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L18 <br /> Model 418 Series Limited Access Test Well Manhole <br /> SPECIFICATION SHEET <br /> Application <br /> The limited access manholes are round with a bolted and gasketed cover. <br /> Used for access ports in driveways where limited access and/or water <br /> resistant conditions are required. The bolts are standard hex head stainless <br /> steel. Meets H-20 load requirements. Each manhole is individually boxed. <br /> Models <br /> • The 418 has a plain cover. The 18" x 12" and 18" x 18" models use a Fig.418 <br /> recessed allen screw. <br /> • The 418XA has a monitoring well manhole warning and an API symbol on <br /> the cover. <br /> • The 418XAH is the same as the 418XA but has a 14-gauge heavy skirt <br /> and nylon washers. <br /> • The 418XAP is the same as the 418XA but the cover is painted white with <br /> a black triangle. <br /> Fig.4MA <br /> • The 418XAW is the same as the 418XA but with continuous welded <br /> construction, nylon washers, heavy skirt (16-gauge), and skirt anchor <br /> lugs. <br /> • The 418TM has a cover indicating "TANK MONITOR"for UST leak <br /> detection. Bolt down and gasket. <br /> i DRIVEWAY <br /> IRON RIM& LID BUNA-N GASKET Fig.418XAw <br /> A <br /> GALVANIZED <br /> = STEEL SKIRT <br /> I 1,; <br /> WELL PIPE&CAP <br /> s <br /> 570 E.7th Street,P.O.Box 238 Dubuque,IA 52004-0238 <br /> / t.563-583.5701 1 800.553.4840 1 f.563.583.5028 <br /> �I MORRISON BROS. CO. `v` w.` orbr°S.`°", <br />