SDSTPS

Supply, fabrication and erection of 6 mm + 8 mm thick mild steel doubler plates (8 mm plate over 6 mm plate) for strengthning of the 2600 mm dia Hot Water Pipeline( East Side) of NDCT-2. The rate shall be inclusive of the cost of all materials including mild steel plates, plate bending charges to suit the required pipe curvature, welding and Welding of pipelines shall be as per IS10234:1982 under an approved Welding Procedure Specification (WPS). welding consumables, staging arrangements, Hydra crane hire charges for lifting and positioning, transportation, loading and unloading, all labour charges, tools and plants, leads and lifts, supervision charges, and all other incidental expenses required for the satisfactory completion of the work. The work shall be carried out as per site requirements and as directed by the Engineer-in-Charge, complete in all respects.

Supplying and fixing of new MS angles size 130X130X10mm and 10mm plates for Strengthening the existing trestle structure east side of NDCT-2, shall conform to IS 2062-2011 and fabrication shall be IS800-2027 lifting the angles, plates and other miscellaneous items with rope pulley from 0.00mtrs to 12.00 Mtrs for fixing in place of damaged angles, plates and other miscellaneous items. The damaged materials removed by gas cutting machine, including cost of consumables' and labour charges with staging, scaffolding, racking and transportation charges etc., including scaffolding pipes and staging materials , T&P all leads & Lifts, complete cost and conveyance of structural steel and all other materials, labour all leads and lifts etc., complete for finished item of work as directed by the engineer in charge.

Chipping of concrete pedestal to a depth of 150mm and expose sound concrete beneath by using chiping machine and crew charges and also preparing the concrete surface to receive further treatment,‘as per APSS 202’ for chipping disposingthe debris as directed by Engineer i-in charge.

Micro-Concreting: Providing structural strengthening conform to 'ASTM C387- 23,Grade M25'. (if needed, blend with washed, saturated surface dry, graded, low absorption, high density aggregates of size 10mm & below) and pouring the concrete through hopper / funnel arrangement into the leak-proof shuttering formwork for concreting having properties of free-flowing, self- leveling , selfcompacting and complete as per specification and as directed by Engineer-in-charge.