Military Engineer Services-MES has published Tender For Repair / Maintenance Of All Type Of Dg Set, Amf Panel And Other Connected Works In Desidoc / Ceptam / Issa Lab, Sag Bhaskar, Old Lastec, Jcb Lab At Metcalfe House Under Ge I Rnd Delhi. Submission Date for this Tender is 16-12-2023. Diesel Generators Tenders in delhi Delhi. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 29-Nov-2023 | Corrigendum01 | BOQ | 09-12-2023 |
| 2 | 09-Dec-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 16-12-2023 |
| Sl. No. | Item Description |
| 1 | M&L for B check general servicing by authorised rep of manufacturer of DG set of capacity 125 KVA, replacement of oil filter, fuel filter, air filter, by pass filter cleaning of radiator with chemical afterdraining out engine/ lubrication oil, coolant flushing and cleaning of oil chamberafter opening of tappet cover/ top cover tappet clearence setting with injector timing adjustment reaffixing of tappet/ top cover including replacement of tappet cover packing set, bonding and leak proof sollution, oil pan/ chamber gasketat the servicing and other work comes under B Check service as mentioned in B Check by the manufacturer complete all as speciied and as directed. Note :- Engine oil & Coolant shall be paid separately under respective item. |
| 2 | All as per Ser item No 1 but of capacity 180 KVA |
| 3 | All as per Ser item No 1 but of capacity 200 KVA |
| 4 | All as per Ser item No 1 but of capacity 250 KVA |
| 5 | All as per Ser item No 1 but of capacity 300-380 KVA |
| 6 | All as per Ser item No 1 but of capacity 750 KVA |
| 7 | M&L in repair of self starter 12 V including rewinding of armature with super enamelled copper conductor wire of superier quality as per existing gauge, turn and pattern and replacement of bendex drive, carbon brush including services suitable for DG set 125 KVA. Complete all as specified and directed. |
| 8 | M&L in repair of self starter 24 V including rewinding of armature with super enamelled copper conductor wire of superier quality as per existing gauge, turn and pattern and replacement of bendex drive, carbon brush including services suitable for DG set upto 250 KVA. Complete all as specified and directed. |
| 9 | M&L in repair self starter 24 V including rewinding of armature with super enamelled copper conductor wire of superier quality as per existing gauge, turn and pattern and replacement of bendex drive, carbon brush including services suitable for DG set upto 750 KVA, complete all as specified and directed. |
| 10 | Supply & Fixing in replacement of automatic battery charger with auto cut OFF suitable for charging of 2X12V 180AH batteries complete with all required necessary wiring, complete all as specified and directed. |
| 11 | M&L in replacement of wiring complete to AMF panel for any capacity of DG set includinginterlock system of AMF panel with existing size of copper wiring including proper connection and testing, complete all as specified and directed |
| 12 | Supply and Fix in replacement of self starter 24 volts suitable for upto 250 KVA DG sets, complete all as specified and directed. |
| 13 | Supply and Fix in replacement of self starter 24 volts suitable for upto 750 KVA DG sets, complete all as specified and directed. |
| 14 | Supply and Fix in replacement of battery brass terminals heavy duty suitable for 12V 180 AH battery with minimum 2 RM Battery Lead of copper Cable single core, complete all as specified and directed. |
| 15 | Supply and Fixin replacement ofrelay 24 V 8 pin type as per matching to existing and properly connection and testing after completion, complete all as specified and directed. |
| 16 | Supply and Fix in replacement ofengine starting relay suitable for DG set of capacity 125 KVA to 200 KVA as per matching to existing, complete all as specified and directed. |
| 17 | Supply and Fix in replacement ofengine starting relay suitable for DG set of capacity more than 200 KVA to 250 KVA as per matching to existing,complete all as specified and directed. |
| 18 | Supply and Fix in replacement ofengine starting relay suitable for DG set of capacity more than 250 to 750 KVA as per matching to existing, complete all as specified and directed. |
| 19 | Supply and Fix in replacement of Electronic timer suitable for AMF panel of DG setas per matching to exisitng, 230 V AC 50 Hz, complete all as specified and directed. |
