Design, Detailed Engineering, Manufacture, Supply and laying of 5kM of 110 kV, 1x630 Sq.mm Aluminium XLPE UG (Double Circuit) Cable and accessories at Valayankulam 110 kV SS

Amount

ABSTRACT

Supply of Materials - For UG Cable Works

Supply of Materials - For Tower Line Works

Labour Charges for UG Cable & Tower Line works

Applicable GST Amount (Total GST Amount @18%)

Description of Work / Item(s)

Amount

Supply of Materials - For UG Cable Works

Supply of 110kV 1X630 Sq.mm Aluminium XLPE UG cable

110 KV 1x630 Sqmm normal straight joint

110 KV 1x630 Sqmm insulated joint

Out door terminaton kit for 110 KV 630 Sqmm XLPE cable

Out door terminaton structure

Link boxes single phase with CCPU

Link boxes single phase without CCPU

Link boxes three phase with CCPU

1x400 sq mm Cu XLPE Earth Continuity Conductor cable

Optic fibre cable 48 fibre with accessories along with HDPE pipe

Supply of 6.35 X 11 kV, 400 sq mm Sheath bonding cable

Supply of 48 fibre (ADSS) cable with 40mm Dia HDPE Duct hose pipe, FODP and all accessories etc complete

Description of Work / Item(s)

Amount

Supply of Materials - For Tower Line Works

Supply of HT Tower Parts

Supply of MS Tower Parts

Supplying of Panther Conductor

Suppling of Single Tension fitting for Panther

Suppling of Single Suspension fitting for Panther

Supply of 120KN Insulators

Supply of 90KN Insulators

SB Damber for Panther

16mm D Shackle

16mm U Bolt

Number plate

Danger Board

Phase plate

Name board

Mid Span Joint for Panther

OPGW 48 fibres with all accessories

Bolts & Nuts

Description of Work / Item(s)

Amount

Labour Charges for UG Cable & Tower Line works

Clearing of juli flora jungle disposing off to a place at-least 1km away from the site as directed by the Engineer in charge including all Labour charges, Lead, Lift, T&Ps etc., complete.

Removing of black top road and disposed away from the site as directed by the Engineer including cost of labour specification complete.

Earth work excavatin in hard gravelly soil, stiff black cotton soil, hard red earth, shales, murram, gravel, stoney earth mixed with small size boulders etc., complete as per standard specification complete

Earth work Excavation and depositing on bank with initial lead of 10 metre and lift of 2 metre in soft disintegrated rock, laterite soft rock or kankar not requiring blasting including all leads, lifts etc., as per standard specification complete

Earth work Excavation in Hard rock by wedging and chiseling and trimming to proper shape where blasting is prohibited including all leads, lifts etc., as per standard specification complete.

Supplying and filling the trench with M sand along the cable route as per standard specification, including cost of all materials, labour, lead, lift etc., complete.

Transporting and laying of RCC 1:1.5:3 mix UG cable cover slab from casting yard to work site placing in position as required at site.

PCC 1:3:6 using 20mm metal for tower foundation concrete without formwork including cost of all materials labour,curing lead lift curing etc complete.

PCC 1:2:4 using 20mm metal for cable joint bay padding concrete without formwork including cost of all materials labour,curing lead lift curing etc complete.

Brick work in C.M. 1:3 using chamber burnt class II bricks, for cable joint bay in below ground level including, cost of cement, all materials, labour, curing, all leads and lifts, etc complete as per Standard Specification.

Reinforced cement concrete in CC 1:1.5:3 mix using 12 to 20mm HBG machine crushed metal for cover slab including cost of cement and form box all materilas,labour,curing vibration charges including cost of all leads, lifts as per standard specification etc., complete (but excluding cost of steel reinforcement)

Reinforced cement concrete in 1:1.5:3 using 20mm HBG machine crushed metal for footing concrete including cost steel shuttering, centering, cost of all materials, lead, lift , etc., complete.,but excluding cost of steel reinforcement

Refilling with the excavated earth other than sand including watering consolidation in 150mm layers as per standard specification etc complete.

Disposal of excess earth away in low lying area with a lead of 200 meters, labour, lead, lift as per standard specification complete.

Supplying and fabricating and placing in position of MS/RTS steel reinforcement for RCC works including labour for cutting, bending tying and fixing in position as per specification including cost of all materials, labour, lead, lift, tools and plants etc., complete

Supplying of 110KV cable drums each weighing approximately 7T in lorries using adequate capacity truck mounted crane for both loading and unloading including labour required for loading, transporting, unloading, driver bata etc., (7 Drums at a time), all lead, Lift, labour,Tools and plants etc., complete.

Supplying and Providing of Winch, steel wire drum, cable drum stand, rollers, ramp and other T&P 's required for laying to the work site by engaging lorry and crane for site including Equipment cost,T&P cost,loading and unloading etc (No material will be supplied from department stores.) Positioning of winch , D.G.set and others rollers for cable laying on a day before laying and dismantling and resting of rollers in rollers boxes after completion of laying.

