Drainage Works Tenders

SANITARY AND DRAINAGE WORKS (B)-(IV)INSPECTION PIT,SEPTIC TANK,SOAK PIT ETC.8.Supplying, fitting and fixing in position reinforced cement polymer concrete manhole /gully pit cover with matching frame.As per I.S-12592(M.D) (ii) 25 MT load bearing capacity round manhole cover provided with two lifter hooks fitted with matching frame of size Cover: 680 mm X 90 mm Frame: 800 mm X 16.5 mm opening: 500mm Weight: 196 kg (approx)

CROSS DRAINAGE WORKS Earthwork in excavation for foundation of structures upto 3 m depth as per drawing and technical specification Clause 1104 includding setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.

Supply and fixing in repair sink with drainage board made of stain less steel 1mm thick with plugs, washers and wastes pipe including bedding in cement mortar to dwarf wall or including fixing cantilever brackets of angle iron 50x50x6mm including two coats of synthetic enamel paint over coat of primer and connecting union to pipe over all minimum size 915mm x460mm bowel size 410mm x 330mm x160mm complete all as specified.

S & F in replacement kitchen sink with drainage board made of stainless steel 1mm thick kitchen or laboratory with plugs, washers and wastes including bedding in cement mortar to dwarf wall or including fixing cantilever brackets and connecting union to pipe overall size 915mmx460mm bowel size 410mm x330mm x 160mm, complete all as specified and directed.

4.1.B.1 Construction of granular sub-base by providing graded material, spreading in uniform layers with a motor grader on a prepared surface, mixing by mix in-place method with rotavator at OMC, and compacting with a vibratory roller to achieve the desired density, complete as per clause 401. Grading-V - For sub-base cum drainage layer - Mix in Place Method

Material and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 includinguding making joints with or without groovesv (thickness of joints except at sharp curve shall not to more than 5 mm), includinguding making drainage opening wherever required complete all as specified and as directed by Engineer-in-Charge.