Drainage Works Tenders

Laying at or near ground level old kerb stones of all types in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement : 3 coarse sand), including making joints with or without grooves (thickness of joints, except at sharp curve, shall not be more than 5 mm), including making drainage opening wherever required etc. complete as per direction of Engineer-in-charge. (Length of finished kerb edging shall be measured for payment). (Old kerb stones shall be supplied by the department free of cost)

Drainage Spouts complete as per drawing no. SD/205 and MoRT&H MoRT&H specification clause 2705 with 6 meter long GI 100 mm dia drainage GI light grade pipe (For Bridges)

Laying at or near ground level old kerb stones of all types in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement : 3 coarse sand), including making joints with or without grooves (thickness of joints, except at sharp curve, shall not be more than 5 mm), including making drainage opening wherever required etc. complete as per direction of Engineer -in-charge. (Length of finished kerb edging shall be measured for payment). (Old kerb stones shall be supplied by the department free of cost).

Providing 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 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge).

Making bell mouth opening/ entrance of size 100x50x50 cm for drainage pipe under footpath, including providing cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) for shape of bell mouth, including plastering providing and fixing precast R.C.C./ S.F.R.C. slab including plastering with cement mortar 1:3 (1 cement : 3 fine sand) of 6 mm thickness on exposed surface of the slab & bell mouth including centring, shuttering & neat cement punning inside the bell mouth etc. all complete.

Diverting drain water/effluent from existing drain by excavating trench/providing RCC pipes of required size/by pumping arrangements for the purpose of construction of new drain at the alignment of existing drain and refilling the trenches, if excavated, with available excavated materials, without clot, by mechanical/manual means in layers not exceeding 20 cm in depth, proper watering and leveling with proper compaction etc. all complete and as per direction of Engineer-in-Charge. The excavated material received from trenches for diversion drain shall be dumped on nearby available space and same will be used for refilling after fulfilling requirement of diversion. (Nothing extra will be paid on any account including size and capacity of diversion drain/lead and lift for excavation/excavated material, size of temporary drainage pipes, capacity of pumps deployed or for any other reason whatsoever). For the purpose of measurement, length of existing drain whose water is to be diverted will be measured. For existing drain width