Inquiry (采购产品): Bailey Bridges Could you pleases let me know as soon as possible whether you can supply the following These specifications are for a fully engineered simple span Modular Panel Bridge of steel construction and shall be regarded as minimum standards for design and construction. The successful tender shall supply all of the bridge components specified, to the Ministry of Local Government. Span and Width The Clear Span length shall be 30.480 meters (100ft.) consisting of 10 modules. The Road Surface width shall be3.15 meters (10 ft) Engineering The structure must be able of carrying a live load of AASHTO HS25-44. Shop Drawings Shop drawings shall be unique drawings, prepared to illustrate work to be done. The manufacturer's standard drawings requiring only filling in a blank space shall not be acceptable. All relative design information such as bridge reactions, steel yield stresses, live load capabilities and general notes shall be clearly identified on drawings. 4.3 The supplier shall provide a full component list. 5.0 Materials The upper and lower chords of a panel shall be fabricated from hot rolled steel channels and diagonals shall. be rectangular hollow sections or channels. The material specifications shall be those listed in Paragraph 5.4 Technical Specifications. Truss panels shall be 3.05m (10 ft.) long from center of pinhole and 1.45m (4.75 ft.) tall from center of pin hole to center of pin hole. The overall width of a truss pane shall not exceed 1.66m (6.54 ins). Male forgings used for pin connections shall be solid and one piece construction. TENDER FOR THE SUPPLY OF TWO (2) MODULAR STEEL BRIDGES (BAILEY BRIDGES) GENERAL 5.1 Trusses (Panels) 5.2 Floorbeams These members are to be fabricated from wide flange sections or equivalent and shall utilize material that meets or exceeds those listed in Paragraph 5.4 Technical Specifications. Vertical X-bracing shall be incorporated between beams and shall prevent in every other bay. This bracing shall be at each of the floorbeams and shall prevent horizontal loads from being transferred from the f100rbeam into the truss members. 5.3 Decking 5.3.1 Orthotropic Steel Decks The deck system shall be comprised of orthotropic units. Each unit is to be 3.05m long (10ft) and have a steel deck plate welded to longitudinal stringers. Transversely in each deck panel there are to be four round hollow sections for providing lateral load distribution. Curbs shall be 152mm (6 ins.) tall and be bolted to the deck unit. 5.3.2 Epoxy Anti-Skid Surface Each deck unit is to be coated with an anti-skid material that is composed of epoxy an aggregate is to be an industrial grade NO.3 comprised of 98% silica with a moh hardness of 7. 5.4 Technical Specifications The materials shall meet or exceed the following: (a) Panels, Reinforcing Chords - AASHTO M223 Grade 65 Ultimate tensile strength 551/690 N/mms Yield 448 N/ mm2 Elongation 17% of 203mm Gauge Length (b) Deck Panels, Floorbeams - AASHTO M223 Grade 50 Ultimate tensile strength 483/620 N/ mm2 Yield 345 N/mm2 Elongation 18% of 203mm Gauge Length (c) All other parts - AASHTO M183 Grade 36 Ultimate tensile strength 434/517 N/mm2 Yield 248 N/mms Elongation 20% of 203 mm Gauge Length (d) Panel Connecting Pins - AASHTO A193 Grade B7 Ultimate tensile strength (minimum) 862 N/mm2 (e) Bolts - AASHTO M164 Finishing All major components shall be hot-dipped galvanized to ASTM A 123 specification or equivalent. All bolts, pins, etc. ,are to be electro zinc plated, galvanized, or sterilized: 7.0 Delivery 7.1 Delivery of the bridge components shall be arranged by the supplier and shall be delivered to a specified site in the area of Mt. Hope in the San Juan 1 Laventille Regional Corporation. 7.2 The supplier shall be responsible for unloading the bridge components from the truck at the time of delivery. The supplier will notify the Technical Officer 48 hours in advance of the expected time of arrival. 7.3 The supplier shall supply all essential hand tools required for the erection of the bridge. SUMMARY SHEET ITEM DESCRIPTION Qty TOTAL (TT$) 1 The Supply and Delivery of two (2) Modular Steel Bridge as 2 Per attached specification 2 The Supply and Delivery of Male Posts 8 3 The Supply and Delivery of Female Posts 8 4 The Supply and Delivery of Rocking Rollers 8 5 The Supply and Delivery of Fix Frontage Ends 8 6 The Supply and Delivery of Bearing Pads 8 7 The Supply and Delivery of Panel Pins 60 8 Launching Equipment 1 **** Hidden Message ***** Wallace Charles W.I. TTO Company: GOG Enterprises Ltd Title: Managing Director Phone: 1 868 461-7792 E-mail: landimages@gmail.com **** Hidden Message ***** landimages@gmail.com
