Glendora City Council
June 16, 2026

CITY OF GLENDORA

WATER MASTER PLAN
Existing Minimum Demand
Maximum Pressures
Figure 9-1
³
0 1,100 2,200 4,400
Feet
Water Pipes
") Wells
#* Pump Stations
&- Storage Reservoirs
!( Pressure Regulating Station
Zone 1RA
Zone 1RB
Zone 1
Zone 1A
Zone 1B
Zone 1BH1
Zone 2
Zone 2H1
Zone 2H2
Zone 3
Zone 3A
Zone 3B
Zone 3C
Zone 3C1
Zone 3D
Zone 4
Zone 4A
City Boundary
Legend
Maximum Pressures
!( 0-40 psi
!( 41-60 psi
!( 61-80 psi
!( 81-100 psi
!( 101-120 psi
!( 121-140 psi
!( 140-150 psi
Item #1. Page 189
Meeting Date: 9/12/2023 / Packet Page #: 192
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Arrow Hwy
Valley Center Ave
Arrow Hwy
Lone Hill Ave
Amelia Ave
Cataract Ave
Foothill Blvd
I-210
I-210
Alosta Ave
Grand Ave
Barranca Ave
Mauna Loa Ave
Baseline Rd
I-210
Foothill Blvd
Sierra Madre Ave
Sierra Madre Ave
Foothill Blvd
State Rte 66
Grand Ave
Loraine Ave
Gladstone St
Gladstone St
Glendora Ave
SR-57
Palm Dr
San Gabriel Ave
Foothill Blvd Citrus Ave
I-210
1st St
Vernon Ave
Azusa Ave
Lark Ellen Ave
Cerritos Ave
Bonnie Cove AveSunflower Ave
Live Oak Ave
Big Dalton Cyn Rd
San Gabriel
Irwindale
(Inactive)
San Gabriel
Well 5
Well 8, 9, 12
Vosburg
Well
(Inactive)
Well 3 & 4
(Inactive)
Irwindale
(Inactive)
City of Azusa
Service Area
Suburban Water
Service Area
Suburban Water
Service Area
Citrus Ave
Transmission Main from Irwindale
(Inactive)
Transmission Main from Vosburg Well
(Inactive)
Suburban Water
Service Area
PROJECT NO: 0201782.00
DATE: April 2023

CITY OF GLENDORA

WATER MASTER PLAN
Existing Maximum Demand
Maximum Velocities
Figure 9-2
³
0 1,100 2,200 4,400
Feet
Water Pipes
") Wells
#* Pump Stations
&- Storage Reservoirs
!( Pressure Regulating Station
Zone 1RA
Zone 1RB
Zone 1
Zone 1A
Zone 1B
Zone 1BH1
Zone 2
Zone 2H1
Zone 2H2
Zone 3
Zone 3A
Zone 3B
Zone 3C
Zone 3C1
Zone 3D
Zone 4
Zone 4A
City Boundary
Legend
Maximum Velocity
0-3 ft/s
3-5 ft/s
5-7 ft/s
7-8 ft/s
Item #1. Page 190
Meeting Date: 9/12/2023 / Packet Page #: 193

SYSTEM HYDRAULIC ANALYSIS
CITY OF GLENDORA 9-9 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
9-6 Fire Flow Analysis
The fire flow analysis was conducted utilizing the existing maximum day demand scenario. Fire flow demands, listed in Table 6-1, were applied at all fire hydrant locations in the model. If the fire node was located near multiple land use types, the highest fire flow demand was utilized.

The fire flow criterion requires a residual pressure of 20 psi at the fire hydrant outlet. Since the City’s hydraulic model only includes the location of the hydrant connection with the mainline and not the hydrant itself, a residual pressure of 26 psi is utilized for analysis purposes. It is estimated that there will be about 6 psi loss from the water main, through a typical 6-inch hydrant lateral to the fire hydrant outlet. Initially, the fire flow simulation is run globally and the entire fire flow demand is applied to a fire hydrant connection. This initially identifies the areas with low residual pressures as shown on Figure 9-3.

In reality, firefighting often takes place by using multiple fire hydrants with each providing approximately 1,000 gpm to 1,200 gpm of flow. Therefore, the next step in the analysis was to apply fire flow demand to multiple hydrants in the areas identified with low residual pressures and rerun the analysis. Often, the system was then able to meet the fire flow demands and provide the minimum residual pressure of 26 psi at the fire hydrant connection point.

If the residual pressure criteria was still not met utilizing multiple hydrants in a certain area, improvement recommendations were developed, which either include a pipe size increase, pipe looping, and/or addition or relocation of fire hydrants. There are areas where fire flows can be increased if the hydrant is connected to a larger pipe or a pipe in an upper zone, located nearby.

The fire flow improvement locations are shown on Plate 9-1. Detailed descriptions of the recommended improvements are provided in Table 9-6.
9-7 Additional Hydraulic Improvement Recommendations
Additional hydraulic improvements are recommended based on staff interviews:

1. Looping of pipes in Zone 3D (Bluebird Reservoirs and PS) to improve hydraulics and fire flow availability.

2. Extension of pipes in North Glendora Avenue in Zone 3A for future customers.

3. A connection at Bennet Avenue and Parkview Terrace to improve hydraulics and fire flow availability.

The additional improvement locations are shown on Plate 9-1.

Item #1. Page 191
Meeting Date: 9/12/2023 / Packet Page #: 194
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Arrow Hwy
Valley Center Ave
Arrow Hwy
Lone Hill Ave
Amelia Ave
Cataract Ave
Foothill Blvd
I-210
I-210
Alosta Ave
Grand Ave
Barranca Ave
Mauna Loa Ave
Baseline Rd
I-210
Foothill Blvd
Sierra Madre Ave
Sierra Madre Ave
Foothill Blvd
State Rte 66
Grand Ave
Loraine Ave
Gladstone St
Gladstone St
Glendora Ave
SR-57
Palm Dr
San Gabriel Ave
Foothill Blvd Citrus Ave
I-210
1st St
Vernon Ave
Azusa Ave
Lark Ellen Ave
Cerritos Ave
Bonnie Cove AveSunflower Ave
Live Oak Ave
Big Dalton Cyn Rd
San Gabriel
Irwindale
(Inactive)
San Gabriel
Well 5
Well 8, 9, 12
Vosburg
Well
(Inactive)
Well 3 & 4
(Inactive)
Irwindale
(Inactive)
City of Azusa
Service Area
Suburban Water
Service Area
Suburban Water
Service Area
Citrus Ave
Transmission Main from Irwindale
(Inactive)
Transmission Main from Vosburg Well
(Inactive)
Suburban Water
Service Area
PROJECT NO: 0201782.00
DATE: April 2023

CITY OF GLENDORA

WATER MASTER PLAN
Initial Fire Flow Analysis
Residual Pressures
Figure 9-3
³
0 1,100 2,200 4,400
Feet
Residual Pressures
!( Less than 0 psi
!( 0 - 26 psi
!( Greater than 26 psi
Water Pipes
") Wells
#* Pump Stations
&- Storage Reservoirs
!( Pressure Regulating Station
Zone 1RA
Zone 1RB
Zone 1
Zone 1A
Zone 1B
Zone 1BH1
Zone 2
Zone 2H1
Zone 2H2
Zone 3
Zone 3A
Zone 3B
Zone 3C
Zone 3C1
Zone 3D
Zone 4
Zone 4A
City Boundary
Legend
Item #1. Page 192
Meeting Date: 9/12/2023 / Packet Page #: 195

SYSTEM HYDRAULIC ANALYSIS
CITY OF GLENDORA 9-11 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 9-6
Fire Flow Improvement Recommendations
Project ID Zone
Deficiency
Type Recommendation
Existing
Diameter
(in)
Proposed
Replacement
Diameter (in)
Length
(ft)
Valve
Replacement
Add
Hydrant or
Reconnect
Hydrant
Lateral
Construction
Cost
Estimate ($)
Design &
Admin ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total Project
Cost ($) Comments
FF-V01 3D Zone Fire
Deficiency
FF-V02 3A Zone Fire
Deficiency
FF-V03 1BH1 Zone Fire
Deficiency
FF-V04 2H1 Zone Fire
Deficiency
FF-V05 2H2 Zone Fire
Deficiency
FF-V06 1A Zone Fire
Deficiency
FF-V07 4 Zone Fire
Deficiency
FF-V08 4A Zone Fire
Deficiency
FF-V09 3B Zone Fire
Deficiency
FF-V10 3C Zone Fire
Deficiency
FF-V11 3 Zone Fire
Deficiency $ 90,000
Detailed hydraulic study recommended for Zone 3D (Bluebird PS/ Bluebird Res). See Vertical Assessment Improvement Project Recommendations for estimated costs.

Detailed hydraulic study recommended for Zone 3A (Glencoe PS/ North Glendora Res). See Vertical Assessment Improvement Project Recommendations for estimated costs.

Detailed hydraulic study recommended forr Zone 1BH1 (Silent Ranch HP). See Vertical Assessment Improvement Project Recommendations for estimated costs.

Detailed hydraulic study recommended for Zone 2H1 (Rainbow HP). See Vertical Assessment Improvement Project Recommendations for estimated costs.

Detailed hydraulic study recommended for Zone 2H2 (Eagle Ridge HP). See Vertical Assessment Improvement Project Recommendations for estimated costs.

Detailed hydraulic study recommended for Zone 1A (Hicrest PS / Hicrest Res). See Vertical Assessment Improvement Project Recommendations for estimated costs. H Detailed hydraulic study recommended for Zone 4 (Morgan Ranch PS /Lower Gordon Res). See Vertical Assessment Improvement Project Recommendations for estimated costs.

Detailed hydraulic study recommended for Zone 4A (Gordon PS/ Upper Gordon Res). See Vertical Assessment Improvement Project Recommendations for estimated costs.

Detailed hydraulic study recommended for Zone 3B (Englewild Canyon PS / Englewild Res). See Vertical Assessment Improvement Project Recommendations for estimated costs.

Detailed hydraulic study recommended for Zone 3C (Dalton PS/ Big Dalton Res). See Vertical Assessment Improvement Project Recommendations for estimated costs.

Detailed hydraulic study recommended for the Zone 3 homes, located along Wildwood Canyon, with low system pressures. Conduct an investigation of the pressures experienced at the existing properties and what fire flow is available to each property (i.e. private hydropneumatic systems). If additional homes are being considered by the City/developers, a booster pump station may be needed adjacent the Country Club Reservoirs to provide future supply and fire protection. Another option may be a future connection to the City of San Dimas system when the development along Brasada Lane is completed.

Item #1. Page 193
Meeting Date: 9/12/2023 / Packet Page #: 196

SYSTEM HYDRAULIC ANALYSIS
CITY OF GLENDORA 9-12 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 9-6 (Continued)
Fire Flow Improvement Recommendations
Project
ID Zone
Deficiency
Type Recommendation
Existing
Diameter
(in)
Proposed
Replacement
Diameter (in)
Length
(ft)
Valve
Replacement
Add
Hydrant or
Reconnect
Hydrant
Lateral
Construction
Cost
Estimate ($)
Design &
Admin ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total
Project Cost
($) Comments
2 8 80 $ 32,000 $ 4,800 $ 4,800 $ 6,400 $ 48,000
6 8 595 $ 238,000 $ 35,700 $ 35,700 $ 47,600 $ 357,000
- 8 115 $ 46,000 $ 6,900 $ 6,900 $ 9,200 $ 69,000
6 8 581 $ 232,400 $ 34,860 $ 34,860 $ 46,480 $ 348,600
- 8 135 $ 54,000 $ 8,100 $ 8,100 $ 10,800 $ 81,000
6 8 712 $ 284,800 $ 42,720 $ 42,720 $ 56,960 $ 427,200
- 8 800 $ 320,000 $ 48,000 $ 48,000 $ 64,000 $ 480,000
FF-P04 1 Pipe Fire
Deficiency
Fix and open valves at intersection of
Route 66 and Vermont Ave (V168-77 and
V168-80). Utilize hydrant on other side of
street
- 2 $ 20,000 $ 3,000 $ 3,000 $ 4,000 $ 30,000
2 8 320 $ 128,000 $ 19,200 $ 19,200 $ 25,600 $ 192,000
- 8 610 $ 244,000 $ 36,600 $ 36,600 $ 48,800 $ 366,000
FF-P06 1 Pipe Fire
Deficiency
Add parallel 8-inch line on south side of
Route 66 from Loraine Ave to hydrant
11306
- 8 430 $ 172,000 $ 25,800 $ 25,800 $ 34,400 $ 258,000
FF-P07 1RA Pipe Fire
Deficiency
Extend Zone 1 line in Arrow Hwy to provide
fire protection. Option to loop and add
another pressure reducing station in Arrow
Hwy at end of Zone 9 line.
- 8 770 $ 308,000 $ 46,200 $ 46,200 $ 61,600 $ 462,000
Zone 9 is a reduced zone. Can Zone
9 pipes be transferred to Suburban
Water Systems or can fire flow be
met utilizing Suburban's system?
3 8 377 $ 150,800 $ 22,620 $ 22,620 $ 30,160 $ 226,200
4 8 58 1 $ 38,200 $ 5,730 $ 5,730 $ 7,640 $ 57,300
6 12 370 $ 222,000 $ 33,300 $ 33,300 $ 44,400 $ 333,000 8 12 270 $ 162,000 $ 24,300 $ 24,300 $ 32,400 $ 243,000 - 12 815 $ 489,000 $ 73,350 $ 73,350 $ 97,800 $ 733,500 FF-P10 3 Pipe Fire
Deficiency
Move hydrant lateral connection to 14-inch
line in Glendora Mountain Rd. Add hydrant
to same street off 14-inch line
- 2 $ 30,000 $ 4,500 $ 4,500 $ 6,000 $ 45,000
FF-P11 1A Pipe Fire
Deficiency
Add 8-inch loop and add a hydrant near
property - 8 780 1 $ 327,000 $ 49,050 $ 49,050 $ 65,400 $ 490,500 Cannot get 26 psi residual pressure due to elevation Pipe Fire
Deficiency FF-P08 1
Upsize to 8-inch in Mountain View Ave and
add hydrant at intersection of Mountain
View and Pennsylvania Ave
FF-P01 Pipe Fire
Deficiency 1
Upsize 6-inch on north side of Route 66 to
8-inch and add 8-inch parallel line near
Grande Ave intersection
FF-P02 1 Pipe Fire
Deficiency
Connect 8-inch on north side of Route 66
to 6-inch on northside. Upsize 6-inch on
south side of Route 66 to 8-inch from
Alosta Ave to Vecino Dr
FF-P09 3
Pipe Fire
Deficiency FF-P03 1
Pipe Fire
Deficiency FF-P05 1
If looping is not possible, upgrade 8-
inch in Crescent Glen Dr to 12-inch.

Investigate option to loop in other
dead end streets north of properties
ie. in Morgan Ranch Dr
Add 8-inch loop from Alosta Ave to
Barranca Ave. Replace 6-inch from Alosta
to Barranca Ave with 8-inch
Upsize 2-inch in parking lot to 8-inch and
add 8-inch loop through parking lot back to
main in Grand Ave
Upgrade 8-inch in Oak Park Rd to 12-inch
from Amelia Ave to Oak Park Rd dead end.

Loop 12-inch to Edgemont Pl.

Pipe Fire
Deficiency
Item #1. Page 194
Meeting Date: 9/12/2023 / Packet Page #: 197

SYSTEM HYDRAULIC ANALYSIS
CITY OF GLENDORA 9-13 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 9-6 (Continued)
Fire Flow Improvement Recommendations
Project
ID Zone
Deficiency
Type Recommendation
Existing
Diameter
(in)
Proposed
Replacement
Diameter (in)
Length
(ft)
Valve
Replacement
Add
Hydrant or
Reconnect
Hydrant
Lateral
Construction
Cost
Estimate ($)
Design &
Admin ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total
Project Cost
($) Comments
FF-P12 1B Pipe Fire
Deficiency
Verify if line is connected to 12-inch near
Church of the Open Door. If not, make
connection at that location and near St
Lucys High School, the 8-inch to the 6-inch
dead end
- 8 290 $ 116,000 $ 17,400 $ 17,400 $ 23,200 $ 174,000
FF-P13 1 Pipe Fire
Deficiency
Upsize to 8-inch to the last hydrant in
Parker Dr 6 8 495 $ 198,000 $ 29,700 $ 29,700 $ 39,600 $ 297,000 Must also utilize hydrants on south
side of Route 66 connected to a 12-
inch.