| 20 | Supply & Fix in replcement of Voltmeter analog type for voltage range of (0-24V) as per matching to existing complete with all accessories and wiring, complete all as specified and directed. |
| 21 | Supply & Fix in replcement of Voltmeter analog type for voltage range of (0-500V) complete with all accessories and wiring, complete all as specified and directed. |
| 22 | Supply & Fix in replcement of Ammeter analog type for current range of (0-24Amps) as per matching to existing complete with all accessories and wiring, complete all as specified and directed. |
| 23 | Supply & Fix in replcement of Ammeter analog type for current range of (0-1000Amps) as per matching to existing complete with all accessories and wiring, complete all as speciied and directed |
| 24 | Supply & Fixingin replacement of power contactor ML-6 suitable for AMF panel of DG sets as per matching to existing, complete all as specified and directed. |
| 25 | All as per item No 24 above but power contactor ML-4 suitable for AMF panel of DG sets a per matching to existing, complete all as specified and directed. |
| 26 | All as per item No 24 above but power contactor ML-3 suitable for AMF panel of DG sets a per matching to existing, complete all as specified and directed. |
| 27 | All as per item No 24 above but power contactor ML-2 suitable for AMF panel of DG sets a per matching to existing complete all as specified and directed. |
| 28 | Supply and Fix in replacement of selector switch suitable for voltmeter and Ammeter complete all as specified and directed. |
| 29 | Supply and Fixin replacement of under voltage relay suitable for DG set upto 250 KVA. Complete all as specified and directed. |
| 30 | Supply and Fixin replacement of under voltage relay suitable for DG setabove 250 KVA to 750 KVA, complete all as specified and directed. |
| 31 | Supply and Fixin replacement of complete wiring with 2.5 sqmm single core multistranded copper cable with flexible conduit for DG set of various capacities, complete all as specified and directed. |
| 32 | S&Fin replacement and testing Electronic Governor Controller for125 KVA to 250 KVA DG Set, complete all as specified and directed. |
| 33 | S&F in replacementand testing Electronic Governor Controller for 200 to 750 KVA DG Set. Complete all as specified and directed. |
| 34 | S&F in replacement actuator for upto capacity 250 KVA DG Set complete, complete all as specified and directed. Make : Cummins or equavalent as approved by GE. |
| 35 | S&F in replacement actuator for capacity more than 250 KVA to 750 KVA DG Set complete. Complete all as specified and directed. Make : Cummins or equavalent as approved by GE. |
| 36 | Opening the DG set of 125 to 250 KVA , repair to any leakage in radiator, greasing of all movable parts & equipments and replacing allflexible/steel wire mesh type hose pipes including fuel pipe line,belts & Bearings including re-assembling the complete Parts and testing complete all as specified and directed. Make of engine Oil :- Servo/Castrol. Note :- Following spare parts shall be measured and paid under respective items. |
| 37 | Supply onlyPiston ring and liner for 180 to 250 KVA DG Setas per existing make & OEM complete.Complete all as specified and directed. |
| 38 | Supply only Head valve, Head Guide, Head sheet & Head seal for 125 to 250 KVA DG Setas per existing make & OEM complete. Complete all as specified and directed. |
| 39 | Supply only Injector sleeves & Head gasket for 125 to 250 KVA DG Setas per existing make & OEM complete.Complete all as specified and directed. |
| 40 | Supply only Packing Kit for 125 to 250 KVA DG Setas per existing make & OEM complete.Complete all as specified and directed. |
| 41 | Supply only Head and fuel injector assembly complete for 125 to 250 KVA. Complete all as specified and directed. |
| 42 | Supply only Turbo assembly completefor 125 to 250 KVA. Complete all as specified and directed. |
| 43 | M&L for Opening the DG set of capacity more than 250 KVA and less than 750 KVA capacity, repair to any leakage in radiator, greasing of all movable parts & equipments and replacing allflexible/steel wire mesh type hose pipes including fuel pipe line ,belts & Bearings including re-assembling the complete Parts and Testing complete all as specified and directed. Note :-Following spare parts shall be measured and paid separately under respective items. |
| 44 | Supply only Piston ring and liner for above 250 KVA to 380 KVA DG Setas per existing make & OEM complete, complete all as specified and directed. |
