[From the U.S. Government Printing Office, www.gpo.gov]





















                             FIVE ISIANDS VdIARF STUDY
                                GEORGETOWN, @UAINE/
                                     June. 7,1990



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                                               COASTAL ZONE

                                            INFORMATION CENTER










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                                                       June 7, 1990






                                                         TEPHEN
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                                                            @C  9
                                                        No 232
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                            Prepared for:         Town Owned Property Management Board
                                                  Georgetown, Maine


                            Prepared by:          KIMBAlL CHASE COMPANY, INC.



                                                  Stepfien C- DeWick P.E.
                                                  Project Manager       -
                                                            ;OO,--e- of@,
                                                  David 13. Kinney
                                                  Project Engineer





                                                                                   Kimball
                                                                                   Chase

                                                                                   53 Front Street
                                                                                   Bath
            June 6, 1990                                                           Maine
                                                                                   04530
                                                                                   (207) 443-1361
            Mr. Carroll Plummer, Chairman                                          FAX (207) 442-702.9
            Town Owned Property Management Board
            Town Office
            Georgetown, Maine 04548


            Subject:            Five Islands Wharf Study         89-2783
                                Final Report

            Dear Mr. Plummer:

            In accordance with our agreement, dated October 18, 1989, we are pleased to submit our
            report on the Five Islands Wharf.

            The data upon which this study and its recommendations, have been based are the most
            current available. The advice and participation by the Board and members of your
            community have been appreciated while conducting this study.

            Thank you for selecting Kimball Chase to assist you with this study.

            Very truly yours,

            Kimball Chase  Company, Inc.




            Stephen C. DeWick, P.E.
            Project Manager

            SCD/sla
            Enclosures

            cc:    Kirk Schlummer, DECD (7 copies)











                                        PROJECT CREDITS




             This project has been sponsored by the Town of Georgetown, Maine. Administration of
             the Project has been under the direction of the Town Owned Property Management Board.
             Members of the Board included:

                                          Carroll Plummer, Chairman
                                                  Ken MaIsch
                                                Frank Sarcione









             "Financial assistance for preparation of this document was provided by a Grant from
             MAINE'S COASTAL PROGRAM, through funding provided by U.S. Department of
             Commerce, Office of Coastal Zone Management, under the Coastal Zone Management Act
             of 1972, as amended."

             The cooperation and assistance of the people responding to the questionnaire is
             appreciated.







                                           '-vabl,.-- . of Conternts



                    Section                                               Page

                    1     Summary & Findings   ......................         1
                    2     Introduction  ............................          3
                    3     Survey Techniques/Condition Survey     ..........   5
                    4     Wharf Maintenance Options     ...............       is
                    5     Rebuilt Wharf   .........................           23
                    6     Conceptual Plan   ........................          27

                                                 List of Tables
                    Table                                                 PaF,,,e

                    I     Life of Wood Members     ....................       18
                    2     Option I Maintenance   ....................         19
                    3     Wharf Upgrade Costs      ...................        20
                    4     Option 2 Maintenance   .....................        21
                    5     Rebuilt Wharf   .........................           23
                    6     Rebuilt Wharf Annual Maintenance     ..........     24
                    7     Conceptual Plan Costs    ...................        27

                                                 List of Figares
                    Figgr                                                  Page

                    I     Project Location   .........................        4
                    2     Project Photos  ..........................          @ 7
                    3     Project Photos  ...................                 8
                    4     Project Photos  ...................                 9
                    5     Project Photos  ..........................          10
                    6     Project Photos  ...............   *  ..........     11
                    7     Project Photos  ..........................          12
                    8     Project Photos  ...........................         13
                    9     Project Photos  .........................           14
                    10    Project Photos  ..........................          15
                    11    Project Photos  ..........................          16
                    12    Project Photos  ..........................          17
                    13    Wharf Plan  ............................            25
                    14    Wharf Elevation  .........................          26
                    15    Conceptual Plan  ...........................        28

                                                 Appendix

                    A-1   Scope of Services .......................        A-1













                                                                                              SECHON I


                                                                              SUNfMARY & FINDINGS



              Summ

              Inspections of the Five Islands Wharf were made by the proj    ect team on October 18, and
              26, 1989. The wharf was also thoroughly inspected with the Town Owned Property
              Management Board (TOPMB) on October 21, 1989. During these visits, detailed
              measurements of the wharf were made, penetrations and probings of wooden members were
              conducted and records prepared of the wharf s overall condition.

