Enq. No. 78-II/20-21, Rate Contract for erection,maintenace and dismantling of electrical networks OH Line and cable including sub-stations maintenace in kadapeeri sub-division of tambaram division

Amount

ERECTION OF 11KV DISTRIBUTION Transformer in DP Structure

Excavation of Structure Pole Pit 2x3x1/6 th of height

Erection of 9.14 M RCC/9.0 Mtr PSC /RSJ pole

Transporting of 9.14 m poles from Road side to pole pit

Structure pole mass Concreting and coping 0.6x06x1.65 for DP structure Including cost of all the materials and cement.

Erection of structure materials complete such as top channel, seating channel, belting angle, cross bracing. DPDC channel, T.I. Fitting etc., complete including transporting of structure materials.

Excavation of stay pit 0.95x0.60x1.5m and erection of stay set complete

Sleeve concrete for stay set including all materials

Erection of HG fuse set including transport

Erection of 11 KV AB switch complete set including transport.

Transformer structure grounding and earthing of structure complete including excavtion of earth pit and erection of earth pipe with salt, coal and earth refiling etc., complete including cost of coal and salt,with trough

Transformer structure grounding and earthing of structure complete including excavtion of earth pit and erection of earth pipe with salt, coal and earth refiling etc., complete including cost of coal and salt,without trough

Erection of Aluminium bus bar pipe complete for H.T. Bus bar arrangements for DP Structure

Erection of L.T. Open type fuse unit including cable jumpering upto the line.

Providing LT bus bar arrangements/ cable in DT structure including fixing of cross arm and insulator.

Erection of H.T. jumpering in DP structure complete

Erection of H.T. LAS

Erection of L.T. LAS

Erection of Distribution Transformer excluing loading and unloading

Upto 100 KVA

Above 100KVA

Painting of two coats of Aluminium paints for Transformers structure and iron materials including cost of paint and painting of structure pole with distemper including cost of materials etc.

Loading and unloading of Distribution Transformer at site and store.

Dismantling of failed Distribution Transformer from the structure including removing HT & LT connection and all other incidental works. (excluding loading and unloading)

Upto 100 KVA

Above 100KVA

Crane hire charges

Laying of 11KV HT CABLE

Excavtion of cable trench 0.6 meters width and 1.2 meters depth including cost of providing sign boards, danger lights indication arrangements wherever necessary all lead,lift, labour and tools and plants etc., complete.

Normal Road (earth)

Tar Road

Concrete Road

Transporting of 11 KV HT cable from departmental stores to work spot by engaging private vehicle including recoiling ,coiling and loading and unloading at both sites.

3x300 sq mm XLPE (1 drum: 200 m)

3x120 sq mm XLPE (1 drum: 200 m)

LAYING OF HT CABLE

Laying of 300 sq mm XLPE cable

Laying of 120 sq mm XLPE cable

Covering HT cable by cement "V" trough after covering the cable with good loose earth including loading, unloading and transport from stores to site and letter painting of feeding details & Cable size on the trough

Refilling with excavated earth layers well consolidated as per std specification including all materials, lead, lift etc., complete.

Transport back any balance cable, empty drums and other materials if any by engaging private vehicle including recoiling, coiling and loading and unloading at both sides from workspot to departmental stores (minimum 2 empty drums)

LAYING OF LT CABLE

Tansport of LT cable by engaging private vehicle including recoiling coiling and loading and unloading at both sites.

240 sq.mm ( 1 drum - 200 meters)

120 sq. mm ( 1 drum - 500 meters)

25 sq. mm ( 1 drum - 500 meters)

16 sq. mm ( 1 drum - 500 meters)

Excavation of cable trench 45 cm width and 75 cm depth including cost of providing sign boards, danger lights, indication arrangements wherever necessary, lead, lift, labour and tools and plants etc., complete.

Normal Road (earth)

Tar Road

Concrete Road

LAYING OF LT CABLE

Laying of 240 sq.mm cable

Laying of 120 sq.mm XPLE cable

Laying of 25 sq.mm cable

Laying of 16 sq.mm cable

ERECTION OF PILLAR BOX

Erection of pillar box including excavation of foundation pits as per standard specification 2 Nos pillar concrete walls, coping and earthing the pillars upto and above 1.2/1.5 m from ground level including cost of all materials, cost of labours including electrical works, transportion, lead, lift complete etc.,

4/6/8 way pillar box & mini pillar boxes for 2 feet 0.6 m

4/6/8 way pillar box & mini pillar boxes for 3 feet 0.9m

4/6/8 way pillar box & mini pillar boxes for 4 feet 1.2 m

4/6/8 way pillar box & mini pillar boxes for 5 feet 1.5 m

Cleaning, painting with Aluminium paint 2 coats & numbering pillar box with feeder details. (Estimate sanction, mandatory) including cost of all materials.

