WBIW/EE/KCDIV/eNIT-17e/25-26 Sl No-01

Cutting uprooting and clearing jungles including shrubs, water weeds, bushes, trees, plants, upto 30 cm. girth including removing as directed by Engineer-in-charge.

Labour charges for collecting loose scattered laterite and stone boulders from slope, bed or apron and stacking the same above ground level within a lead of 100 metre and all lifts as per direction of theEngineer - in-charge.

Relaying displaced stone or laterite boulder pitching including dressing, preparing bed with necessary earthwork upto 30 cm depth complete with cost of collection of boulder within a lead of 30 metre

Caulking joints of laterite / stone boulder or Brick pitching with cement mortar 1:4 and flush pointing as per direction of the Engineer-in-charge. Stone / laterite boulder pitching

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

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.

Precast cement concrete blocks or lining units as per designed section and specifications, in nominal mix proportion 1:1.5:3 (corresponding to M20 Grade) with well graded 20mm down stone metal aggregate, including dressing, ramming, shuttering, finishing the surface by trowel without adding any additional cement and sand mortar, curing, transporting and lying the blocks or lining units at worksite in position over sand cushion filter layer, with cold (paper) joints between the adjacent units, having gap varying from 0 to 5mm as tolerance, with all leads and lifts, including supply and carriage of all materials complete. (The rate is exclusive of the cost of stone aggregate and its carriage upto site. Construction wing has to add the cost of same from the SoR of PW (Roads) to derive the consolidated rate. Consumption chart of the USOR may be used for assessing the quantity of coarse aggregates per cum of concrete). Stone aggregates of Pakur or Rajmahal or broken stone of North Bengal varieties. Note: Provisions of the latest Departmental Manual for Lining in Irrigation Canals are to be followed, wherever applicable.

Earthwork in excavation in the canals / drainage channels / borrow pits / River bed / slope of bank as noted below as per designed section & throwing the spoils in layers of 25 cm. for making banks as per profile or to deposit the same in any other place within an initial lead of 30 metre and initial lift of 1.5 metre including breaking clods, rough dressing etc. complete as per direction of the Engineer-in-charge. (a) Ordinary soil / local soil / soil mixed with moorum or kankar / silt, dry or moist / slushy silt / sticky soil.

Extra rate over Item Nos.1.01, 1.02 & 1.03 for all kinds of soil for every additional lift of 1.50 metre or part thereof beyond the initial lift of 1.50 metre. 1 extra lift

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) (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

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

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) (a) With earth obtained from excavation of foundation.