Repair and maintenance of electrical breakdown including fault detection localisation and rectification in underground 33 KV 11 KV LT Cable network at AOC COD MH Line CICP BOR 505 ABW ESD Shamshan Ghat FOL Depot NSB II ME Line Fodder Line 17 Sikh LI

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 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 all as specified and directed.

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 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.

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1, flat size 300mmx 180mm x 40mm.

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

S&F sub class B bricks having minimum compressive strength 75 Kg/ Sqcm laid in trenches for cable protection etc complete all as directed by Engineer-in-Charge.

All as per srl item No 7 here-in-before but using old bricks obtained under srl item No 1 here in before.

Supplying & Laying reinforced precast concrete cable cover, class EHV, type 1 with peak, size 450mm x 230mm x 50mm in trenches for protecting under groung cable as per IS (for 33 KV Cable) complete all as specified and directed.

All as per item No.9 here-in-before but old cover obtained from item No 1

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 of following sizes

95 sqmm 3 core.

120 sqmm 3 core.

185 sqmm 3 core

240 sqmm 3 core

300 sqmm 3 core

1000 sqmm single core

Supply, laying, jointing, testing and commissioning in replacment LT underground cables 1100 volts grade, PVC insulated XLPE and PVC sheathed, heavy duty armoured, with multistranded aluminium conductors, IS-1554 marked, laid in trenches complete all as specified and directed. Cables of the following sizes:- Note Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately.

25 Sqmm 4 core

35 Sq mm 3.5 core.

50 Sq mm 3.5 core.

70 Sqmm 3.5 core

95 Sqmm 3.5 core

120 Sqmm 3.5 core

185 Sqmm 3.5 core

240 Sqmm 3.5 core

300 Sqmm 3.5 core

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.6 mpa working pressure

Boring of hole under road/pavement/hard standing or any other situation by mannual means and suitable for passing of GI pipe 80 to 100 mm bore and making good both ends all specified and directed

S&F in replacement GI Pipe (light grade) with necessary accessories/ fittings for cable protections/pole for crossing of culverts/nallah of following bore sizes

Testing the cables with high voltage DC testing machine and locating the fault in the cables by fault locating machine to pin point exact position of fault, disconnecting faulty 33 KV HT cables of different sizes from both ends, removal of Fault, Re-connections and testing of ables after removal of fault complete all as specified and directed. Note: (a) 33 KV HT cable & joints shall be measured and paid for seperately under respective items of schedule. (b) Retrieved old serviceable cable cover will be laid in trenches for cable protection. If extra PCC cover 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.

All as per item Ser No 16 above but 11000 Volt HT cables

All as per item Ser No 16 above but 1100 Volt LT cables

Taking out faulty underground 1100 Volt LT cable of different sizes by excavation and removing bricks/cable covers 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/cable covers as required. Note: (a) 1100 Volt LT cable & joints shall be measured and paid for seperately under respective items of schedule. (b) Retrieved old serviceable bricks/cable covers will be laid in trenches for cable protection. If extra bricks/PCC cable cover 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.

All as per item Ser No 17 above but 11000 Volt HT cables

All as per item Ser No 17 above but 33000 Volt HT cables

Material and labour disconnecting faulty /burnt end or portion of cable by removing the cable from loop including necessary excavation & earth work , suitable size of thimble LT tap , relaying and reconnecting the cable by removing faulty/burnt portion of cable and preparing fresh terminals for 25 Sqmm 3.5/4 core to 240 Sqmm 3.5 core of LT cable to LT Panel/pole/main switch complete all as directed.

Supply and fix 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 300 Sqmm 3 core

1000 sqmm single core

Supply and fix cable jointing kit for 33 KV (Earthed ) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for XLPE armoured aluminium conductor cable of size 3 core 400 sqmm.

Supply and fix 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 300 Sqmm 3 core

1000 sqmm single core

Supply and fix cable jointing kit for 33 KV (Earthed ) grade cable for straight though heat shrink type joint complete with jointing meterial and accessories suitable for XLPE armoured aluminium conductor cable of size 3 core 400 sqmm.

Supply and fix 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 300 Sqmm 3 core

Supply, fixing and testing straight through joint heat shrinkable type with jointing kit suitable for cable PVC/XLPE insulated armoured heavy duty aluminium conductor 1100 Volts grade complete all as directed for the following sizes :-

25-50 Sqmm x 3.5 core/ 4 core

70-150 Sqmm x 3.5 core

185 -240 Sqmm x 3.5 core

Supply and fix in replacement air break switch gang operated tripple pole mechanically operated mechanism, switch air break gang operated mounted on 15 Nos insulator and steel frame with operating rod of 25 mm bore GI Pipe and locking arrangements worked from ground level for current rating 400 Amps, HT 11 KV grade including drop out fuses and necessary silver coper coating jumpers and making all electrical connections complete.

