B08_Attach_02_North_Rim_Final_CDs_Volume_03_20261012.pdf
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- 140PP027R0005
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About this file
This document is a set of technical design sheets for Volume 3 (Pipelines – North Rim to Supai Tunnel) of the North Rim Infrastructure Rehabilitation project at Grand Canyon National Park, a UNESCO World Heritage Site. The drawings were prepared by HDR Engineering, Inc., Denver, Colorado, and dated August 2026, with design by N. Humphrey, technical review by B. Luster, and PM Matthew Gough.
The design package includes 19 sheets detailing the freshwater pipeline system extending from North Rim Water Treatment Plant to Supai Tunnel Bottle Fill Station. Key infrastructure components include hydraulic profile and valve schedules; site demolition and erosion control plans; plan and profile sheets covering the pipeline alignment from Station 301+00 to 332+09; enlarged plans for Supai Rest Area pressure reducing valve (PRV) assembly and water filling stations; water spigot and bottle filling station details; air relief valve vault assembly details; and pipeline anchor details. The pipeline consists of 2-inch composite pipe at 4-inch offset from existing 3.5-inch steel waterline, with installation of rock anchors at maximum 275-foot spacing and pipe anchors at 275-foot maximum spacing. Pressure reducing valve located at Supai Rest Area maintains 100/40 PSI inlet/outlet pressure settings. Construction limits show 25-foot width allocations on both sides of the pipeline centerline. Detailed cross-sections, location tables, and specifications for vault assemblies, resthouse connections, and drainage provisions are provided to guide contractor installation and compliance with National Park standards.
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Text version
VOLUME # DESCRIPTION
VOLUME 0 GENERAL
VOLUME 1 PIPELINES - NORTH RIM
VOLUME 2 PIPELINES - NORTH RIM TO ROARING SPRINGS PUMPHOUSE (RSPH)
VOLUME 4 PIPELINES - ROARING SPRINGS CAVE TO ROARING SPRINGS PUMPHOUSE (RSPH)
VOLUME 5 ROARING SPRINGS PUMPHOUSE (RSPH)
VOLUME 6 NORTH RIM WATER TREATMENT PLANT
VOLUME 7 NOT USED
VOLUME 8 NORTH RIM WASTEWATER COLLECTION SYSTEM
VOLUME 9 POWER DISTRIBUTION - NORTH RIM
VOLUME 10 POWER DISTRIBUTION - NORTH RIM TO ROARING SPRINGS PUMPHOUSE (RSPH)
VOLUME 11 POWER DISTRIBUTION - ROARING SPRINGS PUMPHOUSE (RSPH) TO MANZANITA
VOLUME 12 POWER SYSTEM - COTTONWOOD CAMPGROUND
VOLUME 3 PIPELINES - NORTH RIM TO SUPAI TUNNEL
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO.
PMIS/PKG NO.
DRAWING NO.
SHEET
TITLE OF SHEET
OF
A/E FIRM
PRIME:
DENVER, CO 80202
HDR ENGINEERING, INC.
A u to d e s k D o c s /1
N P
S
G R
C A
N
R im U ti lit y
/1
G
E N
E R
A L
.r v t
/7
/2
:2
:0
P M
G001
NORTH RIM - GRAND CANYON NATIONAL PARK
318719
SHEET INDEX
N. HUMPHREY
B. LUSTER
AUG 2026
N. LYNCH
182752030
GENERAL
REHABILITATE NORTH RIM
INFRASTRUCTURE
VOLUME 3 - PIPELINES - NORTH RIM TO SUPAI TUNNEL
WORLD HERITAGE SITE
GRAND CANYON NATIONAL PARK
UNESCO
SHEET SUB SHEET SUB AREA TITLE OF SHEET
1 030G001 GENERAL SHEET INDEX
2 030C101 GENERAL SITE PLAN
3 030D101 GENERAL SUPAI FW HYDRAULIC PROFILE AND VALVE SCHEDULE
4 031X101 FW PIPELINE SITE DEMOLITION PLAN
5 031C101 FW PIPELINE GESC PLAN
6 031C102 FW PIPELINE SHEET MAP
7 031C103 FW PIPELINE PLAN AND PROFILE STA 301+00 TO STA 301+50
8 031C104 FW PIPELINE PLAN AND PROFILE STA 301+50 TO STA 306+95
9 031C105 FW PIPELINE PLAN AND PROFILE STA 306+95 TO STA 312+04
10 031C106 FW PIPELINE PLAN AND PROFILE STA 312+04 TO STA 320+71
11 031C107 FW PIPELINE PLAN AND PROFILE STA 320+71 TO STA 329+00
12 031C108 FW PIPELINE PLAN AND PROFILE STA 329+00 TO STA 322+09
13 031C401 FW PIPELINE SUPAI REST AREA PRV ENLARGED PLAN
14 031C402 FW PIPELINE SUPAI REST AREA WATER FILLING STATIONS ENLARGED PLAN
15 031C501 FW PIPELINE WATER SPIGOT AND BOTTLE FILLING STATION DETAILS
16 031C502 FW PIPELINE AIR RELIEF VALVE VAULT ASSEMBLY PLAN AND SECTIONS
17 031C503 FW PIPELINE RESTHOUSE VAULT ASSEMBLY PLAN AND SECTIONS
18 031C901 FW PIPELINE PHOTO DETAILS
19 031S501 FW PIPELINE PIPELINE ANCHOR DETAILS
GOUGH/LUSTERM. GOUGH
2NORTH RIM - GRAND CANYON NATIONAL PARK 19
DENVER, CO 80202
HDR ENGINEERING, INC.
