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GENERAL

Our structural calculations are prepared with STAAD PRO v8i, a state-of-the-art finite element computer program, fully recognized an accepted by all Counties in the USA and many building authorities world-wide. The structural reports that we submit are based on the results of the computer calculation and include the analyses for maximum allowable deflections, displacements, forces and stresses in accordance with ASCE, ACI, AASHTO, AITC or any other USA code. Our reports are very detailed and are normally approved by the building authorities without a hick.

The calculations for our wooden house structures may be extended with a calculation for the foundation.

The costs for the preparation of a structural calculation is not included in the price for the house, since any client may engage a local engineer. We would be happy to submit a quotation for the structural design.

STRUCTURAL CALCULATIONS FOR THE USA

The Counties in the USA now require that not only detailed drawings shall be submitted but that also a structural calculation shall accomplish the set of documents as to apply for a building license of a dwelling of any size which has been prefabricated outside the USA. While some Counties on the main land may be lenient as to the requirement of such structural calculation, all Hawaiian Counties strictly adhere to this regulation. Our company is able to produce the calculation in compliance with the latest USA codes (IBC 2018) including the amendments which may differ from County to County. Our wood connections will all be analyzed and calculated applying the NDS 2015 (National Design Specification for wood construction).

For customers wanting to build their house in Hawaii, many may require the services of registered architect and structural engineer. These professionals can assist owners in meeting the requirements of the city or county building department having jurisdiction over the project site. Their services may include review of our drawings, structural calculation reviews, foundation design reviews, lateral load resistant design assessment and preparation of plans for building permit approval. In such cases we work together with David Rockwood, Architect and Associate Professor, University of Hawaii at Manoa, and Professional Engineer and Professor Ian Robertson, University of Hawaii at Manoa. We would be happy to offer a referral to customers seeking such services. Both persons will also advise us for any other area in the USA (mainland and other islands).
 

STRUCTURAL CACLULATIONS FOR AUSTRALIA

Structures erected in Australia require a structural certificate. Regardless whether it is designed by an architect or home owner a structural certificate must be obtained from a registered structural engineer. This forms part of the Building Permit application. Our company's professional structural engineering is deemed to comply with the Australian building regulations.
We recommend however prior to purchase one of our units to consult building certifiers in your local area to address specific requirements of the proposed building site and local building regulations.
Our Australian representative is a qualified building professional from Darwin and happy to provide initial free advice in regards to the building permit process. We would be happy to bring you in contact with this person.  

STRUCTURAL CALCULATIONS FOR THE CARIBBEAN & PACIFIC

A new and upcoming trend is that also the Caribbean and Pacific islands will require a structural calculation for a wooden prefab house. This is mainly based on the effect of global warming, whereas hurricanes and typhoons will occur more frequently in the coming decennium and will strike with much higher wind forces.

HOW DO I KNOW IF A STRUCTURAL CALCULATION IS REQUIRED FOR A BUILDING LICENCE

We strongly advise you to contact your local Building Authority as to find out whether an imported wooden prefab house shall comply with the local building codes and requirements and/or comply with special import regulations. If such is indeed the case you may need to ask the following questions:

1. Would it be acceptable if the wooden prefab house complies with the IBC 2009 (USA International Building Code 2018). If the answer is affirmative we will be able to supply, however, if the answer is negative whereas the house shall comply with the local building codes we may not be able to supply unless you will engage a local engineer to cooperate with us.

2. Are there restrictions to the use of particular hardwoods originated from Indonesia. If the answer is yes you need to find out which wood species are prohibited.

3. Shall the wood be FSC Certified. If the answer is yes, you will not be able to import any wooden house from Indonesia, since not one supplier in Indonesia has an FSC Certificate in place with a chain of custody to the first supplier; the felling concession.

 

Example of part of a STAAD PRO v8i computer analysis

struct1  struct2 

You may view a couple of pages of one of our structural calculations in real time. Clikc View Calculation Example

Reviews from Bali Prefab World

"Of so many websites I had visited, yours is one of the best designed and focused. I am truly surprised at the amount of information regarding your company's expertise and experience that you willingly publicized online.

It's little wonder that copy cats are lining up, salivating to emulate your achievements. However they will never be able to muster the expertise in both structural and architecture knowledge that is endowed in the educational background.
Few also will be able to emulate your:
o  business integrity (which is extremely rare nowadays)
o  passion to experiment on what works best and continually incorporating them into your design and end products and
o  using the highest quality raw materials and their treatments thereof to ensure a defect free building that will withstand the     test of time.
Little wonder that your company is the foremost prefabricated wooden house company in Indonesia.
Keep up the great work and may I wish you the very best for years to come
Leong Yue Peng, Malaysia."

Review from: Mr. Leong Yue Peng, Malaysia
Project: Visiting web site 
Date: 16-07-2016
Rating: 5 out of 5.

Read more testimonials from Bali Prefab World: click here
Dear Visitor, In order to show proof and evidence that these testimonials are genuine you may send us an e-mail with a request to provide the e-mail address of the publisher of the testimonial. We will forthwith send you the information so that you can contact the person.
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