SPECIAL REPAIR/REPLACEMENT OF OH LINES TO UG CABLE, LT PANELS, PROVN OF SECURITY LIGHTS AND ALLIED WORKS AT AT DIFFERENT LOCATIONS OF BAGRAKOTE MIL STN UNDER GE SEVOKE ROAD

Amount

Dismantling existing ACSR/earthwire (any size) from over head line complete all as directed by Engr-in-Charge.

Dismantling insulators any type and any size complete all as directed by Engr-in-Charge.

Dismantling of cross arm (made of MS channels/angles etc.) or clamps etc.complete and stacking aside for re-use / replacement all as directed by Engr-in-Charge

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr deep for foundation, laying GI pipes and UG cables etc not exc 10 sqmtr on plan, in soft/loose soil and getting out complete all as specified and directed.

Excavation in trenches not exceeding 1.5 mtr wide and exceeding 1.5 mtr but not exceeding 3.0 mtr deep for foundation, laying GI pipes and UG cables etc not exc 10 sqmtr on plan, in soft/loose soil and getting out complete all as specified and directed.

Removing excavated soil to a distance not exc 50m and depositing where directed at a level not exc 1.5m above the starting point all as specified and as directed.

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

Materials and labour for 50 mm outer dia double wall corrugated (DWC) HDPE pipe, SN-8, ISI marked for enclosing cable below ground/road surface to a required depth including suitable size couplers for jointing of pipe all as per site requirement etc complete all as specified and directed.

Materials and labour for 75 mm outer dia double wall corrugated (DWC) HDPE pipe, SN-8, ISI marked for enclosing cable below ground/road surface to a required depth including suitable size couplers for jointing of pipe all as per site requirement etc complete all as specified and directed.

Materials and labour for GI tubing of 50 mm bore light grade with all fitting fixed to wall/ceiling/pole or in trench formed by road/PCC cutting/boring as cable protection laid on floor all as specifed and directed.

Materials and labour for boring horizontal holes 1mtr deep in soil under roads /PCC as directed for cable passing through pipes of required size and disposal of soil to a distance not exc. 50m (Note: connected items like pipes is measured and paid separately under relevant items)

Supply and laying in trenches/wall LT UG XLPE insulated ,armoured heavy duty electric cable with aluminium conductor 1100 volts grade cross sectional area 95 sqmm, 3.5 core making necessery connections all as specified and as directed.

All as item No 10 but of size 70 sqmm 3.5 core

All as per item No 6 above but 16sqmm, 4 core

All as per item No 6 above but 16sqmm, 2 core

Materials and labour for Steel tubular swaged pole complete with cast iron base plate, finial taper plug, bolts, nuts and screws of type 410 SP-22 ( 8.5 metre long) complete all as specified and directed.

Materials and labour for PCC, type C1, 1:3:6, (using 20mm graded crushed stone aggregated) as in coping of poles including formwork including demolition of old damaged concrete from pole complete all as specified and as directed

Materials and labour PCC, type D2, 1:4:8, (using 40mm graded crushed stone aggregated) as in PCC/Road cutting /installation area and foundation of pole etc complete all as specified and as directed.

Materials and labour for earthing complete with galvanized steel pipe electrode 40mm bore, medium grade, 3.5 meters length, buried directly and preferably vertically in ground with top edge not less than 1.25 meters below ground level connected with earthing lead galvanized iron strip of size 25x4 mm connected to galvanized earth pipe by means of bolts, nuts, checknuts and washer of galvanized iron including PCC (1:2:4) type B1 precast RCC cover slab with suitable handle made of 6mm round bar, including necessary excavation and earth work in any type of soil, 20mm dia medium grade galvanized steel tube for watering with one end fix with cast iron funnel and wire-mesh, with protection pipe of 32 mm dia light grade galvanized steel tubing upto 7.5 meters length for drawing earthlead including common salt, charcol , bentonite in alternate layers etc all in around of earthing pipe of 600mm dia, complete all as shown in EP number 2 of SSR Part-1 including testing on completion and & testing complete all as specified and as directed.

Supply and fixing LED street light of capacity 70 Watt made up of pressure die cast aluminium housing with high power LED as light source and lens embedded toughned glass including electronic driver should have luminaire efficacy ≥140 lumens/watt, CRI>70, PF > 0.95, CCT=5700±300, IP66,impact resistance IK 07, inbuilt protection against lightning, over voltage, short circuit and surge/spike protection upto 10KV including suitable fixing arrangement and connection complete all as specified and directed.

Materials and labour bracket for street light made out of 32mm dia medium grade GI Pipe of 1 mtr length, bend to shape with 02x clamps of suitable size and shape and 04 Nut bolts inclusive of 2 coats of aluminium paint over a coat of primer after preparation of surface including complete all as specified and as directed.

Materials and labour for water proof, 3 core PVC insulated and PVC sheathed, copper conductor cable of size 1.5 sqmm, 1100 Volts grade including PVC conduits properly fixed on steel/RCC poles using GI wire for electrical connection of street light fittings, complete all as specified and directed.

Supply and fixing factory made IP-65 (Dust and power jet proof according to IEC 60529) opaque street light junction box of size 260mmx210 mmx 116mm made of high quality polycarbonate (shock proof, rust free, corrosion free acid and chemical resistant, fire retardant having high impact (IK 08) totally insulated made of halogen and silica free recyclable material, UV resistant having high grade gasket made of polyurethane with copper terminal, MCB SP 6 Amps rating 10 KA with locking arrangement and 2 Nos M40 size cable gland and one M32 size gland suitable up to 35 Sqmm cable etc complete all as specified and as directed.

RAJIV DEY SARKER (BID ID -3492233)

ENGINEERING AND CONSTRUCTION CO. (BID ID -3490622)