SPECIAL REPAIR RENEWAL OF BER ELECTRICAL AND COOLING APPLIANCES AT AF STATION SINGARSI UNDER AGE I AF SINGARSI

Amount

Fixing only including taking down of all size of exhaust fan including S & F of louvers on outside faces and depositing the taken down fan to E/M stores complete all as directed. Note: The quoted rate shall includes making suitable dia of hole for fixing of exhaust fan in wall & making good with painting fan in wall & making good with painting including removal of debris.

Fixing only / Taking down / dismantling of defective / rusted storage type hot water gyser of 35/25 ltr capacity from different locations by disconnecting inlet / outlet connections and taking out and deposting to E/M store all as directed by Engr-in-charge and Fixing only new electric water geyser will be supplied free for fixing. (b) In the process of fixing minor drilling, all accessories such as safety valve, thermostate, NRV, connection piece etc. including two flexible steel pipe 600mm long. (inlet & outlet) with both ends screw bolt as specified. clamping, screw nuts bolts required shall be included in quoted rates. (c) Making suitable fixing arrangements in wall and making good, removal of debris from the site such as fastnere, nuts, bolts, clamps etc shall be included in quoted rates.

Fixing only /Taking down / dismantling of defective / AC complete unit Indoor and Outdoor unit of capacity 1.5 / 2 TR from different locations by disconnecting inlet / outlet connections and taking out and deposting to E/M store all as directed by Engr-in-charge Fixing only new Split ACs 1.5 / 2 TR with Voltage Stabilizer will be supplied free for fixing shall deemed to be included in this item (b) making a hole in the wall for connection between outdoor and indoor unit of split AC, covering the gap with cement / putty all complete shall be included in quoted rates.

M&L for earthing complete with galvanised steel earth plate electrode 600x600x 6mm thick burried in ground (earth pit not less than 2.25 m deep below ground level0with top edge of the plate not less than 1.5 m below normal ground level, connected to GI strip 32 x 6mm as earthing lead by means of bolts, nuts, check nuts, and washers of GI or steel, GI strip protected by 40 mm bore medium grade GI pipe and other end connected to earth test point as directed including funnel with watering pipe 20 mm bore medium grade GI, wire mesh charcoal or coke common salt laid in altrnative layer of 15 cm (complete thickness) all round the earth electrode, concrete earth pit in PCC(1:3:6) type C-1, 50 mm thick pre-cast RCC(1:2:4) type B-1 normally mix cover slab reinforced with in 8 mm dia TMT bar 10 cm C/C both ways and single handle of 10 mm dia round bar including necessary excavation, earth work etc. in soft/loose/hard soil and disposal of soil to a distance n.exc 50 m and necessry testing on completion all as shown in electrical plate No 3 MES schedule part-I complete all as specified and as directed.

M&L for earthing complete with galvanised steel earth plate electrode 600x600x 6mm thick burried in ground (earth pit not less than 2.25 m deep below ground level0with top edge of the plate not less than 1.5 m below normal ground level, connected to GI wire of dia 4 mm as earthing lead by means of bolts, nuts, check nuts, and washers of GI or steel, GI strip protected by 40 mm bore medium grade GI pipe and other end connected to earth test point as directed including funnel with watering pipe 20 mm bore medium grade GI, wire mesh charcoal or coke common salt laid in altrnative layer of 15 cm (complete thickness) all round the earth electrode, concrete earth pit in PCC(1:3:6) type C-1, 50 mm thick pre-cast RCC(1:2:4) type B-1 normally mix cover slab reinforced with in 8 mm dia TMT bar 10 cm C/C both ways and single handle of 10 mm dia round bar including necessary excavation, earth work etc. in soft/loose/hard soil and disposal of soil to a distance n.exc 50 m and necessry testing on completion all as shown in electrical plate No 3 MES schedule part-I complete all as specified and as directed.

