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E1.1

GHBZ BZ

BID SET

2016

-125

8-31

-17

13

Z Engineers, PLLC

One Fifth Street, Ste 150

Tel: 509.888.9364

Wenatchee, WA 98801www.z-engineers.com

Fax: 509.888.9365

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Call 811

13

KEY NOTES:

HAZARDOUS LOCATIONS - FLOW METER VAULT IS CLASS I, DIV 2 PER

NFPA 820, TABLE 4.2, ROW 31a. ALL INSTRUMENTATION, ELECTRICAL

EQUIPMENT AND INSTALLATION SHALL BE IN ACCORDANCE WITH NEC

ARTICLE 500.

COORDINATE FINAL FLOW METER DISPLAY LOCATION WITH OWNER

PRIOR TO INSTALLATION.

PROVIDE POWER TO FLOW METER FROM EXISTING POWER PANEL.

1

GENERAL NOTES:

1. ALL CONDUIT ROUTING IS NOT SHOWN. ELECTRICAL CONTRACTOR

SHALL DETERMINE THE BEST ROUTING PATH AND CIRCUIT

COMBINATIONS BASED ON FIELD CONDITIONS AND ELECTRICAL

CODES.

2. EQUIPMENT LOCATIONS AND ARRANGEMENT ARE SCHEMATIC.

CONTRACTOR SHALL COORDINATE WITH EQUIPMENT

MANUFACTURER FOR DETAILED CONNECTION REQUIREMENTS AND

PROVIDE MATERIALS AND INSTALLATION FOR A COMPLETE AND

OPERATIONAL SYSTEM.

J

FLOW METER

FLOW METER

DISPLAY

TO EXISTING

120VAC POWER PANEL

2

3

23

1/2" EMT CONDUIT

(2) - #12 THHN

(1) - #12 THHN - GND

1" PVC CONDUIT

(2) - FACTORY CABLES

(ELECTRODE AND COIL)

CLASS I DIV 2 HAZARDOUS

AREA INSIDE FLOW METER

VAULT

MAGNETIC FLOW METER

W/ SUBMERSIBLE KIT

SEE SPECIFICATION

1

NEMA 4X JUNCTION BOX

1/2" LIQUID TIGHT FLEXIBLE CONDUIT

(1) - FACTORY CABLE - ELECTRODE

TO FLOW METER

DISPLAY

1/2" LIQUID TIGHT FLEXIBLE CONDUIT

(1) - FACTORY CABLE - COIL

ELECTRICAL PLAN

SCALE: 1" = 5'

FLOW METER DETAIL

SCALE: NONE

1

E1.1

1

E1.1

FLOW METER

VAULT

TREATMENT

PLANT NO.1

TREATMENT

PLANT NO.2

3-WAY

FLOW SPLITTER

FLOW METER SPECIFICATION:

1. PROVIDE ONE 4" INLINE MAGNETIC FLOW METER FOR RAW WASTEWATER FLOW MEASUREMENT.

2. FLOW METER SHALL BE FM APPROVED FOR CLASS 1 DIV II INSTALLATION.

3. THE UNITS SHALL BE LABELED AND LISTED BY A RECOGNIZED ELECTRICAL TESTING LABORATORY FOR THE APPLICATION, OR

APPROVED BY THE WASHINGTON STATE DEPARTMENT OF LABOR AND INDUSTRIES FOR INSTALLATION ON THE PROJECT.

4. THE FLOW METERS SHALL BE COMPLETE WITH ALL NECESSARY ACCESSORIES AND HARDWARE FOR A COMPLETE AND

OPERATIONAL INSTALLATION.

5. SIGNAL CONVERTER SHALL PROVIDE A PRECISELY ADJUSTED DIRECT CURRENT TO THE PRIMARY FIELD COIL. THE SIGNAL

CONVERTERS SHALL CONVERT THE OUTPUT SIGNAL FROM THE FLOW METERS INTO A 4_20 MA SIGNAL DIRECTLY

PROPORTIONAL TO FLOW RATE.

6. THE SIGNAL CONVERTERS SHALL HAVE AUTOMATIC ZERO CORRECTION.

7. THE ACCURACY SHALL BE ±.5 PERCENT OF THE ACTUAL FLOW RATE.

8. THE SIGNAL CONVERTERS SHALL TRANSMIT AN ISOLATED ANALOG 4_20 MA D_C SIGNAL, DIRECTLY PROPORTIONAL TO FLOW

AND A TOTALIZER CONTACT FOR REMOTE FLOW TOTALIZATION.

9. THE SIGNAL CONVERTERS SHALL BE DESIGNED TO OPERATE FROM A 120 AC, 60 HZ, SINGLE PHASE, POWER SOURCE.

10. THE SIGNAL CONVERTERS SHALL GENERATE POWER FOR THE MAGMETER.

11. EACH METER SYSTEM SHALL BE WET-CALIBRATED AT THE MANUFACTURER'S FACILITY AGAINST THE MASTER SYSTEM. A

CALIBRATION CERTIFICATE SHALL BE FURNISHED FOR EACH METER.

12. PROVIDE GROUNDING RINGS WITH EACH FLOW METER.

13. THE FLOW METER SHALL BE RATED FOR ACCIDENTAL SUBMERGENCE TO 30 FEET FOR A PERIOD OF 24 HOURS.

14. THE MAGNETIC FLOW METERS AND SIGNAL CONVERTERS SHALL INCLUDE THE FOLLOWING MINIMUM COMPONENTS:

a. WALL MOUNT TRANSMITTER

b. FLOW METER TUBE.

c. STANDARD COIL CABLE.

d. STANDARD ELECTRODE CABLE.

e. SUBMERSIBLE KIT.

15. ACCEPTABLE FLOW METER MANUFACTURERS ARE:

a. SIEMENS 5100W METER WITH MAG 5000 TRANSMITTER.

b. ENDRESS+HAUSER PROMAG L400.

c. OTHER MANUFACTURERS MUST BE ENGINEER APPROVED.