Construction of Security Cabin and Allied Work at Entrance Gate in South and North Zone, DNH.

EXCAVATION upto 1.50 Metre for foundation such as footing, pedestals, walls, drains, columns, ramps, plinth beams, cable trenches in Loose or Soft soil MECHANICALLY but other than hard rock including shoring, strutting, sorting out and stacking useful material, dewatering where required, cutting vegetation up to 1.5m ht if required and disposing off the excavated stuff upto all lead and lift. Note- All types of soil that can be removed by JCB/ Poclain bucket shall be classified under this item.

EXCAVATION 1.50 to 3.00 Metre for foundation such as footing, pedestals, walls, drains, columns, ramps, plinth beams, cable trenches in Hard Murrum MECHANICALLY but other than hard rock including shoring, strutting, sorting out and stacking useful material, dewatering where required, and disposing off the excavated stuff upto all lead and lift.

FILLING with selected & approved available excavated earth (excluding rock) in excavated pits, trenches, in plinth, sub-base for of roads, drains, manhole, sumps, or where required with approved locally available materials including spreading in layers not exceeding 200mm, watering, ramming, compacting mechanically using 2 ton compactor etc, complete. Measurements for net volume of space occupied by filling. If desired by the engineer-in-charge the contractor shall at his own expense carry out modified proctor compaction test to determine the maximum dry density. The criteria for accePTance of filling shall be compacting to 95% modified Proctor density with use of mechanical roller/rammer etc complete as directed and instructed by Engineer-in-charge. Volume of material filled to be measured for payment.

FILLING with selected & approved Murrum material brought by Contractor from outside client's premises, including Identification of Borrow pits and including Royalty charges & or duties as per requirement of local authority, in foundations, excavated pits, trenches, in plinth, sub-base for of roads, drains, manhole, sumps, or where required with approved locally available materials including spreading in layers not exceeding 200mm, watering, ramming, compacting mechanically using 2 ton compactor etc, complete. Measurements for net volume of space occupied by filling. If desired by the engineer-in-charge the contractor shall at his own expense carry out modified proctor compaction test to determine the maximum dry density. The criteria for accePTance of filling shall be compacting to 95% modified Proctor density with use of mechanical roller/rammer etc complete as directed and instructed by Engineer-in-charge. Volume of material filled to be measured for payment.

Providing and laying RUBBLE SOLING wherever required in foundation and plinth including hand packing fillings interstices with chips and sand. Watering and compacting to consolidated thickness, etc complete as directed by engineer-in-charge

Carring out plinth treatment to post construction / existing structure by spraying chemical solution for termite control treatmentincluding labour and material consistment with I.S.I specification.Using Chlordene and Chiorpurfiles 20 EC. As Per 6131_paret-II Consentration Weight one percent is recommended i.e one litre 20 EC chemical emulsion with 19 liter give 1 % concrentration inclusive of one litre chemical emulsion appication at the rate of 5 Litre chemical / Sqm of surface is recommended as per I.S. treated Plinth area of structure to be measured for payment as directed by engineer-in-charge

Providing and laying PLAIN CEMENT CONCRETE 1:2:4 (1- Cement : 2- Coarse sand : 4- graded stone aggregates 20 mm nominal size) in foundations and superstructure including, machine mixing, leveling compacting, curing and formwork if any, scaffolding, staging etc. complete as directed and instructed by Engineer-in-Charge. Volume of PCC laid to be measured for payment.

Providing material and labour for laying machine mixed/machine batched/RMC controlled cement concrete M.250 using graded black trap stone aggregates of maximum 20mm nominal (down graded) size including fine aggregate confirming to IS 383 with minimum cement content as per IS456 (without flyash) for durability shall be followed as per approved design mix & latest IS456 for reinforced cement conrete work for all elements,all floors,all heights/depths, any lead and lift including cost of formwork with sheathing steel or form finish ply shuttering , scaffolding, staging, vibrating, compacting, finishing and curing complete but excluding cost of reinforcement for reinforced concrete work in Foundations, footings, Base of columns and Mass concrete, as directions of Engineer in charge Complete.

Providing material and labour for laying machine mixed/machine batched/RMC controlled cement concrete M.250 using graded black trap stone aggregates of maximum 20mm nominal (down graded) size including fine aggregate confirming to IS 383 with minimum cement content as per IS456 (without flyash) for durability shall be followed as per approved design mix & latest IS456 for reinforced cement conrete work for all elements,all floors,all heights/depths, any lead and lift including cost of formwork with sheathing steel or form finish ply shuttering , scaffolding, staging, vibrating, compacting, finishing and curing complete but excluding cost of reinforcement for reinforced concrete work in Columns, Pillars posts and struts etc complete as directed by Engineer-incharge.

Providing material and labour for laying machine mixed/machine batched/RMC controlled cement concrete M.250 using graded black trap stone aggregates of maximum 20mm nominal (down graded) size including fine aggregate confirming to IS 383 with minimum cement content as per IS456 (without flyash) for durability shall be followed as per approved design mix & latest IS456 for reinforced cement conrete work for all elements,all floors,all heights/depths, any lead and lift including cost of formwork with sheathing steel or form finish ply shuttering , scaffolding, staging, vibrating, compacting, finishing and curing complete but excluding cost of reinforcement for reinforced concrete work in Lintels, Beams, Girders and Cantilever etc complete as directed by Engineer-incharge.