CWE/CHM(U)-41/2024-25 REPAIR/ MAINT OF CERTAIN ESSENTIAL E/M SERVICES RELATED WITH HT SUPPLY NETWORK UNDER GE (U) CHANDIMANDIR

Amount

Disconnecting and taking out defective HT cable of any size complete including joints/ protection pipes etc from trenches/ ducts/ poles etc complete all as specified and as directed by Engineer-in-charge.

Taking out old damaged PCC pole of any size incl breaking PCC foundation and clearing the site complete all as specified and as directed by Engineer-in-charge.

Excavation in trenches in soft/ loose soil not exceeding 1.50 metre wide and not exceeding 1.50 metre in depth, for laying of cable, poles, stay etc. and getting out complete all as specified and as directed by Engineer-in-charge.

All as per Serial Item no 3.00 here-in-before but depth exe 1.5 mtr and not exe 3.0 mtr complete all as specified and as directed by Engineer-in-charge.

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

Removing excavated soil to a distance not exceeding 100 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and as directed by Engineer-in-charge.

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

M&L for dry sand filling under and around UG cable and in cable ducts to provide cushioning all as specified in SSR Part-I complete all as specified and as directed by Engineer-in-charge. Note: Only punned thickness shall be measured and paid.

S&F in repair 100 mm dia bore mild steel galvanized iron tubes, 'light grade' with all fitting and laid in trenches or fixed to pole or laid in floors for protection of cable complete all as specified and as directed by Engineer-in-charge.

S&F in repair 80 mm dia bore mild steel galvanized iron tubes, 'light grade' with all fitting and laid in trenches or fixed to pole or laid in floors for protection of cable complete all as specified and as directed by Engineer-in-charge.

Supply and laying 100 mm outer dia, double walled, corrugated, HDPE duct pipe confirming to IS-14930 Part-II with antirodent and non flame propogating properties of approved colour complete with fitings for cable protection complete all as specified and as directed by Engineer-in-charge.

M&L for PCC 1:4:8 type D-2 (using 40 mm graded crushed stone aggregates) as in pole foundations etc complete all as specified and as directed by Engineer-in-charge.

M&L for PCC 1:3:6 type C-2 (using 40 mm graded crushed stone aggregates) as in foundation filling & mass concrete for poles/ struts/ stay assembly including necessary form work complete all as specified and as directed by Engineer-in-charge.

M&L for PCC 1:2:4 type B-1 (using 20 mm graded crushed stone aggregates) as in pole/ strut coping complete all as specified and as directed by Engineer-in-charge.

Material and labour for E-watch online EMS with annual subscription charges paid having features of 1, 3, 5, 15, 30, 60 minutes data reading/ pooling frequency, real time personalized dashboards, historical graphs and trends views, alarms, downloadable reports via e-mail or spreadsheet reports, carbon monitoring, mobile app/ alerts, on demand reports, open access/ scheduled demand analysis, 03 Nos simultaneous users complete all as specified and as directed by Engineer-in-charge.

M&L for Annual Maintenance contract for eleven months skyline gateway communication module, with 2 No's RS 485 input port with half duplex, screw terminals & upto 115200 bps, cellular 4G/ 3G/ 2G fall back with dual Nano SIM port, 1 No. Ethernet port with 10/ 100 Mbps, PV4/ PV6, over RJ-45, WiFi support IEEE 802.11 b & 2.4 GHz - 03 Nos for 10 Nos meters complete all as specified and as directed by Engineer-in-charge. Note :- Cost of spare parts incorporated shall be deemed to be included in the quoted rate.

M&L for repair of any type of breakdown in HT four pole/ two pole structure by carrying out necessary rectification work and ensuring the availabilty of electric supply in the affected area, including taking down the old defective parts like HT jumpers, moving/ fixed contact blades, MS jumper carriers, tinned copper flexible wires woven connecting jumpers etc. of GOAB switch of cap 400 A/ 200 A, HT pin type/ disc type porcelain insulators, HT fuse wires off size, HT barrel fuse etc. and replacing the same with new ones in stipulated period of time complete all as specified and as directed by Engineer-in-charge.

Note :- (a) The items required for the repair shall be measured and paid separately under respective items. The cost of taking down of old unserviceable/ burnt material shall be deemed to be included in the quoted rates. (b) Conveyance and necessary T&P, ladders etc for maintaining the services shall be provided by the contractor and unit rate quoted will be deemed to include the cost of the same. (c) Repair work shall be initiated within an hour of receipt of intimation of breakdown by JE/ Engineer-in-charge otherwise a penalty of Rs 500 per hour per event shall be levied to the contractor.