Laying of OF 3 NOS 1X630 Sq.mm 110KV XLPE UG cable with sheath bonding cable, earthing cable, earth continuity cable, etc with Non magnetic spring loaded double commpression loaded type clamp (whereever necessary) in trench and duct , CTT tower by means of winch over rollers , dressing the cable in trefoil formation, tying the cable with nylon rope at every 3m intervals.The rate includes the cost of pulling the steel wire rope from winch side to drum side,tools & plants, labour consumables,lead,lift etc., complete..

Loading at site,Transporting to EB Store and unloading and devolution of balance cables if any and Empty 110KV cable drums each weighing approximately 1 to 1.5T and in lorries from various work site (3 Drums at a time) including cost of all lead, Lift, labour,Tools and plants etc., complete.

Providing barricade arrangement wherever necessary with 5 cm to 8cm dia casurina vertical post andhorizontal runners (vertical post every 1.0 m c/c for anover all height 1.5m driven 0.30m into the ground +1.20m projected above ground level) and horizontal runners in 3 rows cost of all materials , cutting to size taking pits, not to affect the flow of traffic and movement of public transporting to worksite including lead, lift, lift, etc., complete. Note: The barricade have to be removed and refixed twice, for cutting the trench and secondly for removing the dumped earth for laying the cable and the bidder rate shall provide for such operation.

Supplying and laying the warning grid tape to cover the entire Width of the trench including transporting, cutting and pasting the same with required adhesive etc. complete

Dismantling the brickwork, PCC, RCC inside the cable trench and cable duct wherever occurof any thickness and clearing the trench/duct free from debris and without hinderence to the cable laying work including lead, lift, labour, tools & plants etc., complete as per direction of Engineer-in-charge.

Dismantling PCC inside the cable trench and cable duct wherever occurof any thickness and clearing the trench/duct free from debris and without hinderence to the cable laying work including lead, lift, labour, tools & plants etc., complete as per direction of Engineer-in-charge.

Dismantling RCC inside the cable trench and cable duct wherever occurof any thickness and clearing the trench/duct free from debris and without hinderence to the cable laying work including lead, lift, labour, tools & plants etc., complete as per direction of Engineer-in-charge.

Providing Shoring and Strutting using necessary Country Wooden Planks 40mm thick and 8cm to 10cm dia. Casurina,vertical posts at every 300mm C/C of 1.80m height duly anchored 300mm into the ground for firm support including placing and making the two rows of planks of top and bottom and one middle row of casurina with strutt arrangements at top so as to afford easy laying as cables. The rate shall also include necessary storage charges for the casurina and Country Wooden Planks at suitable place so as not to affect the traffic and movement of public transporting them to work spot lead lift besides the cost of materials etc., complete. ( Any other improved method of shoring and strutting is also accelptable to TANTRANSCO. But at no extra cost to TANTRANSCO )

Supplying and laying of wooden platform for public convenience to cross over the trench including cost of all transportation making and placing wherever required, labour lead and lift etc,complete as per the direction of Engineer at site.

Supplying & laying of HDPE ducts of 136mm Inner Diameter of DURA-GUARD or equivalent make of test method confirming to IS:14930 Part.2 and to withstand compression test with morethan 450N @ 5% deflection and Impact test with 5 Kg of weight dropped from a height of 800mm due to which there shall be no crack allowing the ingress of light or water between inside & outside. The HDPE pipes shall be jointed with necessary accessories such as Elbows, Bends, Couplers of DURA-GUARD or equivalent make wherever necessary for due connection in road crossings including all materials required for fixing in position, lead, lift labour etc. including labour for transporting the pipes, cutting and jointing the pipe, tying with 7/20 SWG G.I. wire inside the pipe and closing the ends with end cap including cost of pipe, specials, labour, lead, lift, T&P etc., complete.

Supplying, fabricating and Laying of MS platform with heavy angle and sturt support for laying the cable encasing MS pipe beside the road culvert to pass the cable in same alignment of cable trench without infringing and causing any hindrace to the movement of the vehicles etc. complete and as directed by the site Engineer at the time of executing the work (All materials,loading unloading, transporting to sit, labour, tools and equipment, etc. are to be supplied by the Contractor/ tenderer at his own cost only).

Supplying and Laying of the manufactured MS 6 MM thick encasing pipe of 600mm (ID) over the fabricated platform beside the road culvert to pass the cable in same alignment of cable trench without infringing and causing any hindrace to the movement of the vehicles etc. complete and as directed by the site Engineer (All materials, labour, tools and equipment to jacking / drilling road, vehicle, consumable stores, etc. are to be supplied by the Contractor/ tenderer at his own cost only).

Supplying and laying of 110 mm dia PVC pipe including blowing OFC cable including cost of HDPE pipe hire charges for blower transporting , lead, lift, labour etc., complete.

