THE CONSTRUCTION OF COVERED DRAIN WITH FILTRATION CHAMBER FROM BISWAKARMA HOUSE TO KODO DHARA WITHIN SANTOOK GRAM PANCHAYAT UNDER LAVA DEVELOPMENT BLOCK, KALIMPONG DISTRICT.(15TH CFC TIED) 2025-26

Surface dressing of the ground in any kind of soil including removing vegetation inequalities not exceeding 15 cm depth and disposal of the rubbish within a lead upto 75 m as directed.

Earthwork in excavation of foundation trenches or drains in all sorts of soils(Including mixed soils 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.

(e) Add extra for cutting in laterite/sand stone .

Laying 150 mm. to 200 mm. boulder soling including rough dressing hand packing and ramming down small pieces in the interstics including rolling and preparing the bed to proper level and filling up all joints with sandy clay or earth.

Cost of stone boulder 150 mm size delivered ans stacked at site.

Cement concrete with graded stone ballast (40 mm size) excluding shuttering.In ground floor.

Hire and labour charge for shuttering with centreing and necessary staging up to 4 m. using approved stout props and thick hard wood planks of approved thick ness with required bracing for concrete slabs, beams, columns, lintels curved or staight including fitting fixing and striking out after complection of works. (up to roof of ground floor).

Ordinary cement concrete (mix 1:1.5:3) with graded stone chips (20mm nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant codes.

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 inter-section, complete as per drawing and direction.

Plum Concrete work with 40 % Cement Concrete with 30 mm down graded stone metal and 60% stone boulder of size 150 mm and above, placed in position as directed excluding shuttering if any.

Brick work with 1st class bricks in cement mortar (1:4)

Plaster ( to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering conrners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (ground floor). [Excluding cost of chipping over concrete surface].

Neat cement punning about 1.5mm thick in wall, dado, windowsill, floor etc.NOTE:Cement 0.152 cu.m per100 sq.m.

Supplying, fitting & fixing UPVC pipes A- Type and fittings conforming to IS:13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. and cutting trenches in any soil through masoury concrete structures etc. if necessary and mending good damages including jointing with jointing materials (Spun yarn, valamoid / bitumen/M.seal etc) complete. (A) UPVC PIPES.

UPVC fitting

UPVC fitting:. bend 87.5 degree.

Supplying and filling with jhama metal(kiln burnt)50mm to 65 mm,stone chips 20mm to 40 mm,Coarse sand and Charcoal including all cost and conveyance,materials and all labour charges etc complete as per standard specifications Gravel 50mm -75mm

Gravel 20mm -40mm

Coarse Sand

Charcoal

Add 18% G.S.T.

Labour cess @1%

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