PROVN OF CERTAIN E/M WORKS AT BHISIANA MIL STATION

Excavation in trenches (Manual), not exceeding 1.5m wide and not exceeding 1.5m in depth for foundations of shafts, wells, cess pits, manholes, pipe line, cable in trenches etc., not exceeding 10 Sqm on plan and getting out in any type of soft including trimming the sides and forming bottom surfaces to required levels complete all as specified and as directed.

Returning, filling including spreading, leveling watering and well ramming in layers not exceeding 25cm thick in soft/loose soil complete all as specified and as directed.

Removing excavated material (surplus soil) to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and as directed.

Supply and laying XLPE LT Cable of size 35 Sqmm, 3.5 core, 1100 Volt grade heavy duty with XLPE insulated, stranded aluminium conductor served with an inner sheathening of PVC tape armoured with Galvanized steel strip or wire and over all PVC Sheathed stranded conductor conforming to IS- 7098 (Part-I) with latest amendments laid in trenches/fixed to wall/pole/laid in floor including necessary connections and suitable size of thimbling complete all as specified and as directed. Note :- (i) Excavation, earth work, cutting of road/boring under road and protection pipe as required shall be measured & paid separately under appropriate item of this Schedule/BOQ.)

Supply and laying XLPE LT Cable of size 10 Sqmm, 4 core, 1100 Volt grade heavy duty with XLPE insulated, stranded aluminium conductor served with an inner sheathening of PVC tape armoured with Galvanized steel strip or wire and over all PVC Sheathed stranded conductor conforming to IS- 7098 (Part-I) with latest amendments laid in trenches/fixed to wall/pole/laid in floor including necessary connections and suitable size of thimbling complete all as specified and as directed. Note :- (i) Excavation, earth work, cutting of road/boring under road and protection pipe as required shall be measured & paid separately under appropriate item of this Schedule/BOQ.)

Material and labour for Sand cushioning, with dry and clean river fine sand (for under ground 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 as directed. Note:- (i) Punned thickness shall be considered for payment purpose (ii) Approved sand free from vegetations, grass and other deleterious substances shall be used.

Supply and laying Best quality, locally available, sub class ‘B’ bricks (Old Size) for cable protection cover, laid flat and dry in trenches over the cable, perpendicular to the direction of cable with width equal to length of brick, and gap between adjacent brick not exceeding 10mm, complete all as specified and as directed.

Supply, installing, commissioning and testing factory made Sheet metal enclosure/ LT Bus bar chamber (out door for 415 volts, 3 phase, 4 wire AC supply) cubical type suitable size, minimum IP-54 class protection, outer shell made out of 3.15 mm thick CRCA epoxy powder coated sheet, factory fabricated having modern fabrication and testing process followed by powder coat painting having thickness not less than 100 microns, bus bar shall be insulated with colour code heat shrinkable sleeve and shall be mounted on suitable size "F" class insulator at an interval not more than 250 mm throughout the length of each bus bar, and having provision for front and rear side opening with hinges door including locking arrangements (chromium plated 19 mm dia fancy lock) including provision of rubber beading and brass cable glands for each cable to make it weather and vermin proof, provision of air fins for ventilation, Chamber shall be mounted on angle iron frame and 04 No legs made from angle of size 25 x25 x4mm, legs shall be 750 mm long, 300 mm grouted in blocks of PCC (1:2:4) type B-1 (using 20 mm graded stone aggregate) with 450 mm ground clearance, frame and legs duly spray painted internally and externally with two coats of synthetic enamel paint over a coat of red oxide primer, including all connections incoming / out going, complete all as specified and as directed and comprising of following accessories :- (a) Four Pole aluminium bus bar of rating 200Amps

Supply, installing, commissioning and testing factory made Sheet metal enclosure/ LT Bus bar chamber (out door for 415 volts, 3 phase, 4 wire AC supply) cubical type suitable size, minimum IP-54 class protection, outer shell made out of 3.15 mm thick CRCA epoxy powder coated sheet and inner shell (partition, supporting channel etc) made out of 2mm thick CRCA epoxy powder coated sheet, factory fabricated having modern fabrication and testing process followed by powder coat painting having thickness not less than 100 microns, bus bar shall be insulated with colour code heat shrinkable sleeve and shall be mounted on suitable size "F" class insulator at an interval not more than 250 mm throughout the length of each bus bar, and having provision for front and rear side opening with hinges door including locking arrangements (chromium plated 19 mm dia fancy lock) including provision of rubber beading and brass cable glands for each cable to make it weather and vermin proof, provision of air fins for ventilation, Chamber shall be mounted on angle iron frame and 04 No legs made from angle of size 25 x25 x4mm, legs shall be 750 mm long, 300 mm grouted in blocks of PCC (1:2:4) type B-1 (using 20 mm graded stone aggregate) with 450 mm ground clearance, frame and legs duly spray painted internally and externally with two coats of synthetic enamel paint over a coat of red oxide primer, including all connections incoming / out going, complete all as specified and as directed and comprising of following accessories :- (a) Four Pole aluminium bus bar of rating 200Amps (b) MCCB 63 Amps, Four pole, 16 KA, 415 V, adjustable thermal magnetic protection, Icu=Ics (100%)

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