AUGMENTATION OF ELECTRIC SUPPLY FOR SECT D AT DINJAN MIL STN UNDER GE DINJAN

Amount

Supply , install, testing and commissioning of distribution transformer step down, copper wounded having primary side for HT three phase 11 KV & secondary for 433 Volt , 3 phase, 50 c/s capcity of 500 KVA having energy efficiency level 3 with the following specifications:- (i) No load voltage ratio-11/0/433 KV (ii) Nos of phase- Three (iii) Type of cooling - ONAN (iv) Frequency - 50 c/s (v) Vector group - DYN 11 (vi) Two earthing terminals for body earthing and two additional for neutral brought out on a bushing. (vii) Oil level guage indiczaitng oil level minium and maximum. (viii) Lifting lugs. (ix) Rating and terminal marking plates. (x) Dehydrating breathing device which woild not permit ingress of moisute, rain water and insects. (xi) Drain-cum sampling valve (3/4 " nominal size thread) with cover (for transformers withour conservator). (xii) Thermometr pocket(for transformers of rating above 25 KVA) (xiii) Oil filling hole (1-1/4" Nominal size thread) with cover (for transformers without conservator) (xiv) Connection-Delta / Star (xv) Temperature rise in oil - 45 deg Centrigrade (xvi) Temperature rise in winding - 55 deg Centrigrade (xvii) Material winding-Copper wound (xviii) High voltage/low voltage-Bushing with box (xix) Service-Outdoor type (xx) Neutral - Internally connected with earth lead and bush. (xxi) Tapping range and tapping methods :- As per IS 1180 - 2014 off load +7.5 % to -10% in steps 2.5% for variation of HV (xxii) Maximum losses of transformer shall be enrgy efficiency level-3 as per IS-1180 (Part-I):- 2014 (xxiii) Other accessories as per IS 1180 (Part-I) ;- 2014 & 2026 (xxiv) The permissible temperature rise in transormer winding shall not exceed 40 deg C When measured by thermometer method. (xxv) No load current shall not exceed 2 % fo full load current when transformer in energized at rated voltage and frequency. (xxvi) FITTING ACCESSORIES :- as per clause no 149.14.1.2 of SSR Part-I and as per IS Note : (i) The quoted rate of transformer shall be including of suitable PCC foundation and plinth height of plinth minimun 1.0 m from ground level for mounting of transformer as per manufacturer's recommendation.

S&L cable XLPE insulated screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 400 sq mm 3.5 core complete all as specified and as directed.

S&L cable XLPE insulated screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 500 sq mm 3.5 core complete all as specified and as directed.

S&L cable XLPE insulated screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 11000 Volts grade with stranded aluminium conductor of size 95 sq mm 3 core complete all as specified and as directed.

Supply and fix cable jointing kit for 11 KV grade cable for outdoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

Supply and fix HT 11 KV, out door type gang operated air-break switch suitable for horizontal or vertical mounting fixed type complete with 9 insulators of rating upto 400 Amps complete all as specified and directed.

Supply and fix lightning arrestor HT 11 KV discharge capacity 65 KA with all fittings,transmission class complete all as specified and directed.

S & F in repair drop out fuse unit expulsion type for outdoor air brake gang operated switches single pole mounted and including insulator for 11 kV working pressure fixed to and including MS channel with nuts, bolts, washers etc. synthetic bounded fuse carrying tube complete with line taps and suitable for current carryout capacity upto 25Amps complete all as specifeied and directed.

Material and labour for Earthing complete with galvanised steel earth plate electrode 60 cm x 60cmx6mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 meters below normal ground level. connecting to the Galvanised iron earth strip 32x6mm size by means of bolls, nuts, check nuts and washers of galvanised iron and earth strip protected by provision of GI medium grade pipe 40mm bore including provision of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone agregates with 40mm thick cover of RCC (1:2:4) reinforeed with XPM weight not less than 4 Kg/Sqm) and frame of angle iron 40x40x6mm with lugs 02 Nos and handle of 6mm dia MS bar made to shape, GI light grade 20mm bore pipe for watering , perforated at bottom. 1.75 metre long placed on top edge of earth plate. charcoal and common salt filled 150mm thick all around each plate, test point made out of 40x8mm flat iron galvanised with fixing arraangement, funnel wire mesh and earth work in any type of soil returing filling in and removal of surplus soil to a distance not exceeding 50 meters all as per electical plate -3 of SSR-2009 Part-I and connecting to earth test point all as specified or indicated including testing on completion.

