REPAIR AND CLEANING OF SEWAGE LINE, MANHOLES, SEPTIC TANKS ETC AT DOMESTIC AREA AT AF STN KUMBHIRGRAM

Material and labour for cleaning of sewage line of any size including manholes by rodding with split bamboo duly winded with jute to ensure easy flow from manhole to manhole or gully trap to manhole or manhole to septic tank etc. including well flushing with water after cleaning and taking off manhole cover and recovering including depositing the sluge in excavated pits (required size and depth) to a distance n.exc. 50 meter from the manholes. Top layers of excavated pit shall be covered by sprinkling bleaching powder @ 200gms/sqm for disinfection purpose complete all as specified and directed. Note : Quoted rates shall be inclusive for excavating of pit and cost of bleaching powder.

Material and labour for taking out of deposited sludge and water from septic tank mechanically using sewage pump and removing night soil/sludge to a distance n.exc. 50m depositing in freshly excavated trenches /pit / bins and covering the deposited sludge with excavated earth including spreading of bleaching powder @ 200gms/sqm over deposited sludge upto 1 m from the edge of excavated pit before earth spreading and removal of surplus earth to a distance n.exc. 50 meter and depositing where directed including cleaning with water all as specified and directed. Note:- (a) Only volume of sludge to be measured for payement. (b) Quoted rates shall be inclusive for excavating of pit and cost of bleaching powder.

Material and labour for taking out of deposited sludge mechanically using sewage pump and water from manhole rectangular/ square or circular in plan exc 0.80m but n.exc 1.5m & in any depth and removing night soil / sludge to a distance n.exc. 50m depositing in freshly excavated trenches / pit / bins and covering the deposited sludge with excavated earth including spreading of bleaching powder @ 200gms/sqm over deposited sludge upto 1 m from the edge of excavated pit before earth spreading and removal of surplus earth to a distance n.exc. 50 meter and depositing where directed including cleaning with water all as specified and directed. Note : Quoted rates shall be inclusive for excavating of pit and cost of bleaching powder.

Material and labour for taking out of deposited sludge mechanically using sewage pump and water from manhole rectangular/ square or circular in plan n.exc 0.80m & in any depth and removing night soil / sludge to a distance n.exc. 50m depositing in freshly excavated trenches / pit / bins and covering the deposited sludge with excavated earth including spreading of bleaching powder @ 200gms/sqm over deposited sludge upto 1 m from the edge of excavated pit before earth spreading and removal of surplus earth to a distance n.exc. 50 meter and depositing where directed including cleaning with water all as specified and directed. Note : Quoted rates shall be inclusive for excavating of pit and cost of bleaching powder.

Material and labour for loose filling with broken brick bats (Jhama brick) of gauge 80mm to 150mm in filter bed of soakage well, soakage pit complete all as specified and directed.

Taking out old broken brick bats from filter beds and soak wells and cleaning the base of filter bed with water and removing all unserviceable brick bats from site complete all as specified and directed.

Demolition of cement concrete (unreinforced) in ground floors and paving n.exc. 15cm thick (below or above ground level) and removal of rubbish from the site complete all as specified and directed.

Material and labour for PCC (1:3:6) type C2 (using 40 mm graded stone aggregate ) as in foundation, filling and mass concrete complete all as specified and directed.

Material and labour for PCC (1:2:4), type B1, (using 20mm graded stone aggregate), as in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, coping, bed block for embedding hold fasts, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, water troughs and the like including weathering, slightly rounded or chamfered angles and throating including necessary formwork complete all as specified and directed

Material and labour for 50mm thick PCC (1:3:6) type C-1 (using 20mm graded stone aggregate) as in floor finishes including finishing the concrete surface even and smooth without using extra cement complete all as specified and directed.