Repair and maintenance to HT cable HT 4 pole 6 pole GO DO fencing and connected items at 4 No P F Station Road Maude Road Church Road Cassel Road Manekshaw Enclave Manekshaw Centre Mall Road Polo Road Tigris Road Mandir Marg Harbaksh Stadium Parade R

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 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 of following sizes

95 sqmm 3 core.

120 sqmm 3 core.

185 sqmm 3 core

240 sqmm 3 core

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

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

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 2.10 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 5 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 2 coat of aluminium painting over a coat of red oxide to steel surfaces of HT 4/6 pole sturcture (Angle Iron/MS channel /MS clamp etc) including preparation of old surface complete all as specified.

Material & Labour for replacement of jumper/bus bar made of ACSR conductor of existing size on HT Four/Six pole structure having 2/3 incoming/outoing feeder including bus bar with PVC sleeve , lugs , nut bolts and washers complete all as directed.

All as per Serial item No 17 here-in-before but 4/6 incoming/outoing feeder

S&F MS work of angles for post and struts of fencing around transformers and RMU 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 mess . Door to be fixed by 03 Nos 100 mm long hinges and one sliding door bolt of 300mm long for locking arrangement and MS channel for plinth of transformer complete all as specifed and directed.

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.

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

Suplying and laying as replacement in sub station fixing 3.3 to 11 KV electrical insulation mat complete all as directed by Engr-in-charge

Supplying and fixing in replacement male contact/moving contact for gang operated air break device 11 KV complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement female contact /fix contact jaw for gang operated air break device 11 KV complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement tinned copper flexible jumper 200 Amp/400 Amp for gang operated air break device 11 KV complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement MS jumper carrier for gang operated air break device 11 KV complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement back connector plate for gang operated air break device 11 KV complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement porcelain post insulator for gang operated air break device 11 KV complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement drop out fuse element 5 to 25 Amp complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement drop out fuse element 50 Amp complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement drop out fuse element 60 Amp complete all as directed at site by Engr-in-charge.

Supplying and fixing in replacement drop out fuse element 100 Amp complete all as directed at site by Engr-in-charge.

Supply installation & commissioning in replacement of SCR Controlled Automatic 50V/30A Float Cum Boost battery harger and D.C. Distribution Board in a Common Cubicle.The Charger is suitable for 230V +/-10% Single Phase AC Input and the Output is suitable to Float/Boost Charge 50V ,200AH Batteries and also supply Load. The Output remains constant within +/- 2 % for AC Input Voltage variation 230V +/- 10% and Load variation 0-100 %.DC distribution board provided of 63 Amps , DP MCB as incommer and 03 Nos, 16/20 Amps , DP MCB for outgoing including 50Volt 200AH SMF VRLA Battery Bank consisting of 25 Cells of 2Volt 200AH capacity complete with copper Inter cell connectors, SS Nut Bolts & Washers, housing in self contained floor mounted cabinet sheet steel powder coated complete all as specified and directed

S&F in replacement pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers,nut size 150 mm height 150mm dia, 11000 volts grade complete all as specified and directed.

S&F 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.

S&F in replacement Lightening arrestors expulsion type with all fittings, transmission class, discharge capacity 10 kilo Amps suitable for 11000 volts complete as specified and directed.

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.

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.

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 1 core XLPE armoured aluminium conductor cable 1000 Sqmm

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 1 core XLPE armoured aluminium conductor cable 1000 Sqmm

Supplying, installation, testing and commissioning of 11 KV, 630 Amps having short circuit capacity 20kA/3-sec, Outdoor (IP54), RMU (Ring Main Unit) 5-way comprising of 02 Nos motorized operated Load Break Switches and 03 Nos 630 Amp Fixed-Type motorized spring-charging VCBs electrolytic grade copper busbars all inside single, gas-filled, robotically welded stainless steel 304 (Non Ferrite Non Megnetic Grade) tank with minimum thickness 3+0.5 mm, IP 67 Degree of Protection, internal-arc classified 20kA/1sec, on-site-repairable with site replacable bushing/coupling/mechanism, gas refilling etc. The enclosure shall have padlockable double-door access with anti-theft hinges, fully covering the front facia and cable boxes to ensure fail-safe anti-theft protection. The unit alongwith Bus-connected, fixed-type Auxiliary Transformer shall include the following along with all necessary accessories and fittings as required at site.

