REPAIR /MAINTENANCE OF EXTERNAL ELECT SUPPLY INCLUDING RE ROUTING OF CABLE AND REPLACEMENT OF UG CABLE AND OTHER CONNECTED WORKS AT NIMU MIL STN UNDER AGE (I) NIMU

Amount

Excavation in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth; for laying of cable/pipe & getting out in soft/loose soil, complete all as specified and directed by Engr-in-Charge.

Excavation in trenches, not exceeding 1.5m wide and exceeding 1.5m in depth and not exceeding 3.0m in depth; for laying of cable/pipe & getting out in soft/loose soil, complete all as specified and directed by Engr-in-Charge.

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

Removal of excavated soil to distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point, complete all as specified and directed by Engr-in-Charge.

Dismantling/Taking down existing unserviceable ACSR conductor of any make and removing from site or setting aside for reuse complete all as specified and as directed by Engr in charge.

ACSR conductor for LT line of size as per existing unservicable conductor, (Single or Multiple run as directed) straching properly without kniks and bends, on insulators of LT Poles and binding with and including aluminium binding wires, jumpers including fixing on insulators on each poles in span and tightening with permissible sag in between span etc, complete all as specified and as directed by Engineer-in-charge. Note:-3% for sag shall be added in measurement

Dismantling cross arms MS Channel or angle section etc, complete all as specified and as directed by Engineer-in-charge.

Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending (cold or hot), drilling holes for bolts, bent to any shape or size as directed and inclusive of one coat of red oxide primer and two coats of aluminium paint, complete all as specified and directed by Engr-in-Charge.

Dismantling HT/LT insulator any type any size, complete all as specified and directed by Engineer-in-charge.

Polymer Pin type porcelain,vitreous,white,brown or green Insulator incl one mild steel spindle, two iron washerrs and iron nut, 100 mm height, 65 mm dia ,suitable for 1100 Volt, complete all as specified and directed by Engr-in-Charge.

M&L for removing HT/LT over head conductor from the insulator where ever required and cutting tree branches 2 metre all around conductor and re-stretching the same without any kink/bend upto permissible sag, binding it on insulator by means of binding wire and testing the HT/LT overhead line after completion, complete all as specified and directed by Engr-in-Charge. (Note: 3/4 runs of HT/LT overhead conductor for three phases and neutral shall be measured and paid as one length.)

Supply and Fixing in replacement LT overhead line polypropylene composite 3/4 line separators molded or bolted type phase to phase distance 600 mm, width 25mm, thickness 12 mm, complete all as specified and directed by Engr-in-charge.

Dismantling of old steel pole / struts any type and size including demolition of concrete, foundation, necessary excavation and earth work and transportation etc, complete all as specified and directed by Engr-in-Charge.

Supplying, transporting, erecting and fixing steel tubular swaged pole type 410 SP-31 (9.0 metres long) complete with cast iron base plate, finial, taper plug, bolts, nuts and screws as specified, including necessary excavation and earth work, PCC 1:4:8 type D-2 in foundations below pole, PCC 1:3:6 type C-2 around poles and PCC 1:3:6 type C-1 as in plinth block, disposal of surplus soil to a distance not exceeding 50 m and depositing where directed, painting steel tubular poles exposed surfaces with aluminium paint two coats over one coat of red oxide primer and providing 300 mm wide bands (3 bands/straps with synthetic enamel paint and 2 bands with black bituminous paint) from plinth block and numbering of poles, painting embedded portion of poles with one coat of bituminous paint, complete all as specified and directed by Engr-in-Charge. Note:-PCC work will be measured and paid separately.

Supplying and laying in replacement of GI pipe, 80mm dia, Light grade for cable protection at pole/road crossing etc including necessary road cutting and making good with PCC 1:2:4, Type B-1, using 20mm graded stone aggregate, 100mm thick or fixing on wall / poles of any type, secured with clamps complete all as specified and as directed by the Engineer - in - Charge.

Plain cement concrete 1:4:8 type D-2 (using 40 mm graded crushed stone aggregate) in pole/stay/plinth etc. as in foundation filling and mass concrete, complete all as specified and directed by the Engr-in-Charge.

Plain Cement concrete 1:3:6 type C-1 using 20 mm graded crushed stone aggregate in coping pedestal to poles including provision of necessary form work finishing the exposed surface even and smooth complete all as specified.

Cleaning the extend exposed surfaces of steel tubular pole of 9 Mtr long including with cross arms, brackets clamps etc and painting complete ( Except embedded portion) including all MS work mounted on pole, earth potection with two coat of aluminium paint and with synthetic enamel paint (black and yellow straps 30 cm wide each up to 1.5m hight) from top of plinth block and numbering of poles with white synthetic enamel paint on black ground complete all as specified with painting of top of pole with silver paint. Complete all as specified and directed by Engr-in-charge

Disconnecting the all connection in existing panel board complete and re-fixing the same after replacing the burnt lugs/thimbles complete including replacement of the unservicable MCCBs, Contactors, over load relay, bus bar, indicator lamps etc., complete all as specified and as direcrted by Engineer-in-charge. Note:- Replacement of major items shall be measured and paid for separately under respective.

Supply and Fix in replacement of MCCB 250 Amps 25 KA, 3 Pole, complete all as specified and directed by Engr-in-Charge.

Supply and Fix in replacement of MCCB 100 Amps 25 KA, 3 Pole, complete all as specified and directed by Engr-in-Charge.

Supply and Fix in replacement of MCCB 63 Amps 25 KA, 3 Pole, complete all as specified and directed by Engr-in-Charge.

