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City of Louisville - Department of Public Works Engineering Division
<br />Underpass Conceptual Designs - Engineers Opinion of Probable Cost Ki coley)» Horn
<br />South Street & CO-42 - Underpass Date: 6/17/2021
<br />KH Project Number: 096489003 Prepared By: KK
<br />Project Number: Checked By: MEC
<br />DETAILED CONSTRUCTION BID ITEMS
<br />ITEM NUMBER
<br />ITEM DESCRIPTION
<br />UNIT
<br />COST
<br />QUANTITY
<br />AMOUNT
<br />202-00010
<br />Clearing and Grubbing
<br />LS
<br />$ 15,000
<br />1
<br />$ 15,000
<br />202-00010
<br />Removal of Tree
<br />EA
<br />$ 700
<br />2
<br />$ 1,400
<br />202-00019
<br />Removal of Inlet
<br />EA
<br />$ 1,700
<br />3
<br />$ 5,100
<br />202-00021
<br />Removal of Manhole
<br />EA
<br />$ 900
<br />2
<br />$ 1,800
<br />202-00035
<br />Removal of Pipe
<br />LF
<br />$ 35
<br />925
<br />$ 32,375
<br />210-00050
<br />Reset Fire Hydrant
<br />EA
<br />$ 7,000
<br />2
<br />$ 14,000
<br />202-00200
<br />Removal of Sidewalk
<br />SY
<br />$ 30
<br />280
<br />$ 8,400
<br />202-00220
<br />Removal of Asphalt Mat
<br />SY
<br />$ 9
<br />1,480
<br />$ 13,320
<br />202-00202
<br />Removal of Gutter
<br />LF
<br />$ 16
<br />300
<br />$ 4,800
<br />202-00203
<br />Removal of Curb and Gutter
<br />LF
<br />$ 13
<br />700
<br />$ 9,100
<br />202-00206
<br />Rem Conc Curb Ramp
<br />SY
<br />$ 30
<br />130
<br />$ 3,900
<br />202-05030
<br />Sawing Asphalt Material (10 Inch)
<br />LF
<br />$ 8
<br />40
<br />$ 320
<br />203-00010
<br />Unclassified Excavation (Complete In Place)
<br />CY
<br />$ 30
<br />2,630
<br />$ 78,900
<br />206-00000
<br />Structure Excavation
<br />CY
<br />$ 30
<br />13720
<br />$ 411,600
<br />206-00100
<br />Structure Backfill (Class 1)
<br />CY
<br />$ 42
<br />60
<br />$ 2,520
<br />304-06007
<br />Aggregate Base Course (Class 6)
<br />CY
<br />$ 55
<br />840
<br />$ 46,200
<br />403-00721
<br />Hot Mix Asphalt (Patching) (Asphalt)
<br />SY
<br />$ 72
<br />160
<br />$ 11,520
<br />504
<br />Retaining Wall
<br />SF
<br />$ 100
<br />6,395
<br />$ 639,450
<br />514-00048
<br />Pedestrian Railing (48 Inch)
<br />LF
<br />$ 180
<br />80
<br />$ 14,400
<br />603
<br />14 Foot Concrete Box Culvert (Precast)
<br />LF
<br />$ 3,000
<br />100
<br />$ 300,000
<br />603-83008
<br />8 Inch Sewer Pipe
<br />LF
<br />$ 80
<br />865
<br />$ 69,200
<br />604-31010
<br />Manhole Box Base (10 Foot)
<br />EA
<br />$ 15,000
<br />6
<br />$ 90,000
<br />606-00301
<br />Guardrail Type 3 (6-3 Post Spacing)
<br />LF
<br />$ 30
<br />60
<br />$ 1,800
<br />608-00000
<br />Concrete Sidewalk
<br />SY
<br />$ 70
<br />280
<br />$ 19,600
<br />608-00026
<br />Concrete Bikeway (6 Inch)
<br />SY
<br />$ 70
<br />770
<br />$ 53,900
<br />608-00050
<br />Brick Pavers
<br />SF
<br />$ 50
<br />2,970
<br />$ 148,500
<br />609-21020
<br />Curb and Gutter Type 2 (Section II-B)
<br />LF
<br />$ 36
<br />170
<br />$ 6,120
<br />610-00026
<br />Median Cover (6 in Pattem Conc)
<br />SF
<br />$ 16
<br />960
<br />$ 15,360
<br />619
<br />Proposed Underpass Drainage
<br />LS
<br />$ 100,000
<br />1
<br />$ 100,000
<br />619
<br />Waterline Relocation/Lowering
<br />LS
<br />$ 75,000
<br />1
<br />$ 75,000
<br />619
<br />Sanitary Encasement
<br />LS
<br />$ 3,000.00
<br />1
