Laserfiche WebLink
Y��2.TESTING ACR RISER BODY E- ACAUTION <br /> 1O�.21.Fill the riser with water(uepoint 8inches above the <br /> md|onMseroeam. Do not force the clamping ring ciosed[ or personal injury' or <br /> pmperty damage may occur. ff it binds, rotate the comer and <br /> 18.52.2.Mark and record the water level and check itafter one ring, and try again. <br /> hour.|fnnleaks are found,remove the water and continue the <br /> installation process. Note: The gasket in the watertight cover requires periodic <br /> replacement. <br /> 16.5.3.TESTING ACR-WT RISER TOP <br /> 10.53.1.Water test the riser top after the adhesive/sealant in 18.8.0.Check for gouges orcracks onthe top lip using proper <br /> the groove utthe top ofthe riser has sufficiently set. fiberglass,materials and procedures. !fdamage iudetected, <br /> contact the UST coordinator atthe Xerxes plant nearest you. <br /> 10.5.32.Plug any wall penetrations before starting this test. <br /> 16.7. FINAL ACR INSTALLATION <br /> i0.5.3.3.Fill the riser system with water huepoint above this 1O71.The ACR must b*isolated from all traffic loads. <br /> outer groove(to the top ofthe cover|ip). <br /> 1O7.2.The contractor must install aconcrete form hoallow o <br /> 10.5.34.After one hour,inspect all joints and penetrations for minimum 3-inohclearance between the concrete padhstm*t-box <br /> leaks. frame and the riser top. <br /> 1O.5.3.S.|fthe system iatight,remove the water. iO7.3.Backfill tothe top ofthe ACR system. <br /> 16.5/%. REPAIRING LEAKS 1O74.BackfiUaround the outside edge ofthe ACR,making sure <br /> 16.541. |faleak iofound inriser joints(top nrbn8om)'mark that nobackfill ioontop ofthe ACR.(See FIGURE/6-6,Area A.) <br /> the spot and drain the ACR. <br /> 16I5.Set abarrier onpea gravel boensure ominimum 3-inoh <br /> 18.5.4.2.Dry the leak area both inside and out. clearance between the barrier/concrete slab and riser top. <br /> Tvpio8|inobmUaUonuses uplywood orequivalent barhoc �em <br /> 10�5�4�3�PnopamUhoom»mbvoandingemundtho|eukad|�oot3 FIGURE Typical <br /> inches ineach dieoU1��Aemfl>on� <br /> 16I8.Set the otmotbox and check for clearance 0oaUmw <br /> iG�5�4�4�App|yadhaaivo�oe|onttodh�nand*denoa� access and space toremove the watertight cover. (See FIGURE <br /> 1O.54 �� <br /> �5��� oftormehohe|nuffioienUymet /��Area�> <br /> sets ' <br /> 16.7.7.Continue with backfill,aorequired,tooubgnode. (See <br /> ACAUTION FIGURE/6-6,Area D] <br /> " <br /> Do not stand onany omrfiinmfthe installed cover This <br /> may result in damage that would prevent pmper sealing. Backfill Street Box Barrier <br /> � Donot hit the top lip wftnsealing ft A CR-WT top or <br /> damage may occur. <br /> 16.G.WATERTIGHT COVER INSTALLATION <br /> 10.8.i.Inspect the gasket inthe groove onthe underside ofthe <br /> cover.Brush away any debris and make sure the gasket iu <br /> o|oen. <br /> Top of ACR A <br /> 18.02.Check the top lip nfthe opening for nicks orcracks,and System Typical Installation Backfill <br /> clean asnecessary. No Backfill <br /> on Top of ACR (watertight cover <br /> 168.3.Set the cover onthe opening and seat itinplace. <br /> 18.G.4.Open the clamping ring and fit itaround the cover and <br /> top lip ofthe opening. <br /> 1O.O.5.Slowly close the clamping ring with the lever making ~w�' <br /> sure both the cover edge and top lip are caught inthe ring <br /> FIGURE 16-6 <br /> groove.Lock the lever inplace. <br /> 23 <br />