WBPWD/EE/KPG/eNIT22/19/25-26

Earthwork in cutting to form road section in correct profile including removal of spoils not exceeding initial lead of 50m and initial lift of 1.5m In mixed soil (i,e. clay mixed with kankar, pebbles, moorum etc.)

Earthwork in excavation of foundation of Structures as per drawing and technical specification including setting out removing, spreading or stacking of spoils within a lead of 150m. As directed and including trimming the sides of the trenches, levelling dressing and ramming the bottom and back filling with approved materials complete as per direction of the Engineer-in-charge. in all sorts of soil excluding marshy soil & rocks (soft or hard) by manual means. uoto 3 meter depth without pumping out water and shoring.

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. (1:3:6) proportion

Hire and labour charges for shuttering with or without staging upto 4.00 mtr using approved stout props with woooden planks / ply wood / steel plate with required bracing for any kind of plain or reinforced concrete works in all sorts of minor structure including culvet, box culvert, cross drain etc. The rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction. Where staging is not required.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mmnominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. N.B Variety

Supplying stone boulder of 150 mm of North Bengal variety.

Labour for 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.

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 and Technical specifications.

Construction of Sub Base using Local Materials: 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). For Construction of Sub Base by compacting river bed materials

Water Bound Macadam Base Course Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening / binding materials to fill up the interstices of coarse aggregate, watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). Grading-II Aggregate (53 mm to 22.4 mm) Using Stone Screening Type B (11.2 mm) Manual Means

Providing and laying Design 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 but excluding cost of labour and materials for formwork & reinforcement works. M-30 Grade Using concrete mixture

Supplying, fitting and placing un-coated HYSD bar reinforcement in Bridge Foundation including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming 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 and direction of Engineer-in-charge. by SAIL/TATA/RINL

Labour Welfare Cess @ 1%