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Contractor bid averages for installation of three 29,000 gallon underground storage tanks
Link to this table
BASE BID ITEM | ESTIMATED QUANTITY | UNIT | UNIT PRICE AVERAGE | TOTAL AVERAGE BID |
---|---|---|---|---|
Part 1 - General and Erosion Control | ||||
MOBILIZATION | 1 | LS | 💲23,340 | 💲23,340 |
SEDIMENT CONTROL LOG -- INSTALL, MAINTENANCE AND REMOVAL | 267 | LF | 💲5 | 💲1,335 |
TEMPORARY FENCE -- INSTALL AND REMOVAL | 160 | LF | 💲8 | 💲1,280 |
STABILIZED CONSTRUCTION EXIT -- INSTALL, MAINTENANCE AND REMOVAL | 1 | LS | 💲2,410 | 💲2,410 |
EROSION CONTROL BLANKET | 424 | SY | $4 | $1,696 |
STORM DRAIN INLET PROTECTION -- INSTALL, MAINTENANCE AND REMOVAL | 2 | EA | 💲387 | 💲774 |
DUST CONTROL | 10 | HRS | 💲121 | 💲1,210 |
Total Part 1 | 💲32,045 | |||
Part 2 - Removals | ||||
REMOVE EXISTING SEDIMENT CONTROL LOG OR SILT FENCE Total Part 2 | 268 | LF | 💲4 | 💲1,072 |
Total Part 2 | 💲1,072 | |||
Part 3 - Grading | ||||
COMMON EXCAVATION -- INCLUDES TANK TRENCH EXCAVATION AND FILL TO PROPOSED GRADE | 1955 | CY | $9 | $9 |
REMOVAL OF EXCAVATED MATERIAL | 1389 | CY | $10 | $13,890 |
AGGREGATE BACKFILL | 1009 | CY | $41 | $41,369 |
Total Part 3 | 💲72,854 | |||
Part 4 – Underground Storage Tank Components | ||||
RAINWATER HARVESTING TANK (120" DIA. X 50-FEET) | 3 | EA | 💲77,639 | 💲232,917 |
CONSTRUCT DRAINAGE STRUCTURE | 6 | EA | 💲1,153 | 💲6,918 |
CONCRETE, REINFORCED COLLAR (RISER MANHOLE CAP) | 6 | EA | 💲1,085 | 💲6,510 |
CONCRETE, REINFORCED COLLAR (AT RISER CONNECTION TO TANK) | 6 | EA | 💲1,248 | 💲7,488 |
INSTALL CASTING | 6 | EA | 💲1,221 | 💲7,326 |
18" HDPE PIPE | 115 | LF | 💲73 | 💲8,395 |
SOIL DENSITY COMPACTION TESTING | 12 | EA | 💲430 | 💲5,160 |
Total Part 4 | 💲274,714 | |||
Part 5 – Site Restoration | ||||
RAPID STABILIZATION | 0.42 | AC | 💲3,173 | 💲1,333 |
PERMANENT SEEDING | 0.42 | AC | 💲6,336 | 💲2,661 |
TURF ESTABLISHMENT | 1 | EA | 💲2,500 | 💲2,500 |
Total Part 5 | 💲6,494 | |||
Total Bid | 💲386,590 | |||
PRICE PER TANK (3 – 29,000 gallon tanks) | 💲129,060 | |||
PRICE PER TANK PER YEAR OVER 25 YEAR | 💲5,162 | |||
PRICE PER GALLON (87,000 gallons) | 💲4.44 | |||
PRICE PER GALLON PER YEAR OVER 25 YEARS | 💲0.06 |