NMWD
STANDARD
NO.

 
DESCRIPTION

1

TRENCH SECTION

2

VALVE RISER

3

CONCRETE THRUST BLOCKING

4

CONCRETE ANCHOR BLOCKS FOR VERTICAL BENDS

5

TYPICAL FIRE HYDRANT INSTALLATION

6

2” BLOW-OFF ASSEMBLY

7

6” BLOW-OFF ASSEMBLY

8

WATERLINE INSTALLATION THROUGH CASING

9

STANDARD FLANGE OUTLET WITH COLLAR PLATE REINFORCEMENT

10

TYPICAL STEEL WATERMAIN LOWERING

11

CABLE BONDING JUMPER INSTALLATION

12

SACRIFICIAL ANODE INSTALLATION

13

TELEMETRY CABLE CONDUIT AND PULL BOX

14

4” STEEL MANIFOLD ASSEMBLY FOR MULTIPLE WATER SERVICE INSTALLATIONS

15

STANDARD WATER SERVICE INSTALLATION

16

DUAL 5/8” WATER METER INSTALLATION

17

FIRE SERVICE BELOW GRADE (DCDA) 2 1/2” THROUGH 8”

18

BELOW GRADE BACKFLOW PREVENTER ¾” AND 1”

19

ABOVE GRADE BACKFLOW PREVENTER ¾” THROUGH 2”

20

SIGN FOR HIGH PRESSURE WATERLINE

21

PROTECTION BARRIER FOR FIRE HYDRANT

22

VALVE MARKINGS

23

LEAKAGE CHART

24

SYMBOLS AND ABBREVIATIONS

25

APPROXIMATE DEPTH OF WATERMAIN FROM VALVE NUT

26

STANDARD AIR RELIEF VALVE INSTALLATION 1” TO 4” IN SIZE

27

SAMPLE STATION

28

TYPICAL PRESSURE REGULATING VALVE (PRIVATE RESIDENCE)