Urgent replacement/repairs existing damaged sub-station and other allied works at WSS Nawabagh

Amount

Replacement of PCC poles by way of Providing, Fitting, installation& erection of MS tubular poles- ST-410 SP33, ISI mark HTL- IS 1161 or IS 2713 of 9M long having reduced of 4inch x 5inch x 6inch, from top to bottom and shall be anti-corrosive painted. The job includes providing / laying of cement concrete block in 1:2:4 mix /M15 (cement concrete, sand aggregate block (s) (of size 3ft deep x1ft above the ground as per REC standards 0.5cum/pole) for grouting of each pole. The pole shall be welded with 40mm x 40mm square M S plate, 5 mm thick at bottom of the pole and having duly drilled holes at top/appropriate locations for accommodating M S fasteners for holding safety devices. The Job includes the cost of applying black paint to poles up to a height to 1.50M from the bottom of the pole and rest of the portion with one coat steel primer and two coats of water proof metallic paint of silver color. The job includes GI strip earthing as per IEEE rules.

Replacement of existing old Link-set to be retained at site by way of Providing & fitting of new 11KV G-O set polymer insulator type complete in every respect with all allied accessories and clamp for complete holding of lever Handle on the ST-Poles as per site requirement for Sub-Station along with disc insulator set complete (Polymer Type-12KN) as per IEEE rules after lowering of ACSR conductor from the poles then again laying of the same.

Providing & fixing of New Horn Gap/Drop Out Fuse set polymer insulator type for 11 KV power supply complete job as per IEEE rules.

Providing & fixing of New 9KA lightning arrestor set station/post type complete with fittings as per IEEE rules.

Providing & fixing of Belting angle set for holding transformer out of ISA 40x40x5mm (10ft long 02 No’s) with D-clamps/Mukhi clamps, nuts and bolts etc. for proper fitment on poles as per site requirement.

Providing and fitting of New ISMC 150 x 75, 9ft long (02 No’s), for resting of 100KVA HV power transformers, with suitable dia. size hole along with D-clamps/Mukhi clamps, nuts and bolts etc. for fitting on ST-poles as per site requirement and as per present IEEE rules.

Providing and fitting of ISMC 75 x 40, 9ft long with suitable dia. size hole for installation of link set, D.O set and lightning arrestor along with D-clamps/Mukhi clamps, nuts and Bolts etc for complete fitting on ST-Poles as per IEEE rules.

Supply, laying, Installation, Testing & Commissioning of 0.05 ACSR11KV HT Conductor for interconnecting the above items with HT/LT transformer. (Old ASCR, 11KV HT to be retained at site).

Providing and fitting of 11 KVA insulators (Polymer Type- 5KN)

P/I of Chemical earthling for complete earthing of Sub-Station and transformer comprising of company fabricated earthling 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 providing & connecting of transformer body, G.O Set & lightening arrestor as per IS 2629/85 through GI strip with the earthling electrode and making of surface structure in brick/cement concrete material with proper main-hole cover as per present IEEE rules. Safe earthling electrode size 80mm dia. Length – 2000mm Back fill compound. -25 kg Model/make – JVM -393, Ashlok, Recons, True Power

M/S BHAT ENTERPRISES