FF-P14 2 Pipe Fire
Deficiency Connect dead end in Los Cerritos Rd - 8 375 $ 150,000 $ 22,500 $ 22,500 $ 30,000 $ 225,000 FF-P151 1 Pipe Fire
Deficiency Upsize to 8-inch to the last hydrant in alley 4 8 230 - - - - - FF-P16 1 Pipe Fire
Deficiency
Upsize to 8-inch to the last hydrant in
Lesterwest Way 4 8 496 $ 198,400 $ 29,760 $ 29,760 $ 39,680 $ 297,600 FF-P171 1 Pipe Fire
Deficiency
Upsize to 8-inch to the last hydrant in
Washington Ave 4 8 280 - - - - -
FF-P181 1 Pipe Fire
Deficiency
Upsize to 8-inch to the last hydrant in
Pennsylvania Ave 4 8 275 - - - - -
FF-P191 2 Pipe Fire
Deficiency
Upsize to 8-inch to the last hydrant in
Pflueger Ave 4 8 460 - - - - -
FF-P201 1 Pipe Fire
Deficiency
Upsize to 8-inch to the last hydrant in Duell
St 4 8 430 - - - - -
FF-P21 2 Pipe Fire
Deficiency
Connect to line in Sierra Madre Ave at
Treanor Ave - 8 14 $ 5,600 $ 840 $ 840 $ 1,120 $ 8,400
FF-P22 1 Pipe Fire
Deficiency
Connect 8-inch dead end to 30-inch in
Sierra Madre Ave - 8 80 $ 32,000 $ 4,800 $ 4,800 $ 6,400 $ 48,000 FF-P23 3 Pipe Fire
Deficiency
Add hydrant on Bluebird Road on Zone 3
line and add pipe from Zone 3 to properties
in private street with a new hydrant.
- 8 660 2 $ 294,000 $ 44,100 $ 44,100 $ 58,800 $ 441,000 When Zone 28 is updated, could
move lateral to Zone 28 in Bluebird
Road and include domestic use.

FF-P24 2 Pipe Fire
Deficiency Extend Zone 3 line to new fire hydrant. - 8 530 1 $ 227,000 $ 34,050 $ 34,050 $ 45,400 $ 340,500 Hydrant at high elevation for Zone 2.

FF-P25 1 Pipe Fire
Deficiency
Add 8-inch loop around Hope Lutheran
Elementary. Add hydrant off Zone 2 line
near school.
- 8 775 1 $ 325,000 $ 48,750 $ 48,750 $ 65,000 $ 487,500 FF-P26 2 Pipe Fire
Deficiency
Add hydrant off 8-inch in Sierra Madre Ave;
Extend Zone 3 line to new fire hydrant. - 8 625 2 $ 280,000 $ 42,000 $ 42,000 $ 56,000 $ 420,000 FF-P27 1 Pipe Fire
Deficiency
Move hydrant lateral connection to Zone 2
10-inch in Lorraine Ave. Zone 1 pressures
not sufficient for fire or services
- 1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500
FF-P28 2 Pipe Fire
Deficiency
Add hydrant in Rainbow Dr, north of
Bubbling Well Dr 7818 1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500 Complete when Pipe Replacement Project is constructed Item #1. Page 195
Meeting Date: 9/12/2023 / Packet Page #: 198

SYSTEM HYDRAULIC ANALYSIS
CITY OF GLENDORA 9-14 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 9-6 (Continued)
Fire Flow Improvement Recommendations
Project
ID Zone
Deficiency
Type Recommendation
Existing
Diameter
(in)
Proposed
Replacement
Diameter (in)
Length
(ft)
Valve
Replacement
Add
Hydrant or
Reconnect
Hydrant
Lateral
Construction
Cost
Estimate ($)
Design &
Admin ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total
Project Cost
($) Comments
FF-P29 3 Pipe Fire
Deficiency
Add hydrant on Zone 19 line to supplement
fire demand, near intersection of Easley
Canyon Rd and Oak Canyon Ln
1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500
FF-P30 1 Pipe Fire
Deficiency
Move hydrant lateral connections to Zone 2
line in Sierra Madre Ave 7 $ 105,000 $ 15,750 $ 15,750 $ 21,000 $ 157,500 Complete when Pipe Replacement Project is constructed FF-P31 2 Pipe Fire
Deficiency
Move hydrant lateral connections to Zone 3
in Palm Dr 2 $ 30,000 $ 4,500 $ 4,500 $ 6,000 $ 45,000
FF-P32 1 Pipe Fire
Deficiency
Move hydrant lateal connection to 6-inch in
Colorado Ave 1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500 Complete when Pipe Replacement Project is constructed
FF-P33 2 Pipe Fire
Deficiency
Add hydrant in Caballo Ave per hydrant
spacing requirements 1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500 Complete when Pipe Replacement Project is constructed FF-P34 1B Pipe Fire
Deficiency
Add hydrant on 8-inch in Ben Lomond Ave
south of Cairngrove Lane 1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500 FF-P35 2 Pipe Fire
Deficiency
Add hydrant on 12-inch in Valley Center
Ave near intersection of Catherine Park Dr. 1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500 FF-P36 2 Pipe Fire
Deficiency
Add hydrant near intersection of Entrada
Way and Huerta Verde Road 1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500 FF-P37 1 Pipe Fire
Deficiency
Move hydrant lateral connection (11370) to
24-inch line 1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500 FF-P38 2 Pipe Fire
Deficiency
Add hydrant in Whitcomb Ave per hydrant
spacing requirements 1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500 FF-P39 1 Pipe Fire
Deficiency
Add hydrant in Allen Ave per hydrant
spacing requirements 1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500 Complete when Pipe Replacement Project is constructed FF-P40 1 Pipe Fire
Deficiency
Add hydrant in Lemon Ave per hydrant
spacing requirement 1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500 Complete when Pipe Replacement Project is constructed
FF-P41 1 Pipe Fire
Deficiency
Add hydrant in Allen Ave per hydrant
spacing requirements 1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500 Complete when Pipe Replacement Project is constructed FF-P42 2 Pipe Fire
Deficiency
Add a hydrant in Puma Canyon Ln near
Buffalo Trail per hydrant spacing
requirements
1 $ 15,000 $ 2,250 $ 2,250 $ 3,000 $ 22,500
FF-P43 1 Pipe Fire
Deficiency
Add a hydrants in Mountain View Ave and
in Dalton Ave per hydrant spacing
requirements
2 $ 30,000 $ 4,500 $ 4,500 $ 6,000 $ 45,000 Complete when Pipe Replacement Project is constructed
$ 5,699,200 $ 854,880 $ 854,880 $ 1,139,840 $ 8,638,800 1 Cost removed from Fire Flow Improvements when project is already accounted for in the Pipe Replacement Program Priority 1 Pipelines Total
Item #1. Page 196
Meeting Date: 9/12/2023 / Packet Page #: 199

SYSTEM HYDRAULIC ANALYSIS
CITY OF GLENDORA 9-15 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 9-7
Additional Hydraulic Improvement Recommendations
Project
ID Zone Recommendation
Proposed
Replacement
Diameter (in)
Length
(ft)
Construction
Cost Estimate
($)
Design &
Admin ($)
Construction
Managemen
t Cost ($)
Contingency
Cost ($)
Total Project
Cost ($)
G-P01 3D
Create loop east of Bluebird Rd and south
of Bluebird Reservoirs; include Pipe
Replacement Program Pipelines nearby
8 340 136,000 $ $ 20,400 $ 20,400 $ 27,200 $ 204,000
G-P02 3D
Create loop through Mountain Lane;
include Pipe Replacement Program
Pipelines nearby
8 430 172,000 $ $ 25,800 $ 25,800 $ 34,400 $ 258,000
G-P03 3A Future customer line extension in North
Glendora Ave 8 350 140,000 $ $ 21,000 $ 21,000 $ 28,000 $ 210,000 G-P04 1 Alley connection to Bennett Avenue from
Park View Terrace 8 150 60,000 $ $ 9,000 $ 9,000 $ 12,000 $ 90,000 Total 1,270 508,000 $ $ 76,200 $ 76,200 $ 101,600 $ 762,000 Item #1. Page 197
Meeting Date: 9/12/2023 / Packet Page #: 200

SYSTEM HYDRAULIC ANALYSIS
CITY OF GLENDORA 9-16 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
9-8 Water Age Analysis
The water age analysis was conducted utilizing the existing average day demand scenario for a 90 day period. Water age in the reservoirs is shown in Table 9-8. Generally, a water age of 7 days or less is desired. Mixers can help in reducing water age and improving water quality and have been recommended for several reservoirs. Newly constructed reservoirs should include mixers in the future.

Table 9-8
Water Age Scenario Model Results
Zone Reservoir Name
Reservoir
No.

Volume
(MG)
Low
Water
Age
(days)
Average
Water
Age
(days)
High
Water
Age
(days)
1 Mixer
Recommended Comments
SG San Gabriel SG 1.0 0.1 0.1 0.1
1 South Hills West A 3.0 7.8 8.7 9.8
Reservoir replacement
recommended, see
Section 11 & 12
1 Sierra Madre A 4.0 0.7 0.9 1.1 Yes
1 South Hills West B 7.0 10.9 12.1 13.4 Yes
1 Goddard A 3.5 0.8 1.0 1.3 Yes
1A Hicrest A 0.116
1A Hicrest B 0.274
1B Hook Cyn A 0.325 3.5 4.4 5.3
1B Hook Cyn B 0.325 3.5 4.4 5.3
2 South Hills East A 2.5 5.7 7.4 9.5 Yes
2 Country Club North A 0.67 4.4 5.9 7.9 Yes
2 Country Club South B 0.67 4.3 5.7 7.8
Reservoir replacement
recommended, see
Section 11 & 12
2 Hidden Springs A 3.5 10.6 12.8 15.1 Yes
2 Hidden Springs B 1.25 8.1 11.9 15.0 Yes
3 Morgan Ranch A 2.5 4.5 5.8 7.3 Yes
3 Englewild A 2.5 7.3 8.8 10.5 Yes
3A Glencoe A 0.0125
3A Glencoe B 0.125
3A North Glendora B 0.318 5.3 8.6 12.1
Reservoir replacement
recommended, see
Section 11
3B Englewild Cyn A 0.01
3B Englewild Cyn B 0.01

8.9 10.5 12.4

12.3 Modeled as one reservoir
for hydraulic purposes.

Water age may be
skewed.

Modeled as one reservoir
for hydraulic purposes.

Water age may be
skewed.

Modeled as one reservoir
for hydraulic purposes.

Water age may be
skewed.

3.9 5.2 6.5

5.9 8.8
Item #1. Page 198
Meeting Date: 9/12/2023 / Packet Page #: 201

SYSTEM HYDRAULIC ANALYSIS
CITY OF GLENDORA 9-17 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 9-8 (continued)
Water Age Scenario Model Results
The water age throughout the system is depicted on Figure 9-4. Generally, Zone 1 has the lowest water age (1 to 5 days) in the system because the source of supply is constantly providing water directly into Zone 1. The area of Zone 1 south of the 210 Freeway has higher water age than the rest of the zone, ranging from 5 to 10 days. Water age in the higher zones generally range up to 15 days.

Water age in Zone 3C and 3C1 exceeds 15 days due to minimal demands.

The highest water age is seen in the model at endpoints in the system (i.e. stubouts, cul-de sacs, areas without looping, etc.) or in areas where there was no demand placed in the hydraulic model.

This happened when for instance, there was a master meter for a development but the demand could only be placed in the model at one location. In reality, there are several services pulling water from the system at different locations. If individual services were all to be modeled, the water age analysis results would be different.

Another instance is when the service lateral was not located close to the end of the pipe on a cul-de sac. In this case the demand was placed at the next model node and no demand was placed at the actual end point of the pipe. If the demand was placed at the end of the pipe, the water age analysis results would be different and likely water age would be similar to the surrounding model nodes.

Reservoir Name
Reservoir
No.

Volume
(MG)
Low
Water
Age
(days)
Average
Water
Age
(days)
High
Water
Age
(days)
1 Mixer
Recommended Comments
3C Big Dalton A 0.045 16.3 17.9 19.6 Yes
3C1 Boy Scouts A 0.01 - - - Not Modeled
3D Bluebird Hill A 0.0125
3D Bluebird Hill B 0.125
4 Lower Gordon A 0.16
4 Lower Gordon B 0.16
4A Upper Gordon A 0.20
4A Upper Gordon B 0.20

6.9 8.7 10.5
Modeled as one reservoir
for hydraulic purposes.

Water age may be
skewed.

5.2 7.3
Modeled as one reservoir
for hydraulic purposes.

Water age may be
skewed.

9.2 1See Facility Assessment Section 11 and Capital Improvement Program Section 12 for recommendations

2.6 4.2 6.0
Modeled as one reservoir
for hydraulic purposes.

Water age may be
skewed.

Item #1. Page 199
Meeting Date: 9/12/2023 / Packet Page #: 202
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Arrow Hwy
Lone Hill Ave
Amelia Ave
Cataract Ave
Foothill Blvd
I-210
I-210
Alosta Ave
Grand Ave
Barranca Ave
Mauna Loa Ave
Baseline Rd
I-210
Foothill Blvd
Sierra Madre Ave Sierra Madre Ave
Foothill Blvd
State Rte 66
Loraine Ave
Grand Ave
Gladstone St
Gladstone St
Glendora Ave
SR-57
San Gabriel Ave
Foothill Blvd Citrus Ave
I-210
1st St
Vernon Ave
Azusa Ave
Lark Ellen Ave
Cerritos Ave
Bonnie Cove AveSunflower Ave
Live Oak Ave
Big Dalton Cyn Rd
San Gabriel
Irwindale
(Inactive)
San Gabriel
Well 5
Well 8, 9, 12
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Well 3 & 4
(Inactive)
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Service Area
Suburban Water
Service Area
Citrus Ave
Transmission Main from Irwindale
(Inactive)
Transmission Main from Vosburg Well
(Inactive)
Suburban Water
Service Area
PROJECT NO: 0201782.00
DATE: April 2023

CITY OF GLENDORA

WATER MASTER PLAN
Water Age
Figure 9-4
³
0 1,100 2,200 4,400
Feet
Water Age
!( 0-5 days
!( 5-10 days
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!( 15-20 days
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!( Dead ends and/or no demands in model
Water Pipes
") Wells
#* Pump Stations
&- Storage Reservoirs
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Zone 1RA
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City Boundary
Legend
Item #1. Page 200
Meeting Date: 9/12/2023 / Packet Page #: 203
CITY OF GLENDORA 10-1 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
SECTION 10

PIPE REPLACEMENT PROGRAM
10-1 General
According to the 2021 Drinking Water Report Card, developed by the American Society of Civil Engineers, the national average break rate ranged between 10 breaks per 100 miles of pipe per year to 37 breaks per 100 miles of pipe per year.

The break records show that the City of Glendora’s (City) water system has experienced about 225 breaks per year between 2017 and 2021. This equates to 107 breaks per year per 100 miles of pipe (225 breaks / 2.1 hundred miles of pipe), which is much greater than the national average.

Based on a review of the City’s as-built plans from the last 10 years, the City has been replacing an average of 10,300 feet of pipe annually (1% of the total system). It is recommended that the City continue implementing an annual pipe replacement program to reduce the number of water breaks each year.

For this Master Plan study, the recommended pipe replacement program was developed based on historical breaks and leak records, a risk assessment, problematic areas identified by City staff, and critical facility (hospitals, police stations, fire stations, etc) locations. These project recommendations were developed independently of the hydraulic analyses described in Section 9. 10-2 Risk Assessment
Risk assessments have become more important as the average age of infrastructure in Southern California has increased and more breaks have occurred. The Water Research Foundation describes the main objectives of an effective risk assessment as one that includes:

1. Reduction in the number and cost of failures, by identifying high-risk assets and enabling costeffective, targeted, proactive remedies

2. Extension of the useful life of assets, by distinguishing those that are merely old from those that are truly impaired

3. Reduction in uncertainties, enabling confident answers to question from the public and others Risk relates to the probability of something bad happening, or the likelihood of a negative impact occurring, and over time, a water distribution system will experience water breaks or leaks. These failures in a water system can be caused by multiple factors such as pipe age, pipe material, pipe bedding, water characteristics, external loads (from traffic or soils), soil characteristics, and/or weather. Some of the primary goals of a water utility are to prevent catastrophic failures from occurring, address breaks and leaks as quickly as possible, and continue to provide reliable and safe water to its customers while minimizing disruptions to service.