              Findings

              Based upon the investigations described above, the following findings have been made:

                     1)     The wharf, which was reconstructed in 1978, is in moderately good condition.

                     2)     The wharf decking has been partially replaced with new decking since 1978.
                            Much of the remaining deck will require replacement over the next five years.

                     3)     The support timbers under the decking are arranged in an orderly fashion,
                            except for those under the south side, and those next to the Cooker/Cooler
                            building. Wooden blocking bias been used to achieve the correct support
                            height over some of the shorter piles.

                     4)     Many of the piles resting upon ledge are pinned. Evidence of anchor ties,
                            which were also pinned, are still visible but are not in use.

                     5)     The wharf s general structural integrity is achieved through numerous cross
                            braces which are arranged in an orderly fashion and are generally in good
                            condition.

                     6)     The piles are arranged in a fashion to take advantage of the ledge conditions
                            and with limited surficial material available at the outer eastern end. Most
                            piles seem to be in good condition, with the exception of 5 piles on the south
                            side.

                     7)     The Love Nest, which is the oldest building at the wharf, is in fair condition.
                            The original hand hewn beams, are visible in most of the structure. Much of
                            the wiring, plumbing, and more recent improvements do not comply with the
                            latest building codes.











                     8)      The Shrimp Building, which was built in 1970, is in good condition and is
                             comprised of a concrete floor. The reinforcing arrangement in the concrete
                             floor is unknown. Floor drains located at convenient spots within the floor
                             discharge directly on to many of the piles and cross members. The electrical
                             wiring system beneath the building does not comply with existing codes.

                     9)      The Cooker/Cooler Building, which contains the bait shed and the steam
                             cooker for lobsters, clams, and corn is in a state of disrepair. Much of the
                             concrete floor, especially in the bait shed, is broken and structural integrity
                             of the decking beneath it is questionable. The addition to the north of this
                             building is of no use in its current state.

                     10)     A public nuisance condition exists most of the time beneath the Bait Shed,
                             the Love Nest, and a portion of the Shrimp Building. This is caused by bait,
                             wash water, and other waste materials discharging untreated to a pocket in
                             the ledge. This pocket drains slowly and generally filled with wastewater
                             which emanates a significant odor.



























                                                            2













                                                                                                 SECITON 2


                                                                                           INTRODUCITON




               The Five Islands Wharf is located in the Village of Five Islands, on the eastern shore of
               Georgetown, Maine. The Village name originates from the five islands located near the
               Village, which include Crow, Malden, Hen, Mink, and Wood Islands (see Figure 1). The
               wharf is located on town-owned property and serves the purposes of local fishermen and
               the general public. The history of the wharf dates back to 1753, as discussed in the
               publication "Preserving An Inheritance" by Martha Oaks, 1982. In its early days, the wharf
               served as a facility associated with steamboat lines. The wharf was reconstructed in 1877
               for H.G. Rowe & Company.

               During the hurricane of 1978, the wharf was     ractically demolished. It was replaced at that
               time in its current state, which is the subject of this study. Demands for the wharfs use
               have increased, particularly as it relates to public access. The wharf s future ability to serve
               both the needs of the local fishermen and the general public will be one of the challenges
               the TOPMB will have to meet.

               This study is being funded jointly by the Town of Georgetown and by a Coastal Zone
               Management Grant from the Department of'Economic and Community Development. This
               initial study is the first phase in a long-range program to upgrade the wharf facilities at Five
               Islands.


























                                                              3










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               GEORGETOWN, MAINE










                                                                                                SECTION 3

                                                      SURVE-Y TECHNIQUESICONDITION SU                  RVEY


              After reviewing the scope of services (see Appendix A) agreed to by the TOPMB and
              Kimball Chase Company, atwo-man team of engineering technicians inspected the Five
              Islands Wharf. Inspections by the team took place on October 18, and 26, 1989. The first
              inspection was scheduled to correspond with low tide which occurred at 7:50 a.m., while the
              second inspection was scheduled to occur at high tide at 8:34 a.m. Inspections at these
              different tide stages allowed detailed investigations of the lower portion of the piles secured
              to ledge, as well as pile condition directly beneath the timber supports and decking.

