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IbRMC
<br />Project: City of Pleasanton, Happy Valley Water and Sewer Expansion Date. May 9, 2016
<br />Project Number: 0548 -002
<br />Component: Water System Expansion
<br />Prepared by James Kohne, RMC
<br />Estimate Type: Predesign, Class 4, AACE
<br />Process Cost Summary
<br />Spec. Division
<br />Amount
<br />Facilities
<br />$
<br />2,280,000
<br />RAW CONSTRUCTION COST
<br />$
<br />1,520,000
<br />Environmental, Legal, and Administrative (ELA) Allowance
<br />10 %
<br />$
<br />150,000
<br />Engineeringi Construction, Management (CM) Allowance
<br />15%
<br />$
<br />230,000
<br />BASE CONSTRUCTION COST
<br />E
<br />1,9 00,000
<br />Project Contingency
<br />(Uncertainty in project facilities)
<br />20%
<br />$
<br />380,000
<br />FACILITIES FINAL COSTS $
<br />2,280,000
<br />Item
<br />size
<br />Units
<br />Quantity Unit
<br />Unit Cost
<br />Total Cost
<br />Facilities
<br />$
<br />1,623,555
<br />Piping
<br />8" PVC Pipe
<br />8
<br />LF
<br />_
<br />7640
<br />$ 18
<br />$
<br />138,164
<br />6" PVC Pipe
<br />6
<br />LF
<br />1100
<br />$ 13
<br />$
<br />14,733
<br />Joint Restraints (on 40% of 20' segments)
<br />EA
<br />175
<br />$ 198
<br />$
<br />34,618
<br />Fittings (1 per 100')
<br />EA
<br />87
<br />$ 1,000
<br />$
<br />87,400
<br />Installation
<br />Hr /Fitting
<br />87
<br />$ 100
<br />$
<br />8,740
<br />Sawcut 4" pavement (2x length of pipe)
<br />LF
<br />17480
<br />$ 4
<br />$
<br />71,216
<br />Excavation - Pipe trench, Vault Weir
<br />CY
<br />4230
<br />$ 5
<br />$
<br />21,956
<br />See table below for
<br />Pipe Zone Embedment Fill ICY) (to V above
<br />trenching
<br />crown of pipe)
<br />CY
<br />2449
<br />$ 28
<br />$
<br />67,346
<br />dimensions.
<br />Pipe Zone Compaction (CY)
<br />CY
<br />2449
<br />$ 3
<br />$
<br />7,483
<br />Volumes assume
<br />Upper Trench Zone (BCY) (0.75' above pipe
<br />BCY
<br />1113
<br />$ 29
<br />E
<br />32,060
<br />all 8" pipe
<br />zone)
<br />Upper Trench Compaction (BCY)
<br />BCY
<br />1113
<br />$ 1
<br />$
<br />1,591
<br />Shoring
<br />LF
<br />8740
<br />$ 10
<br />$
<br />87,400
<br />Hauling (Excess) (assumes all backfll is
<br />CY
<br />4230
<br />$ 5
<br />$
<br />22,484
<br />engineered)
<br />Ag Base (BCY) (top 15" of trench)
<br />BCY
<br />1113
<br />$ 30
<br />$
<br />33,247
<br />Trench AC Plug Paving (trench width x pipe
<br />SF
<br />24039
<br />$ 3
<br />$
<br />64,120
<br />length)
<br />Grind (SY) (surface area of streets not
<br />SY
<br />9468
<br />$ 3
<br />$
<br />28,284
<br />excavated)
<br />AC Overlay (SF) (surface are of streets)
<br />SF
<br />109250
<br />$ 3
<br />$
<br />333,825
<br />Striping (length of piping)
<br />LF
<br />8740
<br />$ 1
<br />$
<br />10,724
<br />Hydrants
<br />Hydrants
<br />EA
<br />21
<br />$ 3,283
<br />$
<br />68,950
<br />PRV Station
<br />Pressure Reducing Valve
<br />8"
<br />EA
<br />1
<br />S 12,264
<br />$
<br />12,264
<br />Gate Valves
<br />8"
<br />EA
<br />2
<br />$ 3,101
<br />$
<br />6,202
<br />PRV Vault
<br />4'x5'x5'
<br />EA
<br />1
<br />$ 3.751
<br />$
<br />3,751
<br />Butterfly Valves
<br />Butterfly Valve
<br />12"
<br />EA
<br />3
<br />$ 1.455
<br />$
<br />4,366
<br />Butterfly Valve
<br />8"
<br />EA
<br />8
<br />$ 704
<br />$
<br />5,633
<br />Butterfly Valve
<br />6"
<br />EA
<br />5
<br />$ 613
<br />$
<br />3,067
<br />Miscellaneous
<br />Pot Hole (1 per 50')
<br />EA
<br />175
<br />$ 509
<br />$
<br />89,020
<br />Cathodic
<br />LF
<br />8740
<br />$ 9
<br />$
<br />81,898
<br />Traffic Control
<br />LS
<br />8740
<br />$ 5
<br />$
<br />44,510
<br />Subtotal:
<br />$
<br />1,385,050
<br />Mobilization /Demobilization
<br />%of subtotal
<br />10%
<br />$
<br />138,505
<br />Ptpe and Trenching Details 8" pipe
<br />Avg cost per foot
<br />$
<br />162
<br />Pipe Thickness
<br />0.503
<br />in
<br />Avg cost per foot 8"
<br />$
<br />163
<br />OD Pipe
<br />0.751
<br />ft
<br />Avg cost per foot, 6"
<br />$
<br />158
<br />Approx Pipe Cover
<br />3
<br />ft
<br />Trench Width
<br />2.75
<br />It
<br />Trench Depth
<br />4.75
<br />ft
<br />Lane Width
<br />12.50
<br />ft
<br />Note: Sales tax of 9.5%
<br />is applied to appropriate material costs.
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