Earthing complete with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 2.25 m below normal ground level) with top edge of earth plate not less than 1.5m below normal ground level, connected to galvanized lead wire 4mm dia 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 15 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.

Supplying and Fixing in replacement, PG clamps aluminium cast alloy suitable for existing ACSR conductor of type Zebra/Dog/Goat/Panther/Wolf for 33 KV yard with GI nuts, boits etc complete all as specified and directed.

S&F in replacement lsolators clamps aluminium cast alloy for both terminals suitable for ACSR conductor of type Zebra/Dog/Goat/Panther/Wolf for 33 KV yard with GI nuts bolts complete all as specified and directed.

Supplying and Fixing in replascement, T-connector/ clamps, aluminium cast alloy suitable for existing ACSR conductor of type Zebra/Dog/Goat/Panther/Wolf for 33 KV yard with GI nuts bolts complete all as specifed and directed.

S&F in replacement CT clamps aluminium cast alloy for both terminals suitable for ACSR conductor of type Zebra/Dog/Goat/Panther/Wolf for 33 KV yard with GI nuts bolts complete all specified and directed

S&F in replacement PT clamps aluminium cast alloy for both terminals suitable for ACSR conductor of type Zebra/Dog/Goat/Panther/Wolf for 33 KV yard with Ginuts bolts complete all as specified and directed

S&F in replacement dead end clamps aluminium cast alloy for both terminals suitable for ACSR conductor of type Zebra/Dog/Goat/Panther/Wolf of 33 KV towers with Ginuts bolts complete all as specified and directed

S&F in replacement 33 circuit breaker clamp aluminium cast alloy for both terminals suitable for ACSR conductor of type Zebra/Dog/Goat/Panther/Wolf for 33 KV yard with GI nuts bolts complete all as specified and directed

Supplying and Fixing in replacement, Post insulator with hardware fittings, 33 KV Grade, for isolator complete all as specified and directed.

Supplying and fixing in replacement, Disc insulators with hardware fittings, 33 KV Grade for 33 KV yard complete all as specified and directed.

S&F in replacement of pin insulator with hardware fittings 33 KV grade complete all as specified and directed

M&L for replacement of aluminium jumper 1.5 mtr length made of ACSR conductor of type Zebra/Dog/Goat/Panther/Wolf conductor of 33 KV yard

All as per item Ser No 37 above but above 1.5 mtr to 2.5 mtr length

All as per item Ser No 37 above but above 2.5 mtr to 3.5 mtr length

Supplying and Fixing in repairs, male/moving contact/ rotating blade of HDE copper silver plated of Air Brake, off load isolator switch, rotating type, 33 KV, 1250 Amps capacity with all fixing nuts, bolts etc complete all as specified and directed.

Supplying and Fixing in repairs, Fixed Contacts, made of HDE copper, silver plated, of Air Brake, off load isolator switch, rotating type, 33 KV 1250 Amps capacity with all fixing nuts, bolts etc. complete all as specified and directed.

Supplying and fixing of terminal pad for Air Brake, off load isolator switch, rotating type, 33 KV, 1250 Amps capacity

Supplying and fixing of arching horn for Air Brake, off load isolator switch, rotating type, 33 KV, 1250 Amps capacity

Supply , installation, testing and commissioning in replacement of air bake off load line isolator switch rotating type manually gear drive mechanism operated highest system voltage 36 KV rated current 1250 Amps triple pole with earthing device each pole consist of insulating pedestals 03 Nos on galvanized steel base as per BSS /IS incuding rotating blade of HDE copper and fixed contacts of same material , spring loaded arcing horns of adequate section to brake magnetizing current of transformer as directed with adequate 50mm dia GI operating pipe for operation from ground level and operating handle complete with both off and on positions complete all as specified and directed.

All as per item No 42 here in before but bus isolator without earthing device

S&F in replacement 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, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of aluminium paint on 4/6 pole 11 KV HT structure

Material and labour for sprading 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 all as specified and directed

M&L for Demolation of road, path, drain and concrete in ground floors, RCC/Brick wall (below or above ground level) complete all as specified and as directed.

M&L for providing cement concrete 1:2:4 type B-2 (using 40 mm grade crushed stone aggregate) 250 mm Thick complete all as specified and as directed by Engr in charge.

Supplying, laying, jointing testing and connecting XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conducators, 3 3 KV (E) grade, of size 400 sq mm, 3 core, laid in trenches complete all as specifed & directed in replacement of underground cable. Note :- Excavation, earth work, cable protection, sand fillings, cable joint shall be measured and paid separately.

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 Eng-in-charge

Rajindera Enterprises

Vijay Electricals

Buddham Builders

M/s Birja Nand

MV Engineers And Contractors

DS CONSTRUCTION