GE ELEC/D-51/2024-25

Amount

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft loose soil for laying / taking up/ taking down of cables and getting out and levelling of bottom suface to required level complete all as specified and directed by Engineer- in-Charge.

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

Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc 1.5 mtr above the starting point complete all as specified and directed by Engineer- in-Charge.

Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc complete all as specified and directed by Engineer- in-Charge.

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1, flat size 300mmx 180mm x 40mm complete all as specified and directed by Engineer- in-Charge.

All as per srl item No 5 here-in-before but using old cable cover obtained under srl item No 1 here in before.

Supplying, laying, jointing testing and connecting in replacement XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in GI pipe / fixed to pole, including jointing & testing complete all as specified and directed by Engineer- in-Charge of following sizes :-

95 sqmm 3 core.

120 sqmm 3 core.

150 Sqmm 3 Core

185 sqmm 3 core

240 sqmm 3 core

300 sqmm 3 core

Boring of hole under road, pavement, hard standing by trenchless technology using ultra sound technique and any other necessary machine including material and labour for HDPE pipe of 150 mm dia suitable for 0.6 mpa working pressure.During boring work,hard rock may appear as the site is a hilly terrain any damage to the trenchless machine or any other machine will be in the scope of contractor. The contractor should take the permission from the NHAI, GAIL , BSES , MTNL , Army and other concern authority for boring is mandatory prior to initiation of work. . If any of the services get damage during trenchless work the cost of repairing/replacement of the same is deemed to be included in the quoted rate by the contractor.

Boring of hole under road/pavement/hard standing or any other situation by mannual means and suitable for passing of GI pipe 100 to 150 mm bore and making good both ends complete all as specified and directed by Engr-in-Charge.

Supply and fixing/laying in replacement GI Pipe (light grade) with necessary accessories/ fittings for cable protections/pole for crossing of culverts/nallah of following bore sizes

Supply and fixing Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

95 Sqmm 3 core.

120 Sqmm to 185 Sqmm, 3 core.

240 Sqmm to 400 Sqmm 3 core

Supply and fixing Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

95 Sqmm 3 core.

120 Sqmm to 185 Sqmm, 3 core.

240 Sqmm to 400 Sqmm 3 core

Supply and fixing Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

95 Sqmm 3 core.

120 Sqmm to 185 Sqmm, 3 core.

240 Sqmm to 400 Sqmm 3 core

Earthing complete with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 2.10 m below normal ground level) with top edge of earth plate not less than 1.5m below normal ground level, connected to galvanized iron strip 32 x 6mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test point and the equipment on the other nuts and washers of galvanised ironside complete all as specified, including testing and commissioning complete all as directed. Note : (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40 mm bore GI pipe medium grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI lead wire and protection pipe upto 7.5 meter beyond the earth plates electrode.

Material & Labour for in replacement 32x6mm galvanised iron strip for earth continuity conductor for earthing of transformer, HT Panel board etc complete all as directed at site.

Material & Labour for cutting and removing grass, vegetation bushes etc from surrounding area of HT installation and removing all rubbish to a distance not exceeding 50 m complete all as specified and directed by Engr-in-Charge.

Suplying and laying as replacement in sub station fixing 3.3 to 11 KV electrical insulation mat of size 5 mtr x 1 mtr x 2.5 mm thick specification complete all as specified and directed by Engr-in-Charge..

Supplying and fixing in replacement LED flood light fitting of following size complete all as specified and directed by Engr-in-charge :-

Supplying & fixing of LED street light Fitting 60 watt LED, IP-66 protection, single peice pressure die cast aluminium housing high grade powder coated finish with heat resistant toughned clear glass cover for lamp and control gear compartment with high voltage surge protection device up to 4.5 KV, prewired conductor to fitting with 3 core 1.5 sqmm pvc insulated cable along with GI pipe bracket for street light fitting complete with 2.2 mtr long 50mm dia GI pipe medium grade and including necessary mild steel clamp , nuts,bolts and wahsers and painting on steel surfaces with two coats of aluminium paint complete all as specified and directed by Engr-in-Charge.

Supplying & fixing of LED street light Fitting 45 watt LED, IP-66 protection, single peice pressure die cast aluminium housing high grade powder coated finish with heat resistant toughned clear glass cover for lamp and control gear compartment with high voltage surge protection device up to 4.5 KV, prewired conductor to fitting with 3 core 1.5 sqmm pvc insulated cable along with GI pipe bracket for street light fitting complete with 2.2 mtr long 50mm dia GI pipe medium grade and including necessary mild steel clamp , nuts,bolts and wahsers and painting on steel surfaces with two coats of aluminium paint complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement ACB 4 pole, 800 Amp, 50 KA, 415 Volt AC Horizontal draw out type , front operated with Micro processor based LCD protection release for adjustable over current, short circuit and earth fault protection

Supply installation & commissioning in replacement of 12 Volts-100 AH sealed maintenance free battery complete all as specified and directed by Engr-in-charge.

