SPECIAL REPAIR TO ROAD CUM STONE RETAINING WALL NEAR KALESHWAR MANDIR Y JUNCTION TO CANTONMENT BOARD SCHOOL UNDER AGE (I) LANSDOWNE

Amount

Demolition of PCC in ground floor and pavings not exc 15 cm thickness below or above ground level complete all as specified and directed.

M&L for Cement concrete work in road /Path/ Hard Standing having minimum 28 days field flexural strength of 40kg/ sqcm , thickness of concrete 25cm or less, aggregate gradation as per table 3 of IRC 15-2017, coarse aggregate of clean, hard strong, dense, non-porous and durable pieces of crushed stone or gravel, fine aggregate of clean natural sand or crushed stone sand or combination of both using minimum cement content of 400 kg/cum complete all as specified and directed.Using Cement OPC 43 Grade only.Note :- (i) The design mix shall be got done from approved lab and got approved from GE/AGE (I) before commencement of work. (ii) In the event of variation in the design mix in the minimum cement content will be adjusted through supply only rate at market rate or procurment rate whichever is more for cement. However no plus adjustment shall be applicable, if excess quantity of cement content is used/ approved in the execution of work under this items. (iii) Required surface texturing to be done as specified in clause 10.1.14 and table 9 of IRC: 15-2017.

M&L for spike rolling to surface or making impressions of expanded metal, whilst the concrete is green complete all as specified and directed.

M&L for forming contraction (Dummy) joints 50mm deep x 10mm wide, filled with sealing compound grade 'A' complete all as specified and directed.

M&L forming expansion joints 12 mm wide and thickness of concrete slab 150mm, filled with pre-formed bituminous filler and top 30mm primed and sealed with sealing with sealing compound grade 'A' complete all as specified and directed.

Removing excavated material exc 250m but n.exc 500 m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and directed.

Demolition of brick work or stone/ boulder masonry, built in cement mortar or cement lime mortar including all quoins,arches, pillars,etc. but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and directed.

M&L for walling of random rubble masonary, well bonded, bedded and solidly hearted, brought upto courses, built in cement mortar (1:6) complete all as specified and directed. Note :- Only quantity of PCC bond stone to be deducted from quantity of random rubble masonary.

Description same all as item No. 8 above but except stone complete all as specified and directed. Note :- Old retreived serviceable stone under demolition item shall be used.

M&L for PCC (1:2:4) type B-1, using 20mm graded stone aggregates, as in kerb/ benching/ coping, bed plates, for fixing of hold fast, water troughs and the like including weathering, slightly rounded or chamfered angles and throating including necessary formwork complete all as specified and directed.

Extra over stone walling for hammer dressing with maximum depression on face from straight edge held against the dressed surfacae not exceeding 20mm to face stone for Lime or sand stone and dressing of face beds and joints, as specified of random rubble walling, uncoursed or brought upto course complete all as specified and directed.

M&L for raised pointing in cement mortar (1:4) to random rubble masonary uncoursed or brought upto course complete all as specified and directed.

M&L for 15mm thick plastering on fair faces of stone wall in CM (1:6) surface finished even and smooth without using extra cement complete all as specified and directed.

S&F 75 mm bore PVC (SWR) pipes single socketed in any length (6Kg/Sqcm pressure rating) and fixed in retainnig wall as spout (for weep holes) complete all as specified and as directed.

M&L for Precast PCC (1:3:6) type C-1, using 20mm graded crushed stone aggregate as in bond stones in lieu of stone bond stones, set in cement mortar (1:6), complete all as specified and directed.

IRFANAHMAD CONTRACTOR (BID ID -3467949)