CONSTRUCTION OF NEW OFFICE BUILDING FOR TRICHY RRO

EARTHWORK EXCAVATION — Excavation for foundation upto required depth below ground level in any type of soil except hard rock . Rate to include dressing the sides and bottom, bailing out of water if encountered, shoring, strutting, etc . The measurement of the excavation would be based on actual depth of excavation with applicable rate for different depths.UPTO 3.5 M

Refilling — Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 and for all lift.

Earth Filling — Supplying & Filling with earth (excluding rock) in trenches or embankment in layers (each layer should not exceed 15 cm), with intermediate layer of compacted earth (Soil density of 98%) after every four layers of compacted depth of fly ash, sides & top layer of filling shall be done with earth having total minimum compacted thickness 30 cm or as decided by Engineer -in-charge, including compacting each layer by rolling/ ramming and watering, all complete as per drawing and direction of Engineer -in - charge.

Anti- termite treatment — "Along the external wall below concrete or masonry apron using chemical emulsion @ 2.25 litres per linear metre including drilling and plugging holes etc.:2.35.2.1 With Chlorpyriphos/ Lindane E.C. 20% with 1% concentration"

Anti- termite treatment — Treatment of soil under existing floors using chemical emulsion @ one litre per hole, 300 mm apart including drilling 12 mm diameter holes and plugging with cement mortar 1 :2 (1 cement : 2 Coarse sand) to match the existing floor: 2.35.3.1 With Chlorpyriphos/Lindane E.C. 20% with 1% concentration

PLAIN CEMENT CONCRETE — Providing and laying in position plain cement concrete (P.C.C) of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

REINFORCED CEMENT — "DESIGN MIX CONCRETE:For all works above plinth level: Concrete of M25 grade5.33 Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland/Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads;inccluding the cost of centering, shuttering, finishing and excluding reinforcement as per direction of the engineer-in- charge; for the following grades of concrete.Note:no extras payable"

REINFORCED CEMENT — "DESIGN MIX CONCRETE:For all works above plinth level: Concrete of M35 grade5.33 Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland/Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads;inccluding the cost of centering, shuttering, finishing and excluding reinforcement as per direction of the engineer-in- charge; for the following grades of concrete.Note: No extras payable"

Form work — Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, etc. for mass concrete

Form work — Centering and shuttering including strutting, propping etc. and removal of form for Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.