Tender For Selection Of Agency For Shifting Of Overhead Power Line To Underground Power Cable And Other Asso ... in India

Work Detail

Selection of Agency for Shifting of Overhead Power line to Underground Power Cable and other associated works under Disaster Management, Relief and Rehabilitation, Maharashtra in Palghar District of Maharashtra ; 1 Record capacity of DTR transformer used 2 Record S. No., make and year of manufacturing of DTR transformer 3 Safe and adequate access to distribution transformer (DTR) substation 4 Availability of approved survey report 5 Proper load survey is performed of the locality for perspective consumers while deciding capacity and location of DTR 6 Expected loading of transformer using 5 years growth is performed in survey report 7 Proper alignment of substation structure with 11 KV line 8 Record type of poles/support used for DTR substation 9 Record type of foundation used 10 Proper muffing is provided on steel supports of DTR substation 11 If DTR substation is in water logging area, its foundation is grouted in cement concrete 12 Proper verticality of substation supports 13 Proper pole to pole distance of substation supports. 14 Proper erection of jumpers and connection to DTR transformers without any bent 15 Proper binding of insulators 16 Stay plates are properly grouted in cement concrete mixture to support DTR substation structure (if erected) 17 Proper tensioning is there on stay set 18 Proper alignment of stay wire with overhead conductor 19 Proper erection of stay clamp using 12 mm dia nuts and bolts 20 Proper galvanization of stay wire 21 Thimble is provided on turn buckle of stay TCIL/69/Maharashtra-DMUset No. 22 Stay set installation is provided with guy insulator 23 Proper phase to phase and phase to ground clearances maintained on the substation jumpers 24 Steel overhead structure is properly earthed using 8 SWG wire/G.I. flat? 25 Each 11 kV overhead equipment including transformer are individually earthed using 8 SWG Earth wire/ GI flat 26 Danger plate is installed at appropriate height using proper size clamp. Record type and size of clamp 27 Proper anti-climbing device (barbed wire/spike) installed at appropriate height on individual support. Record quality of wrapping of barbed wire 28 Substation is numbered 29 Individual substation pole is imposed/painted with the name of scheme 30 Surface of the PCC poles is finished and there are no steel wire visible 31 No physical damages appeared on PCC pole surface 32 GI flat to GI flat connection using at least 2 sets of GI nut bolts and washers 33 8 SWG GI wire/GI Flat is properly dressed with support 34 GI wire to GI wire jointing is provided using 12 SWG GI nut bolts and washers 35 GI wire connection to earth pit is using GI nut bolt and washer 36 GI earth pipe is properly inserted inside earth without hammering 37 Number of earth pit used for substation earthling. 38 Pit to pit distance in meters. Is it adequate? 39 Masonry enclosure is provided over individual earth pits 40 Funnel is provided over earth pit 41 Proper jumpering using binding practices/PG clamp No. 42 Proper clearances to avoid bird fault on conductors of substation supports 43 Type and size of overhead conductors used in the substation 44 Cement-concrete grouting foundation of substation supports 45 Measure quantum of cement concreting in any one sample support 46 Measure cement concreting foundation in any one sample of stay set pit 47 Proper painting/galvanizing done on steel structure 48 Any sign of rusting found on substation structure/hardware 49 Any broken insulator found in the substation 50 Disc Insulators installed precariously (loose bolts/ missing cotter pins) 51 Separate individual earth connection using GI wire/GI flat is used for neutral earthing with separate pit 52 Dedicated transformer body earthing using GI wire/GI flat 53 Bimetallic clamps are provided on 11 kV bushing 54 No gap between busing seat and bimetallic clamp on LT as well as HT bushing while connecting conductor/cable 55 Proper lugs are provided on termination of cables 56 Oil is filled in cup of silica gel breather 57 Silica gel is blue in colour 58 Oil control valves are open between transformer tank and breather (wherever used) 59 Oil leakage from the body/gasket of transformer and from conservator tank 60 Record level of oil in conservator tank 61 Transformer installed precariously ( Nut / bolts / side bracing missing) 62 Transformer is fitted with 12 mm dia nut bolts on its base channel63 Transformer belting is provided No. 64 Dimension of transformer base channel 65 Individual lightening arrestor are earthed with dedicated separate earth pit 66 LA jumper connections is missing/ not proper 67 LA is charged/ installed but not meggared 68 Isolators/AB switch are properly aligned and its operation is smooth 69 Operating handle (not missing eye bolt) of isolator/AB switch is earthed using flexible cable 70 No joint in between entire length of operating pipe of isolator/AB switch 71 Guiding hook is provided for isolator pipe movement 72 Alignment of male and female contacts of isolators/AB switch and no spark during normal use 73 Proper fuse wire is used in DO fuse/HG fuse 74 Arching Horn is missing/ not aligned / not proper 75 Proper size of LT cable are used between transformer and LTDB/SMC LTDB/SMC LTDB/SMC LTDB 76 lockability and proper closing of door of LTDB/SMC LTDB 77 Gland plate and glands are used for cable entry in LTDB/SMC LTDB 76 No unused holes on gland plates 77 Availability of LTDB/SMC LTDB equipment as per approved drawing and scope of work like isolator, fuse, switch, bus bar, MCCB, MCB etc. 78 Installation of DTR as per BIS specification 79 LTDB/SMC LTDB earthing at different points using 8 SWG GI wire 80 Proper painting and No physical damages on LTDB/SMC LTDB 81 Suitable loop length of cables in LTDB/SMC LTDB 82 3 Nos earthing pit and earth mat /risers using 50X6mm GI Flat are used as under: No. a Earth Pit – 1 for Transformer Neutral, b Earth pit - 2 for Lightening Arrester, c Earth pit – 3 for Equipment body earthing 83 Deleted 84 Deleted 85 Quality of painting/galvanizing on substation structure 86 DTR is newly supplied 87 PG Clamps are used ( wherever needed as per drwg- Jumper etc) 88 Deleted 89 Earthing Electrodes short/missing 90 Commissioning Defect: DT charged/installed but not merged 91 Fasterers (Nuts/ Bolt/ Clamps /Connector) size not as per drawing /specification 92 Fasteners ( Nuts / bolts/ Clamps / connectors) in precarious state 93 Poles not erected properly (inadequate or missing brick bat/ foundation) 94 Stay installation is not proper : guy insulator missing ;inadequate depth 95 Earthing wire diameter undersize 96 Danger plate missing/improper 97 Earthing wire not secured / not dressed 98 Barbed wire missing/improper 99 DTR ground electrodes far too close 100 Earth pit to earth pit clearance not maintained 101 HT Fuse not provided 102 HT fuse unit jumpering not connected properly 103 MCCB of lower rating than specified in LOA 104 MCCB not installed 105 Inferior quality of Distribution Board used ( makeshift, locally fabricated DBs) ... more in document

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