SPECIAL REPAIR / REPLACEMENT OF BER TRANSFORMERS, CEILING / EXHAUST FANS AND OTHER CONNECTED WORKS AT AFS HAKIMPET

Supply, install, commissioning and testing of Transformer of capacity 315 KVA, Step down Outdoor type complete with standard fittings HT, 11KV 3 Phase, LT 433V, 3 Phase, 4 wire copper wound Energy efficiency Level 2 with maximum total loss not exceeding 955 Watts at 50% load and 2750 Watts at 100% load with off load tap changer in 7 steps of 2.5% for range +/- 7.5% step down outdoor type on HT side to very secondary voltage within limit all as per IS-1180 : 2014 (Amendment No 4 of Mar 2021) transformer shall be of oil immersed naturally cooled type (ONAN) complete including dismantling and taking out from position transporting and deposited to AGE E/M Store Yard consisting following specifications complete all as specified and as directed :- (a) Two earthing terminals for body earthing and two additional for neutral brought on bushing. (b) Oil level gauge indicating oil level minimum and maximum. (c) lifting lugs. (d) Drain cum sampling valve. (e) Thermometer pocket. (f) Oil filling hole with cover. (g) Dehydrating breathing device. (h) Rating and terminal marking plates. (j) One cable box HV side consisting porcelain bushing HT 11 KV with bushing rods, nuts, bolts inside cable end box. (k) One cable box LV side consists of 4 Nos of brass bushing rods with nuts, bolts with two nos of cable glands of suitable size. (l) Explosion vents. (m) Air relief valve plug. (n) Initial filling to transformer oil confirming to IS-335 with Break down value at least 50KV.

All as per Item No 1 above -ditto- but here in before transformer of capacity of 200 KVA, level 2 with max total loss not exceeding 670 Watts at 50% load and 2100 Watts at 100% load complete all as specified and as directed.

All as per Item No 1 above -ditto- but here in before transformer of capacity of 100 KVA, level 2 with max total loss not exceeding 435 watts at 50% load and 1500 Watts at 100% laid complete all as specified and as directed.

M&L Brick platform of size 2.5m x 2.5 m x 1.5 m and upto depth of 1.0 meter below ground in cement mortar 1:6 with PCC foundation 1:4:8 type D-2 using 40 mm graded stone aggregate, PCC 1:2:4, type B-1 using 20 mm graded stone aggregate, 20 cm thick coping including necessary form work over brick work, 150mm thick hard core with broken boulders over 100mm thick PCC 1:3:6 sub base using 40mm graded stone aggrigate over 75mm thick PCC 1:2:4 using 20mm graded stone aggrigate as base course for placing of Air type load break switch etc and plastering to exposed surfaces of brick work with cement mortar 1:4, 15mm thick complete all as specified and as directed. Note : Rates work for excavation, Removal and RFR deemed to be included in the quoted rates.

M&L in replacement for earthing complete with GI earth plate electrode of size 60 cm x 60 cm x 6 mm thick buried directly in ground vertically at a depth not less than 2.25 mtr below normal ground level with top edge of earth plate at depth not less than 1.5 mtr below normal ground level surrounded from all sides by 15 cm thick and packed layer of charcol dust and common salt filling in alternate layers and electrode connected by galvanised iron strip 32 mm x 6 mm by means of bolts, nuts, check nuts and washers connected to test termination point protected by 40mm bore GI pipe light grade and GI pipe light grade 20mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1:2:4 type B1 including exluvation and earth work, disposal of surplus soil to a distance not exceeding 50 mtr all as specified and shown in electrical plate No 3 of SSR Part-I complete all as specified and as directed. Note: (i) The unit rate shall include for GI water pipe, protection pipe wire mesh, funnel, excavation, RCC pit cover, PCC, test point, G I strip 32 X 6 mm from top of earth plate upto 5 mtr. (ii) PCC pit shall be provided at least 1.5m away from the earth pit and extra cost of additional length of water pipes and fixing junction, Elbows etc. shall be deemed to be included in the unit rate. (iii) RCC pit cover shall be percast of RCC 1:2:4, type B-1, 80 mm thick reinforced with XPM weighing not less than 4kg/Sqm in liue of cast iron cover.

Supply, installation testing and commissioning of 11 KV,rated voltage 630 A, Outdoor type (IP 54), Air type, Load break switch with HT Fuse. The unit shall include the following with all necessary standard fitting as required at site complete all as specified and as directed. (a) Type : Air type (b) Indoor/Outdoor : Outdoor type (c) Voltage (Normal / Max) KV - 11 KV (d) Phase (Nos) - 3 Phase (e) Frequency (Hz) - 50 Hz (f) Rated Current - 630 Amp (g) Fuse Rating - Suitable for existing Transformer Rating (h) Short circuit current - 26 KA (j) Insulation level :- (i) Impulse Withstand (kV peak) - 75 (ii) 1 minute 50 Hz Voltage Withstand (kVrms) - 28 (k) Degree of Protection Outdoor enclouser - IP54 (l) Powder coating Paint shade - RAL 7032 (m) Switch gear complete testing at factory premises infront of Testing officer detailed by Accepting officer. (n) Fittings and accessories :- (i) LBS with HT Fuse (ii) Provided Earth switch (iii) Proveded with Heater + Thermostat + Auxillary switch (iv) Indication Lamps for HT supply (v) Operating Handle Complete with internal and external connections with each other or as per ground requirement. Note : (a) Drawings submitted by the contractor for approval of Accepting Officer before placing the order. (b) LBS tested by EI/SEI after commissioning before or after completion of tender. (c) Rates quoted by the contractor including suitable plinth as desired by Engr-in-Charge.

Dismantling of 2 Pole stucture PCC Poles/Steel tubular poles of any size, type make complete all as specified and as directed.

M&L cable jointing Kit in replacement for 11KV grade cable for outdoor termination, heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 95 Sqmm complete all as specified and as directed.

Supply and fixing ceiling fans complete with blades, down rods, including suitable electronic regulator and accessories without remote, 230 V, 1200mm sweep. Min air delivery 210 CFM with service value 6.00 BEE. Five star rated as per latest BEE norms in vogue at the time of supply with brushless direct current motor (BLDC) including depositing the old ceiling fan to MES E/M Store Yard complete all as specified and as directed.

Supply and fix Exhaust Fan Heavy duty 300mm sweep, AC single Phase, 230V , with double ball bearings with bird protective guard, wall mounted, metallic body with minimum noise level including depositing the old exhaust fan to MES E/M Store Yard complete all as specified and as directed.

Supply and fix Exhaust Fan Heavy duty 380mm sweep, AC single Phase, 230V, with double ball bearings with bird protective guard, wall mounted, metallic body with minimum noise level including depositing the old exhaust fan to MES E/M Store Yard complete all as specified and as directed.

Supply and fix exhaust fan, steel body AC single Phase, 230V of size 450mm sweep heavy duty with double ball bearings, blades, and frame and louvers including depositing the old exhaust fan to MES E/M Store Yard complete all as specified and as directed.

Supply and fix exhaust fan, steel body AC single Phase, 230V of size 225mm sweep with, blades, and frame and louvers including depositing the old exhaust fan to MES E/M Store Yard complete all as specified and as directed.

Supply and fix exhaust fan made of sturdy Engineering plastic complete with louvers shutter, voltage 230V, 50 Hz, RPM 1200, Copper winding of sweep 250mm including depositing the old exhaust fan to MES E/M Store Yard complete all as specified and as directed.