GOUGH/LUSTER
3NORTH RIM - GRAND CANYON NATIONAL PARK 19
4NORTH RIM - GRAND CANYON NATIONAL PARK 19
SF
CF
SCL
SFSF
CFCF
SCL
5NORTH RIM - GRAND CANYON NATIONAL PARK 19
DENVER, CO 80202
6NORTH RIM - GRAND CANYON NATIONAL PARK 19
7NORTH RIM - GRAND CANYON NATIONAL PARK 19
8NORTH RIM - GRAND CANYON NATIONAL PARK 19
9NORTH RIM - GRAND CANYON NATIONAL PARK 19
10NORTH RIM - GRAND CANYON NATIONAL PARK 19
11NORTH RIM - GRAND CANYON NATIONAL PARK 19
12NORTH RIM - GRAND CANYON NATIONAL PARK 19
13NORTH RIM - GRAND CANYON NATIONAL PARK 19
14NORTH RIM - GRAND CANYON NATIONAL PARK 19
15NORTH RIM - GRAND CANYON NATIONAL PARK 19
16NORTH RIM - GRAND CANYON NATIONAL PARK 19
PRIME:
PM: MATTHEW GOUGH
DENVER, CO
HDR ENGINEERING, INC.
DENVER, CO 80202
72"x48"x36" POLYMER
CONCRETE VAULT
WITH DOUBLE DOOR,
72"x48" TORSION
ASSIST LOCKING LID
1" SCH 40 GLV
STL TO EXIST
FILLING
STATION
FROM WATER
TREATMENT
PLANT
DRAIN
TO WATER
SPIGOT
A
031C503
B
031C503
1' MIN
C
031C503
3' - 0"
60"x48"x36" POLYMER
CONCRETE VAULT WITH
DOUBLE DOOR, 60"x48"
TORSION ASSIST LOCKING LID
2" COMPOSITE (W3)
1" SCH 40 GLV STL
M
IN
M
IN
MIN
1' - 0"
1' - 0"
MIN
12"2' 2'
TO FOUNDATION
6830.42
VAULT BOTTOM
6827.42
1" THD BALL VALVE
1" SCH 40 GLV STL
TO WATER SPIGOT
1/2" THD BALL VALVE W/ 1/2"
PRESSURE GAUGE
CL 6828.00
DRAIN
M
IN6
TO FOUNDATION
6830.42
VAULT BOTTOM
6827.42
1" THD CHECK VALVE
1" THD TEE
1" SCH 40 GLV STL
TO EXIST FILLING
STATION
1" THD BALL VALVE
1" THD TEE
TO DRAIN, SEE SECTION C
TO WATER SPIGOT,
SEE SECTION A
1" RESTRAINED
EXPANSION JOINT
FROM WATER
TREATMENT
PLANT
2"x1" FLGxTHD
SST REDUCER
1" SCH 80 SST PIPE
(7" MIN LENGTH) W/
1/2" THREAD-O-LET
1/2" THD BALL VALVE W/
1/2" PRESSURE
GAUGE (TYP OF 2)
1" SCH 80 SST THD
WYE STRAINER
1" PRV-1
M
IN6
1" SCH 80 SST
THD NIPPLE
PIPE SUPPORT
18"x18"x4" CONCRETE
PIPE SUPPORT PAD
1" RESTRAINED EXPANSION
JOINT W/ INSULATING KIT
(CLASS 300 FLG)
1" SCH 80 GALV
STL W/ THD FLG
1" CLASS 300
THD FLG
031C501
SCH 80 PVC
1" SCH 80 GALV ST
PIPE W/ 1/2"
THREAD-O-LET
PIPE SUPPORT
M
IN6
18"x18"x4"
CONCRETE PIPE
SUPPORT PAD
1" CLASS 300
THD FLG
CL 6828.02
1" SCH 80 SST THD
NIPPLE W/ CL 300
SST THD FLG
TO FOUNDATION
6830.42
VAULT BOTTOM
6827.42
1" THD CHECK VALVE
DRAIN 1
IE 6827.53
1" THD 90 DEG ELBOW
ASCALE 1" = 1'-0"
1 0 1 2
SCALE OF FEET
DATE:
DESIGNED:
TECH. REVIEW:
SUB SHEET NO.
