b'RUNWAYSIND 29managed to get significantly longer thanutility improvements. The new runwayenhancing the operational capabilities the design life out of the pavement.pavement is made up of 6 inches ofand durability of the runway, but also In 2018, IND began a programmingrecycled stone made from the existingleveraging organizational initiativeseffort to explore existing conditions andconcrete pavement, 5 inches of asphaltespecially sustainability. We took a possible solutions. Circle City Aviationand 22 inches of concrete. Dowel barslong look at what we could do from Partners, a joint venture of Woolpert andtie the concrete together and providean environment front on this piece of Kimley-Horn, handled project design andload transfera necessity driven by thepavement, Klaas says. engineering. addition of Boeing 777s to the FedEx fleet.The overall goal was to reduce the Basically, theWe had a lot ofcarbon footprint of the project by 15%, airport instructedconstraints, given thatwhich roughly equates to planting 1.2 Circle City Aviationone of the biggestmillion trees.Partners to leavetenants cargo facilityTo that end, C&S Companies no stone unturned.is adjacent to thatpartnered with Circle City Aviation And thats exactlyparallel taxiway,Partners early in the design process to what we did, recallsnotes Shannon Gunn,identify sustainability opportunities that Nate SummersNATE SUMMERS a civil engineer atSHANNON GUNN could help secure Envision Platinum project manager withKimley-Horn. Tocertification. The idea to use carbon Kimley-Horn. Wephase the project we had to divide thecapture was one of the most innovative explored everything.project into three separate packages toideas that emerged. have constructable pieces that would limit That diligenceoperational impacts.The process, executed by produced 50CarbonCure, introduces recycled, possible solutionsThe airport spent roughly 24 monthspost-industrial carbon dioxide into for rehabilitating orworking with the FAA to identify andfresh concrete to reduce its carbon reconstructing thesecure funding for the project, andfootprint without compromising the targeted runway andTONY ESPOSITO the availability of funding altered itspavements performance. During the taxiway. But weoriginal schedule. When IND received abatching process, gaseous carbon knew early in the preliminary design thathigher level of funding than anticipateddioxide injected into the drum initiates only a few would continue to the finalfor Phase 1, it adjusted course anda chemical reaction that causes the phase of analysis, adds Tony Esposito,completed the larger Phase 2 first.carbon to mineralize with calcium oxides the project pavement engineer withDuring the new Phase 1, crewsin the concrete before it is poured at the Kimley-Horn.reconstructed about 7,000 feet of the In addition to cost and constructability,runway and parallel taxiwayincluding resiliency and sustainability were keythe full removal and replacement ofconsulting | planning factors for analyzing the various options.pavement, installation of new drainageengineering | architecture IND really challenged our team early onsystems and upgrades to adjacentconstruction | sustainabilityto consider resiliencyto make sure thenavigational aids. Existing storm pipe airport was spending money wisely andwas also rehabilitated with cured-in-placeWere hiring!that the project would meet and exceedpipe, adding 50 years of service life to FAA requirementsand sustainability onexisting lines. all fronts, explains John Baer, a seniorThe second phase (originally Phase associate with Woolpert.1) kicked off this April and is expected After extensive analysis, a full-depthto be complete in October. Crews are concrete reconstruction was the clear- reconstructing another 1,500 feet on the cut winner for INDs sustainability,west end of the runway, and upgrading durability and operational needs,the localizer, lighting and drainagePlease scan to infrastructure. Phase 3, scheduled forlearn more about says Baer.this projectnext year, will address the east end of the Existing runway pavement was removedrunway, with similar improvements plusC&S congratulates the down to dirt, and the top 8 inches werethe installation of LED lights. Taxiway N stabilized to provide a solid platform forIndianapolis Airport Authoritybuilding the rest of the section. Earlywill also be realigned during Phase 3. on its Envision Platinum Award in the process, nondestructive testingCollaboration and Carbonfor the Runway 5R-23Lindicated that subgrade improvementsCapture and Taxiway D project were needed to control under-pavementAmong the project leadership team, moisture. Test results also prescribedthere were not only discussions about(877) CS-SOLVE | www.cscos.comthe installation of underdrains and other AirportImprovement.comJuly | August 2023'