Diversion and re construction of the of 132KV D C Monarchak Rabindranagar Transmission line at Rabindranagar for connection into newly constructed 132 KV switchyard under NERPSIP

Amount

GROUP-A (SUPPLY) :

Galvanised steel materials for towers.

Stub in/c. cleat (Set of four)

Super structure.

Accessories for tower

Phase plate (size 10cm dia) (set of three R,Y,B.) .

Danger plate (size 30 X 20 cm.) Made of 18 SWG thick.

Number plate (size 15 X 10 cm.)

Anti climbing devices - (15 kgs set consisting for each tower)

G.I. Barbed wire

Galvanised iron made nuts & bolts,spring washer, flat washer, 'D' shackle & 'U' bolts of reqired sizes.

Earthing set, pipe type consisting of 40 mm. hot dip G.I. Pipe 3 mtr. Long perforated, galvanised 50 X 6 mm. steel flat 2.5 mtr. Long 1 piece 450 mm. long another piece in 'L' shape complete with G.I. Nuts, bolts, washer as required.

HARDWARE FOR CONDUCTOR :-

Conductor accessories suitable for ACSR "PANTHER" conductor of size 30/7/3.0mm

Mid span Joint

Compression type repair sleeve.

Parallel groove clamp with nuts,bolts and washer etc.

Stock bridge type vibration damper.

Hard ware for insulators: Accessories suitable for 11KV,120 KN ball & socket type disc insulator of size 255X145mm with cap,pin,ball & W clip etc. complte as per IS:731/1971, IS:3188/1980 & IS:137/1960, ball & socket conforming to IS:2486 (Part-II).

Accessories for 10 Disc single tension insulator string.

11KV Disc insulator of size 255X145mm, ball & socket type EMS 120 KN with 20 mm dia ball complte with W/R clip (Zinc).

Supply of ACSR "PANTHER" conductor of size 30/7/3.0mm as per IS 398 (P- II) /1996 and as ammended upto date.

24 Fiber (Dwsm) Opgw Fiber optic cable ( With Central Fiber Optic Unit of Steel Tube Design)

Accessories for Fiber (Dwsm) Opgw Fiber Optic cable

Dead end Tension Clamp for 24 Fiber Opgw

Tension fittings assembly for 24 F Opgw including all accessories for joint box ( Splicing) location

Passing tension Clamp for 24 Fiber Opgw

Vibration Damper for 24 Fiber Opgw

Down lead Clamp for 24 Fiber Opgw

Joint box for 24 Fiber Opgw

GROUP "B" (CIVIL WORKS)

Original survey of transmission route allignment which shall include following sequentional schedule of sub items. The works to be carried out as per standard of transmission line other wise specified and directed by Engineer-In-Charge. (Scale- R.F.=1:200).

Preliminary survey which includes road allignment better accessible transportation road, details report preparation & submission etc. thereof.

Route survey with details of allignment angle & direction thereof including necessary jungle cutting & preparation of allignment plan etc.

Preparation of profile plan and "L" section etc. & submission thereof.

Providing & fixing of necessary "T" shape RCC piller of 1:2:4 etc.

Check survey during foundation work.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. All Kinds of Soil

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil

Supplying and filling in plinth, under floor, foundations etc. with sand (fine) from local quarry with all lifts including spreading in horizontal layers, watering, grading to required slope,ramming, consolidating and compacting each layer by using plate compactor or by any suitable method complete.

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering. All works upto plinth level

1 : 3 : 6 (1cement : 3 river sand : 6 stone aggt. of 20 mm. nominal size)

Setting of stubs (Set of four) including centering, levelling etc.with the help of template as required.

C - type Angle tower

Reinforcement for RCC work including straightening, cutting, bending, placing in position and binding all complete up to floor five level.

Thermo-Mechanically Treated bars of grade Fe-500D or more

Providing RCC work 1:1.5:3 (1 Cement: 1.5 River sand : 3 stone aggt. of 20 mm. nominal size) including finishing & plastering the exposed surface with cement mortar 1:3 (1cement: 3 river sand) thickness not exceeding 6mm. to give a smooth and even surface including supply of cement, sand and stone aggt. 20mm.nominal size centering, shuttering, propping, dewatering etc. as required and excluding the cost of M.S. rod but including removal of performed steel from boxes and back filling of excavated earth, dressing, ramming etc. as required.

First class brick work in foundation and plinth including cost of all materials as required complete:- In cement mortar 1:4 ( 1 cement : 4 fine sand ).

12 mm cement plaster of mix Cement mortar 1:4 (1 cement : 4 fine sand)

Neat cement punning.

GROUP "C" (ERECTION)

Super structure erection including fixing up Danger plate, Number plate,Phase plate, step bolt, Bird guard, Anticlimbing devices including tack welding of bolt upto lower level of bottom crossarm to complete in all respect as required for all type of towers including extension portion.

Hoisting of insulators and stringing of ACSR "PANTHER" conductor of size 30/7/3.0 mm. including laying, stringing, tensioning, clamping and jointing etc. per route KM. In 2(Two) conductor and including fixing of vibration damper, armour rod etc.including clearing of jungles, bushes & trees ( all girth) 3 mtr. and maximum of 12 mtr. on either sides from the end conductor depending upon site condition / requirement as per direction of Engineer -in-charge.

Stringing of 24 Fiber (Dwsm) Opgw Fiber optic cable (Live line)

Installation of Joint box above ground ( including Splicing and testing ) 24 Fibers.

Grounding of tower with perforated Hot dip G.I. pipe and 50x6mm G.I.Flat including the cost of charcoal and salt per set as per specification.

GROUP - "D" (DISMANTLING AND HANDING OVER OF MATERIALS)

Dismentling of ACSR "PANTHER"' conductor per route Km of 6(six) conductors from existing tower and handing over to Sr. Manager, 132KV Grid Sub-station, 79-tilla, Agartala.

Dismentling of disc insulator from existing tower and handing over to Sr. Manager, 132KV Sub-station, Rabindranagar.

Dismentling of OPG wire from existing tower and handing over to Sr. Manager, 132KV Sub-station, Rabindranagar.

Dismentling of Galvanised steel materials of tower and handing over to the Sr. Manager, 132KV Sub-station, Rabindranagar.