REPAIR/MAINT OF EXTERNAL ELECTRIC OH LINES, UG CABLES AND ALLIED WORKS AND DG SETS, TRANSFORMER, FIRE FIGHTING SYSTEM AT NAD SUNABEDA, ODISHA UNDER GE (P) (NAVY) VISAKHAPATNAM

REPAIR/MAINT OF EXTERNAL ELECTRIC OH LINES, UG CABLES AND ALLIED WORKS

Excavation in trenches not exceeding 1.50 m wide and not exceeding 1.50 m in depth and getting out in soft / loose soil including levelling of bottom surface for laying cables/errection of poles etc complete all as per specified and directed.

Returning, filling in, including spreading, leveing, watering and well ramming in layers not exceeding 25 cm thick after laying of XLPE cable and testing complete all as per specified and directed.

Removal of excavated material [Soils] to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as per specified and directed.

Supply and laying Bricks; common burnt clay building bricks, sub-class ‘B’ designation 75 complete all as per specified and directed.

M&L for natural river sand as cushioning of cable, including spreading and punning down all as per clause No. 3.21 of SSR Part-I complete all as specified. Note - Punned thickness shall be measured for payment purpose complete all as per specified and directed.

Cutting existing road and laying of GI pipe medium grade 50mm size and filling with PCC Type B2 1:2:4 (40 mm graded aggregate)in surfaces and making good to match with existing surface complete all as per specified and directed.

Supply and fix in repair GI tube light grade with all fittings complete med grade nominal dia 50 mm confirming to of suitable thickness complete all as per specified and directed.

Supply and fix in repair GI tube light grade with all fittings complete med grade nominal dia 40 mm confirming to of suitable thickness complete all as per specified and directed.

Supply and laying in repair of XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable 10 Sqmm x 4core, heavy duty, with aluminium conductor, 1100 Volt grade, laid in treanchs/ ducts/ along wall / under road etc., including taking down or out existing unserviceable cable complete all as per specified and directed.

Supply and laying in repair of XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable 16 Sqmm x 4core, heavy duty, with aluminium conductor, 1100 Volt grade, laid in treanchs/ ducts/ along wall / under road etc., including taking down or out existing unserviceable cable complete all as per specified and directed.

Supply and laying in repair of XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable 25 Sqmm x 3.5core, heavy duty, with aluminium conductor, 1100 Volt grade, laid in treanchs/ ducts/ along wall / under road etc., including taking down or out existing unserviceable cable complete all as per specified and directed.

Supply and laying in repair of XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable 35 Sqmm x 3.5core, heavy duty, with aluminium conductor, 1100 Volt grade, laid in treanchs/ ducts/ along wall / under road etc., including taking down or out existing unserviceable cable complete all as per specified and directed.

Supply and laying in repair of XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable 50 Sqmm x 3.5core, heavy duty, with aluminium conductor, 1100 Volt grade, laid in treanchs/ ducts/ along wall / under road etc., including taking down or out existing unserviceable cable complete all as per specified and directed.

Supply and laying in repair of XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable 70 Sqmm x 3.5core, heavy duty, with aluminium conductor, 1100 Volt grade, laid in treanchs/ ducts/ along wall / under road etc., including taking down or out existing unserviceable cable complete all as per specified and directed.

Supply and laying in repair of XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable 10 Sqmm x 2 core, heavy duty, with aluminium conductor, 1100 Volt grade, laid in treanchs/ ducts/ along wall / under road etc., including taking down or out existing unserviceable cable complete all as per specified and directed.

Demolition of cement concrete of any description and in any position complete all as per specified and directed.

M&L for Plain cement concrete (1:2:4) type B1 using 20mm graded crushed stone aggregate in coping of pole, concrete base work, protection of cable complete all as per specified and directed.

Material and labour for Cement Concrete in foundation, filling and mass concrete with PCC 1:3:6 type C-2 with 40 mm graded aggregate complete all as per specified and directed.

Supply and fixing in repair Steel tubular swaged poles complete with castiron base plate, finialtaperplug, bolts, nuts and screws as specified of type 410, SP–31, 9.00m long complete all as specified. Note: Earthwork Excavation, PCC, Coping will be measured and paid separately. Rate quoted by the contractor is deemed to be inclusive of two coats of aluminium paintover a coat of red oxide primer and embedded portion in concrete shall be treated with tarring and sanding complete all as per specified and directed.