Supply and fix maintenance Free Chemical Earthing a) 50mm Dia, 3 mtr Long Chemical Filled Earth Electrode made by Copper pipe & both side shielded, having 40mm x 6 mm terminal for connection. b) Highly conductive compound (1 bag) with carbon content more than 65 percent tested as per IS:1350(P-4/Sec-1)1974, sulphur content less than 0.4 percent as per ISO 4689-3 & tested for resistivity as per IEC 62561-7 & ATSM G57-06 for the resistivity of 0.058 ohms. c) The Electrogrip BFC (25KG/Bag) 1 Bag of highly conductive resistivity lowering ground enhancement compound tested as per IEC/ISO 62561-7. IEC/ISO 62561-2, IEEE-80-2013 Clause 14.5 for electrochemical corrosion, resistivity, tensile test & reference standard of ASTMG59-97(2020) for resitivity of 0.10 ohm-meter. PH value is more than 7 ohms with less than 2% of sulpher content as per ISO 4689-3:2017-ICP OES. d) HDPP/HDPE earth pit cover (EPC6)B tested for load bearing capacity of more than 8 tons. Two earthings to be interconnected and one common earth strip to be taken out for connecting with the earth terminal. The cost bof earth terminal upto 7.5 mtr long shall be deemed to be incl in item rate. The cost of excavation and other require work at site for errecting the chemical earth shall be deemed to be incl in the item rate.

M&L Lightneining conductors Air termination, single pointed aluminium rod 12mm dia and 300mm long complete all as specified and directed.

M&L Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw including enclosure all complete all as s directed.

M&L Aluminium strip 25 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground all complete all as specified and directed.

M&L Copper strip in repair 20 x 3.15mm with saddles and fixing screws etc for roof conductors and down conductors above ground all complete Note : Old damaged copper strip available at site approx = 200 RM), balance required for connection will be provided new at site, hence not catered in schedule of credit)

Taking down Old damaged copper strip and Old damaged Aluminium strip complete all as directed.

Taking down / dismantling of complete pump set of any cap inlet / outlet connections and taking out and deposting to E/M store all as directed by Engr-in-charge shall deemed to be included in this item.

S&F Monoblock pump set suitable for 415 V ,3 phase system having capacity 5 HP, 48 mtr head, discharge capacity 2.7 lps with sitable suction and delivery of 50mm x 40mm including necessary RCC foundation of suitable height, length and width as recommended by the manufacturer having 30 cm clear working space all around the pump and motor. The suitable size of base frame, foundation bolts and nuts, coupling and coupling guard including connection of suction and discharge pipe lines, all electrical cable connection and testing the pump deemed to be incl in the item rate. Any other requirement araising during installation of pumpset and making disturbed surfaces good is all incl in the item rate . The pump will be installed at the location all as specified and directed by Engr-in-Charge. (i) RCC foundation (1:1.5:3), TMT for RCC, foundation bolts and nuts, base frame and anti vibration pads are deemed to be incl in the item rate. (ii) The centrifugal pump set with motor should be guaranteed as per the standard warranty of manufacturer against all defects.

Supply, installation, testing and commissioning of multistage centrifugal pump set with cast iron impeller of capacity 50 HP, 130 mtr head, discharge capacity 45 cum/hr, gland packing with suitable dia of suction and delivery (65 mm x 50 mm) coupled with squirrel cage induction motor of suitable capacity, 415 Volt, three phase including necessary RCC foundation of suitable height, length and width as recommended by the manufacturer having 30 cm clear working space all around the pump and motor. The suitable size of base frame, foundation bolts and nuts, coupling and coupling guard including connection of suction and discharge pipe lines, all electrical cable connection and testing the pump deemed to be incl in the item rate. Any other requirement araising during installation of pumpset and making disturbed surfaces good is all incl in the item rate . The pump will be installed at the location all as specified and directed by Engr-in-Charge. (i) RCC foundation (1:1.5:3), TMT for RCC, foundation bolts and nuts, base frame and anti vibration pads are deemed to be incl in the item rate. (ii) The centrifugal pump set with motor should be guaranteed as per the standard warranty of manufacturer against all defects.

Schedule of Credit

M/S SINGH ENTERPRISE (BID ID -3436621)

M/S KUMAR AVINASH (BID ID -3439328)