CONSTRUCTION OF CULVERT NEAR THE HOUSE OF BHAKTAMAL LAMA AT KALCHINI GUDAM LINE UNDER KALCHINI DEVELOPENT BLOCK WITHIN ALIPURDUAR ZILLA PARISHAD

Excavation for structures Earthwork in excavation for foundation of tructures as per drawing and technical pecification including ettingout,removing,spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, levelling,dressing and ramming the bottom & backfilling with pproved materials 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) Depth upto 3 m(i) With pumping out water incl shoring as reqd.

(I) Cement concrete with graded stone ballast (40 mm size excluding shuttering)B) With N.B. Variety stone metal.

Providing and laying Design Mix M-15 concrete for Plain / Reinforced Cement Concrete in any part of foundation of bridge /culvert with graded stone chips of appropriate nominal sizes , including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone , both of approved quality and cement , as necessary , cost of curing with water ,including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in charge , cost of quality control, sampling , testing etc all complete but excluding cost of formwork and reinforcement works. A) PCC Grade M-15 With 37.5 mm size well graded shingles using concrete mixer, height upto 5m

Hire and labour charges for Shuttering with or without staging upto 4.0 m height using approved stout props with wooden planks/ ply board/ 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. a) Where staging is not required.

b)Where staging is required.

Boulder Apron Laid in Wire Crates Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 40 kg each.

Providing and laying Nominal Mix concrete for plain / reinforced concrete work in any part of bridge (excluding bottom plugging) with coarse aggregates of appropriate nominal size and grading, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, including labour, cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge and cost for quality control, sampling, testing etc. all complete including shuttering. (b) M-20 (Nominal Mix 1:1.5:3) Grade Using concrete mixer

Supplying fitting and placing HYSD bar reinforcement in bridge super-structure including initial straightening, straightening of coils bars removal of loose rust(if any) , cutting to requsite length bending, binding with annealed wire not less than 1 mm in size and conformong to IS 280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading , unloading, carriage of all steel materials complete as per drawing and technical specifications. with TATA/SAIL/RINL

Providing weep holes in brick masonry / plain/ reinforced concrete abutment, wing wall / return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards drawing face complete as per drawing & technical specification.

Earthwork in excavation from borrow pits (land owned/arranged by the Department) and depositingin layers of 250 mm. including breaking clods in embankment works and to fill up back of abutments, depressions and ruts with an initial lead up to 50 m and initial lift up to 1.5 m making bunds at top as directed dressing complete. (Borrow pit measurement)

Providing & fixing Sign Board as per IRC specification of size 1200 x 900 x 37 mm. thick made with RCC 1:1½:3 with pakur variety stone chips reinforced with double layer IRC febric (75 x 75 mm. mesh) and fixed with necessary nuts & bolts on two RC precast posts 100 mm. x 150 mm. of height 2.65 m. of which top 750 mm. is of section 100 x 13 mm. and 1.90 metre above GL & 0.75 metre below GL including digging hole, repacking the same with cement concrete 1:3:6 with jhama khoa or with local stone chips etc. complete including painting two coats on both faces lettering sign marks etc. as per direction of the Engineer-in-Charge. (The rate is inclusive of cost of reinforcement, concrete, shuttering, nuts & bolts, washer etc. complete.)

Construction of Sub Base using Local Materials, spreading in uniform layers with Motor grader on prepared surface, including screening the metal as necessary, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, lighting, guarding and barricading including cost and carriage of all materials and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).(iv) For Construction of Sub Base by compacting river bed materials.

Painting the vertical end faces of posts, wheel guards or railing or parapet with alternate bands of different colours as directed by the Engineer-in-charge with approved synthetic enamel paint.b) Two Coats

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m.