Risk is the combination of both Likelihood of Failure (LoF) and Consequence of Failure (CoF). It takes into account the asset’s physical condition, as well as the impact that its failure would have on system performance. LoF refers to the probability of failure based on the pipe features, surrounding area attributes, and historical pipe break data. CoF is the combination of direct and indirect impacts on the vicinity and community due to a potential asset failure.

The pipeline risk assessment includes an evaluation of various elements that affect the LoF and CoF.

Item #1. Page 201
Meeting Date: 9/12/2023 / Packet Page #: 204

PIPE REPLACEMENT PROGRAM
CITY OF GLENDORA 10-2 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Artificial intelligence, machine learning (AI-ML) technology was used to calculate the LoF for the pipeline risk assessment. Contracted by AKM, Fracta provided the software as a service (SaaS) solution to develop the LoF scores.

The CoF elements were modeled in the Fracta online platform, using the widely accepted triple bottom line (TBL) framework, which is a method that categorizes the consequence of failure as social, economic, and environmental factors.
10-3 Likelihood of Failure (LoF)
The City’s risk assessment was developed using artificial intelligence, machine learning (AI-ML) technology to develop LoF scores. The main goal was to prioritize the likelihood of the system pipes to fail by using historical failure patterns (break data), surrounding area attributes (environmental and demographics), and pipe features (size, material, and year of construction). This data was embedded into the Fracta LoF module, which is a complex AI based and ML algorithm that uses historical and geospatial data to calculate LoF scores for the system pipes. The LoF score is a percentage that predicts which pipe segments will have the highest risk of breaking in the upcoming 1 year, 2 years, 3 years, and 5 years.
10-3.1 Pipe Asset Data
The pipe asset data was developed from the pipe geometry included from the previous hydraulic model prepared in 2017. The geometry was updated with current as-built plans. The pipe diameter, material, length and year of installation were imported into Fracta’s AI-ML LoF module. Where the pipe material and/or year of installation information was missing, the Fracta proprietary imputation algorithm was used to fill in the missing data, primarily using the adjacent pipe data. 10-3.2 Global Data
In addition to the pipe asset data from the City’s geodatabase, the AI-ML LoF module incorporates global variables to perform the LoF analysis, including but not limited to roads, soil type, trains, population density, built density, distance from water, precipitation, and temperature. Fracta obtains this data from Federal, State, and other public sources/agencies such as U.S. Geological Survey (USGS), U.S. Department of Agriculture (USDA), and the U.S. Census Bureau. 10-3.3 Pipe Break Data
Water main break history is a good indicator of the quality of a pipe’s condition. The City’s pipe break data was provided from 2012 to 2021.

It should be noted that the LoF module training and validation include the evaluation of pipes that were abandoned and replaced. The pipe breaks, associated to those abandoned pipes, were also included in the training of the LoF module. After the training was completed, the abandoned pipes and breaks were removed from the LoF module, which is necessary for developing the LoF scores for the “normalized” pipes. The normalized break locations are shown on Figure 10-1. The break summary data is shown on Figure 10-2.
10-3.4 LoF Module Training
The LoF module finds correlations between the City’s pipe asset data, the global data, and the City’s comprehensive pipe break data to calculate the pipe LoF percent scores.

Item #1. Page 202
Meeting Date: 9/12/2023 / Packet Page #: 205
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Barranca Ave
Mauna Loa Ave
Baseline Rd
I-210
Foothill Blvd
Sierra Madre Ave
Foothill Blvd
State Rte 66
Loraine Ave
Gladstone St Gladstone St Glendora Ave SR-57
Palm Dr
San Gabriel Ave
Railroad
Citrus Ave
I-210
1st St
Vernon Ave
Azusa Ave
Lark Ellen Ave
Cerritos Ave
Bonnie Cove Ave
Sunflower Ave
Big Dalton Cyn Rd
San Gabriel
Irwindale
(Inactive)
Vosburg
Well
(Inactive)
Citrus Ave
Transmission Main from Irwindale
(Abandoned)
Transmission Main from Vosburg Well
(Inactive)
PROJECT NO: 0201782.00
DATE: April 2023

CITY OF GLENDORA

WATER MASTER PLAN
Pipe Break Locations
Figure 10-1
³
0 1,100 2,200 4,400
Feet
Legend
City Boundary
") Wells
#* Pump Stations
&- Storage Reservoirs
!( Pressure Regulating Station
! Normalized Breaks
9 - 25 Breaks
3 - 8 Breaks
2 Breaks
1 Break
No Breaks
Item #1. Page 203
Meeting Date: 9/12/2023 / Packet Page #: 206

PIPE REPLACEMENT PROGRAM
CITY OF GLENDORA 10-4 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Figure 10-2
Pipe Break History
Item #1. Page 204
Meeting Date: 9/12/2023 / Packet Page #: 207

PIPE REPLACEMENT PROGRAM
CITY OF GLENDORA 10-5 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
The LoF module was trained and validated by evaluating the pipe break data between 2012 to 2020.

The data for 2021 was not included when developing the LoF scores during the training period. The actual 2021 break data was compared to the initial LoF scores to train the model. Once the training and validation was completed all break data was inputted into the model and used to develop the final LoF scores.

The Fracta LoF module can utilize LoF data, such as pipe asset and break data, from nearby agencies to incorporate into the LoF module. This is particularly useful when there is very little break data.

Based on the results of the LoF training exercise, it was determined that the City’s local LoF module was better at predicting the 2021 breaks that were initially withheld from the module. All LoF analysis is based on this local module.

The Fracta AI-ML module identified the following to be the most influencing LoF risk factors:
 Pipe Material
 Major Roads
 Distance from Water
 Number of Breaks
 Pipe Diameter
 Population Density
 Elevation
 Train
 Major Roads
 Slope
 Built Density
 Soil
Fracta’s AI-ML algorithms evaluate many large and complex datasets containing more variables than a human can process. The algorithms “learn” as more and more data is available and inputted into the program. AI-ML is an efficient way to incorporate large amounts of data and improve on results.

Within the LoF module, all pipes are grouped by similar LoF risk factors. Pipe age and pipe break data is not identified as LoF risk factors. This data is used by the AI-ML module to prioritize the LoF risk factors and identify the pipe grouping used to develop the LoF scores for the City’s entire system. 10-3.5 Likelihood of Failure Results
The AI-ML model generates LoF scores which are the calculated percentage that the pipe segments will break in the upcoming 1 year, 2 years, 3 years and 5 years. The summary of the pipes by LoF score is shown in Table 10-1. The LoF scores for each pipe are shown on Figure 10-3.

Table 10-1
Likelihood of Failure Score Summary
Pipe
Count Length (ft)
Pipe
Count Length (ft)
Pipe
Count Length (ft)
Pipe
Count Length (ft)

75.1% to 100.0% 43 14,009 238 81,803 410 129,476 587 172,427

50.1% to 75.0% 195 67,793 278 75,167 224 55,214 147 33,349

25.1% to 50.0% 338 87,949 211 46,420 142 31,616 561 110,537

0.0% to 25.0% 5,368 942,740 5,217 909,102 5,168 896,186 4,649 796,178 Total 5,944 1,112,491 5,944 1,112,491 5,944 1,112,491 5,944 1,112,491 1 Time frame at which the pipe is likely to break
1-Year1 2-Year1 3-Year1 5-Year1
LoF Score Range
(% likelihood of failure
for each time frame)
Item #1. Page 205
Meeting Date: 9/12/2023 / Packet Page #: 208
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Amelia Ave
Cataract Ave
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I-210
I-210
Grand Ave
Barranca Ave
Mauna Loa Ave
Baseline Rd
I-210
Foothill Blvd
Sierra Madre Ave
Foothill Blvd
State Rte 66
Loraine Ave
Gladstone St Gladstone St Glendora Ave SR-57
Palm Dr
San Gabriel Ave
Railroad
Citrus Ave
I-210
1st St
Vernon Ave
Azusa Ave
Lark Ellen Ave
Cerritos Ave
Bonnie Cove Ave
Sunflower Ave
Big Dalton Cyn Rd
San Gabriel
Irwindale
(Inactive)
Vosburg
Well
(Inactive)
Citrus Ave
Transmission Main from Irwindale
(Abandoned)
Transmission Main from Vosburg Well
(Inactive)
PROJECT NO: 0201782.00
DATE: April 2023

CITY OF GLENDORA

WATER MASTER PLAN
Likelihood of Failure
Scores
Figure 10-3
³
0 1,100 2,200 4,400
Feet
Legend
City Boundary
") Wells
#* Pump Stations
&- Storage Reservoirs
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LoF Score (% likelihood of break within 1-year)

75.1% - 100.0%

50.1% - 75.0%

25.1% - 50.0%

0.0% - 25.0%
Item #1. Page 206
Meeting Date: 9/12/2023 / Packet Page #: 209

PIPE REPLACEMENT PROGRAM
CITY OF GLENDORA 10-7 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
10-4 Consequence of Failure (CoF)
The CoF analysis involves quantifying the estimated losses associated with damage that might occur when a pipe fails. This is done by modeling the CoF using the widely accepted triple bottom line (TBL) framework, which is a method that categorizes the consequences of failure as social, economic, and environmental factors as shown on Figure 10-4.

Figure 10-4
Consequence of Failure Analysis Factors
The CoF scores are the costs associated with a pipe break. The scores were developed for all pipes using Fracta’s CoF module. The CoF factors included with this risk assessment include the following:

1. Economic CoF: This component reflects the impact that the utility would incur directly due to the repair cost of the failed pipe, which include the labor and materials costs.

2. Social CoF: This component reflects the impact of the pipe failure for the public and has two subcomponents: customers without water service and traffic disruption.

3. Environmental CoF: This component reflects the potential damage that is caused by a pipe break, which includes the discharge of chlorine treated water. 10-4.1 Economic CoF Factors
The cost to repair a pipe break varies depending on the necessary equipment, depth of the pipe break, amount of water loss, and other factor specific to each circumstance. City operation and maintenance staff report that the typical main break response procedure includes a repair of the pipe using sleeve repair clamps. The costs associated with the repair work are the labor and materials cost as follows:
 Labor Costs are based on a typical repair time of 5 hours and the following O&M Staff rates  1 Water Utility Leadworker with $75.88/hour rate
 4 Water Utility Worker II with $64.39/hour rate
Consequence
of Failure (CoF)
Economic
Labor (City
Staff)
Materials (Pipe
Sleeve)
Social
Customers
without Water
Traffic
Disruption
Environmental
Dechlorination
Item #1. Page 207
Meeting Date: 9/12/2023 / Packet Page #: 210

PIPE REPLACEMENT PROGRAM
CITY OF GLENDORA 10-8 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
 Materials costs are based on the pipe sleeve repair
clamp costs that are summarized in Table 10-2.
10-4.2 Social CoF Factors
The social component to the CoF score includes the
customer without water service due to potential outages at each of the City’s pipes. Fracta’s CoF module calculates these indirect costs by estimating the number of customers within a 160 feet radius of each pipe. Fracta’s module uses 2010 Topologically Integrated Geographic Encoding and
Referencing (Tiger) data from the American Census
Bureau to calculate the population density. An indirect cost of $50 per person is attributed to each pipe, which accounts for the social impact the pipe break has on the affected customers.

In addition to customers without water, traffic disruption also contributes to the social component of the CoF score.

Water that overflows on the street and pipe repairs caused by pipe breaks are causes for increased traffic disruptions when there is a pipe break. Fracta’s CoF module
calculates the indirect cost based on pipe size, as shown in Table 10-3. Fracta’s cost estimates are based on
publicly available bid results and costing documents for project traffic control and rerouting.
10-4.3 Environmental CoF Factors
The affected water bodies are generally far from the City’s service area. Catch basins and storm drains are
distributed throughout the service area and will capture all discharged flow from a pipe break. For these reasons, the proximity of a failed pipe to the affected water bodies is irrelevant when developing the CoF score.

The quantity of chlorine treated water is a more reasonable element to evaluate the environmental CoF. The chemical costs to dechlorinate the water from a pipe break was
estimated by the discharged flow, which vary by pipe
diameter. The environmental costs are shown in Table 10-4. 10-5 Risk
Fracta’s Total Risk module combines the LoF scores (%) and the CoF scores ($) to provide a total risk score. The total risk score is a dollar amount that takes into consideration the monetized consequence of failure and the percentage of when each pipe is predicted to fail.

Risk is calculated as the product of the LoF and CoF.

Risk = Likelihood of Failure (LoF) x Consequence of Failure (CoF) Pipe Diameter
Pipe Sleeve
Repair Clamp
Cost ($)
Less than 4" $360

4.0" to 7.9" $1,200

8.0" to 15.9" $3,480

16.0" to 23.9" $6,360

24.0" to 29.9" $6,480
Greater than 30" $6,600
Table 10-2
Pipe Sleeve Repair Clamp Cost by
Diameter
Pipe Diameter
Traffic Disruption
Cost ($)
Less than 4" $600

4.0" to 7.9" $600

8.0" to 15.9" $1,500

16.0" to 23.9" $2,000

24.0" to 29.9" $3,000
Greater than 30" $4,000
Table 10-3
Traffic Disruption Costs
Pipe Diameter
Pipe Sleeve Cost
($)
Less than 4" $30

4.0" to 7.9" $115

8.0" to 15.9" $460

16.0" to 23.9" $1,030

24.0" to 29.9" $1,600
Greater than 30" $2,300
Table 10-4
Dechlorination Chemical Costs
Item #1. Page 208
Meeting Date: 9/12/2023 / Packet Page #: 211

PIPE REPLACEMENT PROGRAM
CITY OF GLENDORA 10-9 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Fracta’s LoF scores, predicting which pipe
segments will have the highest risk of breaking in
the upcoming 1 year were used to develop the
total risk scores. The summary of the pipes by
total risk score is shown in Table 10-5. The total
risk scores of each pipe are shown on Figure 10-

5. 10-6 City Pipe Concerns
There are locations throughout the City’s water
system, shown on Figure 10-6, that are known to be difficult to provide routine and emergency operation and maintenance. The majority of these pipes are located within private right-of-ways and are difficult to access. City staff are extremely concerned about these locations, and therefore the pipes were included in the pipe replacement program. If the pipes in these areas were identified as high risk and recommended for replacement, the pipe was increased in priority to account for the City staff’s concerns.
10-7 Critical Facilities
Critical facilities include those businesses or operations where water service is essential, such as hospitals, police facilities, fire facilities, dialysis centers, and care facilities. The locations of critical facilities (identified by City staff) are shown on Figure 10-7.

The City will make all efforts to ensure that the critical facilities are provided reliable water service.

