WBIW/CTU/CE(SW) /e-NIT- 01 (e)/ 2026-27 SL 01

Excavation for Structures 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 material 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) With pumping out water including shoring as required.

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.

Hire and labour charges for Shuttering with or without staging upto 4.0 m height using approved stout props with wooden planks/ply wood/steel sheet plate with required bracing for any kind of plain or reinforced concrete works in all sorts of minor structure including culvert, box culvert, cross drain etc. The rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction. (b) Where staging is not required.

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. Silver sand Note: 1. Labour rate per m³ is provided; Cost of sand is to be added to arrive at the complete item rate.2. Compaction factor of dry clean sand is 0.835.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety

Plain / Reinforced Cement Concrete in Open foundation with or without Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. a) Pakur Variety Note:1) For thin concrete members upto a thickness of 65mm involving shuttering and scaffolding rate of concrete enhanced by 150% of rate by volume (Cost of shuttering & reinforcement excluded). 2) For tall structure like overhead reservoir on R.C .frame, the ground floor equivalent height shall be taken as 4m. Every 4m or part there of above 4 m shall be taken as each additional floor for purpose of this item. 3) For item nos. 4(a), 5(i), 6(i), 7(i), 8, 9, 10(i), 12 to 21of subhead B construction wings to add cost & carriage (including loading & unloading) of Coarse Aggregate only to arrive at consolidated rate)

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. (a) For works in foundation, basement and upto roof of ground floor/upto 4 m (i) Tor steel/Mild Steel JSN/JSPL/SHYAM/SRMB/BMASL/ELECTROSTEEL/SSL

Supplying and laying inverted filter in canal bed, canal slope, weep holes, block pitching etc. as per drawing including preparation of Sub grade etc. complete as per direction of the Engineer-in-charge. Note:Construction wing has to add cost and carriage of all materials, required as per drawing, to site following latest PWD schedule of Rates to arrive at the complete rate.

Providing and laying pre-cast brick block pitching of required size (53 Cm. x 53 Cm, x 25 Cm. or as directed by the Engineer-in-charge ) with 1st class kiln burnt bricks in cement mortar including flush pointing on all faces except exposed face which to be plastered with 19 m.m. thick cement plaster , curing, dressing, ramming & preparing subgrade in slopes & bed complete with necessary earth work not exceeding 300 mm in depth with all leads & lifts including cost of all materials/ blocks up to site by all means of transport. The gap between adjacent blocks will not be more than 10 m.m. (Sand, cement mortar mix for making blocks, pointing & plastering is1:4)

Supplying & laying of bi-axial extruded high modulus polypropylene geogrid coforming to MORTH SPECIFICATION for base/sub-base reinforcement having minimum tensile strength 15kN/m in the longitudinal and transverse direction, with 5kN/m and 7kN/m tensile strength at 2% and 5% strain respectively in the longitudinal and transverse direction, junction efficiency not less than 95% and with 38mm X 38mm mesh opening