greenwood timber framing 425 881 3331

8/3/2019 Greenwood Timber Framing 425 881 3331

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Greenwood Timber Framing7353 148th Ave NE

Redmond, WA 98052(425) 881-3331

[email protected]

On the Web at www.greenwoodtf.com

Index

Part I: Stages of Design

1. Stages of Design2. Design Paths

3. Wood Choices

4. About Trusses5 & 6. Timber frame:Components/terms/definitions

Part II: What Determines Cost

7. What Determines Cost8. Timber Style9. Timber & SIPs

Part III: About Hybrids

10. Hybrids11. Crafting

12. Equipment13. Timber & SIPs

Part IV: Greenwood & Riverbend

Difference14. The Greenwood difference

15. What sets us apart16. We help achieve your dream
mailto:[email protected]://www.greenwoodtf.com/http://www.greenwoodtf.com/http://www.greenwoodtf.com/mailto:[email protected]


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Stages of design

The design steps with checksto confirm budgets along the way...

26 weeks from design to delivery

16 weeks fromproduction

agreement todelivery

40 weeks

to completeon site

construction

HCM is the Home Cost Model

*Guide Spec for Architectural andEngineering Criteria

(Site, Structural, Architectural, Mechanical,Electrical, Plumbing)

Owner Approvals/Sign-Offs

The HCM, or Home-Cost Model, which Greenwood utilizes, offers the ability to budget youhouse at the conceptual design stage. It also helps us to manage the design, giving ou

design department the guidelines they need to move forward. The HCM is a line by linidentification of the building sub systems, a brief definition of them, and an estimated cost tinstall. It also generates an Energy Model that calculates the annual energy demands anpredicts costs of various fuel sources, including electricity, oil, natural gas, and propane.

We know how to build your dream home

P P P POwner

Sketch - up

Home -Cost Model

HCMDesign

DevelopmentSchematics

CDs(blueprints) Bids

HCMUpdated

DDs

Construction

*


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Design Paths1. Custom design2. Modify an existing design3. Use an existing design

Design paths

Designing your home... Where do

you start? Do you have a site?Do you need to have a designer oran architect? There are a numberof questions you have to answeras you begin to plan your home.Greenwood can help you withboth the questions and theanswers. As you begin to godown the home planning path,

there are a number of options thatyou have. You can start fromscratch, you can modify anexisting Riverbend design, or youcan choose a Riverbend design asit is with no changes.

Custom design

Starts from your input

Greenwood TF assists you with developing your dream home desig

You may find that modifyinan existing Riverbend desig

is the best choice. As you casee here, the plan on the righwas adjusted from the plan othe left to create what theshomeowners wanted, witless effort than starting fromscratch.

Functional space includes the roomswe live in. At the beginning, as youre

thinking about how you want to live inthose spaces, sketching up an idea is aplace to start.



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TimberTimber species to choose from:

Douglas Fir, including FSIF

Southern Yellow PineRed and White Oak

Eastern White PineRecycled Fir & Yellow Pine

CypressWestern Red Cedar

Port Orford CedarSitka Spruce

White SpruceTeak

Hemlock

Hickory

Wood is the prince of building materials. Its a readily available, renewabresource. It is easily worked, stronger than steel and with care will outlast mosmaterials. It is naturally resistant to most chemicals. It is familiar to us; its usein everything from furniture to timber frames. We think of it as strong and warmIt is undeniably beautiful, easily finished, easy to care for, and flexible. Timber

have been known to perform well in earthquakes and fires. No other singmaterial can do so many things and be acceptable to almost all conditions all thtime.

There are hundreds of timber species; many are much more practical thaothers. Many have been used and are now recycled. The most common specieare listed here.

Timber frames are most frequently constructed from red and white oakDouglas fir, or pine. Previously used timbers are often referred to as salvagedreclaimed or recycled and there is a growing industry that specializes in salvagin

timbers from defunct industrial buildings or fallen logs in the forest.Timber species for frames are selected based on a number of factors

including color, appearance, relative shrinkage, cost, decay resistanceavailability, and the practical maximum length. Other considerations would bthe ease of working with, the relative weight, strength, and personal preference



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About Trusses

These are examples of common timber trusses. Trusses define the shape of throof and vaulted ceiling. When a truss is combined with the post and beams whicsupport it, these parts are called a profile bent, which defines the interior space and thshape of the house. Most houses have 3 to 4 profile bents, which are joined together bwood members such as the top plate (beam located at the top of posts) and mid g

(beams located mid way up the posts). The spacing between the profile bents is calledbay.

The secondary rafters or purlins which support the roof between the trusses affethe design of the timber frame. The position of these secondary members is determineby the next layer of materials which are the panels. The panel thickness is governed bthe snow loads, wind, roofing materials along with other factors.

