tender for 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. , 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. (a) m-20 grade , hire and labour charges for shuttering with or without staging upto 4.0 m height using approved stout props with wooden planks/ply wood/steel sheet plate with required bracing for any kind ofplain or reinforced concrete works in all sorts of minor structure including culvert, box culvert, crossdrain etc. the rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction. (b) where staging is not required. , providing & fixing concrete sign board as per irc specification of size 900 x 750 x 37 mm. thick made with reinforced cement concrete 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. , cess