Maint and Opert of 33 KV Switchyard and Maint of 11 KV Ht Line Network, AT HQ DGAR, Laitkor

MAINTENANCE AND OPERATION OF 33 KV SWITCHYARD AND MAINT OF 11 KV HT LINE NETWORK Maint and operation of 33 KV/11 KV switchyard and all other equipment installed in switchyard and HT 11 KV switch gears (VCBs), HT 33/11 KV control panels with tripping mechanism/back up protection system in round the clock in three shifts (each shift of 08 Hours)per day by employing qualified or experienced 01 electrician and 01 helper/lineman in each shift including comprehensive maintenance of all HT/LT electrical equipment installed and HT/LT distribution network in Laitkor area by maintaining attendance register of staff employed all as specified and directed by Engr-in-charge. Note:- (a) Contractor shall quote his rates for Maint and operation of sub stations and all other HT eqpt installed at 33 KV switchyard and 11/0.433 KV sub stations and electrical distribution network including safety eqpt i.e. Bamboo Ladder, Helmets, Hand Glove, Gum boots, Safety belt, Extendable dischanging rod and HT/LT meger and necessary T&P and provide a mobile phone duly charged to the Electrician complete. (b) The spares replaced under comprehensive maintenance shall be measured under schedule 'A' part-II (c) Details of switch gears are as under :- (i) HT transformer 33/11 KV, step down of capacity 1.6 MVA and 3.15 MVA with allied equipment. (aa) HT transformer 1.6 MVA/3.15 MVA-03 Nos (ab) HT 11 KV VCBs = 13 Nos (ac) HT 33/11 KV control panel=02 Nos (ad) OCB 33/11 KV=01 No (ae) All other HT equipments installed at 33 KV switchyard like lightning arrestors, VCBs , structure etc (af) HT/LT overhead line/underground cables off sizes (ii) Substations 11/0.0433 KV with power distribution transformers etc with following items:- (aa) Power distribution 11/0.0433 KV - 11 Nos transformers with accessories (ab) HT 11 KV panel board with accessories = 03 Nos (ac) LT panel boards installed/AMF panels (ad) Gen set panel boards upto 400 KVA - 02 Nos (iii) (aa) Contractor shall be responsible for any disciplinary case of staff employed (ab) Contractor shall produce character certificate (issued by Police station), 10th pass certificate & experience certificate (minimum 02 years) of the staff employed (A) Electrician

(B) Lineman/Helper

COMPREHENSIVE MAINTENANCE Supply and making INDOOR cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for 120 sqmm, 3 core, XLPE aluminum conductor cable of 11 KV grade as required and directed.

Supply and making OUTDOOR cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for 120 sqmm, 3 core, XLPE aluminium conductor cable of 11 KV grade as required and directed.

Supply and fill power transformer oil with 50 KV di-electric strength of standard grade (Make-Servo)

Supply and erection of 11 KV disc insulator for 11 KV over head lines with galvanised insulator fittings , ball and socket type and complete with galvanised strain clamps, bolts, nuts, washers etc as required and directed.

Supplying and erection of 11 KV pin insulator complete with large steel head GI pin, nuts, washers etc as required

Supply and fix compression/crimping type sleeve joints for jointing conductors /jumper connections including treatment with conducting jelly above 10 mm dia of conductor wire over complete all as directed

Supply and fix capacitor metalized poly propylene heavy duty (MPP-H) 3 phase 440 volts, 50 Hz of capacity 15 KVAR

Supply and fixing tripping coil for HT VCB 11000 volts grade

Checking and balancing the LT load on panels installed at different locations at sub stns all as directed by the Engineer-in-Charge. Note : The rates are inclusive for changing phase in MCCB/Main switches inside the buildings and material required such as thimbles/lead shall be issued by the deptt

Opening HT VCB 11 KV, 630 Amp VMX type for repair and maintenance including locating the defective of parts, cleaning interior of VCB after removing trolley checking complete insulation of bus bar, nut and bolts and greasing to trolley channel for free movement and proper contacts all as directed by Engr-In-Charge. Note : Replaced parts shall be measured and paid separately .

S & F in replacement ammeter 96 x 96 mm size flush type of capacity 0 -150 Amp all as directed by Engr In Charge. Make : AE or equivalent

S & F KV meter of size 6 x 6 inches flush type all as directed by Engineer-in-Charge. Make : AE /L & T

S & F in replacement frequency meter of size 6 x 6 inch flush type all as directed by Engineer-in-Charge. Make: AE or equivalent

Supply and fixing shock treatment chart duly maounted on a wooden frame with glass on as required (Power House, Adm Block, Sports Complex, Shopping Complex, AR House installation

Supply only gloves of 33/11 KV grade as per IS-4770-68

Supply only first aid box as approved by St John Ambulance Brigade /Indian red cross conformiry to IS:2217-1963

Earthing with copper earth plate 60mmx600mmx3mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc (but without charcoal (cock and salt) as required

Supplying and laying 25mmx5mm copper strip at 0.50 metre below ground as strip earth electrode including connection/ terminating with nut, bolt, spring, washer etc as required (jointing shall be done by overlapping and with 2 sets of brass nut, bolt & spring washer spaced at 50mm

Tayal Electric and Construction Co

S G Enterprises