M & L Earthing complete with GI earth plate electrode 600 mm x 600mm x 6 mm thick burried directly in ground vertically to a depth not less than 2.25 m below ground level with the top edge of earth plate at depth not less than 1.5 m below ground level connected to galvanised earth lead wire 4.0 mm dia by means of bolts, nuts, check nuts and washers protected by 15mm bore light grade GI pipe, funnel with 20mm bore GI medium grade pipe for watering, wire mesh, including concrete pit in PCC (1:3:6) type C-1, pre-cast RCC 1:2:4 type B-1 cover slab of size 350x350x50mm reinforced with 8mm dia TMT steel bars @15cm centre to centre in both direction and 10mm dia MS handle of suitable size, charcoal or coke and salt in alternative layers,necessary earth work in soft/loose soil all as shown in Electrical Plate No 3 of MES Schedule Part I and testing complete inclduing taking down old one/ dismantling complete all as specified and as directed.

Supply installation, commissioning and testing including providing all necessary electrical connection, LT feeder panel board, of size 1.2m x 1.2m x .50 m Outdoor type double door, factory made out of 3.15 mm thick MS sheet having hinge opening arrangement in front and back side and bottom frame made out of angle of size 50 x 50 x 6mm thick and 04 Nos legs 0.6 meter length with cable entry and exist circular hole with cable gland & gasket at bottom complete including painting to all internal and external exposed steel surfaces with power coating paint ( 5 stage process) with duly fixed in ground with necessary PC foundation (1:2:4) type B1, with danger notice plate of 1.6mm thick mild steel sheet, vitreous enameled (white), with letters, figures and conventional skull and bones in signal red colour, fixing lugs/glands for incoming and out going cables , bolts , screws ete complete all as specified and directed by Engr-in-charge and comprising of the following accessories.(Note : All the internal connection connected through suitable size of copper bus bar). ( Main LT panel of 500 KVA Transformer). (a) Copper bus bar of suitable size for 900 Amp (TPN) including insulator. (b) 500-630 Amp, 4 Pole MCCB , 50 Hz ,415 V With Thermal - Magnetic Release with rupturing capacity 50 KA - 01 No. (In coming). (c) 400-500 Amp, 4 Pole MCCB , 50 Hz ,415 V With Thermal - Magnetic Release with rupturing capacity 50 KA - 01 No. (outgoing). (d) 200-250 Amp, 4 Pole MCCB , 50 Hz ,415 V With Thermal - Magnetic Release with rupturing capacity 36 KA - 02 No. (outgoing). (e) Indicator lamp LED type (set of three Red,Yellow,Blue)----01 Nos. (f) 3Ph LED Voltmeter Cl 1 - 01 Nos (g) 3Ph LED Ammeter Cl 1 - 01 No (h) MCB TPN 40 A-01 No (i) CT Coil of sitable capacity - 03 Nos

M&L danger notice plate of 1.6 mm thick mild steel sheet,vitreous enamelled white,with letters,figures and convetional skull and bones in signal red colour and fixed with M.S claps,bolts and nuts of approved size,for LT 20X15 mm complete all as specified and directed.

M&L Aluminium conductor ,steel reinforced (ACSR) including binding to insulator with suitable size of binding wire and size of conductor weasel (6/1 x 2.59 mm),squirrel(6/1 x 2.11 mm) or ferret (6/1 x 3.00mm) complete all as specified and directed.

Taking down existing meter Box with all MCCBs/MCBs and Meters and kept the meters in safe custidy for refixing in new panel and making good the disturbed suface by plastering and painting and matching with existing color complete all as specified and directed.

