B09_Amd8_-_Drawing_00-C3_18_Dec2025_0008.pdf
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- Solicitation number
- 140P2025R0082
About this file
This is a technical drawing specification sheet for water infrastructure details at Death Valley National Park, specifically the Water and Wastewater System Rehabilitation project. The drawing (Sheet C3.18, Drawing 178069) provides detailed specifications for valve and valve box tracer wire installations, duckbill check valve assemblies, and water meter valve configurations.
The valve and valve box tracer wire details specify a plan and section view configuration utilizing blue and red tracer wires with 1.5 LB 12 GA magnesium ground rods, PVC tape, three-way connectors, and two-terminal switchable access points for locating HDPE water main infrastructure. The duckbill check valve detail includes a ROMAC coupler on existing pipe with metal serrated gaskets, split backup retaining ring, and stainless steel 24-mesh screen, with notes requiring riprap restoration and ensuring drain outlets maintain 18 inches minimum above grade. The water meter valve detail specifies a configuration with 4-inch gate valves, Badger MAG meter, pressure gauges, sample taps, and ductile iron fittings meeting ANSI/AWWA standards C110/A21.10 and C115/A21.15, with interior coating meeting NSF-61 standards and exterior 2-part epoxy coating. The assembly includes a Shelterworks clamshell enclosure or approved equal with 3/4-inch crushed gravel drainage base one foot below the enclosure bottom.
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Text version
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/17 /25
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DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO.
PMIS/PKG NO.
DRAWING NO.
SHEET
OF
TITLE OF SHEET
WATER DETAILS 143
178069
172 513
DJ&A
DJ&A
M. WHELEHON
1.17.2025
DEATH VALLEY
NATIONAL PARK
318717 00-
C3.18
NTS
C3.18
VALVE & VALVE BOX TRACER WIRE PLAN VIEW
FINISHED
GRADE
TWO-TERMINAL
SWITCHABLE
ACCESS
POINT
COIL UP TO 3' OF
EXTRA BLUE WIRE IN
ACCESS POINT
TRACER WIRE, BLUE
GROUND ROD
TRACER WIRE,
RED
1.5 LB 12 GA MAGNESIUM
GROUND ROD
VALVE
BOX
PVC
TAPE
THREE-WAY
CONNECTOR
HDPE WATER
MAIN
1.5 LB 12 GA MAGNESIUM
GROUND ROD
PVC
TAPE
TWO-TERMINAL SWITCHABLE
ACCESS POINT
GROUND ROD
TRACER WIRE,
RED
TRACER
WIRE,
BLUE
NOTES:
TBD
VALVE
BOX
LID
NTS
C3.18
VALVE & VALVE BOX TRACER WIRE PLAN VIEW
NTS
C3.18
VALVE & VALVE BOX TRACER WIRE SECTION VIEW
ROMAC
COUPLER ON
EXISTING PIPE GASKET
METAL SERRATED
GASKET
SPLIT BACKUP
RETAINING RING
DUCKBILL CHECK VALVE
STAINLESS STEEL
24-MESH SCREEN
CHECK VALVE NOTES:
1. RESTORE RIPRAP AT OUTLET LOCATION AS NEEDED
2. ENSURE DRAIN OUTLETS ARE 18" MINIMUM ABOVE GRADE.
NTS
A
C3.18
DUCKBILL CHECK VALVE DETAIL
23' - 78"
2'
1"
WATER METER NOTES:
1. FITTINGS ARE DUCTILE IRON IN ACCORDANCE WIT
HANSI/AWWA C110/A21.10. FLANGES ARE ANSI CLASS 125,
B16.1.
2. 3" PIPE AND LARGER ARE DUCTILE IRON IN ACCORDANCE
WITH ANSI/AWWA C115/A21.15. FLANGES ARE ANSI CLASS
125, B16.1.
3. DUCTILE IRON PIPE & FITTINGS INTERIOR COATING MEETS
THE REQUIREMENT OF NSF-61 STANDARD. EXTERIOR
COATING TO BE A 2-PART EPOXY.
SAMPLE TAP
4'' GATE VALVE
PRESSURE GAUGE 4'' BADGER MAG METER
4'' GATE VALVE
PIPE SUPPORTS
TYP.
SHELTERWORKS CLAMSHELL
ASSEMBLY OR APPROVED
EQUAL
4'' GATE VALVE
4'' GATE VALVE
4'' CRUSHED GRAVEL
1-FOOT BELOW BOTTOM
OF ENCLOSURE TO
ALLOW FOR DRAINAGE
PRESSURE GAUGE 4'' BADGER MAG METER
4'' DI BLIND
FLANGE ON
TEE
SAMPLE TAP
SHELTERWORKS
CLAMSHELL ASSEMBLY
OR APPROVED EQUAL
NTS
B
C3.18
WATER METER VALVE DETAIL1
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