bids are invited for provn of 12 x 2 ton ac supply installation testing and commissioning of hi wall split units indoor outdoor complete with cordles remote control , m and l for concealed type point wiring for one 15 oblique 16 amps power point controlled by one switch , s and f epoxy powder coated sheet metal enclosure with socket plug top and mcb single pole and neutral enclosure , s and f mcb distribution boards dbs with sheet metal enclosure double door , m and l for earthing complete with gi earth plate electrode 600x600x6mm thick buried directly in ground , s and f mcb single pole and neutral 32 to 63 amps , s and f mcb triple pole and neutral 40 to 100 amps , s and f angle iron bracket for mounting outdoor unit of split ac with appropriate no of nut bolts and washers , material and labour for concealed sub main wiring alongwith earth wire , supply laying jointing and testing in trenches or passing through pipe 1100 volts grade xlpe insulated , excavation in trenches in soft loose soil , returning filling in including spreading leveling watering and well ramming in layers , removing surplus soil to a distance not exceeding 50 mtr and depositing where directed at a level , supply and lay dry river sand filling for underground cable protection with a layer of 8cm deep , s and f gi tubing light grade 40mm dia for protection of cable passing through , supply and laying sub class b bricks total quantity : 591