PROVISION OF RCC RETAINING WALL BEHIND SAILORS ACCN, DSC AND ARMY ACCN AT SHIBPUR

Amount

Excavating over areas, not exceeding 1.5 mtr deep and getting out in hard/ dense soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick with soils complete all as specified and as directed..

Removal of excavated material to a distance not exceeding 50 mtr and deposited where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed.

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

M&L for RCC M-30 design mix for foundations, including rafts, footings, foundation beams; plinth beams; bases for columns, etc.; basement slabs, under-reamed piles and mass concrete complete all as specified and as directed. Note: Form work and Reinforcement shall be measured and paid separately.

M&L for RCC M-30 design mix for 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.. Note:Form work and Reinforcement shall be measured and paid separately.

M&L for flat rough finished formwork 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 batter.

M&L for flat fair finished formwork to faces of walls, retaining walls, abutments, parapets and staircase railings and similar work including attached pillasters, buttresses, etc.; vertical or to batter.

M&L for flat rough finished formwork to faces of walls, retaining walls, abutments, parapets and staircase railings and similar work including attached pillasters, buttresses, etc.; vertical or to batter.

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

M&L for broken stone dry of gauge as directed as in weep holes, hand packed tightly complete all as specified and as direced.

S&F 110 mm bore PVC (SWR) pipes as in weep holes complete all as directed.

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

Forming embankments including raising (or lowering) earth, spreading in layers not exceeding 30 cm thick; watering, ramming/rolling and finishing to required size, shape, etc., not exceeding 1.5 mtr high from base complete all as specified and as directed..

Rough excavation not exceeding 1.5 mtr deep and getting out in any type of soil (i.e. soft/ loose soil or hard/ dense soil) complete all as specified and as directed.

Removal of excavated material to a distance exceeding 250 mtr but not exceeding 500 mtr and deposited where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed.

M&L PCC 1:2:4, type B2 (using 40 mm graded granite stone aggregate) as in surface channel and drains ccomplete all as specified and as directed.

Back filling of retaining walls using approved earth obtaining from excavation including spreading, levelling, watering and well ramming in layers not exceeding 25 cm as in hard/dense soil complete all as specified

Binod Hawlader

DAS AND SONS CONSTRUCTION