Creation of 63 Kva Sub Station required for connecting new 11 KV Feeder at WSS Hariparigam.

Amount

Supply, installation, commissioning and creation of pole mounted, outdoor type Electric Sub Station as per the technical specifications given here under - Specifications conforming to IS: 1180 (Part 1) 2014 with latest amendments. Type: HT/LT Transformer Type of cooling: ONAN. Operating conditions: Rating: 63 KVA Input =11000 volts Output =433 volts AC supply in 3- phase. Terminals: Input=3 No. HT bush rods with insulators, washer, nuts etc. Output=4 No. LT bush rods switch insulators, washers, nuts etc. Core: The core shall be of high permeability to reduce core losses and the strips shall be of suitable size and gauge. Transformer Coils: Suitable number of HT and LT coils in each leg of the core. The transformer coils shall be fabricated out of superior quality aluminum wire/strips, properly wound. The HT transformer is completely filled with suitable grade transformer oil up to required level. The job includes carriage, and all leads and lifts involved. The HT transformer shall be of reputed make from an ISO certified company as per relevant standards and a test certificate shall be provided before installation. The transformer shall also be provided with breather fill with silica jel crystals, conservator with oil level indicator, explosion vet and adequate radiator fins/ Tubes. The impedance of transformer shall be as per IS: 1180 (Part 1) 2014 with latest amendments. NOTE: The scope of the work shall include obtaining of necessary inspection/clearance certificate from the concerned department and manfacturer's test ceritificate be provided by the frim for all the required equipment. The testing and commissioning shall be completed only after obtaining above certificate.

Providing and fitting G.I Channel /Angle/ Flat of sizes including clamps

Supply, Installation, Testing and commissioning of Polymeric Gang operated Air break switch, outdoor type, triple pole, suitable for vertical installation, single break provided with locking arrangement at both ON and OFF position consisting of HT post double insulator, copper or copper alloy high pressure heavy contact assembly, rod with bearings , operating handle and 2 length of 32mm dia. GI pipe conforming to IS 1818 1961, 06 No. of insulators, rated voltage 11KV 200A complete as per IS specs.

Supply, Installation, Testing and commissioning of 11KV polymer fuses Set Horn Gap 3-phase 200 A suitable for vertical installation

Supply, Installation, Testing and commissioning of Gapless Surge arrestor station class, 10KA, 9KV, LA With polymer housing, Station Type

Supply and fitting of 11 KV polymeric composite pin insulator 12 KV, 5KN, Lighting impulse 75KV Positive, and 80 KV Negative, creepage distance 320 mm.

Supply, installation, erection of 9 mtrs long H.T pope of specifications ST- 410 (sp-33). The job further includes drilling of holes for installation of various accessories .wherever required the job further includes G.I wire earthing of pole as per REC standard.

P/F of Galvanized nuts, bolts of various sizes as per site requirement

P/F Danger Plate with clamps

Providing and fixing G.I Barbed wire for anti-climbing/ anti-climbing devices

Providing and fixing anti-climbing devices with clamps

Painting of poles Red oxide

Painting of poles Aluminum paint

Providing and fitting of ACSR as per IS 398 (part-2) 1996 for 50 sq.mm ACSR (Galvanised steel reinforced) for fitment of various accessories

Supply, installation, testing of 35 sq mm XLPE HT cable (ABC type) of 11 KV Grade with following specifications size cross sectional area in squre mm) = 3x35 phases Red, Yellow , Blue

Providing and fitting of Anchoring clamps comprising clamp body , plastic wedge, steel bill bracket , straps and buckles or nuts and bolts required for holding of 3 – Core , 35 Sq. mm H.T AB Cable.

P/F of 11 KV cable termination kit for connecting 35 Sq mm XLPE cable (ABC type) with the existing HT line near tapping point and HT transformer.

P/I of earthing station for electric substation, LT panel and stabilizer comprising of company fabricated earthing electrode as per IS: 3043. The job includes Auguring of bore of required dia/depth for installation of electrode along with backfill compound mixed with soil and all other items required thereof for achieving the best result. The job includes connecting of electric gadgets through GI strip as per relevant standards. Safe earthing electrode size : 80 mm dia , Length : 2000 mm Back fill compound : 30 kg

Providing and Fitting of 3.5 Core, XLPE Armoured Aluminium Cable conforming to IS: 7089 part 1st as service line from the HT transformer to control panel including necessary thimbling, crimping, taping etc. NOTE:- The cable terminal ends for connection to switchgear at various requisite points shall be Al. Thimbles of dowel’s make and of appropriate size and connected by hydraulic crimp tool only. 50 sqmm, 3.5 core, LT, 1.1 KV. (Manfactures test certificate be provided by the frim)

Rayees Electric Engineering Works