tender for special repair of hard standing with retaining wall at certain units under age (i) bhalra; 1 demolition of (un-reinforced) cement concrete in ground floors and paving not exceeding 15cm thickness (below or above gl) complete all as specified. 2 m&l for broken stone or boulders of gauge not exceeding 63mm, deposited, spread and levelled in layers not exceeding 15cm thick, watered and rammed to a true surface, etc complete all as specified. 3 m&l for 100mm thick pcc (1:3:6) type c-2 using 40mm graded stone aggregate as in sub base, floorings, pavings and similar work complete all as specified and directed. 4 m&l for fine dry river sand filling under floors, watering, levelling and consolidating complete all as specified and directed. 5 m&l for machine pressed precast concrete interlocking paverblock any shape and size conforming to is 15658-2006 of 80mm thickness m-40 grade with grey cement and pigment complete all as specified and directed. 6 demolition of stone boulder masonry, built in cement mortar including all quoins, arches, pillars etc but excluding ashlar facings, dressed stone work and precast concrete articles complete all as specified. 7 m&l for plain cement concrete type d-2, 1:4:8 (using 40mm graded crushed stone aggregate) as in foundation filling and mass concrete, complete all as specified and directed. 8 walling of random rubble stone masonry, well bonded, bedded and solidly hearted built in cement mortar 1:6, brought up to courses, complete all as specified and directed. 9 pre-cast cement concrete, 1:3:6 type c-1 (using 20mm graded crushed stone aggregates) as in bond stone set in cement mortar 1:6 and finishing exposed surfaces including necessary form work, complete all as specified and directed. 10 raised pointing to random or polygonal rubble, uncoursed or brought upto courses in cement mortar 1:4, complete all as specified and directed. 11 m&l plain cement concrete 1:2:4 type b-1 (using 20mm graded stone aggregate) as in cills, lintels upt 1.5 metre clear span, steps, seismic and other similar band, plinth course, string courses, lacing courses, parapets and railing upto 60cm in height, copings, kneelers, apex stone, bed plates, kerbs etc and in similar works including weathering, slightly rounded or chamfered angles and throating including necessary from work complete all as specified and directed. 12 s&f pvc (swr) pipe 110mm bore single socketed in any length as in weep holes complete all as specified and directed.