Military Engineer Services-MES has published Tender For Repair ,Maintenance Of Lt Oh Lines, Ug Cables, Mccb,Main Switches,Lt Panel Board,Pole Painting, Earthing And Allied Works To Messess ,Billets , Otm Accn , Gis Area At Af Station Tambaram. Submission Date for this Tender is 27-09-2023. Railway Ancillaries Tenders in tambaram Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 20-Sep-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 27-09-2023 |
| Sl. No. | Item Description |
| 1 | Excavation in trenches not exceeding 1.5 metredeep and not exceeding 1.5 metrewide and getting out in hard/dense soil for laying cable, foundation for pole etc complete |
| 2 | All as per item No. 1 here-in-beforebut depth exceeding 1.5 metreand not exceeding 3.0 metre deep. |
| 3 | Returning filling in soil including providing cable cushioning with riddled earth obtained from excavation,leveling watering and well ramming in layers not exceeding 25cm thick over the cushion layer all as specifiedand directed. |
| 4 | Removingof surplus soil to a distance not exceeding 50 metreand depositing where directed at a level not exceeding 1.5 metreabove the starting point all as specifiedand directed. |
| 5 | M & L for brick protection to cable using old size sub class "B"bricks, laid flat, dry butt jointed, laid lengthwise perpendicular to the axis of cable all as specified directed. |
| 6 | Relaying of old serviceable bricks of any size removed from old cable trenches laid across trenches for cable protection. |
| 7 | M&L for plain cement concrete 1:4:8, type D2, using 40 mm graded stone aggregate for foundation, filling and mass concrete all as specified and as directed |
| 8 | M&L for plain cement concrete1:3:6, type C1, using 20 mm graded stone aggregate as in foundation/ coping of poles including necessary form work and finishing the exposed concrete surfaces even and fair all as specified and as directed |
| 9 | M&LforStraight through joints suitable for 3.5/4 core PVC insulated and PVC sheathed armoured LT underground cable with aluminium conductors including joint kits complete for making joints all as specified and as directed for the following : - Make :- Raychems / Densons / M-Seal /Birla-3M / CCI / Siemen |
| 10 | 3.5/4 core cable6 to 16Sq mm. |
| 11 | 3.5/4 core cable25 to 50Sq mm. |
| 12 | 3.5/4 core cable 70-120Sq mm |
| 13 | 3.5/4 core cable 150-185 Sq mm |
| 14 | 3.5/4 core cable 240-300 Sq mm |
| 15 | M&L for End termination indoor/out door heat shrinkablejoint kitssuitable for 3.5/4 core PVC insulated and PVC sheathed armoured LT underground cable with aluminium conductors including joint kits complete for making joints all as specified and as directed for the following : - Make :- Raychems / Densons / M-Seal /Birla-3M / CCI / Siemen |
| 16 | 3.5/4 core cable25 to 50Sq mm. |
| 17 | 3.5/4 core cable 70-120Sq mm |
| 18 | 3.5/4 core cable 150-185 Sq mm |
| 19 | 3.5/4 core cable 240-300 Sq mm |
| 20 | M&L for Sepatating pick and stacking stone aggregate spread in the installation yard of transformer/two/four pole structure aside for re use cleaning surface free from vegetation, grass etc.., all as directed by Engineer -in-Charge. |
| 21 | Supply and spread 20/40mm graded stone aggregate as approved quality for installation yard all as directed. |
| 22 | M/L for ACB 4 Pole, 415 V, Manual Drawout type with microprocessor release of capacity 800 Amps ACB 4 pole, 50 KA ruptaring capacity ,415 voltsfixed overload & fixed short circuit setting including disconnecting the incoming/outgoing cable connections and re-connecting with suitable aluminum lugs/ferruls etc. after taking out the existing unserviceableand making good the disturbed surface of capacity 800A complete all as specified and directed. |
| 23 | M&L for cutting, removing the vegetation growth and surface dressing all around the installation yard including 4/2 pole structure area to keep the installation area (external only) clean and tidy. Note :- All the sub station yards shall be kept clean through out the contract period by repeatedly removing the grass/ however weeds as and when ordered by Engineer-in-charge depending on the growth of the grass, however this item shall be measured and paid only once during entire contractperiod. |
| 24 | M&L for cutting chases on concrete surfacesfor concealed GI tubing/HDPE pipe, girth exceeding 10 cm but not exceeding 20 cm ,making good to facing and disturbed surface in cement morter 1:3and finished as per existing all as directed. |
