SPECIAL REPAIR OF HELIPAD AND HELIPAD LIGHT FITTINGS AT NAVAL BASE, OKHA UNDER GE (I) NAVY PORBANDAR

Amount

Preparing existing black top surfaces by brushing with wire brush for removing caked mud etc sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc and applying evenly priming /tack coat using paving /VG 30 grade bitumen @ 5 kg /10 Sqm complete all as specified and directed.

Premix Bitumenous macadam (consolidated thickness 50 mm) laid/rolled and compacted with vibratory power roller 10 to12 tonne power roller to required gradient and camber as levelling course complete all as specified and directed.

Premixed bituminous asphaltic semidense concrete 30 mm consolidated thickness with max 5.5 % binder content, using paving bitumen by weight of total mix, rolled & compacted to required camber and gradient using 10 to 12 tonne vibratory power roller complete all as specified and directed.

Providing and marking broken centre line (min 2mm thick) on road of any description and width as directed with thermoplastic paint hot applied with machine conforming to BS 3262 and according to specification laid down by IRC & MST (Ministry of surface trasport) specification 2001 (4th revision) complete all as specified and directed.

Taking down / out burnt / unserviceable underground cable off sizes including disconnecting all electrical connections complete all as specified and directed.

Dismantling and taking down old unserviceable street lights, security light / sorrounding lights Aviation obsruction lights any type / size complete all as specified and directed.

Dismantling and taking out existing unserviceable junction box with accessories any type / size complete all as specified and directed.

Dismantling taking down existing GI tubing any type / size complete all as specified and directed.

Excavation in trenches in soft / disintegrated rock n.exc 1.5 m wide and n.exc 1.5 m deep and getting out for taking out/laying of UG cable.LT of any size.

Returning, filling in trenches incl spreading, levelling watering and raming in layer n.exc 25 cm complete all as specified and directed.

Removing of excavated materials n.exc 50 m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and directed.

Excavation in post holes (or similar holes) each not exc 0.5 cum getting out in Hard dense soil / soft disintegrates rock returning filling in and ramming earth or rubble mixed with earth around in layers not exc 25cm watering and removing surplus soil to a distance not exc 50m and making good surface of hard / dense soil.

Sand cushioning with a layer of sand 8cm thick before laying of cable and 15cm thick after laying of cable in trenches complete all as specified and directed.

Supply and laying unreinforced precast concrete cable cover, ISI marked class LV types 2 flat size 250mm x 150mm x 40mm having minimum average breaking load 200Kg, complying IS:5820-1970 made of concrete used of grade M-20, laid flat in trenches over the cable with the length of concrete cover perpendicular to the direction of the cable length, adjacent / abutting each other complete all as specified.

Boring of holes under road, pavement hard standing by trench less technology using ultra sound technique and necessary machine for inserting GI pipe of size 40 mm bore not less than one metre below ground level complete all as specified and directed. Note: GI pipe shall be measured and paid for separately.

Galvanised tubing light grade 40 mm nominal bore for passing of cable, fixed to poles / walls / laying under floor/ roads complete with and including fittings as required complete all as specified

Supply and laying XLPE insulated armoured (under ground) heavy duty electric cable with standard aluminum conductor 1100 Volts grade of cross sectional area 10 sqmm 4 core laid in trenches/ducts/through pipes /in floor road/along the pole etc complete all as specified.

Supply and laying XLPE insulated armoured (under ground) heavy duty electric cable with standard aluminum conductor 1100 Volts grade of cross sectional area 25 sqmm 3.5 core laid in trenches/ducts/through pipes /in floor road/along the pole etc complete all as specified.

PCC 1:2:4 type C-2 using 20 mm graded stone aggregate as in foundation for stay and coping including necessary form work where required and fair finishing to the exposed surfaces all as specified and directed.

PCC 1:3:6 type C-2 using 40 mm graded stone aggregate as in foundation for stay and coping including necessary form work where required and fair finishing to the exposed surfaces all as specified and directed.

Timer switches Analog type with battery back up of 3P module,24 hours programmable every SST 30 min complete all as specified and directed.

Supply and Repair/Replacement of low intensity Aviation LED light tybe 'B' Fitting, Lux level at 1 meter > 32 Lux approxoptical lens arrengement to provode 360 illumination by high intensity Red LEDs, Input voltage 80-280V AC 50/60Hz, sealted water-proof unit conforming to IP-65 casing made aluminium alloy, Fire retardant including fitted with 1.5 meter GI pipe medium grade suitable for this fitting complete all as specified and directed Engr-in-Charge. Model:- AVI001 Make: GELTRONIX / Bajaj / Havells

Supply and Repair/Replacement of MCB SPN 16 Amp 'C' Type connecting to existing panel coplete all as specified and directed by Engr-in-Charge. Make : Anchor Cat No :- 98011 or equivalent of model Havells/Legrand.

Supply and Repair/Replacement of 63 AMP MCCB 4 pole 415 volt, AC 50 Hz, 4 pole, 10 KA with adjustable thermal and fixed magnetic setting system against over load and short circuit conditions incl neutral adjustment (Ics=100% of Icu) of capacity suitable of Existing panel board for replace of unserviseble MCCB complete all as specified and directed. Make : Havells Cat No :- IHLE1ABF0063 or equivalent model of Legrand/L&T

Supply and Repair/Replacement of new generation energy saving and environmental friendly long life LED security light 70W, made up of pressure die cast aluminium housing with high power LED as lighting sourse and lens embedded PC cover having Top Opening separate driver with IP 66 protection complete in pole/post/wall position by connecting the electrical connection and tightening the nut,bolts and clamps and all as specified and directed including taking down the u/s street light fittings. Make : Havells Cat No :- ENDURAPEARLPLUSS70WLED757PASYTOPC or equivalent model of Bajaj/CG

Hot press moulded SMC junction box 240mm x 130mm x 95mm (inside dimension) fixed with left side hinges and cable terminals with one No. 32 Amp TPN MCB fixed to pole with clamp nuts,bolts etc complete all as specified and directed by Engineer-in-charge.(Make:Sintex Cat No :- GSJB -2817 or equivalent model of Hensal)

Earthing complete for transformers/panels with galvanised steel earth plate electrode 60cmx 60cmx 6.00 mm thick buried directly in ground (Earth pit not less than 2.25 metre below normal ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected and including GI strip 32mm x 6mm by means of GI bolts, nuts, check nuts and washers, earth plate surrounded by packed alternate layers of coal dust and common salt 15cm thick, all around top and bottom and watering pipe 20mm bore of GI pipe light grade with funnel and wire mesh and 50mm bore GI pipe light grade for protection of GI strip 32mmx6mm from top of earth plate upto test point (upto 7.5metre in length) connected with suitable size of GI nuts, bolts and washers all as shown in Electrical plate No. 3 of SSR Part-I, testing on completion including excavation / earth work in any type of soil / rock, PCC chamber (1:3:6) using 20mm graded stone aggregate and 50mm thick RCC (1:2:4) type B-1 cover slab reinforced with 8mm dia TMT steel bars @ 100mm c/c both ways complete all as specified and directed. .Note :- Earth pit shall be constructed 50cm from the side of excavation to avoid sinking of pit.

Harsh Infrastructure