WBIW/SE/CE(S)/NIT-05e/2025-26, SL 04

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved aterial complete as per direction of the Engineer-in-Charge I. In all sorts of soil excluding marshy soil & rocks(soft or hard) by manual means. a) upto 3 m depth (i) Without pumping out water and shoring

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification. A) Granular material Using brick bats and fine sand (Grading Zone III as per IS:383:1970) in proportion 60:40

Providing Bored Cast-in-situ R.C.C. pile in position as per specifications in all kinds of soil including cost of boring using drilling mud to stabilize the bore and flushing the bore of excess mud with freshly prepared drilling fluid by using pumps prior to placing concrete by tremie pipe in one continuous operation and including the cost of all materials and labour for placing of concrete and also including the cost of mobilization and hire charges of all equipment necessary for boring, welding of reinforcement cage as necessary and lowering of reinforcement cage, preparation and placing of concrete, including the cost of concrete but excluding the cost of reinforcement and labour for bending binding etc. complete as per Drawing and Technical Specifications and removal of excavated earth with all lifts and lead upto 1000 m. Work to be executed as per IS: 2911 (Part II Sec 2). Note - 1. The Rate of providing the temporary steel casing upto 3m depth is included. 2. This rate is inclusive of cost of concrete for the length of pile above cut off level (dammy length) and cost of dismantility the same. (b) Using tripod, winchesiv) Pile diameter - 1000 mm. Concrete Grade M35 Cement: OPC43

Providing MS casing pipe around RCC cast-in-situ bored piles of different diameters in position including cost of all materials, fabrication, handling etc. complete as per direction of Engineer-in Charge Steel plates : (E 250 conforms to IS:2062-2006) (a) 6 – 10 mm.

(a) Depth upto 1.5 m

(b) For additional depth beyond 1.5 m. and upto 3.00 m

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (f) 25 mm to 30 mm shuttering without staging in foundation

Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches.

Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm.including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-charge. Using : Fine Sand {Grading Zone III as per IS:383-1970} Note: Compaction factor of dry clean sand is 0.835