SPECIAL REPAIR/REPLACEMENT OF LT PANELS AND CONNECTED ITEMS INSTALLED AT NIMU MIL STN UNDER AGE(I)NIMU

Amount

Supply and installation erection commissioing and testing in replacement of LT panel (2.1mx1.8mx0.45m) (factory made) cubical out door type CPRI approved, weather/dust proof, factory made out of 3.15mm thick CRCA sheet powder coated with front and back side openable with suitable cable alloy and front side shutter with locking arrangement panel base of angle iron 50x50x6mm upto 45 cm height for 433 volts, 3 phase, 4 wire system includign four pole aluminium bus bar 400 amps capacity including control wiring with suitable size of PVC insulated standed copper conductor and incoming/outgoing connection with aluminium bus bar complete as per manufacture design complete mounted or fixed on PCC 1:3:6 (using 20mm graded crushed stone aggregate) foundation and inculding earth work above 0.45 mtr on floor and cable connection with suitable size of aluminium lugs and glands complete comprising the following:-

M&L for Busbar chambers with 4 aluminium busbar strip of rating 200 Amp 6 way fixed on angle iron of size 40mmx40mmx5mm complete all as specified and as directed.

Supply, testing & Laying, connecting only XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with aluminium conductor, 1100 volts, grade cross sectional area 50 Sqmm 3.5 core complete all as specified

Excavation in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth; for laying of cable/pipe & getting out in any type of soil complete all as specified and directed

Returning filling in including spreading, levelling, watering and well remming in layers not exceeding 25cm thick in hard/dense soil complete all as specified.

Removal of excavated material (soil) to distance exc. 50m but n.exc. 100m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed

Supply and laying un reinforced precast concrete cable cover class LV, type I, flat, size 250 mm x 150 mm x 40 mm complete all as specified.

Sand cushioning with fine sand to under ground cables in trenches/ducts in layers of 8 cm deep before laying the cable and 15 cm deep after laying and stretching the cable as specified in clause 19.75 of SSR Part-I. (Note:-Punned thickness shall be measured and paid)

M&L for Earthing complete with galvanised steel earth plate electrode of size (600 x 600 x 6) mm thick buried directly into ground vertically to depth not less than 2.25 metre below normal ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level, surrounded on all sides by alternate layers of 150 mm thick charcoal and common salt, connected to galvanized earth lead wire 4mm dia by means of lugs, bolts, nuts, washer, check nuts of galvanised iron or steel all as shown in Electrical plate No. 3, strip protected by dia 40 mm bore light grade GI Pipe laid in floor and fixed to wall with proper size of clamps and watering pipe of bore 20 mm dia GI light grade including wire mesh funnel, PCC, earth chamber pit with PCC 1:2:4 type B-1 using 20 mm grade stone aggregate including form work cement mortar including CI Pit cover with frame necessary excavation and earth work in any type of soil including testing on completion for desired result complete including taking out of existing earthing all as specified.

Note:-The accepted amount will be arrived after deducting the Sch of credit i.e. Rs 32,810.00 and any other reduction if any from quoted amount.

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