development of hetram park in ward no 20 hisar - air swing: providing, designing and fixing of airs winging pair of size 1150 x900x1250 mm fabricated with main post of 114mm dia and 3.00 mm thick and other pipes of 40mni jia 3.00mm thick all pipes made up of hot rolled tubular steel and hot dipped galvanized, and powder coated using akzo nobel or equivalent of 80-120 micron thick. all welding joints of pipe are robotic welded with joints scalloped as necessary and dressed off removing sharp edges and burrs. zinc primer paint to be applicaelding points prior to finishing. seat and base plate cover shall be made up of virginufactured by rotational moulding with minimum thickness of plastic 4.00mm, coletulan dis resistant environmental friendly. bearing used shall be maintained free, duled and self lubricated made by reputed company to be approved by engineer-in-chient to be fitted within built limiters to prevent unwanted movements. all open ends of time to be coloured by gi / lldpe caps for user safety. the equipment to be fixed on ground with concrete of minimum strength m25 and j shaped welded bolts and once the concrete is set, fix the equipment on to it and cover nuts and bolts with the base plate cover, all complete as per direction and approval of engineer-in-charge regarding material, shape of equipment, colour on metal, seat and base cover plate and fixing of equipment etc