Construction of 12.05Km DC line from Koothattukulam to Kuravilangadu

Amount

Laying and Jointing PVC Pipe. Heading

Detailed surveying of the route along the alignment fixed by the Board, preparation of the longitudinal profile of the route showing all site details of the terrain for km full width of the line route, plotting the tower location with details of type and extension to towers, preparation of Tower schedule, calculations involving sag and tension of conductors, preparation and supply of one copy of the approved “ sag template” on transparent acrylic plastic sheet. Supply after completion of all the stub setting works, three paper print copies of the approved profile drawing and route map with the final tower locations marked.

Transport of materials issued departmentally for the works from Departmental store and distribution to locations for errection including storage if necessary loading and unloading charges etc

Line conductor and earth conductor

Insulators and hardwares, accessories for power conductor,accessories for earth conductor etc

Towers, tower extensions and other structure and all other materials including earthing materials

De watering mechanical:- Bailing out water with engine and 5HP pump set including conveyance to site and erection cost of fuel, lubricating oil and other stores, pay of staff ,etc complete

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 up to 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

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 from 1.5 m to 3.00 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

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 from 3 m to 4.5 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

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 in or under water and/or liquid mud, including pumping out water as required in the depth up to 1.5m

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 from 1.5 m to 3.00 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. - Extra rates for quantities of works, executed in or under water and/or liquid mud, including pumping out water as required in the depth 1.5m to 3.0m

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 from 3.0 m to 4.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. Extra rates for quantities of works, executed in or under water and/or liquid mud, including pumping out water as required in the depth 3.0m to 4.5m

Excavation work 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 up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m. - Ordinary rock

Excavation work 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 from 1.5m to 3.0m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m. - Ordinary rock

Excavation work 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 from 3.0m to 4.5m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m. - Ordinary rock

Excavation in hard rock using contractors non- explosive agent(Chemical blasting) like ACCONEX or equivalent or any other similar Materials as per the direction of departmental officers without resorting to the use of conventional explosive materials including drilling necessary holes, welding, picking, barring and removing the spoil at places pointed out by the departmental officers with all lead and lift up to 5 km etc. complete.

Controlled blasting in hard rock including boulders above 0.50m3 measured in solid using country blasting powder and fuse after taking elaborate precautions by providing protective barrier to required length and height adjacent to the blasting area facing the existing nearby structures using chain link or wire mesh of approved quality fitted to rail/ I- section support posts, facing the blasting areas for prevention of damages due to flying spalls to the nearby buildings and people, rectification of damages to the barrier at intervals of each blasts and dismantling, removal of barrier after work, including cost/hire charges of all materials, conveyance charges, re-handling charges etc. complete. or by other approved method to prevent damages by flying spalls or due to any other reason to the existing structures or public including allowance for short out-turn due to controlled blasting or restricted working space or other precautionary restrictions, including charges for providing protection using earth filled bags placed over welded mesh and planks over the area to be blasted and removal after blasting and disposal of materials at places pointed out by the depth. officers including all lead and lift etc. complete as per specifications etc. complete

Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete. (Measurements to be taken of the face area timbered).Depth not exceeding 1.5 m

Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete. (Measurements to be taken of the face area timbered).Depth exceeding 1.5 m but not exceeding 3 m

Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete. (Measurements to be taken of the face area timbered).Depth exceeding 3.00 m but not exceeding 4.50 m

Drilling holes for providing anchor /dowel bars varying in depth and diameter in rock or concrete and cleaning the holes, grouting with cement grout (CM 1:2) after fixing dowel bars including cost of all materials, labour etc. complete as per specification and drawings.

Providing anchor bars using TMT steel bend, jumped etc. including cost and conveyance of steel labour charges etc, complete as per the specifications and drawing as directed by the departmental officers.

Steel reinforcement for RCC work including straightening, cutting, bending, placing in position and binding all complete

Fabricating the given angle iron suitable for stub and cleat (GI members,bolt&nut will be supplied free of cost at site)

Rough stone/Rubble pitching dry packing to lines and levels including cost of all materials, conveyance, labour charges, etc. complete as per specifications.

