Military Engineer Services Tender
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Military Engineer Services - MES Tender
Civil And Construction
Water Storage And Supply
Eprocure
Opening Date14 Nov 2024
Closing Date12 Dec 2024
Tender Amount₹ 68,50,000
Costs
EMD
₹ 1,28,000Document Cost
₹ 1,000Tender Fee
Refer Documents
Summary
81143 Special Repair For Replacement Of Old Vintage Four Pole/ Two Pole Structures With Sf6 Based Ring Main Units At Inhs Dhanvantari Under Ge Minniebay
Description
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Contact
Tender Id
2024_MES_683846_1Tender No
81143 SPECIAL REPAIR FOR REPLACEMENT OF OLD VINTAGE FOUR POLE/ TWO POLE STRUCTURES WITH SF6 BASEDTender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
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Documents
BOQ Items
[B] Each Vacuum Circuit Breaker [VCB] shall be comprising of the following:
[i] 11 KV, 630 Amps, 21 kA/ 3s, 3 Pole Motorised VCB (Non draw out type) with 3 pole manual disconnector and 3 pole manual earth switch, Motorized Spring Assisted Mechanism and Series Trip Coil – 1 No.
[ii] Self Powered Relay with O/C, S/C, E/F Protection. Relay shall have a Front USB for Laptop Interface, LCD Display, 10 Event Records, 5 Fault Records, min 2 setting group and keypad for setting parameters for the relay – 1 No
[iii] Resin Cast ring core Protection CT, Plate mounted type : 200-100/1A, 5P10, 2.5 VA-01 Set.
[iv] Resin Cast ring core Metering CT, Plate mounted type : 200-100/1A, Cl. 1.0, 2.5 VA-01 Set.
[iv] Live Cable Indicator with indications at the Front and Three Inlets to check the Synchronization of Phases – 1 No or as per OEM design
[v] Making capacity - 52.5 kAp
[vi] Cable Termination Bushing suitable for up to 1 Run, 3 Core, 185 Sq.mm, XLPE Cable – 1 Set
[vii] Cable Termination Cover Boots [Push on type] – 1 Set.
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[viii] Circuit Breakers shall have Two Positions: Open or Disconnected and Closed. A separate and independent 3 Position Earthing Switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorised operations. An operating mechanism shall be used to manually close the circuit breaker and charge the mechanism in a single movement. An independent mechanism shall be fitted for the 3 Positions Earthing Switch and Disconnector Circuit breaker shall be fitted with a local system for manual tripping by an Integrated Push Button. There shall be no automatic reclosing. Circuit Breaker shall have a min of 2000 Mechanical and Electrical Operations and 50 Nos Short Circuit Operations, Disconnector and Earth Switch shall have a minimum of 1000 [M1] Mechanical Operations , 100 Electrical Operations at rated current.
[C] Air Insulated Bus Connected Metering Unit comprising the following: – 1 Set
[i] Air Insulated Enclosure with necessary Bus Connection – 1 No [ii] PT 11KV / √3 / 110V / √3, 50 VA, Class-1.0 – 1 Set
[iii] Multi Function Meter, Digital Type [Displaying A, V, PF, Hz, KVA, KW, KVAR, KWH, KVARH etc. Class 1.0 / 0.5] with RS485 Port for Communication in Modbus Protocol. - 01 Set
[iv] R / Y / B Indicating Lamps – 1 Set
[v] Provn of control wiring with DWC/CPVC protection pipe from nearest substation LT panel or RMU
[vi] Battery and Battery Charger, 12 Ah, [I/P-230V AC, O/P - 24V DC] – 1 No or as per OEM design.
[D] Space Heater with thermostat
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[E] 2 x 8 or as per OEM design Window Alarm Annunciator and Hooter.
Notes:
[a] The IAC in front, lateral and rear AFLR 21 kA – 1 Sec, Downwards Exhaust, for Tank as well as Cable Compartment of the RMU Switch board during an internal fault shall not be exposed to the effects of Arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 Sec for both Tank & Cable Box.
[b] All operations shall be from front of the RMU, including access to cable bushings. Bushings along the sides or the rear of the RMU are not acceptable.
[c] The quoted rate is deemed to be inclusive of, to provide minimum 04 No operating handles for operation of RMU.
[c] Construction of Plinth / Foundation for 11KV RMU: The rate quoted is deemed to be including the cost of Plinth / Foundation and shall not be paid as extra on this account. The foundation shall consists of Two Parallel solid block masonry straight or curved on plan to any radius built in Cement Mortar 1:6 of suitable length, suitable thickness and height as per the manufacturer’s instructions over PCC Concrete Bed of 150mm thick in PCC 1:4:8, Type D-2, using 40mm graded stone aggregate over 150mm thick Hardcore of gauge not exceeding 63mm of broken stones or boulders, deposited, spread and levelled in layers not exceeding 15 cm thick watered and rolled, over 150mm thick Sand Bed, rendering to brick surfaces, 15 mm thick in Cement Mortar 1:4, and finishing the top surface even and smooth without using extra cement, applying Three coats of white washing including earthwork excavation complete all as per manufacturer’s recommendations, drawings, as specified and as directed.
