CONSULTACNCY FOR PROVN OF EARTHING AND LIGHTING ARRESTOR FOR AFNET EQPT AT VAYU VIHAR AND COMMAND BLDG AT HQ SAC U AF TRIVANDRUM

Amount

SCHEDULE 'A'

(I) A comprehensive health assessment, adequacy and design of lightning protection and earthing systems should be carried out at 8 locations under GE (AF) Trivandrum to ensure effectiveness of the respective systems and protect human being and assets. The general approach should include the following :- (a) Health assessment study of existing lightning protection and earthing systems which will include all necessary tests & measurements as detailed in scope of work. b) Checking adequacy of existing lightning protection and earthing systems (c) Gap analysis and design of lightning protection and earthing systems to meet standards and site requirement and application. (d) Effectiveness of entire grounding system such as measurement of earth electrode resistance - invididual & overall grid, soil resistivity, riser integrity, grid integrity, effect of corrosion, loop impedance and prospective fault current. (e) Carrying out soil investigation to assess the various parameters of the strata/various type of equipment and installed machineries to finalise the type, system, composition and quantity of materials and chemicals required to achieve the earth resistance value less than one Ohm in all climate continuously at least for 10 years in the following locations. The details of soil examinations the results, protocol, and the obtained values in tabulated form along with the clear technical specification of each type of earthing suits to different location mention here before to achieve and maintain the desired results continuously for a period of not less than 10 Years. The bidder has to clearly to mention three to four makes of the different components of the system conventional, chemical or any new version of the earthing system.

(f) In case the recommendation is only for one particular brand (proprietory item) a certificate of undertaking duly authenticated from the firm should also be submitted alongwith the recommendation and the test results. The rate quoted for the above shall include required number of site visits of the Engineers/technical expert of the firm during the investigation and at the time of execution by the same firm or by any other agency to ensure the quality of workmanship so as not to leave any chance for dispute over the chemical materials or the workmanship. The required number of earth pits and confirguration of the pits within the space available/allotted for earthing along with coloured drawing shall also submit with the report. The report submitted shall not share/published to any other agency and all the details must be treated as confidential. The rate quoted shall unclude to provide the required instruments tools,eq-uipments and manpower for excavation/diiging and making good the area after concluding the investigation by the firm. Locations:- (a) SATCOM Building (b) DCN Building (c) HQ SAC Main Building (d) HQ CWE Building (e) New Armoury Building (f) AFNET Vayuvihar (g) HQ SAC Unit (h) WCDMA Area, Vayuvihar.

Total of Schedule 'A'

Unex Power Point Pvt.Ltd

JEF Techno Solutions Private Limited

JEETH CONSTRUCTION