B09_Amd8_-_QR56_Attach_Drawing_02-C2_18_Dec2025_0008.pdf
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- Solicitation number
- 140P2025R0082
About this file
This is an engineering plan and profile drawing for a water infrastructure project at Death Valley National Park. The drawing depicts the Cow Creek Water system improvements extending from Old Ghost Road to RO 143, prepared for PMIS/PKG No. 178069. The project involves installation of 8-inch HDPE (High-Density Polyethylene) water main piping with a DR 11 specification, designed to tie into an existing hydrant at Skyline Drive. The drawing includes detailed plan and profile views showing the water main routing, elevation changes, and integration points with existing infrastructure.
Key infrastructure elements shown include multiple gate valves (at stations CW 257+69.61, CW 257+75.62), 8" x 6" hydrant tees (at stations CW 257+72.58, CW 258+61.73), 90-degree bends, and utility crossings for sewer services, underground power, natural gas, and a 1-inch water service connection. The profile indicates approximately 3.91 feet of cover for the water main with a minimum required cover of 2.50 feet, with specification of 18-inch vertical separation to be maintained from other utilities. The design includes provisions to protect existing trees and hydrants in place within the disturbance limits. The drawing was designed and technically reviewed by L. Ottey and M. Whelehon, respectively, dated January 17, 2025, and represents Sheet 02 of the project documentation.
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BEGIN CURVE:
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DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO.
PMIS/PKG NO.
DRAWING NO.
SHEET
OF
TITLE OF SHEET
COW CREEK WATER
PLAN & PROFILE
OLD GHOST ROAD TO RO
178069
111 513
L. OTTEY
L. OTTEY
M. WHELEHON
1.17.2025
DEATH VALLEY
NATIONAL PARK
318717 02-
C2.18
PLAN
PROFILE
KEY MAP
NTS
APPROXIMATE EXISTING
GROUND SURFACE
SEE SHEET C2.50
8'' HDPE DR 11
TIE INTO EXISTING HYDRANT AT THE
SHOE PROTECT EXISTING HYDRANT IN
PLACE
AC
C
ES
S
R O
AD
SKYLINE DRIVE
SEE SHEET C5.25
EXISTING UNDERGROUND
POWER LINE
EDGE OF
PAVEMENT
EXISTING WATER LINE
EXISTING WATER LINE
DISTURBANCE
LIMIT 50'
3.91' COVER
(MIN. COVER = 2.50')
D C3.12
SEE SHEET C2.17
SE
E
SH
EE
T C
2.
8" HDPE DR 11
WATER MAIN
PROTECT TREE IN PLACE
(TYP. ALL TREES WITHIN
DISTURBANCE LIMIT UNLESS
CALLED OUT ON SHEET X1.1)
B C3.15
B C3.16
MAINTAIN 18" VERTICAL SEPARATION
B C3.16
WATER MAIN
A C3.12
A C3.12
CONTRACTOR TO CONFIRM
THERE IS A WATER SERVICE
FROM VALVE INTO BOTH
NHA AND CHP BUILDING
C C3.14
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