MAINTENANCE REPAIRS TO ELECTRIC SUPPLY INCLUDING TRANSFORMER AT VAYU VIHAR CHITRALEKHA COMPLEX HQ SAC UNDER GE AF TVM

Amount

SCHEDULE 'A'

Excavation in trenches not exc 1.5m wide and not exc 1.5m in depth for laying UG cable not exc 1.5m in depth and getting out in Hard/dense soil complete all as specified and directed .

Excavation in trenches not exc 1.5m wide and not exc 1.5m in depth for laying UG cable not exc 1.5m in depth and getting out in soft/disintegrated rock complete all as specified and directed .

Returning and refilling of excaveted soil upto a depth of 30 cm after riddling the excavated soil for cushioning of cable and refilling of trench with normal excavated soil all as specified and directed

Removing excavated material not exc 50m and depositing where as directed at a level not exc 1.5m above the starting point complete all as specified and directed .

M&L for unreinforced precast concrete cable cover class HV Type 1 flat size 300mm X180 mmX40 mm fo Protection to cable with one layer butting to each other in such a way that the length of the cable cover is at right angle to the central axis of the cable complete all as specified and directed

M&L for Protection to cable with one layer of new bricks laid flat butting to each other in such a way that the length of the bricks is at right angle to the central axis of the cable using old size sub-class ‘B’ bricks complete all as specified and directed.

Supply, lay & testing XLPE insulated, PVC sheathed, bedded, galvanised steel strip or wire armoured electric alumunium conductor cable 11000 volts (earthed) grade of cross sectional area 120 sqmm 3 core including disconnecting and removing old unserviceable cable and bricks complete all as specified and directed

Supply and lay cable XLPE insulated screened PVC bedded galvanised steel strip or wire armoured, electric power cables ( heavy duty) 1100 Volts grade with stranded alluminium conductor of the sizes 185 Sq mm 3.5 core all as specified and directed

Supply and lay cable XLPE insulated screened PVC bedded galvanised steel strip or wire armoured, electric power cables ( heavy duty) 1100 Volts grade with stranded alluminium conductor of the sizes 150 Sq mm 3.5 core all as specified and directed

Supply and lay cable XLPE insulated screened PVC bedded galvanised steel strip or wire armoured, electric power cables ( heavy duty) 1100 Volts grade with stranded alluminium conductor of the sizes 50 Sq mm 3.5 core all as specified and directed

M&L for heat shrinkable HT 11 KV (earthed) straight through joint suitable for aluminium conductor cable of size 3 core 120 Sq.mm 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, Al conductor cables, earthed system of size 120 Sqmm all as specified and as 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, Al conductor cables, earthed system of size 120 Sqmm all as specified and as directed.

M&L for straight through joint epoxy type suitable for 3.5 core 50 to 70 sqmm LT U/G armoured XLPE cable complete all as specified and directed .

All as per Ser item No 15 above but of size 3.5 core 150 sq mm to 185 sq mm complete all as specified and directed .

M&L for GI pipe 100 mm dia light grade laid in trenches at road crossing/foot paths complete all as specified and directed

M&L for earthing complete with galvanised steel earth plate electrode 60cmx60cmx 6 mm thick, buried directly in ground (earth pit not less than 2.25 mtrs deep below ground level) with top edge of the plate not less than 1.5 mtrs below normal ground level, connected to galvanised Iron strip of size 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 3 in SSR Part -I connected to earthing test point all as specified complete with excavation & earth work, PCC pit with 50mm thick RCC cover (grade M-15) having suitable handle (10mm MS Rod) 20mm dia GI medium grade ISI marked watering pipe with GI funnel with wire mesh 32mm bore GI pipe medium grade ISI marked for protection of earth lead conductor complete all as specified and directed and testing on completion.

M & L for Earth continuity conductor main earthing lead fixed to wall on batten or recess or chases or buried in ground drawn in conduit / pipe , laid through trenches etc as required with 32 x 6 mm GI strip complete all as specified and directed

Material and labour for repair of LT Panel body by cutting the rusted portion and fixing new CRCA sheet, angle, frame which ever is necessary, welding the same portion and painted with existing colour over a coat of red oxide primer complete all as specified and directed.

Supply, installing, testing and commissioning Outdoor type LT panel cubical type, platform mounted, factory made, totally enclosed, dust & vermin proof, made of 3.15 mm CRCA sheet, MS flat & angle supports/ frames, duly fabricated and having proper locking arrangement in front with powder coated paint both internally and externally suitable for 415 volts, 50 Hz, 3 phase, 4 wire system and comprising of the followings features and independent compartment for MCCBs/ MCBs and accessories / components, all as specified.

