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| 1 | Material and labour in repair for maintenance free chemical earthing comprising of one No chemical earthing having specification as follows complete all as specified and as directed:-(a) Copper electrode of wall thickness minimum 2mm not less than 3m length with not less than 50mm outer dia including copper strip of size 50 x 6mm minimum 2m long connected with 50mm dia copper electrode.(b)Fixing of copper earth electrode by drilling / boring 175mm dia hole 5m deep in any type of strata, placing electrode along with extention earth strip 50 x 6mm, 2 mts long and mixing earthing soil resitivity improvement compound Gel / powder (Terralon) min 10 KG per bore and 75 KG soil resistivity improvement compound (Electrodite) mixing homogeneously as per manufacturer instruction.(c)FRP earthing display board 254 x 380mm made out of plastic duly fixed with 610mm height made of plastic hollow pipe of 20mm dia information related to type of earthing, earthing result, due date of testing etc.(d) PCC earthing pit in PCC 1:2:4 type B-1 of internal size 300mm x 300mm x 300mm with 120mm thick wall and 700 x 700 x 150mm thick bed concrete and 50mm thick precast chamber cover of RCC 1:2:4 type B1 reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 kg/Sqm), complete all as shown in electrical plate No -3 of SSR part - I complete.(e) Contractor must visit the site before quoting the tender to understand the difficulty and cost for carrying out the job in the station. |
| 2 | Material and labour in repairs for maintenance free chemical earthing comprising of one No chemical earthing having specification as follows complete all as specified and as directed :-(a) GI electrode dual Technology filled with HCC compoundnot less than 3m length with not less than 88mm outer dia including GI strip of size 50 x 6mm minimum 2m long connected / welding with 88mm dia GI electrode.(b) Fixing of GI earth electrode by drilling/ boring 175mm dia hole 5.00 mtr deep in any type of strata, placing electrode along with extention earth strip 50 x 6mm 2 mts long and mixing earthing soil resitivity improvement compound Gel/Powder (Terralon) min 10 KG per bore and 75 KG soil resistivity improvement compound (Electrodite) mixing homogeneously as per manufacturer instruction.(c)FRP earthing display board 254 x 380mm made out of plastic duly fixed with 610mm height made of plastic hollow pipe of 20mm dia information related to type of earthing, earthing result, due date of testing etc.(d)PCC earthing pit in PCC 1:2:4 type B-1 of internal size 300mm x 300mm x 300mm with 120mm thick wall and 700 x 700 x 150mm thick bed concrete and 50mm thick precast chamber cover of RCC 1:2:4 type B1 reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 kg/Sqm), complete all as shown in electrical plate No -3 of SSR part - I complete.(e)Contractor must visit the site before quoting the tender to understand the difficulty and cost for carrying out the job in the station. |
| 3 | Supply and pouring Earthing soil resitivity improvement compound Gel enhancement compound transparent liquid Gel or black powder in 10 kg packing complete all as specified and as directed. |
| 4 | M & L in repairs for providing earthing with copper earth plate electrode 600 X 600 X 3.15mm buried directly in ground (earth pit not less than 2.25m deep below ground level ) with top edge of the earth plate not less than 1.5m below ground level connected to copper strip 20 x 3mm thick for earthing lead fixed by means of nuts,bolt,washers etc.ofcopper / brass connected to earth test point complete all as specified in electrical plate No 3 of SSR 2009 part I ,including salt charcoal dust and necessary excavation and earth work in any type of soil,GI water pipe with 20mm dia.funnel & wire mesh PCC pit with CI cover and frame etc complete all as specified and directed.Note:-Copper strip 20 x 3mm upto 7.5m length is deemed to be included in the unit rate quoted. |
| 5 | M & L providing earthing with GI earth plate electrode 600 X 600 X 6mm buried directly in ground (earth pit not less than 2.25m deep below ground level ) with top edge of the earth plate not less than 1.5M below ground level connected to GI earth strip 32 x 6mm thick for earthing lead fixed by means of nuts,bolt,washers etc.ofGI including earth test point complete all as specified in electrical plate NO 3 of SSR 2009 part 1, including salt charcoal dust and necessary excavation and earth work in any type of soil,GI water pipe with 20mm dia.funnel & wire mesh PCC pit with coverframe etc complete all as specified and as directed. Note : GI strip size 32 x 6mm upto 7.5 m length is deemed to be included in the unit rate quoted. |
| 6 | M&L in repairs fixing of 25 x 3 mm Copper earth strip continuity conductor or main earthing lead fixed to E&M installation / Equipment/ Machinery etc through onwall on batten or recess or chases or buried in ground or drawn in conduit / pipe or fixed to poles or any other indicated situation for loop earthing etc as requiredincluding fixing arrangment as required like epoxy insulatos on wall/pole etc. complete all as specified and as directed. Note:- All fixing arrangement as required for complete workand all the joints shall be made with brazing to get proper conductivity and all as specified are included in quoted rate. |
