3703 RAILWAY AVE KIMBERLY CLARK 2018-01-01 MF Import

osizsio2 ia:zi F+� I�oll . WATER DISTRIBUI'ION An Operatiag Nut Extension sball be installed when the ground surface is more than 24 inches above rhe valve operating nut. T'h�: Operating Nut Extension shall extend into tha top section of the Standard Valve � Box and shall clear the bottom of the lid by a minunum of 10 inches. When required, it shall be furaished and installed b� the conu-actor. At a minimum, valvine shall be installed at al] inter..�ctions, on each end maxim�im spacing of 60) feet, such tbat no more than 75 people would be shutdown. Additional wlving may be required in high densiry azeas. 5-10.2 A.�i AND V��CWM RELEASE VALVES Air and vacuum release ��alves must have prior approval before installation. 5-10.3 BCTTTERFi,7' VA,LVES of easemenu, and in line a[ out of service in any given Butterfly valves sball coi�torm to AWWA C504, Class 150, with cast iron short body and "O" ring stem seal. Bnttertly valves sh;�ll be used for all lines over 8 inches in diameter, except as noted in Section 5-10.5. Butterfly valves in chamt�ers shall have a mutual crank operation. Buried butterfly valves will require valve operator extensions pe: 5ection 5-i0.1 and as shown on Standazd No. 504. , 5-10.4 CHECg VAI�VES Check valves for perma�tent installations other tban cross connecuon conu�ol shall be rated the source pressure, unless othe[wise specified, and shall have adjustable tension lever and spring to provide non- slamming acdon under al:. condirons unless othera�ise specified. For backflow prevendon see Section 5-3. 5-10.5 GA1'E VAT�VES Buried gate valves shal] be iron hody, bronze mounted, resilient seal, nonrising stem suitable for installation with the type and class of pipe being installed. Ends to be equipped with sYandard 2 iach operation nut, and "O" ring stem seals. Valves must be of the type to have two "O". ring• stem seals in the scufFu�e box of the valve to facilitate seal replacement without valve dismanding. Gate valves shall only be •ised for lines 8 inches and smaller, all lines 12 iaches or larger shall�utilize butterfly valves, except a:, approved by LJuliaes. Tliis is also a zequirement for 12 inch tapping valves. Vaives not buried shall be specified on the plans. Two inch gate valvc:s sha11 be super heary duty with resilient seat. Valves shall be Waterous Series 500, M&H 4067, or approved aquai. 5-10.6 VALVE BORI's5 Valve boxes in paved are�s shall be cast iron, t�vo piece units designed with tabs (lugs) on cover, equal to a"Rich No. 94U" as manufactured by Itich or Sather. Use of p]asric extensions zs maaufactured by Handley are acceptable. [n grass or dist areas, use oi plasdc vxive 6oxes, as manufactured by Aandley Indusuies, :ue acceptable. See Standazd Plan No. 504. �5T4KDARDS641 . � . � ReV.1W00