PMIS/PKG NO.
DRAWING NO.
SHEET
TITLE OF SHEET
OF
A/E FIRM
PRIME:
PM: MATTHEW GOUGH
DENVER, CO
HDR ENGINEERING, INC.
A u to d e s k D o c s /1
N P
S
G R
C A
N
R im U ti lit y
/1
P
R V
V A
U L T
U
.r v t
/1
/2
:1
:2
P M
C503
NORTH RIM - GRAND CANYON NATIONAL PARK
318719
RESTHOUSE VAULT
ASSEMBLY PLAN AND
SECTIONS
N. HUMPHREY
B. LUSTER
MAY 2026
C. CONFER
182752031
FW PIPELINE
SCALE A
031C503
1 PRV VAULT PLAN
GENERAL NOTES
SUPAI TUNNEL REST AREA 690/100
LOCATION PRV 1 (PSI)
INLET PRESSURE/OUTLET PRESSURE SETTING SCHEDULE
SCALE A
031C503
A SECTION
SCALE A
031C503
B SECTION
KEY NOTES X
SCALE A
031C503
C SECTION
A. INLET PRESSURES SHOWN IN THE SCHEDULE
ARE BASED ON NORMAL OPERATING FLOW.
OUTLET PRESSURE SETTINGS ARE THE SAME
FOR ALL FLOW CONDITIONS.
B. CONTRACTOR / MFR TO EVALUATE &
DETERMINED PRV SIZING AND CONNECTIONS
FOR THE PRODUCT BEING SUPPLIED BASED ON
REQUIREMENTS SHOWN IN SCHEDULE.
C. PIPE, VALVE & FITTING SIZE TO MATCH SIZE OF
PRV SUPPLIED.
1. SEE 031C401 FOR CONTINUATION OF PIPING.
17NORTH RIM - GRAND CANYON NATIONAL PARK 19
DENVER, CO 80202
19198NORTH RIM - GRAND CANYON NATIONAL PARK
19NORTH RIM - GRAND CANYON NATIONAL PARK 19
R e g is t e r e d
P r of essional En g in e e r
(C iv il)
A
RIZONA, U.S
.A
CE
RT
IFICATE NO.
D a t e Signed ...
22198
NICHOLAS J.
LAFRONZ
5- 1-
DENVER, CO 80202
| VOLUME 3 - PIPELINES - NORTH RIM TO SUPAI TURNNEL |
| 030 - GENERAL SHEETS |
| 030 G001 - SHEET INDEX |
| 030 C101 - SITE PLAN |
| 030 D101 - SUPAI FW HYDRAULIC PROFLE AND VALVE SCHEDULE |
| 031 FW PIPELINE DEMOLITION |
| 031 X101 - SITE DEMOLITION PLAN |
| 031 FW PIPELINE SHEETS |
| 031 C101 - GESC PLAN |
| 031 C102 - SHEET MAP |
| 031 C103 - PLAN AND PROFILE STA 301+00 TO STA 301+50 |
| 031 C104 - PLAN AND PROFILE STA 3014-50 TO 3064-95 |
| 031 C105 - PLAN AND PROFILE STA 3064-95 TO 3124-04 |
| 031 C106 - PLAN AND PROFILE STA 312+04 TO 320+71 |
| 031 C107 - PLAN AND PROFILE STA 320+71 TO 329+00 |
| 031 C108 - PLAN AND PROFILE STA 3294-00 TO 3324-09 |
| 031 C401 - SUPAI REST AREA PRV ENLARGED PLAN |
| 031 C402 - SUPAI REST AREA WATER FILLING STATIONS ENLARGED PLAN |
| 031 FW PIPELINE DETAILS |
| 031 C501 - WATER SPIGOT AND BOTTLE FILLING STATION DETAILS |
| 031 C502 - AIR RELIEF VALVE VAULT ASSEMBLY PLAN AND SECTIONS |
| 031 C503 - RESTHOUSE VAULT ASSEMBLY PLAN AND SECTIONS |
| 031 C901 - PHOTO DETAILS |
| 031 S501 - PIPELINE ANCHOR DETAILS |
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