Work is under way by The Clark Construction Group Inc. on Heritage IV, the second and final phase of development of the Heritage Center in Annandale, VA. The Heritage complex, developed by Royal Management & Development Inc. and owned by Bourj Ltd., both of Annandale, will become the largest office building campus in the Annandale area when this building is complete, according to Elizabeth Tuico, corporate publications manager of Clark.

The $23-million Heritage IV, designed by Burt Hill Kosar Rittlemann Associates, of Pittsburgh, is a 10-story, 206,000-sq. ft. Class A office building with five levels of underground and at grade parking totaling 297 spaces. The building is being constructed of cast-in-place concrete and features a facade with aluminum curtain walls and ribbon windows, aluminum spandrel panels and black granite cladding, Tuico said.

The interior of the building includes granite flooring, cherry paneling and a monumental circular stair, all highlighting the two-story entrance lobby. The first floor also includes a fitness center. Large areas of open tenant space can be attributed to the building core, which is asymmetrically located in the floor plan. Floors two through nine each are comprised of 21,500 sq. ft. (1,997 sq m). The 10th level recedes from the building edge to produce two open rooftop terraces, flanking a circular glass-enclosed corner.

Construction on the project began in August 2001. Clark Construction has moved 38,000 cu. yds. (9,053 cu m) of earth, which was hauled and used as fill. According to Matt Haas, project manager of the Hertiage IV project, the weather has been cooperative up until the last few weeks when there had been a cold spell. The project is still on schedule for a completion date of December 2002.

In addition to Clark Construction, the general contractor headquartered in Bethesda, MD, there are 30 subcontractors working at Heritage IV. The project team includes: Atlantic Engineering Services of Pittsburgh, structural engineer; and Burgess & Niple Inc. of Washington, D.C., civil engineer. The architect, Burt Hill Kosar Rittlemann Associates, also designed the mechanical and electrical systems.

A variety of equipment is being used on the project, Haas said. Excavating is being performed by a Hitachi EX400 with a 3-yd. (2.7 m) bucket. The project team also is using two backhoes: a Caterpillar 330 and a Caterpillar 225. The two loaders on the job are a Caterpillar 973 and a Caterpillar 943. Other equipment proven useful on the project include an Ingersoll-Rand roller with sheepsfoot, a Peiner 405 tower crane, and a Gradall 4200 with a hoe ram.

Extensive site and landscaping improvements also are planned at Heritage IV. A variety of tree, ground coverings and perennials will be planted and a paved plaza with trellis and benches will be built. Site improvements include 160 surface parking spaces and an entry plaza between two existing buildings. There also will be a landscaping path to the intersection of Heritage Drive and Little River Turnpike.

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