PROVISION OF RCC RETAINING WALL AND REPAIRS OF EXISTING RCC APPROACH ROAD FOR MULTI LEVEL CAR PARKING AT COAST GUARD ENCLAVE MALKAPURAM VISAKHAPATNAM UNDER GE(I)(CG) VIZAG

Earth work in excavation by mechanical means (Hydraulic excavator)means over areas (exceeding 30cm in depth,1.5m in width as well as 10sqm on plan) including getting out and disposal of excavated earth lead upto 50m and lift upto1.5m, complete all as specified and as directed.

Earthwork in embankment & backfilling and returning, filling, and packing approved non-expansive earth materials behind structural concrete retaining components and within road embankments. To be executed in uniform layers not exceeding 200mm thick, each layer watered, properly structural-rammed, and mechanically rolled using heavy vibratory systems to achieve the mandatory compaction density complete all as specified and directed.

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

M&L for Reinforcement using High Strength Corrosion Resistant Deformed TMT Bars of Grade Fe–500D of 10mm dia and over, cut to length, bent to shape required including cranking, bending, spirally for hooping, hooking ends and binding with annealed mild steel wire not less than 0.9mm dia or securing with clips or welded complete all as specified.

Use & waste for flat formwork to sides of concrete foundations, footings, bases of columns raft and raft beams, sides and soffits if any of foundations and plinth beams and similar work, etc, rough finished surfaces of concrete etc all as specified and directed

M&L for Rinforced cement concrete M-30 (with 20mm graded crushed stone aggregate) design mix concrete for Foundations, including rafts, footings, foundation beams; plinth beams; bases for columns, etc.; basement slabs,under-reamed piles and mass concrete all as specified and directed.

Use & waste for flat formwork to faces of walls, retaining walls, abutments, parapets and staircase railings and similar work including attached pillasters, buttresses etc, vertical or batter, flat surface, rough finished surfaces of concrete etc complete all as specified and directed

M&L for Rinforced cement concrete M-30 Design mix (using 20mm graded stone aggregate)as in Walls, retaining walls,basement walls,ballast walls and the like;any thickness; above top of footings; including attached pilasters and buttresses all as specified and as directed

M&L for preparation new wall surfaces and applying two coats of cement base paint paint over new surface of wall exc 10 cm in width or girth not otherwise described over one coat of alkai resistant primer complete all as specified and as directed.

M& L for broken stone or boulders Hand packing (any thickness) at back of walls over arches etc, and raising (or lowering) to the required level Providing and packing dry stone rubble filter media using hard rock boulder fractions behind structural wall stems around internal weep-hole inlets to facilitate optimal drainage complete all as specified and directed.