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I <br /> 3.0 Isolator Row StepByStep Maintenance Procedures I <br /> I <br /> StepInspect Isolator Row for sediment <br /> 1) StormTech Isolator Row (not to scale) <br /> A) Inspection ports (if present) <br /> i. Remove lid from floor box frame 1)al 2 i)AI <br /> I <br /> ii. Remove cap from inspection riser <br /> iii. Using a flashlight and stadia rod, <br /> measure depth of sediment and <br /> record results on maintenance log. �,�,�,�,�,�,�,I,,iv. If sediment is at, or above, 3 inch , _ , _ , I/depth proceed to Step 2. If not 4iiiimm, <br /> Ji 1 I 1 1 I 1 I 1 I fproceed to step 3. ,B) All Isolator Rowsi. Remove cover from manhole at <br /> upstream end of Isolator Row <br /> ii. Using a flashlight, inspect down Isolator Row through outlet pipe I <br /> 1.Mirrors on poles or cameras may be used to avoid a confined space entry <br /> 2.Follow OSHA regulations for confined space entry if entering manhole <br /> iii. If sediment is at or above the lower row of sidewall holes (approximately 3 inches) proceed to Step 2. <br /> If not proceed to Step 3. <br /> Step 2)Clean out Isolator Row using the JetVac process <br /> A)A fixed culvert cleaning nozzle with rear facing nozzle spread of 45 inches or more is preferable <br /> B)Apply multiple passes of JetVac until backflush water is clean <br /> I <br /> C)Vacuum manhole sump as required <br /> Step 3)Replace all caps, lids and covers, record observations and actions <br /> Step 4) Inspect& clean catch basins and manholes upstream of the StormTech system 1 <br /> Sample Maintenance Log <br /> Stadia Rod Readings I <br /> Fixed point Fixed point Sediment <br /> Date to chamber to top of Depth Observations/Actions Inspector <br /> bottom(1) sediment(2) (1)-(2) <br /> I <br /> 3/15/01 6.3 ft. none ! New installation.Fbed point is CI frame at grade djm <br /> 9/24/01 6.2 0.1 ft } Some grit felt sm <br /> 6/20/03 5.8 0.5 ft. Mucky feel,debris visible in manhole and in ry <br /> Isolator row,maintenance due <br /> 7/7/03 6.3 ft. 0 System jetted 4and vacuumed djm <br /> I <br /> StormTech 1 <br /> Detention•Retention•Water Quality <br /> A division of ! II <br /> LLLLLLPZ <br /> 70 Inwood Road,Suite 3 I Rocky Hill Connecticut 06067 1 <br /> 860.529.8188 1888.892.2694 fax 866.328.8401 www.stormtech.com <br /> ADS"Terms and Conditions of Sale"are available on the ADS website,www.ads-pipe.com 1 <br /> Advanced Drainage Systems,the ADS logo,and the green stripe are registered trademarks of Advanced Drainage Systems. <br /> Stormtece and the Isolator Row are registered trademarks of StormTech,Inc. <br /> Green Building Council Member logo is a registered trademark of the U.S.Green Building Council. <br /> ©2013 Advanced Drainage Systems,Inc.S090809 02/13 <br />