PROVN OF RETAINING WALL NEAR INCINERATOR ROOM AT MH RANIKHET UNDER PARA 35 OF DWP 2020 AT RANIKHET UNDER GE RANIKHET

Excavation over areas n exc 1.5 mtr deep and getting out in hard & dense type of soil complete all as specified and directed.

M &L PCC 1:4:8 type D-2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete etc complete all as specified and directed.

M&L for stone masonry walling of random rubble uncoursed, well bonded, bedded and solidly hearted built in CM 1:4

M & L for providing precast cement concrete bonders (for stone walling) type B1 (1:2:4) using 20 mm graded stone aggregate, set in cm 1:4 complete all as specified and directed.

M&L for providing band, string and plinth courses, blocking courses, plain pillasters, etc.in lime or sand stone straight work complete all as specified and directed

Hand packing (any thickness) at back of walls with broken stone or boulders and raising (or lowering) to the required level complete all as specified and directed.

S&F 110mm bore PVC(SWR) pipes single socketed for weep holes etc , in any length ,as in weep holes complete all as specified and directed.

Extra over stone walling for hammer dressing with maximum depression on face form straight edge held against the surface n.exc 40mm in lime or sand stone dressing to face stone and dressing of face beds and joints of random rubble walling complete all as specified and directed.

Raised pointing to random or polygonal rubble, uncoursed or brought upto courses in CM 1:3

M & L PCC 1:2:4 type B-1 using 20 mm graded stone aggregate as in coping including weathering, throating and necessary form work complete all as specified and directed.