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Table 3: Costs/Benefits of Clean Marina Examples.
| Environmental change(s) |
Initial investment |
Years to amortize |
Annualized cost of investment |
Change in annual operations costs |
Change in annual revenue |
1995 net benefits from environ. change |
Notes |
| 1. Trash recycling - All Season's Marina, NJ |
$5,000 |
10 |
$648 |
($4,100) |
$0 |
$3,452 |
Net benefit is estimated by avoided trash removal cost less estimated labor
costs for recycling. |
| 2. Closed-loop hull-blasting system with reused plastic blasting medium -
Associated Marine Technologies, FL |
$25,849 |
5 |
$5,971 |
$8,617 |
$58,173 |
$43,585 |
Income from entire hull-blasting operation; difference in costs and
revenues from conventional system revenues unknown; system installation
required by county to continue service. |
| 3. Pumpout service used as staff incentive - Battery Park Marina, OH |
$2,450 |
10 |
$317 |
$20 |
$12,500 |
$12,163 |
Improved staff morale and productivity. |
| 4. Sewage meter for pumpout station and entire marina - Brewer's Cove Haven
Marina, RI |
$6,800 |
10 |
$881 |
($2,603) |
$0 |
$1,722 |
Savings from metered sewage flow; federal and state grants paid for
installation of meter; however, initial cost included here to demonstrate
benefits even with full cost. |
| 5. Public education and free recycling - Cap Sante Boat Haven, WA |
$0 |
N/A |
$0 |
($10,800) |
$0 |
$10,800 |
Waste disposal savings, less the cost of renting recycle bins. |
| 6. Habitat assessment and scallop farming under docks - Cedar Island
Marina, CT |
$0 |
20 |
$0 |
$33,500 |
$46,000 |
$12,500 |
Cost of docks no more than conventional docks; operations costs are
biologists' salaries; cost savings from extended dredging season; in addition
to net benefits, $5,000 of annual "free publicity" is attributed to
improvements. |
| 7. Inland boatyard and repair sites - Conanicut Marine Services, RI |
($1,807,000) |
20/10 |
($138,688) |
($72,125) |
$75,000 |
$285,813 |
Initial land savings on buying inland v waterfront, includes permit saving;
land amortized over 20 yrs, trailer over 10 yrs; property tax and land value
savings are estimated to demonstrate benefit of inland yard. |
| 8. Overall changes: pumpout service, dustless sanders, ground maintenance -
Deep River Marina, CT |
$21,000 |
10/5 |
$3,329 |
$13,000 |
$86,800 |
$70,471 |
Additional benefits from new slip rentals, winter storage, added fuel
sales; additional value was realized from "free publicity"; pumpout amortized
over 10 yrs, sanders over 5 yrs. |
| 9. Overall changes: environmental contract, pumpout service, solid waste
and liquid materials management - Edwards Boatyard, MA |
$116,400 |
20/10 |
$9,459 |
$18,100 |
$100,000 |
$72,441 |
Pumpout cost amortized over 10 yrs, other investments over 20 yrs; also
attributed the equivalent of $10,000 of "free publicity." |
| 10. Overall changes: habitat creation, pollution control, water
conservation, etc. - Elliot Bay Marina, WA |
N/A |
1 |
N/A |
($3,620) |
$0 |
$3,620 |
Savings from avoided hazardous waste pickup paid for labor time; dog waste
bags, distributed free to customers, save labor costs. |
| 11. Overall changes: wash water recycling, trash recycling, portable
pumpout station - Green Cove Marina, NJ |
$6,800 |
10 |
$881 |
($750) |
$28,700 |
$28,569 |
Change in costs are added labor and service costs less savings from
decrease in disposal services; initial outlay for portable pumpout and
recycling setup less permit savings; pumpout partially paid for with state
grant but full initial cost included here to demonstrate benefits even with the
full cost. |
| 12. Pumpout capabilities at every dock - Hall of Fame Marina, FL |
$16,200 |
10 |
$2,098 |
$3,788 |
$300,000 |
$294,114 |
Increased revenue due to special dockside pumpout service. |
| 13. Seaweed recycled as garden fertilizer and mulch - The Hammond Marina,
IN |
$0 |
N/A |
$0 |
($800) |
$0 |
$800 |
Expected to save $17,500 on weed control in 1996. |
| 14. Filtration of pressure wash water - Harbour Towne Marina, FL |
$46,415 |
10 |
$6,011 |
$24,000 |
$270,000 |
$239,989 |
Difference in revenues and costs compared to conventional system unknown;
system installation required by county to continue service. |
| 15. Full-service pumpout and fueling - Kean's Detroit Yacht Harbor, MI |
$12,000 |
10 |
$1,554 |
$1,040 |
$11,000 |
$8,406 |
New revenue from dockside pumpout and fuel services. |
| 16. Recycled crushed concrete controls runoff - Lockwood Boat Works,
NJ |
($360,000) |
20 |
($28,888) |
$0 |
$0 |
$28,888 |
Initial investment is negative because of savings of using recycled
concrete surfacing rather than blacktop. |
| 17. Dustless vacuum sanding - The Lodge of Four Seasons Marina, MO |
$3,724 |
5 |
$860 |
$8,643 |
$20,000 |
$10,497 |
Net of initial outlay and estimated labor and materials cost; saved 30% of
conventional costs; difference in revenues unknown. |
| 18. Floating pumpout and restroom barge to serve transients - Oak Harbor
Marina, WA |
$0 |
N/A |
$0 |
($5,230) |
$0 |
$5,230 |
State grant funded $58,600 cost of pumpout barge. The city hauls the
marina's septic waste for free, which saved an equivalent of $8,220 in septic
hauling cost. |
| 19. Outdoor boat repairs done over screen tarps - Port Annapolis Marina,
MD |
$2,000 |
1 |
$2,000 |
($2,000) |
$2,000 |
$2,000 |
Savings on cleanup costs, less the cost of labor and screen tarps. |
| 20. Opening in breakwater to improve flushing - Puerto del Rey Marina,
PR |
$30,000 |
20 |
$2,407 |
$0 |
$50,000 |
$47,593 |
Additional dock rental income attributed to better water quality. |
| 21. Wash water recycled without chemicals - Summerfield Boat Works, FL |
$30,075 |
10 |
$3,895 |
$3,300 |
$93,750 |
$86,555 |
Savings in water cost. |
| 22. Used oil burner installed to heat boat repair building - West Access
Marina, IL |
$7,000 |
10 |
$907 |
($9,894) |
$9,495 |
$18,482 |
Cost savings on disposal and energy, less annual maintenance costs, plus
additional boat repair income. |
| 23. Floating personal watercraft (PWC) fueling dock prevents spillage -
Winter Yacht Basin, NJ |
$3,138 |
10 |
$406 |
$400 |
$6,366 |
$5,560 |
Additional personal watercraft fuel sales business. |
| 24. Environmental changes at boatyard chain - Brewer Yacht Yards; NY, CT,
RI, MA, ME |
N/A |
N/A |
N/A |
N/A |
N/A |
+ |
No calculations because chain-wide efforts made it difficult to attribute
benefits to any one particular change; owners, however, felt strongly that
chain-wide improvements made good business sense. |
| 25. Environmental changes at marina chain - Westrec Marinas, Inc.;
national |
N/A |
N/A |
N/A |
N/A |
N/A |
+ |
[Same note as above] |
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