M&L for Wall Mounting high quality Polycarbonate PC - GFS insulated Panel of size (680 x 950 x 320) mm Protection Class II with IP 54 according to IEC 60 529, and internally embedded gasket made of polyurethane, flame retardant, self-extinguishing with glow wire test at 960 degC in accordance with IEC 60 695-2-11 UL subject 94; Impact strength IK 08(5 Joule) in accordance with DIN EN 50 102. The Panel is in accordance with IEC 61 439-1 & 2.The material should conform to RoHS directive 2002/95/EC, UV resistant according to IEC 61439-1 The OEM of board / panel shall be submitted a copy of TYPE TEST REPORT( in accordance with ASTA certification' by CPRI ) of a board made out of Polycarbonate thermoplastic panel in accordance with IEC 60439-1. The CPRI report shall have mention of following tests performed and passed out satisfactorily with: Temperature Rise. Dielectric Properties. Short circuit withstand current – Rated peak & short time withstand current and Rated Conditional Short Circuit Current. Degree of Protection Clearance & Creepage Distance. Mechanical Operation Effectiveness of Protective Circuits Degree of Protection The Distribution board Unit should have padlock facility for positive isolation. For avoiding condensation or formation of water droplets inside the Distribution Unit, measures must be taken following safety standard IEC 60364-5-52 using Passive Solutions. For that moisture absorbent material should be considered made of synthetic rubber, super absorbent polymer and nonwoven fabric which should have absorbency of 0.8g (H2O)/1g (product) @25deg C and 95% RH or Higher. The manufacturer / OEM of the Polycarbonate Enclosure and Panel should be same. With supplied Panel, manufacturer Routine test certificate should be submitted and all mentioned type test certificate of the Panel should be for same MOC as mentioned in specification i.e. Thermoplastic Polycarbonate.including of the following Incomer- 125A 4P 25kA MCCB- 1 No Outgoing - 32A DP 10kA MCB - 4 Nos with the provision for fixing of 4 Nos Single Phase Energy Meter Complete all as specified and directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep for foundation/cable trench, not exceeding 10Sqm on plan and getting out in soft/loose soil complete all as specified and as directed.

Returning filling including spreading, levelling and well ramming in layers not exceeding 25cm thick in soil complete all as specified and as directed.

Removal of surplus soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

M&L for sand cushioning with dry clean sand 15cm below cable and 8cm above the cable complete all as specified and as directed. Note : Punned thickness shall be measured for payments.

Supplying and laying un-reinforced precast concrete cable cover, class HV,type 1 with flat, size 300mm x 180mm x 40mm complete all as specified and directed.

Material & Labour for common burnt clay building bricks (locally available best quality), sub-class ‘B’ designation 75 of suitable size available in market to cover LT underground cables, laid dry and flat abutting each other with gaps not exceeding 10mm including taking down old unserviceable bricks complete all as specified and directed.

S & F in repairs, 80 mm bore, steel tubes, galvanised, light grade with all fittings and fixtures complete fixed to walls, ceilings, pole using suitable clamp/holder bat complete all as specified and directed.

M&L for horizantal boring/drilling hole mannual under the road in soft/loose soil without cutting/disturbing the existing road and inserting GI pipe 80mm bore for drawing the cables complete all as directed and specified. (Note: (i) Cost of acessories required for making hole/bore deemed to be included in the quoted rate. (ii) GI pipe has been measured and paid separately)

M&L cross arms bracing supports clamps and back plates fabricated from structural steel sections including nut bolt washers welding bending cold or hot drilling holes for bolts in any shape or size as indicated or directed and including one primer coat of red oxide zinc chrome primer, one under coat and one finishing coat of aluminium paint complete all as specified and as directed.

M & L for Sub main wiring with two runs of 6 sqmm (Nominal area) single core cable FRLSH PVC insulated, multistranded, unsheathed, copper conductor cables 1100 Volts grade drawn through providing (new) casing-caping of suitable size, fixed to wall/ceiling etc including 6 sqmm (nominal area) single core, FRLSH PVC insulated, multistranded, unsheathed, copper conductor as earth wire and duly connected to common earth point complete all as specified and as directed by Engineer-in-charge. (Note : (a) PVC Conduits/Casing-caping, two run cables and one run of earth wire will be measured as one length. (b) All incoming and outgoing cable shall be connected by using proper lugs & sockets.)

KAY BEE ASSOCIATES (BID ID -3160392)

STANDARD ELECTRIC WINDERS (BID ID -3165798)

ms singh construction (BID ID -3162135)