outrigger construction detail

It was only 1, years ago that New Zealand was discovered by Kupe, according to Maori legend. While no one today knows the exact location of Hawaiki, it is believed to be somewhere in Polynesia.

What we do know is the detailed craftsmanship that went into building Polynesian outrigger canoes. Many replicas of these boats are on display at the Auckland Maritime Museum. Taking a closer looker at the construction details of the Polynesian outrigger canoes, the challenge these brave men faced seems multiplied.

We visit the Auckland Maritime Museum often but about is love ep 7 eng sub kissasian was the first time I did a photo study of the migration canoes. If you enjoyed taking a closer look at these Polynesian outrigger canoes, please share this pin on Pinterest:.

Capturing the essence of travel through photography, Rhonda Albom is the primary author and photographer at Albom Adventures. She is an American expat based in New Zealand. She travels the world with her husband. The word Polynesia itself evokes images of exotic beaches and islands for me. The history of New Zealand and how it was discovered is fascinating. The Maritime museum sounds really interesting, a window to the past.

The canoes look ingenious and a silent tribute to the skills of the Maoris of yore. I agree, when I hear the word I think of exotic destinations, palm trees, and white sand beaches. The maritime museum is the perfect place to learn about the history and how the cultures intermix. Great pictures of the boat too…gorgeous stuff! I find it fascinating as well. I really enjoyed studying just the details of the boats this visit. What an interesting cultural post.

I like that they pass down their skills from generation to generation. Thank you for more knowledge. Very interesting post. The craftsmanship of these outriggers are funny nintendo nicknames, the pictures definitely brought me there at the museum to appreciate this.

How beautiful is that outrigger? I studied anthropology in college, so I know that I would love this museum. The museum moves through the ancient history really quickly. The rest focuses mostly on the last years. This is quite incredible, I imagine the Polynesian outrigger canoes would have been quite cutting edge technology for their day. I was really drawn in by the story of Kon Tiki, where Thor Heyerdahl lead an expedition in across the Pacific Ocean from South America by traditional Polynesian raft.

The boats are pretty impressive for their age, and the balance must be quite incredible for them to sail so far. Very interesting read, but also my compliments for your excellent photography skills. Really makes the article stand out. This was a very interesting blog Rhonda. The binding was different and amazing. I really liked the canoe. How were these Polynesian outrigger made?

Did the Polynesian people have materials to create canoe and outriggers? I would like to go on these Polynesian outriggers and see what it likes in the water. I prefer a bit of luxury.A tropical paradise is yours to discover here at The Outrigger Beach Resort! Located on picturesque Fort Myers Beach, our family-friendly beachfront hotel greets you with outstanding service. Enjoy comfort, value, and good old-fashioned fun throughout the resort, from the guest rooms and efficiencies to the two on-site restaurants and beachside Tiki Bar, which features live music daily.

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Enjoy fewer crowds, less traffic, and better summer rates!Find a tradesperson Your postcode:. Note : Before selecting any structural components for your dwelling it is advised that you consult with a Structural Engineer and a builder. In addition you may wish to review the various Australian Standards relevant to the residential construction industry.

Beautifully designed house with flat roof. Roofs shapes vary considerably in both cost and construction. A continuous Gable Truss is usually the most economical. A Butterfly Roof is a more expensive option due to the need for box gutter detailing, engineering requirements and the difficulty of installation.

The most common roof types are:. Butterfly roof design with centre gutter. Heavily boxed gabled roof used to create verandah. Hip and valley roof. Full conventional roofing is rarely undertaken today due to the advent of roof trusses. However small amounts of conventional roofing are used when additions occur to an existing roof or when a truss can not be used in an area of the roof where something non-standard occurs. Conventional roofing is labour intensive and far more expensive than truss roofing.

A truss roof frame is a series 2D prefabricated frames, most often but not always triangular shape, that are arranged in parallel and tied and braced together to form a rigid three dimensional structural unit. It is the most common and least expensive method of roof construction for houses with a simple pitched roof with a flat ceiling and is a great place to run wires for lights, and service pipes to bathrooms and kitchen areashowever it is not possible to have a loft with roof truss construction.

Outriggers in Tall Buildings

For a loft a conventional roof could be used. Modern skillion roof Photo by Bill Bradley. This is normally a single sloping roof surface, not attached to another roof surface.

The term skillion can also be used for a smaller addition to an existing roof, where keeping to the same slope roof pitch puts the skillion roof lower than the ceiling height of the main structure.