M&L in repar Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as per specified and directed.

Supply and fixing in replacement PVC separator on LT OH line conductor for 4 wire including necessary nuts, bolts and fixing properly on ACSR conductor complete all as per specified and directed.

S&F in repair of Pin type, porcelain, vitreous, brown insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 100mm height, 65mm dia for 1100 volts grade complete all as per specified and directed.

S&F in repair of Shackle Type, Porcelain, vitreous, white, brown or green insulator including galvanised mild steel straps, washers, insulator bolts, washers and nuts, 75mm height, 90 mm dia for 1100 volts grade complete all as per specified and directed.

S&F in repair Aluminium conductor, steel reinforced, stringing ACSR conductor,of size 3 of 6/1 x 2.59 mm (Weasel), with and including dismantling old damaged conductor of any type, complete all as directed.

S&F in repair Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20cm size complete all as per specified and directed.

S&F in repair of Loop type insulator, vitreous porcelain, white, brown or green , Small size, with overall dimensions 65 x 90mm, clearance of hole 16mm for 1100 volts grade complete all as per specified and directed.

S&F MCCB 160Amp capacity, 4 Pole, 415Volt grade, rupturing capacity 36kA, with fixed thermal and magnetic setting, including making incoming and outgoing connections using copper thimbles / lugs of appropriate size, fixed in repair, complete all as per specified and directed.

S&F MCCB 63 Amp capacity, 3 Pole, 415Volt grade, rupturing capacity 16kA, with fixed thermal and magnetic setting, including making incoming and outgoing connections using copper thimbles / lugs of appropriate size, fixed in repair, complete all as per specified and directed.

S&F MCCB 100Amp capacity, 3 Pole, 415Volt grade, rupturing capacity 16kA, with fixed thermal and magnetic setting, including making incoming and outgoing connections using copper thimbles / lugs of appropriate size, fixed in repair, complete all as per specified and directed.

S&F MCCB 200Amp capacity, 4Pole, 415Volt grade, rupturing capacity 36kA, with fixed thermal and magnetic setting, including making incoming and outgoing connections using copper thimbles / lugs of appropriate size, fixed in repair,complete all as per specified and directed.

S&F MCCB 125Amp capacity, 3Pole, 415Volt grade, rupturing capacity 16kA, with fixed thermal and magnetic setting, including making incoming and outgoing connections using copper thimbles / lugs of appropriate size, fixed in repair, complete all as per specified and directed.

M&L for spray painting of Panals/OBCs/RMUs at site and applying two coat of synthetic enameled grey paint/Siliver paint and suitable colours paint of site after removing all dust & rust and paint shall confirm to IS-2032, including repairs to door hinges complete all as per specified and directed.

Material and labour in repair for cable jointing kit for 11KV (earthed) grade cable for outdoor termination Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 sqmm complete all as per specified and directed.

Material and labour in repair for cable jointing kit for 11KV (earthed) grade cable for indoor termination Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 sqmm complete all as per specified and directed.

Supply and fixing cable jointing kit for 11 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 Sqmm to 185 sqmm, Indoor/Outdoor type complete all as specified and directed

REPAIR/ MAINT DG SETS, TRANSFORMER, FIRE FIGHTING SYSTEM

Maintenance and servicing Diesel Generator Sets including connected Alternator and carrying out routine 'B' check of the engine complete for smooth functioning all as per manufacturer's instructions and as directed. Note :- (a) Control switches such as MCCB, Main switch, contactors, multi display meter and engine control unit shall be out of scope of the item of work and the rate quoted shall exclusive of servicing/ maintenance of the above said fittings. (b) 'B' check shall be carried out once in every YEAR months or 500 hours of running of DG Set whichever is earlier. Servicing of DG Set alonwith connected Alternator and Panel Board including items covered in 'A' & 'B' check of the Engine shall also be carried out in that month as directed by the Engineer-in-charge and the Contractor shall carry out periodical inspections during the maintenance period and he shall be responsible for the smooth functioning of the DG Set and shall also attend all the maintenance works as and when required in that period except in case of Major repairs. (c) Spare parts, engine oil, distilled water and radiator coolant oil required for replacement during the maintenance period shall be measured and paid separately at supply only rates and cost of labour for fixing these spares/filling of oils shall be deemed to be included in the rate quoted for this item. (d) Cost of all consumables required during the maintenance period shall be deemed to be included in the rate quoted for this item. (e) List of checks to be carried out under 'B' check is attached as Appendix 'B' to the Particular specifications.

