|
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 SYSTEM IMPROVEMENTS
<br /> LOCATION: NORTH KONA, HAWAII
<br /> DEPARTMENT OF WATER SUPPLY
<br /> ITEM ESTIMATED UNIT ITEM
<br /> NO. QUANTITY UNIT DESCRIPTION COST COST
<br /> WATER SYSTEM
<br /> 1 L.S. LS Lump Sum for mobilization; demoblization; etc. $50,000.00 $50,000.00
<br /> 2 1,022 LF 8" Ductile Iron Pipe _ $143.00 $146,146.00
<br /> 3 3,620 LF 6" Ductile Iron Pipe $133.00 $481,460.00
<br /> 4 5 EA 6 "x6 "x6" DI Tee, MJ $1,100.00 _ $5,500.00
<br /> 5 4 EA 8 "x8 "x6" DI Tee, MJ $1,300.00 $5,200.00
<br /> 6 2 EA 8 "x6" DI Reducer, MJ $860.00 $1,720.00
<br /> 7 3 EA 6" 45 Deg DI Bend, MJ $860.00 $2,580.00
<br /> 8 3 EA 6" 22.5 Deg DI Bend, MJ $860.00 $2,580.00
<br /> 9 5 EA 6" 11.25 Deg DI Bend, MJ $860.00 $4,300.00
<br /> 10 3 EA 6" DI Cap, MJ, Tapped 2" IPT $690.00 $2,070.00
<br /> 11 5 EA 8" Gate Valve, MJ, w /Box & Cover $1,880.00 $9,400.00
<br /> 12 4 EA 6" Gate Valve, MJ, w /Box & Covei $1,610.00 $6,440.00
<br /> 13 6 EA 1" Air Relief Valve Unit w /Box & Cover $2,500.00 $15,000.00
<br /> 14 3 EA 2" Clean Out Unit w /Box & Cover $2,500.00 $7,500.00
<br /> 15 1 EA Fire Hydrant Unit Layout "A' $5,360.00 $5,360.00
<br /> 16 6 EA Fire Hydrant Unit Layout "B' $6,500.00 $39,000.00
<br /> 17 7 EA Fire Hydrant Concrete Slab, 4'x4' with Flexible MarkerE $535.00 $3,745.00
<br /> 18 1 EA 4" & 2" Pressure Reducing Valve Unit w /Box and Cove' $35,000.00 535,000.00
<br /> 19 11 EA 1" Type A Service Lateral $2,400.00 $26,400.00
<br /> 20 35 ! EA 1 1/2" Type C Service Lateral $3,100.00 $108,500.00
<br /> 21 6 1 EA Cut and Plug Existing Service Lateral at main $900.00 $5,400.00
<br /> 22 1 1 LS Connect to existing 8" waterline at Mamalahoa Highway $9,390.00 $9,390.00
<br /> 23 4,785 1 LF 'Warning Tape $0.75 $3,588.75
<br /> 24 1 LS !Chlorination and Testing of Water System $15,000.00 $15,000.00
<br /> 25 1 1 LS !Construction log, "As Built" plan drawings etc $8,000.00 $8,000.00
<br /> I Obtain National Pollution Discharge Elimination System
<br /> 26 1 LS (NPDES) permit $6,000.00 $6,000.00
<br /> 1
<br /> SUBTOTAL FOR WATER SYSTEM $1,005,279.75
<br /> 1
<br /> WATER LINE TRENCH PATCHING
<br /> 112 -Inch Minimum Compacted Thickness Subbase
<br /> 27 73 SY !Course (State ROVV) $47.00 $3,431.00
<br /> 28 1,118 SY 6 -Inch Minimum Compacted Thickness Subbase Course $26.00 $29,068.00
<br /> I 8 -Inch Minimum Compacted Thickness Aggregate Base
<br /> 29 ! 73 SY 'Course $39.00 $2,847.00
<br /> 4 -Inch Minimum Compacted Thickness Aggregate Base
<br /> 30 1,118 SY Course $25.00 $27,950.00
<br /> 31 73 1 SY 2 -1/2 -Inch Minimum Compacted Thickness AC Mix III $60.00 $4,380.00
<br /> 32 _ 1,118 1 SY 2 -Inch Minimum Compacted Thickness AC Mix 3 $65.00_ $72,670.00
<br /> 33 20 SY Patching five Concrete Driveways within State ROW $50.00 $1,000.00
<br /> SUBTOTAL - WATER LINE TRENCH PATCHING $141,346.00
<br /> 1
<br /> SUMMARY 1
<br /> WATER SYSTEM 1 $1,005,279.75
<br /> WATER LINE TRENCH PATCHING $141,346.00
<br /> CONTINGENCY (15 %) 1 $171,993.86
<br /> TOTAL CONSTRUCTION COST ESTIMATE $1,318,619.61
<br /> 1 ! 1
<br /> OTHER COSTS
<br /> Design and Survey 1 $125,350.00
<br /> State Highway Easement j $20,000.00
<br /> Environmental Assessment $26,400.00
<br /> Legal Fees $39,500.00
<br /> Miscellaneous Costs $39,500.00
<br /> TOTAL OTHER COST ESTIMATE 1 $250,750.00
<br /> 1 1
<br /> TOTAL PROJECT ESTIMATE $1,569,369.61
<br /> 5
<br />
|