Repair and Maintenance of electrical breakdown including fault detection localization and rectification in 33 KV underground cable and overhead lines fault at yard of Kirby Grid Shekhawati grid area of AGE U Elect Supply No I under GE U Elect Supp

Amount

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.

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.

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 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.

Meterial and labour for emergency maintenance work of 33 KV overhead line during breakdown by deploying skilled labourer and electricians at faulty site having Gang of minimum 6 persons and tansportation including hydraulic machine and other tools and plant reqired a site for fault rectification. Note:- Contrator of his rep shall come to the site of breakdown within one hour of notification of breakdown. In case the rep or contractor shall not come to the site of breakdown and start attending breakdown within 1.00 hour a penalty of Rs 1000 per fault per hour will be imposed over contactor and will be deduct from his dues.

All as per Item No.5 here-in before above but Gang of minimum 3 persons except hydraulic machine.

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/33 KV towers 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 made of ACSR conductor of type Zebra/Dog/Goat/Panther/Wolf conductor of 33 KV towers/33 KV yard

Material and labour for surface dressing n exc 15cm deep of soft loose soil of 33 KV towers structrue area complete all as specified as directed

M&L in replacement of damage single/ double/triple tension disc insulators and hardware fitting and fixing in position including tighetning of bolts & nuts, complete after dismentling and lowering of damage conductor/disc insulator by taking tension of conductor on a separate arragement including opening & provinding of jumpers of 33 KV tension towers

M&L in replacement of damage single/ double/triple disc insulator by re-arranging with good/new disc insulators after taking the load of conductor on alternate arrangement including poeoper clamping etc. as per site requirement of 33 KV tower

M&L for stretching/ tightning of loose ACSR conductor including fixing of conductor accessories such as clamp etc as per site condition of Zebra/ Dog/Goat/Panther/Wolf conductor of 33 KV lines Note : Length of indl conductor shall be measured.

M & L Jointing of ACSR conductor of any type with mid span joint through compression joint machine of 33 KV over head lines.

Trimming and cutting of tree branches (not more than 25mm girth) coming across 33 KV HT over head line clearing the line around 2m single/both sides and disposal of branches from site exeeding 50m and not exceeding 250m from site complete all as directed by Engr-in-Charge. Note :- (i) Length of span is approx 200 to 225 RM. (ii) Due care is to be given while trimming/cutting the tree branches that there should no damage to over head line conductor/pole. In case due to any negligence, damage is caused to be make good/ renewal by the contractor from his own resources and nothing extra is admissible. (iii) All safety to labourer must be adhered by the contractor during trimming and cutting of tree branches.

Supplying and fixing, Stretching, Securing, Connecting & testing of Aluminium Conductor Steel Reinforced (ACSR) of size Zebra/Dog/Goat/Panther/Wolf for 33 KV over head lines/33 KV yard complete including taking out old unserviceable conductor complete all as directed.

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

Testing out faulty underground 33 KV HT cable of 400 Sqmm by excavatioin and removing RCC cable covers 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 RCC cable cover as required. 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/bricks will be laid in trenches for cable protection. If extra PCC cover/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.

M&L for Bore earthing 150mm dia buried by vertical boring machine, depth 50 mtr below ground level using earth electrode 50mm dia GI pipe medium grade duly drilled hole of 12mm dia, 115mm C/C on both side of the pipe including lowering in bore well upto the depth of 49mtr and one mtr above the ground level. The pipe electrode should be filled around commericial salt charcoal dust, copper suphate and magnesium phosphate of 30cm layer each upto the full length of pipe. The borewell should have 12mtr of length 150mm dia MS pipe for protection of borewell. Welding of GI Strip 50mmx6mm on earth electrode GI Pipe 50mm dia upto 10mtr below ground level and 15 mtr from the bore well to test point gun metal and PCC foundation surrounding the borewell 60cmx60cm30cm all as directed by Engr-in-charge. GI strip more than 25mtr will be measured and paid separately. Note:- Cost of gun metal test point deemed to be included in the quoted rate.

Excavation in trenches not exc., 1.5m 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 25cm think all as specified and directed.

Removing excavated material (ie soil) from site to a distance n. exc 50mtrs away and depositing where directed at a level n exc. 1.5 mtr above the starting point all as specifed 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 specifed. Note : Measurement shall be taken after punning down

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.35 here-in-before but old cover obtained from item No 31

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 200mm dia suitable for 0.6mpa working pressure

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 38 above but bus isolator without earthing device

S&F cable route indicator made of RCC (Nominal Mix) type B0 1:2:4 (12.5mm graded stone aggregate) with 8mm TMT Bar c/c of size 1m height X 60cm wide X 10cm thick tapered on top, visible above ground, duly painted with synthetic enemel paint of yellow colour base and letters with black paint. The description for writing for HT cable 33 KV as directed by Engr-in-charge complete all as specified and directed. Note : Rate for PCC 1:3:6 for foundation (min size 0.8mx0.3mx0.3m) of aggregate size 20mm for cable route indicator deemed to be included in the item.

M/s Birja Nand

DS CONSTRUCTION

mayur enterprises