using modern machinery
Construction of foundations and structures for residential projects and factories, construction of buildings and mega projects, concept of improving the country's infrastructure, construction, contracting and real estate development works, architectural and urban development in the Kingdom of Saudi Arabia, cranes, scaffolding and machinery at the construction site
Heavy machinery and equipment, cranes and high scaffolding, silhouette of a building under construction in Saudi Arabia, concept of structural and architectural engineering, worker implementing construction plan and forming metal structure, construction works, pouring concrete and laying foundations, Salouet
Building under construction in Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
Implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations
The concept of structural and architectural engineering, implementation of the construction plan and formation of the metal structure, urban development and progress, construction works, pouring concrete and laying foundations, heavy machinery and equipment, a building under construction in the Kingdom of Saudi Arabia
Construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation, concept of structural and architectural engineering, building under construction in the Kingdom of Saudi Arabia
Building under construction in Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
The concept of structural and architectural engineering, building under construction using modern machinery in the Kingdom of Saudi Arabia, implementing the reconstruction plan and forming the metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding
Concept of structural and architectural engineering, group of workers implementing construction plan and forming metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, silhouette of a building under construction in Saudi Arabia, Saluit
Construction works, concrete pouring and foundation laying, building under construction in Saudi Arabia during daytime, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, implementation of construction plan and forming of metal structure, tower under construction using modern machinery
Construction works, concrete pouring and foundation laying, building under construction in Saudi Arabia during daytime, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, implementation of construction plan and forming of metal structure, tower under construction using modern machinery
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, skyscraper under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure
Implementation of construction plan and formation of metal structure, construction works, pouring concrete and laying foundations, building under construction in Saudi Arabia during daytime, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, tower under construction using modern machinery
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure
Building under construction using modern machinery in the Kingdom of Saudi Arabia, implementation of the reconstruction plan and forming the metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering
Implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations
Illustration of a building under construction in Saudi Arabia, construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, implementation of the construction plan and forming the metal structure
Construction work, pouring concrete and laying foundations, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, bottom view of a building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of the construction plan and forming the metal structure
Construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding.
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, building under construction in UAE, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure, urban development and progress
Architectural development in Saudi Arabia, foundations and structures for residential and industrial projects, buildings and mega projects under construction at dusk, concept of improving the country's infrastructure, construction, contracting and real estate development, cranes, scaffolding and machinery on the construction site
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure
The concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, construction works, pouring concrete and laying foundations, implementing the construction plan and forming the metal structure, heavy machinery and equipment, cranes and high scaffolding, a tower under construction using modern machinery
Bulldozers, cranes and high scaffolding on the work site, implementation of the construction plan and formation of the initial metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, building under construction in Saudi Arabia, concept of structural and architectural engineering
The concept of structural and architectural engineering, heavy machinery and equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, a tower under construction using modern mechanisms
Heavy machinery and equipment, cranes and high scaffolding, silhouette of a building under construction in Saudi Arabia, concept of structural and architectural engineering, worker implementing construction plan and forming metal structure, construction works, pouring concrete and laying foundations, Salouet
The concept of structural and architectural engineering, a group of towers under construction using modern machinery in the Kingdom of Saudi Arabia, implementing the reconstruction plan and forming the metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding
Group of workers carrying out construction plan and forming metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, silhouette of a building under construction in Saudi Arabia, concept of structural and architectural engineering, Salouet
Implementation of the reconstruction plan and formation of the initial metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment used in the work, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering
Building under construction in Saudi Arabia at sunset, concept of structural and architectural engineering, heavy equipment, cranes and high scaffolding, construction works, concrete pouring and foundation laying, implementation of construction plan and forming metal structure, tower under construction using modern machinery
Concrete construction site under construction, Saudi urban development and progress, improvement and development of infrastructure in the Kingdom of Saudi Arabia, concept of structural and architectural engineering, implementation of the construction plan and formation of the metal structure
