Repairing Of Mar - 2222 With 25 Mm Thick Sdbc And Other Relevant Items In Aa - I, New Town, Kolkata Before Ensuing Puja Festival.- 1 Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m as per Clause 301 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (Mode of measurement: pre works and post works). 2 Compacting original ground supporting subgrade Loosening of the ground upto a level of 150 mm. below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per Clause 305.3.4 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). 3 Supplying, spreading and compacting Fine Yellow Sand to required thickness, in layers not exceeding 150 mm to proper gradient and camber, inundating each layer by water and packing and ramming layer by layer to achieve desired compaction, including lighting, guarding, barricading and making adequate earthen bundh where necessary, curing with water as per direction, mending cracks and depressions by ramming wherever necessary.Compacted thickness 500 mm. 4 Supplying, spreading and consolidating Stone Dust to a depth of 100 mm. and above at desired density and C.B.R. as per Specification with power roller to proper gradient and camber including watering as necessary, and lighting, guarding, barricading and making adequate earthen bundh where necessary to protect the edges and curing with water for 2 to 3 days, mending cracks and depressions by rolling where necessary including all incidental charges of roller, cost of fuel & lubricants complete as per specification. For compacted thickness 260 mm. 5 Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including screening of aggregates and granular materials, premixing the material with water at OMC in Wet Mix Plant, carriage of mixed material by tipper tosite, laying in uniform layers with Paver in Sub- base / Base course on well prepared surface and compacting with Vibratory Roller to achieve the desired density, including supply of all materials, machinery, fuel and lubricants, including incidental costs for lighting, guarding, barricading, making earthen bundh to protect the edges including cost of quality control complete as per Clause 406 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). 6 Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).(i) For WBM / WMM Surface:(with primer @ 0.70-1.0 kg/sqm) 7 Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 ofpecifications for Road & Bridge Works of MoRT&H (5th Revision). (i) On Bituminous Surface.(Using Bitumen Emulsion at the rate of 0.20 to0.30 kg per sqm.) 8 Providing and laying bituminous macadam with Hot Mix Plant using approved crushed aggregates of specified grading as per Table 500.4 premixed with bituminous binder, transported to site laid over a previously prepared surface at specified laying temperature with paver finisher to the required grade, level and alignment and rolled with suitable power roller for break down, inter-mediate and finished rolling as per specification to achieve the desired - compaction including cost and carriage of stone materials and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of operational staff, quality control complete as per Clause 504 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).For Grading II(19 mm nominal size, 50 mm thick.)(iii) Using Drum mix Type HMP of minimum capacity 40-60 TPH. 9 Providing & laying Semi-dense Bituminous Concrete (SDBC) as wearing coarse by Hot Mix Plant, using coarse aggregates, fine aggregates, filler materials and binder ofrequired specification and grading as per approved job mix formula, over thoroughly cleaned surface coated with tack coat, including screening, cleaning of aggregates, mixing the components as per approved Job Mix Formula with hot binder, carrying the mixture by tipper truck or any other approved suitable arrangements, laying the mixtureuniformly, maintaining the specified laying temperature, thorough rolling with power roller with necessary hand packing and pinning to give an uniform surface to achieve the desired density of at least 98% of that of Laboratory Marshall specimen, including the cost and carriage of aggregates, filler and binder, heating the binder, preheating the aggregates, and filler to the specified temperature, including the hire charges of Hot Mix Plant and other machineries, pay of operators, cost of fuel and lubricants and all other incidental charges complete.B. For Grading 2 (10 mm nominal size, 25 mm thick.)(iii) Using Drum mix Type HMP of minimumcapacity 40-60 TPH. [Rate is inclusive of cost of One layer of Tack Coat] 10 Providing and laying special type of Median kerb with M-25 Ready Mixed Concrete with size of 450 mm.(H) x 300 mm.(L) x 150 mm. (thick) including necessary earthwork and also bed will be finished with 50 mm. ordinary concrete (1:2:4) & filling joint with sand cement mortar (4:1) with 10 mm. thick and as per drawing all complete.(i)Foot-pathKerb. 11 Applying Exterior grade Acrylic primer of approved quality and brand on plastered or cencrete surface old or new surface to receive decorative textured (matt finish) or smooth finish acrylic exterior emulsion paint including scraping and preparing the surface throughly, complete as per manufacturers specification and as per direction of the EIC.In Ground Floor.(a) One Coat. 12 Protective and Decorative Acrylic exterior emulsion paint of approved quality, as per manufacturers specification and as per direction of Engineer-in-Charge to be applied over acrylic primer as required. The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer.In Ground floor (Two Coat).b) Premium 100% Acrylic Emulsion 13 G.S.T. @ 18% on Rs. 14951470.77 14 Cess @ 1% on Rs. 14951470.77NOTE : 1) RATE TO BE QUOTED UPTO TWO DIGITS AFTER DECIMAL POINT. QUOTED RATE MAY BE ROUNDED UP TO TWO DIGITS AFTER DECIMAL POINT IF ANY BIDDER QUOTES MORE THAN TWO DIGITS AFTER DECIMAL POINT WHILE PREPARING COMPARATIVE STATEMENT.
