JAIPUR: For optimum utilization of available land in Model 4 buildings of the upcoming affordable housing schemes, the Jaipur Development Authority (JDA) is planning to construct G+7 high rises. On Thursday, JDA officials gave directions to prepare an expression on interest (EOI) in this regard.In Model 4 affordable housing schemes, the developer will construct the buildings on government land. The JDA has identified 14 such government land in a consolidated area of the city for constructions under this model.