| 25 | Taking out the existing LT UG cable ofany description of following size tofind out the fault and re-laying the serviceableLT UG cable 1100 Volts grade PVC insulated PVC sheathed amoured, heavy duty, in trenches/walls/poles/passing through pipes with multistranded aluminium conductor including necessarylugs/thimble/ferules connection, testing and commissioning complete all as specified. Note: [a]Earth work, excavation sand cusioning, bricks for protection, GI pipe, LT UG Cable Joints etc shall be measured separately under relevant items of this schedule .[b] Defective portion of cable shall be removed, serviceable cable shall be re-laid and balance withnewLT U/G cable .(C) New LT UG cable shall be measured and paidas Supply only LTUG cable under schedule /BOQitemNo 17 of this schedule. |
| 26 | 10 sqmm to 16 sqmm 2/4 core |
| 27 | 25 sqmm to 35 sqmm 3.5core |
| 28 | 50 sqmm to 120 sqmm 3.50 core |
| 29 | 150 sqmm to 240 sqmm 3.50 core |
| 30 | Supply and layingLT UG cable 1100 Volts grade XLPE insulated PVC sheathed amoured, heavy duty, in trenches/walls/poles/passing through pipes with multistranded aluminium conductor including lugs/thimble/ferules connection, testing and commissioningand taking out old UG cablescompletefor the following sizes.Note: [a]Earth work, excavation sand cusioning, bricks for protection, GI pipe, LT UG Cable Joints etc shall be measured separately under relevant items of this schedule . |
| 31 | 10 sqmm 2 core |
| 32 | 16 sqmm 2 core |
| 33 | 16 sqmm 4 core |
| 34 | 25 sqmm 3.5 core |
| 35 | 50 sqmm 3.50 core |
| 36 | 70 sqmm 3.50 core |
| 37 | 95 sqmm 3.50 core |
| 38 | 120 sqmm 3.50 core |
| 39 | 185 sqmm 3.50 core |
| 40 | 240 sqmm 3.50 core |
| 41 | 300 sqmm 3.50 core |
| 42 | 10 sqmm 4 core |
| 43 | 6 sqmm 2 core |
| 44 | M&Lfor GI tubing "Light" grade with all fittings for cable protection fixed on poles/walls/laid under roads crossing etc and made good the disturbed surfaces/area for following sizes of pipes :- |
| 45 | For 40 mm Bore |
| 46 | For 50 mm Bore |
| 47 | For 80 mm bore |
| 48 | For 100 mm bore |
| 49 | M&L for MCCB 4 pole, 415 voltsfixed overload & fixed short circuit setting including disconnecting the incoming/outgoing cable connections and re-connecting with suitable aluminum lugs/ferruls etc. including taking out the existing unserviceable MCCB and making good the disturbed surface for following capacity. |
| 50 | 160Ampswith breaking capacity 25 KA |
| 51 | 200 Amps with breaking capacity 36 KA |
| 52 | 250 Amps with breaking capacity 36 KA |
| 53 | 320 Amps with breaking capacity 36 KA |
| 54 | 400 Amps with breaking capacity 36 KA |
| 55 | 600 Amps with breaking capacity 65 KA |
| 56 | 100 Amps with breaking capacity 25 KA |
| 57 | 125 Amps with breaking capacity 25 KA |
| 58 | 63 Ampswith breaking capacity 16 KA |
| 59 | M&L for Steel tubular swaged poles complete with base plate 8mm thick welded with pole, finial taper plug, bolt, nut and screws as specified type 410 SP-31 (9m long) including one coat of red-oxide zinc chrome primer and two coats of aluminium paint on surfaces exposed to view and making 30cm wide strips (total 5 Nos) with white and black paint alternately on external surface above PCC benching including numbering with black paint and painting with bituminous paint internally complete and externally for portion embedded in PCC including dismantling of old type of poles any length , complete all as specified and directed. Note : Excavation & earth work and PCC shall be measrued and paid separately. |
| 60 | M&L for painting the existing steel tubular LT poles, 9m long including cross arms, channels, angle iron support, bracings, clamps etc. with two coats of aluminum paint superior quality of approved make on surfaces exposed to view and making 30cm wide strips (Total 5 Nos) with white and black paint alternately on external surface above PCC benching including preparation of old painted surfaces by scraping etc complete all as specified & directed. |
| 61 | M&L for cutting, trimming and prunning of trees/tree branches of any girth upto 4m all aroundexisting LT/HT over head lines including cleaning the disturbed area beneath the LT/HT overhead lines and removing the tree/ tree branches and debris from at site and depositing where directed at site. Note: (a) This item shall be measured and paid only once during entire contract period , however each span of LT over head line shall be clear from tree branch growth through out the contract period seperately. (b) Cutting trimming, prunning of tree / branches shall be carried out as and when ordered by Engineer-in-chragedepending on growth of tree (c) Approximate span between poles shall be 45m to 60m. |
| 62 | Taking down old serviceable conductors any description and re-stringing/ tightening of ACSR conductor (size- squirrel/ weasel/ ferret) / GI earth continuity conductor/ cradle up to the permissible saglimit between any span length and binding the with new binding wire of the same materielto insulators all as specified and as directed. Note :Approximate span between poles shall be45m to 60m. |
