Running Contract for All O and M HT and LT Network work in Assistant Executive Engineer O and M Rural Mayiladuthurai Sub Division Mayiladuthurai Division

Excavation of pits in ordinary soil (either using JCB (or manually)

24' -00" /7.50 m poles

27''-00"/8.00 m poles

30''-00/9.14m poles/9.00mt

Excavation of pits for various sizes length of R.S.Joists in ordinary soil upto 36' / upto 40' / above 40' ( either using JCB (or) manually)

Erection of poles only ( either using of JCB (or) manually )

24' - 00" /7.50 m poles

27'' - 00"/8.00 m poles

30''- 00/9.14m RCC poles/9.00mt PSC ( 300 Kg)

Various sizes/length of R.S.Joists.

30' / 9.0 m PSC Poles ( 400 Kg)

Erection of stay set complete with double guy without pit

Erection of stay set complete without pit

Fixing of single phase L.T Cross arm/T.I fitting/ 11 KV TI fitting /33 KV TI fitting.

Fixing of 3 phase L.T. Cross arm

Fixing of 3'6' "V" cross arm

Fixing of 4-6' "V" cross arm

Fixing of 5-00' "V" cross arm

Fixing of tapping channel / cut point channel

Fixing of top channel

Fixing of Two Tapping cross arm per cut point upto 33 KV line including fixing of Discs, insulators and Jumpering etc..

Erection of AB Switch with PT insulator & Jumpering complete

Fixing of 11 KV Pin insulator with pin / Strain disc with hardware/including Polymer

Fixing of 33 KV Pin insulator with pin / Strain disc with hardware/including Polymer

Fixing of LT Pin insulator with pin / Fixing of LT Pin insulator without pin

Fixing of LT Shackle with hardware

Fixing of Aluminium knob

Erection of Distribution Transformer / Metering Set

upto 40 KVA

Above 40KVA upto 100 KVA

Above 250 KVA

Transport of required materials from roadside to work spot and providing Guarding for road crossing and P&T crossing.

Flat guarding

Construction of 3 No's earth trough including all materials.

Painting structure complete excluding distribution transformer & excluding materials

Colour washing of structure poles excluding materials

Colour washing of RS Joist poles each excluding materials

Erection of 33 KV A.B.Switch with jumpering

DISMANTLING WORKS:

Dismantling of poles 24' - 00" 7.5m

Breaking of damaged pole and releasing the grill

Dismantling of stay set complete and transporting from work spot.

(iv) Releasing of LT Cross arm/ T.I Fitting

Releasing of "V" Cross arm 3.5'/4.5'/5.0'

Dismantling DT

Dismantling Dt structure poles including removal of concrete

Dismantling of stay set complete at DT structure

Dismantling ABS st DT structure

Dismantling Top channel

Dismantling Guarding including cross arm

GENERAL :

Set right the leaning pole in H.T/L.T at pin point locations.

Set right the leaning pole in H.T/L.T at cut point locations.

Re sagging of line 7/2.50 AAAC

7/4.09 ACSR ( Raccoon )

6 /4.72 + 7 /1.57 mm ACSR Dog Conductor

Painting of Distribution Transformer alone (excluding material)

Painting of R.S Joists/Rail poles Upto 30'- 00" (excluding material)

Painting of R.S Joists/Rail poles above 30' - 00" lengths (excluding material)

Colour washing of R.C.C / P.S.C poles (excluding material)

Distemper coating (excluding materials)

MONTHLY MAINTENANCE OF DISTN. TRANSFORMER.

Replacement of worn out Busbar in DT with open type jumber (including dismantling worn out and erection of new one)

Yard cleaning & checking of joints in DTs

Maintenance of distribution transformer including checking tightness, yard cleaning, earth pit watering, silica gel replacing and other related works

Split up details for the Erection of single pole Transformer structure complete

Excavation of structure pole pit 3’X3’x6’ by using JCB or manual including Square Pole

Erection of Poles by using JCB or manual

Erection of stay set complete with pit

Mass concreting for poles including base concreting 0.65 X 0.6x1.85 mtr and coping including material with labour.

Stay concreting

Erection of structure materials:

Tapping Channel

Transformer bed structure

Erection of AB Switch

Erection of H.G Fuse set (3 No's)

Structure earthling complete with pits and earth loops

LT open type single

HT - LAS fixing (3 No's)

LT - LAS fixing (3 No's)

HT jumpering complete (3 No's)

Painting of all clamps, other materials and painting of structure pole (Excluding paint)

Fixing of Danger board ( Excluding board)

Erection of Centre support

BREAK DOWN WORK

I.Due to non availability of staff, labour can be engaged for break down work under the Supervision of Foreman / line Inspector

Ground patrolling of HT line during breakdown

Rectification of snapped HT line during breakdown

Rectification of snapped LT line during breakdown

Replacement of Flashover HT pin Insulator, LAS, Strain disc including jumpering, binding and transporting of required materials.

SUB STATION WORKS

Cleaning of 110 KV breakers including CTs and allied maintenance works

Cleaning of 110 KV LAS

Cleaning of 110 KV AB Switch and applying petroleum jelly

Cleaning of 110 KV Power Transformer insulators and assisting for all other maintenance works

Cleaning of 11 KV breakers and CTs and allied maintenance works

Cleaning and checking of 110 KV Bus insulators

Cleaning and checking of capacitor banks and other accessories

Cleaning and checking of 11 KV AB Switches including tightening on Bolt & Nut and applying petroleum jelly

Releasing and refixing of clamp in 110 KV Side

Releasing and refixing of clamp in 33 KV / 22 KV / 11 KV Side