PROVN OF RETAINING WALL BEHIND BLDG NO P-112, P-113 AND P-114 OF 232 WKSP COY EME AT CHAUBATTIA UNDER PARA 35 OF DWP 2020 IN FY 2026-27 UNDER GE RANIKHET

Excavating over areas, n exc 1.5 m deep and getting out in hard/dense soil

-ditto- as per item No 2 but depth exceeding 1.5 mtr and n.exc. 3.00 mtr -ditto-

M & L for PCC 1:3:6 type C2 (using 40mm graded stone aggregate) as in foundation complete all as directed by Engr-in-charge.

M&L Precast cement concrete 1:3:6 type C1(using 20 mm graded stone agg) as in block masonry with solid blocks exc 10 cm in width and set in cement mortar 1:6 complete all as specified and directed.

Hand packing of broken stone ( any thickness) at back of the retaining wall etc and raising and lowering to required level complete all as specified and directed.

Returning filling in including spreading leveling watering and well ramming in layers n.exc 25cm thick complete all as specified & directed by Engr-in-charge.

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point

S&F PVC (SWR) pipes 75 mm dia single socketed, in any length with rubber ring joints, fixed on walls or floors complete all as specified and as directed

M&L for raised pointing to block in course or ashlar masonry or concrete block walling in Cement mortar1:4 as specified by Engr-in-Charge and as directed

M & L for providing cement concrete Type C1 (1:3:6) 20 mm graded 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, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, filling hollow of frame with plain cement concrete as directed