GENERAL-RM 2025-26-RC1-Cluster1/One year RC/Chadayamangalam/KLM-One year running contract including pre monsoon works and routine inspection to Pattanimukku Vayyanam road 1/950 to 3/900 and Kattadimoode Akkonam Edathara Murukkumon road 0/000 to 6/000 under roads section Chadayamangalam in Kollam District. Total length 7.95km.-General Civil Work -- 1 Appendix-A-Premonsson Works 2 OD60743/2025-2026:Engaging Man Mazdoor for cleaning chocked culvert,cleaning vegetation,removing the R.C.C Slab and cleaning drain etc. 3 OD60745/2025-2026:Engaging JCB for removal of watage,eviction purpose etc. 4 OD60747/2025-2026:Tipper for removal of all debris and excavated waste materials away from site 5 OD60744/2025-2026:Hire charges of concrete cutting machine including diamond core cutting blade and all accessories etc for cutting and removing concrete structures,unauthorised constructions etc as per direction of departmental officers at site 6 2.2:Clearing grass and removal of rubbish up to a distance of 50 metres outside the periphery of the area 7 OD60746/2025-2026:Filling up potholes with bituminous ready mix compound (25kg/bag) and compacted by ramming to get a compact surface including cost of materials, laying charges, transportation to site etc complete 8 3.24.A:Construction of unlined surface drains of average cross sectional area 0.40 sqm in soil by mechanical Means to specified lines, grades, levels and dimensions to the requirement of clause 301 and 309. Excavated material to be used in embankment within a lead of 50 metres (average lead 25 metres) 9 2.1.1:Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression/pit. Girth from 300 mm to 600 mm 10 2.1.2:Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression/pit.Girth from 600 mm to 900 mm 11 2.1.3:Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression/pit.Girth from 900 mm to 1800 mm 12 Appendix-B-Proactive Preventive Maintenance 13 55.4:Supplying and stacking 36mm size hard broken stone in standard heaps for measurement. 14 55.2:Supplying and stacking 12mm hard blue granite broken stone in standard heaps for measurement(IRC 3.2.1.a) 15 55.8.a:Filling up pot holes (cut and formed to regular shapes and all loose and defective materials removed) after supplying a prime coat of hot bitumen using 36mm departmental broken stone and compacting with power roller to get a compact surface. 16 55.9.a:Filling up pot holes (cut and formed to regular shapes and all loose and defective materials removed) after supplying a prime coat of hot bitumen using 12mm departmental broken stone and compacting with power roller to get a compact surface. 17 55.5.a:Levelling undulation with precoated chips with 1% of paving bitumen (vg 30) by weight of chips in a suitable mixer duly heated to 160 degree temperature spreading, levelling and rolling to required line and level for thickness up to 20 mm. 18 4.1.A.1:Construction of granular sub-base by providing graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with a motor grader on the prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 Grading-I - Plant Mix Method 19 4.12:Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, 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. 20 5.1.a:Providing and applying primer coat with bitumen emulsion ( SS) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 - 1.0 kg/sqm using mechanical means. 21 5.2.a:Providing and applying tack coat with bitumen emulsion( RS) using emulsion pressure distributor at the rate of 0.20 - 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom. 22 OD60740/2025-2026:Mix seal surfacing,providing,laying and rolling of close graded premix surfacing materialof 20mm thickness composed of 11.2mm to 0.9mm Type -A aggregate usinh penetration grade bitumen to required line gradea and level to serve as wearing course on previously prepared base,including mixing in a suitable plant,laying and rolling with athree wheel 8-10 KN static roller and finishing to required level and grades as per Technical specification clause 509 of MORD (usage of bitumen 22kg/10m2 By mechanical means 23 8.4.2:Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign with 7years warranty manufactured as per IRC :67 made of Type IV micro prismatic grade sheeting vide clause 801.3.3 fixed over aluminium sheeting, 2 mm thick/ aluminium composit material sheeting 4 mm thick with suitable back supporting frame of MS angle 25x25x3 and supported on GI pipe pole 50mm NB confirming to IS 1239 firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete min size 45 cm x 45 cm x 60 cm, 60 cm below ground level including painting all exposed surface with 2 coats of epoxy painting over epoxy primer and as per approved drawing and clause 801 including lettering symbols etc. 60 cm equilateral triangle 24 12.4:Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days. 25 12.40:Supply, Fitting and Placing un- coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications 26 12.8.1.C:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical SpecificationsRCC Grade M20 - Using Concrete Mixer - (Without formwork) 27 12.8.A.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications.PCC Grade M15 28 OD60738/2025-2026:Random rubble masonry coursed/uncoursed in cm 1:6 including all cost, conveyance etc complete as per approved drawing and direction of departmental officers in charge 29 OD60739/2025-2026:Dry rubble masonry for foundation and super structure of retaining wall including all cost as per drawingand design etc complete. 30 8.13:Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads on Bituminous Surface @ 250 gms per sqm area, the thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35. The finished surface to be level, uniform, and free from streaks and holes. 31 8.15:Supplying and installation of delineator (Roadway indicators) posts 80- 100cm high above ground level, pained black, and white in 15 cm wide strips, fitted with min. 80 x 100 mm rectangular or 75 mm dia circular retro reflectorized panels at the top with minimum visibility of 300m with provisions to prevent edge lifting and vandalisam, and conforming to clause 806 , IRC-79 and the drawings including fixing to ground (The deleniator shall be of approved type as per specification) 32 Appendix-C-Routine Inspection 33 OD60742/2025-2026:Engaging Labour with passenger car not less than 1000CC for conducting and reporting routine inspection for 20km for the entire length of project road at a frequency of 7 days through out the agreement period of running contract as per the direction of departmental officer