| 45 | Supply only Head valve, Head Guide, Head sheet & Head seal for above 250 KVA to 380 KVA DG Setas per existing make & OEM,complete all as specified and directed. |
| 46 | Supply only Injector sleeves & Head gasket for above 250 KVA to 380 KVA DG Setas per existing make & OEM complete all as specified and directed. |
| 47 | Supply only Packing Kit for above 250 KVA to 380 KVA DG Setas per existing make & OEM complete all as specified and directed. |
| 48 | Supply only Head and fuel injector assembly complete for above 200 to 380 KVA, complete all as specified and directed. |
| 49 | Supply only Turbo assembly completefor above 250 KVA to 380 KVA, complete all as specified and directed. |
| 50 | M&L for opening the DG set of 750 KVA , repair to any leakage in radiator, greasing of all movable parts & equipments and replacing allflexible/steel wire mesh type hose pipes including fuel pipe line,belts & Bearings including re-assembling the complete Parts and Testing complete all as specified and directed. Note :-Following spare parts shall be measured and paid separately under respective items. |
| 51 | Supply only Piston ring and liner for 750 KVA DG Setas per existing make & OEM complete, all as specified and directed. |
| 52 | Supply only Head valve, Head Guide, Head sheet & Head seal for 750 KVA DG Setas per existing make & OEM complete, all as specified and directed. |
| 53 | Supply only Injector sleeves & Head gasket for 750 KVA DG Setas per existing make & OEM complete, all as specified and directed. |
| 54 | Supply only Packing Kit for 750 KVA DG Setas per existing make & OEM,complete all as specified and directed. |
| 55 | Supply only Head and fuel injector assembly complete for 750 KVA. Complete all as specified and directed. |
| 56 | Supply only Turbo assembly completefor 750 KVA, complete all as specified and directed. |
| 57 | Supply andFix in replacementFan belt of existing size for DG Set of capacity 125 to 200 KVA, complete all as specified and directed. |
| 58 | Supply andFix in replacement Fan belt of existing size for DG Set of capacity 250KVA to 380 KVA, complete all as specified and directed. |
| 59 | Supply and Cladding with glass/rock wool and aluminium sheets of exhaust manifoldforfor DG sets125KVA includung removing of existing asbestos rope or any other type of insulation, complete all as specified and directed. |
| 60 | Supply and Cladding with glass/rock wool and aluminium sheets of exhaust manifoldforfor DG sets 200 KVA includung removing of existing asbestos rope or any other type of insulation, complete all as specified and directed. |
| 61 | Supply and Cladding with glass/rock wool and aluminium sheets of exhaust manifoldforfor DG sets 250KVA includung removing of existing asbestos rope or any other type of insulation, complete all as specified and directed. |
| 62 | Supply and Cladding with glass/rock wool and aluminium sheets of exhaust manifoldforfor DG sets above 250 KVAto 750 KVA includung removing of existing asbestos rope or any other type of insulation, complete all as specified and directed. |
| 63 | S&F in replacement fly wheel ring of DG Set of capacity upto 125 to 250 KVA, complete all as specified and directed. |
| 64 | S&F in replacement fly wheel ring of DG Set of capacity 250 to 380 KVA, complete all as specified and directed. |
| 65 | Draining out the diesel tank, cleaning/washing out the sludge and re-filling with diesel for the DG Set of capacity 125 to 200 KVA, complete all as specified and directed. |
| 66 | Draining out the diesel tank, cleaning/washing out the sludge and re-filling with diesel for the DG Set of capacity above 200 KVA to 250 KVA, complete all as specified and directed. |
| 67 | Draining out the diesel tank, cleaning/washing out the sludge and re-filling with diesel for the DG Set of capacity 380 to 750 KVA, complete all as specified and directed. |
| 68 | S&F in replacement of Changeover switch on load front operated 320 Amps 4 Pole 415 volt complete including properly connecting incoming and outgoing cable andtesting after completion, complete all as specified and directed. |
| 69 | M&L for Repairingtoradiator of 125 to 250 KVA DG set ,arresting leakage if any by welding/brazing and refixing the same, complete all as specified and directed. Note :-Necessary coolant and distilled water required will be measured and paid seperately. |
