PERIODICAL MAINTENANCE OF ELECTRICAL INSTALLATIONS, SAFETY RELATED WORKS, REPLACEMENT OF UNSV DISTRIBUTION DIAGRAMS, DISPLAY BOARDS, PAINTING WORKS AND ALLIED WORKS AT NAVAL DOCKYARD, VISAKHAPATNAM UNDER GE (I) DM VISAKHAPATNAM

Amount

Taking down and supply and fix in repair acrylic LED Sub station glow sign name board as designed with radium glow lettering alongwith SS304- frame , base and structure support and internally wired for lighting water proof for fixing at outdoor incl plug in the remote receiver and power adaptor and as per site complete all as specified and directed. Note:- Letters design/board size to be displayed will be approved by Engineer in Charge and prior approval must be taken.

Taking down and supply and fix in repair distribution diagrams of electric supply alongwith SS304 frame, base and structure support and as per site reqmt complete all as specified and directed. Note:- Letters design/board size to be displayed will be approved by Engineer in Charge and prior approval must be taken.

Supply and fixing of 11/33 KV grade electrical discharge road consist of insulating tube, C type clamp, Flexible copper cable and rubber grip. Earthing rod suitable for 11/33 KV line.it is telescopic type 4 section, made from FRP pipe, total length 18 feet. It is used for high voltage electric line and equpments complete all as specified and directed.

M&L for Resuscitation and first aid chart frame duly instruction in Hindi, English & local Language complete with fixing arrangement on wall as specified & directed.

M&L in replacement of fireball extinguisher with metal stand weight 3 Kg, self activate within 3-5 seconds upon reaching the approximate temperature and extinguish the fire with coverage area of about 140 to 160 Sqft complete all as specified and directed.

M&L for THERMOGRAPHIC TESTING of 11kV switch boards with IMAGE INFRARED CAMERA to detect Hot spots, to avoid electrical failures and increase safety for all current-carrying devices. Visual and mechanical inspection to be done when load is applied to the system. Use & follow appropriate caution, safety devices, and personal protective equipment Provide a report which includes the following, all as specified and directed. 1. Description of equipment tested. 2. Discrepancies if any. (HOT Spots). 3. Identify load conditions at time of inspection. 4. Provide photographs and/or thermo grams.

M&L for Maintenance of existing earth pits having good resistance value by cleaning/removing debris from earth pit chamber, wild vegitations/grassess around pits, cleaning/changing of funnel complete all as specified and directed.

M & L Earth enhancing compound up to earth pit GL to reduce the soil resistivity as per clause 14.5b of IEEE 80:2000 (latest Edition) of make Earthcon upto the ground complete all as specified and directed.

M & L for enhancing earth value by adding sufficient quantity of salt -water and charcoal upto satisfactory value of that pit complete all as specified and directed.

M&L for Al strip 32 x 6mm with saddle and fixing screws, including insulating block for connection of pit to bldg test point complete all as specified and directed.

M&L copper strip 32 x 6mm with saddle and fixing screws, including insulating block for connection of pit to bldg test point complete all as specified and directed.

M&L copper strip 75 x 10mm with saddle and fixing screws, including insulating block for connection of pit to bldg test point complete all as specified and directed.

M&L for writing earthing value on wall/column after proper preparation of wall surface, one coat of cement primer and two coat of black synthetic enamel paint and writing letter with white synthetic enamel paint for display of the following parameters of earthing complete all as specified and as directed. (a) Pit Number (b) Date of test (c) Earth test value (d) Earth test due on

M&L for new earthing pit by making concrete pit in PCC 1:3:6 type C2 with RCC precast pit cover slab 80 mm thick with handle for lifting made out of 8mm dia MS rod all as specified in Plate No 2 of SSR Part-I after dismentling of unsv one complete all as specified and as directed.

M & L for casting Chemical earth pits with Pipe in Pipe technology 50 mm Cu bonded , 200 microns, 3 Mtr Long Earth Electrode targeted/ achieving individual earthpit result from 1.5 ohms upto maximum of 5.0 ohms for each individual pit and by maintaining of expected Grid value of 0.20 ohms but less than 0.5 ohm for grid earth pits as in around individual technical building with the following items, specifications and testing complete for each pit complete all as specified and directed. (i) Boring 300 mm dia of earth pit in soft and loose soil upto the depth of not less than 2.5 m deep below ground level by means of any method i.e boring/ digging including removal of excavated material to a distance of 50 m as directed by Engr-in-charge in each pit. (ii) Filling the each bore hole with 10 kg thick compacted layer of earth enhancing compound to reduce the soil resistivity as per Clause 14.5d of IEEE 80:2000 (latest Edition) of make Terec+ as per manufacturers specifications.

iii) Placing of 3 m length of 50mm dia of copper bonded pipe-in-pipe earth electrode with welded copper plate 38mmx200mm of 12mm thick on top. The earth rod should be placed at centre of each bore hole/earth pit with minimum of 10 kg inserted in to Terec+ layer (iv) Back filling with earth enhancing compound up to earth pit GL to reduce the soil resistivity as per clause 14.5b of IEEE 80:2000 (latest Edition) of make Earthcon upto the ground. (v) Connecting/Jointing/brace welding each electrode of earth pit serially with copper earthing strip 25X3 mm with minimum 3 m distance between two earth pits buried below GL in trench filled with earth enhancing compound to reduce the soil resistivity as per Clause 14.5b of IEEE 80:2000 (latest edition) by enhancing its ionic properties, dispersion properties, hygroscopic properties, expansion properties, diffusion properties etc, incl earth excavation complete all as directed by Eng-in-charge.

(vi) Placing 500X500X250 mm HDPE earth pit cover (IEC 62561-5) flushed with ground placed over 100mm thick PCC (1:3:6 Type I) of size 550 x 550 mm including required earth excavation, refilling and packing. The earth pit cover should be UV stabilized, lockable jam free lid, stackable design, resistant to substances including petrol oil, diesel, bitumen and concrete etc vii) The quoted rate is deemed to be inclusive of necessary removal of excavated soil to a distance of 50 mtr as directed by the Engr-in-Charge. viii) Any other requirement if desired by the Engr-in-Charge as per site conditions shall be provided by the contractor without any extra cost. Note: a) The earth pits should have a minimum distance of 3m from each other and a minimum distance of 2m from building walls b) If grid value is found less than 0.5 ohms then the contractor will re-execute earth pits or put addl pit with no extra cost to the Govt.

M/s SS Engineering Enterprises

UV POWER TECH

R AND A ASSOCIATES ENGINEERS CONTRACTORS