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PUBLIX Building Vertically Publix Supermarkets fits GreenWise shopping concept into tight urban historic space using total precast concrete system — Craig A. Shutt The new GreenWise organic supermarket by Publix Supermarket in Tampa, Fla., combines grocery, retail, offices and parking space in a total precast concrete structural solution that offers the functional needs for each use as well as an attractive façade that fit into the historic neighborhood. ith the population growth firm on the project. “Publix has rec- tall area are two levels of structured in urban centers and the ognized that many people today are parking with space for 200 cars. They Wscarcity of commercially looking for more natural and organic are reached via oversized elevators, available land to meet the new needs, choices, and this store approach escalators and cart conveyors that developers are looking to revitalize ex- achieves that by avoiding foods pro- carry shopping carts to the second isting locations and fit more services duced with pesticides and chemicals, floor. into tighter spaces. A total precast hormones and antibiotics,” he says. Prior to creating the design, the concrete structure helped Publix Su- “The goal was to create a multi-use architects held review meetings with permarkets achieve those goals when facility as a one-stop shopping des- the public to learn their concerns and it constructed a building in the historic tination for organic, all-natural and explain the concept. Their prime fo- and trendy south section of Tampa, earth-friendly products.” cus, Simmons says, was to ensure Florida known as SOHO that contains Fitting that store concept into the project fit into the streetscape of a 40,000-square-foot grocery and re- downtown Tampa’s “trendy, highly the historic area and that there was tail center on the first floor and two urban and historic area” proved chal- sufficient parking to prevent conges- levels of parking above. lenging. The Tampa GreenWise Hyde tion and allow easy access to the The facility represented a new ap- Park store, the second constructed in stores. proach to supermarket layout for Pub- Florida, houses an upscale grocery as Deciding to create this multi-pur- lix as well as an extension of its new well as a café, a full kitchen offering pose structure using precast concrete shopping concept, explains Randy prepared foods for curbside service, was an easy one, Simmons notes. Simmons, chairman of R.R. Simmons and a mezzanine with seating and a “We’ve done many parking structures Construction Co., the design-build Wi-Fi network. Above this two-story- for a variety of clients, and we’re pre- 36 ASCENT, WINTER 2012 cast concrete advocates,” he says. “Precast concrete is our first love for every project. It’s the most cost-effec- tive and flexible design option, and it provides excellent aesthetics. You can make it do pretty much whatever you want it to do. It was a natural choice for the high-density, stacked construc- tion we needed here.” ‘The goal was to create a multi-use facility as a one-stop shopping destination.’ Design-Build Aids Process The tight site required the structure to be built from the inside out, positioning the crane inside the footprint and What was not natural was revamp- working across the building before backing up to erect the next set of bays. When the crane finished the final por- ing the store layout to fit the available tion, the speed ramp to the parking levels was built as the final piece. space and the need for escalators. Supermarket officials chose R.R. Sim- PROJECT SPOTLIGHT mons to create a design-build concept for the first time due to the logistics of GreenWise Supermarket the tight site and need to adapt to fit. Location: Tampa, Fla. “Parking with the grocery functions Project Type: in its base rather than below or beside Grocery store and parking the retail space was a new concept Size: 199,100 square feet Cost: $12.5 million Designer/Contractor: R.R. Simmons Construction Co. Tampa, Fla. Owner: Publix Supermarkets Inc., Lakeland, Fla. PCI-Certified Precaster: Coreslab Structures (Tampa) Inc., Tampa, Fla. Precast Specialty Engineer: LEAP & Associates International, Tampa, Fla. Precast Components: Columns, beams, double tees, spandrels, stairs with landings, load-bearing wall panels and flat slabs. for them,” Simmons says. “The build- concept so it met their needs and ing had to serve two masters—it had didn’t create problems for the upper to park cars efficiently, but it also had parking levels.” to house a sophisticated retail gro- In particular, the prepared-food cery operation. It worked well to have section required a fully functional both design and construction func- kitchen, but the venting could not tions in-house so they could play off go out through the roof (i.e. into the each other to solve problems