Architecture Considerations

The Mashhad Mall project is located on the intersection of two major commercial routes in Mashhad (Sajjad Boulevard and Khayam Boulevard), adjacent to the Homa Hotel, on a land area of 8 hectares. The complex features 3 basement levels dedicated to parking and 6 main floors with diverse commercial, recreational, cultural, sports, and restaurant uses, comprising 650 units. Residential towers and a hotel have also been planned, with a capacity of 82 residential units and 350 accommodation suites to enhance the comfort of citizens and accommodate Mashhad's guests.

The complex benefits from proximity to lines 1 and 3 of the urban metro, over 4,500 parking spaces equipped with an intelligent parking management system (PMS), and access from adjacent streets, providing optimal accessibility. Notably, the project is 7 kilometers from the Holy Shrine, 19 kilometers from Ferdowsi's Mausoleum, 20 kilometers from the Torqabeh recreational area, and 31 kilometers from the Shandiz summer resort.

One of the distinctive features of the market in this complex's architectural design is the construction of 9 skylights above the openings (voids) in the commercial spaces between market aisles to supply natural light, distinguishing it as a unique Iranian commercial complex. The largest skylight in the project, with a span of 40 meters and a length of 85 meters, is covered with glass and designed with an ADDON system. The structure of this skylight is inspired by traditional Islamic ornamental patterns, featuring a chilik form with box-section members in design and execution.

Electrical Systems Considerations

The electrical demand of this complex is approximately 30 megawatts, supplied by the 20 kV distribution network from nearby high-voltage substations. In addition to the city grid supply, emergency power generated by diesel generators has a capacity of 12 megawatts, sufficient to cover 50% of common area lighting loads, 30% of commercial unit lighting, and 50% of escalators and elevators.

Power distribution on each floor is handled through eight separate electrical rooms, comprising panels for common areas and metering panels connected to the utility company via bus ducts. To optimize energy consumption, all lighting fixtures are high-efficiency LED and SMD types. In common areas and parking lots, lighting is centrally controlled for on/off operations. All normal power distribution cables and wires are LSHF type, while emergency lighting and life safety power cables are additionally fire-resistant.

The incorporation of modern communication and control capabilities in the low-voltage system design has led to the implementation of an extensive range of systems and equipment in this complex. Among the most significant is the BMS, which provides intelligent control of mechanical installations, lighting management, and safety and monitoring strategies. The use of a CCTV surveillance system with 2,500 closed-circuit cameras, fire alarm and voice evacuation systems, as well as IP phones and IP TV, constitute the other low-voltage systems in this complex.

Mechanical Systems Considerations

Air conditioning in this project, given the diversity of uses and significant fluctuations in loads throughout the day, necessitates a system with high flexibility and advanced control capabilities. Therefore, to enable simultaneous cooling and heating, a four-pipe variable flow system has been utilized for supplying water to fan coils, along with pressure-independent control valves (picv).

In the central mechanical room, covering an area of approximately 1,200 square meters, Turbocor centrifugal chillers and condensing boilers have been employed for producing chilled and hot water for the complex—these represent the most advanced equipment in the industry. For air conditioning in common areas and large, high-occupancy spaces, approximately 100 air handling units with high-efficiency filters and Free Cooling and Heat Recovery capabilities have been incorporated to achieve energy savings.

Special measures have been prioritized by the client and esteemed engineering consultants to ensure maximum safety throughout the complex. Smoke management systems across the facility, based on software simulations, utilize jet fans, axial fans, and intelligent management to assist occupants in evacuating the building with minimal harm and damage in the event of a fire. Fire suppression systems, including both manual (hose cabinets and extinguishers) and automatic (sprinklers) types, supported by electric and diesel fire pumps, provide fire control capabilities until the arrival of firefighting personnel.

Sanitary installations in most spaces have been executed with concealed thermostatic valves to enhance occupant comfort, improve the visual quality of interior architecture, and reduce energy consumption. Additionally, gray wastewater treatment for feeding flush tanks represents another initiative demonstrating the complex owners' commitment to natural resources and the country's environment.