M & L for checking of transformer following capacities by disconnecting HT and LT side cable, Tighthening HV,LV Lead and cable connection and repair/replacement of unserviceablle items, cleaning of Transformer and commissioning complete all as specified and directed Note : (i) Items required to be replaced will be measured and paid separatley.

Transformer capacity 63 KVA to 160 KVA

Transformer capacity 200 KVA to 315 KVA

Transformer capacity 400 KVA to 630 KVA

Checking of transformer capacity 100 KVA located at Rameshwaram by disconnecting HT and LT side cable, Tightening HV,LV Lead and cable connection and repair/replacement of unserviceablle items, cleaning of Transformer and commissioning complete all as specified and directed. Note : (i) Items required to be replaced will be measured and paid separatley

Supply only HT Bush Collar outdoor type suitable for 11 KV bush for transformer capacity 63 to 160 KVA complete all as specified and directed

All as per item No. 23 above but capacity 200 to 315 KVA complete all as specified and directed

All as per item No. 23 above but capacity 400 to 630 KVA complete all as specified and directed

Supply only oil level glass made of transparent FRP sheet 4 mm thick complete all as specified and directed

Supply only Temperature guage for Transformer analogue type upto 100 degree complete all as specified and directed Make: Voltec,KI/ Honey well

Supply only cover Gasket 6 mm made of cork sheet for transformer capacity 63 to 160 KVA complete all as specified and directed

All as per item No. 26 above but capacity 200 to 315 KVA complete all as specified and directed

All as per item No. 26 above but capacity 400 to 630 KVA complete all as specified and directed

Supply and fix Silica Gel breather capacity 1/2 Kg for Transformers upto 250 KVA crystal colour Blue. complete all as specified and directed

Supply and fix Silica Gel breather capacity 1 Kg for transformer above 250 KVA crystal colour Blue. complete all as specified and directed

Supply and Fix Top cover Gasket 6 mm made of cork sheet for transformer capacity 63 to 160 KVA complete all as specified and directed.

All as per item No. 29 above but capacity 200 to 315 KVA complete all as specified and directed.

All as per item No. 29 above but capacity 400 to 630 KVA complete all as specified and directed.

Supply and fix GI plated MS nut bolts 1 inch length and 8 mm dia complete all as specified and directed

Servicing and repairing of transformer 200 KVA of make ABB at Compact Sub Station HQ SAC by disconnecting HT and LT side cable repair/replace the following items, testing complete all as specified and directed :-

Rate quoted is inclusive of (i) Dusting and cleaning of TR and VCB chamber , (ii) Tighten of HV, LV bus bar and Cable, (iii) Tighten of core bolt and tap switch, (iv) Trip Setting adjustments, Moisture removal, (v)Servicing of VCB, (vi) Replacement of damaged nut &bolt.

M&L for Repairing, Servicing & testing of Vaccum circuit breaker panel board 11 KV, 400 Amps, 250 MVA, 13.10 KA, 3 Phase, 50 Hz, AC Supply system, indoor type consisting of one incomming and two outgoing metal clad totally enclosed free standing floor mounted type, trolly mounted vaccum circuit breakers, draw out type HT VCBs including the following works complete all as specified and directed:- Make of VCB : Crompton Greaves Note : (i) Items required to be replaced deemed to be included in the quoted rate. (ii) The Work shall be carried out through the authorised service engineers of the OEM only.

(iii)Switch position alignment - 03 Nos, (iv) Greasing and lubrication of ,mechanical parts - 03 Nos, (v)Trip Setting adjustments - 03 Nos, (vi) Moisture removal and cleaning - 03 Nos, (vii)Tighten of incoming and outgoing cables - 03 Nos, (viii)Replacement of damaged nut &bolt.

Material and labour for repair/replacement of the following items from LT Panel complete all as specified and directed :- (i) Servicing of LT ACB 800 Amps - 03 Nos, (ii) Replacement of 3 Phase digital type Voltmeter - 03 Nos, (iii) Replacement of 3 Phase digital type ammeter - 03 Nos, (iv) Replacement of Cos (power factor)meter - 03 Nos, (v) Control wiring, Indication lamp (R,Y,B) - 09 Nos, (vi) Fuse and control Unit - 03 Set.

