REPAIR/MAINT OF LT FEEDER PILLAR BOXES, LT UG CABLES AND CONNECTED WKS OF LT DISTR SYSTEM INCL ATTENDING FUSE OFF CALL AT NCB, 32 WEU/HF/DF, CE OFFICE COMPLEX, NIRMAN PARK, 104, SVN COLONY AND MGEDDA AREAS UNDER AGE E/M-II OF GE (U-I) VISAKHAPATNAM

Excavation in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, laying cables etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft / loose soil complete all as specified and directed.

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

Removing of excavated surplus soil to a distance 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.

M&L sand cushioning with clean and dry river sand in trenches for protection of UG cable and including punning down complete all as specified and directed. Note:- Punned thickness of sand coushioning shall only measured and paid.

Supply & laying sub class 'B', class designation 75 bricks of old size, laid over sand cushioning along alignment of cable as protection to cable in trenches including taking down existing bricks from excavated trenches complete all as specified and directed. Note : Sand cushioning will measured and paid separately.

All as per Sl Item No. 6.00 herein before but except Bricks. Note : Serviceable bricks obtained from taking down shall be re-used.

S&F 100 mm bore dia steel tubing, Light grade galvanised, laid under road crossing / plinth protection / lamps post etc for cable protection or fixed to poles, walls or laid under floors including taking down existing un-serviceable pipe of any description complete all as specified and directed.

All as per Sl. Item No. 8.00 here in before but of size 40 mm

M&L earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground in vertical position (earth pit not less than 2.25 m deep below the normal ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to earth lead of galvanised iron strip 25 x 4 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, all as shown in electrical plate No. 3 connected to earthing test point including dismantling un-serviceable earthing complete all as specified and directed. Note:- The unit rate shall also include for earth work in any type of soil, PCC (1:3:6) type C1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, Main earthing lead from earth electrode to test point upto 7.5 m length, 20 mm bore medium grade GI watering pipe, 40 mm bore GI light grade earth lead protection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

Supply, laying & testing LT XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross sectional area 400 Sqmm x 3.5 Core, laid in trenches / duct / on pole or fixing on walls including taking down existing un-serviceable cable complete all as specified and directed.