| 63 | Dismantling old and unserviceable ACSR conductor of any size /including disconnecting from the poles and depositing where directed. |
| 64 | Supply & fixingACSR conductor of any size including binding on existing LT/ HT poles or new poles with 2mm dia aluminium binding wire including jumper all as specified & directed . Make of ACSR:ICC/ NICCO/ BHARAT CONDUCTORS / Indian Aluminium Co. |
| 65 | Supply, fabricating and fixing mild steel cross arms (any type) supports, bracing stiffner etc made out of MS channel, angle iron , flat iron of any size including drilling of holes, making clamps, eye hooks, nuts, bolts and washers etc, welding if required including painting with two coats of aluminium paint over a coat of red oxide paint and taking down the existing all as directed. |
| 66 | Supply and fix Galvanised steel wire, 4mm dia, as in earth continuity conductors/ guarding cradles for LT OH lineincluding taking out old unserviceable and making good the disturbed surfaces all as specified and directed. |
| 67 | Supply and fix, shackle type porcelain vitreous white, green or brown insulators for working pressure 1100 volts, 90mm dia 75mm height including removal of existing insulators. Make:- MYSORE/ BHEL/ PORCELAIN /JAIPURIA BROS / Jayshree / WS Insulators |
| 68 | M&L for stay assembly complete with all accessories as shown in Electrical plate No. 1 of SSR Part-I all as specified and as directed including GI stay rod 20 mm dia 2150 mm long, MS stay plate of size 300 x 300 mm, 6mm thick GI stay bow including necessary bolts & nuts etc complete. Note : Excavation, foundation concrete, stay wire, clamps and loop insulator shall be measured and paid separately. |
| 69 | M&L for galvanised stay strand 7/ 3.15mm all as specified |
| 70 | M&L for pin type insulator, porcelain, vitreous, white, brown or green insulator of size 100 mm height, 65 mm dia for 1100 volts grade, including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron bolt including taking out the old unserviceable insulator and making good the all as specified and as directed. Make:- MYSORE/ BHEL/ PORCELAIN /JAIPURIA BROS / Jayshree / WS Insulators |
| 71 | M&L for M&L for loop type insulator, porcelain vitreous white or brown, with overall dimensions of 65mm x 90mm, clearance of hole 16mm all as specified and as directed including taking out old unserviceable insulator. Make:- MYSORE/ BHEL/ PORCELAIN /JAIPURIA BROS / Jayshree / WS Insulators |
| 72 | M&L for removing old/burnt out jumper connection in binding with HT/LT lines from position including re-binding the same with new binding wire of size 3.25mm aluminium wire all directed. |
| 73 | Material and labour for earthing complete with GI plate electrode 600x600x6mm thick, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of plate not less than 1.5m below ground level connected to earth lead of 32mm x6 mm GI strip means of bolts, nuts, washers of galvanized all as shown in electrical plate No.3 of SSR Part-I including necessary excavation and earth work.PCC 1:3:6 type C1 chamber, RCC cover, 50mm thick in cement concrete 1:2:4 type B1 with 6mm CTD 140mm centre to centre with suitable handle, watering pipe 20mm dia light grade pipe with funnel, charcoal salt,GI pipe 40mm dia for protest GI strip connected to earthing test point all as specified including testing and commissioning on completionall as specified and directed. |
| 74 | Taking out old U/S earthing incl all connected items, Material and labour for earthing complete with copper earth plate electrode 600x600x3.15mm thick, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of plate not less than 1.5m below ground level connected to earth lead of 20x3 mm copper strip means of bolts, nuts, washers, incl GI protection pipe 40mm size light grade all as shown in electrical plate No.3 of SSR Part-I including necessary excavation and earth work, levelling of ground level.PCC 1:3:6 type C1 chamber, RCC cover in 50mm thick 1:2:4 type B1 with 8mm CTD 140mm centre to centre with suitable handle, watering pipe 20mm dia light grade pipe with funnel, charcoal salt connected to earthing test point all as specified including testing and commissioning on completion all as specified and directed. |
| 75 | Supply and fixing insulating rubber mat of 1 mtr x 2 mtr x 2.5 mm thick all as specified and directed. |
| 76 | S&F of Danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters,figures and conventional skull and bones in single red colour and fixed with M S clamps, nuts and bolts of approved size, for HT, 25 x 20 cm size inculding taking down of old unserviceable complete all as specified and directed. |
| 77 | Supply and fix automatic transfer switchexecution rated voltage 415V AC 50 HZ type FP 200 Amps all as specified anddirected by the Engineer-in-charge including taking down existing main switches Make : Havells cat part No IHYFCDO200 or its equivalent make from list of makes. |