The pipes near these critical facilities were included in the pipe replacement program. If these pipes areas were identified as high risk and recommended for replacement, the pipe was increased in priority to account for the City staff’s concerns.
10-8 Pipe Priorities
Pipe priorities were developed by looking at the total risk score, historical pipe break data, LoF scores, City pipe concerns, and pipes near critical facilities. Pipe priorities are categorized as follow:
 Pipe Priority 1 projects include pipes with the following:
o Total Risk scores in the top 1% of the total system length o History of pipe breaks (9 or more breaks between 2012 and 2021) o LoF scores greater than 75% probability of breaking in the first year.  Pipe Priority 2 projects include pipes with the following:
o Total Risk scores between 1.1% and 5% of the total system length o History of pipe breaks (Between 3 and 8 breaks between 2012 and 2021) o LoF scores greater than 75% probability of breaking in the second year.  Pipe Priority 3 projects include pipes with the following:
o Total Risk scores between 5.1% and 20% of the total system length o History of pipe breaks (2 breaks between 2012 and 2021) o LoF scores greater than 75% probability of breaking in the fifth year. o Pipes of concern
o Pipes near critical facilities
Total Risk1 Pipe Count Length (ft)
Top 1% 28 11,124

1.1% - 5.0% 133 44,130

5.1% -20.0% 557 166,840
Greater than 20.0% 5,226 890,396
Total 5,944 1,112,491
1 Percent of total, prioritized by Total Risk score
Table 10-5
Total Risk Summary Table
Item #1. Page 209
Meeting Date: 9/12/2023 / Packet Page #: 212
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Arrow Hwy
Arrow Hwy
Valley Center Ave
Lone Hill Ave
Amelia Ave
Cataract Ave
Foothill Blvd
I-210
I-210
Grand Ave
Barranca Ave
Mauna Loa Ave
Baseline Rd
I-210
Foothill Blvd
Sierra Madre Ave
Foothill Blvd
State Rte 66
Loraine Ave
Gladstone St Gladstone St Glendora Ave SR-57
Palm Dr
San Gabriel Ave
Railroad
Citrus Ave
I-210
1st St
Vernon Ave
Azusa Ave
Lark Ellen Ave
Cerritos Ave
Bonnie Cove Ave
Sunflower Ave
Big Dalton Cyn Rd
San Gabriel
Irwindale
(Inactive)
Vosburg
Well
(Inactive)
Citrus Ave
Transmission Main from Irwindale
(Abandoned)
Transmission Main from Vosburg Well
(Inactive)
PROJECT NO: 0201782.00
DATE: April 2023

CITY OF GLENDORA

WATER MASTER PLAN
Total Risk Scores
Figure 10-5
³
0 1,100 2,200 4,400
Feet
Legend
City Boundary
") Wells
#* Pump Stations
&- Storage Reservoirs
!( Pressure Regulating Station
Total Risk
Top 1%

1.1% - 5.0%

5.1% - 20.0%

20.1% - 100.0%
Item #1. Page 210
Meeting Date: 9/12/2023 / Packet Page #: 213
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Lone Hill Ave
Amelia Ave
Cataract Ave
Foothill Blvd
I-210
I-210
Grand Ave
Barranca Ave
Mauna Loa Ave
Baseline Rd
I-210
Foothill Blvd
Sierra Madre Ave
Foothill Blvd
State Rte 66
Loraine Ave
Gladstone St Gladstone St Glendora Ave SR-57
Palm Dr
San Gabriel Ave
Railroad
Citrus Ave
I-210
1st St
Vernon Ave
Azusa Ave
Lark Ellen Ave
Cerritos Ave
Bonnie Cove Ave
Sunflower Ave
Big Dalton Cyn Rd
San Gabriel
Irwindale
(Inactive)
Vosburg
Well
(Inactive)
Citrus Ave
Transmission Main from Irwindale
(Abandoned)
Transmission Main from Vosburg Well
(Inactive)
PROJECT NO: 0201782.00
DATE: April 2023

CITY OF GLENDORA

WATER MASTER PLAN
City Pipe Concern
Locations
Figure 10-6
³
0 1,100 2,200 4,400
Feet
Legend
City Boundary
") Wells
#* Pump Stations
&- Storage Reservoirs
!( Pressure Regulating Station
Pipe
City Pipe Concern
Item #1. Page 211
Meeting Date: 9/12/2023 / Packet Page #: 214
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Amelia Ave
Cataract Ave
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I-210
I-210
Grand Ave
Barranca Ave
Mauna Loa Ave
Baseline Rd
I-210
Foothill Blvd
Sierra Madre Ave
Foothill Blvd
State Rte 66
Loraine Ave
Gladstone St Gladstone St Glendora Ave SR-57
Palm Dr
San Gabriel Ave
Railroad
Citrus Ave
I-210
1st St
Vernon Ave
Azusa Ave
Lark Ellen Ave
Cerritos Ave
Bonnie Cove Ave
Sunflower Ave
Big Dalton Cyn Rd
San Gabriel
Irwindale
(Inactive)
Vosburg
Well
(Inactive)
Citrus Ave
Transmission Main from Irwindale
(Abandoned)
Transmission Main from Vosburg Well
(Inactive)
Clearwater
Assisted Living
Da Vita
Dialysis Glendora
Hospital Mohan
Dialysis
Glendora Canyon
Transitional Care Unit
Foothill
Presbyterian
Hospital
LA County
Fire Station #151
Glendora Police
Facility/ City
Transmitter Site
Fresenius
Dialysis
LA County
Fire Station #85
LA County
Fire Station #86
Foothill Medical
Arts Building
La Fetra
Senior Center
PROJECT NO: 0201782.00
DATE: April 2023

CITY OF GLENDORA

WATER MASTER PLAN
Critical Facility Locations
Figure 10-7
³
0 1,100 2,200 4,400
Feet
Legend
City Boundary
") Wells
#* Pump Stations
&- Storage Reservoirs
!( Pressure Regulating Station
! Critical Facilities
Pipe
Pipes near Critical Facilities
Item #1. Page 212
Meeting Date: 9/12/2023 / Packet Page #: 215

PIPE REPLACEMENT PROGRAM
CITY OF GLENDORA 10-13 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Pipe replacement project priorities were increased for pipes that are identified by the City to have operation and maintenance concerns, as described in Section 10-6. Priorities are also increased for pipes near a critical facility, as described in Section 10-7. The individual pipe priorities are shown on Plate 10-1.
10-9 Project Recommendations
It should be noted that some of the improvement recommendations herein are conceptual in nature based on existing available planning information. Therefore, they should not be considered as absolute for final design.

Proposed pipe replacement projects costs are planning level estimates. Specific alignments and refined cost estimates should be developed as part of the preliminary design phase for each recommended project.
10-9.1 Recommended Improvement Costs
The recommended improvement cost estimates are based upon recent information for similar projects and include contingencies for this planning level study. The pipeline replacement costs are based upon $50 per diameter inch per foot. The replacement costs are based on pipeline replacement projects between Fiscal Year 2018-2019 and Fiscal Year 2020-2021.

The total project cost includes construction, contingency, design and administrative, and construction management and inspection costs. The individual cost components are calculated as follows:

1. Construction Cost = (pipe length (ft)) x (Improvement diameter size (in)) x ($50/diam-in/foot)

2. Design and Administrative Costs = 15% of the Construction Costs

3. Construction Management Costs = 15% of the Construction Costs

4. Contingency Costs = 20% of the Construction Costs

5. Total Project Cost = Construction Cost + Design and Administrative Costs + Construction Management Costs+ Contingency Cost
Total Project Cost = 1.5 x Construction Costs
10-9.2 Project Development
Projects were generally developed to include groups of pipes in the same general vicinity. The project priority was based on the highest individual pipe priority within each group of pipes and are categorized as Project Priority 1, Project Priority 2, and Project Priority 3.

The individual projects within each priority group were prioritized based on discussions with the City regarding historical condition concerns, the total pipe CoF values within each project, and the results from the hydraulic analyses.

As the Priority 1 projects in the pipe replacement program are implemented, it is recommended that the City reevaluate the lower Priority 2 and 3 projects with newer current leak and break data. The pipe priority and project recommendations should be updated at that time.

The pipe replacement project locations are shown on Plate 10-2 and summarized in Table 10-6. The detailed project summary data is included in Appendix 10-1.

Item #1. Page 213
Meeting Date: 9/12/2023 / Packet Page #: 216

PIPE REPLACEMENT PROGRAM
CITY OF GLENDORA 10-14 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
The total Pipe Replacement Program costs are as follows:

Priority 1 Projects 101,400 feet $64.8M
Priority 2 Projects 67,900 feet $43.4M
Priority 3 Projects 100,100 feet $75.0M
Total 269,300 feet $183.1M
Table 10-6
Pipe Replacement Project Summary Table
Priority
Project
ID
Project
Length
(ft)
Project Total
Cost ($) Priority
Project
ID
Project
Length
(ft)
Project Total
Cost ($)
1 1058 770 $692,896 31 1035 562 $337,387
2 1051 1,277 $765,953 32 1069 817 $489,984
3 1026 2,136 $1,281,881 33 1022 2,410 $1,546,008
4 1065 1,273 $763,533 34 1053 2,043 $1,225,665
5 1048 2,746 $1,647,359 35 1036 1,650 $990,284
6 1009 2,248 $1,348,793 36 1031 768 $461,047
7 1027 1,681 $1,008,778 37 1029 3,014 $1,808,485
8 1067 3,336 $2,001,824 38 1062 1,287 $772,411
9 1066 1,287 $772,063 39 1044 3,177 $1,905,996
10 1068 1,303 $781,846 40 1057 2,665 $1,598,885
11 1060 2,507 $1,504,019 41 1039 2,392 $1,435,040
12 1063 1,536 $1,893,705 42 1017 1,685 $1,010,817
13 1043 633 $380,012 43 1032 1,864 $1,118,113
14 1064 1,128 $1,522,963 44 1024 3,281 $1,968,564
15 1030 2,150 $1,290,063 45 1037 1,757 $1,054,086
16 1052 553 $331,574 46 1028 2,821 $1,692,330
17 1013 2,204 $1,322,596 47 1020 2,129 $1,277,643
18 1007 1,129 $797,171 48 1045 1,533 $1,044,068
19 1003 1,089 $653,594 49 1004 2,669 $1,628,469
20 1034 568 $340,914 50 1018 2,665 $1,599,258
21 1012 290 $348,347 51 1061 613 $459,619
22 1011 548 $328,634 52 1025 2,614 $1,568,494
23 1041 1,679 $1,007,329 53 1049 1,008 $604,605
24 1059 1,533 $1,078,121 54 1040 1,384 $830,459
25 1033 1,316 $789,650 55 1019 1,476 $885,509
26 1046 1,172 $703,400 56 1055 2,311 $1,386,648
27 1010 566 $679,189 57 1050 2,230 $1,337,874
28 1001 2,524 $2,271,888 58 1023 692 $415,286
29 1038 2,065 $1,238,716 59 1021 1,484 $890,581
30 1042 2,231 $1,338,301 60 1002 907 $544,139
101,387 64,772,867
Project Priority 1 Project Priority 1
Total
Item #1. Page 214
Meeting Date: 9/12/2023 / Packet Page #: 217

PIPE REPLACEMENT PROGRAM
CITY OF GLENDORA 10-15 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 10-6 (Continued)
Project Summary Table
Priority
Project
ID
Project
Length
(ft)
Project Total
Cost ($) Priority
Project
ID
Project
Length
(ft)
Project Total
Cost ($)
61 2028 1,111 $666,447 85 2010 940 $563,946
62 2006 381 $457,206 86 2011 1,389 $833,429
63 2044 1,830 $1,097,995 87 2022 1,133 $679,977
64 2020 1,864 $1,118,117 88 2019 2,061 $1,236,682
65 2031 1,034 $620,663 89 2021 2,319 $1,391,148
66 2043 1,299 $779,264 90 2005 501 $300,814
67 2025 1,511 $906,353 91 2017 2,581 $1,548,554
68 2024 463 $277,754 92 2049 1,166 $699,495
69 2030 1,179 $707,104 93 2004 705 $845,436
70 2035 1,830 $1,097,753 94 2041 806 $483,845
71 2034 2,135 $1,281,171 95 2015 2,365 $1,419,230
72 2047 654 $392,688 96 2013 2,635 $1,581,299
73 2018 1,411 $859,487 97 2016 2,661 $1,596,446
74 2046 1,077 $646,022 98 2040 762 $799,633
75 2001 933 $559,764 99 2012 1,199 $719,550
76 2045 843 $505,800 100 2037 1,376 $825,556
77 2032 545 $327,249 101 2053 1,794 $1,076,497
78 2023 2,526 $1,515,580 102 2002 1,616 $1,212,275
79 2026 955 $572,955 103 2003 1,285 $770,962
80 2033 2,220 $1,331,734 104 2038 582 $734,158
81 2009 2,755 $1,653,034 105 2051 1,935 $1,732,404
82 2048 549 $329,693 106 2050 905 $542,984
83 2014 2,825 $1,695,118 107 2052 1,108 $1,112,922
84 2036 2,145 $1,287,048 67,898 $43,393,241
Project Priority 2 Project Priority 2
Total
Item #1. Page 215
Meeting Date: 9/12/2023 / Packet Page #: 218

PIPE REPLACEMENT PROGRAM
CITY OF GLENDORA 10-16 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 10-6 (Continued)
Project Summary Table
Priority
Project
ID
Project
Length
(ft)
Project Total
Cost ($) Priority
Project
ID
Project
Length
(ft)
Project Total
Cost ($)
108 3061 443 $321,982 146 3060 596 $357,661
109 3038 495 $296,972 147 3062 712 $1,121,357
110 3020 1,242 $745,378 148 3021 1,368 $1,399,942
111 3015 244 $146,318 149 3012 2,612 $2,793,196
112 3081 385 $230,974 150 3068 1,433 $1,592,189
113 3013 532 $319,268 151 3052 691 $499,280
114 3050 643 $385,913 152 3028 1,192 $714,965
115 3082 919 $551,157 153 3006 1,936 $1,203,039
116 3080 1,067 $640,106 154 3035 2,623 $3,620,793
117 3026 997 $598,247 155 3004 1,329 $797,581
118 3027 454 $272,423 156 3011 1,729 $1,037,197
119 3053 1,722 $1,032,962 157 3071 603 $361,813
120 3076 1,838 $1,249,217 158 3078 580 $870,615
121 3042 1,019 $611,464 159 3074 1,255 $1,505,981
122 3079 429 $257,690 160 3017 1,968 $1,568,213
123 3045 1,283 $777,575 161 3009 1,258 $754,863
124 3022 1,025 $614,889 162 3001 2,217 $1,358,838
125 3043 683 $409,509 163 3073 1,689 $1,223,959
126 3065 1,274 $764,210 164 3058 1,025 $1,845,820
127 3064 1,149 $689,299 165 3051 1,663 $997,838
128 3070 1,286 $1,157,758 166 3075 1,171 $1,405,500
129 3063 1,057 $634,008 167 3057 1,738 $2,972,205
130 3077 696 $417,612 168 3056 1,385 $831,099
131 3040 1,757 $1,054,478 169 3083 3,372 $2,660,381
132 3023 844 $506,388 170 3054 1,562 $937,306
133 3059 692 $415,394 171 3033 1,716 $1,175,688
134 3025 1,262 $757,470 172 3002 834 $500,261
135 3041 602 $360,954 173 3010 1,422 $853,086
136 3039 1,727 $1,036,341 174 3034 1,969 $1,387,178
137 3007 581 $1,306,641 175 3055 1,642 $985,213
138 3008 2,187 $1,356,210 176 3046 1,572 $943,480
139 3036 3,094 $1,856,408 177 3047 1,746 $1,047,747
140 3024 1,871 $1,122,737 178 3018 803 $481,516
141 3044 1,280 $768,219 179 3031 1,986 $1,760,886
142 3029 1,867 $1,120,306 180 3032 1,653 $992,010
143 3003 2,135 $1,340,387 181 3030 1,612 $1,174,060
144 3048 1,244 $746,471 182 3084 1,509 $905,287
145 3037 1,316 $789,580 183 3085 550 $659,592
Total 100,062 $74,960,553
Project Priority 3 Project Priority 3
Item #1. Page 216
Meeting Date: 9/12/2023 / Packet Page #: 219
CITY OF GLENDORA 11-1 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
SECTION 11

FACILITY ASSESSMENTS
11-1 General
As a part of the Master Plan work, each well, pump station, and storage reservoirs was evaluated to assess its condition and develop improvement recommendations. As-built plans, sanitary survey reports, maintenance records, pump curves and efficiency tests, dive reports, and other available historical information were reviewed as a part of the evaluation. City staff was interviewed by and accompanied AKM staff on tours of each facility as well. 11-2 Wells
The City’s water system consists of eight (8) active wells. Wells 5, 8, 9, and 12 are located at the San Gabriel Plant in Azusa. Groundwater is first pumped into the San Gabriel Reservoir and then into Zone 1 via the San Gabriel Booster Pump Station. Wells 2, 10, 11, and 13 pump groundwater to Goddard and Sierra Madre Reservoirs, located at the City’s Water Yard.

The assessments were based on field site investigations, discussions with City staff, review of asbuilt plans, pump curves and efficiency tests, installation reports, and Sanitary Survey reports.

Detailed notes of the well assessments and recommendations can be found in Appendix 11-1. The recommendations are summarized in Table 11-1 at the end of this section. The total cost of the well improvements is estimated at about $46.2 Million.

Some of the common recommendations at booster pump stations include the following:
 Well rehabilitation – brush and clean, dual swab mechanical, focus intake pumping, and pumping development
 Replace discharge piping and valves
 Addition of automatic pump to waste
 Conduct dual-cam downhole video survey
It is recommended that Well 2 and Well 13 be converted to submersible pumps and that standby generators be added on-site.

Well rehabilitation is recommended for Well 8 and Well 9. This includes dual swab brushing and cleaning, focus intake pumping, and pumping development.

