The construction cost is still being formulated, but similarclass A buildings have gone up for $225 per sf. "Right now we'replanning twin buildings, with the first phase at around 350,000,"says Carleton Riser, Transwestern's managing director. The twinswill sit on 21 acres at Eldridge and Enclave parkways near the878-acre Enclave corporate office park. "If it's a build-to-suit,the project could be designed and sited differently," Riser adds.Houston-based Kirksey Architecture is designing the twin-towerdevelopment.

Riser tells GlobeSt.com that the current plan for Transwesternand its institutional partner is to build it, lease it and sell it.He doesn't anticipate much of a lease-up problem, particularly in asubmarket that has become attractive to major energy companies,their subsidiaries and their venders.

"Space in the Energy Corridor is very tight," Riser points out."The class A vacancy rate is less than 5%." Added to that, he saysthe area is a controlled environment from a developmentperspective, partly due to wetlands issues.