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City of Elk River Design Standards <br />adjustments shall allow final adjustment of the frame and cover or grate to within'/4" (one <br />quarter inch) of the specified final ele�ration. <br />E. Adhesive/Sealant installation of Cretex Pro-Ring shall conform to the following <br />requirements: <br />a) Any adhesive or sealant used for watertight installation of the grade adjustment rings <br />shall be M-1 Structural Adhesi�re/Sealant, Rapid Set Fle�ible Construction Adhesive & <br />Sealant or equal meeting these applicable performance standards: <br />a. ASTM G920, Type S, Grade NS, Class 35. Uses NT, T1, M, G, A and O. <br />b. ASTM E84, Class A <br />c. Federal Specification TT-S-00230-C Type II, Class B <br />d. Corps of Engineers CRD-G541, Ty-pe II, Class B <br />e. Canadian Standards Board CAN 19, 13-M82 <br />b) Other adhesives or sealants may only be used with owner's written authorization. <br />ROUND RIMGS 40" �.D. X 27 " I.D. <br />PART NUMBER RING TYPE RING HEIGHT <br />40 27F-075 <br />4Q 27F 100 <br />40-27F125 <br />40-27F 15Q <br />40-27F-175 <br />40-27F-200 <br />40-27F-225 <br />40-27F250 <br />40-27F-400 <br />aa-z7F soa <br />40-27A-100 <br />aa-z7�-zao <br />40-27G-400 <br />�o-z�c-�ao <br />FINI5H <br />FINISH <br />FINISH <br />FINISH <br />FINISH <br />FINISH <br />FINISH <br />FINISH <br />FINISH <br />FINISH <br />ANGLE <br />GRADE <br />GRADE <br />GRADE <br />3l4" <br />y„ <br />1-1 /4., <br />1-112„ <br />1-314" <br />2�� <br />2-1 /4„ <br />2-1 !2„ <br />4" <br />s° <br />3/4" TO 1-3/4" <br />2�� <br />4" <br />6" <br />Installation <br />RECTANGULAR 3fi" I.D. X 24" I.D. <br />PAF�T NUMBER RING TYPE RING HEIGHT <br />RT 36-24-075 <br />RT 36-24-100 <br />RT 36-24-125 <br />RT 36-24-150 <br />RT 36-24-200 <br />RT 36-24-300 <br />RT 36-24-400 <br />RT 36-24A1-2L <br />RT 36-24A1-2S <br />FLAT <br />FLAT <br />FLAT <br />FLAT <br />FLAT <br />FLAT <br />FLAT <br />ANGLE (l+o-ng) <br />ANGLE (short} <br />31�„ <br />�„ <br />7-7/4" <br />1-112„ <br />2,� <br />3" <br />4" <br />1 " TO 2" <br />1 " TO 2" <br />1. Cretex Pro-Ring manhole and catch basin grade adjustment rings: <br />A. Installation and surface preparation sh�ill be in accordance with the manufacturer's <br />instructions. <br />B. The joint between the first grade ring and the top of the manhole, catch basin or <br />utility structure shall be sealed using the specified sealant/adhesi�re. <br />C. If the top of the manhole, catch basin, or utility structure is not level or is irregular, <br />then a bed of specified mortar or grout shall be placed on the top surface of the <br />utiliry structure and the first grade ring shall be embedded and le�reled into the bed of <br />material. <br />D. The remaining joints between all grade adjustments and the frame and cover or grate <br />shall be sealed using the specified adhesive/sealant. <br />E. No other materials shall be used in the cons�suc�ion of the grade adjustment area <br />beyond those specified above. Prohibited materials include, but are not limited to <br />wood or wood shims of an�� kind, concrete, brick, block, stones, etc. <br />END OF SECTION 2500 <br />OO City of Elk River, Minnesota — All rights reserved <br />