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[d] The rate quoted is also deemed to be including the cost of disconnection of HT Cables up to 3 Core, 185 Sq.mm from existing 2 Pole / 4 Pole Structures, removing of cable loop and reconnection to RMU complete all as specified and as directed by the Engineer-in-Charge.
[e] End termination joints and Shifting/ relaying of cable from structure to RMU shall be measured and paid separately.
[f] The make of RMU/ VCB/ vacuum interrupter/ Relays offered shall be of same make/ OEM approved makes.
(g) The Contractor shall submit GA drawings of RMU for approval of GE before placing order. The Contractor shall make all necessary arrangements for pre-despatch inspection at manufacturer site or e-testing as directed by Accepting Officer and for pre-commissioning test by SEI/EI/ ESO or any testing officer as nominated by HQ CE (A&N) Zone through Accepting Officer after installation of RMU. The cost for the same is deemed to be included in quoted rate.
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M & L for shifting/ Relaying of HT UG cable of sizes 95 Sqmm to 120 Sqmm from structure to RMU complete all as specified and as directed
Note: necessary excavation earthwork shall be measured and paid seperately.
100
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Supply, laying in trenches/ ducts, fixed on walls, passing through pipes, testing & termination of HT UG cable, XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with stranded aluminium conductor 11 KV (earthed) grade cable of following sizes including taking down defective cable complete all as specified and as directed.
Note:-
(i) HT end termination kits/ straight through joints will be measured and paid separately.
(iI) Excavation earth work shall be measured and paid seperately.
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3 Core 120 Sqmm
600
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3 Core 95 Sqmm
90
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Excavating in trenches n. exc. 1.5m wide and n. exc. 1.5m in depth for foundation etc. or for shafts, wells, cesspits, manholes, pier holes etc. n. exc. 10sq.m. on plan and n. exc. 1.5m in depth and getting out in soft / loose soil complete all as specified and as directed.
199
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Returning, filling in including spreading leveling watering and well ramming in layers not exc 25cm in any type of soil complete all as specified and as directed.
177.1
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Removing excavated materials to a distance not exc. 50m and depositing where directed at a level n.exc 1.50m above the starting point complete all as specified and as directed.
21.9
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M&L for river sand filling in trenches spreading and levelling in layers n. exc 25cm thick and well ramming including watering as required complete all as specified and as directed.
39
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Supply & Laying reinforced precast concrete cable cover, class HV, type 2 with flat, size 450mm x 180mm x 40mm complete all as specified and as directed.
2683
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Supply and lay 80 mm dia GI tubes light grade galvanised with all fittings laid in trenches etc for protection of cable including taking down of old unserviceable GI pipe of complete all as specified and as directed.
12
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Supply & fix cable jointing kit for 11 KV grade XLPE cable for Indoor end termination cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 50 Sqmm to 95 sqmm, testing after jointing including taking down defective end joint complete all as specified and as directed.
4
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Supply & fix cable jointing kit for 11 KV grade XLPE cable for Indoor end termination cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 Sqmm to 185 sqmm, testing after jointing including taking down defective end joint complete all as specified and as directed.
6
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Supply and fix cable jointing kit for 11 KV grade XLPE cable for straight through joint, cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE , armoured, Al conductor cable of size 50 sqmm to 95 sqmm, testing after jointing including taking down defective end joint complete all as specified and as directed.
2
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Supply and fix cable jointing kit for 11 KV grade XLPE cable for straight through joint, cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE , armoured, Al conductor cable of size 120 sqmm to 185 sqmm, testing after jointing including taking down defective end joint complete all as specified and as directed.
2
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Material and labour for earthing with galvanised earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly in ground vertically to a depth of not less than 2.25 mtr below ground level connected to galvanised iron strip 32 mm x 6 mm by means of GI Welding made out of galvanised iron mild steel and 40 mm dia GI pipe "light grade" for protection of earth lead, 20 mm dia GI pipe for watering and earth plate surrounded by packed layer of coal and common salt, 15cm thick all around bottom and top, watering pipe of 20 mm bore of light grade with funnel all as shown in electrical plate No 3 of SSR Part-I (2009) and connecting to earthing test point, main switch board/ transformer neutral/ RMU and testing on completion as directed including earthing pit in PCC (1:3:6) type C-1, pre-cast reinforced cover with MS XPM Jalli, RCC 1:1.5:3 cover slab of size 300 x 300 x 100 mm with one handle made out of 8 mm dia round bar, wire mesh and testing complete all as specified and as directed including dismantling old defective earth pit.
Note: (i) Cost of GI earth Strip and GI protection pipe upto 7.5mtr length shall be deemed to be included in the rate quoted for this item.
(ii) The unit rate shall also includes for Wire mesh, funnel, excavation, returning & filling, PCC chamber pit, RCC cover & test point.
2
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