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ADVANCED MANUFACTURING TECHNOLOGY : |
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ASBS produces its components at the finest facilities of their kind in the world such as Automatic H-beam assembling machine, Automatic submerged arc welding machine, Automatic H-beam straightening machine, Swing beam shearing machine and Swing beam bending machine of biggest capacity of its kind in the country and many more. It has indeed one of the world most advanced state-of-the-art manufacturing equipment, ensuring unmatched quality, accuracy and precision. |
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GENERAL DESIGN |
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All structural steel sections and welded plate members shall be designed in accordance with the latest edition of the AISC," Specifications for Design, Fabrication and Erection of Structural steel for Buildings".
All light gauge cold formed structural members and exterior covering shall be designed in accordance with the latest addition of AISC." Specification for the Design of Cold-Formed Steel Structural Members." |
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DESIGN IMPOSED LOAD AND APPLICABLE CODE : |
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The following criteria for live loads and wind loads shall be followed in the design of standard building components,
Imposed dead load 0.57 KN/m², Live load 0.57 KN/m², Wind load 200 Km/h, Earthquake zone Apply local area code.
The building shall be designed to the Load Combination specified in the applicable building code or the MBMA "Low rise building systems manual," 1996 edition
Roof live loads shall be applied to the horizontal roof projection. Wind loads shall be assumed to act horizontally and shall be applied as pressure and suction in accordance with Section 1604.6 of the Standard Building Code or the MBMA “Low Rise Building Systems Manual" 1996 edition. |
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STRUCTURAL FRAMING : |
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General -All framing members shall be shop fabricated for field bolted assembly unless otherwise noted on erection drawings.
All building parts shall carry an identifying piece mark for easy field identification.
All welding shall be done in accordance with the American welding Society “Structural welding code-steel" and Canadian welding Bureau Specifications.
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PRIMARY MEMBER |
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rimary framing shall include tapered beam frames, tapered rigid frames, modular beam and columns, lean-to rafters and columns, canopy beams, intermediate columns, bearing end frames and end wall columns. Steel used in the fabrication of built-up primary structural members shall have a minimum yield of 50 ksi (345Mpa) . Hot rolled primary structural members shall have a minimum yield of 50ksi(345N/mm²) . |
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Cold rolled structural members shall have a minimum yield of 55 ksi(380Mpa) . Primary framing shall be shop fabricated and include all holes required for attachment of secondary members and bracing. Flanges and webs of built-up welded members shall be joined by a continuous automatic submerged arc-welding process. End wall columns and rafters shall be built-up "I" sections, structural mill shapes or cold rolled members. |
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SECONDARY MEMBER |
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Secondary structural framing shall include the purlins, girts ,eave struts ,rake angles ,clips and other secondary structural parts. |
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Steel used in the fabrication of cold formed structural members shall be 1.4, 1.6, 1.8 mm thickness with a minimum yield of 55 ksi (380 N/mm²). Purlins , girts and eave struts shall be cold formed "C" or "Z" sections with flanges and stiffened edges . Wind and seismic bracing shall be designed to resist loads by diagonal rod, angle or cable bracing, diaphragm action of the wall panels and girts structural bents, or a combination of those methods. |
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STRUCTURAL PAINTING : |
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All primary framing shall be given one shop coat of red oxide primer. Secondary framing members are coated with a full mil of baked on red oxide primer, Zinc coated secondary members shall be supplied with additional cost. |
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CONNECTIONS : |
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All field connections shall be bolted. All primary bolted connections shall be furnished with high strength bolts conforming to A.S.T.M A-325. All secondary bolted connections shall be furnished with machine bolts conforming to A.S.T.M A-307. |
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Column |
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Rafter |
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C-Purlin |
Z-Purlin |
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STANDARED BUILDING ITEMS : |
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END TRIM |
