PROVISION OF SECURITY LIGHTS AT DARK PATCHES AT TRAINEE ACCN AREA AT AF STATION TAMBARAM

Amount

Excavation in trenches not exceeding 1.5 m deep and not exceeding 1.5 m wide and getting out in soft/ loose soil for laying cable.pipes ,pole foundationetc all as directed

Excavation in trenches depth exceeding 1.5 m not exceeding 3.0 m deep and not exceeding 1.5 m wide and getting out in hard/dense soil for pole foundation etc all as directed.

Returning filling in soil including providing cable cushioning with riddled earth obtained from excavation, leveling watering and well ramming in layers not exceeding 25cm thick over the cushion layer all as specified and directed.

Removing the excavated surplus soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point.

Supply, lay in trenches burnt Bricks, old size, Sub class "B" for cable protection all as specified and directed.

PCC 1:3:6, type C-1, using 20 mm graded stone aggregate as in foundation/ coping of poles including necessary form work and finishing the exposed concrete surfaces even and fair all as specified and as directed

M & L for PCC 1:4:8 type D2 using 40mm graded stone aggregate as in foundation, filling concrete etc.complete all as specified and directed.

Cutting the existing bituminous macadam surfaces to a depth of 75mm and width as required to cross GI pipe cable protection with suitable mechanical cutter and making good the disturbed surfaces with new bituninous macadam etc complete all as specified and directed.

S&F PVC cable termination box of size 280mm x 170mm x 130mm with 4 No's aluminum bus bar of size 20mmx3mm mounted on post insulator with one No of 0.5-5Amps MCB complete fixing on pole all as directed. NOTE :- (i) The quoted rate shall inclusive for 4 No's of aluminum bus bar with fixing arranment and one number single pole MCB 0.5 Amps to 5 Amps etc. and necessary clamps and nut bolt, washers etc required for fixing.

Supply, instal, test and commissioning 110A 3 pole / 230V Analog time switch suitable for 3 Phase 415V of one side opening sigle door with push type metal lock, heavy duty wide hinges, made out of 2mm CRCA Sheet out door type , free standing squre type totally enclosed weather dust and vermin proof with front opening with locking and fixing arrangements of 440 V 3 Phase 4 wire 50Hz including internal wiring with copper conductor, provn of suitable cable glands for incoming and out going cables all as specified and directed.

S&F street light fitting LED luminaries new generation energy saving & environmental friendly long life street light made up of pressure die-cast aluminium housing with high power LED as lighting source of 90 Watts and lens embedded PC cover having TOP opening seperate driver compartment with IP-66 protection and impact resistance of IK07 including connecting up with twin core 4 Sqmm aluminium cable etc., complete all as specified and directed. Make : Havells , Model : ENDURA SUNDOWN, Cat part No : ENDURASUNDOWNNSL90WLED757SASYTOPC or Equivalent make from list of makes.

Supply and laying LT UG cable 1100 Volts grade XLPE insulated PVC sheathed amoured, heavy duty, in trenches/walls/poles/passing through pipes with multistranded aluminium conductor including lugs/thimble/ferules connection, testing and commissioning complete for 25 sqmm 3.5 core cable all as specified and directed.

Supply and laying LT UG cable 1100 Volts grade XLPE insulated PVC sheathed amoured, heavy duty, in trenches/walls/poles/passing through pipes with multistranded aluminium conductor including lugs/thimble/ferules connection, testing and commissioning complete for 16 sqmm 4 core cable all as specified and directed.

Supply and laying LT UG cable 1100 Volts grade XLPE insulated PVC sheathed amoured, heavy duty, in trenches/walls/poles/passing through pipes with multistranded aluminium conductor including lugs/thimble/ferules connection, testing and commissioning complete for 10 sqmm 4 core cable all as specified and directed.

M&L 40mm bore GI tubing 'Light' grade with all fittings for cable protection fixed on poles/walls/laid under roads crossing etc and made good the disturbed surfaces/area all as specified and directed.

M&L 50mm bore GI tubing 'Light' grade with all fittings for cable protection fixed on poles/walls/laid under roads crossing etc and made good the disturbed surfaces/area all as specified and directed.

M&L three core PVC insulated multi core flexible wire of size 1.5 sqmm copper conductor all as specified and directed.

M&L for Steel tubular swaged poles with swan neck type bracket complete with base plate 8mm thick welded with pole, finial taper plug, bolt, nut and screws as specified type 410 SP-31 (9m long) including one coat of red-oxide zinc chrome primer and two coats of aluminium paint on surfaces exposed to view and making 30cm wide strips (total 5 Nos) with white and black paint alternately on external surface above PCC benching including numbering with black paint and painting with bituminous paint internally complete and externally for portion embedded in PCC including dismantling of old type of poles any length complete all as specified and directed Note : Excavation & earth work and PCC shall be measrued and paid separately under relevant item. Make : India Tube and Co, Kalinga tubes, The National tubing company, India Electric Poles Mfg Co

M&L for earthing for pole complete with galvanized steel earth plate electrode 600X600X6mm thick buried directly in ground (earth pit not less than 2.25m deep below normal ground level) with top edge of the plate not less than 1.5M below normal ground level connected to GI earth lead wire 4.0 mm dia by means of nuts, bolts, check nuts and washer of GI steel and connecting to testing point including provision of test point and all as shown in electrical plate No. 5 of SSR Pt I (2009). The quoted rate shall be inclusive of necessary earth work and PCC chamber with cement concrete 1:2:4 type B1 complete all as specified and directed (Note:- (a) GI wire beyond 7.5M shall be measured and paid separately (b) The rate shall deemed to be inclusive of the cost of earth work, excavation on any type soil and removal of surplus soil to a distance of 50 Mtrs, RCC 1:2:4 type B1 earth pit cover including 6 Nos of 8 mm dia CTD bar on both direction all as specified and directed.

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