Northern Railway Tender

Preparation of Apparatus Case Large involving wiring of relays. This involves following: Preparation & fixing of Bakelite hylum sheet 910 x 800 x 6mm and teak wooden shelf 900mm x 450mm x 25mm duly fixed by angle iron piece of different size inside all the app. Cases. Hylum board shall be fixed on an angle iron frame of 25mm x 25mm x 3mm. Angle iron frame will be fixed in location boxes secured by nuts & bolts. Fixing of fuses, ARA terminal shelf type 'Q' series relays and other type relays on square bars fixing and jamming of cables with 2 inch thick salwood plank 3 provided at the bottom. This will include opening, pasting and jamming armour of each cable in the hole drilled separately for each cable through the salwood plank & all cable entry points on location boxes, location huts, JB's relay room/battery room to be closed with suitable masonry works covered with sand and plastering. Description for terminal drawing of circuits, inside app. Case. Painting from out side as well inside with red oxide and aluminum paint is covered separately. Size of lettering will be 100mm or as per instructions of Engineer at site. All materials including hard wood shelf, hylum board, salwood plank, angle iron square bar, wire and wiring material as per the IRS specn., non- deteriorating type HRC fuses, bases, nuts and bolts and other items shall be supplied by the contractor. Relays, ARA terminals only shall be supplied by the Railways. (Inspection: Site Engineer)

Supply and fixing of G.I Pipe with 76.6 mm maximum and 75.3 mm minimum outside dia. and 3.6 mm thickness, as per spcn. no. IS-1239 Pt. 1 or latest if any, medium grade, perforated 5 at a distance of 20 cm or less of required length at culverts/bridges/along the cuttings, suitably concreted at both ends as per drg. no. NR/S&T/CON/1.4/97 or latest. G.I. clamps of M. S. flats bolts and nuts to be supplied by the contractor. G.I. pipe and other associated material to be inspected by Consignee. Work at site will be inspected by Site Engineer.

Casting, concreting and curing of foundation and erection of App. Cases Large as per 2 drg. No. NR/S&T/CON/2.7/97 or latest. All materials such as cement, sand, aggregate and anchor bolts shall be supplied by the contractor. Contractor is required to execute all type of repair works of foundations if required during inserting the cable for termination. All concrete work must be ratio of cement, coarse sand and aggregate 1:3:6. (Inspection: Site Engineer)