Tender For Rellie-Bridge Base Protection At 7.10Km Of 12Th Mile To Nimbong Fatak Road Under Kalimpongdivisio ... in India

Work Detail

Tender For Rellie-Bridge Base Protection at 7.10km of 12th mile to Nimbong Fatak Road Under KalimpongDivision - P.W.D.-- 1 Excavation for StructuresEarth work 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 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material 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) upto 3 m depth(i) With pumping out water including shoring as required. 2 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. Without Rolling but Including Ramming NB. -- This rate only for Northern Circle, NBCC-I & NBCC-II 3 Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mmnominal size) excluding shuttering and reinforcement,if any, in ground floor (b) River bazree 4 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) (When the height of a particular floor is more than 4 m the equivalent floor height shall be taken as 4 m and extra for works beyond the initial 4 m ht. shall be allowed under 12 (e) for every 4 m or part thereof) (c) Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work 5 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. 6 Filling properly the empty sausage crates with boulders of any size & shape with hand packing after preparation of bed ofplacement, placing the crate in position, carriage of boulders from road stacks with a lead upto 150m etc. complete in all respect including stitching the rest of the crate with wire (passage for filling boulders) after filling up the crate with boulders and launching the crate in position if necessary and as directed by the Engineer-in charge. [Rate provided is exclusive of the cost of stone boulders and sausage crate. 7 Weaving wire mattress as directed with wire of 4mm dia. and making sausage crate of required shape after tying all intersections including joining longitudinal ends, closing ends of sausage, carriage of wire to site of work complete in all respect as per direction of the Engineer-in-charge including cost of supply of G.I. wire. (With 100mm x 100mm mesh.) 8 Providing and laying boulders apron on river bed for protection against scour with stone boulders weighing not less than 40 kg each complete as per drawing and Technical specification. Boulder Laid Dry Without Wire Crates.Construction wing is to add cost and carriage of 1.00 cum. of stone with minimum size of 200 mm & 0.20 cum of stone spalls only to arrive at consolidated rate. Bouder Pitching

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