              During both inspections, detailed measurements were made of the decking, the piles,
              support timbers, cross bracing, and the three, buildings situated on the wharf. From these
              measurements, plans were prepared. The total area of the wharf's deck is 6,460 square
              feet. The Cooker/Cooler Building measures 695 ï¿½ square feet, the shrimp building
              measures 720 ï¿½ square feet and the Love Nest is 525 ï¿½ square feet.

              The elevation of the wharf is 11.2 feet above mean sea level (15.7 feet above low tide).

              All members of the wharf, including the deck support timbers, piles and cross bracing were
              tested for structural integrity. Ice pick penetrations ranged from 1/2 to 1 inch in the deck,
              1/2 to 2 inches in the support timbers, and 1/4 to 5/8 inches in the piles and cross bracing.
              Moist conditions and rot were evident under the decking and under some of the support
              timber, particularly toward the south side.

              A survey of the building was conducted to determine the general structural condition,
              exterior condition and the adequacy of the utilities.

              Photographs taken during the survey show:

                 Figure No.                 Desgdption


                     2A         Rusted hinge under float ramp badly in need of repair
                     2B         Typical pile, beam and rafter

                     3A         South end of dock showing rotting of decking and beam
                     3B         Overall view of south end of dock

                     4A         Typical piles and cross me-mbers,
                     4B         Typical cross beam design, built to gei desired elevation





                                                             5








                Figige No.            Descri.ption


                    5A       Typical piles and cross bracing towards front of dock
                    5B       Typical blocking used for elevation desired
                    6A       Deteriorated deckng out by town float
                    6B       Photo showing decking towards front of dock

                    7A       Severe rotting of beam atsouth end of dock
                    7B       South end of dock showing pipes & wires not to standard codes

                    8A       Typical cross bracing towards front of dock
                    8B       Double row of piles in front of dock

                    9A       Piles and lower unused deck north of Cooker
                    9B       Typical failed beam on lower deck from above, north of Cooker

                    10A      Typical cross bracing under Cook House
                    10B      North end of dock looking, towards Cook House

                    11A      Typical photo showing roving rafters under Cook House
                    11B      Typical rotting decking and beams

                    12A      Town float, some beams showing signs of decay
                    12B      Checking for rot at rafter





















                                                       6















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                                  Overall view of south   end of dock.
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                      South end of dock showing pipes and wires not          to  standard codes.
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                                 Double row of piles in front of dock.
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                                                                                                                                                          Piles and lower unused deck north of                                                                                                                                                        Cooker.






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                                                                                                                Typ- failed beams on                                                                                      lower                         deck                     from                     above, north of Cooker.
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                              North end of dock looking towards  Cook house.
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                                                                                                SECTION 4


                                                                   WHARF MAINTENANCE OPTIONS




              The condition survey shows much of the Five Islands Wharf to.be in good condition. Parts
              of the wharf which are not in good condition, include:

                     0       The Cooker/Cooler Building
                     0       The North Side of the Wharf Behind the Cooker/Cooler Building
                     0       The Commercial Gangway and Float
                     0       Electrical Wiring
                     0       Building Floor Drains

              The expected useful life of wood material in a marine environment is listed below:

                                                         Table I
                                                 Life of Wood Members


                             Wharf Members                              Years

                             Support Piles
                                Untreated Softwood                        10-15
                                Treated Softwood                              20+
                                Untreated Oak w/Bark                          20+
                             Pile Caps
                                Untreated                                 10-15
                                Treated                                      20+
                             Stringers & Cross Bracing
                                Untreated                                  5- 10
                                Treated                                   10-15
                             Deck
                                Untreated                                        5
                                Treated                                   10 - 15

              Qption 1       Repair as needed

              Maintenance costs for the existing facility, based upon its size, age and general condition,
              would include expenses for the replacement. of decking and stringers, repaired on an as-
              needed basis, float and gangway repair and hoist maintenance. The following table presents
              the expected yearly maintenance costs for the existing wharf anticipating reconstruction in
              2003 when pile replacement will be necessary.