In this case even though the main roof has a flat ceiling, the skillion part will have a sloping ceiling line to maximise the ceiling height. Vaulted ceilings are not typically constructed using the same pitch as the roof and are often framed using scissor trusses. Cathedral ceilings are often used with vaulted roofs. Note that insulation becomes an issue for flat and low pitched roofs where there is no air flow.

Versoleil® SunShade - Outrigger System - for Storefront

See Insulation Section. There, insulation should be placed both on top of the ceiling sheets and on top of the sarking and underneath the roof sheeting. Some rigid ceiling sheets can double as cladding and acoustic insulators. See Ceiling section. Flashing is a continuous piece of malleable sheet metal or other impervious material that is installed to direct water into safe surface areas and prevents it from entering the structure the building.

Flashing may be exposed or concealed. Exposed flashing is usually of a sheet metal, such as aluminium, copper, painted galvanized steel, stainless steel, zinc alloy, lead or lead-coated copper. For further information read our roof flashing article.Discussion of window washing support and equipment is covered in two separate articles.

This article covers the primary suspension support systems including davits, outrigger beams, and direct anchorage to safety anchors. The second article covers different kinds of window washing suspension platforms and seats.

Local jurisdictions dictate the safety regulations surrounding window washing methods - always confirm the requirements of your local authorities. Generally, windows in buildings 3 stories tall or lower can be washed using ground-based lifts or telescoping window washing poles.

However, for buildings over 3 stories in height, it might make more sense to wash the windows from a roof-based suspension system where the window washing crew is lowered from the roof. This article covers the basic suspension support systems for use with flat roofs; however, there are more complex systems based on these that can provide support from sloped roofs or other complex situations make the solutions below problematic.

For these types of complex window washing problems, we suggest working directly with a window washing equipment manufacturer or consultant. The most basic equipment for window washing and safety anchoring is the safety anchor or tieback.

In this case, permanent anchors are secured to the building structure.

Outrigger framing plan and details, R. S. Tucker House, Raleigh, North Carolina

The graphic below shows both roof mounted anchors and wall mounted anchors. The window washers then tie their safety lines to the permanent anchors and pass them over the parapet wall. A structural engineer must design the anchoring system and the parapet to carry the loads created by the lines and the window washer. The following photo shows a series of safety anchors on the roof of a building. These anchors are bolted through the concrete slab, but they can also be welded to steel beams below the slab prior to the concrete being placed.

In this photo, the roof insulation and roofing membrane have not been installed. To remove the load from the parapet wall, a transportable outrigger is used. The transportable outrigger is a beam with wheels that secures to a safety anchor. The beam is adjustable and extends over the top of the parapet and the primary suspension line secures to the beam.

In addition to securing the outrigger to the permanent safety anchors, metal plates are used to counterweight the outrigger. The image below shows the primary suspension line attached to the outrigger and the secondary fall arrest emergency line tied to a safety anchor. While this may be acceptable, using two outriggers is preferred to prevent any accidental load from damaging the parapet. The photo below shows a portable outrigger system on the roof of a building during construction.

In this image, the outrigger is secured with a series of metal plate counter-weights. Another system for suspension of window washing equipment is the davit system.

Davit bases are permanently attached to the building structure at a predetermined spacing. Davit arms customized for the building's specific conditions are secured to the davit base.

Lines are suspended from the davit arm. The davit arms are generally swiveling, which allows washers to set up all equipment on the rooftop and then swing out over the parapet wall. Fall arrest lines are also used with this system, but have been removed from the graphic below for clarity.

For buildings with high parapet walls, varying setbacks, or other complex forms, a roofcar system provides the greatest flexibility. The roofcar arm allows for a greater extension that other systems and can adjust without much setup time. The roofcar runs on rails or concrete pads and remains on the roof permanently. The single roofcar arm suspends both ends of the window washing staging.

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Window Washing Equipment - Suspension Support.If you have any questions regarding these details, please call the Lumberworx team for guidance. If you have any questions or would like to order a hard copy of one of our guides, please leave us a message. Your Name required. Email required. Phone required. Your Message. Office Hours am - pm Monday to Friday. Contact Us.

Floor Details. Roof Details. Floor Construction Details. Detail F2 Joining Rimboard. Detail F4 Squash blocks under concentrated loads. Detail F5 Web stiffeners under concentrated loads. Detail F6 No web stiffeners under concentrated loads. Detail F8 Joists bearing on intermediate wall. Detail F9 LIB connection to steel beam. Detail F10 Top mount connection to steel beam.

