SPECIAL REPAIR REPLACEMENT OF 02X100 KVA CAPACITY BER TRANSFORMER AT CAD PULGAON

Amount

Dismantling and Shifting of old unserviceable BER transformers set from installed location to AGE E/M store yard , complete all as specified and directed.

Taking down old vintage HT cable of any size after disconnection from pole, transformer, duct and excavation from trench including old damaged GI Protection pipe any bore, complete all as specified and directed. Note: Plese refer Item No. 6.

Supply, install, test and commissioning copper wound, step down transformer indoor / outdoor type complete with standard fittings, HT, 11KV, 3 phase, LT, 433 V, 3 Phase, 4 wire, 50 Hz, oil immersed naturally cooled with externally cooling tubes core type delta connected on primary (HV side) and star connected on secondary (LV side) in accordance with vector symbol Dy-11 (Vector group 4) with naturally brought on secondary (LV side) and having tapping at +/-2.5%, +/-5%,+/- 7.5% to be changed by means of hand operated OFF LOAD tap changer when measured by resistance method after continuous full load run in ambient temprature 48°C rating of capacity 100 KVA. The transformer shall be complete with all standard fitting and accessories, gauges first fill of transformer oil upto appropriate level etc, all as per IS 118 0(2014) and all jointing materials connected with elect system earthing etc complete including platforms as per manufacturer design all as specified and directed comprising following accessories:- (a) One cable box HV side consisting of 3 Nos porcelain terminal points including nuts, bolts and washers with two Nos cable gland suitable for 3 core 120 sqmm HT UG cable (b) Suitable cable box LV side for mounting two LV cable consisting of 4 Nos porcelain with brass bushing rods, complete with nuts and washers with two Nos cable gland suitable for LT UG cable providing with bimetallic. NOTE : (i) Excavation & earthwork (ii) All quantity are provisional with two Nos cable gland suitable for LT UG cable providing with bimetallic lugs. (c) Oil conservator Tank with filler type drain valve and oil level gauge (d) Dehydrating breather with fast fill of dehydrating agent Silica Gel. (e) Explosion vents pipe with diaphram (f) Thermometer pocket on tank cover including thermometer (g) Rating plate and terminal marking plate (h) The earthing terminal two Nos to tank to facilitate fixing of earth strips of size 32 X 6 mm (j) Oil level gauge (k) Lifting lugs (l) Oil filling hole with cap/plug with connection plate complete (m) Air release valve. (n) Cover lifting hook (o) Cooling radiators (p) Drain cum bottom oil filter value (q) Transformer base (r) Rollers 04 Nos suitable size

Supply and fix cable jointing kit for 11 KV 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 size 120 sqmm including suitable size of lugs, complete all as specified and 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, aluminium conductor cable of size 120 sqmm including suitable size of lugs, complete all as specified and directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core X 120 sq mm, complete all as specified and directed. Note: Excavation and earthwork GI pipe, sand cushioning cable cover for protection of cable shall be measured and paid seperately.

Excavation in trenches not exceeding 1.50m wide and not exceeding 1.50 metre in depth, for laying of GI/CI pipe lines etc., and getting out in Hard/dense soils, complete all as specified and directed.

Returning filling in, including spreading, leveling watering and well ramming in layers not exc 25 cms thick with soil, complete all as specified and as directed.

Removing excavated materials to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point all as specified and as directed.

Material and labour for sand cushioning with dry river sand in trenches for cushioning of underground cable line including spreading, leveling, well ramming, complete all as specified and directed. Note : Punned thickness only shall be measured and paid.

Supply and lay un-reinforcement precast concrete cable cover, class HV, type 1, flat of size 300 X 180 X 40mm for HT cable and laid dry in trenches over underground cables, complete all as specified and directed.

Supply and laying 80 mm bore GI tube, light grade as in cable protection pipe including all fittings, the end of pipe shall be sealed with sealing compound, complete all as specified and directed.

Material and Labour for earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried directly in ground vertically to a depth not less than 2.25m below ground level with top edge of earth plate not less than 1.5m below ground level connected to galvanized iron strip 32 mm X 6 mm main earthing means of bolts, nuts, check nuts and washers of galvanised iron or steel connected to earth pit testy point & main switch board etc including excavation earth work, PCC chamber, RCC cover slab char coal, watering pipe, wire mesh lugs, earth lead protection pipe 40mm bore, medium grade 7.5m long as applicable and as per plate No. 3 of SSR Part-I 2009 and all as specified. (a) Excavation and earth work in any type of soil. (b) Drilling of holes in electrode (c) RCC pit in cement concrete (1:2:4) type B-1 (c) PCC pit in cement concrete (1:3:6) type C-1 (d) 50 mm thick Pre-cast RCC cover or reinforcement with 8 mm TMT bars at 100mm c/c both ways with suitable handle. (e) Funnel with watering pipe of GI 20 mm nominal bore ,medium grade & copper lug etc. (f) 15mm nominal bore medium grade GI protection pipe upto 7.50 m long for protection of earthing lead. (g) Requisite quantity of charcoal and common salt. (h) Connection to earthing test point and testing on completion.

NOTE :- SCHEDULE OF CREDIT (Amount shall be deducted offline from the total quoted amount to workout the net contract sum to be considered for acceptance.) [(-) Rs 615 /- ]

Paragon Electrotechnics

Bidder Name

Paragon Electrotechnics

M/S Maa Durga Constructions,Pulgaon