                                                            118










                                                                            Table 2
                                                                 Option I RQairs As Needed
                                                     Maintenance Matrix (Building New Wharf in

       Item                         19-90 19-91      19-92     1993 1994         1995     1996      1997    1998     1999 2000 2001            2002

       Decking                      510     638      765       893      1020     1148     1275      1403    1530     1658     1785    1913     2040
       StrinPrs &                   226              620                846               1070              1297              1522             1748
       Bracing

       Pile Caps                            312                468               624                624              624              624

       Gangways                     100     100      2050        50     2025       25       50        50       75      75     100     100      100
       (Replaced 1992 & 1994)
       Railing                      150     150      150       150      150      150      150       150      150     150      150     150      '150

       Hoist                        100     100      100       100      100      100      100       100      100     100      100     100      100

       Float Repair                 240     240      240       240      240      240      240       240      240     240      240     240      240

       Keeper Chains,               300     300      300       300      300      300      300       300      300     300      300     300      300
       Fittings, &
       Float Hdwre.

               Subtotal          $1,626  $1,840 $4,225       $2,201   $4,681  $2,587 $3,185       $2,867   $3,692 $3,147 $4,197     $3,427   $4,678
               Contingency          1       210      425       24       469      263      315       283     358      303      403     323      1,472
               TOTAL              $1,800  $2,050   $@,-650  $2,450 $5,150     $2,850 $3,500       $3,150  $4,050   $3,450   $4,600  $3,750   $5,150









               Option 2      Repair as needed after wharf upgrade

               After an initial upgrade of the wharf with some new piles and some spliced piles, a system
               of pile caps, stringers, and deck would be constructed. Table 3 below presents the
               approximate costs of wharf upgrade. The Table 4 on the following page shows the annual
               maintenance costs after upgrade.





                                                          Table 3
                                                  Wharf )g[ade Costs


                             Demolition 4,250 s.f. @ $10/s.f.           $42,500

                             Cost of Upgrade (Untreated)
                                    65 new piles                         21,450
                                    65 spliced piles                     11,000

                             New Pile Caps                               15,600

                             New Stringers                               21,900

                             New Deck                                    25,500
                                                           Subtotal     $137,950
                                                      Contingency        13P800
                                                      Engineering        25,000
                                                            Survey         2,500
                                                             Boring            0
                                                          TOTAL         $179,250















                                                            10















                                                                         Table 4
                                                          OPTION 2 (PARTIAL UPGRADE)
                                                   ANNUAL COST FOR WHARF MAINTENANCE




              Item                              1992-1997          1997-2002           2002-2007*           2007-2012            2012-2017

              Decking                            $ 255              $ 510                 $5,100             $   255              $   510
              Stringers & Bracing                    325                325                 6,430                325                  325
              Pilecaps                                                      -                   -                312                  312
              Gangways & Crate Slide                 240                240                  240                 240                  240
              Railing                                   -               150                  150                 150                  150
              Hoist                                  100                100                  100                 100                  100

              Floats                                 240                240                  240                 240                  240
              Keeper Chains, Fittings,                  -               300                  300                 300                  300
               & Float Hardware

              Subtotal                              1,160              1,865               12,560                1,922               2,177
              Contingency                            140                185                 1,240                138                  223
              TOTAL                              $ 1,300/yr         $ 2,050/yr           $13,800/yr          $ 2,100/yr           @2,400/yr



                                Entire deck replaced between 2002 and 2007.













               MARTMNANCE PROGRAM


               A detailed maintenance program contains three (3) specific parts. These are:

                      1.     Condition Survey
                      2.     Preventative Maintenance
                      3.     Restoration/Replacement

               Detailed maintenance programs should be instituted regardless of the wharf s material, age,
               or condition. What may vary between programs will be the money spent to maintain the
               facility. The program proposed for the Five. Islands Wharf should include the following:

                                                                        Frequen@y
                                                             Annual       2 Years 5 Years
               1.     Condition Survey
                A.    Inspection of deck                        X
                B.    Inspection of timber supports                        X
                      and pile caps
                C.    Inspection of cross-bracing                                      X
                D.    Inspection of piles                                              X
                E.    Inspection of gangways                               X
                F.    Inspection of chains and moorings                                X
                G.    Inspection of building exteriors                     X
                      and roofs
                H.    Inspection of floats                                 X
               2.     Preventative Maintenance
                A.    Weather treatment applied to deckin!                 X
                B.    Weather treatment applied to pile caps               X
                      and timbers
                C.    Weather protection applied to gangways               X
                D.    Painting of building exterior                                    X
                E.    Rust removal and painting of chains                              X
                      and metal hinges on gangways
                F.    Lubrication of wheels and hinges           X
                      on gangways
               3.     Restoration/Replacement
                A.    Replacement of deck planking               X
                B.    Replacement of pile caps                             X
                      and support timbers
                C.    Replacement of planks and gangways                               X
                D.    Repair or replacement of chains                                  X
                E.    Replacement of planking on float decks               X
                F.    General repair to building exteriors       X