| 70 | M&L forrepair toradiator of above 250 KVA to 380 KVA DG set,arresting leakage if any by welding/brazing and refixing the same, complete all as specified and directed. Note :-Necessary coolant and distilled water required will be measured and paid seperately. |
| 71 | S&F in replacement lead acid battery of size 12 Volt, 180 AH including charging complete all as specified and directed. |
| 72 | S&F in replacementinsulating material asbestos rope of existing size and shape, complete all as specified and directed. |
| 73 | M&L for Spray painting of diesel generating set of capacity 125 to 200 KVA with with accostic enclosure/ open type one coat of synthetic enamel paint body colour shall be apple green,black for foundation base frame, red for all guards for complete all as specified and directed. |
| 74 | M&L forSpray painting of diesel generating set of capacity 250 KVA with accostic enclosure one coat of synthetic enamel paint, body colour shall be apple green,black for foundation base frame, red for all guards for complete all as specified and directed.. |
| 75 | M&L forSpray painting of diesel generating set of capacity 380 KVA with accostic enclosure one coat of synthetic enamel paint, body colour shall be apple green,black for foundation base frame, red for all guards for complete all as specified and directed. |
| 76 | M&L for PCC (1:2:4) type B2 (using 20 mm graded stone aggregate) for foundation of pole complete all as specified and directed. |
| 77 | Supply and fixing in replacement of3 Pole MCCB,630Amp, 36 KA with microprosseor relese and Adjustable overload setting , 50 Hz, 415 V, complete all as specified and directed. |
| 78 | S&F in repair MCCB 125Amps 3 Pole, breaking capacity 35KA complete all as specified and directed. |
| 79 | All as per ser item No. 60.00 above but 100 Amp 3 Pole 25 KA, complete all as specified and directed. |
| 80 | All as per ser item No. 60.00 above but 250 Amp, 3 Pole,25 KA. |
| 81 | All as per item No 60.00 but of capacity 200A, 25 KA. |
| 82 | S&F in repair MCCB 400 Amps, 4 Pole, breaking capacity 36KA, complete all as specified and directed. |
| 83 | S&F in repair MCCB 250 Amps, 4 Pole, breaking capacity 36KA, complete all as specified and directed. |
| 84 | S&F in repair MCCB 630 Amps, 4 Pole, breaking capacity 50KA, complete all as specified and as directed. |
| 85 | Material and Labour for earthing complete with GI earth plate electrode 600mmx600mmx6mm thick burried in ground vertically to a depth not less than 2.25meters below ground level with top edge of the earth plate at a depth not less than 1.5 meter below the ground level, earth plate surrounded 15cm thick layers of common salt and charcoal dust starting from ground below 15 cm of earth plate and up to 15 cm above the same.GI plate connected with galvanised iron strip of 25x4 mmby means of Copper nuts, bolts and washers.Strip laid in 40mm dia light grade GI pipe as protection from top of the plate up to test point (cost of protection pipe up to 7.5 meters from earth electrode will be included in the rates quoted by the contractor) with following complete all as specified and shown in electrical plate No 3 of SSR Part-I & testing on completion :- (a)GI strip of size 25mm x 4mm. (b) Watering pipe GI light grade 20mm dia from top of the earth electrode up to MS funnel with wire mesh embeded in floor of PCC earth pit.(GI Funnel should properly tightned on GI watering pipe and embeded in PCC floor of earth pit with open top suitable for watering of earth pits) (c)Excavation & earthwork in any type of soil PCC earth pit 30x30x30cm constructed in PCC 1:2:4 type B1 exposed surfaces smoothly finished with 15mm thick cement mortar 1:6 plaster including RCC pit cover 50mm thick 1:2:4 type B1 reinforced with 8mm dia mild steel bar 75mm centre to centre with 2 Nos MS handles of 12mm dia suitable for carrying of pit cover. |
| 86 | M&L in replacement Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or burried in ground or drawn in conduit/pipe or any other indicated situation for loop earthing etc as required 25x4 mm galvanised iron strip complete all as specified and directed. |
| 87 | Supply and laying in replacement GI pipe light grade of 50mm dia including fittings laid in trenches or under road crossingfor protection of UG cable complete, complete all as specified and directed. |
| 88 | Supply and laying in replecement GI pipe light gradeof 80mm dia including fittings laid in trenches or under road crossingfor protection of UG cable, complete all as specified and directed. |
