TOWN OF DENNIS 10 YR COMPREHENSIVE DREDGE PERMIT SEPTEMBER 10, 2013
WHAT IS IT? ALL NECESSARY PERMITS FOR DREDGING FOR PORTIONS OF BASS RIVER, SWAN POND RIVER, SESUIT HARBOR AND CHASE GARDEN CREEK ONE PACKAGE. WILL INCLUDE: NAVIGATION CHANNELS, DOCK & PEIR ACCESS, MOORING BASINS, DEWATERING SITES AND DISPOSAL SITE AND BEACH NOURISHMENT LOCATIONS VALID FOR 10 YEARS
WHY DO IT? VARIOUS AGENCY PERMITS FOR SWAN POND RIVER & SESUIT HARBOR ENTRANCE CHANNELS HAVE BEEN REQUESTED AS NEEDED. THEY HAVE DIFFERENT RESTRICTIONS AND EXPIRATION DATES.
Agency DenConsCom MADEP Wetlands Table 2 4. Permits for Swan Pond River Permit Order of Conditions Water Quality Cert. Expiration Date 4/21/2012 5/12/2012 10/20/2014 MADEP Waterways Chapter 91 Permit 1/19/2020 US Army Corps of Engineers Prog. General Permit 1/20/2015 Rev 1/20/2010 Activities Permitted Dredge 20,000 cy Beach nourishment at W. D Beach Dredge 20,000 cy; placement as beach nourishment at W. Dennis Dredge 20,000 cy; placement as nourishment at W. D Beach Dredge 20,000 cy; placement as nourishment at W. D Beach place 10,000 cy at W. D B from other source Time of Year Restrictions No dredging Jan. 15 to Jun. 15 No nourishment from Apr. 1 to Aug. 31 No dredging Jan. 15 to Jun. 15. No nourishment from Apr. 1 to Aug. 31 No dredging Jan. 15 to Jun. 15 in inner channel (Sta. 0+00 to 60+00); no nourishment from Apr. 1 to Aug. 31 No beach nourishment in Plover habitat from Apr. 1 to Sep. 1
COMBINING PERMITTING: EASIER TO MANAGE EXISTING AND PROPOSED DREDGE LOCATIONS MORE COST EFFICIENT 2 TO 3 TIMES LONGER PERMITTED TIME BETTER FISCAL PLANNING FOR ANNUAL DREDGING REGULAR BEACH NOURISHMENT PRESERVES VALUABLE ECONOMIC RESOURCES ALLOWS MUNICIPAL/PRIVATE PARTNERSHIPS WHICH COULD REDUCE MUNICIPAL COSTS AND HELP WATERFRONT PROPERTIES DEAL WITH EROSION
WHAT IS INCLUDED?
NAVIGATION CHANNELS
DOCK & PIER ACCESS
MOORING BASINS
DEWATERING SITES DISPOSAL AREAS
BEACH NOURISHMENT AREAS
CURRENTLY PERMITTED NAVIGATION CHANNELS BASS RIVER LOWER CHANNEL (TOWN OF YARMOUTH OBTAINED 10 YEAR COMPREHENSIVE PERMIT FOR BASS RIVER CHANNEL FROM MOUTH TO GRAND COVE AREA IN 2010). SESUIT HARBOR ENTRANCE CHANNEL
CURRENTLY PERMITTED HABITAT IMPROVEMENT AREA SWAN POND ENTRANCE CHANNEL
CURRENTLY PERMITTED BEACH NOURISHMENT AREAS WEST DENNIS BEACH COLD STORAGE BEACH
CURRENTLY PERMITTED DEWATERING & DISPOSAL SITES NONE
PROPOSED NAVIGATION CHANNEL DREDGING BASS RIVER GRAND COVE TO FOLLINS POND BASS RIVER SPUR CHANNELS: WEIR CREEK, UNCLE FREEMAN, FERRY ST, BASS RIVER PARK, HORSEFOOT COVE, GRAND COVE, WILBUR COVE, FOLLINS POND.
