tender for various work in school manhole chamber-excavation for foundation in earth, soil of all types, sand, gravel and soft murum, including removing the excavated material up to a distance of 50 m. beyond the building area and stacking and spreading as directed, dewatering, preparing the bed for the foundation and necessary back filling, ramming, watering including shoring and strutting etc. complete. ( lift upto 1.5 m. ) -manual means , dismantling of cement concrete pavement by mechanical means using pneumatic tools, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately etc. , transportation of material obtained from excavation including soil, rubble, bricks, rcc concrete, kerb stones, steel railing, iron pipes, channels etc. , construction of granular sub-base by providing close graded material, mixing in a mechanical mix plant at omc, carriage of mixed material to work site, spreading in uniform layers with motor grader / paver on prepared surface and compacting with vibratory roller to achieve the desired density, complete as per clause 401 -- plant mix method and grading - i material , . providing and laying in-situ m30 grade unreinforced plain cement concrete pavement, rough shahabad stone flooring 25mm to 30mm thick in plain / diamond pattern , providing and applying water proofing treatment using acrylic polymer , ( providing second class burnt brick masonry in superstructure ) , providing water proof bedding for flooring of bath and wc 25 mm m, internal cement plaster 12mm thick in single coat , rough cast cement plaster externally in two coats , ceramic tiles of having size 30 cm x 30 cm , ceramic tiles of having size 30 cm. x 30 cm. , pearl / luster finish paint o the existing plaster surface , two coats of exterior weather shield paint , orissa type white glazed earthenware 575 mm water closet pan , water bound distemper , machine cut machine polished kota stone flooring 25mm to 30mm thick in plain / diamond pattern , doors and window frame with country non teak wood , black board paint , solid core flush door shutter commercial in single leaf 32 mm , basic test of bricks , bricks water absorption ( set of 5 bricks ) , compressive strength ( set of 5 bricks ) , efflorescence ( set of 5 bricks ) . , basic test of cement , standard consistency fineness, specific gravity, setting time ( initial & final ) , compressive strength, soundness , test of concrete , compressive strength of c.c. cube ( set of 3 cubes ) .