PROVN OF RETAINING WALL AT C DIV AT DSSC WELLINGTON

M & L walling of random rubble uncoursed well bounded bedded and solidly hearted built in CM (1:4) including Bond stones complete all as specified and as directed. Note. Hammer dressing to face stones will be measured and paid separately.

S & F 110mm bore PVC (SWR) pipes, type 'B', single socketed, in any length with rubber ring joints, fixed to walls in weep holes complete all as specified and as directed.

Extra over stone walling for hammer dressing to face stones and dressing of face beds and joints as specified of random rubble walling, uncoursed or brought upto courses, hammer dressing with maximum depression on face from straight edge held against the dressed surface n.exc 40mm granite or trap stone complete all as specified and as directed.

M & L for providing 50 mm thick precast cement concrete (1:2:4), type B-1 ( using 20mm graded stone aggregate) slab flooring, bedded,and jointed in cement mortar 1:6 and pointed in cement mortar 1:3 complete with joints to match all as specified and as directed.

M & L for flush pointing in CM (1:4) to block incourse or ashlar masonry or concrete block walling complete all as specified and as directed.

M & L for PCC (1:2:4) type B-1 (using 20mm graded stone aggregate) in lintels upto 1.5m clear span cills steps, sesmic and othe similar bands plinth courses, string courses, lasing courses, parapets and railings upto 60m in height, copings, kneelers, apex stones, bed plates, kerbs not provided for in for in item 04028, water troughts and the like including weathering, slightly rounded or chamfered angles and throating all as specified and directed.

M&L for Pre-cast cement concrete Type C-1 Using 20 mm Graded stone aggregate pre-cast cement concrete block masonry with solid blocks, exc. 10cm in width and setting in mortar complete all as specified and directed.

M&Lfor Rendering 10mm thick on fair faces of brick work or concrete surfaces in CM 1:6 all as specified and directed.

Earth work in excavation by mechanical means (Hydraulic excavator) means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5m, all as specified and directed. in all kinds of soil.

M&L for Plain cement concrete (1:4:8) type D-2 using 40 mm graded stone aggregate as in foundations, filling and mass concrete.all as specified and directed.