COMPREHENSIVE MAINTENANCE OF B R AND E M WORKS LIKE OF STAND BY LT CABLES REPAIR TO DG SET SHEDS CONTROL PANELS SWITCHGEARS AMF PANELS EARTHINGS ETC FOR DG SETS INSTALLED AT VARIOUS LOCATIONS AT NAVAL STATION KARANJA

Material and labour for carrying out repairs to AMF panel of 15 KVA to 200 KVA DG set at various installation inclduing study, tracing out circuit, testing, replacing all defective parts, rewinding existing power and control wiring with same cables including testing and commissioning complete all as specified and as directed. (Note: Spares like Volt meter, CT, power contactor required for repair will be measured and paid seperately under relevant items.

Supply and fix microprocessor based multifunction controller with necessary accessories complete suitable for DG sets operation of capacity 500 KVA and showing the various parameters such as volt, ampere, frequency, RPM etc complete as per manufacturer of DG set with site requirment including removal of existing unserviceable one complete all specified and as directed.

Supply and fix microprocessor based multifunction controller with necessary accessories complete suitable for DG sets operation of capacity 625 KVA and showing the various parameters such as volt, ampere, frequency, RPM etc complete as per manufacturer of DG set with site requirment including removal of existing unserviceable one complete all specified and as directed.

Supply and fix microprocessor based multifunction controller with necessary accessories complete suitable for DG sets operation of capacity 200-320 KVA and showing the various parameters such as volt, ampere, frequency, RPM etc complete as per manufacturer of DG set with site requirment including removal of existing unserviceable one complete all specified and as directed.

Supply and fix microprocessor based multifunction controller with necessary accessories complete suitable for DG sets operation of capacity 400 KVA and showing the various parameters such as volt, ampere, frequency, RPM etc complete as per manufacturer of DG set with site requirment including removal of existing unserviceable one complete all specified and as directed.

Material and Labour for earthing with GI earth plate electrode of size 600mm x 600mm x 6mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below the normal ground level connected with GI strip 32mm x 6 mm by means of bolts, nuts, check nuts & washers of galvanished iron steel including necessary excavation and earth work in any type of soil, removing surplus soil to a distance not exc 50 m, with and including PCC chamber in PCC (1:2:4) type B1 using (20 mm graded stone aggregate), mild steel angle iron frame made out of MS angle iron of size 40x40x6 mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20 mm dia medium grade pipe for watering, 40 mm dia light grade GI pipe for lead protection in & including alternate layers of charcoal dust and common salt complete all as shown in electrical plate No 3 of SSR Part-1(2009) connected to earthing test point including testing on completion and taking down old u/s materials complete all as specified and directed. NOTE: (i) The earth chamber shall be constructed 0.50m away from the edge of earth pit and the cost of the same is deemed to be included in quoted unit rate. (ii) GI Strip and protection pipe upto 7.5m is deemed to be included in the quoted unit rate. (iii) GI watering pipe upto 1.2m s deemed to be included in the quoted unit rate.

Supply & Fixing,Laying, jointing, connecting & testing XLPE/PVC insulated PVC sheathed cable heavy duty 1100 volts grade, aluminum conductor in trenches / ducts of following sizes incl taking out cable all as specified and directed

3.5 core 70 Sqmm

3.5 core 185 Sqmm

3.5 core 240 Sqmm