Disconnecting electrically & mechanically outdoor transforemrs upto 630 KVA capacity, lowering down/getting out from plinth carefully for repairing /making of plinth of transformer and re- connecting electrically and mechanically after repairing/making of plinth , testing and commissioning complete all as specified and directed by Engr-in-Charge. Note:- (a) Rate is deemed to be inclusive for hydra , men power, and other items required for temp energization of transformer. (b) M&L used to repair the Plinth shall be measured and paid separetely under items of sch of work here-in -after.

Material & Labour forbrick masonry platform (suitable for 100 to 630 KVA transformer) having size 2.5 mtr x 2.5 mtr and total height 1.6 M (0.45 M below ground level including excavation and earth work, 1.15M above ground level including RCC slab 150 mm on top and refilling of sand/soil), PCC 1:4:8 type D-2 in foundation, sub class 'B' brick work in CM 1:4, 15mm thick rendering in CM 1:6 on all sides of platform upto 150 mm below ground level, supply and fixing of 02 Nos MS channels of suitable size for balancing of transformer, embedded in PCC 1:2:4 type B-1 up to 150mm thick RCC slab, including provn of stair case on one side complete all as specified and directed by Engr-in-Charge.

Supply and Installation of HT 11 KV CT operated Trivector Meter with the following specifications:- (a) Meter Type: HT 3 Phase 4 Wire Electronic Tri vector Meter (b) Standard: IS 14697:2021 (c) Accuracy: Class 0.5 (d) Voltage and Current rating:- (i) Reference Voltage - 3 x 415 V (ii) Basic Current (Ib) - 1 A (iii) Maximum continuous current (Imax) - 2 A (e) Rated Frequency (variation) - 50Hz (±5%) (f) Power consumption:- (i) Voltage circuit: Less than 1.5 W and 10 VA per Phase at reference voltage, reference temperature and reference frequency (ii) Current circuit: Less than 1 VA per phase at basic current, reference frequency and reference temperature (g) Display type: 8 digit 7 segment backlit LCD display, not less than10 mm character height (h) Display in the event of Power Failure: Internal battery back-up for LCD display (j)Communication port: (i) Galvanically isolated Optical Communication port for data transfer through either CMRI or remote device or both is provided (ii) RS 485 for DLMS protocol (iii) Energy recording - Unidirectional

Supply and fixing in replacement of MS work of angles for post and struts of fencing around RMU/Transformer etc drilling holes, flat iron ,fillet for securing wire mess by welding to angle iron frame and framed work as in gate of angle and wire mesh .Door to be fixed by 03 Nos 100mm long hinges and one sliding door bolt of 300mm long for locking arrangement and MS channel for plinth of transformer complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement 3.15mm dia MS wire 75x75mm mesh , made up into mattress or cages appx 2.00 mtr height and fixed with flate iron /angle by welding in position complete all as specified and directed by Engr-in-Charge.

Material & Labour for 2 coat of synthetic enamel painting over a coat of red oxide to MS wire fencing including preparation of surface complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement of UNSV /Burnt MCCBs of capacity 630 Amps, FP, 35 KA, 415 Volts 50 Hz, AC, with microprocessor release fixed in any type of existing LT panel/Feeder piller including taking out old existing unserviceable MCCB from panels etc complete all as specified and directed by Engr-in-Charge.

Material & Labour for painting with two coat of superior aluminium paint including necessary preparation of surfaces of MS fencing by brushing/cleaning complete structure/frame/ gate inclusive of MS wire mesh for 11 KV transformer, RMU/ HT panels/Sub Station upto and including 70 Sqm area complete all as specified and directed by Engr-in-Charge.

Material & Labour for painting of transformer installed on plinth at various site of capacity upto 630 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of SM No, MES and capacity of transformer complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement for Danger Notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white , with letters, figures and conventional skull and bobes in signal red colour and fixed with MS clamps, bolts and nuts of approved size, for HT, 25x20 cm size including taking down old one complete all as specified and directed by Engr-in-Charge.

Supply installation & commissioning in replacement of 24V/40A Float Cum Boost Battery Charger unit including battery bank comprising 02 Nos of 12 Volts-100 AH sealed maintenance free battery. The CCCV battery charger consisting of copper wound, air cooled transformer, 01 Set single phase full wave bridge rectifier consisting of diodes and SCRs, liberally rated mounted on heat sink and complete with resistor/condenser network for surge supperssion . During auto float mode automatic changeover shall take place from float mode to boost mode and vice versa, 01 Set of solid state constant potential controller to stabilize the DC output voltage of the float cum boost charger, 01 No electronic controller , DC digital ammeter , DC digital voltmeter, Potentiometer , DC, MCB for reverse battery protection . The charger should have alarm annunciation with visual and audible alarm with manual reset facility for fuse fail alarm. Float cum boost battery charger and DC distribution board shall be housed in powder coated sheet steel cubicle with panels of 1.6mm thickness , louvers for ventilation , gland plate will be provided for cable entry from bottom . The battery charger shall be divided into two compartments. The upper compartment shall house the battery charger & DCDB with all necessary controls. The lower compartment shall be suitable for housing the batteries. Tech specification shall be as under:- (a) Input working voltage-180 -270 Volts (b) Nominal Input Voltage - 230 V , AC , 50 Hz,1 (c) On load input power factor - > 0.8 (d) On load unit watt efficiencies-> 80% (e) No load losses of complete charge-< 10% (f) Ripple contents on the load (RMS)= 1% to 5% (g) Over load - 110% for 30 minutes and will give visual indication for over load condition. (h) Boost charging - 2.4 V/Cell . (j) Float charging -2.15 V/Cell (k) Float cum boost charging-Automatically changes from one state to another state as per battery condition and will give the visual indication for either float or boost based on charging mode. (l) Reverse polarity -No damage will caused . A visual indication for reverse polarity will appear with an audio alarm. (m) Short circuit-MCB protecton provided. Make of battery charger. Statcon/Sinetrac/Amar Raja Make of batteries. Exide/Amaron/Okaya