<br />$ 3,000
<br />622-00270
<br />Bollard
<br />EA
<br />$ 600
<br />3
<br />$ 1,800
<br />DETAILED CONSTRUCTION BID ITEMS (SUBTOTAL) (A)
<br />$ 2,198,385
<br />GENERAL CONSTRUCTION BID ITEMS
<br />ITEM NUMBER
<br />ITEM DESCRIPTION
<br />% RANGE
<br />% USED
<br />COST
<br />Construction Stormwater Management (Erosion Control/SWMP)
<br />3%-10% of (A)
<br />5%
<br />$ 110,000
<br />Drainage/Water Quality
<br />3%-10% of (A)
<br />3%
<br />$ 66,000
<br />Hardscape/Finishes/Materials
<br />1%-5%of(A)
<br />5%
<br />$ 110,000
<br />Landscape Plantings
<br />1%-15% of (A)
<br />12%
<br />$ 263,900
<br />Public Art
<br />1%-3%of(A)
<br />1%
<br />$ 22,000
<br />Signing and Striping
<br />1%-5% of(A)
<br />1%
<br />$ 22,000
<br />Site Elements
<br />1%-10%of(A)
<br />2%
<br />$ 44,000
<br />Site Irrigation
<br />1%-5%of(A)
<br />4%
<br />$ 88,000
<br />Site Lighting
<br />1%-10% of(A)
<br />7%
<br />$ 157,900
<br />Soil Prep and Amendment
<br />1%-10% of (A)
<br />3%
<br />$ 66,000
<br />Utilities
<br />3%-10%of(A)
<br />6%
<br />$ 132,000
<br />GENERAL CONSTRUCTION BID ITEMS (SUBTOTAL) (B)
<br />$ 1,081,800
<br />CONSTRUCTION BID ITEMS (TOTAL) (C)
<br />$ 3,280,185
<br />CONSTRUCTION ALLOWANCES
<br />Force Account (Utilities)
<br />1%-2% of (C)
<br />1%
<br />$ 32,900
<br />Force Account (Misc.)
<br />10%-15% of (C)
<br />15%
<br />$ 492,100
<br />Construction Engineering, Management, Survey, and Traffic Control
<br />5%-25% of (C)
<br />10%
<br />$ 328,100
<br />Temporary Traffic Control
<br />5%-25% of (C)
<br />15%
<br />$ 492,100
<br />Mobilization
<br />5%-10%of(C)
<br />10%
<br />$ 328,100
<br />CONSTRUCTION ALLOWANCES (D)
<br />$ 1 673 300
<br />TOTAL CONSTRUCTION COST (E) (C + D)) $ 4,953,485
<br />DESIGN, CONTINGENCIES, AND ROW
<br />Design Engineering (City, Consultant, Subconsultants)
<br />5%-30% of (E)
<br />30%
<br />$ 1,486,100
<br />Contingencies
<br />(15%-50%) of (E)
<br />50%
<br />$ 2,476,800
<br />ROW
<br />$50/SF
<br />0
<br />$ -
<br />i
<br />DESIGN, CONTINGENCIES, AND ROW (SUBTOTAL) (F)
<br />$ 3,962,900
<br />PROJECT TOTAL (2021) (E + F)I $ 8,916,385
<br />ESCALATION (5%)
<br />PROJECT TOTAL (2022)
<br />$ 9,362,204
<br />PROJECT TOTAL (2023)
<br />$ 9,830,314
<br />PROJECT TOTAL (2024)
<br />$ 10,321,830
<br />PROJECT TOTAL (2025)
<br />$ 10,837,922
<br />Assumptions
<br />on the east side of CO-42 is co-owner by Boulder County, City of Louisville, and City of Lafayette and is not included in ROW.
<br />no control over the cost of labor, materials, equipment, or over the Contractor's methods of determining prices or over competitive bidding or market
<br />of probable costs provided herein are based on the information known to Engineer at this time and represent only the Engineer's judgment as a design
<br />with the construction industry. The Engineer cannot and does not guarantee that proposals, bids, or actual construction costs will not vary from its
<br />costs.
<br />Open Space located
<br />The Engineer has
<br />conditions. Opinions
<br />professional familiar
<br />opinions of probable
<br />https://kimleyhorn.sharepoint.com/sites/MT_Denver_SurfaceTransportation/Shared Documents/Louisville Underpass Concepts/20210615 - Louisville Underpass Concepts - Cost Estimate.xlsx
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