Section_11_Plan_Set.pdf

PLAN SET

ATTACHMENT A

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Floating Dock Specifications

1. Standard Modular Floating Dock Sections

1-A. Each AccuDock floating dock section shall be composed of hand welded High-Density Polyethylene (HDPE) sheet plastic, using non-rotationally molded floats. AccuDock sections are manufactured using individual sheets for sides, ends, bottoms, and tops. With a 100% guaranteed universal wall thickness of .150 inches (min.), and completely encapsulated expanded polystyrene (EPS) foam. The lid or top surface has a 2-1/2” lip around the entire float.

1-A1. HDPE plastic will be white in color, and have a levant non-skid texture. It will incorporate an ultraviolet inhibitor of UV-8 or better. All plastic material meets requirements of ASTM D4976– PE 235

& FDA 21CFR 177.1520.

1-A2. The density of an AccuDock section is equal to approximately .950 grams per cubic inch or

.058 grams per cubic centimeter per ASTM D4883.

1-A3. The tensile strength at yield will be no less than 3800 pounds per square inch, and at break no less than 4400 pounds per square inch, per ASTM D638.

1-A4. The material will have a cold brittleness temperature at no less than -103° F.

1-B. Completely encapsulated EPS shall be 100% virgin material and be of a closed cell nature allowing no more than 3% water penetration. This specification will ensure all AccuDock sections will never sink. Floatation shall not be accomplished by use of air pockets in any form.

1-B1. All EPS foam blocks used in the manufacturing process will be pre-cut and hand trimmed to exact size, then hand loaded into each float section to ensure 100% foam filled, air-tight encapsulation.

1-C. Sections will have a marine grade aluminum frame surrounding the entire perimeter which will be 2” x 2” x .125” square tubing with radius corners made of 6061-T6 series aluminum. Each aluminum frame will be attached to the float section or HDPE top with 5/16” x 2-3/4” 304 series Stainless Steel carriage bolts. However, sections that are designed to be used individually (work floats) will not have an aluminum frame.

1-D. Each section shall have a maximum weight of no more than 120 pounds, and shall draft no more than

1” under dead load. Specified live load capabilities of 62 pounds per cubic foot will be supported.

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2. Connections of Standard Modular Float Sections

2-A. All connectors provided for assembly of adjacent sections are designed for each individual custom configuration. Connectors shall be made from 6061-T6 Marine grade aluminum and typically be of

1.66” x 1.66” x .125” square tubing.

2-B. Connectors will create a rigid and stable connection between float sections.

2-C. Connectors will be bolted into place with a combination of 304 series Stainless Steel carriage bolts and hex cap screws.

7. Low Profile Decked Docks

7-A. All Decked floating dock systems incorporate the same standard AccuDock fabrication processes for float sections and framing systems as outlined above in Specifications 1 & 2. The design of the decked system is customer specific, and dimensions of overall layouts will vary, with the basic specifications below remaining constant.

7-A1. The independent framing system is constructed of 6063-T5 1-1/4” x 1-1/4” x 1/8” aluminum channel. The frame system will cover the entire surface area of the standard AccuDock system, as well as incorporate spacing members on 16”centers as required for decking support. The frame is built in smaller sections for ease of installation and is bolted to adjoining sections with 304 series Stainless

Steel hard- ware. The entire frame system is through bolted with 304 series Stainless Steel hardware to the standard AccuDock 2” square aluminum tube framing.

7-A3. Side skirt boards will be suggested and included on all decked systems for a complete and finished look. Skirt boards will be screwed into both the AccuDock standard frame system, as well as the specific framing. Skirt boards will use the same deck boards as the surface.

7-A4. The additional weight of the decked system will result in an additional draft of 1 inch from the standard AccuDock system. The additional height of the system will result in an additional total freeboard of 1-1/4”.

7-B. Low Profile Rowing Docks

7-B1. AccuDock float sections to be used underneath a decked system for rowing purposes will be built to different specifications. Standard AccuDock float section will be 5’ x 8’ x 5-1/4” height, with a footprint of floatation to surface area at no less than 87%. The high footprint of floatation percentage maximizes necessary stability for the rowing dock applications. Resulting freeboard for rowing specific uses will be no greater (higher) than 6” at dead load.

7-B2. Side Skirt boards on decked rowing docks are designed to match freeboard height. Skirting will drop down to water level height which will prevent any damage to the rowing shells.

