Providing Gas line in newly built Chemistry lab on top of CSIF central block (Second floor) (Re Tender)

OD252475/2025-2026:Providing and fixing 3/8 copper tube 18 gauge (Use high-quality red copper, durable, resist temperature fluctuations and providing protection against corrosion and environmental factors) complete with copper fittings (cost of fittings to be paid separately)including leak test with nitrogen as per the direction of Officers in Charge.

OD252474/2025-2026:Supplying and fixing 3/8 copper T connector (18 gauge)

OD252473/2025-2026:Supplying and fixing 3/8 copper elbow connector (18 gauge)

OD252533/2025-2026:supplying and fixing Lab Bunsen Burner (Optimum Working Pressure : 0/035 kg/cm2 ? 0/5 psig., Gas Consumption Per Hour: 0/06 kg ? 0/13 Lbs. Rated Heat Output: 1250 Kcal/hr.,4950 btu/hr)

OD252478/2025-2026:Supplying and fixing 3/8 brass T connector

OD252477/2025-2026:Supplying and fixing 8 mm Three Layer Hose (maximum working pressure (WP) - 1.0 MPa)

OD252471/2025-2026:Supplying and fixing butterfly handle valve

OD252472/2025-2026:Supplying and fixing 8 mm hose nose (brass)

10.25.2:Item Shifted to Sub head 14 as item 14.73 Item Shifted to head 14 as item 14.74 Steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

12.50:Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+0.05%), total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling/self tapping screws of size (5.5x55mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.