REPAIR MAINTENANCE OF HTLT CABLE LT POLES EARTHING AND CONNECTED WORKS AT KARAM VIHAR MAP 285 FD WKSP 261 AB TIGRISH ROAD MAP SUMRAN LINE NPG LINE MAUDE LINE SANYAT LINE PANCHWATI DAD NSB III 20 PUNJAB 147 FD WKSP 15 GRENADIER 218 MED

Amount

All as per item No 2 above but Incomming MCCB 250A- 01 Nos and outgoing MCCB (i) 100Amp - 02 Nos, (ii) 63Amp - 02 Nos. Location : Maude line.

Supplying , installation, testing and commissioning of 11 KV, 630 Amps having short circuit capacity 21kA/3-sec, indoor, RMU (Ring main unit) 3-way comprising of 02 Nos Load Break Switch and 01 Nos 630 Amp VCB electrolytic grade copper busbars all inside single, SF6 gas-filled, alongwith all necessary accessories and fittings as required at site.

(A) 02 Nos Incommer Load Break Switch module each consisting of following accessories :- (i) Each switching-unit is designed as a three position switch. This three function switch combines the functions of switch-disconnector and earthing switch. (ii) 11kV, 630A Load Break Switch -01 No (iii) Capacitive voltage indication fixed type system as per IEC61243 with LED - 01 Set

(B) 01 Nos outgoing VCB module each consisting of following accessories :- (i) Each function-unit consists of a vacuum-circuit breaker in combination with a three position-switch.The three-position-switch fulfills the operation of the disconnector-function and earthing function. (ii) 11kV, 630A Fixed-Type VCB module with series disconnector cum earthing switch of short circuit breaking current/withstand - 21kA/3-sec, Making Capacity - 52.5 KAp-01 No (iii) Right angle boots (push on type)-Each set of 3 (iv) 3O/C + 1E/F self powered numerical protection relay with Low and High set for Over current and Earth Fault. Relay should have facility to display the maximum loaded phase current -01 No (v) Associated ring-core cast-resin insulated CTs 100/1 Amp , 2.5 VA, 5P10 for protection - Each Set of 3 (vi) Push button for breaker trip (vii) Shunt trip coil 24V DC - 01 (viii) Emergency Trip Push Button - 01. Note : (i) Cost of provn of MS channel /angle iron required at site for placing RMU is deemed to be included in the quoted rate. (ii) All retrieved items shall be returned to store yard of MES. Location : New NPG Line.

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. Note : Measurement shall be taken after punning down.

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 9 here-in-before but using old bricks obtained under srl item No 5 here in before.

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 11 here-in-before but using old cable cover obtained under srl item No 1 here in before.

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.

16 Sqmm 4 core

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

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 fixed to pole, including jointing & testing complete all as specified and directed of following sizes Note :- Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately.

95 sqmm 3 core.

120 sqmm 3 core.

185 sqmm 3 core

240 sqmm 3 core

300 sqmm 3 core

Supplying, laying, jointing testing and connecting in replacement HT cable, 11000 volts (E) grade, with Aluminum conductor of size 1000 Sqmm, single core, XLPE insulated, PVC sheathed, screened, Armoured with GI strip(Earthed), screened by a layer of extruded semi conducting cross linkable compound, copper tape, cross laid up with prefiller complete all as specified and directed.

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 11 KV HT cables of different sizes from both ends, removal of Fault, Re-connections and testing of cables after removal of fault complete all as specified and directed. Note: (a) 11 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.

All as per item Ser No 12 above but 1100 Volt LT cables

Taking out faulty underground 1100 Volt LT cable of different sizes by excavation and removing bricks 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) 1100 Volt LT cable & joints shall be measured and paid for seperately under respective items of schedule. (b) Retrieved old serviceable bricks 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 18 above but 11000 Volt HT cables complete all as directed.

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, 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 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

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.

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

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 100 to 150 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

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.

M & L for cutting and removing grass, vegetation bushes etc from surrounding 4 pole/6 pole HT structure , outside area of HT installation and removing all rubbish to a distance not exceeding 50 m as directed.

Cutting of tree branches near/ over/under the OH conductor as directed to Engr-in-Charge.

Note : (i)contractor should 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.

Buddham Builders

Rajindera Enterprises

Ridhi engineers and builders

DS CONSTRUCTION

Vijay Electricals

mayur enterprises

MV Engineers And Contractors