Fine sand filling below tower foundation including all cost of compacting

Stub setting of 110kV DC towers:-Surveying for marking and pegging of tower locations at site as per the approved tower schedulde , stub setting in correct alignment using template of all types of 110kV DC towers in concrete foundation/ rock foundation excluding excavation, concreting and back filling but including grouting, anchoring etc in the case of rock foundation and removing the stub setting template after the expiry of the predetermined time etc. complete

Stub setting of 220kV DC towers:-Surveying for marking and pegging of tower locations at site as per the approved tower schedulde , stub setting in correct alignment using template of all types of 110kV DC towers in concrete foundation/ rock foundation excluding excavation, concreting and back filling but including grouting, anchoring etc in the case of rock foundation and removing the stub setting template after the expiry of the predetermined time etc. complete

Centering and shuttering including strutting, propping etc. and removal of form work for : Foundations, footings, bases for columns

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level: 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size). including cost and conveyance of all materials

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)(cement content 400kg/m3) including cost and conveyance of all materials.

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level 1:2:4 (1 cement :2 coarse sand : 4 graded stone aggregate 20 mm nominal size) including cost and conveyance of all materials

Cement concrete 1:21/4:33/4 mixture (Cement Content 341kg/m3) with 20 mm metal for 110 kv tower footing in accordance with the specification including the cost of cement to be supplied by the contractor at site, conveyance charges of all material to site of work , watering, curing etc. and including cost of form work, complete.

Cement concrete 1:21/4:33/4 mixture (Cement Content 341kg/m3) with 20 mm metal for 220kv tower footing in accordance with the specification including the cost of cement to be supplied by the contractor at site, conveyance charges of all building materials to site of work , watering, curing etc. and including cost of form work, complete.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming, watering & levelling etc, complete as per the directions of departmental officers at site

Filling with contractors earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming, watering & levelling etc, complete as per the directions of departmental officers at site

Drilling of holes on tower parts.

Filing of holes (Enlarging) on tower parts.

Cutting of steel angles.

Erection of tower super structure above ground level including erection of normal and special extension members wherever necessary, providing tower accessories like phase, danger and number plates, bird guards, ant climbing devices etc.

Pipe earthing excavation of earth pits of size 0.3 X 0.3 X 3.6m including over excavation on account of slopping the banks and necessary hire for planks for filling of charcoal, earthing of tower by means of a 50mm dia. 2.5m length pipe and double run 7/9 SWG galvanized steel wire or GI tape including cost of charcoal but excluding cost of pipes steel wire or GI tape with connecting lugs, nuts etc. which will be supplied at dept. Store

Counter poise earthing -Excavation for trench for burying the conductor 450mm below ground level, laying and connecting the conductor on to the tower legs back filling and consolidating the soil after laying the conductor etc. complete.

Drilling bore holes of sizes 150mm or nearest in all classes of soil including inserting 32mm dia MS rod, hire charges of plant and machinery cost of DC welding, oil ,fuel, tool etc. and taking all necessary safety precautions as per the direction of departmental officers at site.

Welding one end of the bended GI strip of size 50x6mm with the MS Rod already inserted, welding 150mm in length, 6mm thick on both sides & end of the strip and connecting other end with nuts & bolts if required as per the directions of the department officers. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes(No.E7018) cost of anti corrosive paint etc. complete.

Providing protection for the telephone cables, LT, HT and OH lines, buildings, road crossing etc. beneath the line by providing suitable scaffoldings at the time of stringing and dismantling

Rewinding of "WOLF ACSR' from dilapidated conductor drums unsuitable for transporting/paving out on to serviceable conductor drums issued departmentally including all hire charges for tools & plants necessary for rewinding

Paving out, stringing and tensioning as per standard of one 7/10 or 7/3.15 mm stranded steel earth wire including fixing the conductors on to the tower top using tension clamps and suspension clamps, jumperings the conductors at tension points, jointing the conductor wherever necessary, erection of earth bonds, hire charges of tractor and stringing tools, all hire and labour for protective trestles and providing suitable back stays at the time of stringing, etc. complete.

Paving out, stringing and tensioning as per standard of 6 line 'ACSR Kundah/Panther ' conductors including attaching insulator strings with arcing horns or rings on to the tower cross arms, clamping the conductor to the insulator strings using suspension clamps with armour rods and tension clamps, jumpering the conductors at tension points, jointing the conductors and pilot wire wherever necessary, installation of vibration dampers, hire charges of tractor and stringing tools, all hire and labour for protective trestle work, providing suitable back stays at the time of stringing, etc. complete.

