SPECIAL REPAIR OF LAYING UNDERGROUND CABLE AT CERTAIN LOCATION AT AFS TEZPUR UNDER GE AFS TEZPUR

Amount

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 6 sq mm 4 cor complete all as specified and directed .

Excavation in trenches,n exc 1.5 m wide and n exc 1.5 m in depth; for foundation laying of cables ,etc or for shafts,wells,cesspits,manholes,pier holes,etc. n exc 10 sqm on plan and n exc 1.5 m in depth and getting out in soft/lose soil complete all as specified and directed

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

Removing excavated materials 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..

Material and labour sand cushioing for cable protection complete all as specified and directed.

Supply and laying Sub Class "B" Bricks Designation 75 as in cable Protection complete all as specified and as directed.

Material and labour boring of horizontal holes /trenchless hole for 50 mm bore pipe under the road below .50 mtr from the road/hard surface by trencheless technology using ultrasonic technique and including necessary machine without damaging the existing road and getting out in any type of soil and disposal of soil to a distance not exceeding 50 m from the site of work complete all as specified and directed . Note: Pipe Shall bemeasured and paid seperately.

Supply and fixing galvanised iron tubing 50 mm bore, medium grade with all fitting & fixture as in cable protection laid in trenches/floor or on the Pole etc complete all as specified and directed. Note (i) Excavation and earth work shall be measured and paid seprately. (ii) The unit rate of these items include the cost of clamps,nuts,bolts etc.

M&L sheet metal enclosures double door type phasphatised power painted for DB where MCB’s to be used SPN 4 way with copper 200 Amps rated bus door 415V fixed concealed to wall surface complete all as specified and directed.

S&F 'C' series TPN MCB 20 Amp, 10 KA complete all as specified and directed .

Supply and fixing in repair factory made Bus bar chamber of size 500 mm (h) X 300 mm (w) x 250 mm (d) 4 strip aluminum busbar of size 63 Amps rating for phase and neutral ,400 mm long,duly fixed on porcelain insulator made out of 2 mm thick M.S Sheet and with proper weather protection (rain protection canopy) having four legs with angle iron 80 mm x 80 mm x 5mm thick on floor with PCC foundation 250 mm x 150mm x 150mm type B1 (1:2:4) (using 20 mm crushed stone aggregate), duly powder coated paint having two parts front and back opening door including earth terminal point cable connection ccomplete all as specified and directed .

M&L Earthing complete with galvanised steel earth plate electrode 60cm×60cm.× 6.3mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised earth lead GI wire 4 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel including 40 mm bore GI pipe light grade all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion complete all as specified and directed. Note:-(i) Cost of this item included the excavation work,coal ,salt,PCC, RCC pit cover is included in the unit rate of this item.(ii) PCC shall be 1:2:4 type (Bo)

M&L for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicating situation for loop earthing etc as required 4 mm dia galvanised iron or steel wire, complete all as specified and directed

Singhs Construction

M/S Kangkans