Final Proposed Zoning
Streets
Neighborhood Loop
Neighborhood Bisector
Commercial Street
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Main entrance for residential access at Pomona Blvd.​
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Proposed entrance for residential access to Pomona Blvd.​
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Proposed entrance for Commercial Street near East Valley Blvd.​
Utilities: Pipes, Sewer, Storm Drain
Pipes
Main Pressurized Water Pipeline
Pressurized Water Pipe Profiles
Example of Connection Tee and Valves
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12" and 16" Pipes based off 1250 and 3000 GPM Fire Flow , Max Velocity = 8 fps​
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Tee 12" x 12" and 12" x 16" connections​
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Minimum Depth: 48", Minimum Slope: 0.5%​
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Ductile Iron Pipe​
Sanitary Sewer System
Sewage Calculations
Connecting Sewer Main to City and County Sewers​
Unit Generation Rate
Sample Sanitary Sewer System Profile View
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Follows City of Pomona Sewer System Management Plan (SSMP) requirements:​
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8" VCP diameter pipe for residential and multi-residential areas (7307 ft total)​
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10" VCP diameter pipe for commercial, industrial, and high-rise building areas (1486 ft total)​
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Minimum flow of 2 fps flowing half full under peak dry weather flow (PDWF)​
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Maximum flow velocity less than 8 fps​
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Manning's coefficient of roughness (n): 0.013​
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Minimum slope is 1.0% for sewer main​
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Minimum invert depth of 7 ft​
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Ideally installed on street's centerline​
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48" eccentric manhole with 30" frame, 36" cone height, and 5" wall thickness​
Storm Drain
Curb Inlet Spacing
Pipe Sizing
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Mainline pipes: 24"​
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Inlet pipes: 18"
Flow Directed to Storm Traps
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Storm Trap 1 holds runoff from Zones 2 & 3 ​
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Storm Trap 2 holds runoff from Zone 1 & Commercial ​
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In the case of an emergency, runoff will flow into the existing channel
Emergency Spill into channel
Residential Zones
Design
Rezoning and Final Design​
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Mixed density , varied lot sizes​
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Residential Zone 1 – 6000 s.f.​
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Residential Zone 2 – 7500 s.f.​
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Residential Zone 3 – 10000 s.f.​
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Centralized greenspace​
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Exclude private residence​
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Industrial zone changed to commercial, consolidated​
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Scope change: Sports park for "Future Development"​
Horizontal Included: ​
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Curved roads, intersections, and cul-de-sacs to discourage through & speeding traffic​
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Intersections​
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T-intersections and four-way intersections​
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Cul-de-sacs​
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Increase number of corner lots​
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Varies value of lots​
Vertical Design Included: ​
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Profiles, alignments, corridors and assemblies​
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Coordination with hydrology team for drainage design​
Grading
Streets
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Roughing grading such that lots sloped from back of lot to the streets ​
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Average lot grading: 1% - 9% towards the street ​
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Backyards see the most extreme grades​
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Minimum yard setbacks determined by Pomona Zoning Ordinance Sec.2.243​
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25 ft. Min Front/Back yards​
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R-1-6000/R-1-7500: Max. 40 ft. Front yard ​
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5 ft. Min. Side yards​​​​
Commercial Zone
Design
Buildings​
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3 Main Commerce Centers​
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1 Food Court​
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1 Bar Area​
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1 Stage/Platform​​
​Parking​
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~1200 Stalls (8.5' x 18')​
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22 ADA Stalls ​
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9 Motorcycle Stalls ​
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4 EV charging stalls​​
​​
Supplementary Basin to the South​
Grading
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Building PAD elevations are based on surface grading​
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Grading​ at a minimum of 0.5% for flow​
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Parking Lot drains to the street​
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Water drains away from buildings ​
Earthwork
RAW CUT = 447,678 CY
RAW FILL = 513,259 CY
AREA
38.07 AC
CUT
Raw Cut Fill​
Unsuitable Materials/Removals 6-8'
Pad Over-Excavation
Over-Excavation Roadway
Parking Lot Over-Excavation
Commercial Lot Over-Excavation
​
Pad Spoils
Commercials Spoils
Utility Spoils
Shrinkage 5-10%
​
​
​
Balance
447,678 CY
429,937 CY
118,156 CY
108,467 CY
59,765 CY
120,516 CY
33,000 CY
25,926 CY
7,017 CY
1,350,462 CY
Short, Import
80.19 AC
FILL
513,259 CY
429,937 CY
118,156 CY
108,467 CY
59,765 CY
120,516 CY
96,339 CY
1,446,439 CY
(95,977) CY
Construction Cost Breakdown
Roads/Paving
Description
Concrete Parking Blocks
AC Pavement
AC Base
​
Quantity
1,300
2,164,000
2,164,000
​
Unit of Measure
EA
SF
SF
​
Cost
$47.80
$2.00
$1.50
​
Total Cost
Total Cost
$62,140.00
$4,328,000.00
$3,246,000.00
​
$7,636,140.00
Residential Homes
Description
Single Story Residential Homes
Two-Story Residential Homes
​
Quantity
136
20
​
Unit of Measure
EA
EA
​
Cost
$220,415.00
$260,000.00
​
Total Cost
Total Cost
$44,964,660.00
$7,800,000.00
​
$52,764,660.00
Site Utilities (including installation)
Description
24" Double Lined RCP
18" Double Lines RCP
Manholes
Catch Basin Inlets
12" Water Line
16" Water Line
8" VCP Pipe
10" VCP Pipe
Quantity
10,926
1,875
56
70
14,719
1,500
7,307
1,486
Unit of Measure
LF
LF
EA
EA
LF
LF
LF
LF
​
Cost
$42.00
$42.00
$2,500.00
$2,500.00
$10.00
$15.00
$38.00
$42.00
​
Total Cost
Total Cost
$458,892.00
$78,750.00
$140,000.00
$175,000.00
$147,190.00
$22,500.00
$277,666.00
$62,412.00
​
$1,362,410.00
Total Cost Breakdown
Description
Mobilization/Demobilization​
Clearing and Grubbing
Survey
Construction Staking
Earthwork
Misc Concrete
Roads/Paving
Striping
Signage
Street Lights
Residential Homes
Commercial Buildings
Site Utilities
Park
Landscaping
Detention Basin
Contingency
​
Total Cost
Unit Price
$3,900,000
$270,000
$15,000
$150,000
$7,871,439
$720,000
$7,636,140
$14,040
$26,750
$1,415,000
$52,764,660
$7,010,720
$1,362,410
$168,750
$750,000
$150,000
$16,500,000
​
$100,724,908.55
Construction Schedule
Preliminary Schedule ​
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Built using excel​
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Based on complete area development​
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Define Pre-Construction, Construction, and Close out Procedures.​​​
Pre-Construction ​
1 year​
Construction​
4 years per Phase with overlapping construction of phases​
Close Out ​
½ year per phase close out​​