Paving out, stringing and tensioning as per standard of Six line ACSR WOLF' conductors including attaching insulator strings (single tension or suspension) with arcing horns or rings on to the tower cross arms, clamping the conductor to the insulator strings using suspension clamps with armour rods and tension clamps, jumperings the conductors at tension points, jointing the conductors and pilot wire where ever necessary, installation of vibration dampers, hire charges of tractor and stringing tools, all hire and labour for protective trestle work, providing suitable back stays at the time of stringing, etc. complete.

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with cement mortar1:6 including cost and conveyance of all materials.

Dry rubble masonry for foundation and basement including cost of all materials, conveyance, labour charges, etc. complete as per specifications using contractor's rubble.

Plastering in Cement mortar 1:4 12 mm thick one coat floated hard and trowelled smooth including cost and conveyance of all materials.

Pointing on stone work with cement mortar 1:3 (1 cement : 3 fine sand) : Flush / Ruled pointing including cost and conveyance of all materials.

Lowering down the existing one 7/9 stranded steel earth wire including detaching insulator, clamps etc., sorting out of usable materials for reuse and coiling the conductors and stacking them properly in a safe place for loading the same to the vehicle etc. complete

Lowering down the existing 2 x 3 phase ACSR MINK/ Stranded Copper conductor including detaching insulator, clamps etc., sorting out of usable materials for reuse and coiling the conductors and stacking them properly in a safe place for loading the same to the vehicle etc., complete

Dismantling of tower super structure above Ground level including sorting of members and stacking them neatly for easy loading of the same to the vehicle etc., complete.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer in charge.

Transporting, taken back the balance materials to Transmission Store from various locations and handed over the same including all charges of labour etc.

Line conductor and earth conductor.

Insulators and hardwares, accessories for power conductor, accessories for earth conductor etc.

Towers, tower extensions and other structure and all other materials including earthing materials.

Marking the trees as specified with using enamel paint of approved quality and shades as specified, letters/figures of height 2.5 cm to 5 cm including all charges of labour and cost of materials etc. complete

Cutting and removing trees or branches of trees of various girths in the clearance belt of 22.00m (for 110kV) which obstruct stringing or lowering the line etc., complete and removal of rubbish up to a distance of 150m outside the periphery of the area cleared as per the directions of dept. officers.

Beyond 30 cm girth up to and including 60 cm girth

Beyond 60 cm girth up to and including 120 cm girth

Beyond 120 cm girth up to and including 240 cm girth

Above 240 cm girth

Installation of 24 Fibre (DWSM) OPGW optic fibre cable on 220/110/66kV tower, fixing of hardware set, cable fittings and accessories and installation of joint boxes and its terminations etc. Preinstallation test (drum test), post installation test, splicing and link test (End to end).

Installation of unarmoured under ground optical fibre cable (UG OFC 24 Fibre DWSM) at 110kV Substations through existing cable trench by removing concrete slab, installation of HDPE pipe etc. Pre-installation test (Drum test), Post installation test, splicing and link test (end to end) and placing back concrete slabs as good as in original condition

Installation, testing and commissioning of FODP 48 fibre and termination of UG cable

Supply of 24 Fibre (DWSM) OPGW optical fibre cable for laying through EHT tower lines up to 110kV

Supply of hardware sets for 24 Fibre OPGW OFC including cable fitting and accessories

Supply of 24 Fibre joint box

Supply of FODP (48 Fibre) indoor type with FC-PC coupling and pig tails (5meter each)

Supply of Unarmoured underground Optical Fibre Cable, 24 Fibre, DWSM

Supply of PLB HDPE pipe including all accessories for OFC UG cable

Fitting and erecting one HT 'A' type/PSC Single Pole in position, including fitting cross arm, digging and back filling pit in ordinary soil (as per standards), drawing sufficient length of GI earthing leads from F clamp through V cross arm to the ground for earthing.

Providing temporary 66kV supply arrangement by stringing of one km 66kV covered conductor with all accessories and dismantling the whole arrangement after completion of 110kV line work. (66kV cable and accessories shall be arranged by the contractor)

Aryacon Contractors and Engineers

CA SHOUKKATH

Red Star Constructions