Renovation to the Retaining wall Boundary wall in Random Rubble Masonry approx 30 mtr long in the premises of Divisional Office Khellani

Earth excavation for foundation in all kinds of soil including dressing of bed and disposal of excavated material up to 50m lead complete Excav width=(1+0.30+0.30)=1.60m Depth=0.6m, Length=30.0m 1.60×0.6×30.0

PCC 1:4:8 with 40mm HBG aggregate for levelling course below foundation incl. mixing, laying, compacting and curing complete Width=1.00m, t=0.15m, L=30.0m 1.00×0.15×30.0

Random Rubble Masonry (RRM) in CM 1:6 for retaining wall body incl. all labour, materials, scaffolding, curing and finishing complete Trapezoidal section Area=0.5×(0.46+1.05)×2.14=1.616m² 1.616×30.0

Flush pointing in CM 1:3 on exposed face of RRM wall incl. raking of joints, cleaning and curing complete Exposed face ht=1.52m, L=30.0m 1.52×30.0

PCC 1:4:8 toe block 150mm thick × 150mm wide at front of foundation base complete 0.15m×0.15m×30.0m x 2 sides (depth × width × length) 0.15×0.15×30.0x both sides

100mm dia PVC pipe (IS 4985) weep holes with dry rubble filter pack 300×300×150mm, in two staggered rows @ 1.5m c/c complete 2 staggered rows @ 1.5m c/c 30.0/1.5=20 per row × 2 rows 20×2

Dressed stone coping 300mm wide × 150mm thick in CM 1:3 with outward drainage slope, flush pointing and curing complete Full wall length

Backfilling with approved granular material behind retaining wall in layers ≤150mm, compacted by hand / plate compactor complete ≈ Triangular retained zone =0.5×0.45m×1.83m×30.0m 0.5×0.45×1.83×30

Dismantling existing chain link fencing (GI pipe posts, top/bottom rails and chain link mesh) carefully without damage, numbering, stacking and storing at site for reuse — All labour, tools, binding wire cutting, post extraction from ground/coping and making good complete

Reinstalling existing chain link fencing (salvaged posts, rails and mesh) on top of completed RRM retaining wall — posts set in drilled holes in stone coping and grouted with CC 1:2:4, rails fixed with GI clamps, mesh stretched taut and tied with GI binding wire @ 300mm c/c, all labour, materials for grouting, clamps and binding wire complete