Standard kingor web truss

Queen posttruss

Hammer

beam truss

Scissor trus

Modified kingtruss

Standard collartie truss

Hammer beam

eye brow truss

King postscissor truss

Arched web truss Attic truss Arched hammerbeam truss

Decorativescissor

A variety of different truss, post, and beam structures to choose from



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Timber Framing Definitions

Bay: Bays are the areas between bents. A four-bent frame has three bays; a threebent frame has two bays. The size of a bay is limited by the floor or roof load that a frammust bear, and by the size and strength of the timbers in the frame. In frames of oak Douglas fir, bays are typically a maximum of 16 feet by 16 feet. In pine frames, they a

usually smaller. It is a function of area; a bay can usually get longer as long as it alsgets narrower. In commercial buildings with large floor loads, or mountaintop housewith large snow loads, bay sizes must go down or timber sizes must go up.

Beam - Girt: Beams - also called girts - are framing members that run horizontally. they are part of a bent, they are called bent girts; if they connect two different bentthey are called connecting girts.

P

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P

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P

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BAY

BAY

BAY

BENT

SUMMERBEAM

KNEE

BRACE

KNEE

BRACE

GIRT

GIRT

CONNECTINGGIRT

BRACE

CONNECTINGPLATE

GIRTSECOND

FLOOR

FIRST

FLOOR

TIETIE

TIETIE

BENTGIRT

PURLIN

PRINCIPALRAFTER

RIDGERIDGE PLATE

RIDGE

PURLINPRINCIPALRAFTER

COMMONRAFTER

CONNECTINGPLATE PLATE

JOIST



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Timber Framing Definitions

Bent: Timber framers often think, talk, design and build in bents. A bent consists of thposts, beams and braces that are within the same plane in a frame. A profile bent forma cross-sectional plane of the structure, and generally defines its shape. Most househave three or four profile bents. Wall bents, or ridge bents, run longitudinally; they aperpendicular to profile bents. Timber frames do not have to be designed or built asseries of bents, but it is usually more efficient and cost effective to do so.

Common Rafter: A rafter having no function other than to bear roofing.

Girt: A timber or plate connecting the corner posts of an exterior wooden frame, asbraced frame, at a floor above the ground floor.

Knee Brace: A diagonal member for bracing the angle between two joined memberas a stud or column and a joist or rafter, being joined to each partway along its length.

Plate: Plates are girts that connect the wall posts and support the lower end of rafters.

Post: Posts are the vertical member. King posts and queen posts are vertical membe

that are part of a truss.

Principal rafter: A diagonal member of a roof principal, usually forming part of a trusand supporting the purlins on which the common rafters rest.

Purlin: A longitudinal member in a roof frame, usually for supporting common rafteor the like between the plate and the ridge.

Rafter: Rafters support the roof. They run perpendicular to the roofs ridge, antypically span from a plate to a ridge beam, or from the top of one post to the top of a

adjacent higher post. In a long roof plane, they might span from a wall plate to a plamidway up the roof, to the ridge beam at the peak.

Summer beam: One of the major horizontal timbers that connect the vertical posts.

Tie: Any of various structural members, as beams or rods, for keeping two objects, arafters or the haunches of an arch, from spreading or separating.


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What determines cost?

! Shape of the design

! Exterior materials and construction! Interior materials and millwork

! Timber count and complexity! Panel area

! Building site

What determines cost? There are many factors that will affect the cost of youhome. The shape of the design, the materials, the timber frame design, thepanel area, and your building site. At Greenwood we work with you from thestart to determine what the costs for the entire project will be, not just thetimber frame and panel package. We want it all to be successful.

Simplicity saves.Complexity costs.

This is obviously a complex design: large, with multiple hips and valleys. Likely not aninexpensive home to build. When comparing the amount of surface to living area, a ranch

is inefficient, a cape is efficient. A two story home is more efficient than a single story you have the same foundation size, same roof.



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Timber Style

Style: artistic and complex

1,000 square feet: 150 timbers

Out of these three examples, this designhas one and a half times the timbers in thesame square footage, compared to the twodesigns below. Would the timber framecost be the same?

Style: traditional


The timber cost will be dependent upon thedesign and whether it is a full timber frameor a hybrid, especially if the frame involvescomplex joinery, curves or extra detailing.The timbers are what define the space; theydo the work and carry the loads.

In this frame the valleys and jack rafters,rather than the straight forward beams, willadd to the cost. Also note the full lengthposts.

Style: simple hybrid


And in this frame there are just a third of thenumber of timbers as in the previousframes, simple and true. It is still the samesquare footage, however, all theseexamples have a different number oftimbers, and therefore are priced differently.



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Hybrids

Many of the homes that Greenwood produces are hybrids. Hybrids are homethat have a reduced number of timbers and utilize structural insulating panels (oSIPS) in some areas of the home that might not be as practical for timbers. Wia hybrid, there are fewer timbers to assemble, but there is still the aesthetimpact that timbers bring. There could also be more design flexibility, promotinopen spaces as well as the creation of other types of spaces. There could be modesign and finishing opportunities. Certain finish products such as tile, slate ostone can be used without having to cut around structural timbers.