Supplying and laying of 1x400sq mm Cu XLPE cable including blowing Earth Continuity Conductor 1x400sq mm cable including cost of hire charges for blower transporting , lead, lift, labour etc., complete.

Trenchless crossing including cost of pipe-Horizontal directional drilling. (Supply and laying of HDPE piple of 200mm dia wall thickness 10mm with spigot and socket end by trenchless method 2m to 3m below the ground level without affecting any Rail way installations and other service lines. The rate includes the provision of drive pit, entrypit, exit pit as required and removing the soil from the pipe, cost of jointing the pipe with fusion method trying and providing 7/20 SWG GI wire inside the pipe and closing the end by end cover etc., complete or any other suitable method as the site condition may warrant as approved by the Engineer at site. All the T&P ie., machinery, labour, and materials are to be provided by the contractor (Tenderer)

Labour charge for erection of out door structure, with terminal clamps including kit suitable for 110 KV 1x 630 Sqmm Aluminium conductor XLPE lead sheathed UG cable

Labour charges for machineries ,consumable for erection of earth matt and earth raisers as directed by field engineers

Providing earth pit of 115mm dia bore to a depth of 6m including cost of materials and labour for fabrication of earth electrode using MS rod 40 mmdia and insert electrode in to borewell and refilling with red soil and bentonite powder of 30 kg and other sundries ,identification board of size 300 x150 mm 14 SWG lettering and 12 mm M.S round rod to be fixed in the board as directed by field Engineer.

Supplying, Fabrication, galvanishing and fixing of GI angles for fencing coner post of size 75x75x6mm & height 2.44 m with Galvansing including cost of fixing charges, all materials, lead, lift, as per standard specification, etc., complete.

Supplying, Fabrication, galvanishing and fixing of GI angles for fencing intermediate post of size 65x65x6mm & height 2.44 m with Galvansing including cost of fixing charges, all materials, lead, lift, as per standard specification, etc., complete.

Supplying, laying and tensioning of Chain link fencing mesh size 50x50mm 10gauge & three rows barbed wire with height 1.85m and tying with the intermediate posts in GI flats using bolt & nuts including cost of all materials, lead, lift, labour, as per standard specification, etc., complete

Painting with anticorrosive black paint, two coats on the tower legs upto 1 mtr height from chimney coping including all cost of materials lead lift etc complete.

Plastering the Chimney portion upto 0.45 m with CM 1:3, 12mm thick including all cost of shuttering charges lead lift curing labour materials etc complete

Transport of 3 Nos. of Panther conductor, paving out, jointing, rough sagging, tensioning, clipping, providing vibration dambers for tension locations including giving jumber connection for power conductor including transport charges, loading unloading lead lift etc complete.

Supplying, paying out, jointing, rough sagging, tensioning of OPGW 48f including all accessories giving jumber connection including transport charges, loading unloading lead lift etc complete.

Tack welding of all bolts and nuts in the erected towers from ground level to the cross arm bottom level in the tower including painting of bolts and nuts with two coats of best quality of cold galvanised paint having atleast 90% zinc content and approved by the Engineer at site including cost of paint and all other materials hire charges for diesel generator and welding transformer all labour transport charges etc complete.

Labour charges for Transport and hoisting of 120 KN antifoc/Ord single tension insulators of 8 units including all cost of labour lead lift T & P etc complete.

Labour charges for Transport and hoisting of 90 KN antifoc/Ord suspension insulators of 7 units including all cost of labour lead lift T & P etc complete.

Providing temporary guys at the time of releasing and lowering and stringing of power conductor and earth wire etc., rough sagging and single tensioning with necessary excavation of pits fixing rails etc., and dismantling stay after completion of work including major & minor T&P's steel ropes with all labour lead lift as per standard specification etc., complete.

Design & Submission of tower drawings for 110KV Double circuit UG cable & Over head line termination tower with cable pot & 110KV LAS installation structure including design for termination of cable in the tower itself ( for extensions/towers) such as any other special type of tower extension as per the site requirements with foundation details & design including soil investigation for safe bearing capacity of tower location and technical specifications, relevant latest Indian standard specification etc., complete.

Transporting & installation of stubs, cleat and assembling at site and shifting the template from loc to loc including cost of all materials, labour for fabrication, galvanising etc., lead lift complete.

Transporting & Erection of towers, tightening and punching of bolts & nuts, per approved design drawing and final checking including all lead lift etc., complete. including supply of tower parts as per standards and erection if any including scaffolding arrangements for termination work and etc.,Tools & Plants all labour, lead, lift, etc., complete.

Providing scafolding in all the four sides of the CTT location for erection of LAS cable pot and termination of in the Cross arm of the CT Tower

Laying, Erection, Testing and Commissioning of 48 core Optic fibre (ADSS)cable with joints 40mm Dia HDPE Duct hose pipe, FODP and all accessories etc complete