                                                            22













                                                                                                     SECTION 5


                                                                                            REBUILT VVHARF





               The cost to rebuild the wharf to its existing configuration, with minor changes in elevation,
               would be approximately $590,609. A detailed breakdown of costs associated with the
               reconstruction of the wharf is shown in Table 5. Yearly maintenance costs of this option
               are presented on the following page.

                                                             Table 5
                                      New Wharf Constructed to Existing Dimensions

               Desgdption                                                                Cost

               Piles                                                                   $75,570
               Pile Caps                                                               21,408
               Stringers                                                               26,884
               X-Bracing                                                               18,000
               Decking                                                                 36,046
               Handrail                                                                  1)000
               Floats                                                                    8,000
               Gangways                                                                  5,500
               2 Hoists
                      (1) Relocated                                                        750
                      (1) New                                                            5,000
                ower                                                                   10,000
               Demolition                                                              64,500
               Building Removal & Reset (Love Nest & Shrimp Building)                  35,000
               Sitework at Shore                                                         7,080
               New Cooker/Cooler Building                                              32,000
                                                                        Subtotal:    $346,738
                                             Contractor's Oveirbead & Profit:          52,010
                                                            Contractoes Bond:          10,402
                                                                   Mobilization:       17.33
                                                                                     $426,487
                                                                   Contingency:        106,622
                                                                         Borings:            0
                                                                  Topo Survey:           2,500
                                                                        Permits:         5,000
                                                                    Engineering:       50,
                                                                        TOTAL        $590,609

                                                               23



                                                    m m mow== mm.m M@M'








                                                                            Table 6
                                                          Rebuilt Wharf Annual Maintenance Cos



              Item                               1992-1997             1997                2002-2007*            2007-201             2012-201
              Decking                             $ 186                $ 372                 $7,440               $ 372                $ 744
              Stringers & Bracing                     230                  460                 9,200                  460                  920
              Pilecaps                                    -                   -                     -                 456                  456
              Gangways & Crate Slide                                       240                  240                   240                  240
              Railing                                     -                150                  150                   150                  150
              Hoist                                   200                  200                  200                   200                  200
              Floats                                  120                  240                  240                   240                  240
              Keeper Chains, Fittings,                    -                300                  300                   300                  300
               &Float Hardware

              Subtotal                                736                 1,962               17,770                 2,418                3,250
              Contingency                               64                 188                1.78                    232                  350
              TOTAL                               $   800/yr           $ 2,150/yr           $19,550/yr            $ 2,650/yr           F3,600/yr

                 Entire deck replaced betweeli 2002 and 2007.


















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                                                                                                     SECTION 6


                                                                                         CONCEPTUAL PLAN

               The conceptual plan, shown in Figure 15, would allow for increased access to all areas of
                the Five Islands Wharf and would also expand the berthing area. The approximate costs
               associated with constructing the conceptual plan are as follows:


                                               Table 7
                                         Con=tual Plan Costs


                      Piles                                                $53,460
                      Pile Caps                                            11,448
                      Stringers                                            14,071
                      X-Bracing;                                            8,640
                      Decking                                              20,124
                      Handrail                                              1,800
                      Floats, Moorings, & Chain                            51,300
                      Gangways                                              4,320
                      Cooker/Cooler Building                               32,000
                                                        Subtotal:        $197,163
                             Contractor's Overhead & Profit:               29,575
                                           Contractor's Bonds:              5,915
                                                    Mobilization:           9,858
                                                                         $242,511
                                                    Contingency:           60,689
                                                         Borings:           2,500
                                                  Topo Survey:              2,500
                                                         Perrniis:          5,000
                                                    Engineeirig:           25.000
                                                        TOTAI--          $338,200
















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                                                                                                                                                                                                                                                                                                     .....    .....     .....
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                                                                                       SCOPE OF SERVICES




                 The tasks needed    to evaluate the condition of the Five Islands wharf and to prepare the
                 engineering study are outlined below.