Detail F11 LIB bearer tie down. Detail F13 Typical joist hanger connections. Detail F14 Special joist hanger connections. Detail F17 Blocking for non loadbearing wall bracing support. Detail F18 Intertenancy fire wall. Detail F19 Outrigger cantilevered joist detail. Detail F21 Loadbearing cantilevers.

Detail F22 Fixing loadbearing cantilevers. Detail F23 Web stiffeners. Roof Construction Details. Detail R1 Fixing rafters with screws. Detail R2 Fixing rafters with tie-down strap.

Detail R8 LIB rafter overhand option. Detail R10 LIB rafter overhang option.Return to index New query. NOTE: In lieu of the use of sleeves, other means of scaffold support, such as soffit monorail systems, etc.

Go Back to Article 5 Table of Contents. Skip to Main Content. This information is provided free of charge by the Department of Industrial Relations from its web site at www.

These regulations are for the convenience of the user and no representation or warranty is made that the information is current or accurate. Such plans shall be available to the Division at the installation site.

outrigger construction detail

The minimum inside diameter of the sleeve shall be 6 inches to permit the passage of shackles, sockets, clamps and other rigging devices. The center-on-center spacing of sleeves shall be consistent with the length of the suspended scaffold to be utilized, but in no case shall this spacing exceed 24 feet for transportable scaffolds. Sleeves shall not be used as a rigging point unless securely anchored to the structure and be capable of supporting the rated load with a minimum safety factor of four.

Title 24, Part 2, Section b. Roof davit systems specifically shall comply with applicable provisions of Article 6 and the following:. A The davit's rated load, based upon a safety factor of 4.

B Manufacturer's name. C Precautionary warning message prohibiting use of the davit within 10 feet of high-voltage lines. Title 24, Part 2, Section c. All outrigger beams shall be designed to support the rated load imparted by the suspended scaffold or boatswain's chair with a safety factor of at least 4. Outrigger beams shall not extend more than 6 feet beyond the face of the building. Only steel or high strength alloy beams shall be used.

The fulcrum point of the beam shall rest on leg s or equivalent supports securely attached to the beam and so arranged as to prevent lateral overturning of the beam. Bearing pads shall be securely affixed to each support and shall be of sufficient area to safely distribute imposed loads to the roof structure.

The inboard ends of outrigger beams shall be securely anchored by means of tension members tie-down affixed to the structural frame of the roof in such a manner that applied forces are resisted within allowable limits affording a safety factor of at least 4.

All tie-down fittings at the inboard end of the beam shall be of a type that vibration effects shall not produce accidental disengagement. Safety hooks for beam tie-down purposes shall not be used.How-to Article You need JavaScript enabled to view it. I really liked the information that Bob English put together for this thread so I decided to permanently archive it in Modelgasboats.

outrigger construction detail

The printable version will also make it easy for readers to keep a hard copy of this great information. This is from a book I wrote to show and explain how a wood outrigger is built. This is to show you how you can build your own gas outrigger hydroplane race boat. You will need some wood working skills and some special tools to make the job easier. The tools that are a must to do a good job are: a belt sander with a 48 inch by 6 inch belt, a table saw, a band saw, a router, a drill press with some forstner bits and LOTS of clamps.

I use a table saw to rip a section 4 inch off the foam block. I now cut it in half so I have two 18 inch long pieces. In photo two I set my saw at a 35 degree angle to cut the back of the sponsons. I now take my templates and outline them onto the foam.

My first cut is the inside line. The side where the pins go in I set the table on the band saw at 1 degree for the cut on the bottom of the sponsons. You want 1 degree of dihedral on the sponson bottom so that the boat has less contact with the water when it is on plane at speed.

I next cut the outer top angle at 37 degrees, and the last cut is the lower outer angle at 25 degrees.

Raffles City Chongqing - Building a hybrid outriggers system - Arup

When you're done you have a piece of foam that looks like a sponson. The last step on the form is to lightly run all the angles across the belt sander to smooth it all out. You can see in photo four a perfect set of sponsons ready for birch sheeting. Onto photo five. Trace out both sponson pieces and cut them out on a band saw.

Use two clamps and clamp them together very tight. Go to the belt sander and sand them so they are exactly the same.


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