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Tender For supply and installation of lightening protection system class a type, detail as follows- (1) lightening arrester technology: advance early steamer emission. material: high current discharge stainless steel. international standards: nfc 17- 102. (2) mast material: frp pipe and high-grade aluminium. dimension: 50mm. length: 2 metres frp pipe and 2 metres high grade aluminium mast. (3) down conduct cable: pvc insulated copper cable. dimension: 50 sq. mm, length: 75mtrs (per set) lightning strike counter number of counts: 6 digits. current sensitivity: 1ka to 200 ka, 8/20 & 10/350 micro/sec. induction shunt: 0.5 micro.(4) two (02) no. of maintenance free earth with all required consisting as per specification no. rdso/spn/197/2016 ver 1.0 or latest with all required copper cables and strips. installation of class a type lightening protection should be as per the tan no:- sts/e/tan/3006, version- 3.0 ; dated:- 08.01.2025 (tan specs attached as annexure.) [ warranty period: 30 months after the date of delivery ]
Tender For supply of surgearrestor (pos no-9), as per clw spec no. clw/es/3/0016 alt-c & as per abb document: hatw 205558r0033 clw drg no. clw/es/3/sk1/0016/c and clw/es/3/sk2/0016/c. [ warranty period: 30 months after the date of delivery ]
Tender For supply of digital uhf base / mobile radio sets as per mha qr (v2) (q2) , digital uhf handheld radio , desktop type rapid battery charger , hardware cable and software , detailed level3 technical service manual , multi position type rapid battery charger , hands free kit , connector for testing of hand held parameter , digital uhf repeater , 6 db omni directional antenna , lightening protection unit , cabinet , programming kit , 10 db omni directional antenna , manual cable preparation tool , automated cable preparation tool , flare tool , 12v 150 ahc battery , laptop , 5kva online ups , dispatcher , leased lines , 1kva online ups , installation and commissioning
Tender For corrigendum : providing of custom bid for services - diagnostic tests & residual life analysis of transformers & surgearrestors and reactors at nspcl durgapur(ssc/25290)
Tender For repairs/maintenance of street light/ security light/flood light/garden light, earthing and lightening protection at zone 1 (a,b,c), zone 1 and zone 3a, 3b under ge (s) tezpur
Tender For corrigendum : supply, installation, testing and commissioning (as the case may be) of block proving by axlecounter using block panel and ufsbi for double line operation as per rdso specification no . irs:s-105/2012 (ver.0) with latest amendment. each set consisting of following; (i) universal fail safe block interface complete with all accessories as per sepc. irs:s-104/2012 (ver.0) with attest version and amendment qty-2 nos. (ii) block panel complete with all accessories as per rdso drawing no. rdso/s/32017 for double line (with latest amendment).- qty-02nos. (iii) relay rack with die locking and sealing arrangement as per rsso drg.no. rdso/s/32018 with latest amendment and supplu of all type of relays (iv) block telephone with accessories as per rdso spec. no. rdso/spn/191/2006. qty ? 02 no. with all type lighting protection. (v) automatic media changeover of modems working on redundant channels for data transmission on ofc/ quad-1 pair and secondary modem for ufsbi for use with secondary media ofc/quad-1 pair. or supply, installation, testing and commissioning (as the case may be ) of microprocessor based station master block panel fordouble line block instrument with block telephones as per rdso/ spn/175/2005 and description: (i) microprocessor based station master block panel for double line instrument with block telephones as per rdso/spn/175/2005- version 1 or latest (b) block telephone as per rdso specification no. rdso/spn/191/2005 or latest ? qty-2 nos. (ii) microprocessor based ssbpac (d) block instrument for double line as per rdso /spn/175/2005 version 1 or latest ? qty 2 nos. (iii) lightening and surge protection devices for power line 24v dc,class-c qty. 2 nos. (iv) lightening and surge protection devices data lines class- d qty. 2 nos. (v) supply ofall type of relays? for double line (vi) auto communication changeover units working on redundant channels for data transmission on ofc/quad-1 pair and secondary modem for use with secondary media ofc/quad-1 pair. [ warranty period: 30 months after the date of delivery ]
Tender For supply of surgearrestor for main transformer (ettfp) 1.5kv/2.5ka to clw specfication clw/es/a-8 and to clw skecth no clw/es/sk-1/a-8. [ warranty period: 30 months after the date of delivery ]
Tender For erection - overhauling of 550v overhead line for lighting of ecl quarters and installation of surgearrestor with earth pit at weighbridge under chora 7n9 pits colliery