ARMO Works of EandM Installations during 2023 2024. SH Miscellaneous and unforeseen electrical works for Ground Lighting Facilities of Madurai Airport

Amount

Supply of 1C X6 Sqmm, 5 KV grade single core, stranded copper conductor PVC insulated and PVC sheathed ,unarmoured ,underground unscreened ,Anti-rodent & Anti-termite treated Airfield Lighting Cable generally confirming to IS 1554 Part II with upto date amendments as required.

Supply of 1C X16 Sqmm, 5 KV grade single core, stranded copper conductor PVC insulated and PVC sheathed ,unarmoured ,underground unscreened ,Anti-rodent & Anti-termite treated Airfield Lighting Cable generally confirming to IS 1554 Part II with upto date amendments as required.

Supply of XLPE insulated PVC sheathed, Armoured Aluminium conductor power cable of 1.1 KV grade of following size etc as per IS 7098 part I 1988 with uptodate amendments etc complete as required. 3C X 25Sq.mm

Supply of series isolating transformer of rating 200W, 20A/6.6A of 5KV grade suitable for Runway light fittings etc as per particular specifications.

Supply of following size DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting etc. OD-63 mm & ID-51mm nominal

Laying of 63 mm dia (OD-63mm & ID-51 mm nominal) DWC HDPE pipe/50mm dia GI Pipe direct in ground (75 cm below ground level) including cutting & jointing in all type of soil/hard rock/gravel/bitumen road including excavation and refilling the trench but excluding sand cushioning and protective covering etc. complete as required.

Supply of 16 Sq mm, 5 KV grade dry type plug and receptacle of type I , class B primary connector kit with field attachment and suitable for 5KV grade single core copper conductor,PVC insulated PVC sheathed AFL cable complete as required .

Supply of 6 Sq mm, 5 KV grade dry type plug and receptacle of type I , class B primary connector kit with field attachment and suitable for 5KV grade single core copper conductor,PVC insulated PVC sheathed AFL cable complete as required.

Making Field connections by crimping following sizes of plug & receptacle with the existing PVC copper conductor ,PVC insulated,PVC sheathed cable including filling the gap with water sealent material appplying HT insulation tape ,over which PVC tape etc as required 16 Sqmm

Making Field connections by crimping following sizes of plug & receptacle with the existing PVC copper conductor ,PVC insulated,PVC sheathed cable including filling the gap with water sealent material appplying HT insulation tape ,over which PVC tape etc as required. 6 Sqmm

Installation of 450mm CI transformer housing box with a base concrete of 1:3:6 of size 630X630X 100 mm thick, all round concrete of 1:2:4 ,150 mm thick top sloped with 1:2:4 cement concrete including excavation, disposal of material within 20 mtr lead. providing and fixing 300 mm long 15 mm dia "B" class GI pipe with checknut for drainage of water .complete as required.

Supply & Fixing of 6mm thick M.S. powder coated cover plate suitable for 330mm dia CI transformer housing box having 6nos of M10 tapped holes. Including Providing rubber gaskets suitable for 330mm dia CI transformer housing box.

Supply of M10 Size stainless steel bolts of 25mm length with spring & plain washers.

Laying of one number PVC insulated and PVC sheathed XLPE power cable of 1.1 KV grade / 5KV grade single core/two core AFL cable of size not exceeding 35Sqmm in the existing RCC/ HUME/METAL/GI/HDPE/DWC pipe etc. complete as required.

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. (but with charcoal/ coke and salt ) as required.

providing and laying earth connection from earth electrode with 6 SWG dia G.I wire in 15mm dia G.I pipe in 30cm depth from earth electrode including connection with G.I. thimble excavation and re-filling etc. as required.

Providing and fixing 6 SWG G.I. wire on surface or in recess for loop earthing as required.

Drilling suitable horizontal bore across runway/taxiway/road/pavement and supplying & inserting 110mm dia PLB HDPE pipe in the bore along with required fittings including providing pulling rope through the pipe.

Providing and laying in position cement concrete 1:3:6 (1cement : 2 coarse sand : 6 graded stone aggregate 20 mm nominal size) of size 1Mtr x 1Mtr with an average thickness of 100mm around the Transformer housing Boxes /Earth pit chambers including top sloping the protruded portion of CI box/Earth pits with graded surface. This job also include Surface dressing, leveling ,watering, ramming, and finishing the surface as required.

providing masonry enclosure with cover plate having locking arrangement (Size of 300mm X 300mm) etc. as required.

Supply, Installation, Testing and commissioning of Three Phase Surge Protection Device (SPD) having 50KA (10/350 micro seconds) rating with limiting voltage of 1.5 KV, response time ≤ 100 ns to be installed in parallel at the mains power entry point & shall be of replaceable modular type including copper wire 16 sq.mm 12 mtrs. for connecting surge protection device in parallel to the busbar of the main electrical panel, 63 amp 3 phase MCB 4 pole with enclosure along with all accessories as required for installing as per tender specifications.

C P MONCHESTER ELECTRICALS

surbhi association

CREATIVE TRADING CO

CENTRE TAP ENGINEERING