PROVO PARKING LOT DESIGNClifton Hargus, Rachel Bytheway, Derek Noyes

Outline Background Project Goals Research Drainage

Requirements Designs Final

Recommendation Cost Analysis

Background Pavement

Severely Failing

Not Enough Parking

Insufficient Drainage

Goals The parking lot needs to be designed

with better drainage.

Parking spaces need to be arranged to obtain the maximum number possible.

Multiple construction phases should be considered.

Research Survey of Site

Coring of Asphalt

Inspection of Current Drainage

Drainage Calculations

Drainage Requirements

Curb and Gutter

• Provides Excellent Drainage

• Protects Landscaping from Automobiles

• Aesthetically Pleasing

• Significant Earthwork Required to Reverse Existing Slope

• Double Amount of Piping

• Difficult for Multiple Phases

Curb and Gutter Costs

Item Cost/Unit Units Total Cost

1' Curb and Gutter $ 7 450 $ 3,150

Labor (1 hour) $ 50 100 $ 5,000

Job Supplies $ 43 1 $ 43

Equipment $ 60 1 $ 60

Total     $ 8,253

Channel Drain

• Continuous Grate for Quick Drainage

• Resistant to Clogs

Channel Drain CostsItem Cost/Unit Units Total Cost

4' Slot Drain $ 134 66 $ 8,844

2' Slot Drain Cover $ 64 132 $ 8,448

Catch Basin $ 150 1 $ 150

Manhole $ 1,000 1 $ 1,000

8" Pipe $ 3 100 $ 300

Subtotal     $ 18,742

Box Drain

Box Drain• Provides Adequate Drainage

• Works with Existing Slope

• Minimal Construction Impact

• Provides No Protection for Landscaping

• No Curb and Gutter

• Requires some Maintenance

Box Drain Costs

Drainage Cost/Unit Units Total Cost

1' of 8" Pipe $ 3 350 $ 1,050

Drain Inlet $ 400 6 $ 2,400

Drain Covers $ 100 6 $ 600

Manhole $ 1,000 1 $ 1,000

Subtotal     $ 5,050

Box Drain System

Final Recommendation

• Significantly Less Expensive

• Provides Adequate Drainage

• Minimal Construction Impact

• Allows for Construction Phasing

Final Cost AnalysisDrainage Cost/Unit Units Total Cost

1' of 8" Pipe $ 3 350 $ 1,050

Drain Inlet $ 400 6 $ 2,400

Drain Covers $ 100 6 $ 600

Manhole $ 1,000 1 $ 1,000

Subtotal     $ 5,050

       

Construction Cost/Unit Units Total Cost

1 ft2 2" Asphalt $ 1 18400 $ 18,400

1 yd3 Excavation $ 50 138 $ 6,900

Mobilization $ 1,000 1 $ 1,000

Parking Striping $ 1 1520 $ 912

Parking Bumpers $ 19 56 $ 1,036

Subtotal     $ 27,212

Total     $ 32,262

Parking Space Optimization

• 8.5’X18’ Parking Stalls

• 56 Spaces Needed

• Excavation of 400 Sq. ft.

• 57 Spaces Provided

Construction Phases• North or South Side

Completed First

• Catch Basin and Manhole Tie-in Completed During First Phase

• Remainder to be Completed as Funds Allow

• Each Subsequent Phase to Tie into Previous Work

Questions

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