Comprehensive annual maintenance contract - 1 year for 85 nos of 1.5 ton split type air conditioners at reginoal deputy commissioner office and zonal office-8 pullaavenue in division-101,zone-viii area.

Carbon steel pipe heavy duty seamless pipe 2 inch,2inch 90 deg. bend,2 inch x 1 reducer with 4 nos. stud-bolt and washer, jumper,2 inch x 2 inch equal tee 4 nos stud - bolt and waser, jumper,png gas ball valve 2 inch with metallic gas kit,png gas ball valve 1 and half inch flange end with metallic gas kit,weatherproof s.s. pressure gauge 100mm dia range,ms channel angle support 50mm x50mm x 6mm support,itc of internal piping work,painting work,third party inspection charges paid to tpi agency,supply of nrb with installation complete,lpg gas converted by png gas with material,brash nipple 1.5 inch with installation