Taking out faulty underground 11000 Volt HT cable of different sizes by excavation and removing PCC cover of any size and relaying in the same trenches or re routing after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil and using new bricks as required. Note: (a) 11000 Volt HT cable & joints shall be measured and paid for seperately under respective items of schedule. (b) Retrieved old serviceable PCC cable cover will be laid in trenches for cable protection. If extra bricks and sand required at site shall be measured and paid separately under respective items of BOQs. (c) Excavation and earth work will be measured and paid for seperately under respective items of schedule.

Material & Labour for re-painting of LT Steel tubular poles of any sizes with apply of 2 coats of aluminium paint including rubbing with wire brush/emery paper & writing pole Nos in appropriate size of letters including making yellow and black strips upto height of 1.5 mtr above from ground level ccomplete all as specified and directed by Engr-in-Charge.

Material and labour for spreading of stone aggregate of nominal size not more than 25mm under 4/6 pole HT structure /surounding area of outdoor RMU manually without damaging any equipments, cable or parts , spreading & levelling of finished gravel uniformaly in layers n. ecc. 15 cm thick watered and rammed to true surface complete all as specified and directed by Engr-in-Charge.

Supply, installing, testing and commissioning in replacement of factory made and tested HT Panel board, size: 1200 mm x 1200 mm x 900 mm ,cubical compartmentalized , out door type double door, suitable for 11000 Volts, 3 phase, 50 HZ AC supply system having bus bar chamber with insulated aluminium bus bars of size ,50 mm x 10 mm, 3 Nos installed on SMC insulators suitable for 11000 Volts .The panel shall be dust and vermin proof. IP-65 class protection and shall be made of 3.15 mm CRCA MS sheet, and 50x 50 x 6mm thick MS angle iron frame work, powder coated front and rear opening type, with apron for cable entry closing locking . The fixing of double doors shall be on MS hinges with anti-theft provision (the door can’t be removed from enclosure without cutting enclosure). including excavation, earth work and platform for the panel with PCC 1:4:8 type D-2 with 40 mm graded crushed stone, 15 cm thick in foundation, brick work in CM 1:6 with sub class 'B', old size bricks, rendering 15 mm thick in CM 1:6 on exposed surfaces and 100 mm thick PCC padding 1:3:6, type C-1 using 20 mm graded crushed sotne aggregate on top and grouting bolts etc for panel. The platform shall be such that it is of a height 45 cm above the nearest road level complete all as specified and directed by Engr-in-charge.

Supply & fixing in replacement of cable boot 11 KV in 630 Amps RMU, 7/5/4/3 way complete all as specified and directed by Engr-in-Charge.

Material & Labour for Retro Reflective installation sign board of size 12 Feet x 4 Feet using 3 mm ACP sheet duly riveted / fixed on fabricated stainless steel 304 grade finished hollow section of size 25mm x 50mm with supporting ss strips in base at a height of 7.5 meter above ground level on stainless steel 304 grade pipe of size 80mm embedded 90 CM in PCC 1:2:4 type B 1 block of size 45cmx45cmx90cm including necessary excavation and earth work . The board shall be machine printed and the front of the ACP shall be overall sheathed with blue colour base adhesive tape. The writing matter shall be in English language on both side using reflective adhesive Painter tapes as directed. The size and letters and matter to be printed shall be finalized by Engr-in-Charge.

Supply and fixing mild steel chequered plates Fe410-10-W(Gde-E-250) qualityon cable pit sizes as required on site 6mm to 10 mm thick including taking out old unsv RCC duct cover complete all as specified and directed by Engr-in-Charge.

Note : contractor should procure and provide 50 % of the material as listed above within 15 days of the placing of work order and shall be verified by the Engr-in-charge

ALLIED CONSTRUCTION (BID ID -3113957)

Rajindera Enterprises (BID ID -3109937)

mayur enterprises (BID ID -3102375)

Ridhi engineers and builders (BID ID -3112501)

MV Engineers And Contractors (BID ID -3105278)

Vijay Electricals (BID ID -3111095)

DS CONSTRUCTION (BID ID -3109460)

Microsys Controls India (BID ID -3111792)