PROPOSED MOORING BASIN DREDGE LOCATIONS STAGE ISLAND WEIR CREEK UNCLE FREEMANS CAPT. HARDING AUNT JULIA ANNS LITTLE COVE GRAND COVE
PROPOSED MOORING BASINS (CONT.) WILBUR COVE HIGH BANK KELLEY S BAY FOLLINS POND SESUIT INNER BASIN SESUIT INNER MOORING
PROPOSED HABITAT IMPROVEMENT AREA CHASE GARDEN CREEK CHANNEL CHASE GARDEN CREEK SHOAL
PROPOSED DEWATERING SITES WEST DENNIS BEACH PARKING LOT BASS RIVER PARK PARKING LOT HORSEFOOT COVE LANDING COVE ROAD LANDING, SD AUNT JULIA S LANDING OLD FISHERMAN S LANDING FOLLINS POND LANDING
PROPOSED DEWATERING SITES (CONT.) CHAPIN BEACH PARKING LOT SESUIT HARBOR WEST SIDE PARKING LOT SESUIT HARBOR EAST SIDE PARKING LOT COLD STORAGE BEACH PARKING LOT
PROPOSED DISPOSAL AREA EAST OF COMPOST AREA AT THE TRANSFER STATION ARMY CORPS OF ENGINEERS (ACOE) OFF SHORE MASSACHUSETTS BAY DISPOSAL SITE, BOSTON
Project Type Side/Spur Channel Mooring Basin Outer/Entrance Channel Inner Channel Mooring Basin Capacity 10 YR COMPREHENSIVE MATRIX Category ID Name Bass River Entrance ü Old Field Channel 1 ü Bass River Lower Channel ü B Ri Ch l Mid Ri 1 ü
GIS MAPPING http://www.mapsonline.net/dennisma/dennisdredge.html
DREDGE VOLUMES & COSTS WOODS HOLE GROUP REPORTED THAT THE TOWN WAS, ON AVERAGE, DREDGING ABOUT 10,500 CY OF CLEAN SAND FOR BEACH NOURISHMENT. FUNDING: $100,000/YR. 10 YEAR PERMIT ESTIMATE: 153,000 CY OR 15,300 CY/YR. FUNDS NEEDED: $250,000/YR* BARNSTABLE COUNTY DREDGE RATES: FIRST 3,500 FT =$7/CY, 3,500 TO 12,000 FT = $11/CY OFF SITE DEWATERING & DISPOSAL $80 $100/CY * Conceptual estimate, requires survey to confirm
WHERE DO WE GO FROM HERE? POST MAP ON TOWN WEB PAGE FOR PUBLIC REVIEW AND COMMENT DISCUSS SUPPORT WITH TOWN OF YARMOUTH PRELIMINARY DISCUSSIONS WITH DEP FUND $250,000 FOR ENGINEERING TO OBTAIN FINAL PERMIT IN 2 TO 3 YEARS. FUNDING SCHEDULE: NOV2013 STM: $60K, MAY2014 ATM: $165K; MAY2015 ATM: $25K
DREDGE EQUIPMENT COST ESTIMATE
Minimum Dredge Equipment: Cost: Dredge (replacement 20 years) - $1,200,000 Booster pump - $300,000 14 Dia. Pipe (6,000 ft @ $40 per ft)- $240,000 Couplers for pipe or joint fusion- $25,000 Pipe floats $120,000 Push Barge w/ boom (150hp engine)- $50,000 Support boat (with 150hp engine) - $30,000
Boat trailers (2)barge & boat - $8,000 Loader (replacement 7 years)- $180,000 Crane (rental 5 days @ $1,500)- $7,500 Flat bed trailer for hauling pipe, used- $8,000 Truck for flatbed trailer used - $15,000 Miscellaneous Safety equipment $15,000 Misc. tools & equipment $25,000 Subtotal: $2,223,500 Annual Operating Budget: $650,000 Total start-up cost first year - $2,873,500
Other Information Estimate does not include backup parts and equipment. Pipe storage either on town beach or hauled overland to town property. North side/south side mobilization measured in weeks. Equipment operates in highly corrosive environment. Requires qualified (licensed) work force.