The manual also provides sample record-keeping forms, a history of water use measurement, and the development of modern water meters. New and replacement construction • DI - AWWA C151, Class 52 • PVC - AWWA Meter Equivalent Units are a ratio based unit that derive their value for each meter size based on the ratio of that meter size's . AWWA Standard water meter; Product Description; PD meter is an oscillating piston style, positive displacement water meter . CALCULATION OF EQUIVALENT DWELLING UNITS (EDU's) The purpose of this worksheet is to determine EDUs for RD funding determinations only. Since the 5/8" x 3/4" water meter is the most frequently used meter by the residential . This manual discusses recommended practices; it 90.0 gpm 9.00 This preliminary calculation may be adjusted either upward or downward based upon the first six months of truly representative water usage. Water Meter Sizing per AWWA M22, Third Edition Project: STRAP #(s): Address: City: State: Zip Code: Type of Occupancy: Fixture Fixture Value 60 psi No. This method is not recommended for sizing In the 1990s, singlejet technology was introduced from europe. RESIDENTIAL UNIT EQUIVALENTS BY METER SIZE AVAILABLE: To customers of the Utility in the areas of Crook and Deschutes Counties. Once the meter size is known, equivalent units are assigned which mirror the hydraulic ratio of that particular meter size to the baseline 1" meter size. Each number is based on the maximum safe flow capacity in gallons per minute, relative to a base 5/8 x 3/4-inch meter. Not allowed for replacement construction. Non-Metered System. AWWA standards include treatment chemicals, pipes, valves, hydrants, meters, pumps, storage tanks, and wells, and services such as disinfection of pipe and facilities, pipe installation, and pipeline rehabilitation and repair. Through the work of this committee, the first AWWA M1 manual, Water Rates Manual, was published in 1954. Water - Birdsboro Municipal Authority. This manual contains information needed to estimate customer demand and maximum expected flow that can be used to size new service lines and meters. Participates in long range planning and . AWWA Meter Size Equivalents & Flows ( PDF / 33 KB ) Subdivision Notice ( PDF / 8 KB ) News Advisory - Water Restrictions 2/26/2015 ( PDF / 81 KB ) One (1) Tap Equivalent "TE" is 0.5 acre-feet per year. The minimum flow rates at which meters are required to be tested have not changed since the first AWWA standard for cold water meters was proposed in 1921. . The 8" x 2" and 10" x 2" FireLine Meter Assemblies use Sensus Series "W" Turbo Meters which provide an . • Added Chart on Determining Type of Pipe Material Section 8 - Horizontal Alignment. A schedule of equivalent water units relates types of commercial and public facilities to the average usage of a single-family residence. Salary: $19.33 - $26.46 Hourly $1,546.40 - $2,116.80 Biweekly $40,206.40 - $55,036.80 Annually Job Summary This position serves as lead operator on line and meter projects for the Shelby County Water Services Department. 23147 M21 Groundwater Third Edition 2003 AWWA 23148 M22 Sizing Water Service Line and Meters 1975 AWWA [Filename: AWWA.PDF] - Read File Online - Report Abuse Design of Potable Water Plumbing Systems - CED Engineering Guidelines for Service Line and Meter Capacities Service Flows from DWD Internal Study of Various Code Capacities Meter Flows from AWWA Manual M-22 Updated 6/11/10 Tap/Meter/Service Sizing Maximum rated Velocity is 10 ft/sec Diameter Maximum Flow High Normal Meter Flows (3) Associated BFP Diameter @ 10 ft/sec @ Velocity 10 ft/sec (1,2) Meter Type per minute is equivalent to 360 . Flange fittings AWWA C104 AWWA C110. TRWA RECOMMENDED 5/8 X 3/4 METER EQUIVALENTS … trwa recommended 5/8" x 3/4" meter equivalents based on awwa specifications and design criteria meter size recommended continuous residential meter rate of flow equivalents 5/8" x 3/4" 10.0 gpm 1.00 3/4" 15.0 gpm 1.50 l" 25.0 gpm 2.50 1 1/2" 50.0 gpm 5.00 2" 80.0 gpm 8.00 Glands for MJ fittings shall be ductile iron and tee bolts shall be Cor-Ten steel. The new plant uses Membrane Filtration Technology. • Alternate electrical grounding required. Pipes are made of a wide variety of materials - like galvanized steel, black steel, copper, cast iron, concrete, and various plastics such as ABS, PVC, CPVC, polyethylene, polybutylene and more. The filters used are similar to a mesh screen. To ensure accuracy, each meter must be accompanied by a factory test tag