Construction of Pathways in Open Web Girder Bridges along with Inspection railings on Abutments/Pier cap and Inspection Ladder in DDU-SEBN section under CGM/DDU.

A-USSOR ITEMS NCR-HQ-IR-USSOR 2021 - Ver - 1 (NCR-HQ-IR-USSOR

Supplying and fixing HSFG bolts of any dia and any length with suitable nuts including DTI washers conforming to IRS-B1-2001 for bridges and steel structures with contractors labour, tools and plants and lead and lift etc., complete.

Supplying, Fabrication and fixing access ladders, inspection platforms, Trolley 2 refuges etc., on bridges with structural steel conforming to IS : 2062 including welding/bolting, priming painting with one coat of ready mixed paint of zinc chromate (IS:104) with DFT of 25-30 microns followed by one coat of zinc chromate reed oxide (IS:2074) with DFT of 25 microns with all material, labour, T&P as a complete job. Note: Painting shall be paid separately under relevant item.

Supplying and fixing Gang pathway of MS/Stainless steel checkered plates between 3 guard rails on unballasted deck bridge for gang pathways, overlapping at regular intervals of 2m to 2.5m with bolts duly drilling holes in checkered plates, as directed on new bridge or replacement of existing gangway on old bridge including removal of old checkered plates and stacking near approaches of bridge clear from all infringement.

Providing and fixing various size HTS holding down bolts conforming to relevant 4 codes/specification in concrete column or in other structures with proper nuts, bolts, washers/plates, grouting of holes with cement or epoxy concrete with all material, labour, T&P as a complete job. With epoxy concrete grouting.

Painting of cleaned plate/ composite bridge girders including all scaffolding along 5 with provision of Jhoola/hanging scaffolding ladders etc. where required. With two coats of Aluminum paint in dual containers conforming to IS:2339 with DFT of 15-20 microns for each coat. Above/

B-DSR ITEMS (Item Directory-CPWD-DSR-2019-Ver-1) 3465030.00 Below/P

Item Code:10.16.3, Steel work in built up tubular (round, square or rectangular hollow 1 tubes etc) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Electric resistance or induction butt welding tubes Above/

C-NS ITEMS (ITEM Directory - Not Applicable) 392000.00 Below/P

Accurate marking with the template and then drilling of 17.5mm to 23.5 mm dia holes with contractors labours, tools, plants & equipment's complete as per approved drawings, specification special condition and scope of work as directed by Engineer in charge.