Tower under construction using modern machinery, concept of structural and architectural engineering, building under construction in Saudi Arabia at sunset, heavy equipment, cranes and high scaffolding, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
Implementation of the reconstruction plan by forming the basic structure of the building, a skyscraper under construction in the Kingdom of Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering, a tower under construction using modern machinery, pouring concrete and laying foundations
Structural and architectural engineering concept, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure
Use of modern machinery in Saudi Arabia, implementation of reconstruction plan, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, silhouette of a building under construction with a sky full of clouds
Clear sky view during day, buildings and skyscrapers on a construction site in Saudi Arabia, work on developing and improving the country, concept of structural and architectural engineering, implementation of construction plan and forming of metal structure, construction cranes and concrete pouring
Basic structure of building, skyscraper under construction in Saudi Arabia, equipment, cranes and high scaffolding, concept of structural and architectural engineering, tower under construction using modern machinery, construction workers operating heavy excavation machines
Heavy machinery and equipment, cranes and high scaffolding, construction works, concrete pouring and foundation laying, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and forming of metal structure
Implementing the reconstruction plan and forming the metal structure, construction work, pouring concrete and laying foundations, a building under construction in the Kingdom of Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering, a tower under construction using modern mechanisms
Concept of structural and architectural engineering, building under construction in Saudi Arabia at sunset, heavy equipment, cranes and high scaffolding, construction works, concrete pouring and foundation laying, implementation of construction plan and forming metal structure, tower under construction using modern machinery
A building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
A skyscraper under construction in the Kingdom of Saudi Arabia, building the main facade and implementing the reconstruction plan by forming the basic structure of the building, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering, a tower under construction using modern mechanisms
Tower under construction using modern machinery, concept of structural and architectural engineering, building under construction in Saudi Arabia at sunset, heavy equipment, cranes and high scaffolding, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
Skyscrapers and towers on a site under construction in Saudi Arabia, working on developing and improving the country, the concept of structural and architectural engineering, implementing the construction plan and forming the metal structure, construction cranes and pouring concrete
Concept of structural and architectural engineering, construction cranes, concrete pouring and foundation laying, implementation of construction plan and metal structure formation, modern building under construction, urban expansion in the Kingdom of Saudi Arabia
A building under construction in the Kingdom of Saudi Arabia, construction work, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure, a tower under construction against the blue sky using modern mechanisms
Construction works, concrete pouring and foundation laying, heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, implementation of construction plan and formation of metal structure
Building under construction in Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding, concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation
Machinery, heavy equipment, cranes and high scaffolding, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, construction work, pouring concrete and laying foundations, implementing the reconstruction plan and forming the metal structure, a tower under construction using modern mechanisms
Use of modern machinery in Saudi Arabia, implementation of the reconstruction plan and formation of the metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, the concept of structural and architectural engineering, a yellow crane lifting materials at the construction site
Building under construction in Saudi Arabia at sunset, concept of structural and architectural engineering, heavy equipment, cranes and high scaffolding, construction works, concrete pouring and foundation laying, implementation of construction plan and forming metal structure, tower under construction using modern machinery
The concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of the construction plan and forming the metal structure, a tower under construction using modern machinery, a building under construction in the Kingdom of Saudi Arabia, heavy machinery and equipment, cranes and high scaffolding
Implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations
A building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Implementing the reconstruction plan and forming the metal structure, the concept of structural and architectural engineering, a building under construction in the Kingdom of Saudi Arabia, a construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations
Group of workers carrying out construction plan and forming metal structure, construction works, pouring concrete and laying foundations, heavy machinery and equipment, cranes and high scaffolding, silhouette of a building under construction in Saudi Arabia, concept of structural and architectural engineering, Salouet
A construction site crowded with machinery, heavy equipment, cranes and high scaffolding, construction work, pouring concrete and laying foundations, a building under construction in the Kingdom of Saudi Arabia, the concept of structural and architectural engineering, implementing the reconstruction plan and forming the metal structure
Heavy machinery and equipment, cranes and high scaffolding, building under construction in Saudi Arabia, concept of structural and architectural engineering, construction works, concrete pouring and foundation laying, implementation of construction plan and metal structure formation