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CITY OF EVERETT SPECIAL PROVISIONS <br /> DIVISION 9 - MATERIALS <br /> 9-03 AGGREGATES <br /> Supplement Section 9-03 by adding the following: <br /> 9-03.22 Sand Backfill for Pipe Zone <br /> (******) <br /> For pipe zone bedding and backfill of ductile iron and steel pipe only, provide a clean sand <br /> mixture free from organic matter and conforming to the following gradation: <br /> U.S. Standard Percent Passing <br /> Sieve Size By Weight <br /> 1/2" 100 <br /> #4 65-100 <br /> #50 30-40 <br /> #200 0-8 <br /> All percentages are by weight. <br /> 9-04 JOINTS AND CRACK SEALING MATERIALS <br /> Supplement Section 9-04 by adding the following: <br /> 9-04.13 Flexible Coupling <br /> (******) <br /> Provide Fernco or equal flexible coupling for gravity side sewer connections. <br /> 9-05 DRAINAGE STRUCTURES, CULVERTS, AND CONDUITS <br /> 9-05.12 Polyvinyl Chloride (PVC) Pipe <br /> 9-05.12(1) Solid Wall PVC Culvert Pipe, Solid Wall PVC Storm Sewer Pipe, and <br /> Solid Wall PVC Sanitary Sewer Pipe <br /> Revise the third paragraph in 9-05.12(1) to read as follows: <br /> For pipe sizes 18 to 30-inch diameter, provide solid wall PVC pipe meeting ASTM <br /> F 679, using minimum pipe stiffness of PS46, unless otherwise noted on the Plans. <br /> Revise the fifth paragraph in 9-05.12(1) to read as follows: <br /> Provide Trench ToughTM SDR 35 gasketed injection molded fittings for solid wall <br /> PVC pipe as manufactured by MULTI FITTINGS, or equal. <br /> 9-05.13 Ductile Iron Sewer Pipe <br /> Delete all paragraphs in 9-05.13 and substitute the following: <br /> Provide centrifugally cast ductile iron sewer pipe meeting the requirements of AWWA <br /> C151. Provide cement-mortar lining meeting the requirements of AWWA C104 and <br /> coated with a seal coat per AWWA C104. Provide ductile iron pipe Special Thickness <br /> Class 52. <br /> Provide rubber gasket push-on type, or mechanical type nonrestrained joints meeting <br /> the requirements of AWWA C111. <br /> 9-05.15 Metal Castings <br /> 9-05.15(1) Manhole Ring and Cover <br /> Delete all paragraphs in 9-05.15(1) and substitute the following: <br /> For hinged frames and covers, provide heavy duty ductile iron frames and covers <br /> as manufactured by PAMREX, 24-inch, Model CDPA6OEH, East Jordan Iron Works <br /> Jackson Park Area Stormwater Separation <br /> WO No. -UP3703 Division 9—MATERIALS September 2020 <br /> SP-182 <br />