Supply only jumpers for HT lines/ connections made from aluminium conductor single core of suitable size complete including winding wires, aluminium tapes etc complete all as specified and as directed by Engineer-in-charge.

Supply only moving contact blade (male contact) suitable for 200 amps 11000 volts outdoor GOAB switch complete all as specified and as directed by Engineer-in-charge.

Supply only spring loaded fixed contacts (female contact jaw) suitable for 200 amps 11000 volts outdoor GOAB switch complete all as specified and as directed by Engineer-in-charge.

Supply only tinned copper flexible wires woven connecting jumper suitable for 200 amps 11000 volts outdoor GOAB switch complete all as specified and as directed by Engineer-in-charge.

Supply only MS jumper carrier for 200 amps 11000 volts outdoor GOAB switch complete all as specified and as directed by Engineer-in-charge.

Supply only moving contact blade (male contact) suitable for 400 amps 11000 volts outdoor GOAB switch complete all as specified and as directed by Engineer-in-charge.

Supply only spring loaded fixed contacts (female contact jaw) suitable for 400 amps 11000 volts outdoor GOAB switch complete all as specified and as directed by Engineer-in-charge.

Supply only tinned copper flexible wires woven connecting jumper suitable for 400 amps 11000 volts outdoor GOAB switch complete all as specified and as directed by Engineer-in-charge.

Supply only MS jumper carrier for 400 amps 11000 volts outdoor GOAB switch complete all as specified and as directed by Engineer-in-charge.

Supply only copper tinned fuse wire, ISI Marked, complete all as specified and as directed by Engineer-in-charge.

Supply only HT insulation tape FR, 0.75 mm thick, 1.90 cm width and 9.0 mtr length packed in box complete all as specified and as directed by Engineer-in-charge. Make- Kappa/ 3M Scotch/ Gemini or as approved by GE

Supply Only GI Nut, bolt, screws, machine made with hexagonal or square heads at one end and screwed the other end with washer and one hexagonal or square nut exc 5 cm and n exc 10 cm long and 5 to 10 mm dia complete all as specified and as directed by Engineer-in-charge.

Supply only HT 11 KV barrel fuse of capacity 10A to 100A, ISI Marked, complete all as specified and as directed by Engineer-in-charge.

M&L for Finding of fault to 11 KV UG cable with suitable fault locator equipment & pin point the fault in the faulty cable including putting a TMT bar of length not exc 80 cm (atleast 40 cm below ground level and remaining portion exposed) and wrapping red colour cloth on the top portion of the TMT bar complete all as specified and as directed by Engineer-in-charge.

M&L for rectification of the fault located by fault locator equipment by excavating the affected area upto a certain length, width and depth, cutting and if required, replacing the faulty part of the cable with new XLPE insulated, screened PVC bedded, galvanised steel strip armoured, heavy duty HT power cable as per exisitng size and jointing with HT straight through heat shrinkable type cable jointing kit for 11 KV grade of suitable size and making the surface good as existing by relaying the rectified cable, sand cushioning, laying of cable cover, returning filling, removal of surplus soil etc. complete all as specified and as directed by Engineer-in-charge.

Note - (a) Excavation work, returning filling work, removal of surplus soil, sand cushioning, laying of HT grade cable cover shall be measured and paid separately under respective items of the BOQ. (b) Cable jointing kit and XLPE cable of required length, if any shall be measured and paid separately under respective items. (c) Cost of necessary T&P shall be deemed to be included in the quoted rates.

Supply only HT straight through heat shrinkable type cable jointing kit for 11 KV grade, XLPE cable of size 95 sqmm 3 core.

All as per Serial item No 33.00 above but cable of size 120 to 185 Sqmm, 3 core.

All as per Serial item No 33.00 above but cable of size 240 Sqmm, 3 core.

Supply, laying, jointing and testing cable, XLPE insulated, screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty), 11000 volts grade with stranded aluminium conductor of size 95 Sqmm 3 core complete all as specified and as directed by Engineer-in-charge.

