URGENT PROTECTIVE MEASURES TO RETAINING WALL BETWEEN BUILDING NO. P-486 AND P-413 AT AERIAL BAY UNDER GE (S) DIGLIPUR (PARA 35 WORKS)

Amount

Excavation over areas, not exceeding 1.5m deep and getting out in any type of soil complete all as specified and as directed

Excavation over areas exceeding 1.5m and n.exc 3.0 m deep getting out in any type of soil complete all as specified and as directed

Demolition of reinforced cement concrete (reinforcement cut as required to facilitate demolition) for roofs, floors (other than ground floors), beams, staircases, and similar suspended work including removal of all demolished material form site complete all as specified and as directed

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

Formwork of Square, rectangular or polygonal to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter for rough finished surface complete all as specified and as directed

Formwork to faces of walls, retaining walls, abutments, parapets and staircase railings and similar work including attached pilasters, buttresses, etc.; vertical or to batter for rough finished surface complete all as specified and as directed.

Formwork to faces of walls, retaining walls, abutments, parapets and staircase railings and similar work including attached pilasters, buttresses, etc.; vertical or to batter for fair finished surface complete all as specified and as directed.

M & L for Reinforced Cement Concrete Grade M-30(design Mix ) (using 20mm graded stone aggregate) as in foundations including rafts, footings and mass concrete complete all as specified and as directed

M & L for Reinforced Cement Concrete Grade 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 complete all as specified and as directed

M&L for mild steel TMT bars 10 mm dia and over ,cut to length, bent to shape required, including cranking, bending spirally for columns hooking for columns hooking ends and binding with and including mild steel wire ( annealed ) not less than 0.9mm dia or securing with clips complete all as specified and as directed

M & L 110 mm dia bore low density polyethylene pipes (LDPE) of pressure rating 6Kg/Sqcm fixed as weep holes in retaining walls complete all as specified and as directed

M&L for Boulder filling of size 80 to 150 mm at back side of wall aroud weep holes complete all as specified and as directed

Returning filling in including spreading levelling watering and well ramming layers not exc 25cm complete all as specified and as directed

Removing excavated material exc 500 mtrs and n.exc 1000 m deposition where directed at level n. exc 1.5 above the starting point complete all as specified and as directed.

S&F of 4mm dia galvanised steel wire, 150x100mm mesh, made up into mattresses or cages, lapped, wired and laid in position, including closing after filling complete all as specified and as directed

M&L for hard core of broken stone or boulders of gauge n.exc.63mm, deposited, spread, levelled in layers n.exc.15cm thick, watered and rammed to a true surface complete all as specified and as directed

Material and labour for PCC M-20 (1:1½:3) (using 12.5 mm graded crushed stone aggregate) in shotcreting method over GI wire mesh fixed on prepared earth surface complete all as specified and as directed.

S&F 25mm diaTMT high strength deformed bars on scrap portion on land slide area insertion to a depth as ordered by Engr-in-Charge using soil nailing technique by mechanical means complete all as specified and as directed.

S&F for 8mm dia 200mm long galvanised iron J-hook bolts fixed in holes and secured with MS plate 10cm x 10cm, 4 mm thick to the GI steel wire mesh in position and grouting holes with cement mortar 1:2 including forming mortise holes suitable to the size of J-hook bolts complete all as specified and as directed.

M&L for Boulder pitching, laid dry, hand packed tightly is grouted with cement and sand mortar 1:6 complete all as specified and as directed

M&L for perforated 50 mm nominal bore galvanised iron pipe medium grade pipe ISI-1239 having perforation of exceeding 12mm dia and n.exc 25 mm @ 100 mm c/c in three rows duly fitted with (welded) mild steel conical shoe suitable for 50 mm pipe having wall thickness equal to thickness of pipe including drilling holes into hill shoe using rotary drilling technique complete all as specified and as directed.

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

M&L for rendering 15 mm thick in Cement mortar 1:4 on fair faces of brick/concrete surfaces finished even and smooth without using extra cement complete all as specified and as directed

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

M&L for mild steel Framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work con- forming to Fe.290.Gde-E-165 including taking down existing complete all as specified and as directed

M&L Preparation of new or previously untreated steel surfaces and applying two coats of synthetic enamel paint including one coat of red oxide primer complete all as specified and as directed

M&L for Plain cement concrete 1:2:4 type B1 (using 20mm graded stone aggregate) in Providing, cement concrete in roof kerbs or mud stops, rounded or chamfered on edges Complete all as specified and as directed

City Constructie Pvt Ltd (BID ID -3161939)

ASHOK BISWAS (BID ID -3162469)