                               TASK 1 CONDITION SURVEY

                               A condition survey of the Five Islands wharf will be conducted by a civil
                               engineer and a structural engineering technician. Detailed measurements of
                               the wharf and pile support system will be made in order to prepare
                               preliminary plans.     Penetration, probings of wooden members will be
                               conducted at selected locations to determincstructural integrity. A detailed
                               list of items and their conditions will be prepared for the wharf.

                               TASK 2 WHARF MAINTE-NANCE OPTIONS

                               Based upon the results of Task 1, a detailed evaluation of maintenance options
                               will be presented. Addressed by each option will be the present condition of
                               the wharf, particularly. as they relate to safety. The following sub-tasks will
                               be conducted:

                                         Task2.A An evaluationwill be made assuming no investment and
                                                     maintenance other than those repairs needed to ensure
                                                     safety of persons using the facility. This may be limited
                                                     to replacement of deck planks, and some of the support
                                                     timbers.

                                         Task 2.B    Ile second option will evaluate a higher level of
                                                     maintenance associated with sister piles, splicing of
                                                     existing piles, and other temporary repairs to prolong the
                                                     life of the structure and to maintain its existing level of
                                                     use.


                                         Task 2.C    If the condition survey indicates the wharf can be used
                                                     at its current level with on-going maintenance, a detail
                                                     preventive maintenance program will be developed.








                                                                                        M
                                                                                                 Kimball
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                              TASK 3 REBUff-T WHARF

                              An evaluation will be made to determine the requirements of demolishing and
                              rebuilding the wharf to the existing dimensions, and to the level of use for
                              which it was originally intended. Prepared as part of this task will be the
                              following sub-tasks:

                                         Task 3A     The expected life of a new wharf, which has been totally
                                                     rebuilt, Nvill be prepared.       A program of basic
                                                     maintenance will be developed and the costs associated
                                                     with such maintenance included.

                                        Task 33      This silb-task will detail the items of preventive
                                                     maintenance which must be undertaken to maximize the
                                                     service life of the new wharf.


                             TASK 4 NEW PIER EXP)kNSION

                             Based upon discussions with the Town Owned Management Board and various
                             users of the existing wharf, preliminary plans for a new expanded facility will
                             be developed. Included in this evaluation will be details concerning the ways
                             and means to accommodate, a larger number of people based. upon the
                             expected increase in use over the useful life of the facility. Also addressed
                             under this task will be those requiremeiAs to permit such tacilities by the
                             Maine Department of Environmental Protection and the U.S. Army Corps of
                             Engineers. A construction cost estimate will be prepared, which will also show
                             other project costs such as engineering, borings, soundings, permits, and
                             construction supervision.

                             TASK 5 ViR=N REPORT

                             'All of the findings and results from the above tasks wi     11 be included in a
                             written report, presented to the Town Owned Property Management Board.
                             Included in the report will be a summary and clear recommendations for
                             future actions. Also included will be detailed cost estimates in today's dollars,
                             a project implementation schedule along with information concerning possible
                             grants for future phases and construction. Twelve (12) copies of the final
                             report will be presented to the town upon completionof the project.

                             TASK 6 MEETINGS

                             The successful undertaking of this      evaluation will include a number of
                             meetings with the Town Owned Property Management Board and others.
                             Mectinas which are anticipated will include, but not be limited to the
                             following:


                                                                                                Kirnba         11
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                                            Initial Project: Meeting to verify scope of work and the
                                            requirements of the study.
                                        2.  Progress Meeting at 50% completion to         review  findings of
                                            condition survey and details of evaluated options.

                                        3.  Final Review will be conducted at the 90% complete stage to
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                                            verify that the scope of services and requirements of the project
                                            have been met. A draft of the final report will be presented at
                                            this meeting.

                                        4.  Final Meeting - Once the draft of the report has been accepted
                                            by the Town Owned Property Management Board, the results
                                            of it will be presented at a public meeting. The study will be
                                            discussed and -the recommendations will be presented.
























                                                                                              Komball
                                                                                              Chase



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