REPAIR CLEANING TO SEWAGE LINE AND DRAINAGE FOR BDE KLP INCLUDING OTHER UNITS OF SILIGURI ZONE UNDER AGE BR I OF GE BENGDUBI

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft/loose soil complete all as specified and directed.

Excavating in trenches exc1.5m but not exc 3.0m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n.exc 10sqm on plan and n.exc 1.5m in depth 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 complete all as specified and directed.

Excavating in post holes( or similar holes) each n exc 0.50 cum , getting out,returning filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm in soft/ loose soil complete all as specified and directed.

Removing excavated material (soil) n exc 50m and depositing where directed at a level n exc 1.5m above the starting point complete all as specified and directed.

M&L for cement concrete 1:4:8 type D2,using 40mm graded stone aggregate as in foundations filling and mass concrete complete all as specified and directed.

M&L for PCC 1:3:6 type C2, using 40mm graded stone aggregate, as in foundation filling & mass concrete complete all as specified and directed.

M&L for PCC type C1,1:3:6 using 20mm graded crushed stone agg,in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs not provided for water troughs and the like including weathering, slightly rounded or chamfered angles and throating, complete all as specified and directed.

M&L for Providing, cement concrete 1:2:4 type-B1 in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands,plinth courses, string courses,lacing courses, parapets and railings upto 60 cm in height,copings, kneelers, apex stones,bed plates, kerbs not provided for in Item 04028, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed complete all as specified and directed.

M&L for Providing precast ce- ment concrete type C1, 1:3:6 using 20mm graded stone aggregate in window or door cills, lintels,bressumers, steps,quoin blocks (foruse with ma sonry), string courses, copings.kneelers, apex stones, pier caps,columns, posts,boundary pillars,bed plates, pintle blocks, ancho-rage blocks, bonders (for stone walling).corbels, brackets,etc. (of any section indicated), with plain fair faces,including cham fers, weatherings,throat- ing etc. and setting in cement mortar 1:6 complete with joints to match complete all as specified and directed.