| 89 | M&L for boring of holes under road, pavement, hard standing by trenchless techonology using ultra sound technique/mannually/mechanically and necessary machine including supply and laying in replecement 100mm diaGI pipe light grade including making necessaryexcavation upto 1.5 mtr deep on both side of road for making holes and inserting 100mm dia GI Pipe,complete all as specified and directed. |
| 90 | M&L for repair to alternator of DG Set of capacity 180 to 200 KVA complete including rewinding & replacement of connected items such as bearing, sleeves Nut bolts, coupling etc complete all as specified and as directed |
| 91 | M&L forrepair to alternator of DG Set of capacity 250 to 380 KVA complete including rewinding & replacement of connected items such as bearing, sleeves,Nut, bolts, coupling etc complete all as specified and as directed |
| 92 | M&L forAuto Main Failure (AMF) panel made out of 2 mm thickCRCA sheet in Door , CPRI approved IP-54,powder coated conforming to IS 8623,totally enclosed,dust and vermin proof with front and rear openings of 415 Volts, 3 Phase, 4 Wire, AC 50 Hz having aluminium bus bar capacity required to carry current at 110% load of 200 KVA DG Set with three phase and half neutral colour coded, prewired with copper flexible cable of size 4 Sqmm all as specified with the following accessories, control cable from Gen Set to AMF panel & finishing complete with 7 tank process for powder coating in approved shade, having IP-42 degree of protection with hinged lockable doors, duly painted with epoxy based powder coated paint comprises of following, complete all as specified and directed :- (i) Micro processor based MCCB 3 Pole of suitable capacity as recommended by OEM, Manual draw out type with electrical Contactor, 500 Amps, 4 pole for alternator (DG supply and Main Supply) -02 nos. Make : ABB/Schneider. (ii) All controls indicators and standard fittings as follows: (a) Digital type Ammeter meter with in built selector switch of suitable capacity with CTs- 1 set. (b) Digital-type Voltmeter meter with in built selector switch of suitable capacity- 1 Set. (c) Multifunctional digital meter for KWH, KVA, KW Amps, Volts, frequency, power factor etc. -1 No. (iii) Functions:- (a) Supply failure timer and restroration - 1 no. (b) 3 impulse automatic engine Start/Stop logic. (iv) Announceation with indicators LED lamps for (a) Protective over loading relay- 1 No. (b) Low buld oil pressure, high water temperature, Engine over speed, battery low voltage, under voltage- 1 No., Earth fault relay- 1 No. (v) Controls (a) Load on indicators. (b) Load off indicators. (c) Engine start push button. (d) Engine stop push button. (e) Fault except/reset push button. (vi) Battery charging SMPS unit within auto built manual : (a) DC Volt meter. (b) DC Ammeter. (c) Charger rate selector switch. |
| 93 | M&L in replacement Auto Main Failure (AMF) panel made out of 2 mm thick CRCA sheet in Door, CPRI approved, IP-54, powder coated, conforming to IS 8623, totally enclosed, dust and vermin proof with front and rear openings of 415 Volts, 3 Phase, 4 Wire, AC 50 Hz having aluminium bus bar capacity required to carry current at 110% load of 380 KVA DG Set with three phase and half neutral colour coded, prewired with copper flexible cable of size 4 Sqmm all as specified with the following accessories, control cable from Gen Set to AMF panel & finishing complete with 7 tank process for powder coating in approved shade, having IP-42 degree of protection with hinged lockable doors, duly painted with epoxy based powder coated paint, comprises of following complete all as specified and dirceted :- (i) Micro processor based MCCB 3 Pole of suitable capacity as recommended by OEM, Manual draw out type with electrical contactor, 600 Amps, 4 pole for alternator (DG supply and Main Supply) -02 nos. Make : ABB/Schneider. "(ii) All controls indicators and standard fittings as follows: (a) Digital type Ammeter meter with in built selector switch of suitable capacity with CTs- 1 set. (b) Digital-type Voltmeter meter with in built selector switch of suitable capacity- 1 Set. (c) Multifunctional digital meter fro KWH, KVA, KW Amps, Volts, frequency, power factor etc. -1 No." "(iii) Functions:- (a) Supply failure timer and restroration - 1 no. (b) 3 impulse automatic engine Start/Stop logic. (iv) Announceation with indicators LED lamps for (a) Protective over loading relay- 1 No. (b) Low buld oil pressure, high water temperature, Engine over speed, battery low voltage, under voltage- 1 No., Earth fault relay- 1 No." "(v) Controls (a) Load on indicators. (b) Load off indicators. (c) Engine start push button. (d) Engine stop push button. (e) Fault except/reset push button. (vi) Battery charging SMPS unit within auto built manual : (a) DC Volt meter. (b) DC Ammeter. (c) Charger rate selector switch. " |
