Technical Descriptions,Specifications & Standards
General ( Standard ) : AASTHO loading HS 20 - 44 equivalent
. Deck units are manufactured from Antiskid chequered plates and back sides are stiffened with tensile steel channels.
Structural component is formed of pin connected panels.
The structural component is shop welded equivalent to ASTM standard.
- Spare parts:
Additional 5% spare parts (bolts, nuts, panel pins, safety clips is included with each set.
Erection tool set box is included with each set ( each set comprising of 35 T capacity rock roller, hammer & shackle to use on 8T components, 19 inches hammering spanner, carriage wrench, 50 T capacity jack, 20 T capacity jack, 10 T capacity chain blocks, sliding handle, Ratchet handle.)
Launching nose set is available (optional).
Structure members and fastners
Hot rolled medium and high yield strength micro alloy steel is used for manufacture of panel, transom, racker, deck unit and other components is confined to AASHTO M270 (Gd65, Gd50) equivalent.
Panel pins is manufactured from special quality of chrome molybdenum steel duty heat treated to give minimum yield strength of 78.8 kg/sq.mm and izod value of 5.5 kg M (min) having hardness range N 280-340 BHN (max) or equivalent to ASTM A193 Gd B7 and AASTHO M 164 M - A 325 respectively.
All major components are from sand blasted with painted according to equivalent to IS/ASTM
All bolts and pins is electro plated.
Quality assurance: ISO 9001 approved.