Construction of pile foundation at tower Location Number 174 of 400 KV D/C Ranganadi-BNC line

Boring, providing and installing of bored Cast-in-situ RCC vertical piles of specified diameter and of any length below the pile cap with M25 grade of cement concretee, excluding the cost of reinforcement steel but including the cost of boring with temporary Guide casing,bentonite solution and the length of pile to be embrded in the pile cap ( length of pile for payment shall be measured from bottom of pile cap), all neceaasry labour, materials, plants, tools & tackles etc. complete, as necessary for proper execution of the job(Boring in weathered rock,shell,fissured rock and soft rock excluded).1200 mm diameter RCC vertical bored pile up to 40 m from bottom of pile cap.

Extra over item 1.1 for boring including socketing anchoring (if required)with required size,nos & depth of Reinforcement in weathered rock, shale, fissured rock soft rock and hardrock upto a maximum depth of 5.0m.

Excavation where ever required for pile cap/tie etc. (other than boring) for all depth and size,in all types of soils including disposal of excavated materials for all lifts and leads, decent etc.as directed by Engineer-In- Charge together with all labour, tools & tackles, sheeting, sheet piling, dewatering etc. complete as required for proper execution of the job.

Back filling with available excavated earth for all leads and lifts in sides of foundations and other under ground facilities in horizontal layers not exceeding 20 cm. in depth consolidating each deposited layer by ramming and watering etc. as per specification and instruction of Engineer- in-charge.

Form work for placing plain or reinforced cement concrete of any type including blockout and section at any. Evationhoring,shuttering,strutting,propping, scaffolding,tieing,nailing,including all labour,materials, equipments, waste for form,caulking,dismentling & removal of forms etc. complete.

Supply and placing of steel re-inforcement of specified grade for R.C.C work in pile, pilecap,pedestal/chimney, tie beam (if required) including cost of all labours, materials, straightening,cleaning,cutting,bending, binding etc. all complete as per construction drawing and as per instruction of Engineer-in-charge.

Providing and laying in position M25 Grade reinforced cement concrete for pile caps, pedestal/chimney and tiebeam (if required), excluding reinforcement steel and form work but including cement, all necessary tools and tackles, labour, materials, equipments for handling,transportation, batching, mixing, placing, vibrating, dewatering, curing etc. all complete as per specification and as per instruction of Engineer-in-charge (excluding cost of concrete in piles which is included in boring of cast in situ RCC vertical piles in the relevent line items).

Providing and laying plain cementconcrete 1:4:8 (1 cement : 4 coarsesand : 8 graded stone aggregate 40 mm common size) including cement, all necessary tools and tackles, labours,materials, equipments. For handling,transportation,mixing, placing,vibrating,dewatering etc.all complete as per specification.

Conducting standard penetration test (SPT) at various elevation in pile bore holes in all kind of soils including all labour,materials, tools and tackles, equipments etc required for successful completion of the job.

Supply and providing M.S. liner of 6 mm thick in piles upto 10 m depth (max) from bottom of pile cap,limited to the approved drawing, including supply,straightening,bending,welding all supports, labours, tools and tackles,plants & equipments, withprimer and painting etc (complete ) as required for successful completion of job.

Conducting integrity test on pile using electronic control unit, hand heldhammer, accelerometer, computer with required software to assess as installed pile characterestics including mobilisation of necessary manpower, equipments, materials etc required for successful completion of the job.

Installation of earthing materials for tower in river crossing