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7. Estimated Cost of the Improvement
<br />The total estimated cost of the Kona Ocean View Properties Water Improvement District shown
<br />on Table 1 is $1,569,369. The cost shall be borne entirely by the assessees in the improvement
<br />district. Included in this cost are the surveying, engineering design, and environmental
<br />assessment.
<br />TABLE 1 PRELIMINARY COST ESTIMATE
<br />PROJECT: KONA OCEAN VIEW PROPERTIES SUBDIVISION WATER SYSTE IMPROVEMENTS _
<br />LOCATION: NORTH KONA, HAWAII
<br />DEPARTMENT OF WATER
<br />SUPPLY
<br />ITEM
<br />ESTIMATED
<br />UNIT
<br />ITEM
<br />NO.
<br />QUANTITY
<br />UNIT IDESCRIPTION
<br />COST
<br />COST
<br />WATER
<br />SYSTEM
<br />1
<br />L.S.
<br />um Sum for mo bilization; demoblization; etc.
<br />$50,000.0
<br />$50,000.0
<br />2
<br />1,022
<br />tl'
<br />" Ductile Iron Pipe
<br />$143.00
<br />$146,146.00
<br />3
<br />3,620
<br />_
<br />Ductile Iron Pipe
<br />$133.00
<br />$481,460.00
<br />4
<br />5
<br />EA
<br />_
<br />6"x6 "x 6" DI Tee, MJ
<br />$1,100.00
<br />$5,500.00
<br />5
<br />4
<br />EA
<br />8 "x8 "x6" DI Tee, MJ
<br />$1,300.00
<br />$5,200.00
<br />6
<br />2
<br />EA
<br />8 "x6" DI Reducer, M
<br />$860.00
<br />51,720.00
<br />7
<br />3
<br />EA
<br />6" 45 Deg DI Bend, MJ _
<br />$860.00
<br />$2,580.00
<br />8
<br />3
<br />EA
<br />_
<br />6" 22.5 Deg DI Bend, MJ
<br />$860.00
<br />$2,580.00
<br />9
<br />5
<br />EA
<br />6" 11.25 Deg DI Bend, MJ
<br />$860.00
<br />$4,300.00
<br />10
<br />3
<br />EA
<br />6" DI Cap, MJ, Tapped 2" 1 P
<br />$690.00
<br />$2,070.00
<br />11
<br />5
<br />EA
<br />8" Gate Valve, MJ, w /Box & Cover
<br />$1,880.00
<br />S9,400.00
<br />12
<br />4
<br />EA
<br />6" Gate Valve. MJ, w /Box & Cover
<br />$1,610.00
<br />$6,440.00
<br />13
<br />6
<br />EA
<br />1" Air Relief Valve Unit w /Box & Cover
<br />$2,500.00
<br />$15,000.00
<br />14
<br />3
<br />EA
<br />2" Clean Out Unit w /Box & Cover _
<br />$2,500.00
<br />$7,500.00
<br />15
<br />1
<br />EA
<br />Fire Hydrant Unit Layout "A'
<br />$5,360.00
<br />$5,360.00
<br />16
<br />6
<br />EA
<br />Fire Hydrant Unit Layout "B'
<br />$6,500.00
<br />$39,000.00
<br />17
<br />7
<br />EA I
<br />Fire Hydrant Concrete Slab, 4'x4' with Flexible Marker<
<br />$535.00
<br />$3,745.00
<br />18
<br />1
<br />EA
<br />4" & 2" Pressure Reducing Valve Unit w /Box and Covei
<br />$35,000.00
<br />$35,000.00
<br />19
<br />11
<br />EA
<br />1" Type A Service Lateral
<br />$2,400.00
<br />$26,400.00
<br />20
<br />35
<br />EA
<br />1 1/2" Type C Service Lateral
<br />$3,100.00
<br />$108, 500.00
<br />21
<br />6
<br />EA
<br />Cut and Plug Existing Service Lateral at main
<br />$900.00
<br />$5,400.00
<br />22
<br />1
<br />LS
<br />Connect to existing 8" waterline at Mamalahoa 11
<br />$9,390.00
<br />$9,390.00
<br />23
<br />4,785
<br />LF
<br />Warning Tape
<br />$0.75
<br />$3,588.75
<br />24 !
<br />1
<br />LS (Chlorination
<br />and Testing of Water System
<br />$15,000.00
<br />$15,000.00
<br />25
<br />1
<br />LS IConstruction
<br />log, "As Built" plan drawings etc
<br />$8.000.00
<br />$8,000.00
<br />26
<br />1
<br />LS
<br />Obtain National Pollution Discharge Elimination System
<br />(NPDES) permit
<br />$6,000.00
<br />$6,000.00
<br />SUBTOTAL FOR WATER
<br />SYSTEM
<br />$1,005,279.75
<br />WATER LINE TRENCH
<br />PATCHING
<br />27
<br />73
<br />SY
<br />12 -Inch Minimum Compacted Thickness Subbase
<br />Course (State ROW)
<br />$47.00
<br />$3,431.00
<br />28
<br />1 1,118
<br />SY
<br />6 -Inch Minimum Compacted Thickness Subbase Course
<br />$26.00
<br />$29,068.00
<br />29 j 73
<br />SY
<br />8 -Inch Minimum Compacted Thickness Aggregate Base
<br />Course
<br />$39.00
<br />$2,847.00
<br />30
<br />1,1
<br />SY
<br />4 -Inch Minimum Compacted Thickness Aggregate Base
<br />Course
<br />$25.00
<br />$27,950.00
<br />31
<br />73
<br />SY
<br />2 -1/2 -Inch Minimum Compacted Thickness AC Mix III
<br />$60.00
<br />$4,380.00
<br />32
<br />1,118
<br />SY
<br />2 -Inch Minimum Compacted Thickness AC Mix 3
<br />_ $65.00
<br />$72,670.00
<br />_
<br />33
<br />20
<br />1 SY
<br />Patching five Concrete Driveways within Stale ROW
<br />$50.00
<br />$1,000.00
<br />SUBTOTAL - WATER LINE TRENCH
<br />PATCHING
<br />$141,346.00
<br />I
<br />SUMMARY
<br />I
<br />WATER SYSTEM
<br />$1,005,279.75
<br />_
<br />WATER LINE TRENCH PATCHING
<br />$141,346.00
<br />CONTINGENCY (15 %)
<br />$171,993.86
<br />TOTAL CONSTRUCTION COST ESTIMATE
<br />$1,318,619.61
<br />I
<br />OTHER COSTS
<br />Design and Survey _
<br />—�
<br />$125,350.00
<br />State Highwa Easement
<br />$20,000.00
<br />E nvironmenta l Assessment
<br />_
<br />$26,400.00
<br />Le gal Fees
<br />$39,500.00
<br />Miscellaneous Costs
<br />$39,500.00
<br />TOTAL OTHER COST ESTIMATE
<br />$250,760.00
<br />TOTAL PROJECT ESTIMATE
<br />I
<br />$1,569,369.61
<br />5
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