62.5 KVA at Watch tower pump house(1 No)

125 KVA Capacity at Depot SS area (1 Nos)

125 KVA Capacity at Depot SS for perimeter area (1 Nos)

160 KVA capacity No-1 at NCN (1 Nos)

160 KVA capacity No-2 at NCN (1 Nos)

62.5 KVA at Watch tower pump house(1 No)

125 KVA Capacity at Depot SS area (1 Nos)

125 KVA Capacity at Depot SS for perimeter area (1 Nos)

160 KVA capacity No-1 at NCN (1 Nos)

160 KVA capacity No-2 at NCN (1 Nos)

Supply only fuel filter and water separator elements

DG set of capacity 62.5 KVA

DG Set of capacity 125 KVA

DG Set of capacity 160 KVA

Supply only lube /engine oil filter/cartridges as per sample and make of the following capacities of DG sets

DG set of capacity 62.5 KVA

DG Set of capacity 125 KVA

DG Set of capacity 160 KVA

Supply only Air Filter elements (inner/outer element set complete) of following DG Set as given bellow :-

DG set of capacity 62.5 KVA

DG Set of capacity 125 KVA

DG Set of capacity 160 KVA

Supply and filling radiator coolant

Supply and filling distilled water

Supply and filling engine oil of Grade 20W40

Supply only fan belts for replacement of u/s fan belts of following capacities of DG set as per sample size complete all as specified and directed.

DG set of capacity 62.5 KVA

DG Set of capacity 125 KVA

DG Set of capacity 160 KVA

M&L for Overhauling of following mentioned radiator assy of following DG sets by disconnecting and removing from engine, dismantling the top & bottom chambers, descaling the sediments and scales, corrosion etc by means of acid cleaning and high pressure water washing, air cleaning, re-assembling the same with new gaskets, including arresting leakage, if any and fixing to the engine with new hoses, clipes complete all as specified and directed. Note : The rate quoted shall be inclusive of transporting of the radiator to the workshop and back and all incidental charges.

DG set of capacity 62.5 KVA

DG Set of capacity 125 KVA

DG Set of capacity 160 KVA

Supply only Lead acid battery PVC body 12 volt 180 AH

Supply only Lead acid battery PVC Body 12 volt 150 AH

Supply only Voltage Regulator (AVR) suitable for DG set of capacity 125 KVA

Supply only Voltage Regulator (AVR) suitable for DG set of capacity 62.5 KVA

Supply only Low Oil pressure Switch 12V 1.7 kg/Sq.mm

Supply only battery lead

Supply only stopping solenoid 12 Volt suitable for the following DG sets

DG set of capacity 62.5 KVA

DG Set of capacity 125 KVA

DG Set of capacity 160 KVA

Supply only battery terminal made of brass with nut and bolt etc complete all as specified and directed.

Supply only Radiator hose flexible suitable for the following DG sets

DG set of capacity 62.5 KVA

DG Set of capacity 125 KVA

DG Set of capacity 160 KVA

Supply only Hose plain for water pump suitable for the following DG sets

DG set of capacity 62.5 KVA

DG Set of capacity 125 KVA

DG Set of capacity 160 KVA

M&L in replacement of Mild Steel ERM pipe 150mm bore, 5.4mm thickness, heavy grade, ISI Marked, confirming to IS 3589-1991, with all fittings such as bends, elbows, tees, short pieces, connectors, back nuts, diminishing pieces, caps plugs and unions etc., including taking down old pipe in any position, complete all as specified and directed. (Make: JINDAL / PRAKASH / ZENITH)

