Military Engineer Services

Military Engineer Services has published Tender For Provision Of 500Kva Stabilizer For Central Air Conditioning Plant At Wardec Under Ge (U) Pm Delhi Cantt10.; 1 SupplyInstallation, testing and commissioning of servo voltage stabilizer 500 KVA (Confirming to BIS 9815 : Part 1 : 1994) outdoor/ indoor type for automatic operation three phase 50HZ naturally oil cooled indoor type unbalance type, copper wound, metallic body duly power coated with lifting hooks two No digital dispaly type relay free smooth and silent operation with lst filling of transformer oil upto level having following specification :-(a) Input voltage 360V-480V(b) output voltage stabilizer at any designed/ desired voltage 415V+-1%(c) Rated frequency-50HZ(d) No distortion in wave form(e) Response time not to be exceed 20 mili seconds (f) Sensitivity -(+/-) 1%(g) Rate of correction 8 vol per second for single phase and 13 V/ second for phase to phase (h) Efficiency -more than 95%(j) Type of load : three phase, unbalanced type.(k) Digital display voltmeter/ Ammeter with multi- functional meter(l) Operating temperature- For indoor use upto max ambient temp + 550C(m) Class of insulatin - Class F(n) Mode of operation Automatic/ Manual(o) Winding Temperature rise - Max 550C (100C above operating temp)(p) Transformer oil-IS 335 marked(q) Core- CRGO M4 Grande/ CRNO (Cold Roll Grain Oriented)/ (Cold Rolled Non- Oriented)(r) Auto transformer (Variac)-100 percent coper wound Electrolytic Grade (s) Losses - As per IS Norms(t) Standard Fitting & Accessories e.g marking plate, lifting lugs, CI rollers, Earthing Terminals etc cable BoxProtection :(a) Overload load/ short circuit protection.(b) High/ Low voltage cut off.(c) By pass arrangement i n case emergency.(d) Single phase sequence change/ Phase fail protection.Make – AE/Andrewyule/Sinetrac/Volina/Vinitec/ /APLAB/Microtech. 2 Supply and Laying , jointing and testing of XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 400 sqmm 04 core laid in trenches, ducts, pipes complete all as specified and directed. 3 Earthing complete with galvanized steel earth plate electrode 60cmx 60cmx6mm thick buried directly in ground (earth pit not less than 2.25 metre below normal ground level ) connected to and including galvanized iron strip 32x6mm as earth lead by means of bolts nuts check nuts and washers of galvanized ironor steel including charcoal dust, common salt and 20 mm GI mediumgrade watering pipe with funnel and wire mesh,40mm GI light grade pipe for protection of GI strip upto test point including PCC pit in PCC 1:2:4 type B-1 (using 20 mm grade crushed stone aggregate)frame 40mm thick RCC cover reinforced with 8 mm steel bar 100C/c bothways with MS handle complete including excavation and earthwork all as specified and shown on electrical plate No 3 of MES Sch 2009 (Part-I) 4 Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit /pipe or fixed to pole or any other indicated situation for loop earthind etc as required with 32X6mm galvanized iron strip all as specified and directed. 5 Supply and fix GI tubing light grade of 100mm dia for protection of under ground cable fixed on pole/ cross arms with MS clamp with nut,bolt,washer etcNOTE - clamps,nuts,bolts,washers etc measured and paid separately . 6 M&L for providing plain cement concrete in Type1:3:6 C2 Type(using 40mm graded stone aggregate) in foundations, filling & mass concrete las in foundation of pole complete all as specified 7 M&L for constructionof plinth forservo Voltage stabilizer2.5 mx 2.5 with x1.5incl moorum filling and PCC at top 10 cm thick (1:2:4) and foundation with 1:4:8(2.7 m lengthin square foundatiion 25cm height ) allas per drawing provide by thedepartmerntincludingplasteringto exposed walls and white wash , providing MSchannel on top of size 75x40x 8mmof 1.5 m length for rolling to servo Voltage stabilizer, including chainlink fencing of wiremesh 150x100 sizemade out 4 MM dia GI wire of height1.5 mfixed withthe help of MSstrip25x6 mm on and includingMS angleiron75x45x6 mm thick12 Nospostby the meansof drillingholes at the distance of 30 cm and fixed with the help of suitable nut, boltandwashe thelengthof MSangle iron not less than 2.25mtop of post bend to the shape of 60 dgree including03 Noscutsfor inserting barbed wire including03 runof barbedwire and includingprovision of gateof size 1.5m x0.9m made out of MS angle iron 50x50x6mm and MSbar 12 mm dia for meshing to the gate and locking arrangement including PCC foundation 1:3:6 for posts all as specified and PCC 1:2:4 type B1 (using 20 mm graded stone aggregate) as in plate formetc complete allnecessary from work complete, all as specifiedand directed by Engr- in - charge. 8 Supply and Fixing , on Load Changeover Switch 04 pole 400 Amp 415 Volt 9 Supply and fixing Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for LT, 20x15cm size. 10 SupplyInstallation, testing and commissioning of servo voltage stabilizer 25 KVA (Confirming to BIS 9815 : Part 1 : 1994) outdoor/ indoor type for automatic operation three phase 50HZ naturally oil cooled indoor type unbalance type, copper wound, metallic body duly power coated with lifting hooks two No digital dispaly type relay free smooth and silent operation with lst filling of transformer oil upto level having following specification :-(a) Input voltage 360V-480V(b) output voltage stabilizer at any designed/ desired voltage 415V+-1%(c) Rated frequency-50HZ(d) No distortion in wave form(e) Response time not to be exceed 20 mili seconds (f) Sensitivity -(+/-) 1%(g) Rate of correction 8 vol per second for single phase and 13 V/ second for phase to phase (h) Efficiency -more than 95%(j) Type of load : three phase, unbalanced type.(k) Digital display voltmeter/ Ammeter with multi- functional meter(l) Operating temperature- For indoor use upto max ambient temp + 550C(m) Class of insulatin - Class F(n) Mode of operation Automatic/ Manual(o) Winding Temperature rise - Max 550C (100C above operating temp)(p) Transformer oil-IS 335 marked(q) Core- CRGO M4 Grande/ CRNO (Cold Roll Grain Oriented)/ (Cold Rolled Non- Oriented)(r) Auto transformer (Variac)-100 percent coper wound Electrolytic Grade (s) Losses - As per IS Norms(t) Standard Fitting & Accessories e.g marking plate, lifting lugs, CI rollers, Earthing Terminals etc cable BoxProtection :(a) Overload load/ short circuit protection.(b) High/ Low voltage cut off.(c) By pass arrangement i n case emergency.(d) Single phase sequence change/ Phase fail protection.Make – AE/Andrewyule/Sinetrac/Volina/Vinitec/ /APLAB/Microtech. . Last date of submission for this tender is 2025-11-27. This is a Voltage Stabiliser tender in Delhi, Delhi