8 way pillar box

6 way pillar box

4 way pillar box

Mini way pillar box

Dismantling of old pillar box including associated accessories, loading on the vehicle, transporting, unloading at stores and stacking.

4/6/8 way pillar box

Mini pillar box

OH line Erection

Erection of RCC/RSJ/PSC pole and other poles including excavation of pole pit (pit size 2'x3'x1/6th of the length of poles)

Excavation of pole pit for 7.5/8 meters

Erection of pole pit for7.5/8 meters

Excavaion of pole pit for 9.0/9.14 meters

Erection of pole pit for /9.0/9.14 meters

Erection of base plate

Erection of line materials

Erection of V cross arm 3 1/2' size

Erection of V cross arm 4 1/2' size

Erection of Tapping channel 5 ' size

Fixing of 11 KV TI fitting

Fixing of 33 KV TI fitting

Fixing of LT 3 phase cross arm

Fixing of LTTI fitting

Fixing of single phase cross arm

LT pin insulator with pin

LT shackle with strap sets

11 KV pin insulator with GI pin

33 KV pin insulator with GI pin

11 KV strain disc with metal parts

33 KV strain disc with metal parts

Fixing of Aluminium knob

Providing of fly stay (excluding pole erection and earth excavation)

Concreting of poles with 1:4:8 mix, 1.1/2 broken metal jelly and M sand including coping (M sand, jelly and cement, will be supplied by the contractor)(with coping of 1' dia upto height of 1.1/2' above and 1' below ground level)

7.5 meters/8 meters pole

9.0/ 9.14 meters pole

Earthing of poles

Paving out conductor, stringing and sagging of line of all sizes of ACSR / AAAC conductors of HT/LT lines including pin binding of supports and terminating at shackle points using aluminium roller, including jumpering.

Upto 7/2.59 mm ACSR/7/2.50 AAAC

Upto 7/3.35 mm ACSR/7/3.15 AAAC

Raccoon 7/4.09 per

Dog conductor 7/4.72

Numbering of location/each including cost of paint and labour

Providing of guarding per span excluding of stay set erection

2 wire flat guarding(Split neutral grounding)

4 wire flat guarding

Craddle guarding including earthing and earth pit excavation

Erection of street ligh fittings 2 feet/4 feet (All materials supplied by the Board) Labour alone.

Erection of cross bracing set

10' Centre

15' Centre

Erection of Top Channels

10' Centre

15' Centre

Erection of 33 KV centre rotating AB switch complete set

Erection of 11 KV centre rotating AB switch complete set

Erection of spacers & jumpers

Single phase

Three phase

Provision of Paa jumpers

Metering set loading and unloading

Loading / unloading of poles

7.5/8 meters pole (RCC/PSC)/Each

9.14 meters pole RCC /9.0 mtr PSC/9.14 RSJ /Each

Loading of conductor

Conductor drum of all sizes with conductor

Conductor drum of all sizes without conductor

Un loading of conductor

Conductor drum of all sizes with conductor

Conductor drum of all sizes without conductor

Erection of metering sets

Cutting of channels/Flats/Angle

Channel/Flat/Angle

RSJ pole cutting

Tubular pole cutting

Rail pole cutting

Alteration of clamps

Maintenance works

Maintenance of DT structure for various capacity (pole mounted structure)

DP Structure maintenance

TP Structure maintenance

4P Structure maintenance

DT maintenance

Structure earthing redoing

Replacement & Structure earthing complete including earthing with 3 pipes

Yard cleaning

Watering earth pits

Maintenance of pillars works such as replacement of damaged insulators worn out stembolts, lugs, termination of cables and dressing.

8 way pillar box

6 way pillar box

4 way pillar box

Mini pillar box

Maintenance of 11 KV AB Switches only. (Checking of alignment and replacement of wornout fixed and moving contacts PT insulator, changing earthing and Lubricating).

Maintenance of 33 KV ABS only. (Checking of alignment and replacement of wornout fixed and moving contacts PT insulator, changing earthing and Lubricating).

