Chittaranjan Seva Sadan Collage of Obs,Gynac and Child Health- Land devolopment and repairing of pavement at CSS, COGCH , Kolkata during the year 2026-27.

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.

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

Constructing Inspection pit of inside measurement 600mm X 600mmX upto 600mm(depth) with 250 mm thick 1st. class brick work in cement mortar (1:4) on all sides,bottom of the pit consisting of 100 mm thick cement concrete (1:3:6) with stone chipsover a layer of jhama brick flat soling, 15 mm thick (1:4) cement plaster to insidewalls and out-side walls 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 perdirection, neat cement finishing to entire internal surfaces, top of the pit covered with100 mm thick R.C.C. slab (1:1.5:3) with stone chips and necessary reinforcementsupto 1% and shuttering including 6 mm thick cement plaster (1:4) in all externalsurfaces of the slab and one 560 mm dia. R.C.C. manhole cover of approved makesupplied, fitted and fixed in the slab with necessary fittings, necessary earthwork inexcavation in all sorts of soil, filling sides of the pit with earth and removing spoilsafter work complete in all respect with all costs of labour and materials . i) With Pakur variety. (SAIL/TATA/RINL

Supplying, fitting and fixing in position reinforced cement polymer concrete manhole /gully pit cover with matching frame.As per I.S-12592(M.D) (vi) 5 MT load bearing capacity round manhole cover provided with two lifter hooks fitted with matching frame of size Cover: 565 mm X 65 mm Frame: 665 mm X 125 mm opening: 470mm Weight: 90 kg (approx)

Supplying & laying Double Wall Corrugated (with external annular corrugation and smooth internal walls) High Density Polyethelene Pipes conforming to IS 16098 (Part-II):2013 having Stiffness Class of SN 8 withRing Stiffness not less than 8.00 KN/Sqm. and Impact Resistance TIRvalue not more than 10% including necessary jointing materials for non pressureunderground Drainage, Sewerage & Crossdrainageapplication (iv) 300mm internal dia.

c) Supplying and laying in the specific pattern Inter Locking Concrete Block Pavements (KBP) with concrete blocks… and fitting up of the edge gap. 60 mm thick. ii) Colour Decorative.

Removal of rubbish,earth etc. from the workingsite and disposal of the same beyond thecompound, in conformity with the Municipal /Corporation Rules for such disposal, loading intotruck and cleaning the site in all respect as per direction of Engineer in charge