PROVISION OF 06 X HIGH MAST SECURITY LIGHT AT NEW CANTT PRAYAGRAJ

Excavation in trenches in hard/dense soil not exceeding 1.5 mtr wide and not exceeding 1.5 mtr depth for foundation etc or for shafts, wells, cesspits, manholes, pier holes etc and getting out complete all as specified and directed.

Returning filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and directed.

Removing excavated 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 directed.

M&L for sand cushioning using Ganga River sand for underground cable 8 cm before laying cable and 15 cm after laying and punned to 18 cm after laying of cable complete all as specified and directed. Note : Punned thickness shall be considered for payment.

M&L burnt bricks, sub class 'B' of designation 75, standard size laid in trenches as in protection of UG cables complete all as specified and directed.

M&L in replacement of GI tubing light grade 50mm bore as in cable protection fixed to poles/walls or laid intrenches/under road crossing etc, complete all as specified and directed.

M&L for boring of holes under road pavement hard standing by manual boring including making good the disturbed surfaces complete all as specified and directed.

Supply & laying or fixing or laid in trench/ducts/through pipes/in floors/under roads/under hard standing/along poles and testing cross linked polytehylene (XLPE) LT cable XLPE insulated, PVC inner sheathed, bedded, galvanised steel strip or wire armoured heavy duty 1100 Volts grade with stranded aluminium conductor having cross sectional area 25 Sqmm, 4 core and conforming to IS-7098 (Part-I-1988 & as per latest amendments) complete all as specified and directed.

Supplying, erecting, testing and commissioning Raising and Lowering type (16 metre height high mast system hot dip galvanised inside and outside) in single dip, suitable for wind velocity as per IS 875 part 3 with only one longitudinal seam weld per section but without circumferential weld including accessories viz head frame, 2 point suspension system with steel wire ropr 6 mm dia 7/ 19 gauge, double drum winch, galvanised lantern carriage arrangement suitable for and with 8 nos Luminaires symetrically lightning finial, LED aviation obstruction light of 9/10 Watt, lighting arrestor spikes, foundation bolts,nuts, anchor plates, templates, trailing cable and intergral power tool for raising and lowering operation of high mast with and including following technical specification, complete all as specified and directed :- (a) HIGH MAST SYSTEM Height of Mast - 16 mtr. No of sections - 02 (two). Material construction - S355 grade as per BS-EN10025 Base dia and top diameter (A/F) - 360mm and 150mm respectively Plate thickness and section length - Top - 3mm x 5420mm, Botton - 3mm x 10980mm Cross section of Mast - 20 sidde polygon. Standard for of galvanisation - As per BS EN ISO 1461/BS729/IS2629 Size of opening and door at base - 1200mm x 250mm. Diameter of base plate - 520mm Thickness of base plate - 25mm. Lightning protection finial - GI single spike Maximum Wind speed - 50 m/s as per IS 875 (Part-III). Number of foundation bolts - 6 Nos PCD of foundation bolts - 445mm. Type/diameter/length of foundation bolts - TS 600/24mm dia/850mm long (b) LUMINAIRES CARRIAGE Material of construction - 50 NB ERW Class 'B' MS pipe. Diameter of carriage ring (mm) - 535 mm (ID) Construction - 8 arm welded 2 sections. Load carrying capacity 16 Luminarie

(c) WINCH / POWER TOOL Type/SWL of winch - Double Drum /SWL 350 Kg. Method of operation - Integral Motor I Motor Capacity - 1 HP Three Phase. No of Speed - 6 Pole, Single Speed (d) STAINLESSS STEEL WIRE ROPE Grade/Construction - AISI304.7/19 Construction. No of Ropes - Two contunious Diameter (mm) - 5 mm. Braking load capacity (minium) - 1450 Kg x 2 (e) FEEDER PILLAR Powder coated CRCA steel sheet feeder piller housing 3.15 mm thick (minimum) suitable for outdoor application with 63 Amps four pole MCB incomer, Nature switch, 16 Amps, 420 Volts suitable for automatic switching ON and OFF of the luminaries, 9 Amps two contactors and raise lower push buttons for motor operation, incoming terminals of 50 Sqmm and outgoing terminals of 16 sqmm for power cable and 2.5 Sqmm for motor mounted on suitable foundation. (f) FOUNDATION Construction of suitable shallow foundation with M20 grade concrete for high mast considering the safe soil bearing capacity at site as 10 T/Sqm at 2 mtr depth. (g) TRAILING CABLE PVC insulated PVC scheathed 1100 Volts grade ISI marked multistranded copper conductor cable 6 core 2.5 Sqmm.