| 7 | M&L in repairs fixing of 32 x 6 mm GI earth strip continuity conductor or main earthing lead fixed to E&M installation / Equipment/ Machinery etc through onwall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as requiredincluding fixing arrangment as required like epoxy insulators on wall/pole etc.. Note:- All fixing arrangement as required complete workand all the joints shall be made with brazing to get proper conductivity and all as specified are included in quoted rate. |
| 8 | M& L for PCC earthing pit in PCC 1:2:4 type B-1 of internal size 300 x 300 x 300mm with 120mm thick wall and 700 x 70 x 150mm thick bed concrete and 50mm thick precast chamber cover of RCC 1:2:4 type B1 for reinfoced with welded steel wire fabric or XPM Jali (weight not less than 4.00 kg/Sqm), complete all as shown in electrical plate No -3 of SSR part - I complete including demolition of old U/S earth pit chamber and clear the site complete all as specified and as directed. |
| 9 | M&L replacement of chequered plate sheet including with cutting as per site requirment and painting with black paint complete all as specified and as directed. |
| 10 | M&LPlain Cement Concrete 1:2:4 type B-1 using 20mm graded stone aggregate for sub station approachPCC Path etc,including provision of necessary form work, finishing even and smooth without using extra cement complete including with rough excavation for the path PCCwork complete all as specified and as directed. |
| 11 | M&LWriting the SM / MES No details of E&Mequipments at site of EM installations etc. as directed with black paints andletters or figures n.exc.30 Nos and n. exc. 4cm high and complete including with preparation of writing surface complete all as specified and as directed. |
| 12 | M&L Writing the GOD Incommer & Outgoing feeder name details of E&M2/4/6 Pole structures at site of EM sub stations etc. as directed with black paints andletters or figures n.exc.15 Nos and n. exc.3cm high and complete including with preparation of writing surface complete all as specified and as directed. |
| 13 | M&L Writing the Earthing details (like N-1 & N-2 , B-1 & B-2 ) at top of the earth Pit cover of Transformers / VCBs earth pit etc E&M equipments at site of EM sub stations etc. as directed with black paints andletters or figures n.exc.15 Nos and n. exc.3cm high and complete including with preparation of writing surface complete all as specified and as directed. |
| 14 | Supply and fixing of Electric Shock treatment chart with aluminium border framed board and instruction written with english & local language as directedand suitable for Electric Sub Stn installations complete all as specified and as directed. |
| 15 | Supply and installation of First Aid Box complete with authorised medicines as per advisory issued by the Govt of India, Health department for Electric Sub Stncomplete all as specified and as directed. |
| 16 | M& L provision of fire stand of suitable size made out of MS angle iron/channel including PCC and brickwork for making plat from of and painting with two coats of synthetic red enameled paint over a coat of red oxide primer and writing “FIRE POINT” with white enameled paint as per standard size of letters and including the following complete all as specified and as directed.:- (i) Galvanised MS bucket with Red Painted10 lts capcity -04 Nos(ii) Fire extinguisher dry powder type (ABC type) 6 Kg -04 Nos(iii) Fire extinguisher CO2 type 10Kg with inbuilt hose pipe -02 Nos(iv) Fire beater -02Nos(v) Fire hook – 02 Nos |
| 17 | Supply & fix Electric Sub Station Board made with GI Pipe leg 3M length (02 Nos) of size 40mm dia (Med Gd) and GI sheet 2mm thick of size 1.3 M X 0.80 M including with painting as directed and writing name of Sub Station as given and directed and including fixing with PCC at site complete all as specified and as directed. |
| 18 | M&L replacement of \"HT Main at Work\"sign board with hanging arrangement and suitable for HT 11 KV Sub Stn complete all as specified and as directed. |
| 19 | M&L replacement of \"Danger Board\"sign board with hanging arrangement and suitable for HT 11 KV Sub Stn complete all as specified and as directed. |
| 20 | Supply & fix in replacement of Electric distribution diagram board made of rexin sheet with colour printing and complete framed with aluminium corner border and size n.exc. 5\" x 4\" including fixinge arrangements complete all as specified and as directed. |
| 21 | Supply & fix in replacement of White sunmica display board made with aluminium framed corner border and size n.exc. 4\" x 3\" including fixinge arrangements complete all as specified and as directed. |
| 22 | M&L in replacement of Insulating rubber Mat 2 M x1 M and 3mm thick with suitable for HT 11 KVelectric sub station complete all as specified and as directed. |
