CONSTRUCTION OF CONCRETE ROAD

Controlled Cement concrete with well graded stone chips (20 mm graded nominal size) excluding shuttering and reinforcement with complete design of concrete as per IS :456 and relevant special publications, submission of job mix formula after preliminary mix design after testing of concrete cubes as per direction of Engineer-in-charge. Consumption of cement will not be less than 300 Kg of cement with Super plasticiser per cubic meter of controlled concrete but actual consumption will be determined on the basis of preliminary test and job mix formula. In ground floor and foundation. [using concrete mixture] (i) Pakur Variety (b) M 20 Grade 20 mm Nominal Size – 0.54 cu.m. 10 mm Nominal Size – 0.36 cu.m. [Vol-I, Page-B60, Sl- 2]

Construction of Sub - Base using Local Materials spreading in uniform layers with motor grader on prepered 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 ( 5-th Revision ). (I) For Construction of Sub - Base by compacting 1-st Class Brick aggregates ( 40 mm down ) and Sand ( In Proportation 60:40 ). [Page-247.Sl No. 4.09]

Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches. [Page-47.Sl No.3]

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 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.(b) Where staging is not required. [Page-332.Sl No.18.05(b)]

Concrete Drainage Work

Providing & fixing Concrete Sign Board as per IRC specification of size 900 x 750 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 etccomplete.) [P-270, It :-8.07]

Contingency