80924 Special repairs to retaining wall behind lab complex at NSRY Port Blair

Amount

Demolition of cement concrete un-reinforced in any position and paving not otherwise specifically provided for complete all as specified and as directed by Engineer-in-charge.

Demolition of reinforced cement concrete of any description & in any position not otherwise specifically provided for (reinforcement cut as required to facilitate demolition) complete all as specified and as directed Engineer-in-charge.

Demolition of Precast cement concrete block walling built in CM or Cement lime Mortar complete all as specified and as directed.

Removing building material (concrete debris) to a distance upto 5 Km including of loading, unloading and stacking at the designation complete all as specified and as directed.

M&L for excavation over areas n.exc.1.5 m depth and getting out in hard/dense soil complete all as specified and as directed.

Excavating in trenches n.exc 1.5m wide and n.exc 1.5m depth for foundation etc or wells cess pits manholes n.exc 10 Sqm on plan and getting out in Hard and dense soil

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

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

M&L for cement concrete Type B-1, 1:2:4 (using 20 mm graded stone aggregate) for cills, plinth course, parapets,water throughs, coping, including weathering, slightly rounded or chamfered angles and throating and including necessary form work complete all as specified.

M & L for design mix renforced cement concrete M-30 ( Using 20 mm graded stone aggregate) as in foundation incl raft footing, plinth beam, cantilevers, bressummers etc complete all as specified and as directed.

M & L for design mix renforced cement concrete M-30 ( Using 20 mm graded stone aggregate) as in wall, retaining walls and like, any thickness, above top of footing including attached pilasters and buttresses complete all as specified and as directed.

M & L for form work to sides for rough finished surface of concrete foundations, footings, base of column, raft and raft beams , sides and soffits of foundation and plinth beams and similars work verticle or to batter complete all as specified and as directed.

M & L for form work to face of walls, retaining wall, abutments, parapet and staircase railing etc for rough finished surface of concrete, verticle or to batter complete all as specified and as directed.

M&L for CRS bars 10 mm dia and over cut to length, bent to shape required including cranking and binding with mild steel wire (annealed) not less than 0.90 mm dia complete all as specified and as directed.

M&L for PVC (SWR) pipe 110mm dia as in weep holes of retaining wall complete all as specified and as directed.

M&L Boulder filling dry, handpaked tightly in retaining wall complete all as specified and as directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc 25 cm in hard/ dense soil complete all as specified and as directed.

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

M&L for moorum / red bajiri / approved earth filling in floors or pavings, lad in layers n exc. 15 cm thick, spread, levelled and rammed including watering complete all as specified and as directed.

M&L for preparation on newly plastered wall surface and applying two coats of cement base paint over a coat of primer complete all as specified and as directed.