REPAIRS TO SEWAGE LINES, MANHOLES, DRAINS, PATH AND HARD STANDING, COVER SLABS, JALLI WALLS, COMPOUND WALL AND PARKING SHEDS AT OLD AND NEW NSB AREA UNDER AGE BR-II OF GE (NB) VISAKHAPATNAM

Excavation in trenches, not exceeding 1.5 M wide and not exceeding 1.5 M depth for foundation, trenches for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10sq m on plan and n exc 1.5m in depth and getting out in soft/loose soil complete all as specified and directed.

Excavating in trenches not exc. 1.5 metre wide and exc. 1.5 metre & not exc. 3 metre depth (beyond the first 1.5 metre) for foundation of poles etc and getting out in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm as in soft/loose soil complete all as specified and directed.

Removing excavated materials exc 1.5 Km but n. exc 5.00 Km and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and directed.

Demolition and breaking 150mm bore drain pipes (SGSW/AC/RCC) set in cement mortar including cement concrete bedding and removal of debris/rubbles etc to a distance outside MD land complete all as specified and directed. (Note: Necessary axcavation and earth work shall be measured and paid seperately)

Demolition and breaking 200mm bore drain pipes (SGSW/AC/RCC) set in cement mortar including cement concrete bedding and removal of debris/rubbles etc to a distance outside MD land complete all as specified and directed. (Note: Necessary axcavation and earth work shall be measured and paid seperately)

S & F 150 mm dia, DWC HDPE pipe, stiffness class SN8, with non smooth external annular corrugated and smooth internal surface (Double wall) for non pressure sewage & drainage application, grade conforming to IS-16098 (Part-II: 2013), in any length, with rubber ring joints, laid in trenches or in floors, etc complete all as specified and directed.

S & F 200 mm dia, DWC HDPE pipe, stiffness class SN8, with non smooth external annular corrugated and smooth internal surface (Double wall) for non pressure sewage & drainage application, grade conforming to IS-16098 (Part-II: 2013), in any length, with rubber ring joints, laid in trenches or in floors, etc complete all as specified and directed.

M & L for Plain cement concrete 1:3:6, type C-2 (using 40 mm graded stone aggragate) as in concrete bed to drain pipes including packing under and haunching against the sides of pipes after they are laid and tested for 150 mm bore drain pipes complete all as specified and directed .

M & L for Plain cement concrete 1:3:6, type C-2 (using 40 mm graded stone aggragate) as in concrete bed to drain pipes including packing under and haunching against the sides of pipes after they are laid and tested for 200 mm bore drain pipes complete all as specified and directed