Tree clearance(3' on either side of line and open to sky)

leaning of HT/LT Poles

Pin Point location

Cut Point Location

Resagging of lines for all conductor sizes

Re-sagging (HT) 7/4.72 mm

Re-sagging (HT) 7/4.09 mm

Re-sagging (HT&LT) 7/3.35 mm and 7/3.15 mm

Re-sagging (HT&LT) 7/2.59 mm and 7/2.50 mm

DISMANTLING WORKS

Dismantling of poles

7.5m/8.0m Poles

9.0/ 9.14 Mtr. Poles/RSJ/Tubular Poles

Dismantling of Stay set complete

Dismantling of conductors upto 7/2.59 MM including Coiling and Transporting from workspot to store

Dismantling of conductors 7/3.35 MM and above including Coiling and Transporting from workspot to store

Dismantling of line materials/ structures

Releasing of TI Fitting

Releasing of LT S ph "X" Arm/TI Fitting

Relaasing of LT 3 ph "X" Arm

Releasing of 3' - 6" "V" Cross Arm/Tapping channal/Guarding "X" Arm

Releasing of 4' - 6" and "V" Cross Arm

Releasing of 5' "V" Cross Arm

Dismantling of Transformer Structure materials

Dismantling of AB Switch at D.T.Structure

Dismantling of H.G. fuse set

Dismantling of HT LAS at DT Structure

Dismantling of LT LAS at DT Structure

Dismantling of Open type fuse unit with all wiring complete

Dismantling of cross bracing set(10'/15' centre)

Dismantling of Top Channel (10'/15' centre)

Dismantling of Guarding including Dismantling of cross arm per span

Breaking of RCC Damaged Poles after dismantling,relesing the grill including transporting to Road side

Stacking materials/Scrap

Substation Maintenance

Cleaning of 110 KV Breakers including CTs and allied maintenance work

Cleaning of 110 KV LAS

Cleaning of 110 KV AB switch and applying petroleum jelly

Cleaning of 110 KV Power transformer insulators and assisiting for all other maintenance works

Cleaning of 33 KV/11 KV Breakers and CTS and allied maintenance works

Cleaning and checking of 110 KV Bus insulators

Cleaning and checking of 33 KV/11 KV AB switches including tightening of bolt and nut and applying Petroleum jelly

Releasing and refixing of clamp in 110 KV/33 KV/11KV buses

Maintenance of 110 KV ABS only. (Checking of alignment and replacement of wornout fixed and moving contacts, and Lubricating).

Removing weed in Substation/Office premises per sq.mtr(Jungle Clearance)

ERECTION OF SINGLE POLE DT STRUCTURE

Ground leveling and Bush clearing

Loading of 9mtr/9.14mtr RCC/PSC pole

Unloading of 9mtr/9.14mtr RCC/PSC pole

Labour and transporting of 9mtr/9.14mtr RCC/PSC pole upto 5KMs

Loading and unloading line of materials including stacking

Transporting of line materials from office to work spot

Excavationof Pole pit per size 3'x 3'x6'

Erection of 9mtr/9.14mtr RCC/PSC pole including baseplate

Excavation of stay pit per size 2'x 2'x6'

Erection of stayset including baseplate

Earthing of structure complete set with 3Nos earth pits excavation including providing 3nos earthpipe of size 40mmx3mtr(GI Pipe), pit size 2'x2'x2' filled with mixture of sand, charcoal and common salt in equal proportion to to depth of 1.25' and 1"jelly to a depth of 9", earth connection to be provided with GI wire,plates and bolts and Nuts.(Except 3Nos earth pipe with GI wire, plates and bolts and nuts all other materials to be supplied by Board)

Erection of Transformer structure materials including transporting from road side to work spot per set

Erection of 11KV AB Switch set including transporting from road side to work spot. Per set

Erection of HG Fuse set including transporting from road side to work spot. Per set

Mass concreting of pole with 1;4:8 mix 1/2 broken metal jelly, cement and river sand including coping. (Size height of pole).(as per civil rate) all materials will be supplied by contractor. For 2poles

Erection of HT LAS 3Nos

Erection of LT LAS 3Nos

Painting of transformer structure including cost of paint , brush etc., (1.one coat of red oxide paint in all iron materials, 2.colour washing of 2nos structure poles, 3.painting of transformers, and all iron items with aluminium paint)

Erection of LT opentype arrangements including running LT bus and jumpering complete (Both sides)

Unloading and erection of DT at Site (Excluding loading)

Name plate painting and lettering of transformer details including cost of materials and labour