GABLE TRIM |
RIDGE CAP |
CORNER CAP |
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BASE PLATE |
ANCHOR BOLTS |
SHEETING FASTENERS |
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WIND BRACING |
BOLT |
NUT |
BASE PLATE |
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ADDITIONAL BUILDING ITEMS : |
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BASE PLATE |
ANCHOR BOLTS |
SHEETING FASTENERS |
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EAVE EXTENTION |
GABLE EXTENSION |
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VERTICAL PROJECTION FASCIA. |
PARAPET FASCIA. |
DOWN TYPE FASCIAS. |
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MEZZANINE FLOOR. |
PLAN OF A MEZZANINE FLOOR. |
CROSS SECTIONAL VIEW OF A MEZZANINE FRAME. |
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MONO RAIL CRANE SYSTEM. |
OVER HEAD CRANE SYSTEM. |
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PARTIAL ROOF MONITOR. |
END VIEW OF A ROOF MONITOR. |
SKYLIGHT. |
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LOUVERS. |
ACCENT WINDOW. |
WINDOW.. |
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CONTINUOUS OR SECTIONAL GRAVITY RIDGE VENTILATORS |
FORCE VENTILATION.. |
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FIBER GLASS INSULATION. |
TARPFOIL-RADIENT BARIER TYPE INSULATION (A NEW GENERATION INSULATION). |
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ABOUT TARPFOIL-RADIENT BARIER INSULATION : |
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There are three basic models of heat transfer: conduction, convection and radiation. The sun heats up the tiles, brick, and board of a building. This occurrence radiates heat into the building. These invisible infrared radiant heat rays can penetrate roofs, ceilings, wall, doors, floors, and other materials. Nearly 87 &% of the total building heat is transferred through this radiation and is then balanced by conduction and convection. In this way, radiation is the most powerful cause of heat gain and loss in any building.
Conventional insulation products such as fiberglass, mineral wool, foam board, cellulose, etc. are effective against conduction and conduction and convection. However, they have no effect on “radiant” heat transfer. They work by tapping small air pockets and reduce heat transfer by conduction and convection. The trapped air heats up and radiates this heat later into the building, sometimes for hours after sunset.
Aluminum foil blocks 95 % of heat radiation, which is an ideal energy conversion material. An easy, effective and low cost solution of preventing the passage of radiant energy or solar heat into building is the use of foil radiant barrier to reflect heat back to its source.
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| Round Gravity Ventilator |
Natural Turbine Round Ventilator |
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BUILDING PANELS : |
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ZINCALUME AUTO RIB-6 PANEL (COLORBOND, COLOR STRONG) :
The aluminum –Zinc alloy for 55% Al-Zn alloy –coated steel coils consists of 55% aluminum, 43.4% zinc and 1.6% silicon, solidified at 600 degree Celsius high temperature. The whole structure is a quaternary Al-Fe-Si-Zn compound, which becomes a protraction layer on the steel sheet to prevent penetration of corrosive factors effectively. All painted steel panels shall receive average regular polyester coating mass in triple-spot test AZ150-AZ120. Panel material shall conform to yield strength of 50 ksi (345 N/mm²) or 80 ksi (550 Mpa). |
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CHARACTERISTICS :
Many colors are available to match the environment and attach value to the appearance. Superior resistance against environment: Heat resistance, corrosion resistance, humidity resistance, weather proof, etc. Formability, impact resistance, and acid/alkali resistance, superior workability and chemical resistance are the major reasons for the popularity of preprinted 55% Al-Zn alloy –coated and galvanized steel sheets. |
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PRE-TREATMENT :
The pre-treatment section prevents the surface of the steel sheet providing the surface with enhanced paint adhesion characteristics. The painted surface’s resistance to damage from bending, impact, and corrosion is also improving. |
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STANDARD PANEL PROFILE : |
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CONSTRUCTION OF AUTO RIB-6 PANEL : serves as an attractive and cost efficient architectural wall and roof panel. It covers 915 mm. It is composed of six major ribs 152 mm on center and 33 mm high consists of other two minor ribs of 10 mm high. The higher rib protects extra rain water to splash out while lapping that is needed heavy rainfall area like Bangladesh for longer spans on industrial jobs and the two other shadow rib provides a unique architectural appearance and extra strength while using on roof and keep in hide of screw head while using on side wall. |
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| ASBS : |
Suite # 4, T.C.B Bhaben,
1-2 Kawran Bazar C/A,
Dhaka - 1215, Bangladesh . |
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