It is recommended that Well 10 and Well 11 be demolished and that a new well be drilled and equipped to replace them. Standby generators and wellhead nitrate treatment will be required.

The Capital Improvement Program (CIP) includes recommendations and costs for improvements for Well 5 to extend its useful life and bring the facility up to the standard code. In the future, the City would like to study the possibility of a new well site on the City owned property adjacent the golf course. The study should determine the exact location and size of the potential well site. The groundwater quality and the size of the discharge piping should also be evaluated. The cost of a new well and dishcarge piping is included in the CIP.

Well rehabilitation and improvement recommendations are included for Well 2, 8, 9, 12, and 13.

Item #1. Page 217
Meeting Date: 9/12/2023 / Packet Page #: 220

FACILITY ASSESSMENTS
CITY OF GLENDORA 11-2 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
11-3 Storage Reservoirs and Hydropneumatic Tanks
The City’s water system consists of twenty-nine (29) active storage reservoirs and three (3) hydraopneumatic tanks. There are sixteen (16) welded steel tanks, five (5) bolted steel tanks, and eight (8) concrete reservoirs.

The assessments were based on field site investigations, discussions with City staff, review of asbuilt plans, dive inspection reports, and review of Sanitary Survey reports. Detailed notes of the reservoir assessments and recommendations can be found in Appendix 11-2. The recommendations are summarized in Table 11-2 at the end of this section. The total cost of the reservoir improvements is estimated at about $52.8 Million.

Some of the common recommendations at multiple storage reservoirs include the following:
 Addition of a mixer
 Addition of a railing around the roof
 Addition of a SAFT climb to ladder
 Ladder cage repairs
 Replacement of interior and/or exterior ladders
 Hatch replacement or addition of hatch
 Ventilation improvements
North Glendora Reservoir B is recommened to be demolished and replaced with two new tanks. This reservoir has numerous and significant leaks at the connections of the bolted steel plates. Past repair work has not prevented the leakage. A corrective plan of action was submitted to the Department of Drinking Water (DDW) by the City in February 2022. Preliminary design of the replacement tanks is underway and is expected to be completed in FY 2023. Construction is scheduled for FY 2024 through FY 2025.

It is recommended that the existing South Hills West Reservoir A be demolished and that a new 3 MG steel reservoir be constructed to replace it. Due to the elevation difference between the South Hills West Reservoir A and B sites, it is recommended that a detailed study of these two reservoirs be conducted during the design phase of the new reservoir to evaluate how the two reservoirs should be operated together. The high water elevation of the South Hills West Reservoir A is 969 feet. The high water elevation of the South Hills West Reservoir B is 976 feet. Therefore, the top 7 feet of the South Hills West Reservoir B is not useable.

It is recommended that the Boy Scouts Reservoir A be removed from service. The City should construct an above ground non-potable water tank with a mixer. The tank would be filled whenever the Boy Scout camp is occupied and the water would only be used for the restrooms.\ Recoating or replacement of the hydropnuematic tanks (Silent Ranch A, Eagle Ridge A, and Rainbow A) are recommended unless it is determined that the tank can be removed by constructing additional piping and a pressure relief valve connected to an adjacent zone. This should be determined during the preliminary design study of the booster pump stations and hydropneumatic systems.

The Bluebird Hill Reservoirs B and A is recommended to be demolished and replaced. An increase in volume is recommended if space allows for it. This should be determined by conducting a detailed Item #1. Page 218
Meeting Date: 9/12/2023 / Packet Page #: 221

FACILITY ASSESSMENTS
CITY OF GLENDORA 11-3 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
hydraulic analysis of Zone 3D and preliminary design study of the Bluebird Booster Pump Station and Bluebird Hill Reservoirs B and A.
11-4 Booster Pump Stations
The City’s water system consists of twenty (20) booster pump stations. Three of the stations serve water to hydropneumatic systems.

The assessments were based on field site investigations, discussions with City staff, review of asbuilt plans, pump curves and efficiency tests, and Sanitary Survey reports. Detailed notes of the booster pump stations assessments and recommendations can be found in Appendix 11-3. The recommendations are summarized in Table 11-3 at the end of this section. The total cost of the booster pump station improvements is estimated at about $55.5 Million.

Some of the common recommendations at booster pump stations include the following:
 Addition of permanent standby generator
 Raise pump base to 18” above floor
 Electrical upgrades
 Addition of a fire pump
11-4.1 Hydraulic Studies
A preliminary design study should be conducted for designs of all major water facilities. There are several areas of the service area that require detailed hydraulic studies prior to implementing improvement projects at booster pump stations and/or storage reservoirs providing water for these specific areas. It must be ensured that the demands (daily and fire flow) and required pressures will be met under all conditions. These areas are primarily the smaller zones with lower demands and located in the hillsides. The hydropneumatic systems are included in these areas as well. The number of pumps, pump capacities, reservoir sizes, etc. should be determined during the preliminary design studies.

The detailed hydraulic studies are needed due to storage, pumping, and fire flow deficiencies (see Section 9-3.4, 9-4, and 9-6) identified during the analysis completed for this Master Plan. The recommended hydraulic studies are as follows:

1. Zone 1A – The Zone 1A storage requirement is 0.360 MG. The existing available storage at Hicrest Reservoirs B and A is a total of 0.301 MG. The Hicrest Booster Pump Station has a firm capacity of about 458 gpm. The fire flow requirement for Zone 4 is 2,500 gpm for 2 hours, which will drain the reservoirs. It is recommended that Zone 4 be studied to determine the best way to meet the daily demands of the zone as well as the fire flow requirements.

2. Zone 3C – The Zone 3C storage requirement is 0.313 MG. The existing available storage at Big Dalton Reservoir A and is a total of 0.028 MG. The Dalton Booster Pump Station has a capacity of about 1100 gpm. The fire flow requirement for Zone 3C is 2,500 gpm for 2 hours.

Water is pumped via Dalton Booster Pump Station to Big Dalton Reservoir A. The water in the reservoir is primarily used to fill up trucks for fire fighting purposes and is pumped to Boy Scout Reservoir A during the summer months when the Boy Scout camp is in use. It is Item #1. Page 219
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CITY OF GLENDORA 11-4 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
recommended that Zone 3C be studied to determine the best way to meet the daily demands of the zone as well as the fire flow requirements.

3. Zone 1BH1 – Zone 1BH1 is a hydropneumatic system, provided water via the Silent Ranch Booster Pump Station. The fire flow requirement for Zone 1BH1 is 2,500 gpm for 2 hours.

The Zone 1BH1 maximum day plus fire demand is 2,537 gpm. The firm capacity of the Silent Ranch Booster Pump Station is 180 gpm.

It is recommended that a study be undertaken to determine if the hydropneumatic system should be replaced with two duty pumps and variable frequency drives at the Silent Ranch Booster Pump Station and a connection to Zone 1B with a pressure relief valve or if the existing pump station and hydropneumatic tank should remain in place with needed replacements/upgrades. The recommended Zone 1B loop in North Silent Ranch Road should also be evaluated. It is intended to provide fire protection to a portion of the Zone 1BH1 service area via Zone 1B.

4. Zone 2H2 – Zone 2H2 is a hydropneumatic system, provided water via the Eagle Ridge Booster Pump Station. The fire flow requirement for Zone 2H2 is 2,500 gpm for 2 hours. The Zone 2H2 maximum day plus fire demand is 2,510 gpm. The firm capacity of the Eagle Ridge Booster Pump Station is 670 gpm.

It is recommended that a study be undertaken to determine if the hydropneumatic system should be replaced with two duty pumps with variable frequency drives and a fire pump at the Eagle Ridge Booster Pump Station and a connection to Zone 2 with a pressure relief valve or if the existing pump station and hydropneumatic tank should remain in place with needed replacements/upgrades.

5. Zone 4 – The Zone 4 storage requirement is 0.314 MG. The existing available storage at Lower Gordon Reservoirs B and A is a total of 0.228 MG. The Morgan Ranch Booster Pump Station has a firm capacity of about 545 gpm. The fire flow requirement for Zone 4 is 2,500 gpm for 2 hours. It is recommended that Zone 4 be studied to determine the best way to meet the daily demands of the zone as well as the fire flow requirements.

The City is also concerned about redundancy since there is only one distribution line providing water from Morgan Ranch Booster Pump Station to the Lower Gordon Reservoirs and Gordon Booster Pump Station which provides water to Zone 4A. The City would like to explore the possibility of a parallel distribution line or a connection to Zone 3D through the Bluebird Preserve.

6. Zone 4A – The Zone 4A storage requirement is 0.445 MG. The existing available storage at Upper Gordon Reservoirs B and A is a total of 0.320 MG. The Gordon Booster Pump Station has a firm capacity of about 435 gpm. The fire flow requirement for Zone 4A is 2,500 gpm for 2 hours. It is recommended that Zone 4A be studied to determine the best way to meet the daily demands of the zone as well as the fire flow requirements.

The City would also like an elevation study to first be conducted to determine how much future development/expansion can occur in Zone 4A.

7. Zone 2H1 – Zone 2H1 is a hydropneumatic system, provided water via the Rainbow Booster Pump Station. The fire flow requirement for Zone 2H1 is 2,500 gpm for 2 hours. The Zone Item #1. Page 220
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FACILITY ASSESSMENTS
CITY OF GLENDORA 11-5 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
2H1 maximum day plus fire demand is 2,513 gpm. The firm capacity of the Rainbow Booster Pump Station is 227 gpm.

It is recommended that a study be undertaken to determine if the hydropneumatic system should be replaced with two duty pumps with variable frequency drives and a fire pump at the Rainbow Booster Pump Station and a connection to Zone 2 with a pressure relief valve or if the existing pump station and hydropneumatic tank should remain in place with needed replacements/upgrades.

8. Zone 3A – The Zone 3A storage requirement is 0.442 MG. The existing available storage at the existing Zone 3A Reservoirs is a total of 0.349 MG. The Glencoe Booster Pump Station has a firm capacity of about 470 gpm. The fire flow requirement for Zone 3A is 2,500 gpm for 2 hours.

The replacement for North Glendora Reservoir B was under design while this Master Plan study was being completed. It is planned to replace the current reservoir with two new ones.

A preliminary design report should be prepared for the replacement of the Glencoe Booster Pump Station, utilizing the new North Glendora Reservoirs design. The study should also consider the future customer line extension in North Glendora Avenue (See Project G-P03 on Figure 9-4).

9. Zone 3B – The Zone 3B storage requirement is 0.314 MG. The existing available storage at Englewild Canyon Reservoirs A and B is a total of 0.012 MG. The Englewild Canyon Booster Pump Station has a firm capacity of about 32 gpm. The fire flow requirement for Zone 3B is 2,500 gpm for 2 hours. It is recommended that Zone 3B be studied to determine the best way to meet the daily demands of the zone as well as the fire flow requirements.

10. Zone 3D – The Zone 3D storage requirement is 0.383 MG. The existing available storage at Bluebird Reservoirs B and A is a total of 0.106 MG. The Bluebird Booster Pump Station has a firm capacity of about 110 gpm. The fire flow requirement for Zone 3D is 2,500 gpm for 2 hours. It is recommended that Zone 3D be studied to determine the best way to meet the daily demands of the zone as well as the fire flow requirements.

Improvements to consider for the hydraulic study include the following:
 Upsize about 3,000 feet of pipe from 6-inch to 10-inch from the Bluebird Booster Pump Station to the Bluebird Reservoirs
 Pipe replacement projects (See Plate 10-2)
 Replace pump station with 2 duty pumps and 1 fire pump  Replace reservoirs and increase volume, if possible
 Create loop east of Bluebird Road and south of Bluebird Reservoirs (See Project GP01 on Figure 9-4)  Create loop through Mountain Lane (See Project G-P02 on Figure 9-4) 11-5 Water Yard Facility
The recommended improvements related to the City’s water yard facility (~$7.0 Million) are as follows and listed in Table 11-4 at the end of this section:

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CITY OF GLENDORA 11-6 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan

1. Additional and upgraded camera system

2. Warehouse replacement and potential relocation

3. Parking improvements

4. NPDES/spoils/washout relocation

5. Solid security fence installation around facility

6. Standby generator

7. Chemical building upgrades
11-6 San Gabriel Yard
The recommended improvements related to the City’s San Gabriel Yard facility (~$4.2 Million) are as follows and listed in Table 11-4 at the end of this section:

1. Installation of camera system

2. Higher walls around the perimeter

3. Additional generator capacity

4. Chlorination system improvements, including vault flood sensors, seismic upgrades, scrubber installation assessment, sump pump upgrade, connection to SCADA, chlorine well injection line design and replacement, and 2 pumps and skids

5. Surge tank evaluation
11-7 General Water System Improvement Recommendations
Improvement recommendations for the water system (~$2.8 Million) are as follows and listed in Table 11-4 at the end of this section:

1. Assess and maintain Well 5 and Well 7 easements for future use

2. Comprehensive SCADA upgrade assessment

3. Comprehensive standby power assessment

4. Comprehensive valve assessment

5. Valve replacement program
11-8 Project Priorities
The projects are provided for each recommendation in Tables 11-1 through 11-4. The priorities are based on the condition observed in the field, discussions with City staff, and health and safety concerns for the public and operations staff.

The projects are grouped by facility site in Tables 11-1 through 11-4. Appendix 11-2 provides the project recommendations by priority instead of grouped by project site.

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FACILITY ASSESSMENTS
CITY OF GLENDORA 11-7 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 11-1
Well Improvement Recommendations
Facility Type
Facility
Name Recommendations Recommendation Notes Priority
Construction
Cost Estimate
for
Improvements
Design &
Administration
Cost ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total Project
Cost ($)
Convert to Submersible pump Medium $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Conduct Casing Inspection Thickness Measurement
(CITM) Survey Medium $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Conduct dual-cam downhole video survey Medium $ 2,000 $ 400 $ 300 $ 400 $ 3,100 Add 100 kW standby generator and Automatic Transfer
Switch
Individual standby generator cost was added
for CIP purposes. Additionally, a study
should be conducted to determine the
standby power size for the site.

Medium $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000
Replace Switchboard, MCC, Control Panel Medium $ 450,000 $ 90,000 $ 67,500 $ 90,000 $ 697,500 Construct Rollaway Building, Site Improvements Medium $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Add automatic pump to waste Medium $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Replace discharge piping and valves Medium $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 Construct Building, Site Improvements Conduct project when golf course is updated Low-Medium $ 400,000 $ 80,000 $ 60,000 $ 80,000 $ 620,000 Conduct CCTV Inspection, Casing Inspection Thickness
Measurement (CITM) Survey Low-Medium $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Conduct dual-cam downhole video survey Low-Medium $ 2,000 $ 400 $ 300 $ 400 $ 3,100 Replace discharge piping and valves Low-Medium $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Add a level transducer Low-Medium $ 15,000 $ 3,000 $ 2,250 $ 3,000 $ 23,250 Add automatic discharge to waste At pump head Low-Medium $ 30,000 $ 6,000 $ 4,500 $ 6,000 $ 46,500 Electrical upgrades 30 years old; need to replace VFD, starters, controls, etc. Low-Medium $ 250,000 $ 50,000 $ 37,500 $ 50,000 $ 387,500 * Feasibility Study for new well location
Study to determine exact location and size
of site, as well as evaluate the groundwater
quality and well constructability at selected
site.

