Standards World

ANSI AWWA G520-17 pdf free download - Wastewater Collection System Operation and Management 4.3.1.2 Collection system improvement planning. Te utility shall annu- ally assess the need for long-term requirements for capital improvements. Te plan shall include, at...

ANSI AWWA G481-14:2020 pdf free download - Reclaimed Water Program Operation and Management 4.2.1 Program performance goals. The purveyor shall establish goals for reclaimed water quality, plant efficiency, and distribution system performance, independent of those specified by...

ANSI AWWA F120:2018 pdf free download - Ozone Systems for Water 4.2.2.1 Production requirements. Purchaser shall provide ozone production requirements for the facility. The production requirements shall include the minimum, rated, and maximum production rates at the...

ANSI AWWA C905-10 pdf free download - Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings, 14 In. 18. Recurring (cyclic) surge pressure (P RS ): Surge pressures that occur fre- quently and are inherent to the design...

ANSI AWWA C904-16 pdf free download - Crosslinked Polyethylene (PEX) Pressure Tubing, ½ In. (13 mm) Through 3 In. (76 mm), for Water Service 6. Purchaser: Te person, company, or organization that purchases any materials or work...

ANSI AWWA C800-14 pdf free download - Underground Service Line Valves and Fittings 4.3.7 Main size versus outlet size. Service saddles with a 2-in. (50.8-mm) outlet shall not be used on a 2-in. (50.8-mm) main. 4.3.8 Pipe...

ANSI AWWA C750-19 pdf free download - Transit-Time Flowmeters in Full Closed Conduits Sec. 1.1 Scope This standard describes transit-time ultrasonic flowmeters for water supply service application in pipes running full. An ultrasonic flowmeter is a meter...

ANSI AWWA C507:2018 pdf free download - Ball Valves, 6 In. Through 60 In. (150 mm Through 1,500 mm) Sec. 1.2 Purpose The purpose of this standard is to provide the minimum requirements for 6-in. through 60-in....

ANSI AWWA C507-18 pdf free download - Ball Valves, 6 In. Through 60 In. (150 mm Through 1,500 mm) General. The actuating forces required to operate a ball valve of a given size vary considerably and depend...

ANSI AWWA C500-19 pdf free download - Metal-Seated Gate Valves for Water Supply Service This standard describes iron-body, metal-to-metal seated, nonrising- stem (NRS) gate valves, including tapping gate valves, 3 in. (75 mm) through 72 in. (1,800...