b'Project Profile Continued from page 1Temporary cooling and chiller units.Raising equipment curbs.Installing the lightweight insulating concrete (LWIC).ThatwasachallengeinitsThedecisiontouseSiplastsThatswhythemechanical ownright,Anastasopoulosre- LWIC and Paraflex resulted fromportion took so long, Anastaso-ports.Overthatspace,thereearlyconsultationsbetweenthepoulos continues. We were only were about 70 rooftop units sit- roofingandwaterproofingspe- allowedtotakedownasmall tingoncurbsandsleepersandcialist and TSS. In addition to thenumber of units per week. For ex-100-pluspenetrations.Allthosematerials durability and ability toample, three to four units would itemshadtogetdisconnected,protect the roof membrane, Paraf- be shut down for about five days, raisedandreconnectedagain.lexalsoproducedlowodours,andthenwedmoveontothe That took nearly a year to com- which was an important factor fornext set of units.plete since we could only work onthe client. Whats more, the useKeeping the data centre cool was it at certain times throughout.of Siplasts solutions meant thatnosmallfeat,saysGamble.Itin-Nextcameinstallinganewthe next roof replacement wouldvolved transporting and establishing roof as per TSSs designs. For this,onlyneedanothercoatingoverthree- to five-ton temporary coolingInstallation of the vented base sheet and modified bitumen membrane.the team settled on keeping thethetopoftheexistingcoating,and chiller units, as well as sequenc-existing roof in place and install- without having to lift the units.ing the mechanical shutdowns.ing a hybrid system overtop.TheprojectcomplexityandNot only that, he adds, but we The existing roof was still rela- the need to provide a proactivehad to run a whole new electrical sys-tively young, and we decided thatwaytosupportenvironmentaltem, as well, to facilitate the tempo-keepingitinplacewouldkeepresponsibilityrequiredauniquerary cooling.the surface watertight while crewssolution, says Ali Hendrickson, placed a new roof over the top,DirectSalesManagerwithSi- Capping It Offsays Anastasopoulos. It was alsoplast Roofing & WaterproofingWorkontheRogersCom-thegreenestsolution;wesavedSystems.Weworkedinparal- municationsreroofinginitiative quite a bit of insulation that waslelwiththedesignauthoritytocapped in March 2022. And de-otherwise going to be ripped offprovidehonestandthoughtfulspite working through a pandemic and thrown away. assistanceandidentifytherightand in close proximity to another For the new surface, OIRCAsolutions for the project, includ- data centre expansion project, there Associate Member Siplasts SBS- ing a diligent review of proposedis a consensus among the team and modifiedbitumenroofmem- assemblies,on-sitefieldtechni- Rogers that the work was a success.branes and lightweight insulatingcal assistance and a dedication toThe project went along really concrete (LWIC) were used to cre- best practices, with a goal of help- well, especially considering all the ate a solid positive slope leadinging to ensure system performancemoving parts and other construc- Installation of the liquid applied membrane.to the roofs drains and preventthroughout its service life. tion projects that were going on at ponding. Next, the team appliedthe same time, says Anastasopou-Siplasts Paraflex, a liquid-appliedKeeping It Cool los.Andtobehonest,working membrane coating comprised ofDowntimeisafour-letterduring the pandemic was also a bitHendrickson.Thedesignteamtors, who are truly the cream of aliquidapplication,polyesterwordfordatacentres.Assuch,of a benefit given that it meant hav- atTSS,theroofingcontractorthe crop.mesh fabric and an additional liq- one of the projects mandates wasing fewer client staff on site. Specified Roofing and the LWICThesearetheprojectsthat uid layer. to maintain the data centres cool- TSS attributes its success to air- applicatorSlopedConcreteSo- standout,addsGamble.The Typically, a two-ply mod biting requirements at all times. Fortight communication and collabo- lutions (SCS) all worked in con- number of moving parts and all wouldhavebeenaddedtotheTSS and its team, this meant dis- ration between Specified Roofing,certwithourSiplastfieldtechthedailyplanning,scheduling LWIC, followed by a gravel coat- connecting, replacing and raisingSiplast and the 30-plus other con- managers to make this project asand coordination made this one ing. But given the projects weightcooling units in phases and sup- tractors involved with the project.seamless as possible. It also helpscomplex,butthatcomplexity restrictions, we needed an alterna- plying backup cooling machineryIcouldnothaveaskedtothat we were able to work closelyalso makes projects like this much tive, explains Anastasopoulos. for the units being moved.be part of a better team, agreeswith our Siplast Select Contrac- more exciting and memorable.6ONTARIO ROOFING NEWSISSUE 1 2022 THE ONLY SOURCE FOR PROFESSIONAL ICI ROOFING CONTRACTORS IN ONTARIO ORN'