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2 . Fittings : Buried fittings shall be AWWA approved mechanical joint fittings . Exposed <br /> fittings shall be flanged fitting or as detailed on the drawings . Conform to AWWA <br /> C153 . <br /> 3 . The internal surface of all piping and fittings shall be cement mortar lined and seal <br /> coated in accordance with AWWA C104 , A21 , unless other noted on plans or in <br /> Table 15100 - 1 . <br /> 4 . Special linings : Pipe , joints , and fittings designated to be lined shall have an 8 . 0 -- <br /> 10 . 0 mil (DFT) coating on all wetted surfaces . Material shall be ANSVNSF std 61 <br /> certified , polyamide , two-part epoxy for exposure to potable water . Coating shall be <br /> Pota -Pox , Series 20 as manufactured by Tnemec , or equal . <br /> 5 . Restrained joint pipe shall be ductile iron Class 53 , American Cast Iron Pipe Co . , <br /> Lok-Fast or approved equal . Restrained joint pipe shall be constructed on all new <br /> watermains adjacent to all bends, crosses, tees, etc . , where a change in direction <br /> occurs . Refer to Indian River County Minimum Design Standards for restrained pipe <br /> lengths . All fittings 16" and larger shall be restrained and shall include 3 full pipe <br /> lengths of restrained pipe and beyond fittings . <br /> 6 . Victaulic fittings shall be ductile iron AWWA cast fittings with rigid radius grooves in <br /> accordance with AWWA C110 for center-center dimensions and AWWA C153 or <br /> ANSI 21 . 1 for wall thickness . Fittings shall be interior coated with NSF listed coating <br /> with a SSPC-SPA equivalent surface preparation prior to coating. Fittings which need <br /> to be tapped shall meet ANSI B 16 . 1 dimension locations . <br /> 7 . Couplings shall be ductile iron grooved end couplings suitable for performance on <br /> steel, stainless steel, and PVC schedule pipe. Couplings shall be galvanized style 77 <br /> flexible couplings, as manufactured by Victaulic, or equal . <br /> Be Stainless Steel Tubing: Tubing for sizes 1 -inch and smaller shall be seamless austenitic <br /> stainless , grade TP 316L conforming to ASTM MA-632 . Furnish Swagelok 316 stainless <br /> compression fittings, or equal . <br /> C. Black Iron Pipe: Extra heavy, schedule 80 black iron pipe with screwed joints and fittings . <br /> D . Steel Pipe: ASTM A53 , Schedule 20, 40 <br /> 1 . Steel pipe shall conform to ASTM A53 , Grade B , seamless or electric resistance <br /> welded. Pipe shall meet the requirements of ASME B31 .34996 Process Piping code <br /> edition. <br /> 2 . Pipe flanges and fittings shall meet ASME 1316. 54996. <br /> 3 . Flanges to be Class 150 , raised face, serrated finish, forged steel, slip-on with 1504b. <br /> drilling. <br /> 4 . All pipe sizes up to 12" NPS shall be schedule 40, 12" can be schedule 20 minimum. <br /> i <br /> 044572017 <br /> 15100-4 <br />