certifying the accuracy at the flows required by AWWA C700. Licenses and Certificates: Texas Class "C" Driver's License or equivalent from another state. Construction of the new water treatment plant was completed in 2014. The committee personnel, largely made up of competing meter manufacturers, conceded and agreed the Single Jet type meter to be a viable and accurate instrument to measure water. Valve types other than those defined by above description may be used if equivalent. The These magnetic drive meters comply with ANSI/ AWWA Standard C700-90. tain, and expand their water systems. Badger Meter is an industry-leading innovator in flow measurement, water quality and control products, serving water utilities, municipalities and commercial and industrial customers worldwide. (AWWA) M1 Manual, each meter size has a corresponding number of meter capacity equivalents. These meters are covered in A nSI/ AWWA C712, Standard for Cold‑Water Meters—Singlejet Type, the first edition of Step 16: If the service is combined, determine the fire service and distribution pipes sizes per construction code requirements or by hydraulic calculations in accordance with NFPA 13D, NFPA 13R, or NFPA 13, as applicable. to AWWA C110, AWWA C104, and AWWA C153. American Water Works Association, Jan 12, 2011 - Water - 286 pages 1 Review AWWA's most popular handbook for distribution operators, this handbook provides a complete introduction to water distribution system operation and equipment. (or equivalent) for use in . 1" service: 12" x 20" box DFW486WBC4-12-BODY DFW486C-4CA-LID 2" service: 17" x 30" box DFW1730C4-12-BODY DFW1730C-4CA-LID By MW&L approval only DFW Plastics Or MW&L approved equivalent. Performs permit required confined space entries into manholes, wet wells, check valve vaults, meter vaults, and related water and sewer appurtenances. It is not a specification. "equivalent residential unit" (ERU) as a basis for this comparison. The current rate charges / meter equivalents almost line up with the AWWA M‐22 Manual on setting rate charges, which is considered one of the industry standards. = every 5 years. The following commercial, non-residential or multi- • Added continuity test stations for PVC AWWA C-900 pipe. • All information is from AWWA/ANSI C150/A21.50-91Standards, tables 50.5 and 50.15. C900 pipes and fittings must comply with the Safe Drinking Water Act requirements, meaning for potable water transmission and distribution. By multiplying the MCE ratio and the number of meters in each size, 2,023 meters equates to 3,074 meter capacity equivalents. This standard describes the various classes of cold-water turbine meters in sizes 3/4 in. Scenario B: Meter Capacity Equivalents [b] 25,222 30,131 119.46% Scenario C: Maximum Day GPM 13,951 16,667 119.46% [a] Max day to average day demand ratio = 2.05 per Master Plan [b] Based on AWWA Meter Capacity Ratios Customer Base Calculations System Parameter Existing Future Growth Factor For nonresidential service connections, the peak daily customer demand is equal to the "Safe Maximum Operating Capacity" as specified on Table 1 of AWWA C700-02, AWWA C701-02, AWWA C702-01, or AWWA C703-96(R04). 6) Water mains shall be constructed of C900AWWA PVC, minimum - DR . METER BOX VAULT, 3" - 10" METER trwa recommended 5/8" x 3/4" meter equivalents based on awwa specifications and design criteria meter size recommended continuous residential meter rate of flow equivalents 5/8" x 3/4" 10.0 gpm 1.00 3/4" 15.0 gpm 1.50 l" 25.0 gpm 2.50 1 1/2" 50.0 gpm 5.00 2" 80.0 gpm 8.00 3" disp. EXPLORE The meter utilizes a pistonthat water flow rotates in a measuring chamber , each piston revolution being equivalent to a known volume of water . All meters shall be warranted as follows: Size Low Flow Low Flow New Meter Accuracy Low Flow Repaired Meter Accuracy 5/8" 1/8 gpm @ 95% 5 yrs or 500,000 gallons 15 yrs or 1,500,000 gallons ¾" 1/4 Turbo-Meters * Laying length of W-160 with screwed ends is 12". The meter equivalent ratios are standard factors used by AWWA. AWWA's most popular handbook for distribution operators, this handbook provides a complete introduction to water distribution system operation and equipment. B11-777-HT-67 FORD METER BOX CO., INC. HT-34, ¾" and 1" straight ball valves with handle NOTES: 1. For this purpose, an EDU is the level of service in gallons per day for an average residential dwelling. Sizing Water Service Lines and Meters (AWWA Manual M22, Second Edition).
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