Contractors' Duty

   At the third class, we discuss about bidding, bond and insurance.   The contractor’s required insurance coverage are included contractual liability insurance, worker’s compensation insurance, liability insurance, personal injury insurance and automobile & property damage insurance. The contractors are usually required to obtain products and operations coverage after work completed. All amounts are specified in the supplementary conditions and must be purchased before starting construction work. Liens give the worker, contractor or material supplier the right to force the sale of an owner’s property in order to satisfy for payment. Without clear title, an owner may be prevented from transferring the property through sale.

Glass wall shop drawing

  At the presentation time, I researched the process of shop drawings. Generally, shop drawing is prepared by contractors, subcontractors, material supplier or fabrication companies with graphically indicating the fabrication and installation of particular product. (AIA General Condition A201). Shop drawings are typically required for pre-fabricated components. Contractors need to verify actual materials and measure dimensions at field. The architect reviews contractor's shop drawing to match construction documents.