Low $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000
Replace discharge piping and resize Replace at 3000 feet of pipe at end of useful life; estimated size is 16-inch Low $ 2,400,000 $ 480,000 $ 360,000 $ 480,000 $ 3,720,000 Conduct Casing Inspection Thickness Measurement
(CITM) Survey Medium $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Conduct dual-cam downhole video survey Medium $ 2,000 $ 400 $ 300 $ 400 $ 3,100 New stainless steel liner Medium $ 420,000 $ 84,000 $ 63,000 $ 84,000 $ 651,000 Well rehabilitation
Brush and clean, dual swab mechanical,
focus intake pumping, and pumping
development
Medium $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000
Well
Well
Well
Well 2
Well 5
Well 8
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FACILITY ASSESSMENTS
CITY OF GLENDORA 11-8 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 11-1 (Continued)
Well Improvement Recommendations
Facility Type
Facility
Name Recommendations Recommendation Notes Priority
Construction
Cost Estimate
for
Improvements
Design &
Administration
Cost ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total Project
Cost ($)
Conduct Casing Inspection Thickness Measurement
(CITM) Survey Medium $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Conduct dual-cam downhole video survey Medium $ 2,000 $ 400 $ 300 $ 400 $ 3,100 New stainless steel liner Medium $ 420,000 $ 84,000 $ 63,000 $ 84,000 $ 651,000 Well rehabilitation
Brush and clean, dual swab mechanical,
focus intake pumping, and pumping
development
Medium $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000
Demolish existing well Medium $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000 * Drill new well Medium $ 1,800,000 $ 360,000 $ 270,000 $ 360,000 $ 2,790,000 * Equip new well with standby generator Medium $ 3,500,000 $ 700,000 $ 525,000 $ 700,000 $ 5,425,000 * Construct wellhead nitrate treatment Medium $ 1,200,000 $ 240,000 $ 180,000 $ 240,000 $ 1,860,000 Demolish existing well Low $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Drill new well Low $ 1,800,000 $ 360,000 $ 270,000 $ 360,000 $ 2,790,000 * Equip new well with standby generator Low $ 3,500,000 $ 700,000 $ 525,000 $ 700,000 $ 5,425,000 * Construct wellhead nitrate treatment Low $ 1,200,000 $ 240,000 $ 180,000 $ 240,000 $ 1,860,000 Conduct Casing Inspection Thickness Measurement
(CITM) Survey Medium-High $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Well rehabilitation
Brush and clean, dual swab mechanical,
focus intake pumping, and pumping
development
Medium-High $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 New stainless steel liner Medium-High $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Upgrade electrical and controls Medium-High $ 400,000 $ 80,000 $ 60,000 $ 80,000 $ 620,000 Manual transfer switch and portable generator Medium-High $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Raise pump base to 18" above floor Medium-High $ 40,000 $ 8,000 $ 6,000 $ 8,000 $ 62,000 Replace discharge piping Reuse valves Medium-High $ 70,000 $ 14,000 $ 10,500 $ 14,000 $ 108,500 New Well Building and floors Medium-High $ 400,000 $ 80,000 $ 60,000 $ 80,000 $ 620,000 Convert to Submersible pump Medium $ 420,000 $ 84,000 $ 63,000 $ 84,000 $ 651,000 New Building Includes new water source for chlorine Medium $ 500,000 $ 100,000 $ 75,000 $ 100,000 $ 775,000 Add 300 kW standby generator and Automatic Transfer
Switch
Individual standby generator cost was added
for CIP purposes. Additionally, a study
should be conducted to determine the
standby power size for the site.

Medium $ 400,000 $ 80,000 $ 60,000 $ 80,000 $ 620,000
Add water chiller (for chlorine line) Medium $ 40,000 $ 8,000 $ 6,000 $ 8,000 $ 62,000 $ 22,583,000 $ 4,516,600 $ 3,387,450 $ 4,516,600 $ 35,003,650 *Includes preliminary design report / detailed hydraulic analysis / study Well
Well
Well
Well
Well
Total Well Improvement Costs
Well 10
Well 11
Well 13
Well 9
Well 12
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FACILITY ASSESSMENTS
CITY OF GLENDORA 11-9 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 11-2
Reservoir Improvement Recommendations
Facility Type
Facility
Name Recommendations Recommendation Notes Priority
Construction
Cost Estimate
for
Improvements
Design &
Administration
Cost ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total Project
Cost ($)
Reservoir San Gabriel
(1.0 MG) * Construct new inlet header to reservoir and underground vault Includes Preliminary Design Report Low $ 800,000 $ 160,000 $ 120,000 $ 160,000 $ 1,240,000 Demolish existing reservoir Suspected hazmat abatement i.e., lead, asbestos, etc. High $ 1,000,000 $ 200,000 $ 150,000 $ 200,000 $ 1,550,000 * Construct new 3 MG steel reservoir Include detailed study of how to construct and limit impact on Reservoir 1C High $ 5,000,000 $ 1,000,000 $ 750,000 $ 1,000,000 $ 7,750,000 Access road improvements Asphalt road to site about 2300 feet High $ 1,380,000 $ 276,000 $ 207,000 $ 276,000 $ 2,139,000 Add mixer High $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000 Add solar power with back-up generator 2 mixers Medium $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 Ventilation and Active Ventilation improvements Add blowers and vents High $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000 Chlorine injection/monitoring Cut into roof Medium $ 60,000 $ 12,000 $ 9,000 $ 12,000 $ 93,000 Access road improvements Medium $ 240,000 $ 48,000 $ 36,000 $ 48,000 $ 372,000 Add safety/fall protection along stairs access High $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Security improvements (cameras) Medium $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Add SAFT climb to ladder High $ 10,000 $ 2,000 $ 1,500 $ 2,000 $ 15,500 Add railing around roof High $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Reconstruct suction line High $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Ventilation and Active Ventilation improvements Add blowers and vents High $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Add mixer High $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 Add chlorine analyzer off suction line and connect to
SCADA High $ 60,000 $ 12,000 $ 9,000 $ 12,000 $ 93,000
Site improvements Add retaining wall along north side of reservoir; about 200 feet long x 20 feet high Low $ 600,000 $ 120,000 $ 90,000 $ 120,000 $ 930,000 Add a drop down nitrate analyzer Currently only on top. Want another that just sits 2-3 feet from the floor Low $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Add mixer High $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Add railing around roof High $ 76,000 $ 15,200 $ 11,400 $ 15,200 $ 117,800 Additional ventilation 2 additional vents High $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Add solar power and backup generator Medium $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Replace nitrate analyzer Medium $ 30,000 $ 6,000 $ 4,500 $ 6,000 $ 46,500 Add mixer High $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Add CL2 injection points/monitoring to SCADA Medium $ 60,000 $ 12,000 $ 9,000 $ 12,000 $ 93,000 Larger vent High $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Solar power/generator Medium $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Remove/relocate IT equipment from the roof. High $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000 Replace interior and exterior ladder High $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Add railing around roof High $ 43,000 $ 8,600 $ 6,450 $ 8,600 $ 66,649 Exterior ladder cage High $ 16,000 $ 3,200 $ 2,400 $ 3,200 $ 24,800 Reservoir
Reservoir
Reservoir
Reservoir
Reservoir
South Hills
West A
(3.0 MG)
South Hills
West B
(7.0 MG)
Sierra Madre
A
(4.0 MG)
Goddard A
(3.5 MG)
South Hills
East A
(2.5 MG)
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CITY OF GLENDORA 11-10 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 11-2 (Continued)
Reservoir Improvement Recommendations
Facility Type
Facility
Name Recommendations Recommendation Notes Priority
Construction
Cost Estimate
for
Improvements
Design &
Administration
Cost ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total Project
Cost ($)
Add mixer High $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Improve ventilation High $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 New ladder with SAFT climb High $ 75,000 $ 15,000 $ 11,250 $ 15,000 $ 116,250 Add railing around roof High $ 35,000 $ 7,000 $ 5,250 $ 7,000 $ 54,250 Overflow outlet structure Interim Improvement High $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Demolish Reservoir Low $ 1,000,000 $ 200,000 $ 150,000 $ 200,000 $ 1,550,000 Spot repair and paint Low-Medium $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Add mixer High $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Improve ventilation High $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Add railing around roof High $ 42,000 $ 8,400 $ 6,300 $ 8,400 $ 65,100 Replace interior coating
Evaluate existing coating first. Cost to
replace coating included for budgeting
purposes.

Low-Medium $ 870,000 $ 174,000 $ 130,500 $ 174,000 $ 1,348,500 Demolish reservoir High $ 700,000 $ 140,000 $ 105,000 $ 140,000 $ 1,085,000 Construct new 0.75 MG reservoir High $ 3,500,000 $ 700,000 $ 525,000 $ 700,000 $ 5,425,000 Relocate electrical for the site High $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Site improvements Separated out site improvements in case it is needed before reservoir reconstruction High $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000 Reservoir
Country Club
North B
(0.688 MG)
Add mixer High $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Add mixer High $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Repair Brick wall separation and gutter Low $ 60,000 $ 12,000 $ 9,000 $ 12,000 $ 93,000 Repair expansion joint material Low $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Replace overflow piping Dive Report mentions replacement in the next year Low $ 30,000 $ 6,000 $ 4,500 $ 6,000 $ 46,500 Repair cracking in southwest corner Low $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Replace internal joint material Low $ 60,000 $ 12,000 $ 9,000 $ 12,000 $ 93,000 Replace underdrain monitoring vault lid Low $ 10,000 $ 2,000 $ 1,500 $ 2,000 $ 15,500 Add SAFT climb to ladder High $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Replace security fence High $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Add mixer High $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Solar/generator Low-Medium $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Seal railing connection to roof High $ 10,000 $ 2,000 $ 1,500 $ 2,000 $ 15,500 Miscellaneous site improvements Landscaping and asphalt Low-Medium $ 70,000 $ 14,000 $ 10,500 $ 14,000 $ 108,500 Replace exterior ladder with SAFT climb. High $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Reservoir Hicrest B
(0.274 MG) Miscellaneous coating repairs Include corrosion consultant review of cathodic protection system adjustment box Low $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Reservoir Hicrest A
(0.116 MG) Miscellaneous coating repairs Include corrosion consultant review of cathodic protection system adjustment box Low $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Reservoir
Reservoir
Reservoir
Reservoir
Reservoir
Hidden
Springs A
(1.25 MG)
Hidden
Springs B (3.5
MG)
Country Club
South A
(0.688 MG)
Morgan Ranch
A
(2.5 MG)
Englewild A
(2.5 MG)
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FACILITY ASSESSMENTS
CITY OF GLENDORA 11-11 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 11-2 (Continued)
Reservoir Improvement Recommendations
Facility Type
Facility
Name Recommendations Recommendation Notes Priority
Construction
Cost Estimate
for
Improvements
Design &
Administration
Cost ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total Project
Cost ($)
Interior coating repairs Low $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Redo caulking Low $ 2,000 $ 400 $ 300 $ 400 $ 3,100
Add railing around roof High $ 25,000 $ 5,000 $ 3,750 $ 5,000 $ 38,750 Ladder cage repairs High $ 10,000 $ 2,000 $ 1,500 $ 2,000 $ 15,500 Add second hatch High $ 30,000 $ 6,000 $ 4,500 $ 6,000 $ 46,500 Site paving repairs Low $ 12,500 $ 2,500 $ 1,875 $ 2,500 $ 19,375 Interior coating repairs Low $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Redo caulking Low $ 2,000 $ 400 $ 300 $ 400 $ 3,100
Add railing around roof High $ 25,000 $ 5,000 $ 3,750 $ 5,000 $ 38,750 Ladder cage repairs High $ 10,000 $ 2,000 $ 1,500 $ 2,000 $ 15,500 Add second hatch High $ 30,000 $ 6,000 $ 4,500 $ 6,000 $ 46,500 Site paving repairs Low $ 12,500 $ 2,500 $ 1,875 $ 2,500 $ 19,375 Change out existing BIF level sensor that runs on phone line to level transducer Low $ 15,000 $ 3,000 $ 2,250 $ 3,000 $ 23,250 Coating interior and exterior Low $ 180,000 $ 36,000 $ 27,000 $ 36,000 $ 279,000 SCADA upgrade with cellular data Low $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Add mixer High $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Site improvements Retaining wall about 80 ft long x 10 ft high High $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 Add railing around roof High $ 10,000 $ 2,000 $ 1,500 $ 2,000 $ 15,500 Power solar/generator Low $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Remove existing pump station and reservoir. Disconnect discharge pipe and fill with concrete High $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Build above ground tank to be filled and water used only for restrooms while Boy Scout camp is occupied.

Exact size to be determined based on
maximum number of people High $ 250,000 $ 50,000 $ 37,500 $ 50,000 $ 387,500 Tank mixer High $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 * Replace hydropneumatic tank High $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 * Construct about 200 feet of 8-inch pipe, pressure relief valve and vault, connected to Zone 5.

Use in case hydropneumatic tank is not
replaced High $ 240,000 $ 48,000 $ 36,000 $ 48,000 $ 372,000 * Recoat hydropnuematic tank High $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 * Add Pressure Relief line and valve to Zone 2 (about 200 feet of 8-inch pipe and valve vault)
Use in case hydropneumatic tank is not
replaced High $ 240,000 $ 48,000 $ 36,000 $ 48,000 $ 372,000 Exterior coating/interior coating Low $ 400,000 $ 80,000 $ 60,000 $ 80,000 $ 620,000 Hatch replacement and new hatch Move hatch away from access ladder and add second hatch High $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Ventilation improvements High $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Add railing around roof High $ 25,000 $ 5,000 $ 3,750 $ 5,000 $ 38,750 Exterior coating/interior coating Low $ 400,000 $ 80,000 $ 60,000 $ 80,000 $ 620,000 Hatch replacement and new hatch Move hatch away from access ladder and add second hatch High $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Ventilation improvements High $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Add railing around roof High $ 25,000 $ 5,000 $ 3,750 $ 5,000 $ 38,750 Reservoir
Reservoir
Reservoir
Reservoir
Reservoir
Reservoir
Reservoir
Reservoir
Silent Ranch
A
Eagle Ridge A
Hook Cyn B
(0.33 MG)
Big Dalton A
(0.045 MG)
Boy Scouts A
(0.01 MG)
Lower Gordon
B
(0.16 MG)
Lower Gordon
A
(0.16 MG)
Hook Cyn A
(0.33 MG)
Item #1. Page 227
Meeting Date: 9/12/2023 / Packet Page #: 230

FACILITY ASSESSMENTS
CITY OF GLENDORA 11-12 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 11-2 (Continued)
Reservoir Improvement Recommendations
Facility Type
Facility
Name Recommendations Recommendation Notes Priority
Construction
Cost Estimate
for
Improvements
Design &
Administration
Cost ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total Project
Cost ($)
Interior coating Medium $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Exterior coating Medium $ 250,000 $ 50,000 $ 37,500 $ 50,000 $ 387,500 Add cathodic protection Medium $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Replace interior ladders High $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Interior coating Medium $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Exterior coating Medium $ 250,000 $ 50,000 $ 37,500 $ 50,000 $ 387,500 Add cathodic protection Medium $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Replace interior ladders High $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 * Recoat hydropneumatic tank High $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 * Add about 350 feet of 8-inch pipe, pressure relief valve and vault, connected to Zone 2.

