SPECIAL REPAIR/ REPLACEMENT OF BER TRANSFORMER AT PERIMETER AND DEPOT AREA AT GE AND 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.

Supply, install, test and commissioning copper wound, step down transformer indoor type complete with standard fittings, HT, 11KV, 3 phase, LT, 433V, 3 Phase, 4wire, 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 315KVA. 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 95sqmm HT UG cable (b) 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 95 Sqmm HT UG cable. (c) 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. (d) Oil conservator with filler type drain valve and oil level gauge (e) Dehydrating breather with fast fill of dehydrating agent. (f) Explosion vents (g) Thermometer pocket on tank cover including thermometer (h) Rating plate and terminal marking plate (j) The earthing terminal two Nos to tank to facilitate fixing of earth strips of size 32 X 6 mm (k) Oil level gauge (l) Lifting lugs (m) Oil filling hole with cap/plug with connection plate complete (n) Air relief valve.

Supply, install, test and commissioning copper wound, step down transformer indoor type complete with standard fittings, HT, 11KV, 3 phase, LT, 433V, 3 Phase, 4wire, 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 100KVA. 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 1180(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 95sqmm HT UG cable. (b) 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 95 Sqmm HT UG cable. (c) 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. (d) Oil conservator with filler type drain valve and oil level gauge (e) Dehydrating breather with fast fill of dehydrating agent. (f) Explosion vents (g) Thermometer pocket on tank cover including thermometer (h) Rating plate and terminal marking plate (j) The earthing terminal two Nos to tank to facilitate fixing of earth strips (k) Oil level gauge (l) Lifting lugs (m) Oil filling hole with cap/plug with connection plate complete (n) Air relief valve.

Supply, install, test and commissioning copper wound, step down transformer outdoor type complete with standard fittings, HT, 11KV, 3 phase, LT, 433V, 3 Phase, 4wire, 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 100KVA. 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 1180(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 95sqmm HT UG cable. (b) 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 95 Sqmm HT UG cable. (c) 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. (d) Oil conservator with filler type drain valve and oil level gauge (e) Dehydrating breather with fast fill of dehydrating agent. (f) Explosion vents (g) Thermometer pocket on tank cover including thermometer (h) Rating plate and terminal marking plate (j) The earthing terminal two Nos to tank to facilitate fixing of earth strips (k) Oil level gauge (l) Lifting lugs (m) Oil filling hole with cap/plug with connection plate complete (n) Air relief valve.

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

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 50 sqmm to 95 sqmm, complete all as specified and directed.

Material and labour in replacement/repair for earthing complete with galvanized steel earth plate electrode 600mm X 600mm X 6.3 mm thick buried directly in ground vertically to a depth not less than 2.25 meter below normal ground level (with top edge of earth plate not less than 1.5 meter below ground level) connected to GI strip 32mm X 6mm main earthing lead by means of galvanized bolts, nuts and washers all as shown in electrical plate no 3 of MES Schedule Part-I (2009) connected to earth test point & to main switch board etc with & including adequate quantity of charcoal dust and common salt alround earth plate, PCC (1:3:6) type C-1 (using 20mm graded black trap/granite/Basalt stone aggregate) for earth pit with 40 x 40 x 6mm mild steel angle iron frame for cover, pre cast RCC (1:2:4) type B-1 (using 20mm graded stone aggregate) 50mm thick cover reinforced with 8mm dia TMT bars @ 100mm c/c both way with 12mm dia round bar handle, GI medium grade watering pipe 20 mm bore GI medium grade earth lead protection pipe, complete all as specified and 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.

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 4,000 /- ]

AFSA ENGINEERS PVT LTD

NATIONAL ENGINEERING CORPORATION

Vaidehi E Link

Bidder Name

NATIONAL ENGINEERING CORPORATION

AFSA ENGINEERS PVT LTD

Vaidehi E Link

M/S Maa Durga Constructions,Pulgaon