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7-B3. The entire Rowing Dock design should allow for an easy reconfiguration into numerous different dock systems for rowing applications to meet exact FISA standards. Including but not limited to: Start Docks, Pod Docks, Official’s Platforms, and additional Launch Docks. Reconfiguration will be accomplished by an AccuDock designed quick-disconnect system to allow for easy separation.

7-B4. Decked Rowing Docks will allow for the addition of accessories, including but not limited to: rub rail/bumpstrip, pop-up cleats, solar lighting, reflectors, additional platforms for awards ceremonies, etc.

Gangway and Ramp Specifications

1. Gangways and Ramps

1-A. AccuDock aluminum gangways and ramps are built with 6005-T5 marine grade aluminum to customer’s desired length and width. All AccuDock gangways and ramps are built to withstand a

50 pounds per square foot live load rating. Typically, gangway and ramp construction will be as follows:

1-A1. Core Fabrication - Will be done with either 2” x .125” aluminum square ribbed tubing or 3” x .125” aluminum square ribbed tubing depending on the overall dimensions of the gangway or ramp. Gangway sides are built as a truss, where the center stanchions are typically 5’ center to center (or as close to 5’ as possible depending on the length of the gangway), and they are built into the structure of the design and take a pre-stressed arch shape for additional strength. Underneath support trusses are included as needed, where the stanchions are composed of the same aluminum square tube as the core structure and the stringer is either 2’’ x 2’’ x .25’’architectural angle or 3’’ x 3’’ x .375’’ architectural angle depending on the size of the gangway or ramp. Additional 45° square tube gussets are built in on select gangway and ramp ends where extra structural stability is needed.

1-A2. Standard Decking - Will be 1’’ x 12’’ 6005-T5 aluminum ribbed and knurled non-skid aggressive surface, with decking supports at no more than 24” on centers. On each end of the deck boards, the boards will be supported by a 1’’ x 1’’ x .125’’ architectural angle which spans the distance of the gangway or ramp. All decking members will be welded to these pieces of angle, and thus will be welded to the structure of the gangway. No deck screws will be used to attach standard aluminum decking. On gangways, the distance from the standing surface of the decking to the top of the side truss will be no less than 42’’.

1-A3. Additional Decking – Several options are available to match desired decking on float surface. (It will be the County’s choice of decking mailto:SALES@ACCUDOCK.COM

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1-B. AccuDock gangway and ramp attachment points will vary per customer’s location as well as dock attachment desires/availability. Typical gangway and ramp attachments include, but are not limited to:

1-B3. Dockside Hinge Attachment – A piano hinge design made up of various lengths of dock connector welded to the face of a piece of flat bar and with a 1-1/4” SCH 80 aluminum pipe hinge pin with a PVC pipe bushing. Hinges to have no more than 1/8” gap between knuckles (dock connector) horizontally, and to have smooth transition as to not create a trip hazard. Dockside hinge material will typically be either 3” x 3” x .25”structural angle or 9” x .375” flat bar depending on the specific type of AccuDock system that the gangway or ramp is being attached. The gangway or ramp side of the hinge material is typically 3’’ x .5’’ flat bar or 4’’ x .5’’ flat bar depending on the size of the gangway or ramp.

1-B4. Dockside Roller Attachment – These roller assemblies are attached to the underside of the gangway or ramp and land on the floating dock to allow the dock to rise and fall with fluctuating water levels. The roller assembly is composed of two tabs that are composed of 2’’ x .375’’ flat bar that are welded to the underside of the gangway or ramp. Also, there is a 5/8’’ stainless steel round rod that is used as the axel going through the roller and the flat bar tabs. The roller is a 12’’ long by 2-3/8’’diameter polyurethane round tube manufactured by Stoltz. The number of roller assemblies attached to the gangway or ramp depends on its width.

1-B5. Transition Plate – Transition assemblies are composed of two parts: a mounting plate and a transition plate. The mounting plate is welded to the end of the gangway or ramp and is composed of either 3’’ x .5’’ flat bar or 4’’ x .5’’ flat bar depending on the size of the gangway or ramp, and it has a 1’’ x 1’’x .25’’ architectural angle that is welded to the face to create a lip for the transition plate to rest. The transition plate is composed of a sheet of 1/4’’ diamond plate (dimensions are custom to the customer’s needs), with a piece of 1’’ x 1’’ x .25’’ architectural angle that is welded to the bottom of the diamond plate, therefore the angle can sit inside the angle of the mounting plate.

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