Replacement of M.S. Pipe and associated accessories for external fire hydrant at Devi Ahilya Bai Holkar Airport, Indore

Providing, laying, testing & commissioning of 'C' class heavy duty MS Pipe conforming to IS 1239/3589 i/c fittings like elbows, tees, flanges, tapers, nuts bolts, gaskets etc. in ground including welding, excavation & providing cement concrete blocks as supports, anticorrosive treatment with coaltar/asphalt tape as per IS 10221, refilling the trench etc. of following sizes complete as required. 150 mm dia

Providing, laying, testing & commissioning of 'C' class heavy duty MS pipe conforming to IS 3589/IS 1239 including Welding, fittings like elbows, tees, flanges, tapers, nuts bolts, gaskets etc. and fixing the pipe on the wall/ceiling with suitable clamp/support frame and painting with two or more coats of synthetic enamel paint of required shade complete as required : 150 mm dia

Cutting groove(two cuts) of size min 300 mm wide and 450 mm deep (or as required) in existing cement concrete surface using concrete cutter machine and appropriate tools, including cleaning of groove, disposal of debris within 50 m lead,etc as required all as per direction of Engineer-in-Charge.

Removal of existing interlocking paver blocks/chequered tiles laid over sand/earth base, stacking the serviceable blocks at site as directed, and relaying new blocks of minimum M30 grade Paver blocks or chequered tile as per Engineer in charge instruction in place of exiting paver existing blocks' quality and specification after completion of underground fire hydrant pipeline work including dressing of base surface, refilling and compacting excavated trenches, providing and re-laying sand cushion of appropriate thickness, re-aligning and re-compacting the paver blocks to original line, level, and pattern to restore the surface in original condition, at ground level complete in all respects as per direction of Engineer-in-Charge.

Excavation in hard rock not exceeding 1.5 metres in width, and lift upto 1.5 metres, including getting out the excavated soil/rock and disposal of excavated soil as directed within a lead of 50 metres or refilling the same etc. complete as required and as per direction of EIC.

Carefully removing existing fixed stainless steel bollards from the concrete surface, including excavation around the base, cutting if necessary, and stacking the removed bollards safely at site; and refixing the same in position as good as original by making necessary foundation using cement concrete , aligning, leveling, grouting, welding (if required), and finishing the surface to match the existing flooring, including disposal of debris, cleaning the site, all tools, plants, labour, materials etc. complete as per direction of Engineer-in-Charge.