| 78 | Supply , install, test and commissioning of LT Panel board suitable for 3 phase 415 Volt of both side opening double door with push type metal lock, heavy duty wide hinges, separate common across cable aley,made out of 2 mm CRCA Sheet with angle iron frame of size (50 x 50 x 6 mm)and MC channel of size (75 mm x 40 mm) for panel base outdoor type,free standingcubical type totally enclosedweather dust and vermin proof with front and rear opening with locking arrangementof 440 Volts 3 phase 4 wire 50 Hz having copper bus bar of capacity600 Amps, with IP 54 as per IS 13947 protection, and half neutral with aluminiumbus bar RYB duly insulated complete including internal wiring with copper conductor, provn of suitable cable glands including two coats of primer and one coat of spray painting including connecting all incoming and outgoing cable feeders with necessary lugs ferrules etc . including pcc foundation support , well finishing with cement mortar.Comprising of the following switch gear and accessories are as under complete all as specified and as directed by Engineer-In-Charge (a) Mains Incomming : MCCB, 400 Amps, 36 KA, 4 pole,Thermal Magnetic release type -01 No (b) Outgoing : (i) MCCB 250 Amps 2 Pole, 25 KA-02 No(ii) MCCB 160 Amps 4 Pole, 25 KA-01 No, (iii) MCCB 125 Amps 4 Pole, 25 KA-04Nos(iv) MCB 40 Amp,4 pole-02 Nos (c) Multifunction meter 4410 LED meter Cl 1 Make : L&T catpart No WL441010OOOO -01 No (d) Digital Amp meter 0-400 amps complete with selector switch & CT coil-01 No. (e) Digital Volt meter 0-500V complete with selector switch. and accessories-01 No. (f)Set of indicating lampRYB -01 Set. |
| 79 | Supply & fixingoff load changeover switch with enclosure execution rated voltage 415V -AC 50 HZ type TPNall as specified & directed by the Engr-in-charge including taking down existing main switches directed for63 Amp |
| 80 | All as per Sl.item No. 40 above but for 200Amps |
| 81 | Supply and fix automatic transfer switch with enclosure execution rated voltage 415V AC 50 HZ type FP 200 Amps all as specified anddirected by the Engineer-in-charge including taking down existing main switches Make : Havells cat part No IHYFCDE200 or eqivalent from list of Makes |
| 82 | Supply & fixing in repairs 400 Amp Euroload for pole changeover with sheet enclosureadvance neutral on load changeover switch open execution rated voltage 415V -AC 50 HZ type FPall as specified and directed |
| 83 | M&L for servicing to indoor/outdoor LT panel board installed at AFS Tambaram, opening up all cubical doors, cleaning with air blower, removing the burnt out unserviceable instruments, copper wiring kit, and burnt out unserviceable extented copper terminals/ copper cable and replacing with new copper extented terminal bus bar with suitable size along with required nut bolt, washers, and replacing the measuring instruments like Ammeter with existing size of the CT, Volt meter, indicating lamps of LED type"R Y B"cleaning with CTC to serviceable parts like MCCB"s, all terminals, replacement of damaged aluminum lugs any description of LT U/G cables in coming and out going, welding of broken door with suitable hinges, replacement of deterioated copper wiring with suitable copper conductor with circuit indicator replacement of sheared rubber beadings to door of panels, including preparing the existing surface for spray painting to powder coated surface with two coat of synthetic enameled paint of approved colour, marking of incoming and out going feeder with fluorecent stickers incl preparation of the surface of panel complete all as specified and directed. |
| 84 | Note for Sl.item No. 44 : [i] The rates are deemed included for cleaning with CT Coil and terminating of LT U/G cable any description and wiring kits with suitable copper conductor along with connector, painting,and marking with Incoming & Outgoings details of the panels with fluorescent strickersand necessary bolt, nut and washers etc. [ii] The spares are like Aluminum lugs, sheared rubber gasket of panel doors, indicator lamp, volt meter, Amps meter, and selector switch, copper conductor cable other than wiring kit shall be measured and paid separatly under relevant items of this schedule as supply only. |
| 85 | Supply Only Volt meter digital type 0 - 500 Volts |
| 86 | Supply Only Amp meter digital type 0 - 500 Amp |
| 87 | Supply Only Aluminium legs suitable for 70 sqmm to 150 sqmm cables |
| 88 | Supply Only Aluminium legs suitable for 185 sqmm to 300 sqmm cables |
| 89 | Supply Only Aluminium legs suitable for 25 sqmm to 50 sqmm cables |
| 90 | Supply only Indicator lamp LED type "R" "Y" "B" |
| 91 | Supply only CT coil of size4x4 ratio 100/5 Amps |
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