Other tools NBS offers a range of tools for specification and collaboration National BIM Library The most trusted BIM Library in the UK, certified to the internationally-recognised NBS BIM Object Standard Uniclass 2015 A dynamic and unified classification system for the construction industry covering all sectors Construction Information Service (CIS) A comprehensive online collection of construction related standards, regulations, technical advice and articles Plug-ins NBS provides a range of tools to help connect your CAD model to your specification model
Platform Resources Support Events About TheNBS.com Manufacturers Uniclass 2015 Get in touch

Platform

NBS Chorus Features and pricing Book a demonstration Sign in to NBS Chorus Other tools National BIM Library Uniclass 2015 Construction Information Service (CIS) Plug-ins

Resources

Knowledge Sample Specification Case studies Authors

Support

Training Downloads and updates

About

About NBS Newsroom

Platform

NBS Chorus Features and pricing Book a demonstration Sign in to NBS Chorus Other tools National BIM Library Uniclass 2015 Construction Information Service (CIS) Plug-ins

Resources

Knowledge Sample Specification Case studies Authors

Support

Training Downloads and updates

About

About NBS Newsroom

American Water Works Association

Founded in 1881, the American Water Works Association is an international, non-profit, scientific and educational society dedicated to assuring the effective management of water.

6666 W Quincy Avenue
Denver
AWWA
USA
Website: www.awwa.org
Email: service@awwa.org
Tel: +1 303 794-7711

Documents by this publisher

Page 3 of 5

Series details Title Year Status
AWWA C219-23 Bolted sleeve-type couplings for plain-end pipe 2023 Current
AWWA C300-16 Reinforced concrete pressure pipe, steel-cylinder type 2016 Withdrawn
AWWA C300-22 Reinforced concrete pressure pipe, steel-cylinder type 2022 Current
AWWA C301-14 Prestressed concrete pressure pipe, steel-cylinder type 2014 Current
AWWA C303-17 Concrete pressure pipe, bar-wrapped, steel-cylinder type 2017 Withdrawn
AWWA C500-19 Metal-seated gate valves for water supply service 2019 Current
AWWA C502-18 Dry-barrel fire hydrants 2018 Withdrawn
AWWA C504-15 Rubber-seated butterfly valves 2015 Withdrawn
AWWA C504-23 Rubber-seated butterfly valves 2023 Withdrawn
AWWA C508-17 Swing-check valves for waterworks service, 2-in. through 48-in. (50-mm through 1,200-mm) NPS 2017 Current
AWWA C509-15 Resilient-seated gate valves for water supply service 2015 Withdrawn
AWWA C509-23 Resilient-seated gate valves for water supply service 2023 Current
AWWA C510-17 Double check-valve backflow prevention assembly 2017 Current
AWWA C511-17 Reduced-pressure principle backflow prevention assembly 2017 Current
AWWA C516-21 Large-diameter rubber-seated butterfly valves, sizes 78 in. (2,000 mm) and larger 2021 Current
AWWA C518-24 Double-disc, swing-check valves for waterworks service, 2 in. through 48 in. (50 mm through 1,200 mm) NPS 2024 Current
AWWA C541-16 Hydraulic and pneumatic cylinder and vane-type actuators for valves and slide gates 2016 Current
AWWA C542-16 Electric motor actuators for valves and slide gates 2016 Current
AWWA C550-17 Protective interior coatings for valves and hydrants 2017 Withdrawn
AWWA C550-24 Protective interior coatings for valves and hydrants 2024 Current

Page 3 of 5