Supply and Fix in replacement of Changeover Switch On Load 4 Pole 400 Amps, complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair Voltmeter 0-500 volt square type complete with necessary fixing, complete all as specified and as directed by Engineer-in-Charge

Supply and fix in repair ammeter 0-100 amps square type complete with necessary fixing, complete all as specified and as directed by Engineer-in-Charge

Supply and fix in replacement change over Off Load 100 Amps 4 pole, 415 V housed in sheet metal enclosure including, replacement of incoming and outgoing cable connections with aluminium conductor cable, lugs, nuts, bolts all as directed.

Supply and Fixing in replacement Aluminium Thimble of size 10/16/35/50/70/95 sqmm, complete all as specified and directed by Engineer - in - Charge.

Supply and Fixing in replacement Aluminium Thimble of size 120/150/185/240/300 sqmm, complete all as specified and directed by Engineer - in - Charge.

Material and Labour in replacement Cable jointing kit for LT under groung cable with 1100 volts straight through joints kit epoxy type of size 70 to 120 sqmm 3.5 core complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 70 sqmm to 120 sqmm complete all as specified and directed by Engr-in-Charge.

Material and Labour in replacement Cable jointing kit for LT under groung cable with 1100 volts straight through joints kit epoxy type of size 70 to 120 sqmm 3.5 core complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 150 sqmm to 185 sqmm complete all as specified and directed by Engr-in-Charge.

Material and Labour in repairs to LT panel boards complete with necessary welding works to doors, replacement of unserviceable hinges and all drop bolt complete and painting with one coat of synthetic enamel paint of approved color internally and externally, complete all as specified and as directed by Engineer-in-Charge

Taking out old unserviceable underground cable of any size/ make/ type etc from excavated trenches/ on poles/ passing through pipes etc from different locations, complete all as specified and as directed by Engineer-in-Charge

Laying only XLPE insulated, armoured heavy duty eletric cable with aluminium conductor, 1100 volts grade, cross-sectional area 10 sqmm 2 core, complete all as specified and directed by Engr-in -Charge. (Note: Cable will be issued under Sch 'B' free for laying.)

Laying only XLPE insulated, armoured heavy duty eletric cable with aluminium conductor, 1100 volts grade, cross-sectional area 25 sqmm 2 core, complete all as specified and directed by Engr-in -Charge. (Note: Cable will be issued under Sch 'B' free for laying.)

Laying only XLPE insulated, armoured heavy duty eletric cable with aluminium conductor, 1100 volts grade, cross-sectional area 16 sqmm 4 core, complete all as specified and directed by Engr-in -Charge. (Note: Cable will be issued under Sch 'B' free for laying.)

Supply, laying and testing XLPE insulated, screened, PVC bedded galvanised steel strip armoured electric power cable (Heavy duty) with aluminium conductor, 1100 Volts grade lay in trenches, ducts, along pole cross sectional area 50 Sqmm 3.5 Core, complete all as specified and directed by Engr-in -Charge.

Supply, laying and testing XLPE insulated, screened, PVC bedded galvanised steel strip armoured electric power cable (Heavy duty) with aluminium conductor, 1100 Volts grade lay in trenches, ducts, along pole cross sectional area 70 Sqmm 3.5 Core, complete all as specified and directed by Engr-in -Charge.

Supply, laying and testing XLPE insulated, screened, PVC bedded galvanised steel strip armoured electric power cable (Heavy duty) with aluminium conductor, 1100 Volts grade lay in trenches, ducts, along pole cross sectional area 95 Sqmm 3.5 Core, complete all as specified and directed by Engr-in -Charge.

Supply, laying and testing XLPE insulated, screened, PVC bedded galvanised steel strip armoured electric power cable (Heavy duty) with aluminium conductor, 1100 Volts grade lay in trenches, ducts, along pole cross sectional area 185 Sqmm 3.5 Core, complete all as specified and directed by Engr-in -Charge.

Taking up old unserviceable / serviceable un reinforced concrete cable covers from excavated trenches, complete all as specified and directed by Engr-in -Charge. Note : serviceable reinforce concrete PCC cable cover kept in safe custody for reuse at site and unserviceable reinforce concrete PCC cable cover thrown in low lying areas, complete all as specified and directed by Engr-in -Charge.

Laying only old un reinforced PCC cable cover of any size as retrieved from above serial No 40, complete all as specified and directed by Engr-in -Charge.

Un reinforced pre cast concrete cable cover class LV type I, flat size 250 mm x 150 mm x 40 mm, complete all as specified and directed by Engr-in -Charge.

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, complete all as specified and directed by Engr-in-Charge. (Note:-Punned thickness shall be measured and paid)

PVC weather proof, hinged door, junction box with 10A Aluminium bus bar, 240V, Neutral link and 1No MCB SP of 6 Amps, necessary fixing arrangement such as clamps, nut, bolts, etc including dismantling old unservieable junction box, complete all as specified and directed by Engr-in-Charge.

Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm 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 iron strip 32 x 6 mm ( incl upto 7.5 mtr) by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion with charcoal dust and common salt all as shown in electrical plate No 5 of MES SSR Part-I (1991) , all excavation and earth work & connectiing the earthing to an earthing test point as specified and testing on complete all as specified & directed by Engr-in-Charge.

Note:-The accepted amount will be arrived after deducting the Sch of credit i.e. Rs 62,214.00 and any other reduction if any from quoted amount.

M/S ZTECH

EESSI