Use in case hydropneumatic tank is not
replaced High $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Site maintenance outside fence perimeter Clear brush in front of overflow/drain Low $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Access road improvements Regrading and asphalt whole road, about 1000 feet High $ 600,000 $ 120,000 $ 90,000 $ 120,000 $ 930,000 Add railing around roof High $ 16,000 $ 3,200 $ 2,400 $ 3,200 $ 24,800 Add retaining wall on north side of site High $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Add flexible coupling to overflow pipe Low $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Add railing around roof High $ 8,000 $ 1,600 $ 1,200 $ 1,600 $ 12,400 Add flexible coupling to overflow pipe Low $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Reservoir
North
Glendora B
(0.318 MG)
* Replace reservoir with two tanks Includes generator and solar High $ 5,000,000 $ 1,000,000 $ 750,000 $ 1,000,000 $ 7,750,000 Add railing around roof High $ 16,000 $ 3,200 $ 2,400 $ 3,200 $ 24,800 Replace interior and exterior coating Low $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Add SCADA levels/power Low $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Add railing around roof High $ 16,000 $ 3,200 $ 2,400 $ 3,200 $ 24,800 Replace interior and exterior coating Low $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Add SCADA levels/power Low $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Reservoir Bluebird Hill B
(0.125 MG)
Purchase property for one or both new
reservoirs; Cost estimated for one 0.44 MG Medium $ 2,500,000 $ 500,000 $ 375,000 $ 500,000 $ 3,875,000 Reservoir Bluebird Hill A
(0.0125 MG)
Cost estimated for one 0.135 MG on
existing property and includes demolition Medium $ 800,000 $ 160,000 $ 120,000 $ 160,000 $ 1,240,000 $ 34,037,000 $ 6,807,400 $ 5,105,550 $ 6,807,400 $ 52,757,349 *Includes preliminary design report / detailed hydraulic analysis / study Reservoir
Reservoir
Reservoir
Reservoir
Reservoir
Reservoir
Reservoir Rainbow A
Replace reservoirs; increase volume if possible
Englewild Cyn
A
(0.01 MG)
*
Glencoe A
(0.0125 MG)
Englewild Cyn
B
(0.01 MG)
Upper Gordon
B
(0.20 MG)
Upper Gordon
A
(0.20 MG)
Glencoe B
(0.125 MG)
Total Reservoir Improvement Costs
Item #1. Page 228
Meeting Date: 9/12/2023 / Packet Page #: 231

FACILITY ASSESSMENTS
CITY OF GLENDORA 11-13 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 11-3
Booster Pump Station Improvement Recommendations
Facility Type
Facility
Name Recommendations Recommendation Notes Priority
Construction
Cost Estimate
for
Improvements
Design &
Administration
Cost ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total Project
Cost ($)
Add 18 pulse VFDs for 250 hp pumps (x2) Medium-High $ 360,000 $ 72,000 $ 54,000 $ 72,000 $ 558,000 Add 18 pulse VFDs for 350 hp pumps (x2) Medium-High $ 600,000 $ 120,000 $ 90,000 $ 120,000 $ 930,000 3000 amp ATS Medium-High $ 500,000 $ 100,000 $ 75,000 $ 100,000 $ 775,000 Electrical improvements Dependent on VFDs Medium-High $ 500,000 $ 100,000 $ 75,000 $ 100,000 $ 775,000 Replace electrical panel Medium-High $ 400,000 $ 80,000 $ 60,000 $ 80,000 $ 620,000 Site Improvements Concrete floor and drainage Medium-High $ 40,000 $ 8,000 $ 6,000 $ 8,000 $ 62,000 Replace suction line 12-inch suction Medium-High $ 180,000 $ 36,000 $ 27,000 $ 36,000 $ 279,000 Suction isolation valves 3 Medium-High $ 30,000 $ 6,000 $ 4,500 $ 6,000 $ 46,500 Replace pump barrels 25 feet Medium-High $ 180,000 $ 36,000 $ 27,000 $ 36,000 $ 279,000 Coating Medium-High $ 10,000 $ 2,000 $ 1,500 $ 2,000 $ 15,500 SCADA improvements Medium-High $ 30,000 $ 6,000 $ 4,500 $ 6,000 $ 46,500 Replace suction line 14 inch suction Medium-High $ 210,000 $ 42,000 $ 31,500 $ 42,000 $ 325,500 Suction isolation valves Medium-High $ 45,000 $ 9,000 $ 6,750 $ 9,000 $ 69,750 Replace pump barrels 25 feet Medium-High $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 Replace conduits below floor Medium-High $ 40,000 $ 8,000 $ 6,000 $ 8,000 $ 62,000 Replace electrical panels Medium-High $ 250,000 $ 50,000 $ 37,500 $ 50,000 $ 387,500 Replace motors Medium-High $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 Replace Cla pump control valves Medium-High $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Replace flow meters Add flow meter to each discharge line Medium-High $ 40,000 $ 8,000 $ 6,000 $ 8,000 $ 62,000 Site Improvements Concrete floor and drainage Medium-High $ 40,000 $ 8,000 $ 6,000 $ 8,000 $ 62,000 SCADA improvements Medium-High $ 30,000 $ 6,000 $ 4,500 $ 6,000 $ 46,500 * Loop of Zone 5 with about 500 feet of 8-inch pipe through Zone 11 service area (N. Silent Ranch Dr)
Zone 5 loop will allow 2500 gpm fire flow to
be provided from Zone 5 with residual
pressures above 26 psi to the Zone 11
service area
High $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000
* Rebuild PS - Include 2 duty pumps with VFDs
~60 gpm pumps; once a certain pressure is
reached, reduce speed and provide a
pressure relief to Zone 5 (option if no HP
tank desired)
High $ 480,000 $ 96,000 $ 72,000 $ 96,000 $ 744,000
Standby generator High $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 Evaluate reason for infiltration Could just need new seal and relocate existing drainage facilities High $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Replace pump station Includes SCADA and electrical Low $ 720,000 $ 144,000 $ 108,000 $ 144,000 $ 1,116,000 Booster Pump
Station
Booster Pump
Station
Booster Pump
Station
Booster Pump
Station
Booster Pump
Station
Hidden
Springs (B11,
B12)
Silent Ranch
(B20, B57) HP
Valley Center
(B21)
Englewild
(B13, B14,
B10)
San Gabriel
(SG-1, SG-2,
SG-3, SG-4,
SG-5)
Item #1. Page 229
Meeting Date: 9/12/2023 / Packet Page #: 232

FACILITY ASSESSMENTS
CITY OF GLENDORA 11-14 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 11-3 (Continued)
Booster Pump Station Improvement Recommendations
Facility Type
Facility
Name Recommendations Recommendation Notes Priority
Construction
Cost Estimate
for
Improvements
Design &
Administration
Cost ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total Project
Cost ($)
Permanent standby power/generator Medium $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 Electrical upgrades Medium $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000 Raise pump base to 18" above floor Medium $ 40,000 $ 8,000 $ 6,000 $ 8,000 $ 62,000 Replace discharge piping and valves Medium $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 * Add 2500 gpm fire pump Additional pump or upgrade existing pumps to aide in storage deficit Medium $ 800,000 $ 160,000 $ 120,000 $ 160,000 $ 1,240,000 Misc. interim imps. - Add ladder extension Medium $ 5,000 $ 1,000 $ 750 $ 1,000 $ 7,750 Misc. interim imps. - Spring asst. lid on mtr vlt Medium $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 Int. imp, - Vault flooded alarm Medium $ 10,000 $ 2,000 $ 1,500 $ 2,000 $ 15,500 * Replace pump station w/ 2 duty pumps plus 2500 gpm
fire pump
Include complete vault reconfiguration and
replacement Medium $ 4,800,000 $ 960,000 $ 720,000 $ 960,000 $ 7,440,000 Add permanent 125 kW generator Medium $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Raise pump base to 18" above floor Medium $ 40,000 $ 8,000 $ 6,000 $ 8,000 $ 62,000 200 Amp Switchboard Medium $ 60,000 $ 12,000 $ 9,000 $ 12,000 $ 93,000 200 Amp ATS Medium $ 60,000 $ 12,000 $ 9,000 $ 12,000 $ 93,000 MCC with 2 x 50 HP VFD/SSMCs Medium $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Control Panel Medium $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Electrical panel upgrades Medium $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Approximately 1000’ of discharge piping (16 inch) Medium $ 800,000 $ 160,000 $ 120,000 $ 160,000 $ 1,240,000 Add permanent generator Medium $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 * Replace pump with 2 new pumps Medium $ 360,000 $ 72,000 $ 54,000 $ 72,000 $ 558,000 * Replace pump station - 2 duty pumps (25 hp) 300 gpm
and 1 fire pump (200 hp) 2500 gpm Medium-High $ 2,160,000 $ 432,000 $ 324,000 $ 432,000 $ 3,348,000 Add permanent generator (300 kW) Medium-High $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Building (720 sq ft) Medium-High $ 576,000 $ 115,200 $ 86,400 $ 115,200 $ 892,800 * Construct 3,000 feet of 10-inch pipe
This includes replacing the 6-inch pipe from
the pump station to the reservoirs. Other
improvements in Zone 28 are included in the
Pipe Replacement Projects.

Medium-High $ 1,500,000 $ 300,000 $ 225,000 $ 300,000 $ 2,325,000 * Replace PS - Add 2 duty pumps VFDs + fire pump
(2500 gpm)
~60 gpm pumps; Investigate new site for
pump station and standby generator High $ 3,600,000 $ 720,000 $ 540,000 $ 720,000 $ 5,580,000 Standby generator High $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000 Add to SCADA On/Off and pump flows High $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Upsize and replace pipes from Sierra Madre Ave to
Rainbow Pump Station
Cost included in Pipe Replacement Plan
Project ID 1001 High $ - $ - $ - $ - $ -
Booster Pump
Station
Booster Pump
Station
Booster Pump
Station
Booster Pump
Station
Booster Pump
Station
Booster Pump
Station
Dalton (B31)
Hicrest (B24,
B25)
Glencoe (B26,
B27)
Hook Canyon
(B52, B53)
Rainbow (B42,
B43) HP
Bluebird (B32,
B33)
Item #1. Page 230
Meeting Date: 9/12/2023 / Packet Page #: 233

FACILITY ASSESSMENTS
CITY OF GLENDORA 11-15 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 11-3 (Continued)
Booster Pump Station Improvement Recommendations
Facility Type
Facility
Name Recommendations Recommendation Notes Priority
Construction
Cost Estimate
for
Improvements
Design &
Administration
Cost ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total Project
Cost ($)
Add vault for meter and pump control valve Medium $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 * Add 2500 gpm fire pump Includes pump and motor, electrical, and pipeline improvements Medium $ 600,000 $ 120,000 $ 90,000 $ 120,000 $ 930,000 Add permanent generator (300kW) Medium $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Electrical improvements ATS, MCC for fire pump, and replace existing electrical service Medium $ 400,000 $ 80,000 $ 60,000 $ 80,000 $ 620,000 * Redundancy Enhancement Study Additional parallel pipe or connection to Zone 28 Medium $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Add permanent generator (10kW) and ATS Interim improvement Medium-Low $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Update electrical system Interim Improvement Medium-Low $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Connect to SCADA Interim Improvement Medium-Low $ 60,000 $ 12,000 $ 9,000 $ 12,000 $ 93,000 Construct new pump station - two 60 gpm duty pumps
and one fire pump (2500 gpm, 125 hp) Includes new generator Medium-Low $ 3,600,000 $ 720,000 $ 540,000 $ 720,000 $ 5,580,000 * Install new 10-inch pipeline from pump station to
reservoirs (about 1600 feet)
This assumes relocation of pump station
near Englewild Reservoir site Medium-Low $ 800,000 $ 160,000 $ 120,000 $ 160,000 $ 1,240,000 Lowering the suction header For 200 feet suction line at 36 inch for all three pump stations Medium-High $ 720,000 $ 144,000 $ 108,000 $ 144,000 $ 1,116,000 Replace suction header isolation valves 3 butterfly valves Medium-High $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Replace electrical panels Medium-High $ 400,000 $ 80,000 $ 60,000 $ 80,000 $ 620,000 Replace suction line 16 inch suction Medium-High $ 240,000 $ 48,000 $ 36,000 $ 48,000 $ 372,000 Suction isolation valves Medium-High $ 45,000 $ 9,000 $ 6,750 $ 9,000 $ 69,750 Replace pump barrels 25 feet Medium-High $ 180,000 $ 36,000 $ 27,000 $ 36,000 $ 279,000 * Replace pumps Medium-High $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Site Improvements Concrete floor and drainage Medium-High $ 40,000 $ 8,000 $ 6,000 $ 8,000 $ 62,000 * Rebuild PS - Add 2 duty pumps with VFDs + fire pump
(2500 gpm)
~60 gpm pumps; once a certain pressure
is reached, reduce speed and provide a
pressure relief to Zone 2 near intersection of
Beaverbrook Lane and Eagle Ridge (option if
no HP tank desired).

High $ 900,000 $ 180,000 $ 135,000 $ 180,000 $ 1,395,000 Upgrade electrical and controls High $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Standby generator High $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000 Booster Pump
Station
Boy Scout
(B56)
Remove existing pump station and reservoir. Construct
above ground non-potable water tank to be filled as
needed. Th water will only be used for restrooms while
Boy Scout camp is occupied.

See Boy Scout Reservoir Recommendations High $ - $ - $ - $ - Booster Pump
Station
Booster Pump
Station
Booster Pump
Station
Booster Pump
Station
Country Club
(B22, B23,
B36)
Eagle Ridge
(B49, B50,
B51) HP
Englewild
Canyon (B47,
B48)
Morgan Ranch
(B44, B45,
B46)
Item #1. Page 231
Meeting Date: 9/12/2023 / Packet Page #: 234

FACILITY ASSESSMENTS
CITY OF GLENDORA 11-16 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 11-3 (Continued)
Booster Pump Station Improvement Recommendations
Facility Type
Facility
Name Recommendations Recommendation Notes Priority
Construction
Cost Estimate
for
Improvements
Design &
Administration
Cost ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total Project
Cost ($)
Replace discharge pipes with 6 inch Low $ 70,000 $ 14,000 $ 10,500 $ 14,000 $ 108,500 Miscellaneous improvements (access hatch replacement,
elevate pipe supports) Low $ 20,000 $ 4,000 $ 3,000 $ 4,000 $ 31,000 * Add fire pump (2500 gpm, 250 HP) Low $ 420,000 $ 84,000 $ 63,000 $ 84,000 $ 651,000 Electric Service upgrade Low $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 New MCC and controls for fire flow pump Low $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000 Add 400 kW permanent generator Low $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 400 Amp ATS Low $ 80,000 $ 16,000 $ 12,000 $ 16,000 $ 124,000 Add permanent generator 200 kW Low $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 200 Amp ATS Low $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Demolition Medium $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Building (600 sq ft) Medium $ 480,000 $ 96,000 $ 72,000 $ 96,000 $ 744,000 Pumps and motors (60 HP, 800 gpm) Medium $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Piping and valves Medium $ 300,000 $ 60,000 $ 45,000 $ 60,000 $ 465,000 Upgrade 6-inch suction and discharge pipes to 10-inch About 500 feet of pipe through easement Medium $ 375,000 $ 75,000 $ 56,250 $ 75,000 $ 581,250 Electrical Medium $ 600,000 $ 120,000 $ 90,000 $ 120,000 $ 930,000 150 kW permanent generator Medium $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000 Site improvements Access and site paving Medium $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 $ 35,786,000 $ 7,157,200 $ 5,367,900 $ 7,157,200 $ 55,468,300 *Includes preliminary design report / detailed hydraulic analysis / study Booster Pump
Station
Booster Pump
Station
Booster Pump
Station
Greencroft
(B60, B61,
North Grand
(B29, B41)
Gordon (B58,
B59)
Total Booster Pump Station Improvement Costs
Item #1. Page 232
Meeting Date: 9/12/2023 / Packet Page #: 235

FACILITY ASSESSMENTS
CITY OF GLENDORA 11-17 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Table 11-4
Miscellaneous Water Facility Improvement Recommendations Facility Type
Facility
Name Recommendations Recommendation Notes Priority
Construction
Cost Estimate
for
Improvements
Design &
Administration
Cost ($)
Construction
Management
Cost ($)
Contingency
Cost ($)
Total Project
Cost ($)
Miscellaneous Zone 14 * Hydraulic Elevation Assessment Study For future development on east side of Gordon Highlands Low $ 100,000 $ 20,000 $ 15,000 $ 20,000 $ 155,000 Miscellaneous San Gabriel
Yard * Assess and Maintain Well 5 and Well 7 Easements for future use Low $ 50,000 $ 10,000 $ 7,500 $ 10,000 $ 77,500 Miscellaneous San Gabriel
Yard * Surge Tank Evaluation Evaluate size, location, and configuration Low $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 Miscellaneous San Gabriel
Yard Add additional generator capacity (2mW) Relocate existing generator to Sierra Madre Medium-High $ 2,000,000 $ 400,000 $ 300,000 $ 400,000 $ 3,100,000 Miscellaneous San Gabriel
Yard Higher walls About 600 feet Medium-High $ 120,000 $ 24,000 $ 18,000 $ 24,000 $ 186,000 Miscellaneous San Gabriel
Yard Install camera system Medium-High $ 60,000 $ 12,000 $ 9,000 $ 12,000 $ 93,000 Miscellaneous San Gabriel
Yard Chlorination system improvements
Chlorine Room - vault flood sensors
Seismic upgrades, scrubber installation
assessment, sump pump, connection to
SCADA, chlorine well injection line design
and replacement, and 2 pumps and skids
Medium-High $ 350,000 $ 70,000 $ 52,500 $ 70,000 $ 542,500 Miscellaneous Water Yard
Facility
Additional and upgraded camera system for Water Yard
Facility. Medium $ 200,000 $ 40,000 $ 30,000 $ 40,000 $ 310,000 Miscellaneous Water Yard
Facility Warehouse replacement and potential relocation New building, same size, relocated Medium $ 2,400,000 $ 480,000 $ 360,000 $ 480,000 $ 3,720,000 Miscellaneous Water Yard
Facility * Parking improvements (covered parking)
Include study for all water yard
improvements associated with creating more
parking
Medium $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500
Miscellaneous Water Yard
Facility NPDES/ spoils/ washout relocation Need curbs, buffers, clarifiers to minimize impact to storm drain Medium $ 250,000 $ 50,000 $ 37,500 $ 50,000 $ 387,500 Miscellaneous Water Yard
Facility Solid security fence installation around facility Medium $ 270,000 $ 54,000 $ 40,500 $ 54,000 $ 418,500 Miscellaneous Water Yard
Facility * Standby generator for the Water Yard Facility. Transfer generator from San Gabriel to Water Yard Medium $ 1,000,000 $ 200,000 $ 150,000 $ 200,000 $ 1,550,000 Miscellaneous Water Yard
Facility Chemical Building Upgrades
Rectifier replacement, A/C circulation,
replace chlorine feed line for analyzer and 3
pumps and skids
Medium $ 240,000 $ 48,000 $ 36,000 $ 48,000 $ 372,000
Miscellaneous Water System * Comprehensive SCADA Upgrade Assessment Low $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Miscellaneous Water System * Comprehensive Standby Power Assessment Low $ 150,000 $ 30,000 $ 22,500 $ 30,000 $ 232,500 Miscellaneous Distribution
System * Comprehensive Valve Assessment Assumes 3,250 valves, 90% under 16-inch, 10% 16-inch and larger High $ 331,500 $ 66,300 $ 49,725 $ 66,300 $ 513,825 Miscellaneous Distribution
System Valve Replacement Program
Includes existing inoperable valves.

