e-Procurement Notice No. 25 /OCCL/2022-23 (on-line)

Amount

Part fabrication involving fixing of stiffners, shear connectors, gusset plates to 36 Nos. of already fabricated I section steel girders each weighing 7.81 MT including unloading from corpotation trailor, handling during fabrication & loading the same to corporation trailor after part fabrication as per drawings and direction of Engineer- in-charge. Welding Involvement : 6mm fillet 6720 Rmt. & 10 mm fillet 2840 Rmt. Drill Hole involvement : 13.5 mm Dia. hole 4704 Nos & 16 mm Dia hole 3600 Nos.

Sand blasting, cleaning & painting of 36 Nos.steel girders,48 Nos. cross girders and diaphragm plates. The averege surface roughness after sand blasting should not exceed 40 Microns. Sandblasting process shoud be done conforming to IS:1477(Part-1):1971. After blast cleaning, the surface should be cleaned from loose dust and debris by air blast with help of blower. Over the prepared surfaces,two coats of Micacious Iron Oxide primer should be applied to give a total dry film thickness of 70 ± 5 microns. Over MIO primer, 02(Two) coats of enamel paints applied at an interval of 24 hours. Each coat should give a minimum dry film thickness of 150 ±5 microns. The total dry film thickness of all coats including primer coat should not be less than 350 ±5 microns as per IS:14177:1994 as per direction of Engineer-in-charge

Erection of 36 Nos. steel girders,48 Nos. cross girders, diaphragm plates including form work for deck slab casting in 12 Nos bays as per drawings and direction of Engineer- in- charge.

Dismantling of form work and 12mm thick ply after casting of deck slab as per drawings and direction of Engineer in charge..

ANANTA CONSTRUCTIONS