as they parking level) as more typical grocery arose. It really made the process go locations could do. “We had to create much faster, but the design-build pro- different openings and camouflage cess enhanced the creativity issues them so they weren’t obvious from as well as constructability. And there the street,” he says. That also required were difficult challenges, no doubt planning the penetrations early in the about it.” design process so they could be in- One of the first centered on Pub- corporated into the fabrication of the lix’s need to adjust its paradigm. precast concrete components and in- “Typically, they would adjust the gro- terface with equipment smoothly on cery store to fit their layout needs,” site. Towers along the main pedestrian way add interest Simmons explains. “However, to The precast concrete structural and break up the large scale of the building’s façade. truly optimize the project, Publix had solution allowed long double tees The architects held review meetings with the public to explain the concept and listen to their feedback. to adapt the grocery layout to fit the to eliminate columns on the retail One of their key concerns was that the building fit bay spacing for the parking structure. level that would have interfered with into the historic look of the area. We worked with them to reinvent the merchandising and traffic flow while ASCENT, WINTER 2012 37 is vibrated to compact it into the base and connect with adjoining soil. The foundation posed no challenges to interfacing with the precast concrete structural components. Fitting the parking levels to the retail facility below required careful attention to moisture penetration. Moisture a Key Concern Providing parking levels over the The speed ramp along the back of the building quickly pulls customers up to the parking levels, alleviating conges- retail facility below required careful tion on the street. Vent ducts at the top of the parking levels were needed due to the working kitchen and other attention to protecting against mois- facilities inside the supermarket on the first floor. ture penetration due to Tampa’s wet climate. Although the precaster typi- cally supplies pretopped double tees for parking levels, the second level’s double- tees were not topped, allow- ing a weatherproofing membrane to be applied prior to the topping. The roof membrane was carefully integrated into the waterproofing sys- tem over the precast concrete double tees, eliminating the need for a sec- ondary drop ceiling above the retail areas. All exposed double-tee joints were sealed, allowing for a simple paint finish for the store’s ceiling. Recesses were cast into the double tees’ stems to accept threaded rods and other types of supports for sig- nage and other interior needs. A variety of paint colors and finishes created the appearance of smaller shops along the supermarket and parking In addition, an envelope consultant facades. was hired to provide suggestions dur- ing the design phase and to regularly providing the loading needed for the spaces available to customers. Bays monitor placement of insulation dur- parking levels above. were designed at a spacing of 36 by ing construction. Stainless-steel cop- 60 feet. The floor was leveled due ing and flashing also were used, and Mezzanine Adds Space to the number of shopping carts ac- the base of the exterior walls was coated with a brick finish and an in- A 1,000-square-foot mezzanine lev- cessing the floors, with independent tegrally-colored EIFS coat rather than el was created in the retail level using ramping used to facilitate that ap- just paint. precast concrete flat slabs bearing on proach. Measures also were taken to The precast concrete design the exterior walls and on columns and improve the pedestrian flow, including helped meet the public’s concern for beams placed along the perimeter. well-lit signage, glass lobbies and the safety on the parking levels by provid- Precast concrete stairs lead up to this elimination of parking curbs to reduce ing open, clear spans. Vertical visual level. The level provides space for me- trip hazards. obstructions were minimized by push- chanical equipment and operational Modifications to adjust to the tight ing the ramps to the outer edges of offices while allowing management geometrics were made, including in- the structure, while the number and personnel to overlook the grocery tegrating the ramp design with the locations of columns were tightly con- floor. “We wanted to take advantage storm-water vault and hidden truck trolled to maintain unobstructed lines of the tall space in areas where it court on the ground floor. The struc- of sight. A speed ramp was provided wasn’t needed for the grocery level,” ture also required a vibro-floatation to enable customers to quickly ac- Simmons explains.

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