M & L for preparing old painted outer surface of Transformer Step down type 3 Phase 11KV/433 Volt including all exposed surfaces of steel items fixed with the transformer without dismantling and M&L for painting with two coats of synthetic enamel paint (Light Grey for indoor and Dark Grey for Outdoor) over a coat of primer of approved make all as specified and directed including writing of SM/MES numbers and capacity of Transformer all as directed by Engineer in charge for the following capacity :-

63 to 160 KVA

200 KVA to 315 KVA

400 KVA to 630 KVA

M & L for servicing of APFC Panel at Chitralekha Complex repair/replacing the following items complete all as specified and directed. Note :- Spares will be measured and paid separately

M & L for servicing of APFC Panel at 17 FBSU repair/replacing the following items complete all as specified and directed :- Note :- Spares will be measured and paid separately

M & L for servicing of APFC Panel at HQ SAC repair/replacing the following items complete all as specified and directed :- Note :- Spares will be measured and paid separately .

M & L for servicing of APFC Panel at AFSC Muttathara including checking of control wiring and testing and commissioning complete all as specified and directed :-

M & L for servicing of APFC Panel at Rameshwaram repair/replacing the following items complete all as specified and directed :- Note :- Spares will be measured and paid separately

Supply only following items for APFC Panel.

10 KVAR capacitor Box type (L & T)

10 KVAr capacitor Duty Contactor (C & S)

5 KVAr Capacitor Duty contactor (C & S)

5 KVAr Capacitor box type

3 KVAr capacitor (L&T/Eqvt)

2 KVAR capacitor Box type (L & T)

armoured copper cable twin core 1.5 sqmm

8 Stage APFC Relay (C&S)

6 Stage APFC Relay (C&S)

Illuminated push button (C&S)

CT 800/5A class 1 (SGE/Eqvt)

7 KVAR CDC

Panel key lock

M & L for HT cable fault identification andd locating fault with vehicle mounted HT cable fault locator complete all as specified and directed by Engineer in Charge.

Supply only Electrical Rubber hand gloves as per ISI specification for operating voltage 11 KV complete all as specified and directed by Engineer in Charge..

Supply and topping up new transformer oil into the conservator tank/ body tank of the transformer at various location complete all as specified and directed by the Engineer-in-charge. (Make : Power Oil or its equivalent ) Note: The transformer oil for topping up shall be with di-electric strenght of 40KV for 1 minute at 4mm gap / as per IS.

Taking down old LT Panel Board and Supply and Fixing LT Junction box, Out door type, weather/vermin proof, made out of Themoplastic Polycarbonate type material for coastal area environement friendly ,recyclable, UV resistant,halogen & silicon free anti acid & anti corrosive with type test tested at CPRI in accordance with IEC 60439-2 with front side door and 3 phase and neutral Busbar 250 Amps capacity aluminium with colour code and insulated support complete with the following switch gears complete all as specified and directed :- (a) MCCB, 415 Volt, 4 pole, of capacity 100 Amps - 1 No (b) MCCB, 415 Volt, 4 pole, of capacity 63 Amps, 16 KA - 2 Nos (c) MCB, TPN, 40 Amps, 10 KA - 2 Nos (d) MCB, SPN, 32 Amps, 10 KA - 2 Nos

Checking of transformer capacity 315 KVA Kept in MES store Yard repair/replacement of unserviceable items, cleaning of Transformer and shifting to new location using crane including transportation, making connections and commissioning complete all as specified and directed. Note : (i) Items required to be replaced will be measured and paid separately

Supply, installing, testing and commissioning outdoor type LT panel cum APFC Panel cubical type, platform mounted, factory made, totally enclosed, dust & vermin proof, made of 3.15 mm CRCA sheet, MS flat & angle supports/ frames, duly fabricated and having proper locking arrangement in front and back with powder coated paint both internally and externally suitable for 415 volts, 50 Hz, 3 phase, 4 wire system and comprising of the followings features and independent compartment in front door position for MCCBs/ MCBs and accessories / components, including connecting existing LT cable to new LT Panel with required length of cable, lugs and Glands complete all as specified.

APFC and connected items including following accessories. (a) 10 KVAR capacitor Box type (L & T) - 03 No (b) 10 KVAR capacitor Duty Contactor (C & S) - 03 No (c) 8 Stage APFC Relay (C&S) - 01 No, (d) 5 KVAr Capacitor Duty contactor (C & S) - 05 Nos (e) 5 KVAR capacitor Box type (L & T) - 05 No

Sub Total of Schedule 'A'

SCHEDULE OF CREDIT

Schedule of Credit (Minus) Rs. 40,570.00 B/F from Ser page No.104,105. NOTE: Bidder shall insert credit amount as rate Rs. 40,570.00 in Green field under Col-5.

Sub Total of Schedule of Credit

ROTECH ENGINEERS AND BUILDERS

S L ELECTRICAL WORKS