SECTION 9 METAL DOORS, DOOR FRAMES & WINDOWS 9-01. SCOPE: The work covered by this section of the speci- fications consists in furnishing all plant, labor, equipment, appliances and materials and in performing all operations in connection with the installation of metal doors and metal door frames, complete, in strict accordance with this section of the specificatior$ and the applicable drawings. 9-02. SHOP DRAWINGS: The Contractor or manufacturer shall prepare and submit complete shop drawings for all fabricated work in accordance with the "General Conditions" Section of these specifications and shall obtain the Engineer's approv- al thereof before proceeding with the work. 9-03. SAMPLES: Samples of all materials, except rolled plates and shapes, shall be submitted to the Engineer for approval when so required. 9-04, MATERIALS: Materials not specified in detail shall meet required grade and class of applicable Federal or A. 5S. T. M. 9-05. Specifications as amended to date. WORKMANSHIP: All work shall be fabricated by experienc- ed workmen in accordance with the best shop practice. All exposed edges of plates, stops, frames, etc., shall be cut true and square and with the exposed corners smooth and slight. ly rounded. All mitres shall be accurately cut, fitted close, flush and smooth. All joints shall be brazed or welded. All exposed joints, or welds, shall be ground or otherwise finish- ed flush and smooth. All rivets or screws shall be countersunk flush and smooth. Welds, not otherwise indicated, shall extend the entire length of the joint of the welded member. All work shall be erected to true line, operating hardware in perfect order. 9-06. level and plane with STEEL EXPLOSION DOORS: a. General: Where indicated on the Drawings, Contractor is to furnish and install steel explosion doors as called for on the drawings and according to these specifi- cations. b. Construction: Doors shall be made of steel all welded construction as manufactured by the “Jumbo Steel Pro- ducts Company", or equal. 3hall withstand test pressures 9-1