Civil and Electrical work in 220kV Tower line

Earth work in bulk excavation by mechanical means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m, as directed by Engineer-in-Charge All kinds of soil:

Extra for every additional lift of 1.5m or part thereof in Excavation/Banking excavated or staxcked material All kinds of soils

Clearance of site of all the materials of existing/ damaged uprooted foundations of the towers including all required excavation of earth, this is also inclusive of removing of all “concrete work in the form stubs/tower legs, base rafts with included earth work by mechanical means/dewatering” what so ever gets involved and preparing the site for piling. The item is inclusive of disposal of the dismantled/excavated concrete and the close timbering operation if required. The material disposal is to be done in a way as not to invite any controversy. Any serviceable dismantled material is to be returned to the divisional stores as per the directions of the engineer in charge. However the back filling charges are included seperately

Boring, providing and installing bored cast in situ reinforced cement concrete pile of specified grade, concrete mix diameter and length below the pile cap in M-35 cement concrete, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with casing and / or bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. all complete including removal of excavated earth with lifts and leads (length of pile for payment shall be measured from top of shoe to the bottom of pile cap) 600 mm dia pile of varying length(from 8-15m) by percussion drilling using(DMC) or bailer and chisel technique by tripod and mechanical winch machine all complete.

Vertical load testing of piles in accordance with SI-2911(PART-IV) including installation of loading platform By Kent ledge/anchor pile method and preparation of pile head or construction of test cap and dismantling of test cap after test etc. Complete as per specifications and the direction of engineer in charge. Routine test (test load 1.5 times the safe capacity) Vertical load testing of piles

Dismantling of RCC work manually/by mechanical means including staking of steel bars and disposal of unserviceable items within 50 mtrs lead as per direction of engineer in charge for breaking of pile heads

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers (each layer should not exceed 15cm)with intermediate layer of compacted earth (soil density 98%) consolidating each deposited layer by ramming and watering, as per the direction of engineer in charge

Supplying and filling in trenches with fine sand under floors including, watering, ramming, consolidating and dressing complete Supply of sand for meeting the requirement as in item no. 6, 25% only (The quantity is 25% of 986 .90cum or overall clearance done)

Providing and laying stone soling layer under pile caps as per direction of engineer in charge

Providing and laying in position specified grade of cement concrete excluding the cost of centering, shuttering finishing and reinforcement M-10

Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centering, shuttering finishing and reinforcement M-25 in pile caps, grade beams & open raft foundations.

Add extra cement @70kgs/cum for design mix For concrete wide item- “11”

Steel reinforcement for RCC work including straightening, cutting, bending ,placing in position and binding all complete upto plinth level ( Thermo mevhanicaaly treated bars of Grade FE -500D or more

Cantering & shuttering including strutting and propping etc. And removal of forms for RCC work as in item "8” desired height in foundation, foundation beams, plinth beams, lintel beams, all types of suspended floors, soffits of beams ribs, stepped, spiral staircases etc. up to desired heights and thickness complete

PROVIDING & INSTALLING of PERMANENT 600 MM DIA LINER, 6mm thick iron sheet (INCLUSIVE OF COST OF LINER & FABRICATION) Complete job

Tower Spotting, Pit marking including check of alignment as per profile

Stub setting using proper template as per approved design including its Transportation

Providing of HOT DIP Galvanised Stubs (HT) With cleats Nuts & Bolts as per approved drawings.

Fabrication, galvanishing & supply of various type of towers, tower body/leg extensions (complete) as per IS mentioned in SBD

HT Steel

Mild steel

Supply of galvanized Hexagonal bolts & nuts for towers including step bolts and spring washers

Danger Plates

Number Plates

Phase-Plates (set of three)

Circuit Plates (Set Of Two)

Anti-climbing Device

Bird Guards

Supply of ACSR Zebra

Single suspension fitting including Pilot String

Single Tension fitting

Double tension fitting

Double Suspension fitting

Midspan compression joint for Conductor

Repair sleeves for conductor

Vibration Damper for Conductor

Procelain Insulators (120 kN)

Procelain Insulators (70 kN)

Erection of Tower Super Structure with nuts and Bolts including transportation to site.

Danger Plates

Number Plates

Circuit Plates (Set Of Two)

Phase-Plates (set of three)

Anti-climbing Device

Bird Guards

Laying and Steringing of ACSR ZEBRA conductor including installation of insulator Strings, hardware fittings,arching horns,vibration dampers and other accessories including transportation to site including temporary anchoring of towers.

Carrying out Tag Welding of bolts ( First two stories) Application of Zinc Rich Paint including carraige of welding equipments