All as per Serial Item No 36.00 here-in-before but 120 Sqmm 3 core

All as per Serial Item No 36.00 here-in-before but 150 Sqmm 3 core

All as per Serial Item No 36.00 here-in-before but 185 Sqmm 3 core

All as per Serial Item No 36.00 here-in-before but 240 Sqmm 3 core

M&L in replacement cross arms, bracings, supports, clamps and back plates fabricated from structural steel section including nuts, bolts, washers, welding, bending (cold or hot), drilling holes for bolts bent to any shape or size as indicated or directed inclusive of one primer coat of red oxide primer and two coats of aluminium paint complete all as specified and as directed by Engineer-in-charge.

S&F in replacement outdoor gang operated air break switches, 12 insultors vertical isolation type, triple pole, manually operated, mounted on insulators and steel frame complete with all accessories & drop out fuse unit, with operating mechanism worked from ground level for rating 400 Amps, 11000 volts complete with GI operating pipe of heavy duty grade of suitable length complete all as specified and as directed by Engineer-in-charge.

S&F steel tubular swaged poles complete with mild steel base plate, closed at top as specified, type 410 SP-55 (11 metre long) including painting with two coats of black bitumonous paint externally up to the planted depth and internally through out and remaining external portion with two coats of aluminium paint, over a coat of red oxide primer complete all as specified. NOTE: Excavation & earthwork, foundation concrete will be meaured & paid for separately under respective item(s).

M&L for rectification of faults in outdoor type 11 KV HT panels by carrying out necessary reapir work like setting up the protection relays, checking for and clearing the fault on Fault Level Indicator meter, tripping the RMU with the help of handle, opening the panel doors by properly earthing the internal circuit, decarbonizing the conducting parts with CRC power spray, de-humidifying the RMU panel by setting up the heating elemment and thermostat in the panel, cleaning the carbon out with dry cotton and making the HT panel ready for re-operation by resetting the relays and completing the internal circuit of the RMU, complete all as specified and as directed by Engineer-in-charge. Note - Spares shall be measured and paid in respective items.

M&L for Shifting of transformers/ PCC Poles/ Steel Tubular Poles using hydra/ crane etc of suitable size from existing position/ site and fixing on another site/ pole structure/ plinth/ store yard including necessary connections/ disconnections complete all as specified and as directed by Engineer-in-charge. Note- Excavation work, PCC Work if required shall be measured and paid separately in respective items of BOQ.

M&L in replacement Sealed maintenance Free Lead Acid Battery 12 Volt 42 AH for UPS including taking down old unserviceble battery complete all as specified and as directed by Engineer-in-charge.

Supply and fixing in repair HT heat shrinkable type outdoor end termination cable jointing kit, suitable for 11 KV (Earthed) grade XLPE cable of size 95 Sqmm, 3 core complete all as specified and as directed by Engineer-in-charge.

All as per Serial Item No 47.00 here-in-before but cable of size 120 to 185 Sqmm, 3 core.

All as per Serial Item No 47.00 here-in-before but cable of size 240 Sqmm, 3 core.

Supply and fixing in reapir HT heat shrinkable type indoor end termination cable jointing kit suitable for 11000 volt (Earthed) grade XLPE cable of size 95.00 Sqmm, 3 core complete all as specified and as directed by Engineer-in-charge.

All as per Serial Item No 50.00 above but cable of size 120 to 185 Sqmm, 3 core.

All as per Serial Item No 50.00 above but cable of size 240 Sqmm, 3 core.

M&L for rectification of faults in indoor type 11 KV HT panels by carrying out necessary repair work like setting up the protection relays, clearing the fault on Fault Level Indicator meter, tripping the VCB, taking the trolley out, de-carbonizing the conducting parts with CRC power spray, de-humidifying the VCB panel by setting up the heating element and thermostat in the panel, cleaning the carbon out with dry cotton and making the HT panel ready for re-operation by resetting the relays and mount the VCB trolley in, complete all as specified and as directed by Engineer-in-charge. Note - Spares shall be measured and paid in respective items.

Supply and fixing in repair chequred rubber mat for electrical purpose, ISI marked of size 1 mtr X 2 mtr and 19 mm thickness complete all as specified and as directed by Engineer-in-charge.

Supply only CRC 2-26 power spray 500 ml bottle.

Supply and fixing in repair HT cable boots for HT end termination suitable for 11 KV HT RMU of any make and type complete all as specified and as directed by Engineer-in-charge.

R D Bansal (BID ID -3068760)

Vasudeva Trading Co. (BID ID -3068193)

JAMDAGNI ENGG WORKS (BID ID -3078537)

Bharat Enterprises (BID ID -3065868)

Jai Maa Electrical Works (BID ID -3080027)