REPAIRS / CLEANING OF SEWAGE LINES MANHOLES PERTAINING TO THE AREAS OF AGE B/R (C) OF GE(SOUTH) BANGALORE.

Amount

Excavation in trenches n. exc 1.50 m wide and n.exc 1.5 m deep and taking out in fdn in soft/ loose soil complete all as specified and as directed.

Taking down cement plaster on brick or stone walls including racking out joints, hacking for key scrubing down with water etc.and removing from the debris the out side MD land complete all as specified and as directed.

Demolition of Brick Work/concrete/Stone boulder masonry built in cement mortar as in drain/compound wall etc of any description all as specified and as directed.

Demolition concrete in ground floors and pavings n exc 15cm thickness (below or above ground level) including removing the debris out side MD land all as specified and as directed.

Demolition /breaking of drain pipes of any description set in CM 100 mm and disposing all as specified and as directed.

Demolition /breaking of drain pipes of any description set in CM 150 mm and disposing all as specified and as directed.

Demolition /breaking of drain pipes of any description set in CM 200 mm and disposing all as specified and as directed.

Demolition of Reinforced precast cement concrete manhole cover slab of any description and in any position including and segregation of reinforcement etc including removing the debris out side MD land all as specified and as directed.

M&L PCC 1:4:8 type D2 using 40mm graded stone aggregate as in foundation concrete all as specified and as directed.

M&L cement concrete 1:2:4 type B 2 (using 20mm graded coarse aggregate) as surface channels and drains complete all as specified and directed.

M&L for precast cement concrete 1:6 block masonry type C1, 1:3:6 (20 mm graded agg) with solid blocks, exc 10 cm in width and setting in cement mortar 1:6 complete all as specified and directed.

M&L for providing cement concrete type C1, 1:3:6 ( 20 mm graded agg)as in coping, bed plates for angle iron etc all as specified and as directed.

M&L for returning filling in including spreading levelling watering and well ramming in layers n.exc 25cm of hard/dense soil all as specified and as directed.

M&L for removal of excavated material n exc 250m and depositing where directed

M&L for rendering 15mm thick on fair face brick wall and concrete surfaces finished even and smooth without usingh extra cement CM 1:6 all as specified and as directed.

M&L for rendering 10 mm thick on fair face of brick surface finished even and smooth without using extra cement in cm 1:4 all as specified and as directed.

M&L salt glazed stoneware drain pipes laid in trenches 200mm dia and jointed all as specified and as directed.

M&L salt glazed stoneware drain pipes laid in trenches 150mm dia and jointed all as specified and as directed.

M&L salt glazed stoneware drain pipes laid in trenches 100mm dia and jointed all as specified and as directed.

M&L concrete ( 1 : 3 : 6) type C-2 bed to drain pipes including packing under and completely surrounding pipes with concrete after they are laid and tested against sides for 200 mm dia pipe all as specified and as directed.

M&L concrete ( 1 : 3 : 6) type C-2 bed to drain pipes including packing under and completely surrounding pipes with concrete after they are laid and tested against sides for 100 mm dia pipe all as specified and as directed.

M&L concrete ( 1 : 3 : 6) type C-2 bed to drain pipes including packing under and completely surrounding pipes with concrete after they are laid and tested against sides for 150 mm dia pipe all as specified and as directed.

M&L Pre cast RCC (1:2:4) type B1 for cover slab for man holes and set in cement mortar (1:6) all as specified and as directed.

M&L for mildsteel deformed ,TMT bars 6 to 8 mm cut to length bend to shape require including cranking hooping ends binding in & wine annealed not less than 0.9 mm dia or securing with clips all as specified and as directed.

Cleaning of the blocked sewage lines by rodding between Man holes in any depth, cleaning and removing muck/sludge /liquid mud (in foul position) from pipes including testing of pipes by filling with water complete for 100mm bore pipe all as specified and as directed.

All as per item No 25 here in before but 150mm bore pipe

All as per item No 25 here in before but 200 mm bore pipe

Cleaning of Septic tank including Soakge well 10 Users capacity by removing muds, Sludge, Liquid Mud in foul position including taking off cover slab and refixing the same any depth all as specified and as directed.

Cleaning of Man holes/chambers by removing muck/sludge/liquid mud etc ( in foul position) upto 1 Mtr depth including taking off manhole covers and refixing the same in position upto 1 Mtr depth of any size of Man holes all as specified and as directed.

All as per item No 29 here in before but depth exceeding 1 Mtr and not exceeding 2 Mtr depth ,

All as per item No 29 here in before but depth exceeding 2 Mtr depth

Taking out mud/soil etc from drains any depth including removal of drain covers of any description and re- fixing the covers in the same position and removal of the soil/mud to a distance exc 500m and not exc 1500mtr all as specified and as directed.

Cleaning/clearing of 150/200 mm bore sewer line under ground of any depth by removing any type of blockage including desilting, descaling and de-chocking from drain mechanically with combined high pressure water jeting cum suction (Vacuum) type machine mounted on LCV/HCV and having facilities of high pressure water jetting, high pressure vacuum and provn of hydraulic application through high pressure thermoplastic fibre based water jetting hose and through conical round shape nozzles pipe and flushing after cleaning/clearing of sewage line.The entire sludge water shall be disposed off out of Defence land complete all as specified and as directed.

Cleaning/clearing of each sewer line block in between MES sewage line and BWSSB sewage line under ground of any depth by removing any type of blockage including desilting, descaling and de-chocking from drain mechanically with combined high pressure water jeting cum suction (Vacuum) type machine mounted on LCV/HCV and having facilities of high pressure water jetting, high pressure vacuum and provn of hydraulic application through high pressure thermoplastic fibre based water jetting hose and through conical round shape nozzles pipe and flushing after cleaning/clearing of sewage line.The entire sludge water shall be disposed off out of Defence land complete all as specified and as directed.

S SUDHAKAR