In this example you can see where the timbers are in proportion to the entirhouse. Greenwood offers hybrids because this innovative engineered systeallows you to use fewer timbers, capitalize on the structural abilities of InsulspaSIPS, enjoy increased design and finishing flexibility, and still have the warmthcharacter, and beauty of a timber frame.



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CraftsmanshipOld world technique & modern equipment

Timber pre-fitting at shop

All the frames are pre-fit in our shop toassure accuracy on site. This helps toreduce on site adjustments which

decreases risk with every phase. A riskfree project saves everyone time, money,and emotions. The pre-fitting step cansave countless hours on site in the raisingprocess... which, once again, saves youmoney.

Old WorldCraftsmanship...

The timber frames are cut in our shop, byeither one of our master craftsmen, or onthe CNC timber cutting machine. CNCstands for Computer Numerical Control.The more complicated compound joineryis cut by hand and the more repetitivepieces are machine cut. The joinery ispredetermined during design.



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Our timber framing productsare produced with the mostadvanced CNC timber cuttingmachines that provide theultimate joinery fabrication.

State of the art equipmentModern day manufacturing technology

In addition to hand craftingdetailed work, ComputerizedNumerical Control timber cuttingmachines (CNC) may be used forrepet i t ive product ion andcomplex design. Modern CNCproduction offers technicalprecision as well as time and costsavings.

Accuracy and precision withcomputer controlled equipment

Riverbend plant withstate-of-the-art equipment

Old world craftsmanship and modern manufacturing - WithGreenwood Timber Framing you get the best of both worlds!



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Timber & SIPs(Structural Insulating Panels)

SIPS may be used in some areas of thehome that might not be as practical fortimbers, thereby reducing the number of timbers. Greenwood Timber FraminRiverbend, and Insulspan - together create a unique, single source supplier.

To produce the panels, the EPS foam is cut to

exact thickness, ready for lamination to theOSB skins. Insulspan has an in-linelamination system that creates a high quality,consistent and predictable panel every twominutes. The CNC equipment cuts the 8 x 24 panels to shape, fashioning openings for thdoors and windows as well as the building shape. We also supply the lumber for the cornerrakes, door and window openings, skylight openings, and eaves. Lumber is pre-installewhere possible and practical, again saving time and money on site.

Insulspan manufacturesthe Structural InsulatingPanels (SIPs) that formthe enclosure system

Unique equipment cuts 8'x 24' panels to shape,cuts openings for doors

a n d w i n d o w s w i t hprecision accuracy



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The Greenwood TFand Riverbend difference


Timber frameNatural beautyTraditional joineryEvident strengthDramatic spacesIn-house design

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SIPsEnergy efficiencyStrength and rigidityHigher build qualityFaster build timeSuperior performance

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Why Greenwood TF? What is the Greenwood TF and Riverbend difference? Weare a single source supplier of the timber frame and the structural insulatedpanels (SIP). The timber frame provides the natural beauty of the wood frametraditional joinery, unrivaled strength, dramatic open spaces and with oudesign capability we can work with you starting at the beginning. InsulspanSIPs offers the energy efficiency, strength, quality, speed and performancethat Greenwood and Riverbend has come to be so well known for.



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What Sets Greenwood TFand Riverbend Apart?

So what sets Greenwood anRiverbend apart from the rest? Its ou

product and the customer service woffer. Its our longevity, historyexper ience, consistency, anknowledge - We pride ourselves othat. With our wealth of knowledgand experience, we can help guide yothrough the process of turning youdreams into a home.

How products and servicesare offered

Production methods

Enclosure system

Wood species offered

Size and capacity

Frame styles and designs(if you are not building acustom design)

A Greenwood TFRiverbend Hybrid

This is an example of a Riverbend hybrid timber frame

just following completion of the frame raising.

This is the finished house. Its the

Pleasant Meadow from the RiverbendPlan Book. It has been one of our more

popular plans since it fits the needs anddesires that many people want to have in

their home.

Greenwood TFinstalling thetimber frame


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How we help achieveyour dream


Greenwood TF will assist you with planning, budgeting and design - westart from one of the following: Existing design from the outstanding selection in our Plan Book

Modified existing design Custom design

Greenwood can assist you with all the phases of planning, budgeting, andesigning your home. Architecture, the art and profession of designing abuilding, employs the elements of style, form, light, scale, and pattern as well utility. Utility means usefulness and practicality. Practicality includes budget. a building design is not useful or affordable, it fails. Therefore, the principles design must be applied judiciously, with room for modification and compromise.

Greenwood Timber Frami

7353 148th Ave NE

Redmond, WA 98052(425) 881-3331

[email protected]

On the Web atwww.greenwoodtf.com
mailto:[email protected]://www.greenwoodtf.com/http://www.greenwoodtf.com/http://www.greenwoodtf.com/mailto:[email protected]

greenwood timber framing 425 881 3331

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