Tender For Ordinary Repairs To Roads Under Jurisdiction Of Pwd Sub Dn Bar Block Raipur (Rate Contract 2024-25). - Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlierand disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per MoRTH Specification Clause 201.In area of thorny jungle 2 Excavation for roadwork in soil with hydraulic excavator of0.9 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 with a lift upto 1.5 m and lead upto 1000 m as per MoRTH Specification Clause 301.3 3 Restorationofraincutswithsoil,morrum,graveloramixtrueof these including all leads and lifts and cost of arrangement of land, cleaningtheloosesoil,benchingfor300mmwidth,layingfresh material in layers not exceeding 250mm and compacting with plate compactor or power rammer to restore the original alignment levelsand slopes complete as per MoRTH specification clause 3002.Mechanical Means 4 Construction of granular sub-base by providing well graded material, spreading in uniform layers with Tractor Mount Grader on prepared surface, mixing by mix in place method with rotavatorat OMC, and compacting with smoothwheelroller to achieve thedesired density, complete as per MoRTH Specification Clause 401. For Grading IIIMaterial 5 Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing thematerial with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, layingin uniform layers in sub-base/base course on a well prepared sub-base and compacting with smoothwheel roller of 80 to 100kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400-12 & 400-13 and MoRTH Specification Clause 406. By Mechanical Means with all lead 6 Repair to pot holes and removal of loose material, trimming of sides, cleaning of surface by providing tack coat, 20 mm thick pre-mix carpet and seal coat type B as per MoRTH specificationClause 3004.2 7 Repair to pot holes by removal of failed material, trimming the sides to vertical and levelling the bottom, cleaning the same with compressed air or any appropriate method filled with 75mm B.M, applying bitumen emulsion prime coat at the bottom and bitumen emulsion tack coat on sides and on bottom as per MoRTH specifications Clauses 3004.2 8 Applying epoxy mortar over leached, honey combed and spalled concrete surface and exposed steel reinforcement complete as per MorTh Specification Clause 2804 9 Providing and fixing PVC Bump Speed Breakers size 350 mm x 250 mm x 50 mm fitted with key hooks complete with labour material and traffic diversion arrangements. 10 Providing and Laying of Interlocking M-30 grade Concrete Block Pavements having thickness 80 mm as per drawings and as per IS 15658:2006.and all materials shall conform to MoRTH Specification Clause 602 with M-30 Grade 0.30 Mtr x 0.30 Mtr x 0.15 Mtr Edge Blocks.Category C : Not dentated on any of its faces like Hexagonal, Rectangular, Square shape as per IRC:SP:63-2004 11 Construction ofun-reinforced, plain cement concrete pavement, thickness as per design, over a prepared sub base, with 43 grade cement or any other type as per Clause 602.2.2 M30 (Grade), coarse and fine aggregates conforming to IS:383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a concrete mixer of not less than 0.5 cum capacity and appropriate weigh batcher using approved mix design, laid in approved fixed Side Formwork (steel channel, laying and fixing of 125 micron thick polythene film, wedges, steel plates including levelling the formwork as per drawing), spreading the concrete with shovels, rakes, compacted using needle, screed and plate vibrators and finished in continuous operation including provision of contraction and expansion, construction joints, applying debonding strips, primer, sealant near approaches to bridge/culvert and construction joints, admixtures as approved, curing of concrete slabs for 14-days, using water finishing to lines and grade as per drawingand MoRTH Specification Clause 602 including vaccum dewatering process with all required equipments (Dowel Bars will be paid seprately) 12 Providing and laying pitching on slopes laid over prepared filter media as per drawing and MoRTH specifications Clause 2504.2.1 Stone/Boulder 13 Supply of graded broken hard stone aggregates free from Katcha stuff, deleterious and oreganic matter, as per IRC/MoRTH Specifications, including stacking as per the Standard Specifications with an average lead of 20 Kms.53mm to 22.4mm Crusher broken 14 Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granularmaterial in single row includingfixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 2905. 300 mm dia 15 White washing two coats on parapet walls and tree trunks including preparation of surface by cleaning scraping etc. as per MoRTH specifications Clause 800 16 Maintenance of Causeway by way of minor Surface repairs, replacing Guide Posts, repair offlood gauges, removal of debris, providing boulders and protection work and painting as per MoRTH specification Clause 201 & 2800 17 Maintenance of Hume pipe Culvert by way ofClearing, Cleaning, Erosion repair, repairs to cracks, parapet wall and protection work as per drawing and MoRTH specification Clause 201 & 2800 18 Earthwork in excavation for structures as per drawing and MoRTH specifications Clause 304.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitablematerial. Ordinary Soil upto 3m Depth. 19 Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and MoRTH specifications Clause 1702, 1703, 2102 & 2104. P.C.C grade M 10 Nominal mix 1:3:6. 20 Stone masonry work in cement mortar in foundation complete as per drawing and MoRTH specifications Clauses 1402, 1405, 2102 & 2104. Random rubble masonry In 1:3 cement mortar 21 Providing PCC M-20 architectural coping on the top of wing wall, return wall etc. complete as per drawing and MoRTH specification Clauses 1313, 1411 and 2206.6, 50mm thick 22 Back filling behind abutment, wing wall and return wall in 150mm layers, with mechanical compaction, complete with all lead and lift as per drawing and technical specification as per MoRTH Specification : Clause : 304 Sandy material 23 Plastering with cement mortar (1:4), 20 mm thick on Stone work. 24 Marking Centre Line and stop lines etc. on road as per IRC pattern with thermoplastic paint of approved quality and make with 8% glass beads laid on the road surface at temperature 160 C with a special applicator machine complete with a special applicator machine complete with labour material and traffic diversion arrangements 25 Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 801.3.1, fixed over aluminium sheeting, 1.5 mm thick supported on GI pipe 50 mm dia firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and MoRTH Specification Clause 801 600 mm equilateral triangle 26 Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 801.3.1, fixed over aluminium sheeting, 1.5 mm thick supported on GI pipe 50 mm dia firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and MoRTH Specification Clause 801 600 mm x 450 mm rectangular
