supply of supply of items as per schedule of requiremtnssupply of items as per schedule of requiremtns,supply, laying, fixing of water drain pipe from indoor unit to proper destination side. hsn cod e- 39173900 make-polytech/jindal or similar. [ warranty period: 30 months after the date of delivery ] ] , supply and fitment of fabricated iron angle base for hanging of indoor gi duct. hsn code- 72 16.21.00 make-tata/vision or similar [ warranty period: 30 months after the date of delivery ] ] , supply & laying of copper cable size 4 core 2.5 sqmm copper cable. hsn code- 85444999 ma ke-polycab/kei/finolex. [ warranty period: 30 months after the date of delivery ] ] , supply & replacement of new copper hard-drawn copper pipe with necessary fitment of elbo w, saddling, brazing and laying charges having size 5/8. hsn code -7411 make-totaline/godrej or similar. [ warranty period: 30 months after the date of delivery ] ] , supply & replacement of new copper hard-drawn copper pipe with necessary fitment of elbo w, saddling, brazing and laying charges having size 11/8. hsn code-7411 make-totaline/godrej. [ warran ty period: 30 months after the date of delivery ] ] , supply refrigerant r-407 c gas for 06 nos units. (01 plant=03 unit, 02 plants=06 units) capac ity 5.5 ton each unit including refilling gas charge. make- floron. [ warranty period: 30 months after the d ate of delivery ] ] , supply of gi duct for passing of chilled air flow from indoor to auditorium room and supply of hanging arrangement for fixing of duct. hsn code- 8415.90.00 make-tata/vision/jindal. [ warranty period : 30 months after the date of delivery ] ] , supply of fabricated iron angle base for 15.5 ton capacity outdoor unit, including fixing and fi tting charges. hsn code: 7216.21.00 make-tata or similar [ warranty period: 30 months after the date of delivery ] ] , supply, fittment of gi duct for (16.5 x 2) ton package type air conditioner including testing, c ommissioning of air conditioner.hsn code- 8