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a. Nominal Size (O .D . Base) b . Dimension Ratio (for wall thickness) C , Manufacturer Name and Product Series d. Cell Class e. ASTM Basis f. Pipe Test Category g. Plant Identification h. Production Date i . Operator Number (Shift Letter optional) j . Resin Supplier Code Be Fittings: 1 . All underground fittings shall be ductile iron with mechanical or manufacturer' s mechanically restrained joints. Fittings shall be compact ductile iron conforming to AWWA C 153 . The fittings shall be lined and coated in accordance with the ductile iron pipe specification. Fittings shall have a minimum pressure rating of 350 psi. All fittings and the appropriate number of downstream and upstream joints must be restrained. 2. Unless otherwise indicated on the Drawings, all above ground fittings or fittings in 1� boxes shall be ductile iron flanged fittings, conforming to AWWA-C110 Standards. The fittings shall be lined and coated in accordance with the ductile iron pipe specification. 3 . Where indicated on the Drawings, HDPE fittings shall be in accordance with ASTM D 3261 and shall be manufactured by injection molding, a combination of extrusion and machining, or fabricated from HDPE pipe conforming to this specification. The fittings shall be designed for a working pressure of 160 psi. The fittings shall be manufactured from the same resin type and cell classification as the pipe itself. The fittings shall be homogeneous throughout and free from cracks, holes, foreign inclusions, voids, or other injurious defects. All fittings shall be constructed to have a minimum D.R. 11 sidewall thickness. C. Joints : 1 . Standard joints for ductile iron pipe shall be bell and spigot, rubber gasket, compression, push-on type as specified in AWWA C111 (ANSI A21 . 11 ). 2 . Flanged joints shall utilize NST threaded flanges and pipe barrels conforming to AWWA specification C115 . Flanged joints through 12-inches shall be rated for a working pressure of 350 psi. Bolt pattern and hole sizes shall comply with ANSI B16. 1 , Class 125 . Each flange joint shall have a 1 /8-inch thick, full-faced, rubber gasket. Size, length and number of bolts shall conform to AWWA C115 . Bolts and nuts shall be stainless steel, series 304 or 316 . 3 . Mechanical joints shall be used on all underground fittings for changes in horizontal or vertical alignment on all runs of pipe. All mechanical joints shall be restrained in accordance with AWWA C111 . 4, Restrained Joints - Fittings used for changes in alignment of pipe shall be mechanically restrained. As indicated on the drawings, pipe lengths located r upstream and downstream of restrained fittings shall also be restrained. Method of joint restraint shall be as follows : 02539-10 02539 - Submersible Pump Station (Rev.)