PROVN OF RING MAIN HT CABLE FOR INS NETAJII SUBHAS AND SHIFTING OF COMNETCH (KOL) FROM RASHBIHARI BUILING (P-09) TO NEW ADMIN BUILDING UNDER GE (I) (CGN) KOLKATA

Amount

M&L for point wiring with 1.5 sqmm size single core multi stranded copper conductor unsheathed PVC insualted 1100 V grade FRLSH cable drawn into and including PVC caping/casing adequate width and length with accessoris and fittings like bend, elbows, crosses wall crossing etc for 3 pin 5 Amps socket outlet independent (Multiple) controlled by one switch and with continuous 1 No cable 1.5 sqmm copper conductor PVC insulated, unsheathed as earth wire connected to earth dolly and to be connected boxes of suitable sizes for mounting to fittings etc, and make good surface as earlier complete all as specified and as directed. Note- for modular switch and socket base plate would be measured and paid seperately.

All as per item No-1 here-in -before but 2.5 sqmm copper conductor for 3 pin 15 Amps socket outler independent (Multiple) controlled by one switch with one No earth continuity copper conductor of size 2.5 sqmm complete. Note- for modular switch and socket base plate would be measured and paid serately.

M&Lfor Modular switch single pole one way 6 amps complete.

M&Lfor Modular switch single pole one way 16 amps complete.

M&L Modular socket,6A-2/3 pin combination 2 module complete.

M&L Modular socket, 6A/16A-2/3 pin combination 2 module complete.

S & F modular metal box 3 way complete.

S & F modular white cover plate with frame 3 way complete.

M & L for submain wiring with 3 run of single core FRLSH , 6 Sqmm ( Nominal area ) PVC insulated , unsheathed,multistanded copper conductor cable ,1100 Volts grade drawn through and including PVC non-metalic casing-caping of suitable size , with all fittings and fixing accessories on roof, wall , ceilings etc complete all as specified and directed . (Note : three run of 6 Sqmm cable and one run of PVC non-metalic casing /capping in wall/ceiling be measured as one length.)

M & L for submain wiring with 3 run of single core FRLSH , 10 Sqmm ( Nominal area ) PVC insulated , unsheathed,multistanded copper conductor cable ,1100 Volts grade drawn through and including PVC non-metalic casing-caping of suitable size , with all fittings and fixing accessories on roof, wall , ceilings etc complete all as specified and directed . (Note : three run of 10 Sqmm cable and one run of PVC non-metalic casing /capping in wall/ceiling be measured as one length.)

S & F sheet metal DB 8 way double door with 200 Amps rated bus bar Single pole with neutral complete.

M & L MCB SP 'C' series 6-32 Amps complete

M & L MCB SPN 'C' series 40-63 Amps complete.

M& L for chemical earthing with copper plate 90cm x 60cm x5mm thick plate buried directly in ground vertically at a depth not less than 2.25 metre deep below normal ground level with top edge of the plate not less than 1.5 metre below normal ground level , electrode connections by using copper strip of given size 32x6mm by means of bolts, nuts, check nuts and washers made of copper and protected by light grade 50 mm dia GI pipe connected to main switch board or main control board or Earth test point (length of copper strip duly protected with GI pipe) and providing alternate layers upto 1.50 mtr depth of pit by charcoal dust, common salt and magnesium sulphate (common salt and magnesium sulphate will mix in 1:1) and vegetable soil all around the plate 150 mm depth and width minimum all as specified and directed, including necessary excavation and earth work in any type of strata, and GI pipe light grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1: 2: 4 type C2 including earth work, disposal of surplus soil to a distance not exc. 50 mtr, testing after completion vale of the earth resistance should be 0.5 ohms & leakage current 5 mA at entire satisfaction, complete all as specified and directed by Engr-in-Charge. Note : At the time of testing at testing point after completion of work if the desired earth resistance is not obtained the earthing will be redone at no extra cost complete all as directed for desire satisfaction level by Engineer-in-Charge.

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 indicated situation for loop earthing etc. as required 20x3 mm dia copper strip.

Earthing complete with copper earth plate electrode of size 60 cm x 60 cm x 3.15 mm burried directly in ground vertically at a depth of not less than 2.25 Mtrs below normal ground level with top edge of the earth plate at a depth not less than 1.5 Mtr below normal ground level surrounded from all sides by 15 cms thick and packed layer of charcoal dust and common salt filling in alternate layers etc and connected to and including Copper strip 20 x 3 mm as earthing lead size upto 7.5 mtr by means of bolts, nuts, checknuts and washers made out of galvanised iron and protected by medium grade 50 mm dia 5 mtr long and connected to main control panel and GI pipe 20 mm medium grade as watering pipe including funnel, wire mesh, PCC Pit made up of PCC 1:2:4 type C2 and RCC cover 40 mm thick with 8 mm bar 15 c/c including excavation and earth work all as specified in SSR Part 1 2009.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or water supply pipes lines etc or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in hard/ dense soil/ road cutting complete all as specified and as directed.

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

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

Supply & spreading in trenches dry river sand cushioning to underground cable in trenches including spreading, levelling hand punning down complete all as specified and directed Note:- Depth of sand cushioning will be measured after punning down and levelling the sand properly.

Supply & laying unreinforced precast concrete cable cover class HV type 1, flat shape, dimension 300 mm X 180 mm X 40 mm as per IS 5820: 1970 complete all as specified and directed.

Supplying & laying 80 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 as in cable protection complete all as specified and as directed.

Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 120 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 laid in trenches or under floors making all connections with necessary glands lugs bushing complete all as specified and as directed.

S & F XLPE cable end termination, heat shrinkable, indoor type complete with jointing material and accessories suitable for voltage 6.35 kV/ 11 kV (Earthed), 3 core 120 sqmm complete all as specified and as directed.

M & L for auguring under road, pavement, hard standing, by trenchless technology using latest boring technique and necessary machine including HDPE pipe of 150 mm dia complete all as specified and as directed.

Material and labour for cement concrete in foundation, filling and mass concrete in 1:3:6, type C2, using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

DUTTA & DUTTA (BID ID -3281108)

UNIVERSAL TRADING CENTRE (BID ID -3281172)

M/s Santosh Industrial Corporation (BID ID -3280871)

INDIA ELECTRICAL EQUIPMENTS (BID ID -3281079)

ARJUN DAS VALECHA (BID ID -3279736)

SILKTONE (BID ID -3281267)

KWALITY CONSTRUCTION (BID ID -3280656)