REPAIR/MAINT OF PLINTHS (PQC) AT SILVER ARROW COMPLEX AT AF STN SIRSA UNDER GE (AF) SIRSA

Demolition of lime Concrete (unreinforced) in ground floors and pavings not exceeding 15 cm thickness (below or above ground level) complete all as specified and as directed by Engr-in-charge.

Material and labour for Reinforced Cement concrete(nominal mix) B0 1:2:4 12.5mm graded aggregate as in Foundations, including rafts, footings, foundation beams, plinth beams, bases for columns etc. basement slabs, under-reamed piles and mass concrete complete all as specified and as directed by Engr-in-charge.

Material and labour for Pavement quality concrete(PQC) of minimum 28 days field Flexural strength of 45Kg/ Sqcm or 4.5 Mpa, 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 aggregates of clean natural sand or crushed stone sand or combination of both using minimum 360 kg/cum of cement with non-circular virgin synthetic fibre of 12-18 mm length, specific gravity 1.34 to 1.39, UV stable, alkali resistant, with equivalent dia 15-40 micron, minimum melting temperature as 240°C and minimum tensile strength of 300 Mpa and at the rate as specified by the manufacturer. PQC laid, spread and compacted with slip-form paver of minimum 7.50 m width, including curing and tining by Texturing cum Curing Machine required surface texturing to be done as specified in clause 10.1.14 and table of IRC 15-2017 complete all as specified and directed by Engr-in-Charge.

Material and labour for Forming 25 mm width expansion joint in concrete slab for full depth of PQC. Early entry saw and subsequent cutting by using diamond bit cutter of appropriate size. straight and smooth edges. Join cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris. The join then filled with pre-molded 25 mm thick compressible polyethylene closed cell type filler board as specified thereafter application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant Placing of closed cell medium density, crossed linked polyethylene foam backup rod of 30 mm dia, over filler board and filled with polyurethane based sealant complying with BS5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor (MAF) of+/- 30% having minimum 10 year performance guarantee applying masked tape on the edges of joints and removing the masking tape after filling of sealant as per the method specified by the manufacture complete as specified and directed by Engr-in-Charge. Note: The rate quoted by bidder is deemed to be inclusive of sealant, filler board etc any other material required for the item.

Material and labour for TMT Bars 10mm dia and over, cut to length, bent to shape required including cranking, bending spirally for hooping for Columns, hooking Ends and binding with and including Mild Steel Wire (annealed) not less than 0.90 mm dia, complete all as specified and as directed by Engr-in-charge.

Material and labour for Formwork to fair finished surfases soffits of suspended slabs such as roof slabs, floor slabs, landings and sismilar work complete all as specified and as directed by Engr-in-charge.

Demolition Brick work built in Cement Mortar and in any Position including all Quoins, Arches and Pillars, etc., complete all as specified and as directed by Engr-in-charge.

Material and labour for Brick Work with Sub-Class ‘B’ Bricks (Old Size Bricks), Straight or Curved on Plan exc. 6.0 Metre mean Radius, built in Cement Mortar 1:6, complete all as specified and as directed by Engr-in-charge.

Material and labour for Rendering (External) 15mm thick in CM 1:4 on Brick Walls or on Concrete Surfaces, mixing WPC as per manufacturers instructions, Plastered Surfaces finished Fair and Even, complete all as specified and as directed by Engr-in-charge. Note:- WPC will be measured and paid under appropriate item.

Supply only Integral Water Proofing Compound, conforming to IS and/or as approved, complete all as specified and as directed by Engr-in-charge.