M&L in replacement of Mild Steel ERM pipe 100mm bore, 5.4mm thickness, heavy grade, ISI Marked, confirming to IS 3589-1991, with all fittings such as bends, elbows, tees, short pieces, connectors, back nuts, diminishing pieces, caps plugs and unions etc., including taking down old pipe in any position, complete all as specified and directed. (Make: JINDAL / PRAKASH / ZENITH)

S&F in replacement of Fire hydrant stand post 80mm dia GI/MS both ends flanged type 1.50m height, with provn of single outlet confirming to IS 908, fixed in replacement of, complete all as specified and directed. (Make: MINIMAX / FIREX / SAFEX)

S&F in replacement of Sluice valve 150mm dia, cast iron body, PN-1.6, with flanged ends drilled at both ends, conforming to IS-14846, ISI marked, having brass spindle with iron wheel at top, with nuts, bolts , washers, rubber gasket etc, complete all as specified. (Make: KIRLOSKAR / L&T / UPADHYAY/ LEADER )

S&F in replacement of Sluice valve 100mm dia, cast iron body, PN-1.6, with flanged ends drilled at both ends, conforming to IS-14846, ISI marked, having brass spindle with iron wheel at top, with nuts, bolts , washers, rubber gasket etc, complete all as specified and directed. (Make: KIRLOSKAR / L&T / UPADHYAY/ LEADER )

S&F in replacement of 63mm dia 15m long hose complete with male and female coupling, conforming to IS-903, complete all as specified and directed. (Make: MINIMAX / FIREX / SAFEX)

S&F in replacement of branch pipe gun metal 63mm dia instantaneous inlet, made threaded outlet, 15mm bore nozzle long, complete all as specified and directed. (Make: MINIMAX / FIREX / SAFEX)

S&F in replacement of Hose box made of 18 gauge MS Sheet 800mm X 600mm X 250mm with double door with 4mm thick glasses door with necessary locking arrangements and door frame made of 16gauge MS sheet painted fire red out side and brilliant white inside yard, fixed to wall, internal, suitable for fixing two hose reel of 30m long, complete all as specified and directed. (Make: MINIMAX / FIREX / SAFEX)

S&F in replacement of Hose reel of 20mm dia and 30mtr long confirming to IS-5132, complete all as specified and directed. (Make: MINIMAX / FIREX / SAFEX)

S&F in replacement of Water pressure gauge standard dia [100mm dial 0-14Kgs] at delivery side of the pump set, complete tubing fitted with stop cock, complete all as specified and directed. (Make: HGURU / TAYLOR/ FIEBIG)

S&F in replacement of Gun metal gate valve of 50 mm dia complete all as specified.

S&F in replacement of Gun metal gate valve of 25 mm dia complete all as specified and directed.

S&F in replacement of Electrical operated Water Pressure switch with necessary mounting / connection with control wiring with conductor, and mechanical connection to operate at pressure range of 0-14Kg/Sqcm for automation, complete all as specified and directed. (Make: HGURU / TAYLOR/ FIEBIG)

Supply, and replace defective/ unserviceable four way fire brigade inlet with isolation valve with instantaneous gun metal coupling 63mm dia complete all as per fire standards made out of 150mm dia class 'B' MS pipe complete all as specified and directed. (Make:-WINCO/ AAG / MINIMAX / NEW AGE)

Excavation in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth for laying of pipe line and the like, getting out in hard/ dense soil, complete all as specified and directed.

Removing excavated material to a distance n.ecx 50m and dipositing where directed at a leveln.exc. 1.50m above the starting point complete all as specified and directed.

Returning, filling in including spreading levelling, watering and well ramming in layers n.exc. 25cm in hard/ dense soil, complete all as specified and directed.

M & L for pressure testing of existing CI / DI / MS of water supply / fire lines of 150 mm dia for identifying leakages for rectifications including replacement of gland packing of sluice valves, rubber insertion packing, nut ,bolts etc of flanged joints / defective flanges etc complete for making the system leak proof complete all as specified and directed. Note: (a) The rate quoted is deemed to be inclusive of T&P such as air compressor for pressure testing etc (b) Earthwork, DI / MS pipe & specials required for rectification if any shall be measured and paid separately under relevant items BOQ. (c) Pressure test will be carried out either complete network or partial pipelines of any size / distance as per ground requirement.

