The construction of Afsarieh interchange which was originally
scheduled for completion in 30 months, due to some unforeseen combination of
circumstances, was later compressed into 12 months. To get the work done on time
and within budget, Kayson immediately put into effect emergency schedule and
cost control measures and appointed a highly qualified management team to
supervise and coordinate the provision of labor, plant and equipment, quality
assurance and quality control, health and safety, and materials control.
completion of the Afsarieh Project, the Environmental Engineering and
Architecture Forum of Iran awarded Kayson a First Prize Certificate for the Best
Construction Work of the Year.
- Two independent, parallel main
bridges, 2.5 meters apart and 22 meters wide, with a height clearance of between
5.23 and 7.44 meters from the ground level. There are five 3.65-meter lanes and
two 0.6-meter safety margins to each bridge. Each bridge span is supported
against vertical loads by 22 precast reinforced concrete girders.
- A cloverleaf
interchange with nine ramps and four loops designed to route turning traffic in
all possible directions and prevent streams of traffic crossing one another.
secondary bridges, one extending across two of the interchange ramps, with a
height clearance of six meters; the other, with a height clearance of 5.7
meters, and two reinforced concrete abutments, steel beams and reinforced
concrete slabs which act as a composite.