bids are invited for supply of lt panel and other electrical works -t control panel for new installed 250kva transformer near csa hall-item1: supply and erection of factory fabricated and wired metal clad dust and vermin proof floor mounting panel tpn switch board complete with the following hrc type heavy duty tpn fuse switches with fuse and instrument chamber etc. complete in all respect the instrument chamber shall comprise of f/t type ammeter, voltmeter, selector switches for ammeter and voltmeter instrument fuse, ct etc. the board shall have suitable capacity electrolytic aluminium bus bar with heat shrink sleeving and mounted on non hygroscopic supports such as cmc/dmc supports with detachable side covers and shall be suitable for extension on the sides . the switches shall be complete with suitable cable end boxes. the jobs included the grouting of the board as per direction the engineer-in-charge all out going switches of 100a and above will be provided with ammeter, ct and ,selector switches instrument fuse etc. the switch board shall be fabricated with crca sheet with a minimum thickness of 1.6mm /2mm cubicle type switch board shall be of cat a, b & c only. (a) incoming 630a tpn -01 outgoing 315a tpn -01nos. 200a. tpn -02nos, 100a tpn -02nos 805© (ii) cat b cubicle type u.p.p.w.d. (b) incoming 800a tpn -01 outgoing 200a tpn -03nos. 125a tpn -08nos. 806© (e) ( iii) cat b cubicle type u.p.p.w.d. item2: supply and laying of aluminium conductor pvc insulated armored served sheathed cable 1100 volts grade on surface the cable run shall be fixed on ms clamp etc. of suitable size or as directed by the engineer in charge . complete in all respect the armoring of the cable shall be properly connected with the earth conductor by clamp etc. (a)240 sqmm 3.5core (b)185 sqmm 3.5core (c)150 sqmm 3.5core (d)120 sqmm 3.5core item3: s/f of brass nickel plated compression gland for pvc insulated & armored served sheathed underground cable including rubber ring etc. complete in all respect the armoring of the cable shall be properly connected with the earth as per direction of engineer in charge . (a)240 sqmm 3.5core (b)185 sqmm 3.5core (c)150 sqmm 3.5core (d)120 sqmm 3.5core item4: s/f of plain or pin type copper tin plated cable socket (lug) to the cable lead insulating with tape and making connection etc. complete in all respect as per direction of engineer in charge. (a)240 sqmm 3.5core (b)185 sqmm 3.5core (c)150 sqmm 3.5core (d)120 sqmm 3.5core 5. item5: supply and burring of safe earthing electrode t-39 (hot –dip galvanized ) length up to 3000mm. outer pipe 76mm. inner dia 38mm. terminal dia 12mm. outer gi pipe of 16swg and inner gi pipe of 12swg with hot dip galvanization up to 100micron filled with crystalline conductive mixer (ccm)having anti corrosive &conductive property with 50 kg activated soil (bfc)capable of reducing the soil resistivity with good mixer of retaining capacity along with 30cm sq c.i. frame with hinged cover & masonary housing (from electrode terminal to switch board cost of 25*3 gi strip will be extra ). 6. item6: supply & laying of 25mm*3mm gi strip from earth electrode directly in the ground as required complete in all respect. 7. item7: s/f of bus-bar chamber 400a, 8way shade and basement complete. 8. item8: s/f of bus-bar chamber 400a, 6way shade and basement complete. 1. item 9: s/f of 320a, 415v, 50hz off load changeover switch with stand set (side handle) havells/hpl or equivalent 2. item 10: s/laying of 50 sqmm 3.5 core pvc insulated armored aluminium cable havells/hpl or equivalent 3. item 11: (a) 120 sqmm al cable socket (lug) (b) 50 sqmm al cable socket (lug) (c) 35 sqmm al cable socket (lug) c total quantity : 619