Assumes 40 valves replaced in the next 5
years
High $ 1,200,000 $ 240,000 $ 180,000 $ 240,000 $ 1,860,000 $ 9,141,500 $ 1,828,300 $ 1,371,225 $ 1,828,300 $ 14,169,325 $ 108,747,500 $ 21,749,500 $ 16,312,125 $ 21,749,500 $ 168,558,624 *Includes preliminary design report / detailed hydraulic analysis / study Grand Total
Miscellaneous Improvement Costs
Item #1. Page 233
Meeting Date: 9/12/2023 / Packet Page #: 236
CITY OF GLENDORA 12-1 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
SECTION 12

CAPITAL IMPROVEMENT PROGRAM
12-1 General
The Capital Improvement Program (CIP) consists of projects that will enhance the distribution system to meet the established criteria, properly maintain the system’s assets, and replace the facilities that have reached the end of their useful lives. The goal of the CIP is to provide the City of Glendora with a long-range planning tool for implementing its water system improvements in an orderly manner and a basis for financing of these improvements. In order to accomplish this goal, it is necessary to estimate project costs of the recommended system improvements, establish a basis, and prioritize the projects.

It should be noted that some of the improvements recommended herein are conceptual in nature based on existing available information. Therefore, they should not be considered as absolute for final design. Further analysis and refinement will be necessary prior to commencing work on the final plans, specifications and estimates package for each project. Detailed preliminary design studies should be prepared to select the final design projects. 12-2 Project Cost Estimates
12-2.1 Pipeline Replacement Cost Estimates
Proposed pipe replacement project costs are planning level estimates based upon recent information provided by the City for similar projects and include contingencies for this planning level study.

Specific alignments and refined cost estimates should be developed as part of the preliminary design phase for each recommended project.

The following construction costs were utilized for the Fire Flow Improvements (Table 9-6), Additional Hydraulic Improvements (Table 9-7) and the Pipe Replacement Program Projects (Table 10-6).

1. Pipeline replacement cost = $50 per diameter inch per foot of pipe. The replacement costs are based on pipeline replacement projects between Fiscal Year 2018-2019 and Fiscal Year 2020-2021.

2. Addition of a fire hydrant to an existing water main or reconnection of a fire hydrant lateral to an existing water main = $15,000

3. Valve replacement = $10,000
The total project costs include construction, contingency, design and administrative, and construction management and inspection costs. The individual cost components are calculated as follows:

1. Construction Cost = Unit Cost x Recommended Units

2. Design and Administrative Cost = 15% of the Construction Cost

3. Construction Management Cost = 15% of the Construction Cost

4. Contingency Cost = 20% of the Construction Cost

5. Total Project Cost = Construction Cost + Design and Administrative Cost + Construction Management Cost + Contingency Cost
Total Project Cost = 1.5 x Construction Cost
Item #1. Page 234
Meeting Date: 9/12/2023 / Packet Page #: 237

CAPITAL IMPROVEMENT PROGRAM
CITY OF GLENDORA 12-2 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
Construction costs are expected to fluctuate as changes occur in the economy. These costs should therefore be reevaluated and updated annually based upon Engineering News Record (ENR) Index for the Los Angeles area (ENRLA), with the base ENRLA Index of 13,033.31 for February 2023 12-2.2 Facility Improvement Costs
The recommended facility improvement cost estimates (Table 11-3) are based upon recent project experience and include contingencies for this planning level study.

The total project costs include construction, contingency, design and administrative, and construction management and inspection costs. The individual cost components are calculated as follows:

1. Construction Cost = Unit Cost x Recommended Units

2. Design and Administrative Cost = 20% of the Construction Cost

3. Construction Management Cost = 15% of the Construction Cost

4. Contingency Cost = 20% of the Construction Cost

5. Total Project Cost = Construction Cost + Design and Administrative Cost + Construction Management Cost + Contingency Cost
Total Project Cost = 1.55 x Construction Cost
The design cost is set at a higher percentage for facility improvements than it is for pipeline improvements. It is expected that facility improvements will require preliminary design studies and hydraulic analysis that will result in a higher design cost than the pipeline improvements.

Construction costs are expected to fluctuate as changes occur in the economy. These costs should therefore be reevaluated and updated annually based upon Engineering News Record (ENR) Index for the Los Angeles area (ENRLA), with the base ENRLA Index of 14,033.31 for February 2023. 12-3 Project Priorities
The primary consideration in establishing project priorities for the capital improvement program list must always be given to the health, safety and welfare of the public and the customers.

The fire flow improvement projects provided in Table 9-6 are listed in order of priority based on the degree of the fire deficiency identified in the hydraulic model analysis described in Section 9.

The pipe replacement program projects provided in Table 10-6 are listed in order of priority based on the risk assessment described in Section 10.

The facility improvements are provided in Tables 11-1 through 11-4 by facility site. The improvements are sorted by priority in Appendix 11-2.

Although recommended projects are assigned a priority based on the analysis conducted for this Master Plan study, the City should review the prioritization and adjust it annually to respond to changed conditions and to take advantage of concurrent construction, such as street paving projects or adjacent infrastructure work.

The recommendations and cost estimates are guidelines for the City to plan future projects and financing. Preliminary design and more detailed hydraulic studies may lead to changes in project definitions and costs as well as priorities.

Item #1. Page 235
Meeting Date: 9/12/2023 / Packet Page #: 238

CAPITAL IMPROVEMENT PROGRAM
CITY OF GLENDORA 12-3 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan
12-4 Capital Improvement Program Summary
The total Capital Improvement Program costs are as follows:

Fire Flow Pipe Improvement Projects (Table 9-6) $ 8,638,800 Additional Hydraulic Improvement Projects (Table 9-7) $ 762,000 Pipe Replacement Program Costs – Priority 1 (Table 10-6) $64,772,867 Pipe Replacement Program Costs – Priority 2 (Table 10-6) $43,393,241 Pipe Replacement Program Costs – Priority 3 (Table 10-6) $74,960,553 Well Improvement Costs (Table 11-1) $35,003,650
Reservoir Improvement Costs (Table 11-2) $52,757,349
Booster Pump Station Improvement Costs (Table 11-3) $55,468,300 Miscellaneous Water Facility Improvement Costs (Table 11-4) $14,169,624 Total CIP Cost $349,926,085
12-5 Irwindale Facility
Possible redevelopment of Wells 3, 4, and 7 and upgrades to the Irwindale Facility are discussed in Section 3-4.1. Potential costs are provided in Tables 3-3 and 3-4. It is estimated that upgrades to the Irwindale Water Treatment Facility, including Well 3 and 4 would cost about $84 Million. If redevelopment and construction of Well 7 is included in the project, the cost would increase to about $127 Million. These costs were not included in the CIP as a study was underway at the time of the Master Plan and funding options were being considered.
12-6 Short Term Capital Improvement Projects
Many high priority projects have been identified through this Water Master Plan Update. It is going to take time for the City to address all the recommended projects. In the short term (next five years), the following projects are considered to be the highest priority and should be addressed by the City as soon as possible:

1. Tank Mixers

2. Reservoir Roof Railings

3. SAFT Climb Ladders for Reservoirs

4. Hatch Replacements or Additional Hatches for Reservoirs

5. Ventilation Improvements for Reservoirs

6. Overflow Outlet Structure at Hidden Springs E

7. Replace Security Fence at Morgan Ranch A

8. Comprehensive SCADA Upgrade Assessment

9. North Glendora Reservoir Replacement

10. Comprehensive Valve Assessment

11. Evaluation of Infiltration at Valley Center B21
Item #1. Page 236
Meeting Date: 9/12/2023 / Packet Page #: 239

CAPITAL IMPROVEMENT PROGRAM
CITY OF GLENDORA 12-4 Water Master Plan
R:Rpts\\Glendora, City of\2022 Water Master Plan

12. Valve Replacement Program

13. Reconstruct Suction Line at Sierra Madre B

14. Site Improvements at Big Dalton A

15. Access Road Improvements at South Hills West A

16. Access Road Improvements at Glencoe B

17. Add Retaining Wall at Glencoe B

18. Remove Existing Boy Scout Pump Station and Reservoir

19. Construct Above Ground Tank with Mixer to Replace Boy Scout Reservoir

20. Add Chlorine Analyzer at Sierra Madre B

21. Remove/relocate IT Equipment from Roof at South Hills East A

22. Comprehensive Standby Power Assessment

23. Interior and Exterior Coating at Upper Gordon B

24. Interior and Exterior Coating at Upper Gordon A

25. Fire Flow Improvement Pipeline Projects, listed in order of priority in Table 9-6

26. Additional Hydraulic Improvements, listed in Table 9-7

27. Priority 1 Pipe Replacement Projects, listed in Table 10-6 and Appendix 10-1 Item #1. Page 237
Meeting Date: 9/12/2023 / Packet Page #: 240
Item #1. Page 238
Meeting Date: 9/12/2023 / Packet Page #: 241

STAFF REPORT
TO: Mayor and Council Members DATE: January 9, 2024
FROM: Library DISTRICT(S): City-Wide
SUBJECT: Discussion of Library Structural Assessment, Visioning, and Funding Options

RECOMMENDATION
That the City Council:

1. Discuss and provide direction to staff as needed regarding:
a. Scope of Council’s recommended project(s) related to Library building; b. Scope of Council’s recommended associated project(s) at other facilities specified by Council; c. Production of any related architectural concept drawings as desired; d. Position on funding options for recommended project(s); e. Public polling data as needed; AND.

2. In support of directed activities, specify any needed parameters authorizing:
a. City Manager, or his designee, to execute Professional Services Agreements; and, b. Appropriation of necessary funds.

STRATEGIC FOCUS AREAS
• Goal 1: Implement Strategic Economic Development (ISED) • Goal 5: Improve and Maintain the City’s Infrastructure and Facilities (IMCIF) • Goal 4: Enhance and Modernize the Organization (EMO)
• Goal 2: Maintain Financial Stability and Sustainability (MFSS)

EXECUTIVE SUMMARY
The current Glendora Public Library building was funded and built in the environment of the early 1970s.

Recent structural and programmatic analyses indicate that significant retrofitting/repairs and additional square footage are now needed. Different project costs, estimated to range from approximately $1 million to as high as $70 million, could overwhelm the City’s current financial resources. As a result, the City could consider an alternative funding option to facilitate any proposed improvements – a bond issuance, a revenue measure, or a combination thereof.

LEGISLATIVE HISTORY / PREVIOUS ACTIONS
• 2021: City staff contracted with JMDiaz, Inc. to assess the feasibility of adding a shade structure to the Plaza. Based upon the findings of that preliminary evaluation, a more comprehensive evaluation of the Library was recommended.
• November 2021: City Council and Board of Library Trustees each received a briefing on structural anomalies that appear in the City’s library building and discussed ways in which the City might address those structural anomalies.
• June 2022: City Council and Board of Library Trustees each received a privileged and confidential briefing regarding a possible threat to public services or facilities (not a threat posed by violence, Item #13. Page 1
Meeting Date: 1/9/2024 / Packet Page #: 269
Staff Report Page 2 of 3
but a threat as defined by Government Code section §54957), questions were asked and answered, and no reportable action was taken.
• January 2023: City Council awarded a contract to Myers Houghton and Partners, Inc. (MHP) to perform in-depth structural analysis and evaluation of the Library’s suitability for major renovations, including a potential second-story addition, initial visioning activities, and conceptual design for a second story addition.
• February 2023: City administration solicited proposals to conduct surveys on Library planning and revenue measure feasibility; estimated costs were included in the FY 2023/24 & 2024/25 Two-Year Budget process.
• May 2023: City Council again received a briefing involving a potential threat to public services or public facilities; and directed staff to combine slab work, electrical, HVAC, A/C, plumbing, and structural maintenance repairs with no other significant improvements in the amount of $8 million for round 2 of the California State Library's Building Forward Library Facilities Improvement Program.
• November 2023: At a special joint meeting, a privileged and confidential presentation was provided to City Council and the Board of Library Trustees. Direction was provided to staff to schedule a Special Meeting on Tuesday, December 5, 2023, with no further to reportable action. • December 2023: At a Special Meeting, the Board of Library Trustees held a discussion of Library structural assessment, visioning, and funding options.

DISCUSSION
Current Library Building
• After a decade of various funding-measure activity, a new Library facility project gained momentum from 1967-1969.
• In 1970, a Joint Powers Authority (JPA) was created between the City and Glendora Unified School District, eventually resulting in the sale of $950,000 in Lease Revenue Bonds. • Groundbreaking occurred in late 1970 and the building opened in 1972, anticipated to serve the City for 35 years.
• The 1970s pre-Proposition 13 environment allowed the City to adjust its own property taxes in the years that followed.
• Recent structural analyses of the 1972 building now indicate that significant retrofitting/repairs are needed, and events on the Plaza are currently limited to 500 people with equipment.

Library Building for Next 35-50 years
• Structural analysis also included Library stakeholder visioning sessions, led by architectural consultants.
• Programmatic assessment of the current building identified issues ranging from lack of visibility to inadequate HVAC, lighting, and usable space.
• Desirable Library building spaces and uses were identified and assigned square footage for a near-future structure, with the emphasis being on architectural solutions that would support timely and responsive layout changes moving forward.
• Conceptual models for adding approximately 20,000 more square feet to the existing structure were created, and construction cost estimates were in line with total project cost estimates provided to Council in May (total costs approximately $30 million to $45 million). • Other options from repair to replacement are estimated at approximately $1 million to $70 million in total costs.

Political and Fiscal Environment
• Glendora was not selected for funding from California State Library’s Building Forward Library Facilities Improvement Program.
• Glendora Unified School District study showed a “$140 million bond measure for GUSD is worthy of future planning and consideration.”
Item #13. Page 2
Meeting Date: 1/9/2024 / Packet Page #: 270
Staff Report Page 3 of 3
• Options for funding a Library building project include citizen-initiated and City-initiated measures. • Other options currently assessed to be too limiting, or to be more viable for adding value than fullproject funding: new JPAs, private/public partnerships, and naming-rights sponsorships/donations. • Surveys regarding public receptivity can be designed to ask about a single type of funding, or to compare different funding proposals; turnaround time is approximately 50 days.

Please refer to presentation materials for additional detail.

FISCAL IMPACT
There is no fiscal impact associated with the discussion itself. Should there be any resulting staff direction, recommendation is for Council to set parameters guiding any related appropriations or other funding measures. The largest fiscal impact would arise from any resulting capital projects, which could range from approximately $1 million to $70 million for a single facility. Depending on the direction provided by the City Council and the order of magnitude of the proposed improvements, they could overwhelm the City’s current financial resources. As a result, the City could consider an alternative funding option to facilitate the proposed improvements – a bond issuance, a revenue measure, or a combination thereof.

ENVIRONMENTAL DETERMINATION
Not applicable.

Prepared By Janet Stone, Library Director
Concurs With Not Applicable
Reviewed By Janet Stone, Library Director
Certified to Availability of Funds Marie Ricci, Deputy City Manager Approved By Adam Raymond, City Manager
Legal Review Danny Aleshire, Assistant City Attorney
CEQA Review Not Applicable
ATTACHMENTS:

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