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a. Flanged Joints shall conform to ANSIIAWWA C110 and ANSIIAWWA C111. <br />b. Gaskets: Wall Sleeve manufacturer shall consult Flanged Check Valve manufacturer for any <br />special gasket material requirements. <br />c. Bolts: Comply with ANSI B182.1. Service condition will be submerged. Provide ASTM A193, <br />Grade B8M, Class 2, Heavy hex, Type 316 stainless steel. <br />d. Nuts: Comply with ANSI 18.2.2. Service condition will be submerged. Provide ASTM A194, Grade <br />68M, Heavy hex, Type 316 stainless steel. <br />12. Lining, General: <br />a. Surface Preparation: <br />i. Initial Surface Inspection: Surface to be lined shall be inspected by pipe and fitting manufacturer <br />and applicator, if applicator is other than pipe and fitting manufacturer. Inspecting parties shall <br />inspect surface to be coated and mutually determine recommended surface preparation <br />method. <br />ii. Surface preparation: Prepare surface in accordance with recommended method. <br />iii. Finished Surface Inspection: Lining applicator shall inspect finished surface prior to application <br />to determine acceptability. If surface is unacceptable, repeat surface preparation as <br />necessary. <br />13. Cement -mortar lining <br />a. Provide bituminous seal coated cement -mortar lining in accordance with ANSIIAWWA C104. <br />14. Marking for Identification <br />a. Name or trademark of manufacturer. <br />b. Weight, class or nominal thickness, and casting period. <br />c. Country where cast. All products shall be domestic, manufactured in the United States of America. <br />d. Year the pipe was produced. <br />e. Letters "DI" or "Ductile" shall be cast or metal stamped. <br />f. Flange manufacturer's mark, size and letters "DI" cast or stamped on the flanges. <br />g. Fabricator's mark if other than flange manufacturer, <br />h, Length and weight. <br />B. Flanged Check Valve <br />1. Supplier shall provide flanged check valve as specified herein. <br />2. Flange drilling shall conform to ANSI B16.10, Class 125/150#. <br />3. Provide Flange with 316 Stainless Steel back-up rings or retaining rings for installation. <br />4. Flanged check valve shall be constructed of reinforced all -rubber duck bill check sleeve type. <br />5. Flanged check valve shall have an integral elastomeric flange that will allow the flange to be mounted <br />to a mating flange or wall thimble or directly to a concrete wall. <br />6. Flanged Check Valve shall be <br />7. Products and Manufacturers: <br />a. Red Valve Company, Tideflex Series 35, Flanged Check Valve. <br />b. General Rubber, Series 4200 Flanged Check Valve. <br />c. PROCO Products, Inc., ProFlex Style 710 Flanged Check Valve. <br />d. Or Owner approved equal. Or equal products shall be submitted for evaluation prior to the <br />submission of the quotation for review no more than seven (7) days prior to quotation opening. <br />8. Provide manufacturer's cut sheet with dimensions and product information with submission of <br />Quotation. <br />Version 10/18/2016 Page - 8 Public Works Quote <br />