WBKP/CP/NIT-217/ Development of Courtyard, SB Office/ TEN, Dated.23.09.2026

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. (a) In ground floor including roof. (a) upto 150 mm. thick

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.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Cement concrete with graded jhama khoa (30 mm size)excluding shuttering In ground floor and foundation. (a) 1:3:6 proportion

(B) Filling in foundation or plinth by fine sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)

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.

Supplying & laying Double Wall Corrugated (with external annularcorrugation and smooth internal walls)High Density Polyethelene Pipesconforming to IS 16098 (Part-II):2013 having StiffnessCl8withRing Stiffness not less than 8.00KN/Sqm.and Impact ResistanceTIR value not more than 10% including necessary jointing materials fonon-pressure underground Drainage, Sewerage & Cross drainage application. (ii) 200mm internal dia.

(iv) 300mm internal dia.

Constructing Inspection pit of inside measurement 600mm X 600mm Xupto 600mm (depth) with 250 mm thick 1st. class brick work in cementmortar (1:4) on all sides, bottom of the pit consisting of 100 mm thickcement concrete (1:3:6) with stone chips over a layer of jhama brickflat soling,15 mm thick (1:4) cement plaster to inside walls and out-sidewalls upto G.L. and 20 mm.thick (1:4) plaster to bottom of the pit,providing necessary invert with cement concrete (1:3:6) with stone chips as per direction, neat cement finishing to entire internal surfaces, top of the pit covered with 100 mm thick R.C.C. slab (1:1.5:3) with stone chips and necessary reinforcements upto 1% and shuttering including 6mm thick cement plaster (1:4) in all external surfaces of the slab and one 560 mm dia. R.C.C. manhole cover of approved make supplied, fitted and fixed in the slab with necessary fittings, necessary earthwork in excavation in all sorts of soil, filling sides of the pit with earth and removing spoils after work complete in all respect with all costs of labour and materials. i) With Pakur variety.