M & L for arresting water leakage from sluice valve, by refacing, regrinding of sluice Valve, Repacking stuffing box of sluice valve spindle including taking apart and reassembling the same including replacing old check nuts with new one made out of MS / CI material, with and including replacing perished gland packing, rubber gasket, bolts and nuts complete all as specified and directed for the following sizes :-

80 mm dia bore

100 mm dia bore

150 mm dia bore

All as per item No 79.00 above but for 100 mm dia pipe

All as per item No 79.00 above but for 150 mm dia pipe

M & L Preparation of old painted steel surfaces of any description of Fire hydrant stand post 80mm dia GI/MS both ends flanged type 1.50m height with single outlet and Hose box made of MS Sheet 800mm X 600mm X 250mm with double door and the accessories of the fire hydrant post complete and applying with a coat of zinc chrome primer and two coats of postal red colour epoxy paint complete all as specified and as directed.

Supply and Fix in replacement "Fire Hydrant Blanking Cap of PVC for closing the fire hydrant valves of 63/80 mm dia complete along with chain complete all as specified and directed.

Supply and Fix in replacement "Fire Hydrant Hand Wheel" for closing the fire hydrant valves of 63/80 mm dia complete all as specified and directed.

Supply and Fix in repair Female outlet (Adapter) Gun metal in existing Hydrant valve (both type A and B) of size 63mm all as specified and directed.

Material and labour for taking down defective foot valves from UG Sump, removing corrosion and painting with one coat of red oxide along with black enamel paint and replacing rubber gaskets, foot valve bottom rubber with spring complete with renewal of necessary bolts, nuts, washers complete all as specified for 150 / 100 mm dia size of foot valves. complete all as specified and directed.

Opening, cleaning and checking of Air Tank and connected accessories, and kept in operational condition without any leakages, complete all as specified and directed.

Opening, cleaning and checking of NRV valves and system and replacing washers, gaskets and kept in operational condition without any leakages, complete all as specified and directed.

Removing hose and branch pipe from hose cabinet, cleaning and checking of box, locking arrangements, replacement of glass and unserviceable items, complete all as specified and directed.

Checking and pressure testing of CP hoses and binding of hoses with copper wire, checking, testing and rectification of male and female couplings, complete all as specified and directed.

Repair/maintenance and servicing of step down transformer 11 KV/433 Volt of capacity 160 KVA, comprising following work services mentioned in below :- (Make: Alfa Electricals) :-

Disconnection carefully of cable end termination of HT & LT side.

Opening of top cover by removing nuts, bolts and all mounting accessories and conservator tanks.

Draining out transformer oil and keeping aside in barrel for re-use and then again pouring back after necessary filteration and dehydration including top up with new transformer oil to make up the reduced quantity.

Replacement of top and bottom Gaskets.

Servicing of tap changing gears by cleaning and polishing tapping contact points.

Labour only for Cleaning of bush and stud both HT/LT side and refixing the same with new cock sheet as required

Replacing unserviceable stud and bush as required as directed by Engr-in-Charge.

Reconnection of all cable terminals HV & LV sides and refixing the top cover after replacement of gaskets, conservator tank in position.

Cleaning and heating of silica gel in breather and replenishing with new silica gel to make up the reduced quantity.

Connecting HT & LT side with existing incoming and outgoing cables including reconnection of earth strip/lead.

Filteration and dehydration of transformer oil, New transformer oil shall be measured separately.

Ditto all as per Item No. 91.00 above but transformer of capacity 200 KVA.

Ditto all as per Item No. 91.00 above but transformer of capacity 63 KVA.

Filteration and dehydration of old transformer oil and removing of sludge by continuous circulation through transformer oil filtration plant with heater strips to achieve dielectric strength of not less than 50 KV at 2.5 mm gap of electrode as per IS-1866(1985) and improvement of acidity by minimizing percentage of acidity using chemical reagents all as spedified and as directed.

Supply and filling in replacement of transformer oil having di-electric strength not less than 50 KV at 2.5 mm gap after initial dehydration/filteration conforming to IS 335 and ISI marked all as directed.

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