Engineer kirk grundahl recently wrote the following which appeared in the construction magazine network.
Long span roofing strategy.
The housing industry standard roofing profile this covers a larger area compared to its corrugated ancestor.
Because of the quality and design multi r span roofing profile was chosen for toyota show rooms.
Assuming this roof might be replaced three to four times an asphalt shingle roof will cost in today s dollars 33 000 to 44 000 over 100 years.
Four your four bedrooms get 300 planks of 2by3 and 2by4.
Long span roofs can create flexible column free internal spaces and can reduce substructure costs and construction times.
That is 120pcs of 2by3 and 180pcs of 2by4 for the main roofing.
Assuming that a 2 000 square foot house with a typical roof slopes has a roof square footage of about 2 200 square feet that roof averages about 11 000 for professional installation.
You can buy panels of corrugated metal roofing in standard spans or lengths or have them cut to a specific size.
Then get 120 pcs of 2by2 for your logging.
Developing a strategy for long span truss installation this sbc magazine article describes a successful 80 clear span truss installation project.
Glue laminated timber can be used as a long span material.
This is the most popular and inexpensive choice for your roof sectioning or fencing needs.
Sometimes called rib because it has rows of raised lines.
The roof operates on a system of steel tracks and is powered by a series of dc motors roof area is 31 525 sq metres weight is 11 000 tons span at widest point 209 metres height is 85m from field level to highest point roofing material is pvc on insulated acoustic steel deck.
It can be prefabricated using metal connectors into trusses that span up to 45 metres 150 feet.
They are commonly found in a wide range of building types such as factories warehouses agricultural buildings hangars large shops public halls gymnasiums and arenas.
Long span roof is a roll formed roof made from hot dip galvanized cold rolled mild steel.
A truss collapse can be devastating not only to the immediate health of those on the job site but to the installers confidence going forward.
Tell the to cut it for you in 2by3 2by4 and 2by2.
Commonly called long span because it has the longest widest coverage.
Training a crew in proper bracing techniques in a way that gets them past the negative experience requires more than a little thinking outside the box.
Long span truss installation strategy.
Puyat steel corporation s multi r span roofing profile received the architects choice award in year 2014 because of its evenness of aesthetics and strength.
After the trusses collapsed on the first two tries the installers called in professional engineering supervision on the third try and found success by looking at the installation process in a new way.