(A) 02 Nos Incoming Load Break Switches module each consisting of following accessories :- (i) Each switching-unit shall be 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 with interlocked line-earthing scheme both short circuit current - 20kA/3-sec, Making Capacity - 50kAp - 01 No (iii) Auxiliary contacts - 1NO + 1NC - 01 No (iv) Spring-assisted snap-action motorized mechanism with un-inhibited operating shaft for emergency manual operation with integrated earthing switch - 01 No (v) Cable terminals (site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes) with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access upto 11 KV , 300 Sqmm , 3 Core , XLPE AL cable termination in live-condition : Each Set of 03 (vi) Right angle boots (push on type) : Each Set of 03 (vii) Arc proof cable covers having cable entry from bottom, front with Interlocking mechanism including earth switch - 01 No (viii) Capacitive voltage indication fixed type system as per IEC61243 with LED - 01 Set (ix) Fault Passage Indicator - It shall be provided for each incomer load break unit, FPI with LED/digital display to be added for detection of cable fault - 01 No (x) ON, OFF, EARTH mechanical indication on the front mimic of the panel - 01 No

(B) 03 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 - 20kA/3-sec, Making Capacity - 50kAp-01 No (iii) Aux. contacts - 1NO+1NC-01 No (iv) Stored-energy motorized high-endurance spring charging mechanism (M1+), with inbuilt spring-charging lever and mechanically latched ON/OFF push-buttons to allow handle-less and un-inhibited operation -01 No (v) Cable terminals (site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes) with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access upto 11 KV , 185 Sqmm , 3 Core, XLPE AL cable termination in live-condition. Each Set of 3 (vi) Right angle boots (push on type)-Each set of 3 (vii) 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 also.Relay shall record minimum 5 fault records with time stamping . Relay shall be communicable with RS 485 Port on MODBUS Protocol-01 No

(viii) Associated ring-core cast-resin insulated CTs 50/1 Amp , 2.5 VA, 10P10 for protection - Each Set of 3 (ix) Arc proof cable covers with self Interlocking mechanism with earth switch -01 No (x) Capacitive voltage indication fixed type system as per IEC61243 with LED -01 No (xi) Push button for breaker trip (xii) Shunt trip coil 24V DC - 01 (xiii) ON, OFF, TRIP mechanical indication on the front mimic of the panel - 01. (xiv) Emergency Trip Push Button - 01. (C) 01 No. Bus-connected, fixed-type Auxiliary transformer with floor-mounted compartment of matching height and depth, positioned along-side RMU to provide required aux. supply and metering consisting of following accessories :- (i) 1-Ph (11kV/rt3):230VAC, 500VA Auxiliary transformer-01 No (ii) 2x12 Volt DC battery-01 Set (iii) Battery charger-01 No (iv) HRC fuse-links for primary side isolation and AC/DC MCBs for secondary isolation-01 Set (v) Voltmeter & RYB LED Indications to confirm AC/DC supply availability-01 Set (vi) Anti-condensation space-heater-01 No (vii) CFL lamp for illumination and 3-pin socket with switch -01 No

(D) Additional equipment deliverd separately or mounted seperately :- (i) Operationg Handle for Manual Isolator/Disconnector/Earthing Operation - 02 Nos (ii) Standard Manometer - 01 No (iii) Operation and Maintenance Manual - 01 No (iv) Installation & Commissioning Manual - 01 No (v) Cable clamping provision (standard) - 01No

Note:- (i) It shall be preferable to have all feeder-switches inside single stainless steel compartment with incomer feeders at the extremities to prevent chances of failure due to plug-in coupling arrangement. (ii) Necessay interclocking arrangement shall be provided for safety and operations (iii) Above switchgear shall confirm to relevant IEC (62271-200) for design, manufacturing and internal arc compliance. Any claims towards internal arc compliance, number of mechanical/electrical/short-circuit operations, gas-leakage rates etc. shall not be accepted unless proven via type-test reports of model being offered. (iv) Cost of Provision of Plinth for RMU as per OEM drawing shall be deemed to be included in the cost inserted by the bidders.

M&L Brick work with sub-class 'B' bricks, straight or curved on plan exc 6 m mean radius, built in cement mortar 1:6 complete as specified and directed .

M&L Rendering 15mm thick on fair faces of brick work or concrete surfaces in cement mortar (1:4) finished fair and even without using extra cement complete as specified and directed.

M & L for PCC 1:3:6 type C-2 (using 40 mm gradded aggregate) for foundation, filling and mass concrete etc complete all as specified and directed .

M & L for cement concrete type B-2, 1:2:4, 75 mm thick (using 40 mm gradded aggregate) for floors and paving etc complete all as specified and directed.

S&F 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 directed .

M & L for 2 coat of synthetic enamel painting over a coat of red oxide to steel surfaces including preparation of newly surface complete all as specified.

Disconnecting electrically (and mechanically, ) outdoor transforemrs upto 500 KVA capacity, lowering down from 6 pole structure carefully and Re-installation of transformer on plinth , connecting electrically and mechanically, testing and commissioning complete all as specified and directed.( rete is deemed to be inclusive of , T&P and man power ) complete all as specified and directed.

Dismantling of HT insulators any type, any size complete all as specified and directed,

Dismantling of air break gang operated switches vertical/horizontal mounted including insulators and operating mechanism.

Dismantling of cross-arms or M.S. channel or angle sections.

Dismantling of GI pipe 80mm dia .

Dismentaling of existing 6 pole structure.( rete is deemed to be inclusive of , T&P and man power ) complete all as specified and directed.

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

Vijay Electricals

Buddham Builders

mayur enterprises

MV Engineers And Contractors

Ridhi engineers and builders

Microsys Controls India

M/s Dharya Enterprises