| 94 | Supply and Fixing in repair earth pit chamber alongwith cover of Polymer, FRP Pit Cover of heavy high grade polypropelene for high stress and starin level of size 225x300x195 mm complete all as specified and directed. |
| 95 | S&F in replacement ACP retro sign board of size 1.5x1.1 Meter using retro reflective high intensity prismatic reflective sheeting. The back ground of board is Blue Colour with white border and writing letter, numbers white colour mentioning the DG Set sub-station Details and Single line Schematic diagram of substation. Retro sign board shall be pasted on 3 mm thick ACP sheet. The board shall be fixed on Wall including fixing of fastners, nuts, bolts, washer etc complete all as specified and dirceted. Make:- ALOMAX/INDO BOND/ALUTEC |
| 96 | M&L in repair MS chequred plate of suitable size for cable duct cover 6mm thick and earth pit cover all as specified and directed. |
| 97 | Supply only Engine oil 20W/40 for DG Set, complete all as specified and directed. |
| 98 | Supply only Engine oil 15W/40 for DG Set, complete all as specified and directed. |
| 99 | Supply only Coolantfor DG Set, complete all as specified and directed. |
| 100 | Supply only Cotton Cloth for cleaning of DG Set, complete all as specified and directed. |
| 101 | Supply & fixing in replacement automatic sequencer includingsoftware of make Delta for 250 KVA DG Set with complete wiring and testing complete all as specified and directed. |
| 102 | M & L for Servicing to AMF panel of any size/make check all loose connection ofend terminal, screw, Nut Bolts, thimble. Clean all electric / electronic parts by using CRC spray, checked contactor connections and its serviciebility , check all realy setting of AMF Panel and check all internal connections of AMF Panel.inclhinges and locking devices, complete all as specified and directed. |
| 103 | Supply and laying in replacementof old unserviceable XLPE insulatedscreened, PVC bedded galvanised steel strip or wire armoured electric power cable (Heavy duty) with aluminium conductor, 1100 volts, grade cross sectional area 120 Sqmm, 3.5 core complete all as specified and directed. |
| 104 | Supply and laying in replacementof old unserviceable XLPE insulatedscreened, PVC bedded galvanised steel strip or wire armoured electric power cable(Heavy duty) with aluminium conductor, 1100 volts, grade cross sectional area 240 Sqmm, 3.5 core complete all as specified and directed. |
| 105 | Supply and laying in replacement of old unserviceableXLPE insulatedscreened, PVC bedded galvanised steel strip or wire armoured electric power cable(Heavy duty) with aluminium conductor, 1100 volts, grade cross sectional area 300 Sqmm,3.5 core complete all as specified and directed. |
| 106 | Excavation in trenches in soft/loose soil not exceeding 1.5m deep and not exceeding 1.5m in width and getting out for energised LT cables for carrying out brick work for protection of cable duct including taking out and relaying of LT Cables etc complete all as specified and as directed. |
| 107 | Excavation in trenches in hard/dense soil not exceeding 1.5m deep and not exceeding 1.5m in width and getting out for energised LT cables for carrying out brick work for protection of cable duct including taking out and relaying of LT Cables etc complete all as specified and as directed. |
| 108 | Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick as in soft/loose soil complete all as specified and as directed. |
| 109 | Removing surplus soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed. |
| 110 | Supply & laying dry fine sand for cushioning of underground cable laid in trenches/duct complete all as specified and as directed Note:- Punned thickness shall be measured and paid. |
| 111 | M&L in replacement sub class "B" burnt brick, flat across the cable, for protection of cable laid in trenches complete all as specified and directed |
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